/* roulang page: index */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --hero-height: calc(100vh - 60px);
            --section-padding-y: 80px;
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }

        .section--soft {
            background-color: var(--bg-page);
        }

        .section--white {
            background-color: var(--bg-card);
        }

        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }

        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }

        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }

        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }

        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }

        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        .btn--full {
            width: 100%;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(31, 42, 68, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            text-decoration: none;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .nav-brand:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-brand__logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background-color: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            border-radius: 10px;
            transition: color .2s ease, background-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.12);
        }

        .nav-search input {
            border: none;
            background: none;
            outline: none;
            font-size: 13px;
            color: var(--color-ink);
            width: 120px;
        }

        .nav-search input::placeholder {
            color: var(--color-muted);
            opacity: 0.7;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--line);
            background-color: #ffffff;
            transition: background-color .2s ease;
        }

        .nav-toggle:hover {
            background-color: var(--bg-page);
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: transform .2s ease, opacity .2s ease;
        }

        /* Hero */
        .hero {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: 64px;
            min-height: var(--hero-height);
            display: flex;
            align-items: center;
            background-color: #ffffff;
            border-bottom: 1px solid var(--line);
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero__content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero__badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero__title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--color-ink);
        }

        .hero__title .highlight {
            color: var(--color-primary);
        }

        .hero__subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-muted);
            max-width: 520px;
        }

        .hero__cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero__trust {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-top: 8px;
            padding-top: 16px;
            border-top: 1px solid var(--line);
        }

        .hero__trust-item {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero__trust-item strong {
            color: var(--color-ink);
            font-weight: 600;
        }

        .hero__visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }

        .hero__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31, 42, 68, 0.35) 0%, rgba(31, 42, 68, 0.7) 100%);
            pointer-events: none;
        }

        .hero__visual-info {
            position: relative;
            z-index: 1;
            color: #ffffff;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .hero__visual-info h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero__visual-info p {
            font-size: 13px;
            opacity: 0.9;
            line-height: 1.6;
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .metric-card__label {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .metric-card__value {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-card__change {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .metric-card__change--down {
            color: #D9534F;
        }

        .metric-card__trend {
            margin-top: 12px;
            height: 6px;
            border-radius: 3px;
            background-color: var(--line);
            overflow: hidden;
        }

        .metric-card__trend-bar {
            height: 100%;
            border-radius: 3px;
            background-color: var(--color-primary);
            transition: width .4s ease;
        }

        /* Services */
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .service-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease, transform .25s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card--wide {
            grid-column: span 2;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .service-card__icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
        }

        .service-card__icon--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        .service-card__icon--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-ink);
        }

        .service-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-muted);
            flex-grow: 1;
        }

        .service-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-card__tag {
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            background-color: var(--bg-page);
            color: var(--color-muted);
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease;
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .comparison-card--highlight {
            border-color: var(--color-primary);
            border-width: 2px;
        }

        .comparison-card__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--line);
        }

        .comparison-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
        }

        .comparison-card__badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--color-muted);
            padding: 8px 12px;
            border-radius: 10px;
            background-color: var(--bg-page);
        }

        .comparison-list li strong {
            color: var(--color-ink);
            font-weight: 600;
        }

        .comparison-list .win {
            color: var(--color-secondary);
            font-weight: 600;
        }

        .comparison-list .loss {
            color: #D9534F;
            font-weight: 600;
        }

        /* Brand Intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro__visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 300px;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .brand-intro__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 42, 68, 0.2) 0%, rgba(31, 42, 68, 0.5) 100%);
            pointer-events: none;
        }

        .brand-intro__content {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .brand-intro__content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-muted);
        }

        .brand-intro__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .brand-intro__tag {
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 500;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
        }

        .news-featured {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            transition: box-shadow .25s ease;
        }

        .news-featured:hover {
            box-shadow: var(--shadow-hover);
        }

        .news-featured__image {
            height: 220px;
            background-image: url('/assets/images/coverpic/cover-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .news-featured__image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31, 42, 68, 0.1) 0%, rgba(31, 42, 68, 0.55) 100%);
        }

        .news-featured__body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }

        .news-featured__date {
            font-size: 13px;
            color: var(--color-muted);
        }

        .news-featured__title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-ink);
        }

        .news-featured__summary {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-muted);
            flex-grow: 1;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list__item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-list__item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary-soft);
        }

        .news-list__meta {
            font-size: 12px;
            color: var(--color-muted);
        }

        .news-list__title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-ink);
        }

        .news-list__summary {
            font-size: 13px;
            line-height: 1.65;
            color: var(--color-muted);
        }

        .news-list__link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            align-self: flex-start;
            margin-top: 4px;
        }

        /* Deep Content */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 32px;
            align-items: start;
        }

        .deep-content__main {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }

        .deep-content__main h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .deep-content__main h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-ink);
            margin: 20px 0 10px;
        }

        .deep-content__main p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-muted);
            margin-bottom: 14px;
        }

        .deep-content__main blockquote {
            border-left: 4px solid var(--color-primary);
            padding: 12px 20px;
            background-color: var(--color-primary-soft);
            border-radius: 8px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-ink);
            margin: 16px 0;
        }

        .deep-content__main .cover-image {
            border-radius: 12px;
            overflow: hidden;
            margin: 16px 0;
            background-image: url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            height: 240px;
        }

        .deep-content__sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: sticky;
            top: 80px;
        }

        .deep-content__sidebar-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }

        .deep-content__sidebar-card h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .deep-content__sidebar-card p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--color-muted);
        }

        /* Collection */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .collection-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease, transform .25s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .collection-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .collection-card__count {
            font-size: 27px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .collection-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .collection-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--color-muted);
            flex-grow: 1;
        }

        .collection-card__link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            align-self: flex-start;
        }

        /* Opinion */
        .opinion-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .opinion-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease;
        }

        .opinion-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .opinion-card__quote {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            font-style: italic;
            margin-bottom: 12px;
        }

        .opinion-card__author {
            font-size: 13px;
            color: var(--color-muted);
            font-weight: 500;
        }

        /* Guide */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-step {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
        }

        .guide-step__number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .guide-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .guide-step p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--color-muted);
        }

        /* Calendar */
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 700px;
        }

        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 14px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: box-shadow .25s ease;
        }

        .calendar-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .calendar-item__date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            min-width: 80px;
            text-align: center;
            padding: 6px 10px;
            background-color: var(--color-primary-soft);
            border-radius: 10px;
        }

        .calendar-item__info {
            flex-grow: 1;
        }

        .calendar-item__info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .calendar-item__info p {
            font-size: 13px;
            color: var(--color-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: box-shadow .25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: background-color .2s ease;
        }

        .faq-item__question:hover {
            background-color: var(--bg-page);
        }

        .faq-item__number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-item__question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            flex-grow: 1;
            line-height: 1.5;
        }

        .faq-item__toggle {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-muted);
            transition: transform .25s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-item__toggle {
            transform: rotate(45deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-muted);
            background-color: #FAFBFD;
        }

        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* CTA Form */
        .cta-form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            padding: 40px;
        }

        .cta-form__info {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-form__info h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
        }

        .cta-form__info p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }

        .cta-form__points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 8px;
        }

        .cta-form__points li {
            font-size: 14px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-form__points li::before {
            content: '✓';
            color: var(--color-secondary);
            font-weight: 700;
            font-size: 16px;
        }

        .cta-form__card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: 0 4px 16px rgba(31, 42, 68, 0.05);
            border: 1px solid var(--line);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--color-ink);
            background-color: #ffffff;
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.12);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--color-muted);
            opacity: 0.7;
        }

        /* Footer */
        .site-footer {
            background-color: #1F2A44;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
        }

        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .site-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 380px;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer__links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 6px;
        }

        .site-footer__links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color .2s ease;
        }

        .site-footer__links a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer__bottom-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 12px;
            transition: color .2s ease;
        }

        .site-footer__bottom-links a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding-y: 60px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero__visual {
                min-height: 280px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card--wide {
                grid-column: span 2;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .brand-intro__visual {
                min-height: 240px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .deep-content {
                grid-template-columns: 1fr;
            }

            .deep-content__sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .deep-content__sidebar-card {
                flex: 1;
                min-width: 200px;
            }

            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .opinion-grid {
                grid-template-columns: 1fr;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .cta-form-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px;
            }

            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 8px 24px rgba(31, 42, 68, 0.1);
                z-index: 99;
            }

            .nav-links.mobile-open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                font-size: 14px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-search {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding-y: 48px;
            }

            .section__title {
                font-size: 24px;
            }

            .hero__title {
                font-size: 30px;
            }

            .hero {
                padding-top: calc(var(--nav-height) + 16px);
                padding-bottom: 40px;
            }

            .hero__visual {
                min-height: 220px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-card {
                padding: 16px;
            }

            .metric-card__value {
                font-size: 26px;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .service-card--wide {
                grid-column: span 1;
            }

            .service-card {
                padding: 20px;
            }

            .comparison-card {
                padding: 20px;
            }

            .collection-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .calendar-item__date {
                align-self: flex-start;
            }

            .cta-form-wrapper {
                padding: 20px;
            }

            .cta-form__card {
                padding: 20px;
            }

            .site-footer {
                padding: 32px 0 20px;
            }

            .site-footer__top {
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-padding-y: 36px;
            }

            .container {
                padding: 0 16px;
            }

            .section__title {
                font-size: 21px;
            }

            .hero__title {
                font-size: 25px;
            }

            .hero__subtitle {
                font-size: 14px;
            }

            .hero__cta {
                flex-direction: column;
            }

            .hero__cta .btn {
                width: 100%;
            }

            .hero__trust {
                flex-direction: column;
                gap: 6px;
            }

            .hero__visual {
                min-height: 180px;
                padding: 16px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 14px;
            }

            .metric-card__value {
                font-size: 24px;
            }

            .comparison-card {
                padding: 16px;
            }

            .comparison-list li {
                font-size: 13px;
                padding: 6px 10px;
            }

            .collection-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .news-featured__body {
                padding: 16px;
            }

            .news-list__item {
                padding: 14px 16px;
            }

            .deep-content__main {
                padding: 20px;
            }

            .deep-content__main h3 {
                font-size: 17px;
            }

            .deep-content__main .cover-image {
                height: 180px;
            }

            .faq-item__question {
                padding: 14px 16px;
                gap: 8px;
            }

            .faq-item__answer {
                padding: 0 16px;
                font-size: 13px;
            }

            .faq-item.open .faq-item__answer {
                padding: 0 16px 14px;
            }

            .cta-form__info h2 {
                font-size: 20px;
            }

            .site-footer__bottom {
                font-size: 11px;
            }

            .site-footer__bottom-links {
                gap: 10px;
            }

            .site-footer__bottom-links a {
                font-size: 11px;
            }
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-search {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .nav-links {
                display: flex !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
  --color-primary: #1B6EF3;
  --color-primary-dark: #0F55C4;
  --color-primary-soft: #E8F1FF;
  --color-secondary: #0E8A4D;
  --color-secondary-soft: #E7F5EE;
  --color-accent: #F2B84B;
  --color-ink: #1F2A44;
  --color-muted: #5B6478;
  --bg-page: #F5F7FA;
  --bg-card: #FFFFFF;
  --line: #E3E8F0;
  --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
  --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 999px;
  --nav-height: 60px;
  --hero-height: calc(100vh - 60px);
  --section-padding-y: 60px;
  --container-max: 1200px;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
  background-color: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease;
}
a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
button { cursor: pointer; border: none; background: none; }
* { box-sizing: border-box; margin: 0; padding: 0; }
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}
.section {
  padding: var(--section-padding-y) 0;
  position: relative;
}
.section--soft { background-color: var(--bg-page); }
.section--white { background-color: var(--bg-card); }
.section--primary-soft { background-color: var(--color-primary-soft); }
.section--secondary-soft { background-color: var(--color-secondary-soft); }
.section__header {
  margin-bottom: 36px;
  max-width: 720px;
}
.section__header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section__title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section__subtitle {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  line-height: 1.5;
  white-space: nowrap;
}
.badge--secondary { background-color: var(--color-secondary-soft); color: var(--color-secondary); }
.badge--accent { background-color: #FFF8E8; color: #B8860B; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-btn);
  transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 3px solid rgba(27, 110, 243, 0.35); outline-offset: 2px; }
.btn--primary { background-color: var(--color-primary); color: #fff; }
.btn--primary:hover { background-color: var(--color-primary-dark); color: #fff; box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25); }
.btn--secondary { background-color: #fff; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn--secondary:hover { background-color: var(--color-primary-soft); color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn--accent { background-color: var(--color-accent); color: #1F2A44; }
.btn--accent:hover { background-color: #E3A83B; color: #1F2A44; box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35); }
.btn--sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }
.btn--lg { padding: 16px 32px; font-size: 16px; border-radius: var(--radius-btn); }
.btn--full { width: 100%; }
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--nav-height);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  white-space: nowrap;
}
.nav-brand:hover { color: var(--color-primary); text-decoration: none; }
.nav-brand__logo {
  font-size: 24px;
  color: var(--color-primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-links a {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 8px;
  white-space: nowrap;
  transition: color .2s ease, background-color .2s ease;
}
.nav-links a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  text-decoration: none;
}
.nav-links a.active {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: #f5f7fa;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
}
.nav-search input {
  border: none;
  background: none;
  outline: none;
  font-size: 13px;
  width: 150px;
  color: var(--color-ink);
}
.nav-search input::placeholder { color: #9aa3b2; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: all .3s ease;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); text-decoration: underline; }
.breadcrumb span.sep { color: #c0c6d0; }
.breadcrumb .current { color: var(--color-primary); font-weight: 500; }
.cat-hero {
  padding: calc(var(--nav-height) + 48px) 0 40px;
  background: linear-gradient(135deg, #E8F1FF 0%, #F5F7FA 55%, #E7F5EE 100%);
  position: relative;
  overflow: hidden;
}
.cat-hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 45%;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.cat-hero .container { position: relative; z-index: 1; }
.cat-hero__title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-ink);
  margin-bottom: 14px;
}
.cat-hero__desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 680px;
  margin-bottom: 18px;
}
.cat-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-toolbar {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 30px;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 150px;
}
.filter-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}
.filter-group select,
.filter-group input {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  background-color: #fff;
  color: var(--color-ink);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
}
.filter-actions {
  display: flex;
  gap: 10px;
  margin-left: auto;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.metric-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px 20px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.metric-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.metric-card__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 8px;
}
.metric-card__value {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: 8px;
}
.metric-card__change {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.metric-card__change.up { color: var(--color-secondary); }
.metric-card__change.down { color: #e74c3c; }
.metric-card__bar {
  height: 4px;
  background-color: #eef1f5;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 10px;
}
.metric-card__bar-fill {
  height: 100%;
  border-radius: 4px;
  background-color: var(--color-primary);
}
.metric-card__bar-fill.green { background-color: var(--color-secondary); }
.metric-card__bar-fill.accent { background-color: var(--color-accent); }
.rank-section {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 30px;
}
.rank-section__header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.rank-section__header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
}
.rank-table-wrap { overflow-x: auto; }
.rank-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.rank-table th {
  background-color: #fafbfd;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 13px;
  color: var(--color-muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.rank-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #f0f3f7;
  color: var(--color-ink);
  white-space: nowrap;
}
.rank-table tr:last-child td { border-bottom: none; }
.rank-table tr:hover td { background-color: #f8fbff; }
.rank-table .team-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.rank-table .team-cell .team-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  flex-shrink: 0;
}
.rank-table .team-cell .team-dot.green { background-color: var(--color-secondary); }
.rank-table .team-cell .team-dot.accent { background-color: var(--color-accent); }
.rank-table .form-indicators {
  display: flex;
  gap: 4px;
}
.rank-table .form-indicators span {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}
.form-indicators .win { background-color: #e7f5ee; color: #0e8a4d; }
.form-indicators .draw { background-color: #f0f3f7; color: #5b6478; }
.form-indicators .loss { background-color: #fdecea; color: #e74c3c; }
.data-insights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}
.insight-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px 24px;
}
.insight-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.insight-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.insight-card .highlight {
  background-color: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-ink);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
  text-decoration: none;
  color: var(--color-ink);
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  text-decoration: none;
  color: var(--color-ink);
}
.related-card__img {
  height: 160px;
  background-size: cover;
  background-position: center;
}
.related-card__body {
  padding: 18px 20px;
}
.related-card__body h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.related-card__body p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}
.related-card__body .badge { margin-bottom: 10px; }
.cta-section {
  background: linear-gradient(135deg, #1B6EF3 0%, #0F55C4 100%);
  border-radius: 20px;
  padding: 48px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.cta-section h2 {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  max-width: 520px;
  line-height: 1.7;
}
.cta-section .btn--accent { font-size: 15px; }
.site-footer {
  background-color: #1F2A44;
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 0 24px;
  margin-top: auto;
}
.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 24px;
}
.site-footer__brand h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.site-footer__brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 360px;
}
.site-footer__links h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}
.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-wrap: wrap;
  max-height: 180px;
}
.site-footer__links a {
  font-size: 13px;
  white-space: nowrap;
}
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 16px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer__bottom-links {
  display: flex;
  gap: 10px;
  align-items: center;
}
.site-footer__bottom-links span { color: rgba(255, 255, 255, 0.3); }
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .data-insights { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-search input { width: 100px; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 6px 8px; font-size: 12px; }
}
@media (max-width: 768px) {
  .site-header .container { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; }
  .site-header { height: auto; position: relative; }
  .cat-hero { padding-top: 24px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    padding: 10px;
    gap: 4px;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; font-size: 14px; width: 100%; }
  .nav-actions { margin-left: auto; }
  .nav-search { display: none; }
  .site-header .container { position: relative; }
  .cat-hero__bg { display: none; }
  .cat-hero__title { font-size: 26px; }
  .filter-toolbar { flex-direction: column; align-items: stretch; }
  .filter-actions { margin-left: 0; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { flex-direction: column; align-items: flex-start; }
  .site-footer__top { grid-template-columns: 1fr; }
  .site-footer__links { max-height: none; }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .section__title { font-size: 22px; }
  .cat-hero__title { font-size: 22px; }
  .rank-table th, .rank-table td { padding: 10px 8px; font-size: 12px; }
  .btn--lg { width: 100%; }
  .cta-section { padding: 30px 20px; }
  .filter-toolbar { padding: 16px; }
}

/* roulang page: category3 */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --hero-height: calc(100vh - 60px);
            --section-padding-y: 80px;
            --container-max: 1200px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-padding-y: 60px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding-y: 48px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-padding-y: 36px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }

        .section--soft {
            background-color: var(--bg-page);
        }

        .section--white {
            background-color: var(--bg-card);
        }

        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }

        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }

        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }

        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }

        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }

        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        .btn--full {
            width: 100%;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-brand:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-brand__logo {
            font-size: 24px;
            line-height: 1;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            padding: 6px 12px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
            transition: color .2s ease, background-color .2s ease;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 6px 12px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--color-ink);
        }

        .nav-search input::placeholder {
            color: var(--color-muted);
        }

        .nav-search input:focus {
            outline: none;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background-color: var(--bg-card);
                border-bottom: 1px solid var(--line);
                box-shadow: 0 16px 32px rgba(31, 42, 68, .12);
                max-height: 0;
                overflow: hidden;
                transition: max-height .35s ease;
                z-index: 99;
            }

            .nav-links.nav-links--open {
                max-height: 420px;
            }

            .nav-links a {
                padding: 12px 20px;
                border-radius: 0;
                font-size: 14px;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }
        }

        @media (max-width: 480px) {
            .nav-actions .btn--sm {
                padding: 6px 10px;
                font-size: 12px;
            }
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--color-muted);
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .breadcrumb__sep {
            color: var(--line);
        }

        .breadcrumb__current {
            color: var(--color-ink);
            font-weight: 600;
        }

        .page-hero {
            padding: calc(var(--nav-height) + 40px) 0 48px;
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--line);
        }

        .page-hero__inner {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .page-hero__text {
            flex: 1;
        }

        .page-hero__title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-ink);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .page-hero__desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
            max-width: 560px;
        }

        .page-hero__visual {
            flex-shrink: 0;
            width: 280px;
            height: 200px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .page-hero__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .page-hero__inner {
                flex-direction: column;
                gap: 20px;
            }
            .page-hero__title {
                font-size: 28px;
            }
            .page-hero__visual {
                width: 100%;
                height: 180px;
            }
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-bar__label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-muted);
            margin-right: 4px;
        }

        .filter-chip {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            color: var(--color-muted);
            cursor: pointer;
            transition: all .2s ease;
        }

        .filter-chip:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }

        .filter-chip.active {
            background-color: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .gallery-grid--featured {
            grid-template-columns: repeat(2, 1fr);
            margin-bottom: 40px;
        }

        .gallery-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: var(--bg-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, transform .3s ease;
            cursor: pointer;
        }

        .gallery-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .gallery-card__image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .gallery-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .gallery-card:hover .gallery-card__image img {
            transform: scale(1.06);
        }

        .gallery-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 42, 68, .7) 0%, rgba(31, 42, 68, 0) 50%);
            opacity: 0;
            transition: opacity .3s ease;
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }

        .gallery-card:hover .gallery-card__overlay {
            opacity: 1;
        }

        .gallery-card__overlay-text {
            color: #ffffff;
            font-size: 14px;
            font-weight: 500;
        }

        .gallery-card__info {
            padding: 16px 18px;
        }

        .gallery-card__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .gallery-card__meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-muted);
        }

        .gallery-card__tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 11px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        @media (max-width: 1024px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid--featured {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .data-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .data-panel__item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .data-panel__item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .data-panel__number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-panel__label {
            font-size: 13px;
            color: var(--color-muted);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .data-panel {
                grid-template-columns: 1fr;
            }
        }

        .story-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .story-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .story-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .story-card__image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .story-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .story-card:hover .story-card__image img {
            transform: scale(1.04);
        }

        .story-card__body {
            padding: 18px 20px;
        }

        .story-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .story-card__text {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .story-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .story-list {
                grid-template-columns: 1fr;
            }
        }

        .guide-box {
            background-color: var(--color-primary-soft);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            align-items: center;
            gap: 28px;
            margin-top: 20px;
        }

        .guide-box__icon {
            font-size: 40px;
            flex-shrink: 0;
        }

        .guide-box__text {
            flex: 1;
        }

        .guide-box__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .guide-box__desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .guide-box {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            transition: color .2s ease;
            user-select: none;
        }

        .faq-item__question:hover {
            color: var(--color-primary);
        }

        .faq-item__icon {
            font-size: 16px;
            color: var(--color-muted);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-item__answer {
            max-height: 240px;
            padding: 0 22px 20px;
        }

        .faq-item__answer p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        .cta-panel {
            background-color: #1F2A44;
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .cta-panel__text {
            flex: 1;
        }

        .cta-panel__title {
            font-size: 24px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-panel__desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-panel__actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .cta-panel {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }
            .cta-panel__desc {
                margin: 0 auto;
            }
            .cta-panel__actions {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        .site-footer {
            background-color: #1A2338;
            color: rgba(255, 255, 255, .8);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .site-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }

        .site-footer__links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .site-footer__links a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 8px;
            transition: color .2s ease;
        }

        .site-footer__links a:hover {
            color: #ffffff;
            text-decoration: none;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
        }

        .site-footer__bottom p {
            margin-right: 16px;
        }

        .site-footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer__bottom-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 12px;
        }

        .site-footer__bottom-links a:hover {
            color: #ffffff;
            text-decoration: none;
        }

        @media (max-width: 768px) {
            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .site-footer__bottom p {
                margin-right: 0;
            }
        }

/* roulang page: category2 */
:root {
        --color-primary: #1B6EF3;
        --color-primary-dark: #0F55C4;
        --color-primary-soft: #E8F1FF;
        --color-secondary: #0E8A4D;
        --color-secondary-soft: #E7F5EE;
        --color-accent: #F2B84B;
        --color-ink: #1F2A44;
        --color-muted: #5B6478;
        --bg-page: #F5F7FA;
        --bg-card: #FFFFFF;
        --line: #E3E8F0;
        --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
        --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
        --radius-card: 16px;
        --radius-btn: 12px;
        --radius-badge: 999px;
        --nav-height: 60px;
        --hero-height: calc(100vh - 60px);
        --section-padding-y: 80px;
        --container-max: 1200px;
    }

    /* Base & Reset */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-ink);
        background-color: var(--bg-page);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        overflow-x: hidden;
    }

    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color .2s ease, opacity .2s ease;
    }
    a:hover {
        color: var(--color-primary-dark);
        text-decoration: underline;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    button, input, textarea, select {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
        color: inherit;
    }

    button {
        cursor: pointer;
        border: none;
        background: none;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 20px;
        width: 100%;
    }

    .section {
        padding: var(--section-padding-y) 0;
        position: relative;
    }

    .section--soft {
        background-color: var(--bg-page);
    }
    .section--white {
        background-color: var(--bg-card);
    }
    .section--primary-soft {
        background-color: var(--color-primary-soft);
    }
    .section--secondary-soft {
        background-color: var(--color-secondary-soft);
    }

    .section__header {
        margin-bottom: 40px;
        max-width: 720px;
        position: relative;
        z-index: 2;
    }
    .section__header--center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .section__title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-ink);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }

    .section__subtitle {
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-muted);
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        font-size: 13px;
        font-weight: 500;
        border-radius: var(--radius-badge);
        background-color: var(--color-primary-soft);
        color: var(--color-primary);
        line-height: 1.5;
        white-space: nowrap;
    }
    .badge--secondary {
        background-color: var(--color-secondary-soft);
        color: var(--color-secondary);
    }
    .badge--accent {
        background-color: #FFF8E8;
        color: #B8860B;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.5;
        border-radius: var(--radius-btn);
        transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
        text-decoration: none;
        white-space: nowrap;
        cursor: pointer;
        border: 1.5px solid transparent;
    }
    .btn:hover {
        text-decoration: none;
    }
    .btn:active {
        transform: scale(0.98);
    }
    .btn:focus-visible {
        outline: 3px solid rgba(27, 110, 243, 0.35);
        outline-offset: 2px;
    }
    .btn--primary {
        background-color: var(--color-primary);
        color: #ffffff;
        border-color: var(--color-primary);
    }
    .btn--primary:hover {
        background-color: var(--color-primary-dark);
        border-color: var(--color-primary-dark);
        color: #ffffff;
        box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
    }
    .btn--secondary {
        background-color: #ffffff;
        color: var(--color-primary);
        border: 1.5px solid var(--color-primary);
    }
    .btn--secondary:hover {
        background-color: var(--color-primary-soft);
        color: var(--color-primary-dark);
        border-color: var(--color-primary-dark);
    }
    .btn--accent {
        background-color: var(--color-accent);
        color: #1F2A44;
        border-color: var(--color-accent);
    }
    .btn--accent:hover {
        background-color: #E3A83B;
        border-color: #E3A83B;
        color: #1F2A44;
        box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
    }
    .btn--sm {
        padding: 8px 16px;
        font-size: 13px;
        border-radius: 10px;
    }
    .btn--lg {
        padding: 16px 32px;
        font-size: 16px;
    }
    .btn--full {
        width: 100%;
    }

    /* Header / Navigation */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--nav-height);
        z-index: 100;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 2px 12px rgba(31, 42, 68, 0.04);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        height: 100%;
    }
    .nav-brand {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        font-size: 18px;
        color: var(--color-ink);
        letter-spacing: -0.01em;
        flex-shrink: 0;
    }
    .nav-brand:hover {
        text-decoration: none;
        color: var(--color-primary-dark);
    }
    .nav-brand__logo {
        width: 32px;
        height: 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background-color: var(--color-primary-soft);
        border-radius: 8px;
        font-size: 18px;
        flex-shrink: 0;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 2px;
        margin-left: auto;
        margin-right: auto;
    }
    .nav-links a {
        padding: 6px 12px;
        font-size: 13px;
        font-weight: 500;
        color: var(--color-muted);
        border-radius: 8px;
        transition: color .2s ease, background-color .2s ease;
        white-space: nowrap;
        position: relative;
    }
    .nav-links a:hover {
        color: var(--color-primary-dark);
        text-decoration: none;
        background-color: var(--color-primary-soft);
    }
    .nav-links a.active {
        color: var(--color-primary);
        background-color: var(--color-primary-soft);
        font-weight: 600;
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .nav-search {
        display: flex;
        align-items: center;
        gap: 6px;
        background-color: var(--bg-page);
        border: 1px solid var(--line);
        border-radius: 10px;
        padding: 6px 10px;
        transition: border-color .2s ease, box-shadow .2s ease;
    }
    .nav-search:focus-within {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
    }
    .nav-search input {
        border: none;
        background: transparent;
        font-size: 13px;
        color: var(--color-ink);
        width: 140px;
        outline: none;
        line-height: 1.5;
    }
    .nav-search input::placeholder {
        color: var(--color-muted);
        opacity: 0.7;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        border-radius: 8px;
        background: var(--bg-page);
        border: 1px solid var(--line);
        flex-shrink: 0;
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--color-ink);
        border-radius: 2px;
        transition: transform .2s ease, opacity .2s ease;
    }

    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 6px;
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 20px;
        position: relative;
        z-index: 3;
    }
    .breadcrumb a {
        color: var(--color-muted);
        transition: color .2s ease;
    }
    .breadcrumb a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .breadcrumb .sep {
        color: var(--line);
        user-select: none;
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 500;
    }

    /* Category Hero */
    .category-hero {
        padding-top: calc(var(--nav-height) + 48px);
        padding-bottom: 48px;
        background-color: #E8F1FF;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        position: relative;
        isolation: isolate;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(232, 241, 255, 0.95) 0%, rgba(232, 241, 255, 0.8) 50%, rgba(231, 245, 238, 0.75) 100%);
        z-index: -1;
    }
    .category-hero__content {
        max-width: 680px;
    }
    .category-hero h1 {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--color-ink);
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }
    .category-hero__desc {
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-muted);
        margin-bottom: 24px;
    }
    .category-hero__actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* Headline News */
    .headline-news {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 32px;
        background: var(--bg-card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: box-shadow .3s ease, transform .3s ease;
    }
    .headline-news:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .headline-news__image {
        position: relative;
        min-height: 320px;
        overflow: hidden;
    }
    .headline-news__image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        inset: 0;
    }
    .headline-news__image .badge {
        position: absolute;
        top: 20px;
        left: 20px;
        z-index: 2;
    }
    .headline-news__body {
        padding: 32px 28px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 12px;
    }
    .headline-news__date {
        font-size: 13px;
        color: var(--color-muted);
    }
    .headline-news__title {
        font-size: 24px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--color-ink);
    }
    .headline-news__excerpt {
        font-size: 15px;
        line-height: 1.8;
        color: var(--color-muted);
    }
    .headline-news__footer {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 8px;
    }

    /* Topic Tags */
    .topic-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .topic-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        font-size: 14px;
        font-weight: 500;
        background-color: var(--bg-card);
        border: 1px solid var(--line);
        border-radius: var(--radius-badge);
        color: var(--color-ink);
        transition: all .2s ease;
        cursor: pointer;
        text-decoration: none;
    }
    .topic-tag:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
        background-color: var(--color-primary-soft);
        text-decoration: none;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(27, 110, 243, 0.12);
    }
    .topic-tag--hot {
        background-color: #FFF8E8;
        border-color: #F2B84B;
        color: #B8860B;
    }

    /* Timeline */
    .timeline {
        position: relative;
        padding-left: 0;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 12px;
        bottom: 12px;
        width: 2px;
        background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
        border-radius: 2px;
        opacity: 0.35;
    }
    .timeline-item {
        position: relative;
        padding-left: 40px;
        margin-bottom: 28px;
        padding-bottom: 28px;
        border-bottom: 1px solid var(--line);
    }
    .timeline-item:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
    .timeline-item::before {
        content: '';
        position: absolute;
        left: 3px;
        top: 8px;
        width: 12px;
        height: 12px;
        background-color: var(--color-primary);
        border-radius: 50%;
        border: 2px solid #ffffff;
        box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.2);
    }
    .timeline-item--secondary::before {
        background-color: var(--color-secondary);
        box-shadow: 0 0 0 3px rgba(14, 138, 77, 0.2);
    }
    .timeline-item__date {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 4px;
    }
    .timeline-item__title {
        font-size: 18px;
        font-weight: 600;
        line-height: 1.45;
        color: var(--color-ink);
        margin-bottom: 8px;
    }
    .timeline-item__excerpt {
        font-size: 14px;
        line-height: 1.75;
        color: var(--color-muted);
    }
    .timeline-item__meta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 8px;
        font-size: 13px;
        color: var(--color-muted);
    }

    /* Stats Small */
    .stats-small {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .stat-card-sm {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 24px 20px;
        text-align: center;
        transition: box-shadow .3s ease, transform .3s ease;
    }
    .stat-card-sm:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .stat-card-sm__number {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .stat-card-sm__label {
        font-size: 13px;
        color: var(--color-muted);
        font-weight: 500;
    }

    /* Deep Article */
    .deep-article {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 40px;
        background: var(--bg-card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 40px;
    }
    .deep-article__main h3 {
        font-size: 22px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--color-ink);
        margin-bottom: 16px;
    }
    .deep-article__main h4 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-ink);
        margin: 20px 0 10px;
    }
    .deep-article__main p {
        font-size: 15px;
        line-height: 1.8;
        color: var(--color-muted);
        margin-bottom: 14px;
    }
    .deep-article__main blockquote {
        border-left: 3px solid var(--color-primary);
        padding: 12px 20px;
        background: var(--color-primary-soft);
        border-radius: 0 8px 8px 0;
        margin: 20px 0;
        font-size: 15px;
        line-height: 1.7;
        color: var(--color-ink);
    }
    .deep-article__side {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .deep-article__side-card {
        background: var(--bg-page);
        border-radius: var(--radius-card);
        padding: 20px;
        border: 1px solid var(--line);
    }
    .deep-article__side-card h5 {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-ink);
        margin-bottom: 8px;
    }
    .deep-article__side-card p {
        font-size: 13px;
        line-height: 1.7;
        color: var(--color-muted);
    }
    .deep-article__side-card .badge {
        margin-bottom: 8px;
        display: inline-block;
    }

    /* Discussion List */
    .discussion-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .discussion-card {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 22px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        transition: box-shadow .3s ease, transform .3s ease;
        border-left: 3px solid transparent;
    }
    .discussion-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
        border-left-color: var(--color-primary);
    }
    .discussion-card__title {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-ink);
        line-height: 1.5;
    }
    .discussion-card__excerpt {
        font-size: 14px;
        line-height: 1.7;
        color: var(--color-muted);
    }
    .discussion-card__meta {
        font-size: 13px;
        color: var(--color-muted);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        border: 1px solid var(--line);
        transition: box-shadow .3s ease, border-color .3s ease;
    }
    .faq-item:hover {
        box-shadow: 0 12px 32px rgba(31, 42, 68, 0.1);
    }
    .faq-item__question {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        width: 100%;
        padding: 18px 22px;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-ink);
        text-align: left;
        cursor: pointer;
        transition: background-color .2s ease;
        border-radius: 0;
    }
    .faq-item__question:hover {
        background-color: var(--color-primary-soft);
    }
    .faq-item__question .num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        background-color: var(--color-primary-soft);
        border-radius: 8px;
        font-size: 13px;
        font-weight: 700;
        color: var(--color-primary);
        flex-shrink: 0;
    }
    .faq-item__question .arrow {
        margin-left: auto;
        font-size: 18px;
        color: var(--color-muted);
        transition: transform .3s ease;
        flex-shrink: 0;
    }
    .faq-item__answer {
        padding: 0 22px 18px 64px;
        font-size: 14px;
        line-height: 1.75;
        color: var(--color-muted);
        display: none;
    }
    .faq-item.open .faq-item__answer {
        display: block;
    }
    .faq-item.open .faq-item__question {
        background-color: var(--color-primary-soft);
    }
    .faq-item.open .faq-item__question .arrow {
        transform: rotate(180deg);
    }

    /* CTA */
    .cta-banner {
        background: var(--color-primary);
        border-radius: var(--radius-card);
        padding: 48px 40px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
        box-shadow: 0 16px 40px rgba(27, 110, 243, 0.25);
    }
    .cta-banner__title {
        font-size: 26px;
        font-weight: 700;
        color: #ffffff;
        line-height: 1.4;
        margin-bottom: 12px;
    }
    .cta-banner__desc {
        font-size: 15px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
    }
    .cta-banner__form {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .cta-banner__form input,
    .cta-banner__form textarea {
        width: 100%;
        padding: 12px 16px;
        border-radius: var(--radius-btn);
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.12);
        color: #ffffff;
        font-size: 14px;
        outline: none;
        transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
    }
    .cta-banner__form input::placeholder,
    .cta-banner__form textarea::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }
    .cta-banner__form input:focus,
    .cta-banner__form textarea:focus {
        border-color: #ffffff;
        box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
        background: rgba(255, 255, 255, 0.2);
    }
    .cta-banner__form .btn--accent {
        width: 100%;
        font-size: 15px;
        padding: 14px 24px;
    }

    /* Footer */
    .site-footer {
        background-color: #1F2A44;
        color: rgba(255, 255, 255, 0.75);
        padding: 48px 0 32px;
        margin-top: auto;
    }
    .site-footer__top {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 40px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .site-footer__brand h3 {
        font-size: 20px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 10px;
    }
    .site-footer__brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.65);
    }
    .site-footer__links h4 {
        font-size: 15px;
        font-weight: 600;
        color: #ffffff;
        margin-bottom: 12px;
    }
    .site-footer__links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .site-footer__links a {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        transition: color .2s ease;
    }
    .site-footer__links a:hover {
        color: #ffffff;
        text-decoration: none;
    }
    .site-footer__bottom {
        padding-top: 24px;
        display: flex;
        flex-direction: column;
        gap: 6px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }
    .site-footer__bottom-links {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: 4px;
    }
    .site-footer__bottom-links a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
        transition: color .2s ease;
    }
    .site-footer__bottom-links a:hover {
        color: #ffffff;
        text-decoration: none;
    }
    .site-footer__bottom-links span {
        color: rgba(255, 255, 255, 0.3);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        :root {
            --section-padding-y: 60px;
        }
        .nav-links {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-search {
            display: none;
        }
        .site-header .container {
            gap: 12px;
        }
        .stats-small {
            grid-template-columns: repeat(2, 1fr);
        }
        .deep-article {
            grid-template-columns: 1fr;
            padding: 28px;
        }
        .cta-banner {
            grid-template-columns: 1fr;
            padding: 36px 28px;
        }
        .headline-news {
            grid-template-columns: 1fr;
        }
        .headline-news__image {
            min-height: 220px;
        }
        .discussion-list {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        :root {
            --section-padding-y: 48px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero__desc {
            font-size: 15px;
        }
        .section__title {
            font-size: 24px;
        }
        .timeline::before {
            left: 6px;
        }
        .timeline-item {
            padding-left: 32px;
        }
        .timeline-item::before {
            left: 1px;
            width: 10px;
            height: 10px;
        }
        .site-footer__top {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .site-footer__links {
            grid-template-columns: 1fr;
        }
        .headline-news__body {
            padding: 22px 18px;
        }
        .headline-news__title {
            font-size: 20px;
        }
    }

    @media (max-width: 480px) {
        :root {
            --section-padding-y: 36px;
        }
        .container {
            padding: 0 16px;
        }
        .category-hero {
            padding-top: calc(var(--nav-height) + 28px);
            padding-bottom: 32px;
        }
        .category-hero h1 {
            font-size: 24px;
        }
        .stats-small {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-card-sm__number {
            font-size: 24px;
        }
        .topic-tag {
            padding: 6px 14px;
            font-size: 13px;
        }
        .cta-banner {
            padding: 28px 18px;
            border-radius: 12px;
        }
        .cta-banner__title {
            font-size: 22px;
        }
        .faq-item__question {
            padding: 14px 16px;
            font-size: 14px;
        }
        .faq-item__answer {
            padding: 0 16px 14px 56px;
        }
        .deep-article {
            padding: 20px;
        }
        .btn--lg {
            padding: 14px 24px;
            font-size: 15px;
        }
        .breadcrumb {
            font-size: 12px;
        }
        .headline-news__image {
            min-height: 180px;
        }
    }

    /* Mobile nav expanded */
    @media (max-width: 1024px) {
        .nav-links.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #ffffff;
            border-bottom: 1px solid var(--line);
            box-shadow: 0 12px 32px rgba(31, 42, 68, 0.12);
            padding: 12px 20px;
            gap: 4px;
            z-index: 99;
        }
        .nav-links.mobile-open a {
            padding: 10px 14px;
            width: 100%;
            border-radius: 8px;
            font-size: 14px;
        }
    }

/* roulang page: category4 */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --section-padding-y: 60px;
            --container-max: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }
        .section--soft {
            background-color: var(--bg-page);
        }
        .section--white {
            background-color: var(--bg-card);
        }
        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }
        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }
        .section__header {
            margin-bottom: 36px;
            max-width: 720px;
        }
        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }
        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }
        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }
        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }
        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }
        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }
        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }
        .btn--full {
            width: 100%;
        }
        .btn--outline-light {
            background-color: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }
        .btn--outline-light:hover {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: #ffffff;
            color: #ffffff;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-brand:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-brand__logo {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, #1B6EF3 0%, #0E8A4D 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #ffffff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            border-radius: 8px;
            transition: background-color .2s ease, color .2s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links a.active {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 6px 12px;
            font-size: 13px;
            color: var(--color-muted);
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
        }
        .nav-search input {
            border: none;
            background: none;
            outline: none;
            font-size: 13px;
            color: var(--color-ink);
            width: 140px;
        }
        .nav-search input::placeholder {
            color: #9BA3B5;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            transition: background-color .2s ease;
        }
        .nav-toggle:hover {
            background-color: var(--bg-page);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
            padding: 12px 0 0;
        }
        .breadcrumb a {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: #9BA3B5;
        }
        .breadcrumb .current {
            color: var(--color-muted);
            font-weight: 500;
        }

        /* Hero Banner */
        .hero-banner {
            padding-top: calc(var(--nav-height) + 20px);
            padding-bottom: 32px;
            background-color: var(--color-primary-soft);
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(27, 110, 243, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .hero-banner__content {
            flex: 1;
            min-width: 0;
        }
        .hero-banner__title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .hero-banner__subtitle {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 560px;
        }
        .hero-banner__image {
            width: 320px;
            flex-shrink: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .hero-banner__image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        /* Compare Tool Section */
        .compare-selector {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .compare-selector__item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 180px;
        }
        .compare-selector__label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-ink);
        }
        .compare-selector__select {
            padding: 10px 16px;
            border: 1.5px solid var(--line);
            border-radius: 10px;
            background-color: var(--bg-card);
            font-size: 15px;
            color: var(--color-ink);
            transition: border-color .2s ease, box-shadow .2s ease;
            cursor: pointer;
            min-width: 180px;
        }
        .compare-selector__select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
            outline: none;
        }
        .compare-selector__vs {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        /* Compare Table */
        .compare-table-wrap {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--line);
        }
        .compare-table thead th {
            background-color: var(--bg-page);
            font-weight: 700;
            font-size: 15px;
            color: var(--color-ink);
            padding: 18px 20px;
            border-bottom: 2px solid var(--line);
        }
        .compare-table thead th:first-child {
            text-align: left;
            width: 30%;
            border-radius: 0;
        }
        .compare-table tbody th {
            text-align: left;
            font-weight: 600;
            color: var(--color-ink);
            background-color: var(--bg-card);
            width: 30%;
        }
        .compare-table tbody tr:last-child th,
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover {
            background-color: var(--bg-page);
        }
        .compare-table .value-highlight {
            font-weight: 700;
            color: var(--color-primary);
        }
        .compare-table .value-accent {
            font-weight: 700;
            color: var(--color-secondary);
        }
        .compare-table .team-name {
            font-weight: 700;
            font-size: 16px;
            color: var(--color-ink);
        }

        /* Param Cards */
        .param-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .param-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow .25s ease, transform .25s ease;
            border: 1px solid transparent;
        }
        .param-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary-soft);
        }
        .param-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .param-card__title .icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .param-card__title .icon--blue {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .param-card__title .icon--green {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }
        .param-card__title .icon--gold {
            background-color: #FFF8E8;
            color: #B8860B;
        }
        .param-card__body {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }
        .param-card__value {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .param-card__trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
        }
        .param-card__trend--up {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }
        .param-card__trend--down {
            background-color: #FEECEC;
            color: #D32F2F;
        }

        /* Conclusion Block */
        .conclusion-block {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            border-left: 4px solid var(--color-primary);
            margin-bottom: 32px;
        }
        .conclusion-block__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .conclusion-block__text {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.85;
        }
        .conclusion-block__text strong {
            color: var(--color-ink);
            font-weight: 600;
        }

        /* History Timeline */
        .history-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .history-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .history-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .history-item__date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .history-item__teams {
            font-weight: 700;
            color: var(--color-ink);
            flex: 1;
            min-width: 160px;
        }
        .history-item__score {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.02em;
        }
        .history-item__note {
            font-size: 13px;
            color: var(--color-muted);
            flex-basis: 100%;
            padding-top: 4px;
            border-top: 1px dashed var(--line);
            margin-top: 4px;
        }

        /* Tactical Style Compare */
        .tactical-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .tactical-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            border-top: 3px solid var(--color-primary);
        }
        .tactical-card--green {
            border-top-color: var(--color-secondary);
        }
        .tactical-card__team {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tactical-card__desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
        }
        .tactical-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .tactical-card__tags span {
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 999px;
            background-color: var(--bg-page);
            color: var(--color-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .25s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item__question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: background-color .2s ease;
        }
        .faq-item__question:hover {
            background-color: var(--bg-page);
        }
        .faq-item__question .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform .3s ease, background-color .3s ease;
        }
        .faq-item.is-open .faq-item__question .icon {
            transform: rotate(45deg);
            background-color: var(--color-primary);
            color: #ffffff;
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 24px;
            background-color: var(--bg-card);
        }
        .faq-item.is-open .faq-item__answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-item__answer p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* CTA Form */
        .cta-section {
            background-color: var(--color-ink);
            border-radius: var(--radius-card);
            padding: 40px;
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .cta-section__content {
            flex: 1;
            min-width: 260px;
        }
        .cta-section__title {
            font-size: 24px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section__text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
        }
        .cta-section__form {
            flex: 1;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-section__form input,
        .cta-section__form textarea,
        .cta-section__form select {
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 12px 16px;
            color: #ffffff;
            font-size: 14px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .cta-section__form input::placeholder,
        .cta-section__form textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-section__form input:focus,
        .cta-section__form textarea:focus,
        .cta-section__form select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.25);
            outline: none;
        }
        .cta-section__form select option {
            color: var(--color-ink);
            background-color: #ffffff;
        }
        .cta-section__form textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-section__form .btn--accent {
            align-self: flex-start;
        }

        /* Footer */
        .site-footer {
            background-color: #1A2235;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .site-footer__top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .site-footer__brand {
            max-width: 360px;
        }
        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .site-footer__brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
        }
        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer__links h4 {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .site-footer__links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color .2s ease;
        }
        .site-footer__links a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer__bottom p {
            margin: 0;
        }
        .site-footer__bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: auto;
        }
        .site-footer__bottom-links a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color .2s ease;
        }
        .site-footer__bottom-links a:hover {
            color: var(--color-accent);
        }
        .site-footer__bottom-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 8px;
                font-size: 12px;
            }
            .nav-search input {
                width: 100px;
            }
            .hero-banner__image {
                width: 240px;
            }
            .param-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tactical-grid {
                grid-template-columns: 1fr;
            }
            .compare-selector {
                flex-direction: column;
                align-items: stretch;
            }
            .compare-selector__vs {
                text-align: center;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 16px 32px rgba(31, 42, 68, 0.1);
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 14px;
                border-radius: 8px;
            }
            .nav-search {
                display: none;
            }
            .nav-actions .btn {
                display: none;
            }
            .hero-banner .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-banner__title {
                font-size: 28px;
            }
            .hero-banner__image {
                width: 100%;
            }
            .hero-banner__image img {
                height: 160px;
            }
            .param-grid {
                grid-template-columns: 1fr;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 13px;
            }
            .cta-section {
                padding: 24px;
                flex-direction: column;
            }
            .site-footer__top {
                flex-direction: column;
                gap: 24px;
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer__bottom-links {
                margin-left: 0;
            }
            :root {
                --section-padding-y: 40px;
            }
        }
        @media (max-width: 480px) {
            .hero-banner__title {
                font-size: 24px;
            }
            .hero-banner__subtitle {
                font-size: 14px;
            }
            .section__title {
                font-size: 22px;
            }
            .compare-table {
                font-size: 12px;
            }
            .compare-table th,
            .compare-table td {
                padding: 8px 6px;
                font-size: 11px;
            }
            .compare-table thead th {
                font-size: 13px;
                padding: 12px 6px;
            }
            .history-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .history-item__date {
                font-size: 12px;
            }
            .history-item__score {
                font-size: 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            :root {
                --section-padding-y: 32px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --section-padding-y: 64px;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }
        .section--white {
            background-color: var(--bg-card);
        }
        .section--soft {
            background-color: var(--bg-page);
        }
        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }
        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }
        .section__header {
            margin-bottom: 36px;
            max-width: 760px;
        }
        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }
        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }
        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }
        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }
        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }
        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }
        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }
        .btn--full {
            width: 100%;
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: var(--nav-height);
        }
        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-brand__logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            font-size: 18px;
            border-radius: 8px;
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .nav-links a {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            text-decoration: none;
            padding: 6px 2px;
            position: relative;
            transition: color .2s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background-color: var(--color-primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 6px 12px;
            font-size: 13px;
            color: var(--color-muted);
            min-width: 180px;
        }
        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 13px;
            color: var(--color-ink);
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--color-muted);
            opacity: .7;
        }
        .nav-search input:focus {
            outline: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--line);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background-color: var(--color-ink);
            transition: transform .2s ease, opacity .2s ease;
        }
        /* Breadcrumb */
        .breadcrumb {
            padding: 18px 0;
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--line);
            font-size: 13px;
            color: var(--color-muted);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-muted);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--line);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-ink);
            font-weight: 600;
        }
        /* Hero for category5 */
        .category-hero {
            padding: 50px 0 40px;
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--line);
        }
        .category-hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .category-hero__content h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .category-hero__content .badge {
            margin-bottom: 16px;
        }
        .category-hero__content p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .category-hero__meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-muted);
        }
        .category-hero__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .category-hero__image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .category-hero__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        /* pinned Q&A */
        .pinned-qa {
            padding: 50px 0;
            background-color: var(--color-secondary-soft);
        }
        .pinned-qa .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .pinned-qa__card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--color-secondary);
        }
        .pinned-qa__card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pinned-qa__card h3 .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .pinned-qa__card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-muted);
        }
        /* rule overview cards */
        .rule-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rule-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease, transform .25s ease;
            border-top: 3px solid var(--color-primary);
        }
        .rule-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .rule-card--green {
            border-top-color: var(--color-secondary);
        }
        .rule-card--gold {
            border-top-color: var(--color-accent);
        }
        .rule-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .rule-card--blue .rule-card__icon {
            background-color: var(--color-primary-soft);
        }
        .rule-card--green .rule-card__icon {
            background-color: var(--color-secondary-soft);
        }
        .rule-card--gold .rule-card__icon {
            background-color: #FFF8E8;
        }
        .rule-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .rule-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-muted);
            margin-bottom: 12px;
        }
        .rule-card a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
        }
        .rule-card a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        /* FAQ accordion */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .25s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            user-select: none;
            transition: background-color .2s ease;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-item__question:hover {
            background-color: var(--color-primary-soft);
        }
        .faq-item__question .q-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform .25s ease;
        }
        .faq-item__question.active .q-icon {
            transform: rotate(45deg);
            background-color: var(--color-primary);
            color: #ffffff;
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            padding: 0 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-muted);
        }
        .faq-item__answer-inner {
            padding-bottom: 20px;
        }
        .faq-item__answer p {
            margin-bottom: 10px;
        }
        .faq-item__answer p:last-child {
            margin-bottom: 0;
        }
        /* conduct rules */
        .conduct-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .conduct-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .conduct-text p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-muted);
            margin-bottom: 12px;
        }
        .conduct-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .conduct-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-muted);
        }
        .conduct-list li .dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 3px;
        }
        /* penalty section */
        .penalty-box {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            max-width: 800px;
            margin: 0 auto;
            border: 1px solid var(--line);
        }
        .penalty-box h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .penalty-box h3 .icon {
            font-size: 20px;
        }
        .penalty-levels {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .penalty-level {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--color-muted);
            padding: 10px 14px;
            border-radius: 8px;
            background-color: var(--bg-page);
        }
        .penalty-level .level-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 6px;
            color: #ffffff;
            flex-shrink: 0;
        }
        .penalty-level .level-tag--light {
            background-color: var(--color-accent);
            color: #1F2A44;
        }
        .penalty-level .level-tag--medium {
            background-color: #F08A4B;
            color: #ffffff;
        }
        .penalty-level .level-tag--high {
            background-color: #D94848;
            color: #ffffff;
        }
        /* recommend section */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .recommend-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease, transform .25s ease;
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .recommend-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .recommend-card__body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .recommend-card__body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .recommend-card__body p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-muted);
            flex: 1;
            margin-bottom: 12px;
        }
        .recommend-card__body a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            align-self: flex-start;
        }
        .recommend-card__body a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        /* CTA section */
        .cta-panel {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }
        .cta-panel h2 {
            font-size: 24px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .cta-panel p {
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
        }
        .cta-panel .btn {
            background-color: #ffffff;
            color: var(--color-primary);
            font-weight: 700;
        }
        .cta-panel .btn:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
        }
        /* Footer */
        .site-footer {
            background-color: #182031;
            color: rgba(255, 255, 255, .75);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .site-footer a {
            color: rgba(255, 255, 255, .75);
            text-decoration: none;
            transition: color .2s ease;
        }
        .site-footer a:hover {
            color: #ffffff;
            text-decoration: underline;
        }
        .site-footer__top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }
        .site-footer__links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            font-size: 13px;
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
            align-items: center;
            justify-content: space-between;
        }
        .site-footer__bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .site-footer__bottom-links span {
            color: rgba(255, 255, 255, .3);
        }
        /* Mobile nav open */
        .site-header.menu-open .nav-links {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: #ffffff;
            border-bottom: 1px solid var(--line);
            padding: 16px 20px;
            gap: 4px;
            box-shadow: 0 12px 24px rgba(31, 42, 68, .1);
            max-height: calc(100vh - var(--nav-height));
            overflow-y: auto;
            z-index: 99;
        }
        .site-header.menu-open .nav-links a {
            padding: 10px 12px;
            font-size: 14px;
            border-radius: 8px;
            width: 100%;
        }
        .site-header.menu-open .nav-links a:hover {
            background-color: var(--color-primary-soft);
        }
        .site-header.menu-open .nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .site-header.menu-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }
        .site-header.menu-open .nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 10px;
            }
            .nav-search {
                min-width: 140px;
            }
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-hero__image img {
                min-height: 220px;
            }
            .pinned-qa .container {
                grid-template-columns: 1fr;
            }
            .rule-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .conduct-layout {
                grid-template-columns: 1fr;
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .cta-panel .btn {
                justify-self: center;
            }
            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .site-header.menu-open .nav-actions {
                display: flex;
                flex-direction: column;
                width: 100%;
                padding: 0 20px 16px;
                position: absolute;
                top: calc(var(--nav-height) + 200px);
                left: 0;
                right: 0;
                background-color: #ffffff;
                border-bottom: 1px solid var(--line);
            }
            .rule-grid {
                grid-template-columns: 1fr;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .faq-item__question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .section__title {
                font-size: 24px;
            }
            .category-hero__content h1 {
                font-size: 28px;
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .section {
                padding: 36px 0;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero__content h1 {
                font-size: 24px;
            }
            .cta-panel {
                padding: 24px;
            }
            .cta-panel h2 {
                font-size: 20px;
            }
            .penalty-box {
                padding: 20px;
            }
            .faq-item__question {
                padding: 14px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --hero-height: calc(100vh - 60px);
            --section-padding-y: 80px;
            --container-max: 1200px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-padding-y: 60px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding-y: 48px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-padding-y: 36px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }

        .section--soft {
            background-color: var(--bg-page);
        }

        .section--white {
            background-color: var(--bg-card);
        }

        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }

        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 760px;
        }

        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }

        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }

        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }

        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }

        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        .btn--full {
            width: 100%;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(227, 232, 240, 0.75);
            transition: box-shadow .2s ease;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--color-ink);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-brand:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        .nav-brand__logo {
            font-size: 26px;
            line-height: 1;
            display: inline-flex;
            align-items: center;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            margin: 0 8px;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-muted);
            border-radius: 8px;
            white-space: nowrap;
            transition: color .2s ease, background-color .2s ease;
            text-decoration: none;
        }

        .nav-links a:hover {
            color: var(--color-primary-dark);
            background-color: var(--color-primary-soft);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 13px;
            min-width: 180px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.12);
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--color-ink);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: #A0ABB8;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            transition: background-color .2s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background-color: var(--color-primary-soft);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: transform .2s ease, opacity .2s ease;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
            padding: 16px 0 0;
        }

        .breadcrumb a {
            color: var(--color-muted);
            text-decoration: none;
            transition: color .2s ease;
        }

        .breadcrumb a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        .breadcrumb__separator {
            color: #B0B7C3;
            user-select: none;
        }

        .breadcrumb__current {
            color: var(--color-ink);
            font-weight: 500;
        }

        .category-hero {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 40px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31, 42, 68, 0.55) 0%, rgba(31, 42, 68, 0.75) 60%, rgba(31, 42, 68, 0.85) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            padding-bottom: 32px;
        }

        .category-hero__title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .category-hero__desc {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
        }

        .category-hero .breadcrumb {
            color: rgba(255, 255, 255, 0.75);
            padding: 0 0 16px;
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

        .category-hero .breadcrumb a:hover {
            color: #ffffff;
        }

        .category-hero .breadcrumb__separator {
            color: rgba(255, 255, 255, 0.5);
        }

        .category-hero .breadcrumb__current {
            color: #ffffff;
            font-weight: 600;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-body {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
            margin-bottom: 32px;
        }

        .article-body h1 {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-ink);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-body .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-muted);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-ink);
            margin: 32px 0 14px;
            letter-spacing: -0.01em;
            padding-top: 8px;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-ink);
            margin: 24px 0 10px;
        }

        .article-body p {
            font-size: 15.5px;
            line-height: 1.85;
            color: var(--color-ink);
            margin-bottom: 16px;
            text-align: justify;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 18px 24px;
            background-color: var(--color-primary-soft);
            border-left: 4px solid var(--color-primary);
            border-radius: 0 12px 12px 0;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            font-style: normal;
            position: relative;
        }

        .article-body blockquote p {
            margin-bottom: 0;
            font-size: 15px;
            color: var(--color-ink);
        }

        .article-body blockquote::before {
            content: '“';
            font-size: 32px;
            color: var(--color-primary);
            font-weight: 700;
            display: block;
            line-height: 1;
            margin-bottom: 4px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 16px 24px;
            padding: 0;
        }

        .article-body li {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .article-body .article-image {
            margin: 24px 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .article-body .article-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-body .article-image figcaption {
            font-size: 13px;
            color: var(--color-muted);
            padding: 10px 16px;
            background-color: var(--bg-card);
            border-top: 1px solid var(--line);
            text-align: center;
        }

        .sidebar-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .sidebar-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .sidebar-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary-soft);
        }

        .sidebar-card__list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-card__item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            border-bottom: 1px solid var(--line);
            text-decoration: none;
            transition: color .2s ease;
        }

        .sidebar-card__item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-card__item:hover {
            text-decoration: none;
        }

        .sidebar-card__item img {
            width: 56px;
            height: 56px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .sidebar-card__item-text {
            flex: 1;
            min-width: 0;
        }

        .sidebar-card__item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.45;
            margin-bottom: 2px;
        }

        .sidebar-card__item:hover .sidebar-card__item-title {
            color: var(--color-primary-dark);
        }

        .sidebar-card__item-date {
            font-size: 12px;
            color: var(--color-muted);
        }

        .tactic-key-points {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }

        .tactic-key-point {
            background-color: var(--bg-page);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
            border: 1px solid var(--line);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .tactic-key-point:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .tactic-key-point__value {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .tactic-key-point__label {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.5;
        }

        .related-section {
            background-color: var(--color-primary-soft);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            text-decoration: none;
            transition: box-shadow .2s ease, transform .2s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            text-decoration: none;
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card__body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.4;
        }

        .related-card:hover .related-card__title {
            color: var(--color-primary-dark);
        }

        .related-card__desc {
            font-size: 13.5px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .cta-section {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 110, 243, 0.92) 0%, rgba(15, 85, 196, 0.94) 50%, rgba(31, 42, 68, 0.9) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .cta-section__text {
            flex: 1;
            min-width: 280px;
        }

        .cta-section__text h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: #ffffff;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .cta-section__text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }

        .cta-section__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        .site-footer {
            background-color: #1F2A44;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .site-footer__brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
        }

        .site-footer__links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer__links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13.5px;
            text-decoration: none;
            transition: color .2s ease;
            line-height: 1.5;
        }

        .site-footer__links a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .site-footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .site-footer__bottom-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 13px;
            transition: color .2s ease;
        }

        .site-footer__bottom-links a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        @media (max-width: 1024px) {
            .nav-search {
                min-width: 140px;
            }

            .nav-links a {
                padding: 6px 10px;
                font-size: 12.5px;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow-card);
                display: none;
                margin: 0;
                overflow-y: auto;
                max-height: 60vh;
            }

            .nav-links.is-open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                font-size: 14px;
                border-radius: 8px;
            }

            .nav-search {
                display: none;
            }

            .nav-actions .btn--sm {
                display: none;
            }

            .article-body {
                padding: 28px 22px;
            }

            .article-body h1 {
                font-size: 24px;
            }

            .article-body h2 {
                font-size: 19px;
            }

            .article-body h3 {
                font-size: 16px;
            }

            .article-body p {
                font-size: 14.5px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .site-footer__bottom-links {
                margin-left: 0;
            }

            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .nav-brand {
                font-size: 16px;
            }

            .nav-brand__logo {
                font-size: 22px;
            }

            .article-body {
                padding: 20px 16px;
            }

            .article-body h1 {
                font-size: 21px;
            }

            .article-body h2 {
                font-size: 17px;
            }

            .article-body p {
                font-size: 14px;
                line-height: 1.75;
            }

            .article-body blockquote {
                padding: 14px 16px;
            }

            .related-card img {
                height: 160px;
            }

            .tactic-key-points {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .category-hero {
                min-height: 240px;
                padding-top: calc(var(--nav-height) + 24px);
            }

            .category-hero__title {
                font-size: 24px;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1B6EF3;
            --color-primary-dark: #0F55C4;
            --color-primary-soft: #E8F1FF;
            --color-secondary: #0E8A4D;
            --color-secondary-soft: #E7F5EE;
            --color-accent: #F2B84B;
            --color-ink: #1F2A44;
            --color-muted: #5B6478;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --line: #E3E8F0;
            --shadow-card: 0 8px 24px rgba(31, 42, 68, .08);
            --shadow-hover: 0 16px 40px rgba(31, 42, 68, .14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --nav-height: 60px;
            --hero-height: calc(100vh - 60px);
            --section-padding-y: 80px;
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-ink);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: var(--section-padding-y) 0;
            position: relative;
        }

        .section--soft {
            background-color: var(--bg-page);
        }

        .section--white {
            background-color: var(--bg-card);
        }

        .section--primary-soft {
            background-color: var(--color-primary-soft);
        }

        .section--secondary-soft {
            background-color: var(--color-secondary-soft);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section__header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-muted);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
            white-space: nowrap;
        }

        .badge--secondary {
            background-color: var(--color-secondary-soft);
            color: var(--color-secondary);
        }

        .badge--accent {
            background-color: #FFF8E8;
            color: #B8860B;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            border-radius: var(--radius-btn);
            transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(27, 110, 243, 0.35);
            outline-offset: 2px;
        }

        .btn--primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        .btn--primary:hover {
            background-color: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(27, 110, 243, 0.25);
        }

        .btn--secondary {
            background-color: #ffffff;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn--secondary:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn--accent {
            background-color: var(--color-accent);
            color: #1F2A44;
        }

        .btn--accent:hover {
            background-color: #E3A83B;
            color: #1F2A44;
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.35);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        .btn--full {
            width: 100%;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            text-decoration: none;
            flex-shrink: 0;
            line-height: 1;
        }

        .nav-brand:hover {
            text-decoration: none;
            color: var(--color-primary);
        }

        .nav-brand__logo {
            font-size: 26px;
            line-height: 1;
            display: inline-flex;
            align-items: center;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            border-radius: 8px;
            text-decoration: none;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--bg-page);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 14px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 160px;
            color: var(--color-ink);
        }

        .nav-search input::placeholder {
            color: var(--color-muted);
            opacity: 0.8;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            transition: background-color .2s ease;
        }

        .nav-toggle:hover {
            background-color: var(--color-primary-soft);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: all .2s ease;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            margin-top: var(--nav-height);
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--line);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted);
            text-decoration: none;
            transition: color .2s ease;
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .breadcrumb span {
            color: var(--color-muted);
        }

        .breadcrumb .breadcrumb__current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Hero */
        .hero-category {
            padding: 48px 0 56px;
            background-color: var(--bg-card);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-category__content h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-ink);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-category__content .hero-category__subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-muted);
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-category__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-category__trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-muted);
        }

        .hero-category__trust span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-category__visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-category__visual img {
            width: 100%;
            max-width: 460px;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .hero-category__visual::after {
            content: '';
            position: absolute;
            bottom: -12px;
            right: -12px;
            width: 100%;
            max-width: 460px;
            height: 100%;
            border: 2px solid var(--color-secondary-soft);
            border-radius: var(--radius-card);
            z-index: -1;
            pointer-events: none;
        }

        /* Membership Plans */
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .plan-card {
            background-color: var(--bg-card);
            border: 1.5px solid var(--line);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .plan-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }

        .plan-card--featured {
            border-color: var(--color-primary);
            background-color: #FBFDFF;
            box-shadow: 0 12px 32px rgba(27, 110, 243, 0.12);
        }

        .plan-card--featured .plan-card__tag {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--color-accent);
            color: #1F2A44;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .plan-card__name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .plan-card__price {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .plan-card__price-note {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 20px;
        }

        .plan-card__features {
            list-style: none;
            margin-bottom: 24px;
            flex: 1;
        }

        .plan-card__features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .plan-card__features li::before {
            content: '✓';
            color: var(--color-secondary);
            font-weight: 600;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .plan-card .btn {
            width: 100%;
        }

        /* Activity Info */
        .activity-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
        }

        .activity-showcase__image img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .activity-showcase__content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .activity-list {
            list-style: none;
            margin-top: 20px;
        }

        .activity-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
            font-size: 15px;
            line-height: 1.7;
        }

        .activity-list li:last-child {
            border-bottom: none;
        }

        .activity-list__icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-secondary-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
            margin-top: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background-color: var(--line);
            border-radius: 2px;
        }

        .timeline__item {
            position: relative;
            padding-bottom: 24px;
        }

        .timeline__item:last-child {
            padding-bottom: 0;
        }

        .timeline__item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            border: 2px solid var(--bg-card);
            box-shadow: 0 0 0 2px var(--color-primary-soft);
        }

        .timeline__date {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 4px;
        }

        .timeline__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 4px;
        }

        .timeline__desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* Form */
        .form-section {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .form-section__info h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .form-section__info p {
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .form-section__benefits {
            list-style: none;
        }

        .form-section__benefits li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--color-ink);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .form-section__benefits li::before {
            content: '●';
            color: var(--color-secondary);
            font-size: 10px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .signup-form {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }

        .signup-form__title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            background-color: var(--bg-page);
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
            color: var(--color-ink);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.15);
            background-color: #fff;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--color-muted);
            opacity: 0.7;
        }

        .signup-form .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--line);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            transition: background-color .2s ease;
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-item__question:hover {
            background-color: var(--color-primary-soft);
        }

        .faq-item__number {
            width: 28px;
            height: 28px;
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .faq-item__answer {
            padding: 0 20px 18px 60px;
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            display: none;
        }

        .faq-item--open .faq-item__answer {
            display: block;
        }

        .faq-item--open .faq-item__question {
            background-color: var(--color-primary-soft);
        }

        /* CTA */
        .cta-banner {
            background-color: var(--color-ink);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            line-height: 1.3;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
        }

        /* Footer */
        .site-footer {
            background-color: #0D1B2A;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color .2s ease;
        }

        .site-footer a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer__brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer__brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            max-width: 420px;
        }

        .site-footer__links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .site-footer__links a {
            font-size: 14px;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer__bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .site-footer__bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding-y: 60px;
            }

            .hero-category .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-category__content {
                text-align: center;
            }

            .hero-category__content .hero-category__subtitle {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-category__actions {
                justify-content: center;
            }

            .hero-category__trust {
                justify-content: center;
            }

            .hero-category__visual img {
                max-width: 100%;
            }

            .hero-category__visual::after {
                max-width: 100%;
            }

            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .plans-grid .plan-card:last-child {
                grid-column: span 2;
            }

            .activity-showcase {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .form-section {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--bg-card);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow-card);
                gap: 4px;
                z-index: 99;
            }

            .nav-links.nav-links--open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 10px 12px;
                font-size: 14px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .nav-actions .btn {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding-y: 48px;
            }

            .section__title {
                font-size: 24px;
            }

            .hero-category__content h1 {
                font-size: 28px;
            }

            .plans-grid {
                grid-template-columns: 1fr;
            }

            .plans-grid .plan-card:last-child {
                grid-column: auto;
            }

            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .timeline {
                padding-left: 22px;
            }

            .timeline__item::before {
                left: -18px;
                width: 8px;
                height: 8px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-padding-y: 36px;
            }

            .section__title {
                font-size: 22px;
            }

            .hero-category__content h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .hero-category__content .hero-category__subtitle {
                font-size: 14px;
            }

            .hero-category__actions {
                flex-direction: column;
                gap: 8px;
            }

            .hero-category__actions .btn {
                width: 100%;
            }

            .hero-category__trust {
                gap: 12px;
                font-size: 12px;
            }

            .plan-card {
                padding: 24px 20px;
            }

            .plan-card__price {
                font-size: 26px;
            }

            .signup-form {
                padding: 24px 20px;
            }

            .faq-item__question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-item__answer {
                padding: 0 16px 14px 52px;
                font-size: 13px;
            }

            .cta-banner {
                padding: 32px 20px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .site-footer {
                padding: 32px 0 16px;
            }
        }