/* roulang page: index */
:root {
            --primary: #2C7BB5;
            --primary-light: #E7F2FA;
            --bg-light: #F3F8FC;
            --body-bg: #F6F9FC;
            --text-dark: #1F2A37;
            --text-muted: #66788C;
            --border-color: #DCE6F0;
            --accent-gold: #F5B942;
            --footer-bg: #16202C;
            --footer-text: #B7C4D0;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 20px rgba(28,45,61,0.06);
            --shadow-hover: 0 10px 30px rgba(28,45,61,0.10);
            --container-w: 1240px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--body-bg);
            color: var(--text-dark);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: #1f5f8f;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Topbar */
        .topbar {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2C7BB5 0%, #4690c7 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            letter-spacing: .5px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(44, 123, 181, .25);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--primary);
        }
        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            height: 38px;
            padding: 0 14px;
            width: 240px;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 123, 181, .12);
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text-dark);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-left: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 22px;
            height: 42px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: #1f6396;
            box-shadow: 0 6px 16px rgba(44, 123, 181, .28);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #1F2A37;
        }
        .btn-gold:hover {
            background: #e0a62e;
            color: #1F2A37;
            box-shadow: 0 6px 16px rgba(245, 185, 66, .3);
        }
        .btn-sm {
            height: 36px;
            padding: 0 18px;
            font-size: 14px;
        }
        /* Channel nav */
        .channel-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
        }
        .channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            width: 100%;
        }
        .channel-inner::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all .2s;
        }
        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .channel-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: #fff;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-dark);
            cursor: pointer;
        }
        @media (max-width: 1023px) {
            .search-box {
                width: 180px;
            }
        }
        @media (max-width: 767px) {
            .search-box {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .topbar {
                height: 58px;
            }
            .logo-text {
                font-size: 18px;
            }
            .channel-bar {
                display: none;
            }
            .channel-bar.open {
                display: flex;
                height: auto;
                padding: 8px 0;
                border-bottom: 1px solid var(--border-color);
            }
            .channel-inner {
                flex-wrap: wrap;
            }
        }
        /* Hero / Live preview */
        .hero-live {
            position: relative;
            background: linear-gradient(135deg, #F3F8FC 0%, #EAF2F9 50%, #F7FAFD 100%);
            padding: 72px 0;
            overflow: hidden;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(44, 123, 181, .06);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }
        .hero-live::after {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(245, 185, 66, .05);
            bottom: -60px;
            left: 10%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-cover {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16 / 10;
            background: #dbe7f0;
        }
        .hero-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-cover .cover-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 30, 45, .05) 0%, rgba(15, 30, 45, .32) 100%);
        }
        .live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(4px);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: #1F2A37;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
        }
        .live-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #e25c5c;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .5; transform: scale(.8); }
        }
        .hero-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-dark);
            letter-spacing: .5px;
        }
        .hero-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .countdown-wrap {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .count-block {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            text-align: center;
            min-width: 72px;
            box-shadow: 0 2px 10px rgba(28, 45, 61, .04);
        }
        .count-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .count-unit {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .points-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .points-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-dark);
        }
        .points-list li i {
            color: var(--primary);
            font-size: 15px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
        }
        .subscribe-form input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 15px;
            outline: none;
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 123, 181, .12);
        }
        .form-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
        }
        .hero-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-links a {
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 28px;
            }
        }
        /* Section spacing */
        .section {
            padding: 80px 0;
        }
        .section-head {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 8px;
            max-width: 560px;
        }
        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        /* News cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44, 123, 181, .35);
        }
        .news-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: #e6eef5;
        }
        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card:hover .news-cover img {
            transform: scale(1.03);
        }
        .news-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .news-tag {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            width: fit-content;
            letter-spacing: .5px;
        }
        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 51px;
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid #EFF3F7;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
        }
        @media (max-width: 1023px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 56px 0;
            }
        }
        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 56px 20px;
            background: #fff;
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-lg);
            color: var(--text-muted);
            font-size: 15px;
        }
        /* Bento grid */
        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            gap: 24px;
        }
        .bento-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            transition: transform .25s, box-shadow .25s;
        }
        .bento-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .bento-large {
            grid-row: span 2;
        }
        .bento-wide {
            grid-column: span 2;
        }
        .bento-content {
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .bento-tag {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .bento-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .bento-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .bento-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .bento-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-dark);
        }
        .bento-list li i {
            color: var(--primary);
            font-size: 14px;
            width: 16px;
        }
        .bento-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 200px;
        }
        @media (max-width: 1023px) {
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-wide {
                grid-column: span 1;
            }
            .bento-large {
                grid-row: span 1;
            }
        }
        /* FAQ */
        .faq-section {
            background: #fff;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: .7fr 1.3fr;
            gap: 60px;
        }
        .faq-left {
            padding: 8px 0;
        }
        .faq-left .section-title {
            margin-bottom: 12px;
        }
        .faq-list {
            border-top: 1px solid var(--border-color);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            min-height: 56px;
            transition: color .2s;
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all .3s;
            font-style: normal;
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: rotate(135deg);
        }
        .faq-a {
            display: none;
            padding: 0 4px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        @media (max-width: 1023px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        /* CTA */
        .cta-section {
            background: var(--bg-light);
        }
        .cta-box {
            background: #fff;
            border-radius: 20px;
            padding: 60px 48px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            max-width: 900px;
            margin: 0 auto;
        }
        .cta-sub {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .cta-desc {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        @media (max-width: 640px) {
            .cta-box {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 24px;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-icon {
            margin-bottom: 14px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #93A5B8;
            margin-top: 14px;
            max-width: 260px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--footer-text);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            font-size: 14px;
            color: #7e8fa3;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        /* JSON-LD hidden */
        .jsonld {
            display: none;
        }
        .tabular-nums {
            font-variant-numeric: tabular-nums;
        }

/* roulang page: category1 */
:root {
            --primary: #2C7BB5;
            --primary-dark: #1F6396;
            --primary-light: #E7F2FA;
            --aqua-light: #F3F8FC;
            --accent: #F5B942;
            --text-main: #1F2A37;
            --text-muted: #66788C;
            --border: #DCE6F0;
            --bg-page: #F6F9FC;
            --bg-card: #FFFFFF;
            --footer-bg: #16202C;
            --footer-text: #B7C4D0;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-default: 0 4px 20px rgba(28, 45, 61, 0.06);
            --shadow-hover: 0 10px 30px rgba(28, 45, 61, 0.10);
            --space-section: 96px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(44, 123, 181, 0.35);
            outline-offset: 2px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(28, 45, 61, 0.06);
        }
        .brand-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #164A6E);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            letter-spacing: .5px;
            box-shadow: 0 4px 12px rgba(44, 123, 181, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
        }
        .logo-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 3px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 6px 0 14px;
            height: 38px;
            width: 220px;
            transition: box-shadow .2s, border-color .2s, background .2s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 123, 181, 0.15);
            background: #fff;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 13px;
            color: var(--text-main);
            min-width: 0;
        }
        .search-box input::placeholder {
            color: #9AAAB9;
        }
        .search-box button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }
        .search-box button:hover {
            background: var(--primary-dark);
        }
        .btn-outline {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            color: var(--text-muted);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            background: #fff;
        }

        .channel-bar {
            background: var(--aqua-light);
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-inner::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all .2s;
        }
        .channel-link:hover {
            color: var(--primary);
            background: rgba(44, 123, 181, 0.08);
        }
        .channel-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            background: url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
            padding: 96px 0 88px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 32, 47, 0.85) 0%, rgba(22, 50, 72, 0.72) 50%, rgba(44, 123, 181, 0.50) 100%);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(245, 185, 66, 0.12);
            top: -160px;
            right: -80px;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }
        .category-hero p.lead {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all .2s;
            box-shadow: 0 4px 16px rgba(44, 123, 181, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(44, 123, 181, 0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all .2s;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--aqua-light);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-main);
            line-height: 1.3;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 420px;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            transition: transform .25s, box-shadow .25s, border-color .25s;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44, 123, 181, 0.35);
        }

        /* ===== Direction Cards ===== */
        .direction-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .direction-card {
            padding: 32px 28px;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-default);
            transition: all .25s;
            position: relative;
        }
        .direction-card:hover {
            border-color: rgba(44, 123, 181, 0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .direction-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }
        .direction-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .direction-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Bento ===== */
        .bento-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            grid-template-rows: auto;
            gap: 24px;
        }
        .bento-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-default);
            position: relative;
            transition: all .25s;
        }
        .bento-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .bento-feature {
            grid-row: span 2;
            min-height: 420px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            position: relative;
        }
        .bento-feature img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .bento-feature:hover img {
            transform: scale(1.03);
        }
        .bento-feature::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 32, 47, 0.88) 0%, rgba(15, 32, 47, 0.18) 55%, rgba(15, 32, 47, 0) 100%);
        }
        .bento-feature .content {
            position: relative;
            z-index: 2;
            padding: 32px;
            color: #fff;
        }
        .bento-feature .tag {
            display: inline-block;
            background: var(--accent);
            color: #1F2A37;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .bento-feature h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .bento-feature p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 440px;
        }
        .bento-small {
            padding: 28px;
            display: flex;
            gap: 18px;
            align-items: center;
            min-height: 120px;
        }
        .bento-small img {
            width: 88px;
            height: 88px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .bento-small h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .bento-small p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .bento-wide {
            grid-column: span 2;
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: linear-gradient(100deg, var(--primary-light), #fff 65%);
            border-color: rgba(44, 123, 181, 0.2);
        }
        .bento-wide .text h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .bento-wide .text p {
            font-size: 14px;
            color: var(--text-muted);
        }
        .remind-form {
            display: flex;
            gap: 10px;
            min-width: 360px;
        }
        .remind-form input {
            flex: 1;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 14px;
            background: #fff;
            transition: all .2s;
            min-width: 0;
        }
        .remind-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 123, 181, 0.15);
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 32px 24px 28px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            transition: all .25s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(245, 185, 66, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== Story Split ===== */
        .story-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .story-text h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
        }
        .story-text p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 18px;
        }
        .story-list {
            list-style: none;
            margin-top: 20px;
        }
        .story-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-main);
        }
        .story-list li i {
            color: var(--primary);
            width: 18px;
        }
        .story-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
        }
        .story-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.6fr;
            gap: 56px;
            align-items: start;
        }
        .faq-title h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .faq-title p {
            color: var(--text-muted);
            font-size: 15px;
        }
        .faq-list {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: #fff;
            min-height: 56px;
            transition: background .2s;
        }
        .faq-question:hover {
            background: var(--aqua-light);
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            transition: all .25s;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-bottom: 20px;
            padding-top: 2px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
            background: var(--aqua-light);
            position: relative;
            overflow: hidden;
        }
        .cta-inner {
            background: #fff;
            border-radius: 24px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
            padding: 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(44, 123, 181, 0.08);
            top: -120px;
            right: -120px;
        }
        .cta-inner .subtitle {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .cta-inner p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #1F2A37;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            box-shadow: 0 6px 18px rgba(245, 185, 66, 0.4);
            transition: all .25s;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(245, 185, 66, 0.5);
            filter: brightness(1.05);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo-wrap {
            color: #fff;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text small {
            color: #93A5B8;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #93A5B8;
            margin-top: 18px;
            max-width: 300px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
            line-height: 1.6;
        }
        .footer-links a {
            color: var(--footer-text);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #7E8FA1;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .direction-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .bento-feature {
                min-height: 340px;
                grid-row: span 1;
            }
            .bento-wide {
                grid-column: span 2;
                flex-direction: column;
                align-items: flex-start;
            }
            .remind-form {
                width: 100%;
                min-width: 0;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            :root {
                --space-section: 72px;
            }
        }
        @media (max-width: 768px) {
            .brand-inner {
                gap: 12px;
            }
            .search-box {
                width: 140px;
                transition: width .2s;
            }
            .search-box:focus-within {
                width: 180px;
            }
            .btn-announce {
                display: none;
            }
            .category-hero {
                padding: 72px 0 64px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-wide {
                grid-column: span 1;
            }
            .bento-feature {
                min-height: 300px;
            }
            :root {
                --space-section: 64px;
            }
        }
        @media (max-width: 640px) {
            .brand-bar {
                height: 60px;
            }
            .search-box {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .channel-bar {
                display: none;
            }
            .channel-bar.open {
                display: block;
            }
            .channel-inner {
                height: auto;
                flex-wrap: nowrap;
                padding: 12px 16px;
                gap: 6px;
            }
            .channel-link {
                padding: 8px 14px;
            }
            .direction-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .story-media img {
                min-height: 220px;
            }
            .faq-list {
                border-radius: var(--radius-md);
            }
            .faq-question {
                padding: 16px;
                font-size: 14px;
            }
            .cta-inner {
                padding: 36px 20px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .remind-form {
                flex-direction: column;
            }
            .remind-form input {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
    --primary: #2C7BB5;
    --primary-dark: #1F5F8F;
    --primary-light: #E7F2FA;
    --water: #F3F8FC;
    --accent: #F5B942;
    --accent-dark: #E0A62F;
    --ink: #1F2A37;
    --muted: #66788C;
    --border: #DCE6F0;
    --bg: #F6F9FC;
    --card: #FFFFFF;
    --footer-bg: #16202C;
    --footer-text: #B7C4D0;
    --radius-card: 16px;
    --radius-small: 12px;
    --radius-btn: 10px;
    --shadow-card: 0 4px 20px rgba(28,45,61,0.06);
    --shadow-hover: 0 10px 30px rgba(28,45,61,0.10);
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  ul, ol { list-style: none; }
  a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
  button { font-family: inherit; cursor: pointer; }
  input, textarea, select { font-family: inherit; }

  .container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: #ffffff;
    box-shadow: 0 1px 2px rgba(28,45,61,0.05);
  }
  .brand-row {
    border-bottom: 1px solid #EBF0F5;
    background: #ffffff;
  }
  .brand-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 24px;
  }
  .logo-wrap {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
  }
  .logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(44,123,181,0.25);
  }
  .logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  .logo-text small {
    font-size: 12px;
    font-weight: 400;
    color: var(--muted);
    margin-left: 4px;
    display: inline-block;
  }
  .brand-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
  }
  .search-box {
    display: flex;
    align-items: center;
    background: var(--water);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0 6px;
    height: 38px;
    width: 240px;
    transition: border-color .2s, box-shadow .2s;
  }
  .search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44,123,181,0.12);
  }
  .search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: var(--ink);
    padding: 0 12px;
    flex: 1;
    min-width: 0;
  }
  .search-box button {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .2s;
  }
  .search-box button:hover { background: var(--primary-dark); }
  .btn-outline-sm {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: all .2s ease;
  }
  .btn-outline-sm:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
  }
  .btn-primary-sm {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 38px;
    padding: 0 18px;
    border-radius: 999px;
    background: var(--primary);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    border: none;
    white-space: nowrap;
    transition: all .2s ease;
  }
  .btn-primary-sm:hover { background: var(--primary-dark); }
  .btn-primary-sm:focus-visible,
  .btn-outline-sm:focus-visible,
  .cta-btn:focus-visible {
    outline: 3px solid rgba(44,123,181,0.35);
    outline-offset: 2px;
  }
  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #ffffff;
    color: var(--ink);
    align-items: center;
    justify-content: center;
    font-size: 18px;
  }
  .menu-toggle:hover { border-color: var(--primary); color: var(--primary); }
  .menu-toggle:focus-visible { outline: 3px solid rgba(44,123,181,0.35); outline-offset: 2px; }

  .channel-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
  }
  .channel-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .channel-inner::-webkit-scrollbar { display: none; }
  .channel-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #5A6B7B;
    text-decoration: none;
    white-space: nowrap;
    transition: all .2s ease;
  }
  .channel-link:hover {
    color: var(--primary);
    background: var(--primary-light);
  }
  .channel-link.active {
    color: var(--primary);
    background: var(--primary-light);
  }

  /* ===== Breadcrumb ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 0 4px;
    font-size: 14px;
    color: var(--muted);
    overflow: hidden;
    white-space: nowrap;
  }
  .breadcrumb a { color: var(--muted); text-decoration: none; }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb i { font-size: 11px; color: #B4C1CF; flex-shrink: 0; }
  .breadcrumb span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--muted);
  }
  .breadcrumb span:last-child { color: var(--ink); font-weight: 600; }

  /* ===== Article ===== */
  .article-section { padding: 28px 0 64px; }
  .article-wrap {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 48px 56px;
    max-width: 860px;
    margin: 0 auto;
  }
  .article-head {
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
    margin-bottom: 36px;
  }
  .article-head h1 {
    font-size: 34px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 18px;
    letter-spacing: 0.4px;
    word-break: break-word;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: center;
    color: var(--muted);
    font-size: 14px;
  }
  .meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--water);
    border: 1px solid var(--border);
    padding: 5px 14px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
  }
  .meta-pill i { color: var(--primary); font-size: 12px; }

  .article-body {
    font-size: 16px;
    line-height: 1.85;
    color: #2B3A4D;
    word-break: break-word;
  }
  .article-body > * + * { margin-top: 1.15em; }
  .article-body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--ink);
    margin-top: 1.5em;
    line-height: 1.4;
  }
  .article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 1.3em;
    line-height: 1.4;
  }
  .article-body p { line-height: 1.85; }
  .article-body ul,
  .article-body ol { padding-left: 1.4em; }
  .article-body ul { list-style: disc; }
  .article-body ol { list-style: decimal; }
  .article-body li { margin-bottom: .45em; }
  .article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--water);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    color: #47576A;
    font-size: 15px;
  }
  .article-body img { border-radius: 12px; margin: 1.5em 0; box-shadow: var(--shadow-card); }
  .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; word-break: break-word; }
  .article-body a:hover { color: var(--primary-dark); }
  .article-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

  .article-back {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    padding: 8px 4px;
    border-radius: 8px;
    transition: color .2s;
  }
  .btn-text:hover { color: var(--primary); }
  .btn-text i { font-size: 13px; }

  /* Not found */
  .not-found-section { padding: 60px 0 80px; }
  .not-found-card {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 56px 32px;
  }
  .not-found-card h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
  }
  .not-found-card p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 24px;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 26px;
    border-radius: var(--radius-btn);
    box-shadow: 0 4px 14px rgba(44,123,181,0.3);
    transition: all .2s ease;
    border: none;
  }
  .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
  .btn-primary:focus-visible { outline: 3px solid rgba(44,123,181,0.35); outline-offset: 2px; }

  /* ===== Related ===== */
  .related-section { padding: 56px 0 72px; }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
  }
  .section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.3;
  }
  .section-head p { color: var(--muted); font-size: 15px; }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .related-card {
    display: block;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
  }
  .related-card:focus-visible { outline: 3px solid rgba(44,123,181,0.35); outline-offset: 2px; }
  .related-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--primary-light);
  }
  .related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .related-card:hover .related-thumb img { transform: scale(1.04); }
  .related-body { padding: 20px; }
  .related-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
  }
  .related-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.45;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .related-time { font-size: 13px; color: var(--muted); }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, #EAF3FA 0%, #F7FBFE 100%);
    padding: 64px 0;
    border-top: 1px solid #E3ECF5;
  }
  .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px 48px;
    box-shadow: var(--shadow-card);
  }
  .cta-copy p { color: var(--muted); margin-bottom: 8px; font-size: 15px; }
  .cta-copy h2 { font-size: 28px; font-weight: 800; color: var(--ink); line-height: 1.3; }
  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: #17222E;
    font-weight: 700;
    font-size: 16px;
    padding: 14px 28px;
    border-radius: var(--radius-btn);
    box-shadow: 0 4px 14px rgba(245,185,66,0.35);
    transition: background .2s, transform .2s, box-shadow .2s;
    white-space: nowrap;
  }
  .cta-btn:hover {
    background: #FFC95E;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(245,185,66,0.4);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 64px 0 0;
    margin-top: 0;
  }
  .site-footer .logo-wrap { color: #ffffff; margin-bottom: 18px; align-items: center; }
  .site-footer .logo-icon { background: rgba(255,255,255,0.12); color: #ffffff; box-shadow: none; }
  .site-footer .logo-text { color: #ffffff; }
  .site-footer .logo-text small { color: #93A5B8; }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }
  .footer-brand p { max-width: 320px; }
  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #93A5B8;
    margin-bottom: 0;
    max-width: 340px;
  }
  .footer-title {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
  }
  .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .footer-links a,
  .footer-links li {
    color: var(--footer-text);
    font-size: 14px;
    text-decoration: none;
    transition: color .2s;
    list-style: none;
  }
  .footer-links a:hover { color: #ffffff; }
  .footer-links i { margin-right: 6px; color: #6E849C; width: 16px; display: inline-block; }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    font-size: 13px;
    color: #7C909F;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .search-box { width: 180px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .brand-inner { min-height: 64px; gap: 12px; }
    .menu-toggle { display: inline-flex; }
    .brand-actions .search-box { width: 42px; padding: 0; }
    .brand-actions .search-box input { display: none; }
    .brand-actions .btn-outline-sm,
    .brand-actions .btn-primary-sm { display: none; }
    .channel-bar { display: none; border-bottom: 1px solid var(--border); position: relative; z-index: 59; }
    .channel-bar.open { display: block; box-shadow: 0 10px 30px rgba(28,45,61,0.08); }
    .channel-inner {
      height: auto;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      padding: 12px 20px;
      overflow: visible;
    }
    .channel-link { width: 100%; justify-content: flex-start; border-radius: 8px; }
    .article-wrap { padding: 32px 24px; }
    .article-head h1 { font-size: 28px; }
    .cta-inner { flex-direction: column; align-items: flex-start; padding: 28px; }
    .cta-copy h2 { font-size: 24px; }
  }
  @media (max-width: 640px) {
    .container { padding: 0 16px; }
    .related-grid { grid-template-columns: 1fr; }
    .article-section { padding: 16px 0 48px; }
    .article-wrap { padding: 24px 18px; border-radius: 16px; }
    .article-head h1 { font-size: 24px; line-height: 1.4; }
    .article-meta { flex-direction: column; align-items: flex-start; }
    .breadcrumb { font-size: 13px; }
    .section-head { flex-direction: column; gap: 8px; }
    .section-head h2 { font-size: 24px; }
    .cta-section { padding: 48px 0; }
    .cta-inner { padding: 24px 20px; }
    .cta-copy h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
    .search-box { width: 42px; }
    .btn-outline-sm, .btn-primary-sm { display: none; }
  }

/* roulang page: category2 */
:root {
    --primary: #2C7BB5;
    --primary-light: #E7F2FA;
    --water: #F3F8FC;
    --accent: #F5B942;
    --ink: #1F2A37;
    --ink-soft: #66788C;
    --line: #DCE6F0;
    --bg: #F6F9FC;
    --footer-bg: #16202C;
    --footer-text: #B7C4D0;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
.tabular-nums { font-variant-numeric: tabular-nums; }

/* ===== 顶部品牌行 ===== */
.site-header { background: #fff; position: sticky; top: 0; z-index: 60; box-shadow: 0 1px 4px rgba(28,45,61,0.04); }
.brand-bar { height: 64px; border-bottom: 1px solid var(--line); background: #fff; }
.brand-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-icon {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 13px; letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(44,123,181,0.25);
}
.brand-right { display: flex; align-items: center; gap: 12px; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box .fa-search { position: absolute; left: 12px; color: var(--ink-soft); font-size: 13px; }
.search-input {
    height: 36px; width: 220px; border: 1px solid var(--line);
    border-radius: 10px; padding: 0 12px 0 34px; font-size: 14px;
    background: var(--bg); transition: all .2s;
}
.search-input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(44,123,181,.12); }
.icon-btn {
    width: 36px; height: 36px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--ink-soft); font-size: 15px;
    transition: all .2s; background: transparent; border: none; cursor: pointer;
}
.icon-btn:hover { background: var(--primary-light); color: var(--primary); }

/* ===== 频道行 ===== */
.channel-bar { background: #fff; border-bottom: 1px solid var(--line); }
.channel-inner { display: flex; align-items: center; gap: 6px; height: 48px; overflow-x: auto; scrollbar-width: none; }
.channel-inner::-webkit-scrollbar { display: none; }
.channel-link {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 999px;
    font-size: 14px; font-weight: 500; color: var(--ink-soft);
    white-space: nowrap; transition: all .2s;
}
.channel-link:hover { color: var(--primary); background: var(--primary-light); }
.channel-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }

/* ===== 按钮 ===== */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--primary); color: #fff;
    padding: 12px 24px; border-radius: 10px;
    font-weight: 600; font-size: 15px;
    transition: all .2s; border: none; cursor: pointer;
    box-shadow: 0 4px 16px rgba(44,123,181,.18);
}
.btn-primary:hover { background: #25699D; box-shadow: 0 8px 24px rgba(44,123,181,.28); transform: translateY(-1px); }
.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--primary);
    border: 1.5px solid var(--primary);
    padding: 11px 22px; border-radius: 10px;
    font-weight: 600; font-size: 14px;
    transition: all .2s; cursor: pointer;
}
.btn-outline:hover { background: var(--primary-light); transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(44,123,181,.35); outline-offset: 2px; }

/* ===== Hero ===== */
.category-hero {
    background: linear-gradient(135deg, #EAF2F9 0%, #F6F9FC 55%, #FFFFFF 100%);
    position: relative; overflow: hidden;
    padding: 88px 0 80px;
}
.category-hero .bg-img { position: absolute; inset: 0; object-fit: cover; opacity: 0.32; }
.category-hero .hero-content { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--accent); color: #5B3A00;
    padding: 5px 14px; border-radius: 999px;
    font-size: 13px; font-weight: 700;
}
.hero-title { font-size: 40px; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; }
.hero-sub { font-size: 17px; color: var(--ink-soft); max-width: 540px; }

/* ===== 通用区块 ===== */
.section { padding: 88px 0; }
.section-title { font-size: 28px; font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; }
.section-desc { color: var(--ink-soft); font-size: 15px; max-width: 640px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--primary-light); color: var(--primary);
    font-size: 13px; font-weight: 700;
    padding: 4px 12px; border-radius: 999px;
}

/* ===== 卡片 ===== */
.card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); box-shadow: 0 4px 20px rgba(28,45,61,0.06);
    transition: transform .25s, box-shadow .25s, border-color .25s;
    overflow: hidden;
}
.card:hover { box-shadow: 0 10px 30px rgba(28,45,61,0.10); transform: translateY(-3px); border-color: rgba(44,123,181,.25); }
.card-cover { aspect-ratio: 16/9; overflow: hidden; border-radius: 16px 16px 0 0; position: relative; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-cover img { transform: scale(1.03); }
.card-body { padding: 20px 22px 22px; }
.badge {
    display: inline-flex; align-items: center;
    background: var(--primary-light); color: var(--primary);
    padding: 3px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 600;
}

/* ===== 左文右图 ===== */
.split-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media { border-radius: 18px; overflow: hidden; box-shadow: 0 12px 32px rgba(28,45,61,0.10); border: 1px solid var(--line); }

/* ===== 特点项 ===== */
.feature-item {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-md); padding: 24px;
    transition: all .25s; height: 100%;
}
.feature-item:hover { box-shadow: 0 10px 24px rgba(28,45,61,0.08); border-color: rgba(44,123,181,.2); }
.feature-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; margin-bottom: 14px;
}

/* ===== 流程 ===== */
.step-item { position: relative; padding-left: 28px; }
.step-line { position: absolute; left: 10px; top: 30px; bottom: 0; width: 2px; background: var(--line); }
.step-item:last-child .step-line { display: none; }
.step-dot {
    position: absolute; left: 0; top: 6px;
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--primary-light); border: 2px solid var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 10px; font-weight: 700; color: var(--primary);
}

/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 4px; cursor: pointer; min-height: 56px;
    font-weight: 600; font-size: 16px; transition: color .2s;
}
.faq-q:hover { color: var(--primary); }
.faq-icon {
    width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 16px; transition: all .3s; flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--primary); background: var(--primary-light); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 30px 20px 4px; color: var(--ink-soft); font-size: 15px; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, #2C7BB5 0%, #3A90C4 100%); border-radius: 24px; overflow: hidden; position: relative; }

/* ===== Footer ===== */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding: 64px 0 0; margin-top: 88px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 40px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; font-size: 14px; }
.footer-links a { color: var(--footer-text); transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; font-size: 13px; color: #7B8A99; }
.footer-desc { color: #93A5B8; font-size: 14px; margin: 14px 0 0; max-width: 320px; line-height: 1.7; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .section { padding: 64px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .split-wrap { grid-template-columns: 1fr; gap: 36px; }
    .hero-title { font-size: 34px; }
}
@media (max-width: 768px) {
    .search-input { display: none; }
    .category-hero { padding: 56px 0; }
    .hero-title { font-size: 28px; }
    .section-title { font-size: 24px; }
    .brand-contact { display: none; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
    .btn-primary, .btn-outline { width: 100%; justify-content: center; }
    .hero-sub { font-size: 15px; }
    .channel-link { padding: 6px 12px; font-size: 13px; }
}