/* roulang page: index */
/* ==================== CSS Variables ==================== */
        :root {
            --c-primary: #2B6FBF;
            --c-primary-dark: #1F5799;
            --c-secondary-bg: #EAF3FB;
            --c-accent: #F0A030;
            --c-accent-dark: #D98920;
            --c-bg: #F7FAFC;
            --c-card-bg: #FFFFFF;
            --c-text: #1F2D3D;
            --c-text-secondary: #5B6B7C;
            --c-text-muted: #8A99A8;
            --c-border: #E5ECF4;
            --c-success: #2FA58A;
            --font-main: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 2px 8px rgba(31, 45, 61, 0.05);
            --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
            --container-w: 1140px;
            --header-h: 72px;
            --section-space: 96px;
            --transition-speed: 0.25s;
        }

        /* ==================== Reset / Base ==================== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            margin-bottom: 0.8em;
            font-weight: 700;
            line-height: 1.3;
            color: var(--c-text);
        }
        p {
            margin-top: 0;
            margin-bottom: 1em;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--c-primary-dark);
        }
        a:focus-visible {
            outline: 2px dashed rgba(43, 111, 191, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            max-width: var(--container-w);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
            width: 100%;
        }

        /* ==================== Buttons ==================== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-main);
            line-height: 1.4;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            text-decoration: none;
            white-space: nowrap;
            height: 44px;
        }
        .btn-primary-brand {
            background-color: var(--c-accent);
            color: #fff;
        }
        .btn-primary-brand:hover {
            background-color: var(--c-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 160, 48, 0.3);
        }
        .btn-secondary-brand {
            background-color: var(--c-primary);
            color: #fff;
        }
        .btn-secondary-brand:hover {
            background-color: var(--c-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(43, 111, 191, 0.25);
        }
        .btn-outline-brand {
            background-color: transparent;
            color: var(--c-primary);
            border: 2px solid var(--c-primary);
            padding: 8px 24px;
        }
        .btn-outline-brand:hover {
            background-color: var(--c-primary);
            color: #fff;
        }
        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-weight: 600;
            font-size: 15px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 0;
            transition: all var(--transition-speed) ease;
            text-decoration: none;
        }
        .btn-text-link:hover {
            color: var(--c-primary-dark);
        }
        .btn-text-link i {
            transition: transform var(--transition-speed) ease;
        }
        .btn-text-link:hover i {
            transform: translateX(4px);
        }

        /* ==================== Navigation ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--c-border);
            height: var(--header-h);
        }
        .site-header .navbar {
            padding: 0;
            height: var(--header-h);
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
            font-size: 20px;
            font-weight: 800;
            color: var(--c-text);
        }
        .site-header .navbar-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--c-primary), #4a9be0);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 4px;
            margin: 0 auto;
        }
        .site-header .navbar-nav .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-secondary);
            border-radius: 999px;
            transition: all 0.2s ease;
            position: relative;
        }
        .site-header .navbar-nav .nav-link:hover {
            color: var(--c-primary);
            background-color: var(--c-secondary-bg);
        }
        .site-header .navbar-nav .nav-link.active {
            color: #fff;
            background-color: var(--c-primary);
        }
        .site-header .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-header .navbar-actions .btn-search {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: none;
            background: var(--c-secondary-bg);
            color: var(--c-primary);
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .site-header .navbar-actions .btn-search:hover {
            background: var(--c-primary);
            color: #fff;
        }
        .site-header .navbar-toggler {
            border: none;
            background: none;
            padding: 8px;
            border-radius: 10px;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(43, 111, 191, 0.15);
        }
        .site-header .navbar-toggler i {
            font-size: 22px;
            color: var(--c-text);
        }

        /* Mobile nav adjustments */
        @media (max-width: 991px) {
            .site-header .navbar-nav {
                margin: 0;
                padding: 16px 0;
                gap: 8px;
            }
            .site-header .navbar-nav .nav-link {
                padding: 12px 20px;
                font-size: 16px;
            }
            .site-header .navbar-collapse {
                background: #fff;
                padding: 0 16px 16px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 8px 24px rgba(31, 45, 61, 0.06);
                border-radius: 0 0 16px 16px;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                z-index: 1040;
            }
            .site-header .navbar-actions {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 62px;
            }
            .site-header .navbar {
                height: 62px;
            }
            .site-header .navbar-brand .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

        /* ==================== Hero ==================== */
        .hero-section {
            min-height: 80vh;
            position: relative;
            display: flex;
            align-items: center;
            padding: 72px 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(234, 243, 251, 0.94), rgba(255, 255, 255, 0.88));
            z-index: -1;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-left {
            max-width: 560px;
        }
        .hero-left .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(43, 111, 191, 0.1);
            border: 1px solid rgba(43, 111, 191, 0.18);
            color: var(--c-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-left .hero-badge i {
            font-size: 14px;
        }
        .hero-left h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--c-text);
        }
        .hero-left .hero-sub {
            font-size: 17px;
            color: var(--c-text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 360px;
        }
        .hero-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 24px 60px rgba(31, 45, 61, 0.15);
            padding: 28px;
            width: 300px;
            transform: rotate(2deg);
            transition: transform 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .hero-card:hover {
            transform: rotate(0deg) translateY(-4px);
        }
        .hero-card .hero-card-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }
        .hero-card .hero-card-top .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--c-secondary-bg);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .hero-card .hero-card-top .live-tag {
            background: rgba(47, 165, 138, 0.1);
            color: var(--c-success);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .hero-card .hero-card-content {
            text-align: left;
        }
        .hero-card .hero-card-content .card-metric {
            font-size: 32px;
            font-weight: 800;
            color: var(--c-text);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero-card .hero-card-content .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 6px;
        }
        .hero-card .hero-card-content .card-desc {
            font-size: 13px;
            color: var(--c-text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .hero-card .card-progress {
            height: 6px;
            background: var(--c-border);
            border-radius: 999px;
            overflow: hidden;
        }
        .hero-card .card-progress-bar {
            height: 100%;
            width: 70%;
            background: var(--c-accent);
            border-radius: 999px;
        }

        @media (max-width: 991px) {
            .hero-section {
                min-height: auto;
                padding: 48px 0 64px;
                text-align: center;
            }
            .hero-left {
                margin: 0 auto;
                max-width: 640px;
            }
            .hero-ctas {
                justify-content: center;
            }
            .hero-visual {
                margin-top: 40px;
                min-height: auto;
            }
        }
        @media (max-width: 767px) {
            .hero-section {
                padding: 32px 0 48px;
            }
            .hero-left h1 {
                font-size: 28px;
            }
            .hero-left .hero-sub {
                font-size: 15px;
            }
            .hero-card {
                width: 100%;
                max-width: 320px;
            }
        }

        /* ==================== Section Generics ==================== */
        .section {
            padding: var(--section-space) 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
        }
        .section-header .section-title-wrap {
            max-width: 640px;
        }
        .section-header .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            display: block;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--c-text);
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--c-text-secondary);
            margin-bottom: 0;
        }
        .section-header .section-link {
            flex-shrink: 0;
        }

        .section-danger {
            padding: 56px 0;
        }

        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }

        /* ==================== Trust / Stats ==================== */
        .trust-bar {
            background: #fff;
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
            padding: 28px 0;
        }
        .trust-bar .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .trust-bar .stat-item {
            text-align: center;
            padding: 8px 16px;
        }
        .trust-bar .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--c-primary);
            line-height: 1.2;
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }
        .trust-bar .stat-label {
            font-size: 14px;
            color: var(--c-text-secondary);
        }
        @media (max-width: 767px) {
            .trust-bar .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .trust-bar .stat-number {
                font-size: 24px;
            }
        }

        /* ==================== Cards ==================== */
        .card-custom {
            background: var(--c-card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-custom .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--c-secondary-bg);
        }
        .card-custom .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .card-custom:hover .card-cover img {
            transform: scale(1.03);
        }
        .card-custom .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--c-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
            z-index: 2;
        }
        .card-custom .card-badge.blue {
            background: var(--c-primary);
        }
        .card-custom .card-body-custom {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-custom .card-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--c-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 54px;
        }
        .card-custom .card-excerpt {
            font-size: 14px;
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--c-text-muted);
            border-top: 1px solid var(--c-border);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-custom .card-meta i {
            font-size: 12px;
            margin-right: 4px;
        }

        /* Hot grid special */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .hot-grid .feature-card {
            grid-column: span 2;
        }
        .hot-grid .feature-card .card-title {
            font-size: 22px;
        }
        .hot-grid .feature-card .card-excerpt {
            -webkit-line-clamp: 3;
            line-clamp: 3;
        }
        @media (max-width: 991px) {
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .hot-grid .feature-card {
                grid-column: span 2;
            }
        }
        @media (max-width: 767px) {
            .hot-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hot-grid .feature-card {
                grid-column: span 1;
            }
        }

        /* ==================== Content List / News ==================== */
        .news-section {
            background: var(--c-bg);
        }
        .news-left {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            height: 100%;
        }
        .news-left .news-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--c-border);
            transition: background 0.2s ease;
        }
        .news-left .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item .news-thumb {
            width: 120px;
            height: 76px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--c-secondary-bg);
        }
        .news-list-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 4px;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item:hover .news-title {
            color: var(--c-primary);
        }
        .news-list-item .news-excerpt {
            font-size: 13px;
            color: var(--c-text-secondary);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-meta {
            font-size: 12px;
            color: var(--c-text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .news-list-item .news-meta .cat-tag {
            color: var(--c-primary);
            font-weight: 600;
            font-size: 12px;
            background: var(--c-secondary-bg);
            padding: 2px 10px;
            border-radius: 999px;
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: 24px;
            height: 100%;
        }
        .news-sidebar .sidebar-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--c-primary);
            display: inline-block;
        }
        .news-sidebar .hot-rank-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-sidebar .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 12px;
            transition: background 0.2s ease;
        }
        .news-sidebar .hot-rank-item:hover {
            background: var(--c-secondary-bg);
        }
        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--c-secondary-bg);
            color: var(--c-primary);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .rank-num.top {
            background: var(--c-accent);
            color: #fff;
        }
        .rank-text {
            font-size: 14px;
            color: var(--c-text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .empty-state {
            text-align: center;
            padding: 48px 16px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px dashed var(--c-border);
        }
        .empty-state i {
            font-size: 40px;
            color: var(--c-text-muted);
            margin-bottom: 12px;
            opacity: 0.4;
        }
        .empty-state p {
            font-size: 15px;
            color: var(--c-text-secondary);
            margin-bottom: 0;
        }

        @media (max-width: 767px) {
            .news-left {
                padding: 16px;
            }
            .news-list-item {
                flex-direction: column;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16 / 9;
            }
            .news-sidebar {
                margin-top: 20px;
            }
        }

        /* ==================== Testimonials Carousel ==================== */
        .testimonials-section {
            background: var(--c-secondary-bg);
            padding: var(--section-space) 0;
            overflow: hidden;
        }
        .testimonials-section .section-header h2 {
            color: var(--c-text);
        }
        .testimonial-carousel .carousel-inner {
            padding: 20px 0;
        }
        .testimonial-carousel .carousel-item {
            transition: transform 0.6s ease;
        }
        .testimonial-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            padding: 36px;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            text-align: left;
        }
        .testimonial-card::before {
            content: "“";
            position: absolute;
            top: 12px;
            left: 24px;
            font-size: 64px;
            color: var(--c-primary);
            opacity: 0.15;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .testimonial-card .quote-icon {
            font-size: 36px;
            color: var(--c-primary);
            opacity: 0.25;
            margin-bottom: 8px;
        }
        .testimonial-card .testimonial-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            margin-bottom: 20px;
        }
        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .testimonial-author img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--c-secondary-bg);
        }
        .testimonial-card .testimonial-author .author-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--c-text);
        }
        .testimonial-card .testimonial-author .author-title {
            font-size: 13px;
            color: var(--c-text-muted);
        }
        .testimonial-stars {
            color: var(--c-accent);
            font-size: 14px;
            letter-spacing: 2px;
            margin-left: auto;
        }
        .testimonial-carousel .carousel-indicators {
            position: static;
            margin-top: 24px;
            display: flex;
            justify-content: center;
            gap: 8px;
        }
        .testimonial-carousel .carousel-indicators button {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background-color: rgba(43, 111, 191, 0.3);
            border: none;
            transition: all 0.3s ease;
        }
        .testimonial-carousel .carousel-indicators button.active {
            background-color: var(--c-primary);
            width: 28px;
        }
        .testimonial-carousel .carousel-control-prev,
        .testimonial-carousel .carousel-control-next {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--c-border);
            color: var(--c-primary);
            opacity: 1;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }
        .testimonial-carousel .carousel-control-prev {
            left: 20px;
        }
        .testimonial-carousel .carousel-control-next {
            right: 20px;
        }
        .testimonial-carousel .carousel-control-prev:hover,
        .testimonial-carousel .carousel-control-next:hover {
            background: var(--c-primary);
            border-color: var(--c-primary);
            color: #fff;
        }
        @media (max-width: 767px) {
            .testimonials-section {
                padding: 56px 0;
            }
            .testimonial-card {
                padding: 24px;
            }
            .testimonial-carousel .carousel-control-prev,
            .testimonial-carousel .carousel-control-next {
                display: none;
            }
        }

        /* ==================== Guarantee ==================== */
        .guarantee-section {
            background: #fff;
            padding: 64px 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .guarantee-item {
            text-align: center;
            padding: 24px 16px;
            transition: transform 0.2s ease;
        }
        .guarantee-item:hover {
            transform: translateY(-4px);
        }
        .guarantee-item .guarantee-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--c-secondary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--c-primary);
            transition: all 0.2s ease;
        }
        .guarantee-item:hover .guarantee-icon {
            background: var(--c-primary);
            color: #fff;
        }
        .guarantee-item .guarantee-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 6px;
        }
        .guarantee-item .guarantee-text {
            font-size: 13px;
            color: var(--c-text-muted);
            line-height: 1.6;
        }
        @media (max-width: 991px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 767px) {
            .guarantee-section {
                padding: 40px 0;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
            .guarantee-item {
                padding: 16px 8px;
            }
        }

        /* ==================== CTA ==================== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            isolation: isolate;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 50, 74, 0.85), rgba(31, 45, 61, 0.9));
            z-index: -1;
        }
        .cta-section .cta-title {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-primary-brand {
            font-size: 17px;
            padding: 14px 36px;
            height: auto;
        }
        @media (max-width: 767px) {
            .cta-section {
                padding: 64px 0;
            }
            .cta-section .cta-title {
                font-size: 24px;
            }
            .cta-section .btn-primary-brand {
                width: 100%;
                max-width: 320px;
            }
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            background: var(--c-bg);
            padding: var(--section-space) 0;
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }
        .faq-item .faq-title {
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            transition: background 0.2s ease;
            user-select: none;
        }
        .faq-item .faq-title .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--c-secondary-bg);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-item.active {
            border-left: 3px solid var(--c-primary);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--c-primary);
            color: #fff;
        }
        .faq-item .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item .faq-body-inner {
            padding: 0 28px 22px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--c-text-secondary);
        }

        @media (max-width: 767px) {
            .faq-section {
                padding: 56px 0;
            }
            .faq-item .faq-title {
                padding: 16px 20px;
                font-size: 15px;
            }
            .faq-item .faq-body-inner {
                padding: 0 20px 16px;
                font-size: 14px;
            }
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: #16324A;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }
        .site-footer .footer-top {
            padding-bottom: 40px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-accent);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .site-footer .footer-brand .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .site-footer p.footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .site-footer .footer-links a:hover {
            color: var(--c-accent);
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
        }
        .site-footer .footer-contact i {
            color: var(--c-accent);
            width: 18px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ==================== Responsive Global ==================== */
        @media (max-width: 1199px) {
            .hot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hot-grid .feature-card {
                grid-column: span 2;
            }
        }
        @media (max-width: 991px) {
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-top {
                padding-bottom: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        /* Accordion custom fallback (details/summary) */
        .faq-item details {
            display: block;
        }
        .faq-item details .faq-body {
            max-height: none;
        }
        .faq-item .faq-body {
            display: none;
        }
        .faq-item.open .faq-body {
            display: block;
        }

/* roulang page: category1 */
:root {
    --primary: #2B6FBF;
    --primary-dark: #1F5799;
    --primary-light: #EAF3FB;
    --accent: #F0A030;
    --accent-dark: #D98920;
    --bg: #F7FAFC;
    --card-bg: #FFFFFF;
    --text: #1F2D3D;
    --text-secondary: #5B6B7C;
    --text-muted: #8A99A8;
    --border: #E5ECF4;
    --success: #2FA58A;
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-tag: 999px;
    --shadow-card: 0 2px 8px rgba(31, 45, 61, 0.05);
    --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
    --shadow-nav: 0 4px 16px rgba(31, 45, 61, 0.06);
    --transition: 0.25s ease;
    --font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1140px; padding-left: 24px; padding-right: 24px; }

.section-padding { padding: 96px 0; }
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text);
    margin-bottom: 12px;
}
.section-head p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0;
}
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-tag);
    margin-bottom: 16px;
}

/* ======== Header / Nav ======== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-nav);
}
.site-header .navbar {
    min-height: 72px;
    padding: 0;
    flex-wrap: nowrap;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    padding: 0;
    margin-right: 0;
}
.navbar-brand:hover { color: var(--primary); }
.navbar-brand .logo-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-tag);
    transition: all 0.2s ease;
}
.navbar-nav .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.navbar-nav .nav-link.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(43, 111, 191, 0.28);
}
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 8px;
}
.btn-search {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 15px;
    transition: all 0.2s ease;
}
.btn-search:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}
.btn-search:focus {
    outline: 2px dashed rgba(43, 111, 191, 0.4);
    outline-offset: 2px;
}
.btn {
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: all 0.25s ease;
}
.btn-primary-brand {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 24px;
    font-size: 14px;
}
.btn-primary-brand:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(43, 111, 191, 0.30);
}
.btn-primary-brand:focus, .btn-accent:focus {
    outline: 2px dashed rgba(43, 111, 191, 0.4);
    outline-offset: 2px;
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 12px 28px;
    font-size: 15px;
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(240, 160, 48, 0.35);
}
.btn-outline-light-custom {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    padding: 12px 28px;
    font-size: 15px;
}
.btn-outline-light-custom:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(43, 111, 191, 0.22);
}
.navbar-toggler {
    border: none;
    padding: 8px 12px;
    color: var(--text);
    font-size: 20px;
    box-shadow: none;
    outline: none;
}
.navbar-toggler:focus {
    outline: 2px dashed rgba(43, 111, 191, 0.4);
    outline-offset: 2px;
    box-shadow: none;
}

/* ======== Page Banner (Category Hero) ======== */
.category-banner {
    position: relative;
    padding: 100px 0 96px;
    background: linear-gradient(135deg, rgba(234, 243, 251, 0.96), rgba(255, 255, 255, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-bottom: 1px solid var(--border);
    min-height: 460px;
    display: flex;
    align-items: center;
}
.category-banner .banner-content { max-width: 640px; }
.category-banner .banner-tag {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: var(--radius-tag);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}
.category-banner h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 20px;
}
.category-banner h1 span { color: var(--primary); }
.category-banner p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 520px;
}
.banner-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ======== Intro Section ======== */
.intro-section {
    padding: 88px 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
}
.intro-section .intro-copy h2 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
}
.intro-section .intro-copy p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 0;
}
.intro-section .intro-copy .lead-line {
    color: var(--text);
    font-weight: 600;
    font-size: 17px;
    margin-bottom: 12px;
}
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}
.stat-item {
    text-align: center;
    padding: 24px 12px;
    background: var(--primary-light);
    border-radius: var(--radius-card);
    border: 1px solid rgba(43, 111, 191, 0.08);
}
.stat-item .stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.stat-item .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    line-height: 1.4;
}

/* ======== Featured Cards Grid ======== */
.featured-section {
    padding: 96px 0;
    background: var(--bg);
}
.featured-section .card-grid { display: flex; flex-wrap: wrap; }
.feature-card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.feature-card .card-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--primary-light);
}
.feature-card .card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.feature-card:hover .card-cover img { transform: scale(1.03); }
.feature-card .card-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(31, 45, 61, 0.18) 100%);
    pointer-events: none;
}
.card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-tag);
    letter-spacing: 0.3px;
}
.card-badge.blue {
    background: var(--primary);
    color: #fff;
}
.card-body-custom {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.card-body-custom h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.55;
    margin-bottom: 10px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}
.feature-card:hover .card-body-custom h3 { color: var(--primary); }
.card-body-custom p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 14px;
}
.card-meta .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    transition: gap 0.2s ease;
}
.card-meta .card-link:hover { gap: 10px; color: var(--primary-dark); }
.card-meta .card-link i { font-size: 12px; }

/* ======== Features / Selling Points ======== */
.features-section {
    padding: 96px 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.feature-block {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    height: 100%;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.feature-block:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.feature-block .feature-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 21px;
    border-radius: 14px;
    margin-bottom: 20px;
}
.feature-block h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}
.feature-block p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ======== Timeline ======== */
.timeline-section {
    padding: 96px 0;
    background: var(--bg);
}
.timeline-wrap {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
}
.timeline-wrap::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 24px;
    bottom: 32px;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 3px;
}
.timeline-item {
    position: relative;
    padding: 0 0 40px 76px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item .timeline-dot {
    position: absolute;
    left: 8px;
    top: 8px;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(43, 111, 191, 0.25);
    z-index: 1;
}
.timeline-item .timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease;
}
.timeline-item .timeline-content:hover { box-shadow: var(--shadow-hover); }
.timeline-item .timeline-time {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}
.timeline-item .timeline-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}
.timeline-item .timeline-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ======== CTA Section ======== */
.cta-section {
    padding: 0;
    background: var(--card-bg);
}
.cta-box {
    position: relative;
    padding: 72px 48px;
    border-radius: 24px;
    background: linear-gradient(90deg, rgba(22, 50, 74, 0.88), rgba(43, 111, 191, 0.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    text-align: center;
    color: #fff;
    margin: 64px 0;
    overflow: hidden;
}
.cta-box h2 {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.cta-box p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.88);
    max-width: 560px;
    margin: 0 auto 28px;
    line-height: 1.8;
}
.cta-box .btn-accent {
    padding: 14px 36px;
    font-size: 16px;
}

/* ======== FAQ ======== */
.faq-section {
    padding: 96px 0;
    background: var(--bg);
}
.faq-section .accordion {
    max-width: 760px;
    margin: 0 auto;
}
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 16px;
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: var(--shadow-card);
}
.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding: 20px 24px;
    background: transparent;
    box-shadow: none;
    border: none;
    transition: background 0.2s ease, color 0.2s ease;
}
.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: rgba(43, 111, 191, 0.04);
    box-shadow: none;
}
.accordion-button:focus {
    outline: 2px dashed rgba(43, 111, 191, 0.4);
    outline-offset: -2px;
    box-shadow: none;
}
.accordion-button::after {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\2b";
    font-size: 18px;
    background-image: none;
    width: auto;
    height: auto;
    color: var(--primary);
    transition: transform 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    flex-shrink: 0;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    color: var(--primary);
}
.accordion-body {
    padding: 0 24px 20px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    border-top: 1px dashed var(--border);
    margin-top: 0;
}

/* ======== Footer ======== */
.site-footer {
    background: #16324A;
    color: rgba(255, 255, 255, 0.78);
    padding: 64px 0 0;
    font-size: 14px;
}
.site-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.site-footer .footer-brand .logo-icon {
    width: 38px;
    height: 38px;
    background: var(--primary);
    color: #fff;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
}
.site-footer .footer-brand .brand-name {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
.site-footer .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    max-width: 340px;
    margin-bottom: 0;
}
.site-footer .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.site-footer .footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.site-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer .footer-links li { margin-bottom: 10px; }
.site-footer .footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.site-footer .footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.site-footer .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}
.site-footer .footer-contact li i {
    width: 20px;
    color: var(--accent);
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 48px;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ======== Responsive ======== */
@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        position: fixed;
        top: 0;
        right: 0;
        width: 320px;
        height: 100vh;
        background: #fff;
        padding: 32px 20px;
        box-shadow: -8px 0 30px rgba(31, 45, 61, 0.12);
        z-index: 1040;
        overflow-y: auto;
        display: block;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    .site-header .navbar-collapse.show {
        transform: translateX(0);
    }
    .site-header .navbar-collapse .navbar-nav {
        flex-direction: column;
        gap: 8px;
        margin: 32px 0;
    }
    .site-header .navbar-collapse .nav-link {
        font-size: 16px;
        padding: 12px 16px;
    }
    .navbar-actions {
        margin-left: 0;
        justify-content: flex-start;
        border-top: 1px solid var(--border);
        padding-top: 16px;
    }
    .category-banner {
        padding: 72px 0 64px;
        min-height: 0;
    }
    .category-banner h1 { font-size: 34px; }
    .intro-section { padding: 64px 0; }
    .intro-section .stat-grid {
        margin-top: 32px;
        gap: 12px;
    }
    .stat-item .stat-num { font-size: 26px; }
    .featured-section { padding: 64px 0; }
    .features-section { padding: 64px 0; }
    .timeline-section { padding: 64px 0; }
    .faq-section { padding: 64px 0; }
    .section-head h2 { font-size: 24px; }
    .cta-box { padding: 48px 28px; margin: 48px 0; }
    .cta-box h2 { font-size: 24px; }
}

@media (max-width: 767.98px) {
    .category-banner {
        padding: 56px 0 48px;
    }
    .category-banner h1 {
        font-size: 28px;
        line-height: 1.35;
    }
    .category-banner p {
        font-size: 15px;
        line-height: 1.75;
    }
    .banner-actions .btn {
        width: 100%;
    }
    .stat-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .section-padding { padding: 56px 0; }
    .section-head { margin-bottom: 32px; }
    .section-head h2 { font-size: 22px; }
    .featured-section .row > [class*="col-"] {
        margin-bottom: 16px;
    }
    .timeline-wrap::before { left: 18px; }
    .timeline-item { padding-left: 60px; }
    .timeline-item .timeline-dot {
        width: 32px;
        height: 32px;
        left: 6px;
        font-size: 12px;
    }
    .timeline-item .timeline-content {
        padding: 18px;
    }
    .cta-box {
        padding: 40px 20px;
        margin: 40px 0;
        border-radius: 16px;
    }
    .cta-box p { font-size: 15px; }
    .accordion-button {
        font-size: 15px;
        padding: 16px 18px;
    }
    .accordion-body { padding: 0 18px 16px; }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }
    .site-footer {
        padding-top: 48px;
    }
}

@media (max-width: 575.98px) {
    .category-banner .banner-tag {
        font-size: 12px;
        padding: 5px 14px;
    }
    .category-banner h1 {
        font-size: 26px;
    }
    .category-banner p {
        font-size: 14px;
    }
    .stat-item .stat-num { font-size: 22px; }
    .stat-item .stat-label { font-size: 12px; }
    .feature-block {
        padding: 24px 20px;
    }
    .timeline-item .timeline-content h3 {
        font-size: 16px;
    }
}

@media (min-width: 992px) {
    .navbar-nav { margin: 0 auto; }
    .navbar-collapse { justify-content: center; }
}

@media (min-width: 1200px) {
    .navbar-brand { margin-right: 24px; }
}

/* roulang page: article */
:root {
        --primary: #2B6FBF;
        --primary-dark: #1F5799;
        --secondary: #EAF3FB;
        --accent: #F0A030;
        --accent-dark: #D98920;
        --bg: #F7FAFC;
        --card-bg: #FFFFFF;
        --text: #1F2D3D;
        --text-muted: #5B6B7C;
        --text-light: #8A99A8;
        --border: #E5ECF4;
        --success: #2FA58A;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow: 0 2px 8px rgba(31, 45, 61, 0.05);
        --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
        --font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --transition: all 0.25s ease;
    }
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-family);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: var(--primary);
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
    }
    a:focus-visible, button:focus-visible, input:focus-visible {
        outline: 2px dashed rgba(43, 111, 191, 0.4);
        outline-offset: 2px;
    }
    img {
        max-width: 100%;
        display: block;
    }
    .container {
        max-width: 1140px;
        padding-left: 24px;
        padding-right: 24px;
        margin: 0 auto;
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        height: 72px;
        box-shadow: 0 4px 16px rgba(31, 45, 61, 0.04);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .navbar {
        padding: 0;
        width: 100%;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 20px;
        color: var(--text);
        padding: 0;
    }
    .navbar-brand:hover {
        color: var(--text);
    }
    .logo-icon {
        display: inline-flex;
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--primary);
        color: #fff;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .navbar-nav {
        gap: 4px;
    }
    .nav-link {
        font-size: 15px;
        font-weight: 500;
        padding: 8px 14px;
        border-radius: 24px;
        color: var(--text);
        transition: var(--transition);
    }
    .nav-link:hover {
        color: var(--primary);
        background: var(--secondary);
    }
    .nav-link.active {
        background: var(--primary);
        color: #fff;
    }
    .nav-link.active:hover {
        color: #fff;
        background: var(--primary-dark);
    }
    .navbar-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .btn-search {
        width: 40px;
        height: 40px;
        border: none;
        background: var(--secondary);
        border-radius: 50%;
        color: var(--primary);
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        cursor: pointer;
    }
    .btn-search:hover {
        background: var(--primary);
        color: #fff;
    }
    .btn-search:active {
        transform: scale(0.96);
    }
    .navbar-toggler {
        border: none;
        background: var(--secondary);
        border-radius: 10px;
        width: 40px;
        height: 40px;
        display: none;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 16px;
        padding: 0;
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(43, 111, 191, 0.15);
    }
    .btn-primary-brand {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 44px;
        padding: 0 24px;
        border-radius: var(--radius-sm);
        border: none;
        background: var(--accent);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        transition: var(--transition);
        cursor: pointer;
        line-height: 1;
    }
    .btn-primary-brand:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(240, 160, 48, 0.3);
    }
    .btn-primary-brand:active {
        transform: translateY(0);
        box-shadow: 0 3px 8px rgba(240, 160, 48, 0.2);
    }
    .btn-primary-brand.btn-sm {
        height: 36px;
        padding: 0 18px;
        font-size: 13px;
        border-radius: 8px;
    }
    .btn-secondary-brand {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 44px;
        padding: 0 24px;
        border-radius: var(--radius-sm);
        border: none;
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        transition: var(--transition);
        cursor: pointer;
        line-height: 1;
    }
    .btn-secondary-brand:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(43, 111, 191, 0.25);
    }
    .btn-secondary-brand:active {
        transform: translateY(0);
    }
    .article-hero {
        background: linear-gradient(135deg, rgba(234, 243, 251, 0.96), rgba(255, 255, 255, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        padding: 64px 0 48px;
        border-bottom: 1px solid var(--border);
    }
    .breadcrumb-wrap {
        font-size: 13px;
        color: var(--text-light);
        margin-bottom: 16px;
    }
    .breadcrumb-wrap a {
        color: var(--text-light);
        transition: var(--transition);
    }
    .breadcrumb-wrap a:hover {
        color: var(--primary);
    }
    .breadcrumb-wrap .sep {
        margin: 0 8px;
        color: var(--border);
    }
    .breadcrumb-wrap .current {
        color: var(--text-muted);
    }
    .article-title {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text);
        margin: 12px 0 20px;
        letter-spacing: -0.5px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        color: var(--text-muted);
        font-size: 14px;
        align-items: center;
    }
    .article-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .article-meta i {
        color: var(--primary);
        font-size: 15px;
    }
    .article-body-wrap {
        padding-top: 48px;
        padding-bottom: 64px;
    }
    .article-body {
        max-width: 720px;
        margin: 0 auto;
        background: var(--card-bg);
        border-radius: var(--radius);
        padding: 48px 56px;
        box-shadow: var(--shadow);
        border: 1px solid rgba(255, 255, 255, 0.8);
    }
    .article-body h2 {
        font-size: 26px;
        font-weight: 700;
        margin: 40px 0 16px;
        line-height: 1.4;
        color: var(--text);
    }
    .article-body h3 {
        font-size: 20px;
        font-weight: 600;
        margin: 32px 0 12px;
        line-height: 1.4;
        color: var(--text);
    }
    .article-body h4 {
        font-size: 17px;
        font-weight: 600;
        margin: 24px 0 10px;
        color: var(--text);
    }
    .article-body p {
        margin-bottom: 24px;
        font-size: 16px;
        line-height: 1.9;
        color: var(--text);
    }
    .article-body img {
        border-radius: 14px;
        margin: 28px auto;
        box-shadow: 0 4px 16px rgba(31, 45, 61, 0.08);
    }
    .article-body figure {
        margin: 28px 0;
    }
    .article-body figcaption {
        text-align: center;
        font-size: 13px;
        color: var(--text-light);
        margin-top: 8px;
    }
    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: var(--secondary);
        padding: 18px 24px;
        border-radius: 12px;
        margin: 28px 0;
        font-style: italic;
        color: var(--text-muted);
        font-size: 15px;
    }
    .article-body ul, .article-body ol {
        margin-bottom: 24px;
        padding-left: 1.5em;
    }
    .article-body li {
        margin-bottom: 8px;
        line-height: 1.8;
    }
    .article-body a {
        color: var(--primary);
        border-bottom: 1px solid rgba(43, 111, 191, 0.3);
    }
    .article-body a:hover {
        border-bottom-color: var(--primary);
        color: var(--primary-dark);
    }
    .article-body hr {
        border: none;
        border-top: 1px solid var(--border);
        margin: 36px 0;
    }
    .article-empty {
        text-align: center;
        padding: 60px 24px;
        background: var(--card-bg);
        border: 1px dashed var(--border);
        border-radius: var(--radius);
    }
    .article-empty p {
        font-size: 18px;
        color: var(--text-muted);
        margin-bottom: 20px;
    }
    .post-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 36px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }
    .tag {
        display: inline-block;
        padding: 6px 14px;
        background: var(--secondary);
        color: var(--primary);
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        transition: var(--transition);
    }
    .tag:hover {
        background: var(--primary);
        color: #fff;
    }
    .post-nav {
        display: flex;
        gap: 16px;
        margin-top: 32px;
    }
    .post-nav-link {
        flex: 1;
        padding: 18px 20px;
        background: var(--secondary);
        border: 1px solid transparent;
        border-radius: 14px;
        color: var(--text);
        transition: var(--transition);
        display: block;
    }
    .post-nav-link:hover {
        background: var(--card-bg);
        border-color: var(--primary);
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
        color: var(--primary);
    }
    .post-nav-link span {
        display: block;
        font-size: 12px;
        color: var(--text-light);
        margin-bottom: 6px;
        letter-spacing: 0.5px;
    }
    .post-nav-link strong {
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        display: block;
        line-height: 1.5;
    }
    .post-nav-link:hover strong {
        color: var(--primary);
    }
    .post-nav-link.text-end {
        text-align: right;
    }
    .related-section {
        background: var(--bg);
        padding: 64px 0;
        border-top: 1px solid var(--border);
    }
    .section-title {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 36px;
        color: var(--text);
        position: relative;
        padding-bottom: 14px;
    }
    .section-title::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 48px;
        height: 4px;
        border-radius: 4px;
        background: var(--accent);
    }
    .related-card {
        background: var(--card-bg);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: var(--transition);
        display: block;
        height: 100%;
        border: 1px solid rgba(255, 255, 255, 0.6);
    }
    .related-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        color: var(--text);
    }
    .related-cover {
        aspect-ratio: 16 / 9;
        overflow: hidden;
        position: relative;
        background: var(--secondary);
    }
    .related-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }
    .related-card:hover .related-cover img {
        transform: scale(1.03);
    }
    .related-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 999px;
        z-index: 2;
        letter-spacing: 0.3px;
    }
    .related-content {
        padding: 22px 20px 20px;
    }
    .related-content h3 {
        font-size: 17px;
        font-weight: 600;
        line-height: 1.45;
        margin-bottom: 10px;
        color: var(--text);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-content p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .read-more {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
    }
    .related-card:hover .read-more {
        gap: 10px;
        color: var(--primary-dark);
    }
    .faq-section {
        padding: 64px 0;
        background: var(--bg);
    }
    .faq-section .section-title {
        text-align: left;
    }
    .faq-list {
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        margin-bottom: 12px;
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: rgba(43, 111, 191, 0.3);
    }
    .faq-item.active {
        border-color: var(--primary);
        box-shadow: 0 6px 20px rgba(43, 111, 191, 0.08);
    }
    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 20px 24px;
        background: none;
        border: none;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: var(--text);
        text-align: left;
        gap: 16px;
        font-family: inherit;
        transition: var(--transition);
    }
    .faq-question:hover {
        color: var(--primary);
    }
    .faq-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--secondary);
        color: var(--primary);
        font-size: 14px;
        flex-shrink: 0;
        transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
    }
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }
    .faq-answer {
        padding: 0 24px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.3s ease;
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.8;
    }
    .faq-item.active .faq-answer {
        max-height: 400px;
        padding-bottom: 22px;
    }
    .cta-section {
        background: linear-gradient(rgba(22, 50, 74, 0.88), rgba(22, 50, 74, 0.9)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        padding: 72px 0;
        text-align: center;
    }
    .cta-section h2 {
        color: #fff;
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 14px;
    }
    .cta-section p {
        color: rgba(255, 255, 255, 0.85);
        font-size: 16px;
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }
    .subscribe-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        justify-content: center;
        flex-wrap: wrap;
    }
    .subscribe-form input {
        flex: 1;
        min-width: 240px;
        height: 46px;
        padding: 0 18px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        font-size: 16px;
        font-family: inherit;
        transition: var(--transition);
    }
    .subscribe-form input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }
    .subscribe-form input:focus {
        outline: none;
        border-color: var(--accent);
        background: rgba(255, 255, 255, 0.18);
        box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.2);
    }
    .form-success {
        color: #6ee7b7;
        font-size: 14px;
        margin-top: 14px;
    }
    .site-footer {
        background: #16324A;
        color: rgba(255, 255, 255, 0.85);
        padding: 64px 0 20px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }
    .footer-brand .logo-icon {
        background: var(--accent);
    }
    .footer-brand .brand-name {
        color: #fff;
        font-size: 22px;
        font-weight: 700;
    }
    .footer-desc {
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
        line-height: 1.8;
        margin-top: 12px;
        max-width: 340px;
    }
    .footer-title {
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        margin-bottom: 18px;
        letter-spacing: 0.5px;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }
    .footer-contact {
        list-style: none;
        padding: 0;
        margin: 0;
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
    }
    .footer-contact li {
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact i {
        color: var(--accent);
        font-size: 14px;
        width: 18px;
        text-align: center;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 22px;
        margin-top: 40px;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
        color: rgba(255, 255, 255, 0.4);
        font-size: 13px;
    }
    @media (max-width: 991.98px) {
        .navbar-toggler {
            display: inline-flex;
        }
        .navbar-collapse {
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 16px 32px rgba(31, 45, 61, 0.1);
            border-radius: 0 0 16px 16px;
            padding: 16px 24px 24px;
            z-index: 1030;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }
        .navbar-nav {
            gap: 4px;
            padding-bottom: 12px;
        }
        .nav-link {
            padding: 10px 14px;
            font-size: 16px;
        }
        .navbar-actions {
            margin-top: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
        }
        .article-hero {
            padding: 40px 0 32px;
        }
        .article-title {
            font-size: 28px;
        }
        .article-body {
            padding: 36px 28px;
            border-radius: 14px;
        }
        .article-body p {
            font-size: 15px;
            line-height: 1.85;
        }
        .post-nav {
            flex-direction: column;
            gap: 12px;
        }
        .post-nav-link.text-end {
            text-align: left;
        }
        .section-title {
            font-size: 24px;
        }
        .cta-section h2 {
            font-size: 26px;
        }
    }
    @media (max-width: 767.98px) {
        .site-header {
            height: 64px;
        }
        .navbar-collapse {
            top: 64px;
        }
        .article-hero {
            padding: 32px 0 28px;
        }
        .article-title {
            font-size: 24px;
            margin-bottom: 16px;
        }
        .article-meta {
            gap: 12px;
            font-size: 13px;
        }
        .article-body-wrap {
            padding-top: 32px;
            padding-bottom: 48px;
        }
        .article-body {
            padding: 28px 20px;
        }
        .article-body h2 {
            font-size: 22px;
        }
        .article-body h3 {
            font-size: 18px;
        }
        .related-section,
        .faq-section {
            padding: 48px 0;
        }
        .related-content {
            padding: 18px 16px;
        }
        .faq-question {
            padding: 18px 18px;
            font-size: 15px;
        }
        .faq-answer {
            padding: 0 18px;
        }
        .faq-item.active .faq-answer {
            padding-bottom: 18px;
        }
        .cta-section {
            padding: 48px 0;
        }
        .cta-section p {
            font-size: 15px;
        }
        .subscribe-form {
            flex-direction: column;
            align-items: stretch;
        }
        .subscribe-form input {
            min-width: 100%;
            width: 100%;
            flex: 0 0 auto;
        }
        .subscribe-form .btn-primary-brand {
            width: 100%;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }
    @media (max-width: 575.98px) {
        .container {
            padding-left: 18px;
            padding-right: 18px;
        }
        .navbar-brand {
            font-size: 18px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
        .btn-primary-brand.btn-sm {
            padding: 0 14px;
        }
        .article-meta {
            gap: 8px 14px;
        }
        .post-nav-link {
            padding: 14px 16px;
        }
        .faq-question {
            gap: 10px;
        }
    }

/* roulang page: category2 */
:root {
            --brand: #2B6FBF;
            --brand-dark: #1F5799;
            --brand-soft: #EAF3FB;
            --accent: #F0A030;
            --accent-dark: #D98920;
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --text: #1F2D3D;
            --text-muted: #5B6B7C;
            --text-weak: #8A99A8;
            --border: #E5ECF4;
            --success: #2FA58A;
            --danger: #C7473F;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 10px;
            --shadow-card: 0 2px 8px rgba(31, 45, 61, 0.05);
            --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
            --shadow-nav: 0 4px 16px rgba(31, 45, 61, 0.06);
            --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-space: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--brand-dark);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px dashed rgba(43, 111, 191, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: .02em;
            transition: all .25s ease;
        }

        .btn-accent-brand {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
        }
        .btn-accent-brand:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(240, 160, 48, 0.28);
        }

        .btn-primary-brand {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
        }
        .btn-primary-brand:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(43, 111, 191, 0.25);
        }

        .btn-outline-brand {
            border: 1px solid var(--brand);
            color: var(--brand);
            background: transparent;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
        }
        .btn-outline-brand:hover {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(43, 111, 191, 0.2);
        }

        .btn-light-brand {
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            backdrop-filter: blur(4px);
        }
        .btn-light-brand:hover {
            background: #fff;
            color: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(22, 50, 74, 0.18);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head .eyebrow {
            display: inline-block;
            background: var(--brand-soft);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .04em;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 10px;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-muted);
            margin: 0;
            font-size: 16px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
        }

        .site-header .navbar {
            min-height: 72px;
            padding: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .02em;
        }
        .navbar-brand:hover {
            color: var(--text);
        }

        .navbar-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--brand);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }

        .site-header .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 18px;
            border-radius: 999px;
            transition: all .25s ease;
        }

        .site-header .navbar-nav .nav-link:hover {
            color: var(--brand);
            background: var(--brand-soft);
        }

        .site-header .navbar-nav .nav-link.active {
            color: #fff;
            background: var(--brand);
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-search {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
        }
        .btn-search:hover {
            background: var(--brand);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            background: var(--card-bg);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand);
        }
        .navbar-toggler[aria-expanded="true"] {
            background: var(--brand);
            color: #fff;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(43, 111, 191, 0.15);
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider: '›';
        }
        .breadcrumb-item a {
            color: var(--text-weak);
            font-size: 14px;
        }
        .breadcrumb-item a:hover {
            color: var(--brand);
        }
        .breadcrumb-item.active {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ============ Category Hero ============ */
        .category-hero {
            position: relative;
            padding: 84px 0 76px;
            background-image: linear-gradient(135deg, rgba(234, 243, 251, 0.96), rgba(255, 255, 255, 0.84)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .category-hero .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(43, 111, 191, 0.12);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: .04em;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 16px;
        }

        .category-hero h1 .highlight {
            color: var(--brand);
        }

        .category-hero .hero-desc {
            max-width: 620px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-muted);
            margin: 0 0 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 26px;
        }

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

        .hero-tags span {
            font-size: 13px;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(43, 111, 191, 0.12);
            color: var(--text-muted);
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        /* ============ Observe Points ============ */
        .observe-points {
            padding: var(--section-space) 0;
        }

        .points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .point-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            position: relative;
        }
        .point-card::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 0;
            width: 36px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            transition: width .3s ease;
        }
        .point-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .point-card:hover::before {
            width: 60px;
        }

        .point-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .point-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 10px;
            color: var(--text);
        }

        .point-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }

        /* ============ Team Picks Grid ============ */
        .team-picks {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: var(--section-space) 0;
        }

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

        .pick-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .pick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .pick-card.featured {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
        }

        .pick-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--brand-soft);
        }
        .pick-card.featured .pick-cover {
            aspect-ratio: auto;
            min-height: 100%;
        }

        .pick-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .pick-card:hover .pick-cover img {
            transform: scale(1.04);
        }

        .pick-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(31, 45, 61, 0.12);
        }
        .pick-badge.brand {
            background: var(--brand);
        }

        .pick-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .pick-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 10px;
        }
        .pick-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .pick-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0 0 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
        }
        .pick-link i {
            transition: transform .2s ease;
        }
        .pick-link:hover {
            color: var(--brand-dark);
        }
        .pick-link:hover i {
            transform: translateX(4px);
        }

        /* ============ Versus ============ */
        .versus-section {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

        .versus-grid {
            display: grid;
            grid-template-columns: 1fr 90px 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .versus-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 34px 30px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .versus-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .versus-card .vs-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .versus-card.home .vs-icon {
            background: var(--brand-soft);
            color: var(--brand);
        }
        .versus-card.away .vs-icon {
            background: #FDF3E3;
            color: var(--accent-dark);
        }

        .versus-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .versus-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        .vs-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .vs-list li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
        }
        .vs-list i {
            color: var(--success);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .versus-middle {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .versus-middle span {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: .04em;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(240, 160, 48, 0.25);
        }

        .tip-banner {
            margin-top: 28px;
            background: var(--brand-soft);
            border: 1px solid rgba(43, 111, 191, 0.14);
            border-radius: var(--radius-card);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
            color: var(--brand-dark);
        }
        .tip-banner i {
            font-size: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* ============ Tag Cloud ============ */
        .tag-cloud-section {
            padding: 0 0 var(--section-space);
        }

        .tag-cloud-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px 38px;
            box-shadow: var(--shadow-card);
        }

        .tag-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .tag-title i {
            color: var(--brand);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 14px;
            padding: 8px 18px;
            border-radius: 999px;
            transition: all .25s ease;
        }
        .tag-pill::before {
            content: "#";
            color: var(--brand);
            font-weight: 600;
        }
        .tag-pill:hover {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(43, 111, 191, 0.18);
        }
        .tag-pill:hover::before {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-space) 0;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-wrap .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 22px;
            box-shadow: none;
            border: none;
            transition: background .2s ease;
        }
        .faq-wrap .accordion-button:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--brand-soft);
            color: var(--brand);
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            content: "+";
            font-family: var(--font-sans);
            font-size: 26px;
            font-weight: 300;
            color: var(--brand);
            background-image: none;
            width: auto;
            height: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
        }
        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-wrap .accordion-body {
            padding: 6px 22px 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid rgba(43, 111, 191, 0.06);
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-color: var(--brand-dark);
            background-image: linear-gradient(135deg, rgba(22, 50, 74, 0.92), rgba(31, 45, 61, 0.82)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 14px;
        }

        .cta-section p {
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #16324A;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
            margin: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: all .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 9px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ Responsive ============ */
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: 16px;
                margin-top: 14px;
                padding: 16px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
            }
            .site-header .navbar-nav .nav-link {
                padding: 12px 16px;
            }
            .navbar-actions {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border);
                justify-content: flex-start;
            }
            .points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .picks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pick-card.featured {
                grid-column: span 2;
                grid-template-columns: 1fr;
            }
            .pick-card.featured .pick-cover {
                aspect-ratio: 16 / 9;
            }
            .versus-grid {
                grid-template-columns: 1fr;
            }
            .versus-middle {
                padding: 4px 0;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 56px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .category-hero {
                padding: 54px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .points-grid {
                grid-template-columns: 1fr;
            }
            .picks-grid {
                grid-template-columns: 1fr;
            }
            .pick-card.featured {
                grid-column: span 1;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .tag-cloud-card {
                padding: 24px 18px;
            }
            .versus-card {
                padding: 26px 20px;
            }
            .pick-body {
                padding: 18px;
            }
            .faq-wrap .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }
        }

/* roulang page: category3 */
/* ===================== 设计变量 ===================== */
        :root {
            --brand: #2B6FBF;
            --brand-dark: #1F5799;
            --brand-light: #EAF3FB;
            --accent: #F0A030;
            --accent-dark: #D98920;
            --bg-body: #F7FAFC;
            --bg-card: #FFFFFF;
            --text-main: #1F2D3D;
            --text-sub: #5B6B7C;
            --text-muted: #8A99A8;
            --border: #E5ECF4;
            --success: #2FA58A;
            --danger: #C7473F;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-sm: 0 2px 8px rgba(31, 45, 61, 0.05);
            --shadow-md: 0 12px 32px rgba(31, 45, 61, 0.10);
            --shadow-header: 0 4px 16px rgba(31, 45, 61, 0.06);
            --font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

        /* ===================== Reset / 基础 ===================== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            color: var(--text-main);
            background: var(--bg-body);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--brand);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px dashed rgba(43, 111, 191, 0.4);
            outline-offset: 3px;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===================== 通用组件 ===================== */
        .section-padding {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 680px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* 按钮 */
        .btn-amber {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all var(--transition-normal);
        }
        .btn-amber:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 26px rgba(240, 160, 48, 0.3);
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand);
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--brand);
            transition: all var(--transition-normal);
        }
        .btn-outline-brand:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 26px rgba(43, 111, 191, 0.2);
        }
        .btn-primary-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all var(--transition-normal);
        }
        .btn-primary-brand:hover {
            background: var(--brand-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(43, 111, 191, 0.25);
        }

        /* 标签 */
        .badge-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.02em;
        }
        .badge-brand {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.02em;
        }

        /* ===================== 顶部导航 ===================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-header);
        }
        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .navbar-brand:hover {
            color: var(--brand);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .site-header .navbar-nav {
            gap: 6px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: var(--radius-badge);
            padding: 8px 18px !important;
            transition: all var(--transition-fast);
        }
        .site-header .nav-link:hover {
            color: var(--brand);
            background: var(--brand-light);
        }
        .site-header .nav-link.active {
            color: var(--brand);
            background: var(--brand-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-search {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 50%;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .btn-search:hover {
            background: var(--brand);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            font-size: 20px;
            color: var(--text-main);
            padding: 8px 12px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===================== Hero频道横幅 ===================== */
        .hero-tactical {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            overflow: hidden;
        }
        .hero-tactical::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(234, 243, 251, 0.97) 0%, rgba(255, 255, 255, 0.85) 60%, rgba(255, 255, 255, 0.6) 100%);
            z-index: 1;
        }
        .hero-tactical .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(43, 111, 191, 0.1);
            border: 1px solid rgba(43, 111, 191, 0.2);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-badge);
            margin-bottom: 22px;
        }
        .hero-tag i {
            font-size: 12px;
        }
        .hero-tactical h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .hero-tactical h1 .highlight {
            color: var(--brand);
            position: relative;
            display: inline-block;
        }
        .hero-tactical h1 .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 4px;
            height: 8px;
            background: rgba(240, 160, 48, 0.25);
            border-radius: 4px;
            z-index: -1;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-sub);
            max-width: 460px;
            margin-bottom: 32px;
            line-height: 1.9;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Hero 浮层卡片 */
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 360px;
        }
        .hero-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 20px 50px rgba(31, 45, 61, 0.12);
            width: 100%;
            max-width: 420px;
            transform: rotate(1.5deg);
            transition: transform 0.4s ease;
        }
        .hero-card:hover {
            transform: rotate(0deg) translateY(-4px);
        }
        .hero-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .hero-card-time {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.5;
            color: var(--text-main);
        }
        .hero-card-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }
        .mini-stat {
            background: var(--brand-light);
            border-radius: 12px;
            padding: 12px 8px;
            text-align: center;
        }
        .mini-stat span {
            display: block;
            font-size: 12px;
            color: var(--text-sub);
            margin-bottom: 2px;
        }
        .mini-stat strong {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand);
        }
        .hero-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .hero-card-footer .tag {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
        }
        .hero-card-footer .arrow-link {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 50%;
            transition: all var(--transition-fast);
        }
        .hero-card-footer .arrow-link:hover {
            background: var(--brand);
            color: #fff;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            border-bottom: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.7);
            padding: 12px 0;
        }
        .breadcrumb-bar ol {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb-bar li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-bar li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-bar a {
            color: var(--text-sub);
        }
        .breadcrumb-bar a:hover {
            color: var(--brand);
        }
        .breadcrumb-bar li.active {
            color: var(--brand);
            font-weight: 500;
        }

        /* ===================== 分类说明 + 数据 ===================== */
        .intro-stats {
            background: var(--bg-body);
        }
        .intro-wrap {
            max-width: 860px;
            margin: 0 auto 56px;
            text-align: center;
        }
        .intro-text {
            font-size: 17px;
            line-height: 2;
            color: var(--text-sub);
            margin-bottom: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
        }

        /* ===================== 内容矩阵 ===================== */
        .matrix-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .matrix-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: block;
            color: inherit;
        }
        .matrix-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            color: inherit;
        }
        .matrix-card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .matrix-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .matrix-card:hover .matrix-card-cover img {
            transform: scale(1.04);
        }
        .matrix-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(31, 45, 61, 0.25) 100%);
        }
        .matrix-card .badge-accent {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }
        .matrix-card-body {
            padding: 22px 22px 20px;
        }
        .matrix-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text-main);
        }
        .matrix-card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .matrix-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            transition: gap 0.3s ease;
        }
        .matrix-card-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }
        .matrix-card:hover .matrix-card-link i {
            transform: translateX(4px);
        }

        /* ===================== 深度大图叙事 ===================== */
        .showcase-section {
            background: var(--bg-body);
        }
        .showcase-item {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 72px;
        }
        .showcase-item:last-child {
            margin-bottom: 0;
        }
        .showcase-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .showcase-media {
            flex: 1 1 50%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
            aspect-ratio: 16/10;
        }
        .showcase-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .showcase-item:hover .showcase-media img {
            transform: scale(1.03);
        }
        .showcase-media .media-icon {
            position: absolute;
            bottom: 16px;
            left: 16px;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--brand);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(31, 45, 61, 0.15);
        }
        .showcase-content {
            flex: 1 1 50%;
        }
        .showcase-content .section-tag {
            margin-bottom: 10px;
        }
        .showcase-content h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .showcase-content p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .showcase-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand);
        }
        .showcase-link i {
            font-size: 13px;
            transition: transform 0.3s ease;
        }
        .showcase-link:hover i {
            transform: translateX(5px);
        }

        /* ===================== 阅读路径 ===================== */
        .path-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .path-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }
        .path-steps::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 50px;
            right: 50px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--accent), var(--brand));
            border-radius: 2px;
            z-index: 0;
        }
        .path-step {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 16px;
        }
        .step-node {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 20px;
            box-shadow: 0 6px 20px rgba(43, 111, 191, 0.3);
            border: 4px solid #fff;
            transition: all var(--transition-normal);
        }
        .path-step:hover .step-node {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(43, 111, 191, 0.4);
        }
        .step-node.step-alter {
            background: var(--accent);
            box-shadow: 0 6px 20px rgba(240, 160, 48, 0.3);
        }
        .path-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .path-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===================== 适用人群 ===================== */
        .audience-section {
            background: var(--bg-body);
        }
        .audience-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .audience-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(43, 111, 191, 0.2);
        }
        .audience-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .audience-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .audience-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===================== FAQ ===================== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            background: var(--bg-card);
        }
        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            gap: 14px;
        }
        .faq-accordion .accordion-button::before {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--brand);
            flex-shrink: 0;
            line-height: 1;
            transition: transform 0.3s ease;
            margin-right: 4px;
        }
        .faq-accordion .accordion-button:not(.collapsed)::before {
            transform: rotate(45deg);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-light);
            color: var(--brand);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            display: none;
        }
        .faq-accordion .accordion-body {
            padding: 0 26px 22px 26px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.9;
            background: var(--bg-card);
            border-top: 1px solid rgba(43, 111, 191, 0.08);
        }

        /* ===================== CTA ===================== */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 88px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(22, 50, 74, 0.92) 0%, rgba(43, 111, 191, 0.82) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-wrap {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .cta-wrap p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            height: 46px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-btn);
            padding: 0 18px;
            font-size: 15px;
            color: #fff;
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.2);
        }
        .cta-form .btn-amber {
            height: 46px;
        }

        /* ===================== 页脚 ===================== */
        .site-footer {
            background: #16324A;
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 24px;
        }
        .footer-top {
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            background: var(--accent);
        }
        .footer-brand .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===================== 响应式 ===================== */
        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: 16px;
                margin-top: 12px;
                padding: 16px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border);
            }
            .site-header .navbar-nav {
                gap: 4px;
            }
            .site-header .nav-link {
                padding: 10px 14px !important;
                border-radius: 10px;
                text-align: center;
            }
            .navbar-actions {
                margin-top: 12px;
                justify-content: center;
                flex-direction: column;
                gap: 10px;
            }
            .navbar-actions .btn-primary-brand {
                width: 100%;
            }
            .hero-tactical {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .hero-tactical h1 {
                font-size: 34px;
            }
            .hero-visual {
                min-height: auto;
                margin-top: 48px;
            }
            .hero-card {
                transform: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .showcase-item {
                flex-direction: column !important;
                gap: 32px;
            }
            .showcase-media {
                width: 100%;
            }
            .path-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .path-steps::before {
                display: none;
            }
            .section-padding {
                padding: 72px 0;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-tactical h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-amber,
            .hero-actions .btn-outline-brand {
                width: 100%;
                text-align: center;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 10px;
            }
            .stat-number {
                font-size: 24px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .path-steps {
                grid-template-columns: 1fr;
            }
            .path-step {
                padding: 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-wrap h2 {
                font-size: 24px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form .btn-amber {
                width: 100%;
            }
            .footer-top {
                row-gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .showcase-content h3 {
                font-size: 20px;
            }
        }