/* roulang page: index */
:root {
            --primary: #0b1628;
            --primary-light: #14243c;
            --primary-lighter: #1d3350;
            --secondary: #f0b90b;
            --secondary-dark: #d4a106;
            --accent: #00c2a8;
            --accent-dark: #00a88f;
            --bg: #f4f6fb;
            --bg-deep: #eef1f7;
            --card-bg: #ffffff;
            --text: #172033;
            --text-light: #5b6b81;
            --text-muted: #8a97a8;
            --border: #e6eaf2;
            --border-light: #f0f2f8;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(11, 22, 40, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 22, 40, 0.16);
            --shadow-primary: 0 10px 30px rgba(240, 185, 11, 0.3);
            --transition: all .3s ease;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 20px rgba(11, 22, 40, 0.05);
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(11, 22, 40, 0.09);
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 20px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            letter-spacing: -0.02em;
            color: var(--primary) !important;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--secondary), #ffd35c);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(240, 185, 11, 0.35);
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-light) !important;
            padding: 8px 16px !important;
            border-radius: 30px;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary) !important;
            background: var(--bg-deep);
        }

        .nav-link.active {
            color: var(--primary) !important;
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.16), rgba(240, 185, 11, 0.06));
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 4px;
            background: var(--secondary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-deep);
            border-radius: 30px;
            padding: 6px 6px 6px 16px;
            border: 1px solid transparent;
            transition: var(--transition);
            min-width: 180px;
        }

        .search-box:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 100%;
        }

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

        .search-box button {
            border: none;
            background: var(--primary);
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--secondary);
            color: var(--primary);
        }

        .btn {
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 22px;
            transition: var(--transition);
        }

        .btn-ghost {
            background: transparent;
            border: none;
            color: var(--text);
            font-weight: 600;
        }

        .btn-ghost:hover {
            background: var(--bg-deep);
            color: var(--primary);
        }

        .btn-primary {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.28);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(240, 185, 11, 0.34);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .navbar-toggler {
            border: none;
            background: var(--bg-deep);
            border-radius: 10px;
            padding: 8px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.24);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230b1628' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .header-actions {
                margin-left: 0;
                margin-top: 16px;
                flex-wrap: wrap;
            }

            .search-box {
                flex: 1;
                min-width: 100%;
                margin-bottom: 8px;
            }

            .navbar-nav {
                padding-top: 10px;
            }

            .nav-link {
                padding: 10px 18px !important;
                border-radius: 12px;
            }

            .nav-link.active::after {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, rgba(11, 22, 40, 0.92), rgba(11, 22, 40, 0.68)), url('/assets/images/backpic/back-1.png') no-repeat center center/cover;
            color: #fff;
            padding: 110px 0 130px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 520px;
            height: 520px;
            background: rgba(240, 185, 11, 0.13);
            border-radius: 50%;
            filter: blur(80px);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 280px;
            height: 280px;
            background: rgba(0, 194, 168, 0.12);
            border-radius: 50%;
            filter: blur(70px);
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 40px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            color: #fff;
            margin-bottom: 24px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 10px rgba(240, 185, 11, 0.7);
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.4);
                opacity: 0.7;
            }
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin: 0 0 12px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--secondary), #ffd35c);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-sub {
            font-size: 20px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.72);
            max-width: 520px;
            margin-bottom: 34px;
        }

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

        .hero-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 28px;
            color: #fff;
            box-shadow: 0 16px 50px rgba(0, 0, 0, 0.2);
        }

        .hero-card .card-label {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--secondary);
            margin-bottom: 14px;
        }

        .hero-card .card-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-card .card-item:last-child {
            border-bottom: none;
        }

        .hero-card .card-item i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .hero-card .card-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-card .card-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        @media (max-width: 767.98px) {
            .hero {
                padding: 80px 0 100px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero-sub {
                font-size: 17px;
            }

            .hero-card {
                margin-top: 30px;
                padding: 22px;
            }
        }

        /* ===== Section Head ===== */
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 185, 11, 0.12);
            color: #a67c00;
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-badge i {
            font-size: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--primary);
            margin-bottom: 10px;
        }

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

        @media (max-width: 767.98px) {
            .section-head h2 {
                font-size: 26px;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0;
            margin-top: -1px;
        }

        .stat-card {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: var(--bg);
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.16), rgba(240, 185, 11, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a67c00;
            font-size: 18px;
            margin: 0 auto 16px;
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
        }

        @media (max-width: 767.98px) {
            .stat-card {
                padding: 16px 8px;
            }

            .stat-num {
                font-size: 24px;
            }
        }

        /* ===== Services ===== */
        .services-section {
            padding: 90px 0;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 30px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            opacity: 0;
            transition: opacity .3s;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
            color: var(--secondary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Categories ===== */
        .categories-section {
            padding: 90px 0;
            background: var(--bg-deep);
        }

        .category-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: none;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .category-card:hover img {
            transform: scale(1.05);
        }

        .category-overlay {
            position: relative;
            z-index: 2;
            padding: 30px;
            width: 100%;
            background: linear-gradient(to top, rgba(11, 22, 40, 0.88), rgba(11, 22, 40, 0.15));
            color: #fff;
        }

        .category-overlay h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-overlay p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 14px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            transition: gap .3s;
        }

        .category-link:hover {
            gap: 14px;
            color: #ffd35c;
        }

        /* ===== News ===== */
        .news-section {
            padding: 90px 0;
            background: var(--card-bg);
        }

        .news-list {
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .news-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 28px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .news-row:last-child {
            border-bottom: none;
        }

        .news-row:hover {
            background: var(--bg);
            padding-left: 34px;
        }

        .news-cat {
            flex-shrink: 0;
            background: rgba(240, 185, 11, 0.12);
            color: #a67c00;
            font-size: 12px;
            font-weight: 700;
            border-radius: 6px;
            padding: 4px 12px;
        }

        .news-main {
            flex: 1;
            min-width: 0;
        }

        .news-main h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-main p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-meta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        .news-meta .arrow {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg-deep);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: var(--transition);
        }

        .news-row:hover .arrow {
            background: var(--secondary);
            color: var(--primary);
            transform: translateX(3px);
        }

        @media (max-width: 767.98px) {
            .news-row {
                padding: 18px 16px;
                flex-wrap: wrap;
                gap: 10px;
            }

            .news-main h3 {
                white-space: normal;
                line-height: 1.4;
            }

            .news-main p {
                white-space: normal;
                line-height: 1.5;
            }

            .news-meta {
                width: 100%;
                justify-content: space-between;
                margin-top: 4px;
            }
        }

        /* ===== Topics ===== */
        .topics-section {
            padding: 90px 0;
            background: var(--primary);
            color: #fff;
        }

        .topics-section .section-head h2 {
            color: #fff;
        }

        .topics-section .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }

        .topics-section .section-badge {
            background: rgba(255, 255, 255, 0.12);
            color: var(--secondary);
        }

        .topic-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding-bottom: 20px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
        }

        .topic-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .topic-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
        }

        .topic-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.25);
            border-radius: 10px;
        }

        .topic-card {
            flex: 0 0 280px;
            background: var(--primary-light);
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: rgba(240, 185, 11, 0.4);
        }

        .topic-card .topic-img {
            position: relative;
            height: 140px;
            overflow: hidden;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-card .topic-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 22, 40, 0.5), transparent);
        }

        .topic-card .topic-body {
            padding: 20px;
        }

        .topic-card .topic-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .topic-card .topic-body p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            line-height: 1.6;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(240, 185, 11, 0.18);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 30px;
            padding: 3px 12px;
            margin-bottom: 10px;
        }

        /* ===== Process ===== */
        .process-section {
            padding: 90px 0;
            background: var(--bg);
        }

        .process-step {
            text-align: center;
            padding: 30px 20px;
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-light);
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), #ffd35c);
            color: var(--primary);
            font-weight: 800;
            font-size: 17px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: var(--card-bg);
        }

        .accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(11, 22, 40, 0.03);
            background: var(--card-bg);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            padding: 18px 24px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(240, 185, 11, 0.05);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.15);
            border-radius: 14px;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235b6b81'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23a67c00'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            border-top: 1px solid var(--border-light);
            margin-top: 0;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(rgba(11, 22, 40, 0.85), rgba(11, 22, 40, 0.85)), url('/assets/images/backpic/back-2.png') no-repeat center center/cover;
            padding: 90px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 18px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 44px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col .footer-link {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .footer-col .footer-link:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
        }

        .footer-contact-item i {
            color: var(--secondary);
            font-size: 14px;
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        @media (max-width: 767.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            font-size: 16px;
            box-shadow: 0 4px 18px rgba(240, 185, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--secondary-dark);
            transform: translateY(-3px);
        }

        /* ===== Auth Modal demo buttons ===== */
        .demo-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

/* roulang page: category1 */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #818cf8;
            --accent: #06b6d4;
            --accent-light: #22d3ee;
            --dark: #0b1220;
            --dark-2: #111a2e;
            --dark-3: #1b2539;
            --surface: #ffffff;
            --surface-soft: #f4f6fb;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e6eaf2;
            --radius-lg: 20px;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
            --shadow: 0 12px 32px rgba(15, 23, 42, .08);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, .16);
            --transition: all .3s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--surface-soft);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            border: none;
            background: none;
            font: inherit;
        }
        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(11, 18, 32, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: #fff;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(79, 70, 229, .4);
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            color: rgba(255, 255, 255, .72) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 50px;
            font-size: 15px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, .08);
        }
        .nav-link.active {
            color: #fff !important;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 6px 18px rgba(79, 70, 229, .35);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            padding: 4px 6px 4px 16px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: rgba(255, 255, 255, .35);
            background: rgba(255, 255, 255, .16);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: #fff;
            outline: none;
            width: 130px;
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .search-box button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-dark);
        }
        .btn-ghost {
            padding: 9px 22px;
            border-radius: 50px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            padding: 10px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            color: #fff !important;
            box-shadow: 0 6px 18px rgba(79, 70, 229, .35);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(79, 70, 229, .45);
        }
        .navbar-toggler {
            border-color: rgba(255, 255, 255, .3) !important;
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 18, 32, .92), rgba(37, 32, 94, .78)), url(/assets/images/backpic/back-2.png) center/cover no-repeat;
            padding: 110px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -10%;
            bottom: -30%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(79, 70, 229, .35), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .page-hero .breadcrumb {
            display: inline-flex;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .page-hero .breadcrumb i {
            font-size: 11px;
            margin: 0 8px;
            line-height: 22px;
        }
        .page-hero .breadcrumb a:hover {
            color: #fff;
        }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
            max-width: 680px;
        }
        .page-hero h1 span {
            background: linear-gradient(90deg, var(--accent-light), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-btns .btn-primary {
            padding: 13px 32px;
            font-size: 15px;
        }
        .btn-outline-light {
            padding: 12px 30px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            color: #fff;
            border-color: #fff;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 90px 0;
        }
        .section-soft {
            background: var(--surface);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header .kicker {
            display: inline-block;
            background: rgba(79, 70, 229, .1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 620px;
            margin: 0 auto;
        }

        /* ========== Filter Tags ========== */
        .filter-bar {
            margin-top: -28px;
            position: relative;
            z-index: 5;
        }
        .filter-inner {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 24px 32px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            border: 1px solid var(--border);
        }
        .filter-label {
            font-weight: 700;
            color: var(--dark);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-label i {
            color: var(--primary);
        }
        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
        }
        .filter-tag {
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--surface-soft);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(79, 70, 229, .06);
        }
        .filter-tag.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(79, 70, 229, .3);
        }

        /* ========== News Cards ========== */
        .news-grid .news-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-grid .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, .2);
        }
        .news-card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }
        .news-card-img .badge-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(11, 18, 32, .82);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, .15);
        }
        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .news-card-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-meta .date i {
            color: var(--primary);
            font-size: 12px;
        }
        .news-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--dark);
            transition: var(--transition);
        }
        .news-card:hover h3 {
            color: var(--primary);
        }
        .news-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .news-card-link {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .news-card-link i {
            transition: transform .3s ease;
        }
        .news-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Rank Section ========== */
        .rank-section {
            background: linear-gradient(140deg, var(--dark), #161a35);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .rank-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(79, 70, 229, .4), transparent 60%);
            border-radius: 50%;
        }
        .rank-section .kicker {
            background: rgba(255, 255, 255, .12) !important;
            color: var(--accent-light) !important;
        }
        .rank-section h2 {
            color: #fff !important;
        }
        .rank-section .section-header p {
            color: rgba(255, 255, 255, .7);
        }
        .rank-list {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            backdrop-filter: blur(10px);
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: var(--transition);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            padding-left: 10px;
        }
        .rank-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--accent-light);
            flex-shrink: 0;
        }
        .rank-item:first-child .rank-num {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #fff;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-info span {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }
        .rank-heat {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-light);
            white-space: nowrap;
        }
        .rank-heat i {
            margin-right: 5px;
            color: #f59e0b;
        }
        .rank-side {
            padding-left: 30px;
        }
        .rank-side h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .rank-side p {
            color: rgba(255, 255, 255, .7);
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .rank-side .btn-primary {
            background: linear-gradient(135deg, var(--accent), #0891b2);
            box-shadow: 0 8px 24px rgba(6, 182, 212, .35);
        }

        /* ========== Stats Section ========== */
        .stats-section {
            background: linear-gradient(135deg, rgba(11, 18, 32, .94), rgba(17, 26, 46, .85)), url(/assets/images/backpic/back-3.png) center/cover no-repeat;
            padding: 80px 0;
            color: #fff;
            position: relative;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 36px 20px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-6px);
        }
        .stat-icon {
            font-size: 28px;
            margin-bottom: 14px;
            color: var(--accent-light);
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 8px;
            background: linear-gradient(90deg, #fff, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        /* ========== Schedule ========== */
        .schedule-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 32px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 20px 8px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            flex-wrap: wrap;
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-item:hover {
            background: var(--surface-soft);
            border-radius: var(--radius);
            padding-left: 18px;
        }
        .schedule-date {
            min-width: 90px;
            text-align: center;
            background: var(--surface-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
        }
        .schedule-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .schedule-date .month {
            font-size: 12px;
            color: var(--text-muted);
        }
        .schedule-info {
            flex: 1;
            min-width: 200px;
        }
        .schedule-info h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--dark);
        }
        .schedule-info span {
            font-size: 13px;
            color: var(--text-muted);
        }
        .schedule-status {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }
        .status-upcoming {
            background: rgba(79, 70, 229, .1);
            color: var(--primary);
        }
        .status-soon {
            background: rgba(6, 182, 212, .12);
            color: #0891b2;
        }
        .status-booking {
            background: rgba(245, 158, 11, .12);
            color: #d97706;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(79, 70, 229, .25);
        }
        .faq-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4::before {
            content: 'Q';
            width: 26px;
            height: 26px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            padding-left: 36px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0 90px;
        }
        .cta-box {
            position: relative;
            background: linear-gradient(135deg, var(--primary), #312e81 55%, var(--accent));
            border-radius: 28px;
            padding: 64px 60px;
            color: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            text-align: center;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 60%);
            border-radius: 50%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(6, 182, 212, .4), transparent 60%);
            border-radius: 50%;
        }
        .cta-box>* {
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -.5px;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-box .btn-light {
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            padding: 13px 34px;
            font-weight: 600;
            border: none;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
            margin: 0 8px;
        }
        .cta-box .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .25);
        }
        .cta-box .btn-outline-light {
            margin: 0 8px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
            color: rgba(255, 255, 255, .55);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-link {
            display: block;
            padding: 7px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-contact-item i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .search-box input {
                width: 100px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            body {
                padding-top: 72px;
            }
            .navbar-collapse {
                background: var(--dark-2);
                border-radius: 16px;
                padding: 20px;
                margin-top: 14px;
                border: 1px solid rgba(255, 255, 255, .08);
                box-shadow: var(--shadow-lg);
            }
            .navbar-nav {
                gap: 6px;
                margin-bottom: 16px;
            }
            .nav-link {
                padding: 12px 18px !important;
            }
            .header-actions {
                flex-wrap: wrap;
            }
            .search-box {
                flex: 1;
                min-width: 100%;
                margin-bottom: 10px;
            }
            .search-box input {
                flex: 1;
                width: auto;
            }
            .page-hero {
                padding: 90px 0 80px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
            .section {
                padding: 70px 0;
            }
            .rank-side {
                padding-left: 0;
                margin-top: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box {
                padding: 48px 30px;
            }
            .cta-box h2 {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .news-card-body h3 {
                font-size: 17px;
            }
            .schedule-item {
                gap: 14px;
            }
            .schedule-date {
                min-width: 70px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .page-hero {
                padding: 72px 0 66px;
            }
            .page-hero h1 {
                font-size: 27px;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .filter-inner {
                padding: 18px;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 13px;
            }
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .schedule-date {
                min-width: auto;
                display: flex;
                gap: 8px;
                align-items: baseline;
            }
            .schedule-status {
                align-self: flex-start;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
            }
            .rank-heat {
                width: 100%;
                padding-left: 58px;
            }
            .cta-box {
                padding: 40px 22px;
                border-radius: 20px;
            }
            .cta-box .btn-light,
            .cta-box .btn-outline-light {
                width: 100%;
                margin: 8px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-body: #f1f5f9;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-dark-2: #1e293b;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(0,0,0,.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,.12);
            --transition: all .3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 24px rgba(15, 23, 42, .35);
        }

        .site-header .navbar {
            padding: 0;
        }

        .navbar-brand {
            color: #fff !important;
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: .5px;
        }

        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0f172a;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(245, 158, 11, .3);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(245, 158, 11, .3);
            border-color: var(--accent);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .72) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 8px;
            font-size: .95rem;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, .08);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 50px;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 50px;
            padding: 4px 6px 4px 16px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, .16);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: .85rem;
            width: 130px;
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, .45);
        }

        .search-box button {
            background: var(--accent);
            border: none;
            border-radius: 50%;
            width: 32px;
            height: 32px;
            color: #0f172a;
            font-size: .8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .search-box button:hover {
            background: var(--accent-dark);
            color: #fff;
        }

        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            border-radius: 50px;
            padding: 7px 18px;
            font-size: .85rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            border: none;
            color: #0f172a !important;
            border-radius: 50px;
            padding: 8px 20px;
            font-weight: 700;
            font-size: .875rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent-dark), var(--accent));
            color: #0f172a !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, .35);
        }

        .btn-primary:focus {
            box-shadow: 0 0 0 4px rgba(245, 158, 11, .25);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 96px 0 80px;
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, .93) 0%, rgba(30, 64, 175, .78) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 26px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .82);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .breadcrumb-nav i {
            font-size: .65rem;
            opacity: .5;
        }

        .breadcrumb-nav .breadcrumb-current {
            color: var(--accent);
            max-width: 340px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.35;
            max-width: 920px;
            margin: 0 auto 24px;
            letter-spacing: .5px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .badge-category {
            background: rgba(245, 158, 11, .18);
            border: 1px solid rgba(245, 158, 11, .45);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .4px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .75);
            font-size: .85rem;
        }

        .meta-item i {
            font-size: .8rem;
            opacity: .7;
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 56px 0 64px;
            background: var(--bg-body);
        }

        .article-content-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px;
            border: 1px solid var(--border);
            margin-bottom: 32px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 2;
            color: var(--text-main);
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 36px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            color: var(--text-main);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 28px 0 12px;
            color: var(--text-main);
        }

        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 22px 0 10px;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #f8fafc;
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-muted);
            font-style: italic;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: .9rem;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content table th {
            background: #f8fafc;
            font-weight: 600;
        }

        .article-content code {
            background: #f1f5f9;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: .85em;
        }

        .article-footer-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .tag-label {
            font-size: .85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .tag-chip {
            display: inline-block;
            background: #f1f5f9;
            border: 1px solid var(--border);
            color: var(--text-muted);
            border-radius: 50px;
            padding: 5px 14px;
            font-size: .8rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .tag-chip:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .article-back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .85rem;
            color: var(--text-muted);
            text-decoration: none;
            padding: 6px 16px;
            border: 1px solid var(--border);
            border-radius: 50px;
            transition: var(--transition);
        }

        .article-back-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Article Not Found ===== */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .article-not-found .not-found-icon {
            width: 80px;
            height: 80px;
            background: #f1f5f9;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 22px;
        }

        .article-not-found h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 26px;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Sidebar ===== */
        .article-sidebar .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }

        .article-sidebar .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
        }

        .article-sidebar .sidebar-card h4 i {
            color: var(--accent);
            font-size: .95rem;
        }

        .sidebar-post-item {
            display: flex;
            flex-direction: column;
            gap: 3px;
            padding: 13px 0;
            border-bottom: 1px solid #f1f5f9;
            text-decoration: none;
            transition: var(--transition);
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
        }

        .sidebar-post-item:hover {
            padding-left: 6px;
            border-bottom-color: var(--border);
        }

        .sidebar-post-title {
            font-size: .9rem;
            font-weight: 500;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-post-item:hover .sidebar-post-title {
            color: var(--primary);
        }

        .sidebar-post-date {
            font-size: .75rem;
            color: var(--text-muted);
        }

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

        .sidebar-tags .tag-chip {
            background: #f8fafc;
            color: var(--text-muted);
            border: 1px solid var(--border);
            text-decoration: none;
        }

        .sidebar-tags .tag-chip:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, #0f172a, #1e3a8a);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .sidebar-cta-card::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            background: rgba(245, 158, 11, .15);
            border-radius: 50%;
        }

        .sidebar-cta-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .sidebar-cta-card p {
            color: rgba(255, 255, 255, .75);
            font-size: .85rem;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .sidebar-cta-card .btn {
            font-size: .85rem;
            padding: 8px 22px;
        }

        .sidebar-sticky {
            position: sticky;
            top: 100px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 64px 0 70px;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-main);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-heading h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 50px;
        }

        .section-heading p {
            color: var(--text-muted);
            margin-top: 10px;
            font-size: .95rem;
        }

        .related-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .related-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .related-scroll::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 50px;
        }

        .related-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 50px;
        }

        .related-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            border: 1px solid var(--border);
            transition: var(--transition);
            flex: 0 0 auto;
            width: 280px;
            margin-bottom: 4px;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, .25);
            text-decoration: none;
        }

        .related-cover {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

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

        .related-card:hover .related-cover img {
            transform: scale(1.06);
        }

        .related-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, .78);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: #fff;
            font-size: .72rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: .3px;
        }

        .related-body {
            padding: 18px 20px 20px;
        }

        .related-body h3 {
            font-size: .95rem;
            font-weight: 600;
            line-height: 1.55;
            color: var(--text-main);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-body p {
            font-size: .82rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .related-date {
            font-size: .75rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .related-date i {
            font-size: .7rem;
        }

        .related-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            background: #f8fafc;
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.png') center / cover fixed no-repeat;
            position: relative;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, .92), rgba(30, 64, 175, .85));
        }

        .cta-card {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 48px 40px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            max-width: 760px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .8);
            font-size: 1.05rem;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .cta-card .btn-primary {
            font-size: .95rem;
            padding: 10px 28px;
            margin-right: 10px;
        }

        .cta-card .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .4);
            color: #fff;
            border-radius: 50px;
            padding: 10px 28px;
            font-size: .95rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .cta-card .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 64px 0 72px;
            background: var(--bg-body);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .faq-section .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: .95rem;
            padding: 20px 24px;
            box-shadow: none !important;
            border-radius: 0 !important;
            line-height: 1.6;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: #f8fafc;
            color: var(--primary);
            font-weight: 600;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
            border-radius: var(--radius-md) !important;
        }

        .faq-section .accordion-button::after {
            background-size: 1rem;
            filter: none;
        }

        .faq-section .accordion-body {
            padding: 0 24px 24px;
            color: var(--text-muted);
            line-height: 1.9;
            background: #fff;
            font-size: .9rem;
            border-top: 1px solid #f1f5f9;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand h3 {
            color: #fff;
            font-weight: 800;
            font-size: 1.35rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand h3 .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0f172a;
            font-size: .9rem;
        }

        .footer-brand p {
            font-size: .88rem;
            line-height: 1.8;
            max-width: 340px;
            color: rgba(255, 255, 255, .55);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 50px;
        }

        .footer-link {
            display: block;
            color: rgba(255, 255, 255, .6);
            text-decoration: none;
            font-size: .88rem;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-link:hover {
            color: var(--accent);
            padding-left: 6px;
            text-decoration: none;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .85rem;
            padding: 5px 0;
            color: rgba(255, 255, 255, .6);
        }

        .footer-contact-item i {
            color: var(--accent);
            width: 16px;
            text-align: center;
            font-size: .85rem;
        }

        .footer-bottom {
            padding: 22px 0;
            font-size: .8rem;
            color: rgba(255, 255, 255, .45);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .search-box input {
                width: 100px;
            }
            .btn-ghost {
                padding: 6px 14px;
            }
            .btn-primary {
                padding: 7px 16px;
            }
        }

        @media (max-width: 1024px) {
            .article-hero {
                padding: 70px 0 60px;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-content-card {
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 16px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px !important;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .header-actions {
                flex-wrap: wrap;
                margin-top: 12px;
                width: 100%;
            }
            .search-box {
                flex: 1;
            }
            .search-box input {
                width: 100%;
            }
            .article-sidebar {
                margin-top: 32px;
            }
            .sidebar-sticky {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 50px 0 44px;
            }
            .article-hero h1 {
                font-size: 1.65rem;
            }
            .breadcrumb-nav {
                font-size: .8rem;
                gap: 6px;
                margin-bottom: 20px;
            }
            .article-main {
                padding: 40px 0 48px;
            }
            .article-content-card {
                padding: 28px 20px;
                border-radius: 16px;
            }
            .article-content {
                font-size: 1rem;
                line-height: 1.85;
            }
            .section-heading h2 {
                font-size: 1.45rem;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .cta-card p {
                font-size: .95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .article-footer-line {
                flex-direction: column;
                align-items: flex-start;
            }
            .related-card {
                width: 240px;
            }
            .cta-card .btn-primary {
                margin-right: 0;
                margin-bottom: 10px;
                display: block;
                width: 100%;
            }
            .cta-card .btn-outline-light {
                display: block;
                width: 100%;
            }
            .search-box {
                width: 100%;
            }
            .header-actions .btn-ghost,
            .header-actions .btn-primary {
                flex: 1;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --m-primary: #4361ee;
            --m-primary-dark: #3a0ca3;
            --m-primary-light: #eef2ff;
            --m-accent: #f72585;
            --m-accent-light: #ffe5f0;
            --m-dark: #0f172a;
            --m-dark-900: #0b1120;
            --m-dark-800: #111c33;
            --m-dark-700: #1c2a45;
            --m-text: #1e293b;
            --m-text-light: #64748b;
            --m-border: #e8ecf4;
            --m-bg: #ffffff;
            --m-bg-alt: #f6f8fd;
            --m-radius-lg: 20px;
            --m-radius-md: 14px;
            --m-radius-sm: 10px;
            --m-shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --m-shadow-md: 0 8px 30px rgba(15, 23, 42, 0.10);
            --m-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);
            --m-space: 100px;
            --m-font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonicOS Sans", sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--m-font);
            color: var(--m-text);
            background: var(--m-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }
        a:focus-visible, button:focus-visible { outline: 3px solid rgba(67, 97, 238, 0.35); outline-offset: 2px; }
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
        .btn { border-radius: 10px; font-weight: 600; font-size: 15px; padding: 10px 22px; border: none; transition: all 0.3s ease; }
        .btn-primary {
            background: var(--m-primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.25);
        }
        .btn-primary:hover { background: #3451c7; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(67, 97, 238, 0.35); color: #fff; }
        .btn-accent {
            background: var(--m-accent);
            color: #fff;
            box-shadow: 0 4px 15px rgba(247, 37, 133, 0.2);
        }
        .btn-accent:hover { background: #d61e73; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(247, 37, 133, 0.3); color: #fff; }
        .btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); }
        .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }
        .btn-outline-primary { background: transparent; border: 1.5px solid var(--m-primary); color: var(--m-primary); }
        .btn-outline-primary:hover { background: var(--m-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(67,97,238,0.2); }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.93);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--m-border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled { box-shadow: 0 6px 25px rgba(15,23,42,0.06); }
        .site-header .navbar { padding: 14px 0; }
        .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--m-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
        }
        .navbar-brand:hover { color: var(--m-dark); }
        .brand-icon {
            display: inline-flex;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--m-primary), var(--m-primary-dark));
            color: #fff;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
        }
        .navbar-nav { gap: 6px; }
        .nav-link {
            font-weight: 600;
            font-size: 15.5px;
            color: var(--m-text-light);
            padding: 8px 18px !important;
            border-radius: 8px;
            transition: all 0.25s ease;
            position: relative;
        }
        .nav-link:hover { color: var(--m-primary); background: var(--m-primary-light); }
        .nav-link.active { color: var(--m-primary); background: var(--m-primary-light); }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--m-bg-alt);
            border: 1px solid var(--m-border);
            border-radius: 30px;
            padding: 0 6px 0 16px;
            transition: all 0.3s;
            height: 42px;
        }
        .search-box:focus-within { border-color: var(--m-primary); box-shadow: 0 0 0 3px rgba(67,97,238,0.1); }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            width: 150px;
            color: var(--m-text);
        }
        .search-box button {
            width: 32px;
            height: 32px;
            border: none;
            background: var(--m-primary);
            color: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover { background: var(--m-primary-dark); }

        .page-banner {
            position: relative;
            padding: 100px 0 115px;
            background: linear-gradient(135deg, #0b1120 0%, #111c33 55%, #1a2847 100%);
            overflow: hidden;
            color: #fff;
        }
        .page-banner .bg-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }
        .page-banner .container { position: relative; z-index: 2; }
        .banner-tag {
            display: inline-block;
            background: rgba(67, 97, 238, 0.25);
            border: 1px solid rgba(255,255,255,0.25);
            color: #a5b8ff;
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            padding: 4px 16px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner .banner-desc {
            font-size: 18px;
            max-width: 650px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
        }
        .breadcrumb-nav a { color: rgba(255,255,255,0.75); transition: color 0.2s; }
        .breadcrumb-nav a:hover { color: #fff; }
        .breadcrumb-nav i { font-size: 11px; }

        .section { padding: var(--m-space) 0; }
        .section-alt { background: var(--m-bg-alt); }
        .section-head { margin-bottom: 48px; }
        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--m-primary);
            background: var(--m-primary-light);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--m-dark);
            letter-spacing: -0.4px;
            margin-bottom: 12px;
        }
        .section-head p { font-size: 16px; color: var(--m-text-light); max-width: 580px; }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }
        .filter-tag {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 30px;
            border: 1.5px solid var(--m-border);
            background: #fff;
            font-size: 14px;
            font-weight: 600;
            color: var(--m-text-light);
            cursor: pointer;
            transition: all 0.25s;
        }
        .filter-tag:hover { border-color: var(--m-primary); color: var(--m-primary); }
        .filter-tag.active { background: var(--m-primary); border-color: var(--m-primary); color: #fff; box-shadow: 0 4px 12px rgba(67,97,238,0.2); }

        .guide-card {
            background: #fff;
            border-radius: var(--m-radius-lg);
            border: 1px solid var(--m-border);
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--m-shadow-md);
            border-color: transparent;
        }
        .guide-card .card-media {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .guide-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-media img { transform: scale(1.06); }
        .guide-card .media-cover {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15,23,42,0.35));
            opacity: 0;
            transition: opacity 0.3s;
        }
        .guide-card:hover .media-cover { opacity: 1; }
        .card-badges {
            position: absolute;
            top: 14px;
            left: 14px;
            right: 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 2;
        }
        .badge-cat {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(4px);
            color: var(--m-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
        }
        .badge-rank {
            background: rgba(15,23,42,0.55);
            backdrop-filter: blur(4px);
            color: #ffd166;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 30px;
            border: 1px solid rgba(255,209,102,0.3);
        }
        .card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
        .card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--m-dark); }
        .card-body .card-desc { font-size: 14.5px; color: var(--m-text-light); margin-bottom: 16px; flex: 1; }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--m-text-light);
            padding-top: 14px;
            border-top: 1px solid var(--m-border);
        }
        .card-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .card-meta i { color: var(--m-primary); font-size: 12px; }

        .hot-list-wrap {
            background: #fff;
            border-radius: var(--m-radius-lg);
            border: 1px solid var(--m-border);
            padding: 28px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--m-border);
            transition: all 0.25s;
        }
        .hot-item:last-child { border-bottom: none; }
        .hot-item:hover { padding-left: 8px; }
        .hot-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--m-border);
            font-style: italic;
            width: 46px;
            flex-shrink: 0;
            text-align: center;
        }
        .hot-item:nth-child(1) .hot-num { color: var(--m-accent); }
        .hot-item:nth-child(2) .hot-num { color: var(--m-primary); }
        .hot-item:nth-child(3) .hot-num { color: #f59e0b; }
        .hot-content { flex: 1; }
        .hot-content h4 { font-size: 16px; font-weight: 700; color: var(--m-dark); margin-bottom: 4px; }
        .hot-content p { font-size: 14px; color: var(--m-text-light); margin: 0; }
        .hot-num-label {
            background: var(--m-bg-alt);
            color: var(--m-text-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .guide-steps {
            counter-reset: step;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .step-item {
            position: relative;
            background: #fff;
            border-radius: var(--m-radius-lg);
            border: 1px solid var(--m-border);
            padding: 36px 26px 28px;
            text-align: center;
            transition: all 0.3s;
        }
        .step-item:hover { transform: translateY(-5px); box-shadow: var(--m-shadow-md); }
        .step-num {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--m-primary), var(--m-primary-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 18px rgba(67,97,238,0.28);
        }
        .step-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--m-dark); }
        .step-item p { font-size: 14px; color: var(--m-text-light); margin: 0; }

        .stats-panel {
            background: linear-gradient(135deg, var(--m-dark-900), var(--m-dark-700));
            border-radius: 28px;
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(67, 97, 238, 0.15);
            border-radius: 50%;
        }
        .stat-item { text-align: center; position: relative; z-index: 2; }
        .stat-num { font-size: 42px; font-weight: 800; color: #fff; letter-spacing: -1px; }
        .stat-label { font-size: 15px; color: rgba(255,255,255,0.6); margin-top: 4px; }
        .stat-sep { width: 1px; background: rgba(255,255,255,0.12); }

        .content-list-section { background: var(--m-bg-alt); }
        .content-item {
            background: #fff;
            border-radius: var(--m-radius-md);
            border: 1px solid var(--m-border);
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: center;
            margin-bottom: 16px;
            transition: all 0.3s;
        }
        .content-item:hover { box-shadow: var(--m-shadow-sm); transform: translateX(4px); border-color: transparent; }
        .content-item .ci-index {
            font-size: 18px;
            font-weight: 800;
            color: var(--m-primary);
            opacity: 0.35;
            min-width: 40px;
        }
        .content-item .ci-body { flex: 1; }
        .content-item .ci-body h4 { font-size: 17px; font-weight: 700; color: var(--m-dark); margin-bottom: 4px; }
        .content-item .ci-body p { font-size: 14px; color: var(--m-text-light); margin: 0; }
        .content-item .ci-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
        .ci-tag { font-size: 12px; background: var(--m-bg-alt); color: var(--m-primary); padding: 3px 12px; border-radius: 20px; font-weight: 600; }
        .ci-date { font-size: 13px; color: var(--m-text-light); }

        .faq-item {
            background: #fff;
            border: 1px solid var(--m-border);
            border-radius: var(--m-radius-md);
            padding: 24px 28px;
            margin-bottom: 14px;
            transition: all 0.3s;
        }
        .faq-item:hover { border-color: var(--m-primary); box-shadow: var(--m-shadow-sm); }
        .faq-item summary {
            font-size: 17px;
            font-weight: 700;
            color: var(--m-dark);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--m-primary);
            transition: transform 0.3s;
        }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item .faq-content { padding-top: 14px; color: var(--m-text-light); font-size: 15px; }

        .cta-section { padding: 80px 0; }
        .cta-box {
            background: linear-gradient(135deg, var(--m-primary) 0%, var(--m-primary-dark) 100%);
            border-radius: 28px;
            padding: 60px 50px;
            color: #fff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50%;
            top: -100px;
            right: -60px;
        }
        .cta-box h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
        .cta-box p { color: rgba(255,255,255,0.8); font-size: 16px; max-width: 560px; margin: 0 auto 28px; }
        .cta-box .btn { font-size: 16px; padding: 12px 32px; }
        .cta-box .btn-white { background: #fff; color: var(--m-primary); }
        .cta-box .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }

        .site-footer {
            background: var(--m-dark-900);
            color: rgba(255,255,255,0.65);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 50px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand p { font-size: 14.5px; line-height: 1.8; max-width: 320px; }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 14.5px;
            padding: 4px 0;
            transition: all 0.25s;
        }
        .footer-link:hover { color: #fff; padding-left: 4px; }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14.5px;
            padding: 5px 0;
            color: rgba(255,255,255,0.6);
        }
        .footer-contact-item i { color: var(--m-primary); width: 16px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13.5px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); padding: 0 4px; }
        .footer-bottom a:hover { color: #fff; }

        @media (max-width: 1199.98px) {
            .search-box input { width: 110px; }
        }
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: var(--m-radius-md);
                box-shadow: var(--m-shadow-md);
                padding: 20px;
                margin-top: 12px;
            }
            .navbar-nav { gap: 0; }
            .header-actions { margin-top: 16px; flex-wrap: wrap; }
            .search-box { flex: 1; min-width: 180px; }
            .page-banner { padding: 70px 0 85px; }
            .page-banner h1 { font-size: 36px; }
            .guide-steps { grid-template-columns: repeat(2, 1fr); }
            .content-item { flex-direction: column; align-items: flex-start; }
            .content-item .ci-meta { flex-direction: row; align-items: center; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767.98px) {
            .section { padding: 70px 0; }
            .section-head h2 { font-size: 28px; }
            .page-banner h1 { font-size: 30px; }
            .guide-steps { grid-template-columns: 1fr; }
            .stats-panel { padding: 40px 24px; }
            .stat-sep { display: none; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .cta-box { padding: 44px 28px; }
        }
        @media (max-width: 575.98px) {
            .site-header .navbar { padding: 10px 0; }
            .navbar-brand { font-size: 19px; }
            .page-banner h1 { font-size: 26px; }
            .hot-item { flex-wrap: wrap; }
            .hot-num { width: 36px; font-size: 24px; }
            .filter-bar { gap: 8px; }
            .filter-tag { padding: 6px 16px; font-size: 13px; }
        }