/* roulang page: index */
:root {
            --primary: #0A5C5E;
            --primary-dark: #074748;
            --primary-light: #E8F1F0;
            --accent: #C6A664;
            --accent-light: #F5EFE3;
            --body-text: #1F2A2E;
            --muted-text: #5E6F73;
            --bg-white: #FFFFFF;
            --bg-warm: #FAFAF7;
            --border-color: #E4E9E7;
            --dark-bg: #082E30;
            --card-radius: 12px;
            --btn-radius: 8px;
            --input-radius: 10px;
            --shadow-sm: 0 2px 8px rgba(8, 46, 48, 0.06);
            --shadow-md: 0 8px 24px rgba(8, 46, 48, 0.12);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-digit: "Inter", "Roboto", sans-serif;
            --spacing-section: 88px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .25s;
        }

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

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

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

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

        section {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted-text);
            max-width: 620px;
            line-height: 1.8;
        }

        .text-primary-custom {
            color: var(--primary) !important;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 52px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

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

        .brand-logo .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-logo .logo-icon svg {
            width: 18px;
            height: 18px;
            fill: var(--accent);
        }

        .brand-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--body-text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-text span {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            padding: 6px 16px;
            gap: 8px;
            width: 200px;
            transition: border-color .25s, box-shadow .25s;
        }

        .header-actions .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 92, 94, 0.12);
        }

        .header-actions .search-box i {
            color: var(--muted-text);
            font-size: 14px;
        }

        .header-actions .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 13px;
            width: 100%;
            color: var(--body-text);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--body-text);
            cursor: pointer;
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
        }

        .channel-nav {
            border-top: 1px solid var(--border-color);
            background: rgba(255, 255, 255, 0.96);
        }

        .channel-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 46px;
        }

        .channel-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-list::-webkit-scrollbar {
            display: none;
        }

        .channel-list a {
            display: flex;
            align-items: center;
            height: 46px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted-text);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            position: relative;
        }

        .channel-list a:hover {
            color: var(--primary);
        }

        .channel-list a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted-text);
            flex-shrink: 0;
        }

        .trend-tags a {
            color: var(--primary);
            font-weight: 500;
        }

        .trend-tags a:hover {
            color: var(--accent);
        }

        .trend-tags .tag-sep {
            color: var(--border-color);
        }

        @media (max-width: 991px) {
            .header-actions .search-box {
                display: none;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .channel-nav {
                display: none;
                height: auto;
            }

            .channel-nav.open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: var(--shadow-md);
                border-top: none;
                padding: 12px 0;
            }

            .channel-list {
                flex-direction: column;
                gap: 0;
                padding: 0 24px;
            }

            .channel-list a {
                width: 100%;
                height: 42px;
                border-bottom: none;
                border-left: 3px solid transparent;
                padding-left: 12px;
            }

            .channel-list a.active {
                border-left-color: var(--primary);
                border-bottom: none;
                background: var(--primary-light);
            }

            .trend-tags {
                padding: 12px 24px 4px;
                border-top: 1px solid var(--border-color);
                margin-top: 8px;
            }

            .header-top {
                height: 56px;
                padding: 0 16px;
            }
        }

        @media (max-width: 576px) {
            .brand-logo .logo-text {
                font-size: 16px;
            }

            .header-top {
                padding: 0 12px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: var(--dark-bg);
            padding: 96px 0 88px;
            color: #fff;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .4;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, var(--dark-bg) 20%, rgba(8, 46, 48, 0.65) 60%, rgba(8, 46, 48, 0.4));
        }

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

        .hero-text h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .hero-text h1 .accent {
            color: var(--accent);
        }

        .hero-text .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #1F2A2E;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--btn-radius);
            border: none;
            transition: all .25s;
        }

        .btn-cta-primary:hover {
            background: #d4b578;
            color: #1F2A2E;
            box-shadow: 0 4px 16px rgba(198, 166, 100, 0.45);
            transform: translateY(-2px);
        }

        .btn-cta-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: all .25s;
        }

        .btn-cta-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 12px;
        }

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

        .hero-data-card {
            background: #fff;
            border-radius: var(--card-radius);
            padding: 28px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }

        .hero-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .hero-data-item .num {
            font-family: var(--font-digit);
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-data-item .label {
            font-size: 13px;
            color: var(--muted-text);
            margin-top: 4px;
        }

        .hero-data-item .trend {
            font-size: 11px;
            color: #2e9e71;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 2px;
        }

        @media (max-width: 991px) {
            .hero-section {
                padding: 64px 0;
            }

            .hero-text h1 {
                font-size: 32px;
            }

            .hero-card-wrap {
                margin-top: 36px;
            }
        }

        @media (max-width: 576px) {
            .hero-text h1 {
                font-size: 28px;
            }

            .hero-text .hero-desc {
                font-size: 15px;
            }

            .hero-data-grid {
                gap: 16px;
            }

            .hero-data-item .num {
                font-size: 24px;
            }
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: #fff;
            padding: 32px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .stat-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--card-radius);
            background: var(--bg-warm);
            transition: all .3s;
        }

        .stat-card:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .stat-card .stat-num {
            font-family: var(--font-digit);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: var(--muted-text);
            margin-top: 4px;
        }

        .stat-card .stat-trend {
            font-size: 12px;
            color: #2e9e71;
            margin-top: 2px;
        }

        @media (max-width: 991px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-card .stat-num {
                font-size: 26px;
            }
        }

        /* ===== Services Matrix ===== */
        .services-section {
            background: var(--bg-warm);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--card-radius);
            padding: 32px 28px;
            border: 1px solid rgba(228, 233, 231, 0.6);
            box-shadow: var(--shadow-sm);
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: opacity .3s;
        }

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

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

        .service-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--body-text);
        }

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

        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: gap .3s;
        }

        .service-card .service-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        @media (max-width: 991px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Compare Section ===== */
        .compare-section {
            background: #fff;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }

        .compare-card {
            border-radius: var(--card-radius);
            padding: 32px;
            border: 2px solid var(--border-color);
            background: #fff;
            transition: all .3s;
        }

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

        .compare-card.before {
            border-color: var(--border-color);
        }

        .compare-card.after {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .compare-card .compare-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--bg-warm);
            color: var(--muted-text);
            margin-bottom: 16px;
        }

        .compare-card.after .compare-label {
            background: var(--accent);
            color: #1F2A2E;
        }

        .compare-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .compare-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--body-text);
            border-bottom: 1px dashed rgba(228, 233, 231, 0.8);
        }

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

        .compare-list li .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .compare-list li .arrow {
            color: var(--muted-text);
            font-size: 13px;
        }

        .btn-compare-border {
            display: inline-block;
            padding: 10px 24px;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--btn-radius);
            transition: all .25s;
        }

        .btn-compare-border:hover {
            background: rgba(10, 92, 94, 0.06);
            color: var(--primary-dark);
        }

        .btn-compare-solid {
            display: inline-block;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--btn-radius);
            transition: all .25s;
            border: none;
        }

        .btn-compare-solid:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 12px rgba(10, 92, 94, 0.3);
            transform: translateY(-2px);
        }

        @media (max-width: 991px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== News List ===== */
        .news-section {
            background: var(--bg-warm);
        }

        .news-list-wrap {
            margin-top: 36px;
        }

        .news-item {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: var(--card-radius);
            padding: 20px 24px;
            margin-bottom: 16px;
            border: 1px solid rgba(228, 233, 231, 0.6);
            box-shadow: var(--shadow-sm);
            transition: all .3s;
            gap: 24px;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 140px;
            height: 90px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-light);
            border: 1px solid var(--border-color);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            font-size: 13px;
        }

        .news-cat {
            display: inline-block;
            padding: 2px 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
        }

        .news-date {
            color: var(--muted-text);
        }

        .news-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--body-text);
            margin-bottom: 6px;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-item h3 a {
            color: inherit;
        }

        .news-item h3 a:hover {
            color: var(--primary);
        }

        .news-summary {
            font-size: 14px;
            color: var(--muted-text);
            line-height: 1.7;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 8px;
        }

        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 4px;
        }

        .news-readmore i {
            transition: transform .3s;
        }

        .news-readmore:hover i {
            transform: translateX(4px);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--card-radius);
            border: 1px dashed var(--border-color);
        }

        .news-empty i {
            font-size: 40px;
            color: var(--muted-text);
            opacity: .5;
            margin-bottom: 12px;
            display: block;
        }

        .news-empty p {
            color: var(--muted-text);
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }

            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 576px) {
            .news-thumb {
                height: 130px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-top: 40px;
        }

        .faq-left h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .faq-left p {
            color: var(--muted-text);
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-left .faq-contact {
            margin-top: 28px;
            padding: 24px;
            background: var(--accent-light);
            border-radius: var(--card-radius);
            border-left: 4px solid var(--accent);
        }

        .faq-left .faq-contact h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .faq-left .faq-contact p {
            font-size: 14px;
            color: var(--muted-text);
            margin-bottom: 12px;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 10px !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s;
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--primary);
        }

        .faq-accordion .accordion-button {
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--body-text);
            background: #fff;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(10, 92, 94, 0.15);
            border-radius: 10px;
        }

        .faq-accordion .accordion-button::after {
            font-family: 'bootstrap-icons';
            background: none;
            font-size: 16px;
            content: '\f282';
            transition: transform .3s;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f286';
            transform: none;
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--muted-text);
            line-height: 1.8;
            background: #fff;
            border-top: 1px solid var(--border-color);
        }

        @media (max-width: 991px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ===== Form Section ===== */
        .contact-section {
            background: var(--dark-bg);
            padding: 88px 0;
        }

        .contact-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .contact-heading {
            text-align: center;
            color: #fff;
            margin-bottom: 40px;
        }

        .contact-heading h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .contact-heading p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
        }

        .contact-form-card {
            background: #fff;
            border-radius: 12px;
            padding: 36px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }

        .contact-form-card .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--body-text);
            margin-bottom: 6px;
        }

        .contact-form-card .form-control,
        .contact-form-card .form-select {
            border: 1px solid #DCE3E1;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--body-text);
            transition: border-color .25s, box-shadow .25s;
            min-height: 50px;
        }

        .contact-form-card .form-control:focus,
        .contact-form-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 92, 94, 0.15);
            outline: none;
        }

        .contact-form-card textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }

        .contact-form-card .btn-submit {
            width: 100%;
            padding: 14px 32px;
            background: var(--accent);
            border: none;
            color: #1F2A2E;
            font-size: 16px;
            font-weight: 700;
            border-radius: 10px;
            transition: all .25s;
            letter-spacing: 0.03em;
        }

        .contact-form-card .btn-submit:hover {
            background: #d8b97a;
            box-shadow: 0 6px 20px rgba(198, 166, 100, 0.4);
            transform: translateY(-2px);
        }

        .form-privacy {
            text-align: center;
            font-size: 12px;
            color: rgba(95, 110, 115, 0.75);
            margin-top: 14px;
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .contact-form-card {
                padding: 24px 18px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #082E30;
            color: rgba(255, 255, 255, 0.8);
            padding-top: 64px;
            border-top: 3px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-brand .footer-logo .logo-icon svg {
            fill: var(--dark-bg);
        }

        .footer-brand .footer-logo .footer-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: all .25s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact-list li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

        .footer-contact-list li i {
            color: var(--accent);
            margin-top: 3px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

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

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

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Button Focus Visible ===== */
        .btn-cta-primary:focus-visible,
        .btn-cta-outline-light:focus-visible,
        .btn-compare-solid:focus-visible,
        .btn-compare-border:focus-visible,
        .btn-submit:focus-visible,
        .btn,
        .btn-submit,
        .channel-list a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Utility ===== */
        .text-muted-custom {
            color: var(--muted-text);
        }

        .bg-warm-custom {
            background: var(--bg-warm);
        }

        .mb-16 {
            margin-bottom: 16px;
        }

        .mb-24 {
            margin-bottom: 24px;
        }

        .mb-40 {
            margin-bottom: 40px;
        }

/* roulang page: category1 */
:root{
    --primary:#0A5C5E;
    --primary-dark:#08494A;
    --primary-light:#E8F1F0;
    --primary-transparent:rgba(10,92,94,.05);
    --accent:#C6A664;
    --accent-dark:#B08F4F;
    --accent-light:#F5EFE3;
    --body:#1F2A2E;
    --text-muted:#5E6F73;
    --bg:#FFFFFF;
    --bg-soft:#FAFAF7;
    --border:#E4E9E7;
    --dark:#082E30;
    --radius:12px;
    --radius-sm:8px;
    --radius-lg:16px;
    --shadow:0 2px 8px rgba(8,46,48,.06);
    --shadow-hover:0 8px 24px rgba(8,46,48,.12);
    --transition:.25s ease;
    --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
    font-family:var(--font);
    color:var(--body);
    background:var(--bg);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:var(--primary);transition:color var(--transition);}
a:hover{color:var(--primary-dark);}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.btn{border-radius:var(--radius-sm);padding:12px 26px;font-weight:600;font-size:15px;transition:all var(--transition);border:0;outline:none;}
.btn:focus-visible,.btn-link:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 12px rgba(10,92,94,.3);color:#fff;}
.btn-accent{background:var(--accent);color:#1F2A2E;}
.btn-accent:hover{background:var(--accent-dark);box-shadow:0 4px 14px rgba(198,166,100,.35);color:#fff;}
.btn-outline{border:1px solid var(--primary);background:transparent;color:var(--primary);}
.btn-outline:hover{background:var(--primary-transparent);color:var(--primary-dark);}
.btn-icon{display:inline-flex;align-items:center;gap:6px;}
/* Header */
.site-header{
    position:sticky;top:0;z-index:1030;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
    box-shadow:0 1px 4px rgba(8,46,48,.04);
}
.header-top{
    display:flex;align-items:center;justify-content:space-between;
    max-width:1200px;margin:0 auto;padding:10px 20px;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{
    display:flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:10px;
    background:var(--primary);color:#fff;
}
.logo-icon svg{width:20px;height:20px;}
.logo-text{
    font-size:19px;font-weight:800;color:var(--body);letter-spacing:.5px;
}
.logo-text span{color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:14px;}
.search-box{
    display:flex;align-items:center;gap:8px;
    background:var(--bg-soft);border:1px solid var(--border);
    border-radius:999px;padding:7px 16px;width:240px;
    transition:border-color var(--transition),box-shadow var(--transition);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(10,92,94,.08);}
.search-box i{color:var(--text-muted);font-size:14px;}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:100%;color:var(--body);}
.search-box input::placeholder{color:var(--text-muted);}
.navbar-toggler-custom{
    display:none;background:transparent;border:1px solid var(--border);
    width:38px;height:38px;border-radius:8px;align-items:center;justify-content:center;
    font-size:20px;color:var(--body);cursor:pointer;transition:all var(--transition);
}
.navbar-toggler-custom:hover{border-color:var(--primary);color:var(--primary);}
.channel-nav{border-top:1px solid var(--border);background:rgba(255,255,255,.98);}
.channel-nav-inner{
    max-width:1200px;margin:0 auto;padding:0 20px;
    display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;
}
.channel-list{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap;}
.channel-list li a{
    display:block;padding:9px 16px;font-size:15px;font-weight:500;
    color:var(--text-muted);border-radius:6px;position:relative;transition:color var(--transition),background var(--transition);
}
.channel-list li a:hover{color:var(--primary);background:var(--primary-light);}
.channel-list li a.active{color:var(--primary);font-weight:700;}
.channel-list li a.active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:1px;height:2px;
    background:var(--primary);border-radius:2px;
}
.trend-tags{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);white-space:nowrap;}
.trend-tags a{color:var(--primary);font-weight:500;font-size:13px;}
.trend-tags a:hover{color:var(--accent-dark);}
.tag-sep{color:var(--border);}
/* Category Hero */
.category-hero{
    position:relative;padding:72px 0 64px;color:#fff;overflow:hidden;
    background:var(--dark);
}
.category-hero-bg{
    position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;
}
.category-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(8,46,48,.92) 30%,rgba(8,46,48,.65) 70%,rgba(8,46,48,.45) 100%);
}
.category-hero .container{position:relative;z-index:2;}
.breadcrumb-nav{margin-bottom:32px;}
.breadcrumb-nav .breadcrumb{margin-bottom:0;font-size:13px;}
.breadcrumb-nav .breadcrumb-item a{color:rgba(255,255,255,.75);}
.breadcrumb-nav .breadcrumb-item a:hover{color:var(--accent);}
.breadcrumb-nav .breadcrumb-item.active{color:rgba(255,255,255,.9);}
.breadcrumb-nav .breadcrumb-item+.breadcrumb-item::before{content:"/";color:rgba(255,255,255,.5);}
.category-hero h1{
    font-size:40px;font-weight:800;letter-spacing:1px;margin-bottom:18px;line-height:1.25;
}
.category-hero .category-desc{
    font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);
    max-width:720px;margin-bottom:0;
}
/* Category Content */
.category-content{padding:72px 0 80px;background:var(--bg-soft);}
.category-content .container{max-width:1200px;}
.section-heading{
    display:flex;align-items:flex-end;justify-content:space-between;
    margin-bottom:36px;flex-wrap:wrap;gap:12px;
}
.section-heading .h2-title{font-size:28px;font-weight:700;color:var(--body);margin:0;position:relative;padding-left:16px;}
.section-heading .h2-title::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
    background:var(--primary);border-radius:4px;
}
.section-heading .section-sub{color:var(--text-muted);font-size:14px;margin:0;}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.category-card{
    background:var(--bg);border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow);transition:box-shadow var(--transition),transform var(--transition);
    display:flex;flex-direction:column;height:100%;
    border:1px solid rgba(228,233,231,.6);
}
.category-card:hover{
    box-shadow:var(--shadow-hover);transform:translateY(-3px);
}
.card-cover{
    position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:#E8F1F0;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.category-card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{
    content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,46,48,.15) 100%);
    pointer-events:none;
}
.card-tag{
    position:absolute;top:16px;left:16px;z-index:2;
    background:var(--primary);color:#fff;font-size:12px;font-weight:600;
    padding:5px 14px;border-radius:999px;letter-spacing:.4px;
}
.category-card .card-body{padding:24px 22px 20px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:12px;}
.card-title a{color:var(--body);}
.card-title a:hover{color:var(--primary);}
.card-text{font-size:14px;line-height:1.75;color:var(--text-muted);margin-bottom:18px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
    display:flex;align-items:center;justify-content:space-between;
    padding-top:14px;border-top:1px solid var(--border);margin-top:auto;
}
.card-date{font-size:13px;color:var(--text-muted);}
.read-more{
    font-size:14px;font-weight:600;color:var(--primary);
    display:inline-flex;align-items:center;gap:5px;transition:gap var(--transition),color var(--transition);
}
.read-more i{font-size:12px;transition:transform var(--transition);}
.read-more:hover{color:var(--accent-dark);gap:9px;}
.read-more:hover i{transform:translateX(2px);}
/* Pagination */
.pagination-wrap{display:flex;justify-content:center;margin-top:56px;}
.pagination{margin-bottom:0;display:flex;gap:6px;list-style:none;padding:0;}
.page-item .page-link{
    display:flex;align-items:center;justify-content:center;
    min-width:40px;height:40px;padding:0 12px;
    border:1px solid var(--border);border-radius:var(--radius-sm);
    color:var(--text-muted);font-size:14px;font-weight:500;background:var(--bg);
    transition:all var(--transition);
}
.page-item .page-link:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light);}
.page-item.active .page-link{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 10px rgba(10,92,94,.25);}
.page-item.disabled .page-link{opacity:.5;pointer-events:none;background:var(--bg-soft);}
/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.85);padding:68px 0 0;border-top:3px solid var(--primary);}
.footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;
    padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-icon{background:var(--accent);color:var(--dark);}
.footer-logo-text{font-size:18px;font-weight:700;color:#fff;letter-spacing:.5px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.65);max-width:340px;margin-bottom:0;}
.footer-col h4{
    font-size:16px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
    content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);
    border-radius:2px;
}
.footer-links,.footer-contact-list{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:color var(--transition);}
.footer-links a:hover{color:var(--accent);padding-left:5px;}
.footer-contact-list li{
    display:flex;align-items:center;gap:10px;font-size:14px;
    color:rgba(255,255,255,.6);margin-bottom:12px;
}
.footer-contact-list i{color:var(--accent);font-size:14px;}
.footer-bottom{
    padding:22px 0;text-align:center;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);margin-bottom:0;}
/* Responsive */
@media (max-width:991.98px){
    .header-top{flex-wrap:wrap;}
    .navbar-toggler-custom{display:flex;}
    .channel-nav{display:none;}
    .channel-nav.open{display:block;}
    .channel-nav-inner{flex-direction:column;align-items:flex-start;padding:14px 20px;gap:12px;}
    .channel-list{flex-direction:column;width:100%;}
    .channel-list li a{width:100%;}
    .trend-tags{width:100%;white-space:normal;flex-wrap:wrap;}
    .search-box{width:200px;}
    .category-hero{padding:52px 0 46px;}
    .category-hero h1{font-size:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
    .header-top{padding:10px 16px;}
    .search-box{display:none;}
    .navbar-toggler-custom{display:flex;}
    .category-hero{padding:40px 0 36px;}
    .category-hero h1{font-size:28px;}
    .category-hero .category-desc{font-size:14px;}
    .category-content{padding:48px 0 56px;}
    .category-grid{grid-template-columns:1fr;gap:20px;}
    .section-heading{padding:0 4px;}
    .section-heading .h2-title{font-size:24px;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-brand p{max-width:100%;}
    .card-title{font-size:18px;}
    .card-text{-webkit-line-clamp:3;}
    .page-item .page-link{min-width:36px;height:36px;padding:0 10px;font-size:13px;}
}
@media (max-width:575.98px){
    .category-hero h1{font-size:26px;}
    .section-heading .h2-title{font-size:22px;padding-left:12px;}
    .card-cover{aspect-ratio:16/10;}
    .category-card .card-body{padding:18px 16px 16px;}
    .footer-bottom p{font-size:12px;}
}

/* roulang page: article */
:root {
            --primary: #0A5C5E;
            --primary-dark: #08494B;
            --primary-light: #E8F1F0;
            --accent: #C6A664;
            --accent-light: #F5EFE3;
            --body-color: #1F2A2E;
            --muted: #5E6F73;
            --bg: #FAFAF7;
            --white: #FFFFFF;
            --border: #E4E9E7;
            --dark: #082E30;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --shadow-sm: 0 2px 8px rgba(8, 46, 48, .06);
            --shadow-lg: 0 8px 24px rgba(8, 46, 48, .12);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "PingFang SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--body-color);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ============ Header & Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(8, 46, 48, .04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 8px;
        }

        .logo-icon svg {
            fill: none;
            stroke: var(--white);
            stroke-width: 2;
            width: 16px;
            height: 16px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: .2px;
            color: var(--body-color);
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--primary);
            margin-left: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            gap: 8px;
            width: 200px;
            transition: border-color .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 92, 94, .12);
        }

        .search-box i {
            color: var(--muted);
            font-size: 14px;
        }

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

        .search-box input::placeholder {
            color: #A0ACAF;
        }

        .navbar-toggler-custom {
            display: none;
            border: 1px solid var(--border);
            background: var(--white);
            border-radius: 8px;
            width: 40px;
            height: 36px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--body-color);
            cursor: pointer;
            transition: background .2s, border-color .2s;
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .navbar-toggler-custom:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(10, 92, 94, .25);
        }

        .channel-nav {
            border-top: 1px solid var(--border);
            background: var(--white);
        }

        .channel-nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 44px;
            padding: 0 24px;
            gap: 20px;
        }

        .channel-list {
            list-style: none;
            display: flex;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .channel-list li {
            margin: 0;
        }

        .channel-list a {
            display: inline-block;
            padding: 9px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            border-radius: 6px;
            position: relative;
            transition: color .2s, background .2s;
        }

        .channel-list a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .channel-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-list a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .channel-list a:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(10, 92, 94, .25);
            border-radius: 6px;
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            white-space: nowrap;
        }

        .trend-tags span {
            color: #A0ACAF;
        }

        .trend-tags a {
            color: var(--primary);
            font-weight: 500;
        }

        .trend-tags a:hover {
            color: var(--accent);
        }

        .tag-sep {
            color: var(--border);
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            padding: 0;
            font-size: 13px;
            --bs-breadcrumb-divider: '>';
            --bs-breadcrumb-divider-color: #B0BCBE;
        }

        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--muted);
            text-decoration: none;
        }

        .breadcrumb-wrap .breadcrumb-item a:hover {
            color: var(--primary);
        }

        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--body-color);
            font-weight: 500;
        }

        /* ============ Article Header ============ */
        .article-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
        }

        .article-header-inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-cat-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .article-header-inner h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--body-color);
            margin: 0 0 16px;
            max-width: 100%;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--muted);
            align-items: center;
        }

        .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ============ Article Body ============ */
        .article-main {
            background: var(--bg);
            padding: 48px 0 64px;
        }

        .article-panel {
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: clamp(24px, 4vw, 48px);
            max-width: 860px;
            margin: 0 auto;
            border: 1px solid var(--border);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--body-color);
        }

        .article-body p {
            margin-bottom: 24px;
        }

        .article-body p:first-of-type {
            font-size: 17px;
            color: var(--body-color);
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin: 40px 0 20px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            color: var(--body-color);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.5;
            margin: 32px 0 16px;
            color: var(--body-color);
        }

        .article-body img {
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: var(--shadow-sm);
            width: 100%;
            object-fit: cover;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 28px 0;
            color: var(--muted);
            font-size: 15px;
        }

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

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

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

        .article-body a:hover {
            color: var(--accent);
        }

        .article-tags {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            font-weight: 500;
        }

        /* ============ Empty State ============ */
        .article-empty {
            text-align: center;
            padding: 60px 24px;
        }

        .article-empty i {
            font-size: 48px;
            color: #B0BCBE;
            display: block;
            margin-bottom: 16px;
        }

        .article-empty p {
            font-size: 18px;
            font-weight: 600;
            color: var(--body-color);
            margin-bottom: 20px;
        }

        /* ============ Related Posts ============ */
        .related-section {
            background: var(--bg);
            padding: 0 0 72px;
        }

        .related-section .container {
            max-width: 1200px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--body-color);
            margin-bottom: 28px;
            position: relative;
            padding-left: 14px;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 2px;
            background: var(--accent);
        }

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

        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            height: 100%;
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .related-card .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .related-card h3 a {
            color: var(--body-color);
            text-decoration: none;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card h3 a:hover {
            color: var(--primary);
        }

        .related-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-date {
            font-size: 13px;
            color: #A0ACAF;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-return {
            max-width: 860px;
            margin: 32px auto 0;
            padding: 0 24px;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .article-return a {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s, transform .2s;
        }

        .article-return a:hover {
            color: var(--accent);
        }

        .article-return a i {
            transition: transform .2s;
        }

        .article-return a:hover i {
            transform: translateX(-3px);
        }

        /* ============ Buttons ============ */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 11px 28px;
            font-size: 15px;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(10, 92, 94, .3);
            color: var(--white);
        }

        .btn-outline-primary {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline-primary:hover {
            background: rgba(10, 92, 94, .06);
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn:focus-visible, .btn-outline-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(10, 92, 94, .3);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .85);
            padding: 64px 0 0;
            border-top: 4px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-icon {
            background: var(--accent);
            width: 32px;
            height: 32px;
            border-radius: 8px;
        }

        .footer-logo .logo-icon svg {
            fill: none;
            stroke: var(--dark);
            stroke-width: 2;
            width: 18px;
            height: 18px;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .7);
            margin: 0;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            text-decoration: none;
            transition: color .2s;
        }

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

        .footer-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .footer-contact-list i {
            color: var(--accent);
            font-size: 15px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
            text-decoration: none;
        }

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

        /* ============ Utility ============ */
        .section-padding {
            padding: 80px 0;
        }

        /* ============ Responsive ============ */
        @media (max-width: 991.98px) {
            .header-top {
                height: 56px;
                padding: 0 16px;
            }

            .search-box {
                width: 160px;
            }

            .navbar-toggler-custom {
                display: inline-flex;
            }

            .channel-nav {
                display: none;
                border-top: 1px solid var(--border);
                background: var(--white);
                box-shadow: 0 12px 20px rgba(8, 46, 48, .06);
            }

            .channel-nav.show {
                display: block;
            }

            .channel-nav-inner {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 12px 16px;
                gap: 8px;
            }

            .channel-list {
                flex-direction: column;
                gap: 0;
            }

            .channel-list a {
                display: block;
                padding: 12px 14px;
                border-radius: 8px;
            }

            .channel-list a.active::after {
                display: none;
            }

            .channel-list a.active {
                background: var(--primary-light);
            }

            .trend-tags {
                padding: 4px 14px 8px;
                font-size: 13px;
            }

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

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

        @media (max-width: 767.98px) {
            .search-box {
                display: none;
            }

            .article-header {
                padding: 32px 0 28px;
            }

            .article-header-inner h1 {
                font-size: 26px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-panel {
                padding: 20px;
                border-radius: 12px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 21px;
                margin: 28px 0 16px;
            }

            .article-body h3 {
                font-size: 18px;
            }

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

            .related-section {
                padding-bottom: 48px;
            }

            .section-title {
                font-size: 22px;
                margin-bottom: 20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .article-return {
                gap: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 26px;
                height: 26px;
            }

            .channel-nav-inner {
                padding: 10px 12px;
            }

            .breadcrumb-wrap {
                padding: 10px 0;
            }

            .breadcrumb-wrap .breadcrumb {
                font-size: 12px;
                flex-wrap: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .article-panel {
                padding: 18px;
            }

            .article-body p {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-body img {
                border-radius: 8px;
                margin: 20px 0;
            }

            .article-tags {
                gap: 6px;
            }

            .tag-item {
                font-size: 12px;
                padding: 4px 10px;
            }

            .article-empty {
                padding: 40px 16px;
            }

            .article-empty i {
                font-size: 36px;
            }

            .article-empty p {
                font-size: 16px;
            }

            .trend-tags {
                flex-wrap: wrap;
                gap: 6px;
            }
        }