/* roulang page: index */
:root {
            --primary: #125052;
            --primary-dark: #0C3336;
            --accent: #C96F32;
            --accent-hover: #B65A26;
            --accent-active: #9E4B1F;
            --bg: #F7F5F1;
            --text: #1F2A2A;
            --text-muted: #6C7675;
            --border: #E4E0D8;
            --highlight-bg: #F0EBE3;
            --success: #3C7A68;
            --error: #B64F3E;
            --radius-lg: 14px;
            --radius-sm: 10px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow: 0 4px 20px rgba(31, 42, 42, 0.08);
            --shadow-hover: 0 8px 28px rgba(31, 42, 42, 0.12);
            --font-primary: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-number: "Barlow Condensed", "Arial Narrow", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--bg);
            color: var(--text);
            font-size: 17px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 64px;
            background: rgba(247, 245, 241, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(228, 224, 216, 0.7);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.header-scrolled {
            background: var(--bg);
            box-shadow: 0 4px 24px rgba(31, 42, 42, 0.08);
            border-bottom-color: var(--border);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--text);
            letter-spacing: 0.3px;
            margin-right: 32px;
            padding: 0;
            white-space: nowrap;
        }
        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            flex-shrink: 0;
        }
        .site-header .navbar-brand:hover {
            color: var(--text);
        }
        .site-header .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }
        .site-header .nav-menu .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: background .2s, color .2s;
        }
        .site-header .nav-menu .nav-link:hover {
            color: var(--primary);
            background: rgba(18, 80, 82, 0.06);
        }
        .site-header .nav-menu .nav-link.active {
            color: var(--primary);
            background: rgba(18, 80, 82, 0.08);
            font-weight: 600;
        }
        .site-header .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-header .search-form {
            display: flex;
            align-items: center;
            background: var(--highlight-bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 0 14px;
            height: 38px;
            transition: border-color .2s, box-shadow .2s;
        }
        .site-header .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.12);
        }
        .site-header .search-form input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 130px;
        }
        .site-header .search-form input::placeholder {
            color: var(--text-muted);
        }
        .site-header .search-form button {
            border: none;
            background: transparent;
            color: var(--text-muted);
            padding: 4px;
            font-size: 14px;
            cursor: pointer;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all .25s ease;
            text-decoration: none;
            cursor: pointer;
            line-height: 1;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(201, 111, 50, 0.28);
        }
        .btn-primary-custom:active {
            background: var(--accent-active);
            border-color: var(--accent-active);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: rgba(18, 80, 82, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .btn-outline-custom:active {
            background: rgba(18, 80, 82, 0.14);
            transform: translateY(0);
        }
        .btn-sm-custom {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .btn-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            padding: 4px 0;
            transition: gap .25s ease;
        }
        .btn-link-arrow:hover {
            color: var(--accent);
            gap: 10px;
        }
        .site-header .btn-text-nav {
            background: none;
            border: none;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 10px;
            cursor: pointer;
            transition: color .2s;
            text-decoration: none;
        }
        .site-header .btn-text-nav:hover {
            color: var(--primary);
        }
        .site-header .btn-nav-primary {
            background: var(--accent);
            color: #fff;
            border-radius: 6px;
            height: 38px;
            padding: 0 18px;
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 600;
            transition: background .2s;
            text-decoration: none;
            border: none;
        }
        .site-header .btn-nav-primary:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            background: transparent;
            border-radius: 6px;
            color: var(--text);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.2);
            outline: none;
        }
        .navbar-toggler .toggler-icon {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            margin: 5px 0;
            border-radius: 2px;
            transition: transform .2s;
        }
        .navbar-collapse-custom {
            background: var(--bg);
        }
        @media (max-width: 991.98px) {
            .site-header {
                height: 60px;
            }
            .site-header .navbar {
                min-height: 60px;
            }
            .site-header .navbar-collapse {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg);
                box-shadow: 0 8px 30px rgba(31, 42, 42, 0.1);
                padding: 16px 20px 20px;
                border-bottom: 1px solid var(--border);
                display: none;
            }
            .site-header .navbar-collapse.show {
                display: block;
            }
            .site-header .nav-menu {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                margin-bottom: 12px;
            }
            .site-header .nav-actions {
                flex-wrap: wrap;
                width: 100%;
            }
            .site-header .search-form {
                width: 100%;
                margin-bottom: 10px;
            }
            .site-header .search-form input {
                flex: 1;
                width: auto;
            }
            .site-header .btn-nav-primary {
                flex: 1;
                justify-content: center;
            }
            .site-header .btn-text-nav {
                padding-left: 0;
            }
        }
        .mobile-nav-toggle {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
            border-radius: 6px;
        }
        @media (max-width: 991.98px) {
            .mobile-nav-toggle {
                display: block;
            }
        }
        .hero {
            padding: 120px 0 70px;
            background: var(--bg);
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: rgba(18, 80, 82, 0.04);
            border-radius: 0 0 0 60px;
            pointer-events: none;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero .badge-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(18, 80, 82, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(18, 80, 82, 0.12);
        }
        .hero h1 {
            font-size: 46px;
            line-height: 1.22;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero .lead {
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 30px;
            max-width: 480px;
        }
        .hero .cta-group {
            display: flex;
            gap: 14px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .hero .trust-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
        }
        .hero .trust-row i {
            color: var(--success);
            margin-right: 4px;
        }
        .hero .hero-visual {
            position: relative;
            z-index: 2;
        }
        .hero .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 16/10;
            max-height: 420px;
        }
        .hero .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero .floating-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-hover);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 220px;
            z-index: 3;
        }
        .hero .floating-card .fc-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(18, 80, 82, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .hero .floating-card .fc-text {
            font-size: 13px;
            line-height: 1.4;
            color: var(--text-muted);
        }
        .hero .floating-card .fc-text strong {
            display: block;
            font-size: 15px;
            color: var(--text);
        }
        @media (max-width: 991.98px) {
            .hero {
                padding: 100px 0 50px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero .cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero .cta-group .btn {
                width: 100%;
            }
            .hero .hero-visual {
                margin-top: 40px;
            }
        }
        .quick-strip {
            background: var(--primary-dark);
            color: #fff;
            padding: 0;
        }
        .quick-strip .strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0;
            min-height: 56px;
        }
        .quick-strip a {
            flex: 1;
            text-align: center;
            color: #D8E0DE;
            font-size: 14px;
            font-weight: 500;
            padding: 16px 8px;
            border-left: 1px solid rgba(255, 255, 255, 0.1);
            text-decoration: none;
            transition: background .2s, color .2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .quick-strip a:first-child {
            border-left: none;
        }
        .quick-strip a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .quick-strip i {
            font-size: 16px;
            color: var(--accent);
        }
        @media (max-width: 767.98px) {
            .quick-strip .strip-inner {
                flex-wrap: wrap;
                padding: 8px 0;
            }
            .quick-strip a {
                flex: 1 1 45%;
                border-left: none;
                border: 1px solid rgba(255, 255, 255, 0.06);
                margin: 4px;
                border-radius: 8px;
                padding: 10px 6px;
            }
        }
        .section-block {
            padding: 96px 0;
        }
        .section-block.bg-light {
            background: var(--bg);
        }
        .section-block.bg-highlight {
            background: var(--highlight-bg);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.6;
        }
        .sec-head {
            margin-bottom: 50px;
        }
        .sec-head .row {
            align-items: flex-end;
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 64px 0;
            }
            .section-title {
                font-size: 26px;
            }
        }
        .services-grid {
            gap: 24px;
        }
        .card-main-service {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .card-main-service::after {
            content: "";
            position: absolute;
            right: 0;
            top: 0;
            width: 6px;
            height: 100%;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }
        .card-main-service:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(18, 80, 82, 0.3);
        }
        .card-main-service .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }
        .card-main-service h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .card-main-service p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex: 1;
        }
        .card-small-service {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 28px 26px;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            flex: 1;
        }
        .card-small-service:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(18, 80, 82, 0.3);
        }
        .card-small-service .service-icon-sm {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(18, 80, 82, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .card-small-service h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .card-small-service p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .col-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .card-main-service {
                padding: 30px 24px;
            }
        }
        .stats-section {
            background: var(--primary);
            color: #fff;
            padding: 72px 0;
        }
        .stats-section .stat-item {
            text-align: center;
            padding: 20px 10px;
        }
        .stats-section .stat-number {
            font-family: var(--font-number);
            font-size: 50px;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 6px;
            display: block;
        }
        .stats-section .stat-number span {
            color: var(--accent);
        }
        .stats-section .stat-label {
            font-size: 15px;
            opacity: 0.85;
        }
        @media (max-width: 767.98px) {
            .stats-section .stat-number {
                font-size: 36px;
            }
        }
        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(18, 80, 82, 0.3);
        }
        .case-card .case-image {
            overflow: hidden;
            position: relative;
        }
        .case-card .case-image img {
            width: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .case-card:hover .case-image img {
            transform: scale(1.03);
        }
        .case-card .case-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-card .case-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(18, 80, 82, 0.08);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .case-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .case-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .case-card .case-result {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--success);
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }
        .case-card .case-result i {
            font-size: 15px;
        }
        .case-card-wide .case-image {
            aspect-ratio: 16/9;
        }
        .case-card-narrow .case-image {
            aspect-ratio: 4/5;
        }
        @media (max-width: 991.98px) {
            .case-card-wide .case-image,
            .case-card-narrow .case-image {
                aspect-ratio: 16/9;
            }
        }
        .news-section {
            background: var(--bg);
        }
        .news-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
        }
        .news-head .section-title {
            margin: 0;
        }
        .news-card-featured {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card-featured:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(18, 80, 82, 0.3);
        }
        .news-card-featured .news-img-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-card-featured .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card-featured:hover .news-img-wrap img {
            transform: scale(1.03);
        }
        .news-card-featured .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .news-meta .news-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 111, 50, 0.1);
            border-radius: 4px;
            padding: 2px 8px;
        }
        .news-card-featured h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .news-card-featured p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .news-list-group {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-list-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease;
            display: block;
            text-decoration: none;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(18, 80, 82, 0.3);
            transform: translateX(4px);
        }
        .news-list-item .news-meta {
            margin-bottom: 6px;
        }
        .news-list-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
            transition: color .2s;
        }
        .news-list-item:hover h4 {
            color: var(--primary);
        }
        .news-list-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }
        .news-empty i {
            font-size: 36px;
            display: block;
            margin-bottom: 12px;
            color: var(--border);
        }
        @media (max-width: 991.98px) {
            .news-list-group {
                margin-top: 24px;
            }
        }
        .process-section {
            background: var(--highlight-bg);
        }
        .process-step {
            text-align: center;
            padding: 20px 16px;
            position: relative;
            height: 100%;
            transition: transform .3s ease;
        }
        .process-step:hover {
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 14px rgba(18, 80, 82, 0.3);
        }
        .process-step .step-icon {
            display: block;
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--accent);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .process-line-wrapper {
            position: relative;
        }
        .process-line-wrapper::before {
            content: "";
            position: absolute;
            top: 38px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: rgba(18, 80, 82, 0.15);
            z-index: 1;
        }
        @media (max-width: 991.98px) {
            .process-line-wrapper::before {
                display: none;
            }
            .process-step {
                padding: 24px 10px;
            }
        }
        .process-cta-row {
            text-align: center;
            margin-top: 40px;
        }
        .process-cta-row .btn {
            margin-top: 10px;
        }
        .faq-section .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }
        .faq-section .faq-item:has(.show) {
            border-color: rgba(18, 80, 82, 0.35);
            box-shadow: var(--shadow);
        }
        .faq-section .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .faq-section .accordion-button::after {
            content: "+";
            font-family: var(--font-primary);
            font-size: 22px;
            font-weight: 400;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            transition: transform .3s;
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            content: "×";
            background: var(--accent);
            transform: translateY(-50%) rotate(90deg);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.15);
            outline: none;
        }
        .faq-section .accordion-button:hover {
            background: var(--bg);
        }
        .faq-section .accordion-body {
            padding: 0 24px 20px 62px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
            background: #fff;
        }
        .contact-section {
            background: var(--bg);
        }
        .contact-info-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }
        .contact-info-list li i {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(18, 80, 82, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .contact-info-list li strong {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 2px;
        }
        .contact-form {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow);
        }
        .contact-form .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .contact-form .form-control {
            height: 48px;
            background: #FAF8F4;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            font-size: 15px;
            color: var(--text);
            padding: 0 16px;
            transition: border-color .2s, box-shadow .2s;
        }
        .contact-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.15);
            background: #fff;
            outline: none;
        }
        .contact-form textarea.form-control {
            height: auto;
            min-height: 110px;
            padding-top: 12px;
            resize: vertical;
        }
        .contact-form .form-control::placeholder {
            color: #B5BFC0;
        }
        .contact-form .btn {
            margin-top: 8px;
            width: 100%;
        }
        @media (max-width: 991.98px) {
            .contact-form {
                padding: 28px 20px;
                margin-top: 30px;
            }
        }
        .site-footer {
            background: var(--primary-dark);
            color: #D8E0DE;
            padding: 64px 0 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 260px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: #D8E0DE;
            font-size: 14px;
            opacity: 0.85;
            transition: opacity .2s, color .2s;
        }
        .site-footer .footer-links a:hover {
            opacity: 1;
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 13px;
            opacity: 0.7;
        }
        @media (max-width: 991.98px) {
            .site-footer .col-lg-3 {
                margin-bottom: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding-top: 48px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        .a11y-focus:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .cms-loading {
            min-height: 80px;
        }
        .placeholder-img {
            background: linear-gradient(135deg, #E4E0D8 0%, #F0EBE3 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
        }
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent-custom {
            color: var(--accent) !important;
        }
        .bg-primary-custom {
            background-color: var(--primary) !important;
        }
        .bg-accent-custom {
            background-color: var(--accent) !important;
        }

/* roulang page: category1 */
:root {
            --primary: #125052;
            --primary-dark: #0C3336;
            --accent: #C96F32;
            --accent-hover: #B65A26;
            --accent-active: #A14E20;
            --bg: #F7F5F1;
            --text: #1F2A2A;
            --text-secondary: #6C7675;
            --border: #E4E0D8;
            --highlight-bg: #F0EBE3;
            --success: #3C7A68;
            --error: #B64F3E;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --shadow: 0 4px 20px rgba(31, 42, 42, 0.08);
            --shadow-hover: 0 8px 28px rgba(31, 42, 42, 0.12);
            --header-height: 64px;
            --section-space: 96px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 17px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

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

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

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

        .section-spacing {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        @media (max-width: 991px) {
            .section-spacing {
                padding-top: 64px;
                padding-bottom: 64px;
            }
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            background-color: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            cursor: pointer;
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(201, 111, 50, 0.25);
        }

        .btn-primary-custom:active {
            background-color: var(--accent-active);
            transform: translateY(0);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            background-color: transparent;
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            background-color: rgba(18, 80, 82, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
            background-color: rgba(18, 80, 82, 0.14);
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
        }

        .btn-text-link i {
            transition: transform 0.3s ease;
        }

        .btn-text-link:hover i {
            transform: translateX(4px);
        }

        .align-none {
            outline: none;
        }

        .align-none:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background-color: rgba(247, 245, 241, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background-color: var(--bg);
            box-shadow: 0 4px 20px rgba(31, 42, 42, 0.06);
        }

        .site-header .container {
            height: 100%;
        }

        .site-header .navbar {
            height: 100%;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text) !important;
            padding: 0;
            margin: 0;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 32px;
        }

        .nav-menu .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color 0.25s ease, background 0.25s ease;
        }

        .nav-menu .nav-link:hover {
            color: var(--primary);
            background-color: rgba(18, 80, 82, 0.06);
        }

        .nav-menu .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background-color: rgba(18, 80, 82, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
        }

        .search-form {
            display: flex;
            align-items: center;
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: 24px;
            height: 36px;
            padding: 0 12px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.1);
        }

        .search-form input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            width: 140px;
        }

        .search-form input::placeholder {
            color: #9AA3A2;
        }

        .search-form button {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            padding: 4px;
        }

        .search-form button:hover {
            color: var(--primary);
        }

        .btn-text-nav {
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .btn-text-nav:hover {
            color: var(--accent);
        }

        .btn-nav-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 20px;
            background-color: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            white-space: nowrap;
            transition: background 0.25s ease, transform 0.25s ease;
        }

        .btn-nav-primary:hover {
            background-color: var(--accent-hover);
            color: #fff;
        }

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

        .mobile-nav-toggle .toggler-icon {
            width: 22px;
            height: 2px;
            background-color: var(--text);
            border-radius: 2px;
        }

        @media (max-width: 991px) {
            .mobile-nav-toggle {
                display: flex;
            }

            .site-header .navbar {
                flex-wrap: wrap;
            }

            .navbar-collapse {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--bg);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(31, 42, 42, 0.08);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                display: none;
            }

            .navbar-collapse.show {
                display: flex;
            }

            .nav-menu {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                margin-left: 0;
                margin-bottom: 12px;
            }

            .nav-menu .nav-link {
                width: 100%;
                padding: 10px 12px;
            }

            .nav-actions {
                width: 100%;
                flex-wrap: wrap;
                margin-left: 0;
                gap: 12px;
            }

            .search-form {
                flex: 1;
                min-width: 180px;
            }

            .search-form input {
                width: 100%;
            }
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            min-height: 300px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(100deg, rgba(247, 245, 241, 0.95) 30%, rgba(247, 245, 241, 0.6) 60%, rgba(247, 245, 241, 0.2) 100%);
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero-content {
            max-width: 580px;
        }

        .category-hero .category-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--accent);
            background-color: rgba(201, 111, 50, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 12px;
        }

        .category-hero p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 56px 0 40px;
                min-height: 240px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .category-hero p {
                font-size: 15px;
            }
        }

        /* Feature Blocks */
        .feature-blocks {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .feature-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 48px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-text {
            flex: 1;
        }

        .feature-text .feature-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .feature-text h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 16px;
        }

        .feature-text p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .feature-text .btn-text-link {
            margin-top: 8px;
        }

        .feature-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-image:hover img {
            transform: scale(1.03);
        }

        .feature-row.reverse .feature-image {
            order: -1;
        }

        @media (max-width: 991px) {
            .feature-row {
                flex-direction: column;
                gap: 24px;
            }

            .feature-row.reverse {
                flex-direction: column;
            }

            .feature-row.reverse .feature-image {
                order: 0;
            }

            .feature-image,
            .feature-text {
                flex: none;
                width: 100%;
            }
        }

        /* Items List */
        .items-section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
            background-color: #fff;
        }

        .items-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .items-header .section-title {
            margin-bottom: 8px;
        }

        .items-header p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }

        .item-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }

        .item-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background-color: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .item-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .item-icon {
            width: 56px;
            height: 56px;
            background-color: rgba(18, 80, 82, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .item-content {
            flex: 1;
        }

        .item-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .item-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .item-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            white-space: nowrap;
            transition: gap 0.25s ease;
        }

        .item-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        @media (max-width: 768px) {
            .item-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 16px;
            }

            .item-link {
                align-self: flex-end;
            }
        }

        /* Process Section */
        .process-section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .process-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .process-header .section-title {
            margin-bottom: 8px;
        }

        .process-header p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto;
        }

        .process-row {
            display: flex;
            gap: 32px;
            position: relative;
        }

        .process-row::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 60px;
            right: 60px;
            height: 2px;
            background-color: var(--border);
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-number {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-num);
            box-shadow: 0 4px 12px rgba(18, 80, 82, 0.2);
        }

        .step-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin: 0;
            padding: 0 8px;
        }

        @media (max-width: 991px) {
            .process-row {
                flex-direction: column;
                gap: 24px;
            }

            .process-row::before {
                display: none;
            }

            .process-step {
                display: flex;
                align-items: center;
                gap: 20px;
                text-align: left;
            }

            .step-number {
                margin: 0;
                flex-shrink: 0;
            }

            .process-step p {
                padding: 0;
            }
        }

        /* FAQ */
        .faq-section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
            background-color: #fff;
        }

        .faq-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-header .section-title {
            margin-bottom: 8px;
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background-color: var(--bg);
            margin-bottom: 16px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item:last-child {
            margin-bottom: 0;
        }

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

        .faq-item .faq-toggle {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            cursor: pointer;
            border-radius: var(--radius-md);
            transition: background 0.25s ease;
        }

        .faq-item .faq-toggle:hover {
            background-color: rgba(18, 80, 82, 0.03);
        }

        .faq-item .faq-icon {
            width: 28px;
            height: 28px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item .faq-question-text {
            flex: 1;
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
        }

        .faq-item .faq-collapse {
            padding: 0 24px 20px 68px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .faq-item.active {
            border-color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background-color: var(--accent);
        }

        @media (max-width: 768px) {
            .faq-item .faq-collapse {
                padding: 0 16px 16px 56px;
            }

            .faq-item .faq-toggle {
                padding: 16px;
            }

            .faq-item .faq-question-text {
                font-size: 15px;
            }
        }

        /* CTA & Contact */
        .cta-contact {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
            background-color: var(--primary-dark);
            color: #D8E0DE;
        }

        .cta-contact .section-title {
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-contact p {
            color: #93A5A3;
            font-size: 16px;
            margin-bottom: 32px;
        }

        .contact-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

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

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
            font-size: 15px;
            line-height: 1.5;
            color: #B8C6C4;
        }

        .contact-info-list li i {
            width: 36px;
            height: 36px;
            background: rgba(201, 111, 50, 0.15);
            color: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .contact-form .form-label {
            font-size: 13px;
            color: #93A5A3;
            margin-bottom: 6px;
        }

        .contact-form .form-control {
            height: 48px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            border-radius: var(--radius-xs);
            font-size: 15px;
            padding: 0 16px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .contact-form .form-control::placeholder {
            color: rgba(216, 224, 222, 0.4);
        }

        .contact-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 111, 50, 0.2);
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .contact-form textarea.form-control {
            height: auto;
            padding: 12px 16px;
            resize: vertical;
            min-height: 90px;
        }

        .contact-form .btn-primary-custom {
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #D8E0DE;
            padding-top: 64px;
            padding-bottom: 24px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background-color: var(--accent);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.6;
            color: #93A5A3;
            margin-bottom: 24px;
        }

        .site-footer h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .site-footer .footer-links a {
            font-size: 14px;
            color: #93A5A3;
            transition: color 0.25s ease;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
        }

        .site-footer .footer-links span {
            font-size: 14px;
            color: #93A5A3;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer .footer-bottom p {
            font-size: 13px;
            color: #6F8381;
            margin: 0;
        }

        @media (max-width: 991px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
    --ky-primary: #125052;
    --ky-primary-dark: #0C3336;
    --ky-secondary: #C96F32;
    --ky-secondary-hover: #B65A26;
    --ky-bg: #F7F5F1;
    --ky-bg-card: #FFFFFF;
    --ky-text: #1F2A2A;
    --ky-text-weak: #6C7675;
    --ky-border: #E4E0D8;
    --ky-highlight: #F0EBE3;
    --ky-success: #3C7A68;
    --ky-error: #B64F3E;
    --ky-footer-bg: #0C3336;
    --ky-footer-text: #D8E0DE;
    --ky-radius-large: 14px;
    --ky-radius-medium: 10px;
    --ky-radius-small: 8px;
    --ky-radius-input: 6px;
    --ky-shadow: 0 4px 16px rgba(31, 42, 42, 0.08);
    --ky-shadow-hover: 0 8px 24px rgba(31, 42, 42, 0.12);
    --ky-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ky-font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ky-font-sans);
    background-color: var(--ky-bg);
    color: var(--ky-text);
    font-size: 17px;
    line-height: 1.75;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--ky-secondary);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--ky-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    max-width: 1200px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(247, 245, 241, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(228, 224, 216, 0.75);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: #F7F5F1;
    box-shadow: 0 4px 16px rgba(31, 42, 42, 0.08);
}

.site-header .navbar {
    padding: 0;
    min-height: 64px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--ky-text);
    text-decoration: none;
    position: relative;
    z-index: 2;
    letter-spacing: -0.01em;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: var(--ky-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.navbar-collapse {
    flex-grow: 1;
    align-items: center;
    justify-content: space-between;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 32px;
}

.nav-link {
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ky-text);
    text-decoration: none;
    border-radius: 6px;
    transition: var(--ky-transition);
    cursor: pointer;
}

.nav-link:hover {
    color: var(--ky-primary);
    background: rgba(18, 80, 82, 0.06);
}

.nav-link.active {
    color: var(--ky-primary);
    font-weight: 600;
    background: rgba(18, 80, 82, 0.09);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.search-form {
    display: flex;
    align-items: center;
    background: #FAF8F4;
    border: 1px solid var(--ky-border);
    border-radius: 8px;
    height: 36px;
    padding: 0 4px 0 12px;
    transition: var(--ky-transition);
}

.search-form:focus-within {
    border-color: var(--ky-primary);
    box-shadow: 0 0 0 3px rgba(18, 80, 82, 0.15);
}

.search-form input {
    border: none;
    background: transparent;
    outline: none;
    width: 140px;
    font-size: 13px;
    color: var(--ky-text);
    font-family: var(--ky-font-sans);
}

.search-form button {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--ky-text-weak);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--ky-transition);
}

.search-form button:hover {
    color: var(--ky-primary);
}

.btn-text-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ky-primary);
    text-decoration: none;
    border-radius: 8px;
    padding: 8px 6px;
    transition: var(--ky-transition);
    white-space: nowrap;
}

.btn-text-nav:hover {
    color: var(--ky-secondary);
    background: rgba(18, 80, 82, 0.05);
}

.btn-nav-primary {
    background: var(--ky-secondary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--ky-transition);
}

.btn-nav-primary:hover {
    background: var(--ky-secondary-hover);
    color: #fff;
    transform: translateY(-1px);
}

.btn-nav-primary:active {
    background: #A34D1F;
    transform: translateY(0);
}

.mobile-nav-toggle {
    border: none;
    background: transparent;
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.toggler-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ky-text);
    border-radius: 2px;
    transition: var(--ky-transition);
}

.article-page {
    padding: 40px 0 96px;
    min-height: 60vh;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 0 28px;
    font-size: 14px;
    color: var(--ky-text-weak);
    overflow: hidden;
}

.breadcrumb-nav a {
    color: var(--ky-text-weak);
    text-decoration: none;
    transition: color 0.25s;
    white-space: nowrap;
}

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

.breadcrumb-nav .sep {
    color: var(--ky-border);
}

.breadcrumb-nav .current {
    color: var(--ky-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
}

.article-header {
    max-width: 860px;
    margin: 0 auto 36px;
    text-align: left;
    padding: 0 16px;
}

.article-title {
    font-size: 44px;
    line-height: 56px;
    font-weight: 700;
    color: var(--ky-text);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--ky-border);
    font-size: 14px;
    color: var(--ky-text-weak);
}

.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.article-meta .meta-item i {
    color: var(--ky-secondary);
    font-size: 14px;
}

.article-banner {
    max-width: 960px;
    margin: 0 auto 52px;
    border-radius: var(--ky-radius-large);
    overflow: hidden;
    box-shadow: var(--ky-shadow);
    position: relative;
    aspect-ratio: 16 / 7;
    background: var(--ky-highlight);
}

.article-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    max-width: 720px;
    margin: 0 auto 56px;
    padding: 0 16px;
    font-size: 17px;
    line-height: 1.8;
    color: var(--ky-text);
    word-break: break-word;
}

.article-content p {
    margin-bottom: 24px;
    text-align: justify;
}

.article-content h2 {
    font-size: 28px;
    line-height: 38px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--ky-text);
}

.article-content h3 {
    font-size: 22px;
    line-height: 30px;
    font-weight: 600;
    margin: 32px 0 12px;
    color: var(--ky-text);
}

.article-content h4 {
    font-size: 18px;
    line-height: 26px;
    font-weight: 600;
    margin: 28px 0 10px;
    color: var(--ky-text);
}

.article-content blockquote {
    border-left: 4px solid var(--ky-secondary);
    background: var(--ky-highlight);
    padding: 16px 24px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    color: var(--ky-text);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}

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

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

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

.article-content a:hover {
    color: var(--ky-secondary);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
    line-height: 1.6;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--ky-border);
    padding: 10px 14px;
    text-align: left;
}

.article-content table th {
    background: var(--ky-highlight);
    font-weight: 600;
}

.article-content pre {
    background: #F4F6F5;
    border: 1px solid var(--ky-border);
    border-radius: 10px;
    padding: 16px 20px;
    overflow-x: auto;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.6;
    margin: 24px 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.article-content code {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    background: #F1EFEA;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
}

.article-content pre code {
    background: transparent;
    padding: 0;
}

.article-content iframe {
    max-width: 100%;
    border-radius: 10px;
}

.article-tags {
    max-width: 720px;
    margin: 0 auto 56px;
    padding: 0 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-top: 22px;
    border-top: 1px solid var(--ky-border);
}

.tag-label {
    font-size: 14px;
    color: var(--ky-text-weak);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.article-tags a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--ky-highlight);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--ky-primary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: var(--ky-transition);
    letter-spacing: 0.02em;
}

.article-tags a:hover {
    background: #fff;
    border-color: var(--ky-primary);
    color: var(--ky-primary);
}

.related-posts {
    max-width: 960px;
    margin: 0 auto 48px;
    padding: 0 16px;
}

.related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.related-header .section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--ky-text);
    margin: 0;
    letter-spacing: -0.01em;
}

.section-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ky-primary);
    text-decoration: none;
    transition: var(--ky-transition);
}

.section-more i {
    transition: transform 0.3s ease;
}

.section-more:hover {
    color: var(--ky-secondary);
}

.section-more:hover i {
    transform: translateX(4px);
}

.related-card {
    background: #fff;
    border-radius: var(--ky-radius-large);
    border: 1px solid var(--ky-border);
    overflow: hidden;
    transition: var(--ky-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    box-shadow: var(--ky-shadow-hover);
    transform: translateY(-2px);
    border-color: var(--ky-primary);
}

.related-card .card-media {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--ky-highlight);
}

.related-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .card-media img {
    transform: scale(1.04);
}

.related-card .card-body {
    padding: 20px 20px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.related-card .card-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--ky-primary);
    background: rgba(18, 80, 82, 0.08);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    letter-spacing: 0.03em;
    align-self: flex-start;
}

.related-card .card-body h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 26px;
    color: var(--ky-text);
    margin-bottom: 10px;
}

.related-card .card-body h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-card .card-body h3 a:hover {
    color: var(--ky-secondary);
}

.related-card .card-body p {
    font-size: 14px;
    line-height: 22px;
    color: var(--ky-text-weak);
    margin-bottom: 12px;
    flex: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ky-primary);
    text-decoration: none;
    transition: var(--ky-transition);
}

.card-link i {
    transition: transform 0.3s ease;
}

.card-link:hover {
    color: var(--ky-secondary);
}

.card-link:hover i {
    transform: translateX(4px);
}

.article-footer-actions {
    display: flex;
    justify-content: center;
    margin-top: 48px;
    padding: 0 16px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--ky-primary);
    color: var(--ky-primary);
    border-radius: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--ky-transition);
}

.btn-back:hover {
    background: rgba(18, 80, 82, 0.08);
    color: var(--ky-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(18, 80, 82, 0.12);
}

.btn-back:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--ky-secondary);
    color: #fff;
    height: 48px;
    padding: 0 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    text-decoration: none;
    transition: var(--ky-transition);
    cursor: pointer;
}

.btn-primary-custom:hover {
    background: var(--ky-secondary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(201, 111, 50, 0.25);
}

.btn-primary-custom:active {
    background: #A34D1F;
    transform: translateY(0);
    box-shadow: none;
}

.article-empty {
    text-align: center;
    padding: 96px 24px;
    max-width: 520px;
    margin: 0 auto;
}

.article-empty .empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--ky-highlight);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: var(--ky-text-weak);
}

.article-empty h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ky-text);
}

.article-empty p {
    font-size: 15px;
    color: var(--ky-text-weak);
    margin-bottom: 28px;
}

.site-footer {
    background: var(--ky-footer-bg);
    color: var(--ky-footer-text);
    padding: 56px 0 0;
    font-size: 14px;
}

.site-footer .row {
    padding-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

.footer-brand .brand-icon {
    background: var(--ky-secondary);
}

.footer-desc {
    font-size: 14px;
    line-height: 24px;
    color: rgba(216, 224, 222, 0.75);
    margin-bottom: 0;
    max-width: 260px;
}

.site-footer h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

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

.footer-links a {
    color: rgba(216, 224, 222, 0.75);
    font-size: 14px;
    text-decoration: none;
    transition: var(--ky-transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-links span {
    color: rgba(216, 224, 222, 0.75);
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(216, 224, 222, 0.15);
    padding: 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: rgba(216, 224, 222, 0.5);
}

@media (min-width: 992px) {
    .mobile-nav-toggle {
        display: none !important;
    }

    #mainNavbar {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        margin-left: 32px;
        gap: 4px;
        flex: 1;
    }
}

@media (max-width: 991.98px) {
    .mobile-nav-toggle {
        display: flex !important;
    }

    #mainNavbar.navbar-collapse {
        flex-basis: 100%;
        flex-grow: 1;
        align-items: stretch;
        background: #F7F5F1;
        border-radius: 0 0 14px 14px;
        padding: 16px;
        margin: 0 -12px;
        border-bottom: 1px solid var(--ky-border);
        box-shadow: 0 8px 24px rgba(31, 42, 42, 0.08);
        width: calc(100% + 24px);
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
        margin-bottom: 12px;
        gap: 4px;
        width: 100%;
    }

    .nav-link {
        padding: 10px 12px;
        width: 100%;
        border-radius: 8px;
        font-size: 15px;
    }

    .nav-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        width: 100%;
        margin-left: 0;
    }

    .search-form {
        width: 100%;
    }

    .search-form input {
        width: auto;
        flex: 1;
    }

    .btn-text-nav,
    .btn-nav-primary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    .article-page {
        padding: 24px 0 64px;
    }

    .article-title {
        font-size: 32px;
        line-height: 40px;
        margin-bottom: 16px;
    }

    .article-meta {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .article-banner {
        aspect-ratio: 16 / 9;
        border-radius: 12px;
        margin-bottom: 36px;
    }

    .article-content {
        font-size: 16px;
        line-height: 1.7;
    }

    .article-content p {
        margin-bottom: 20px;
    }

    .article-content h2 {
        font-size: 24px;
        line-height: 32px;
        margin-top: 32px;
    }

    .article-content h3 {
        font-size: 20px;
        line-height: 28px;
        margin-top: 28px;
    }

    .related-posts {
        padding: 0 8px;
    }

    .related-header .section-title {
        font-size: 22px;
    }

    .section-more {
        font-size: 13px;
    }

    .article-footer-actions {
        margin-top: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .article-header,
    .article-content,
    .article-tags {
        padding: 0 12px;
    }

    .related-posts {
        padding: 0 12px;
    }

    .breadcrumb-nav {
        font-size: 13px;
        gap: 6px;
    }

    .breadcrumb-nav .current {
        max-width: 180px;
    }

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

    .related-card .card-body {
        padding: 16px 16px 20px;
    }
}