/* roulang page: index */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

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

        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }

        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }

        .nav-link-item i {
            font-size: 0.9rem;
        }

        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }

        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }

        /* Hero */
        .hero-section {
            min-height: 88vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 100px 0 80px;
            margin-top: -80px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(31, 46, 42, 0.92) 0%, rgba(31, 46, 42, 0.6) 45%, rgba(31, 46, 42, 0.3) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 93, 58, 0.2);
            border: 1px solid rgba(232, 93, 58, 0.4);
            color: #F8D9C9;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: clamp(2.25rem, 4.5vw, 4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 30px;
            line-height: 1.7;
            max-width: 460px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(232, 93, 58, 0.35);
        }

        .btn-primary-custom:focus {
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-outline-custom:focus {
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 320px;
        }

        .hero-ring-outer {
            width: 260px;
            height: 260px;
            border: 4px solid var(--primary);
            border-radius: 50%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: ringPulse 3s ease-in-out infinite;
        }

        .hero-ring-inner {
            width: 170px;
            height: 170px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            position: absolute;
        }

        .hero-ring-dot {
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            position: absolute;
            box-shadow: 0 0 20px rgba(217, 164, 65, 0.7);
        }

        .hero-ring-dot:nth-child(1) {
            top: 15%;
            left: 50%;
            transform: translateX(-50%);
        }

        .hero-ring-dot:nth-child(2) {
            bottom: 20%;
            right: 10%;
        }

        .hero-ring-dot:nth-child(3) {
            bottom: 25%;
            left: 8%;
        }

        .hero-ring-center {
            width: 110px;
            height: 110px;
            background: rgba(232, 93, 58, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            z-index: 1;
        }

        @keyframes ringPulse {
            0%,
            100% {
                box-shadow: 0 0 30px rgba(232, 93, 58, 0.25);
            }
            50% {
                box-shadow: 0 0 60px rgba(232, 93, 58, 0.45);
            }
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 40px;
        }

        .section-header-center {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .section-header-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* Cards */
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 93, 58, 0.35);
        }

        .feature-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Step Cards */
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 24px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }

        .step-card:hover {
            border-color: var(--accent);
            background: var(--accent-light);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Benefit Icons */
        .benefit-item {
            text-align: center;
            padding: 20px 12px;
        }

        .benefit-item .bi {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }

        .benefit-item h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .benefit-item p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Stats Section */
        .stats-section {
            background-color: #F0EBE3;
        }

        .stat-block {
            text-align: center;
            padding: 30px 16px;
        }

        .stat-value {
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-divider {
            width: 28px;
            height: 2px;
            background: var(--primary);
            margin: 10px auto;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* Case Cards */
        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 93, 58, 0.3);
        }

        .case-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-card-img img {
            transform: scale(1.03);
        }

        .case-card-body {
            padding: 20px 24px 24px;
        }

        .case-card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .case-card-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .case-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition);
        }

        .case-link i {
            transition: transform 0.2s ease;
        }

        .case-link:hover {
            color: var(--primary-dark);
        }

        .case-link:hover i {
            transform: translateX(3px);
        }

        /* Brand Intro */
        .brand-intro-section {
            background: var(--card-bg);
            padding: 80px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .brand-intro-text {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text);
        }

        .brand-intro-text p {
            margin-bottom: 16px;
        }

        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        /* Plan Cards */
        .plan-mini-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px;
            transition: var(--transition);
            height: 100%;
        }

        .plan-mini-card:hover {
            border-color: var(--accent);
            background: var(--accent-light);
            transform: translateY(-2px);
        }

        .plan-mini-card .bi {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 10px;
            display: block;
        }

        .plan-mini-card h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .plan-mini-card p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* Progress */
        .progress-section {
            background: var(--secondary);
            color: #fff;
        }

        .progress-section .section-title {
            color: #fff;
        }

        .progress-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .progress-item {
            margin-bottom: 20px;
        }

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

        .progress-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .progress-item-label {
            font-weight: 600;
            color: #fff;
            font-size: 0.9375rem;
        }

        .progress-item-value {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9375rem;
        }

        .progress-bar-custom {
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 999px;
            transition: width 1.2s ease;
        }

        /* Review Cards */
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .review-stars {
            color: var(--accent);
            font-size: 1rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 0.9375rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8125rem;
        }

        .review-name {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary);
        }

        .review-tag {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--card-bg);
        }

        .faq-section .accordion-button {
            background: var(--card-bg);
            color: var(--secondary);
            font-weight: 600;
            padding: 18px 24px;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm) !important;
            transition: var(--transition);
            position: relative;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }

        .faq-section .accordion-button:not(.collapsed)::after {
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            line-height: 1;
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-section .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            line-height: 1;
            transform: none;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-section .accordion-button:focus {
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        .faq-section .accordion-body {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.8;
            padding: 16px 24px 20px;
            border-top: 1px solid var(--border);
        }

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

        /* News */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

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

        .news-item:hover {
            padding-left: 12px;
            border-left: 4px solid var(--primary);
        }

        .news-date {
            flex-shrink: 0;
            font-size: 0.8125rem;
            color: var(--text-muted);
            padding-top: 2px;
            min-width: 80px;
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
            transition: var(--transition);
        }

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

        .news-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
        }

        .news-link:hover {
            color: var(--primary-dark);
        }

        /* Form */
        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
        }

        .form-control-custom {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            color: var(--text);
            background: #fff;
            transition: var(--transition);
        }

        .form-control-custom:focus {
            border-color: var(--primary);
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        .form-control-custom::placeholder {
            color: var(--text-muted);
            opacity: 0.7;
        }

        .form-label-custom {
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .btn-submit {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-submit:focus {
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        /* Contact Info */
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 0;
        }

        .contact-info-item .bi {
            font-size: 1.25rem;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .contact-info-item h5 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 2px;
        }

        .contact-info-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .map-placeholder {
            background: #E8E4DD;
            border-radius: var(--radius-md);
            height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 20px;
            position: relative;
            overflow: hidden;
        }

        .map-placeholder i {
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.5;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #fff;
            padding: 60px 0 30px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            position: relative;
            flex-shrink: 0;
        }

        .footer-brand-icon::after {
            content: '';
            width: 22px;
            height: 22px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .footer-brand-text {
            font-size: 1.2rem;
            font-weight: 700;
        }

        .footer-desc {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-link {
            display: block;
            color: var(--text-light);
            font-size: 0.875rem;
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-link:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-link i {
            font-size: 0.7rem;
            margin-right: 4px;
        }

        .footer-contact p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }

        .footer-subscribe-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .footer-subscribe-btn:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 32px 0 22px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-copy {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-beian {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-beian a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* Responsive */
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile-menu.show {
                display: flex;
            }
            .nav-cta-desktop {
                display: none;
            }
            .hero-section {
                min-height: 70vh;
                padding: 80px 0 60px;
            }
            .hero-visual {
                min-height: 240px;
                margin-top: 30px;
            }
            .hero-ring-outer {
                width: 180px;
                height: 180px;
            }
            .hero-ring-inner {
                width: 120px;
                height: 120px;
            }
            .hero-ring-center {
                width: 76px;
                height: 76px;
                font-size: 1.4rem;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .section {
                padding: 56px 0;
            }
            .brand-intro-section {
                padding: 56px 0;
            }
        }

        @media (max-width: 767px) {
            .container,
            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-nav-wrapper {
                margin: 0 10px;
            }
            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-md);
            }
            .nav-brand-text {
                font-size: 1.1rem;
            }
            .hero-section {
                min-height: auto;
                padding-top: 90px;
                padding-bottom: 50px;
            }
            .hero-title {
                font-size: clamp(1.75rem, 8vw, 2.5rem);
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 12px;
                flex-direction: column;
            }
            .hero-visual {
                min-height: 200px;
            }
            .hero-ring-outer {
                width: 150px;
                height: 150px;
                border-width: 3px;
            }
            .hero-ring-inner {
                width: 100px;
                height: 100px;
            }
            .section {
                padding: 40px 0;
            }
            .stat-value {
                font-size: 2rem;
            }
            .form-card {
                padding: 24px 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-beian {
                justify-content: center;
            }
        }

        @media (max-width: 575px) {
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .benefit-item {
                padding: 14px 8px;
            }
            .benefit-item .bi {
                font-size: 1.5rem;
            }
            .stat-block {
                padding: 18px 10px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .case-card-body {
                padding: 16px 18px 18px;
            }
            .map-placeholder {
                height: 160px;
            }
            .nav-brand-icon {
                width: 36px;
                height: 36px;
            }
            .nav-brand-icon::after {
                width: 22px;
                height: 22px;
            }
            .nav-brand-text {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

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

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }

        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }

        .nav-link-item i {
            font-size: 0.9rem;
        }

        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }

        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }

        .nav-mobile-menu.show {
            display: flex;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 28px 0 12px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .separator {
            color: var(--border);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            padding: 32px 0 48px;
            text-align: center;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .category-hero .lead-text {
            font-size: 1.125rem;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto 24px;
            line-height: 1.9;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat-item {
            text-align: center;
        }

        .category-hero .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .category-hero .hero-stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Card Grid */
        .card-grid-section {
            padding: 24px 0 64px;
        }

        .node-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .node-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 93, 58, 0.3);
        }

        .node-card-image {
            overflow: hidden;
            aspect-ratio: 16/9;
            position: relative;
        }

        .node-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .node-card-image .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            z-index: 2;
        }

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

        .node-card-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .node-card-date i {
            font-size: 0.8rem;
            color: var(--accent);
        }

        .node-card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.5;
            transition: var(--transition);
        }

        .node-card:hover .node-card-title {
            color: var(--primary);
        }

        .node-card-summary {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
            flex: 1;
        }

        .node-card .card-link-hint {
            font-size: 0.875rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            transition: var(--transition);
            text-decoration: none;
        }

        .node-card .card-link-hint i {
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }

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

        /* Load More Button */
        .load-more-wrapper {
            text-align: center;
            padding: 16px 0 40px;
        }

        .btn-load-more {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .btn-load-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 58, 0.25);
        }

        .btn-load-more i {
            font-size: 0.9rem;
        }

        /* Insight Banner */
        .insight-banner {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            margin: 24px 0 48px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .insight-banner-content {
            flex: 1;
            min-width: 280px;
        }

        .insight-banner-content h2 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .insight-banner-content p {
            color: var(--text-light);
            font-size: 0.9375rem;
            margin-bottom: 0;
            line-height: 1.8;
        }

        .insight-banner-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }

        .insight-banner-icon i {
            font-size: 2.2rem;
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .insight-banner-icon::after {
            content: '';
            width: 54px;
            height: 54px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            position: absolute;
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-light);
            padding-top: 64px;
            margin-top: 40px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-brand-logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }

        .footer-brand-logo span {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .footer-description {
            font-size: 0.9375rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.9;
        }

        .footer-title {
            color: #fff;
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-links li a i {
            font-size: 0.7rem;
            transition: transform 0.3s ease;
        }

        .footer-links li a:hover i {
            transform: translateX(3px);
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-light);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact li i {
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .footer-subscribe-text {
            font-size: 0.875rem;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .footer-btn {
            background: transparent;
            border: 1px solid var(--text-light);
            color: var(--text-light);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.875rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .footer-btn:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 48px;
        }

        .footer-bottom p {
            margin-bottom: 8px;
            font-size: 0.8125rem;
            color: var(--text-light);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .footer-bottom-links a {
            color: var(--text-light);
            font-size: 0.8125rem;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom-links .divider {
            color: rgba(255, 255, 255, 0.3);
            font-size: 0.75rem;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .site-nav {
                flex-wrap: nowrap;
            }

            .nav-links {
                display: none;
            }

            .nav-cta-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-mobile-menu.show {
                display: flex;
            }

            .category-hero {
                padding: 24px 0 36px;
            }

            .category-hero h1 {
                font-size: clamp(1.75rem, 5vw, 2.5rem);
            }

            .category-hero .hero-stats {
                gap: 24px;
            }

            .insight-banner {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }

            .insight-banner-icon {
                margin: 0 auto;
            }
        }

        @media (max-width: 767px) {
            .site-nav-wrapper {
                margin: 0 10px;
                top: 8px;
            }

            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-md);
            }

            .nav-brand-icon {
                width: 38px;
                height: 38px;
            }

            .nav-brand-icon::after {
                width: 24px;
                height: 24px;
            }

            .nav-brand-text {
                font-size: 1.15rem;
            }

            .breadcrumb-section {
                padding-top: 16px;
                padding-bottom: 4px;
            }

            .category-hero {
                padding: 20px 0 32px;
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }

            .category-hero .lead-text {
                font-size: 1rem;
            }

            .category-hero .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }

            .category-hero .hero-stat-number {
                font-size: 1.8rem;
            }

            .node-card-body {
                padding: 18px 18px 20px;
            }

            .node-card-title {
                font-size: 1.0625rem;
            }

            .card-grid-section {
                padding-bottom: 40px;
            }

            .insight-banner {
                margin: 16px 0 32px;
                padding: 24px 18px;
            }

            .insight-banner-content h2 {
                font-size: 1.25rem;
            }

            .btn-load-more {
                padding: 10px 24px;
                font-size: 0.875rem;
            }

            .site-footer {
                padding-top: 48px;
                margin-top: 24px;
            }

            .footer-bottom {
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-brand-text {
                font-size: 1rem;
            }

            .nav-brand-icon {
                width: 34px;
                height: 34px;
            }

            .nav-brand-icon::after {
                width: 20px;
                height: 20px;
            }

            .nav-brand-icon::before {
                font-size: 0.6rem;
            }

            .category-hero h1 {
                font-size: 1.4rem;
            }

            .card-grid-section .col-12 {
                padding-left: 8px;
                padding-right: 8px;
            }

            .node-card-body {
                padding: 14px 16px 18px;
            }

            .node-card-summary {
                font-size: 0.875rem;
            }
        }

        /* Focus states for accessibility */
        .nav-link-item:focus-visible,
        .nav-cta:focus-visible,
        .btn-load-more:focus-visible,
        .footer-btn:focus-visible,
        .footer-links a:focus-visible,
        .footer-bottom-links a:focus-visible,
        .breadcrumb-nav a:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

/* roulang page: category1 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

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

        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }

        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }

        .nav-link-item i {
            font-size: 0.9rem;
        }

        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }

        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 2rem 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin-bottom: 0;
            padding: 0;
            list-style: none;
            background: transparent;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
        }

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

        .breadcrumb-custom .separator {
            color: #B8B0A4;
            font-size: 0.75rem;
        }

        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 1.5rem;
            min-height: 200px;
            display: flex;
            align-items: flex-end;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 46, 42, 0.92) 0%, rgba(31, 46, 42, 0.55) 55%, rgba(31, 46, 42, 0.15) 100%);
        }

        .page-banner-content {
            position: relative;
            z-index: 1;
            padding: 2rem 2.5rem;
            width: 100%;
        }

        .page-banner-content h1 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: 1px;
        }

        .page-banner-content .banner-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .banner-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.5px;
        }

        /* Main Content */
        .main-content-section {
            padding: 3rem 0 1rem;
        }

        .news-list-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            margin-bottom: 1.25rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
        }

        .news-list-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: transparent;
            transition: var(--transition);
        }

        .news-list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #D5CFC4;
        }

        .news-list-card:hover::before {
            background: var(--primary);
        }

        .news-date-block {
            flex-shrink: 0;
            min-width: 80px;
            text-align: center;
            padding-top: 0.25rem;
        }

        .news-date-block .day {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            display: block;
        }

        .news-date-block .month-year {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }

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

        .news-main h2 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text);
            line-height: 1.5;
        }

        .news-main h2 a {
            color: var(--text);
        }

        .news-main h2 a:hover {
            color: var(--primary);
        }

        .news-main .news-excerpt {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8125rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-meta .badge-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
        }

        .read-more-link i {
            transition: var(--transition);
        }

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

        .read-more-link:hover {
            color: var(--primary-dark);
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card .sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--primary-light);
        }

        .sidebar-card .sidebar-title i {
            color: var(--primary);
            font-size: 1.1rem;
        }

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

        .sidebar-search input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.9rem;
            background: var(--bg);
            color: var(--text);
            outline: none;
            transition: var(--transition);
            min-width: 0;
        }

        .sidebar-search input:focus {
            border-color: var(--primary);
            box-shadow: var(--shadow-focus);
            background: #fff;
        }

        .sidebar-search button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .sidebar-search button:hover {
            background: var(--primary-dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            background: var(--bg);
            color: var(--text-muted);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .recent-update-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .recent-update-list li {
            padding: 0.6rem 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text);
        }

        .recent-update-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .recent-update-list li i {
            color: var(--accent);
            font-size: 0.75rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .recent-update-list li a {
            color: var(--text);
            line-height: 1.6;
        }

        .recent-update-list li a:hover {
            color: var(--primary);
        }

        /* Pagination */
        .pagination-section {
            padding: 1rem 0 3rem;
        }

        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .pagination-custom .page-item {
            list-style: none;
        }

        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .pagination-custom .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
        }

        .pagination-custom .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .pagination-custom .page-link.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        .pagination-custom .page-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0 18px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text);
            transition: var(--transition);
            cursor: pointer;
        }

        .pagination-custom .page-arrow:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Bottom CTA */
        .bottom-cta-section {
            padding: 0 0 4rem;
        }

        .bottom-cta-card {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }

        .bottom-cta-text h3 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .bottom-cta-text p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            font-size: 0.95rem;
            max-width: 480px;
        }

        .bottom-cta-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .bottom-cta-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 58, 0.35);
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            padding-top: 3.5rem;
            color: var(--text-light);
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand-logo i {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .footer-description {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(232, 93, 58, 0.4);
            display: inline-block;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: var(--text-light);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-links i {
            font-size: 0.7rem;
            color: var(--primary);
        }

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

        .footer-contact li {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-bottom: 0.7rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .footer-subscribe-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            margin-top: 2.5rem;
            padding: 1.25rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8125rem;
            margin-bottom: 0.25rem;
        }

        .footer-bottom a {
            color: var(--text-light);
            font-size: 0.8125rem;
        }

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

        .footer-bottom .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile-menu.show {
                display: flex;
            }
            .site-nav {
                padding: 10px 16px;
            }
            .site-nav-wrapper {
                margin: 0 12px;
                top: 8px;
            }
            .news-list-card {
                padding: 1.25rem 1.5rem;
                gap: 1rem;
            }
            .news-date-block {
                min-width: 60px;
            }
            .news-date-block .day {
                font-size: 1.35rem;
            }
            .bottom-cta-card {
                padding: 2rem;
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .bottom-cta-text p {
                margin-left: auto;
                margin-right: auto;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-banner {
                min-height: 160px;
                border-radius: var(--radius-md);
            }
            .page-banner-content {
                padding: 1.5rem;
            }
            .page-banner-content h1 {
                font-size: 1.5rem;
            }
            .page-banner-content .banner-subtitle {
                font-size: 0.875rem;
            }
            .news-list-card {
                flex-direction: column;
                padding: 1.25rem;
                gap: 0.75rem;
            }
            .news-date-block {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
                min-width: auto;
            }
            .news-date-block .day {
                font-size: 1.25rem;
            }
            .news-date-block .month-year {
                margin-top: 0;
            }
            .news-main h2 {
                font-size: 1rem;
            }
            .sidebar-card {
                padding: 1.25rem;
            }
            .pagination-custom .page-arrow {
                padding: 0 12px;
                font-size: 0.85rem;
            }
            .pagination-custom .page-link {
                min-width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }
        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }
        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }
        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }
        .nav-link-item i {
            font-size: 0.9rem;
        }
        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }
        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }
        /* Breadcrumb Banner */
        .page-banner {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 220px;
            display: flex;
            align-items: flex-end;
            position: relative;
            margin-top: 24px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 46, 42, 0.88) 0%, rgba(31, 46, 42, 0.55) 60%, rgba(232, 93, 58, 0.25) 100%);
        }
        .page-banner-content {
            position: relative;
            z-index: 1;
            padding: 36px 40px;
            width: 100%;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 500;
        }
        .page-banner h1 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .page-banner .banner-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            line-height: 1.7;
        }
        /* Timeline Horizontal Nav */
        .timeline-nav-section {
            padding: 32px 0 8px;
        }
        .timeline-nav-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--border);
        }
        .timeline-nav-card::-webkit-scrollbar {
            height: 5px;
        }
        .timeline-nav-card::-webkit-scrollbar-track {
            background: var(--border);
            border-radius: 10px;
        }
        .timeline-nav-card::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        .timeline-month-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .timeline-month-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .timeline-month-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        /* Vertical Timeline */
        .timeline-main-section {
            padding: 32px 0 64px;
        }
        .timeline-wrapper {
            position: relative;
            padding-left: 40px;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent), var(--primary));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            padding: 24px 28px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -39px;
            top: 28px;
            width: 18px;
            height: 18px;
            background: var(--card-bg);
            border: 4px solid var(--primary);
            border-radius: 50%;
            z-index: 1;
        }
        .timeline-item:nth-child(even)::before {
            border-color: var(--accent);
        }
        .timeline-item-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 10px;
            font-weight: 500;
        }
        .timeline-item h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .timeline-item .event-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.8125rem;
            color: var(--text-muted);
        }
        .timeline-item .event-meta i {
            color: var(--primary);
            margin-right: 4px;
        }
        .timeline-item .event-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .event-status.upcoming {
            background: var(--accent-light);
            color: #b8860b;
        }
        .event-status.ongoing {
            background: var(--primary-light);
            color: var(--primary);
        }
        .event-status.past {
            background: rgba(107, 107, 107, 0.1);
            color: var(--text-muted);
        }
        /* Timeline highlight card */
        .timeline-highlight {
            background: var(--secondary);
            border: none;
            color: #fff;
            position: relative;
        }
        .timeline-highlight::before {
            border-color: #fff;
        }
        .timeline-highlight .timeline-item-date {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .timeline-highlight h3 {
            color: #fff;
        }
        .timeline-highlight p {
            color: rgba(255, 255, 255, 0.78);
        }
        .timeline-highlight .event-meta {
            color: rgba(255, 255, 255, 0.7);
        }
        .timeline-highlight .event-meta i {
            color: var(--accent);
        }
        /* CTA Section */
        .cta-section {
            padding: 56px 0 72px;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a3f38 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }
        .cta-card h2 {
            font-size: clamp(1.5rem, 2.2vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        /* FAQ */
        .faq-section {
            padding: 48px 0 64px;
        }
        .faq-section .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            text-align: center;
        }
        .faq-section .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9375rem;
            margin-bottom: 32px;
        }
        .accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-bottom: 3px solid var(--primary);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .accordion-custom .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--primary);
            transition: transform 0.3s ease;
            transform-origin: center;
            line-height: 1;
            width: auto;
            height: auto;
            flex-shrink: 0;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-body {
            padding: 18px 22px 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            background: var(--card-bg);
        }
        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            margin-top: 32px;
        }
        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand-logo i {
            font-size: 1.75rem;
            color: var(--accent);
        }
        .footer-description {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-links a i {
            font-size: 0.7rem;
            color: var(--accent);
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-subscribe-text {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8125rem;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .divider-dot {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }
        /* Responsive */
        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-mobile-menu.show {
                display: flex;
            }
            .timeline-nav-card {
                border-radius: var(--radius-md);
            }
            .page-banner-content {
                padding: 28px 24px;
            }
        }
        @media (max-width: 767px) {
            .site-nav-wrapper {
                margin: 0 10px;
                top: 8px;
            }
            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-md);
            }
            .page-banner {
                min-height: 180px;
                margin-top: 16px;
                border-radius: var(--radius-md);
            }
            .page-banner-content {
                padding: 20px 16px;
            }
            .timeline-wrapper {
                padding-left: 28px;
            }
            .timeline-wrapper::before {
                left: 16px;
            }
            .timeline-item {
                padding: 18px 16px;
                margin-bottom: 16px;
            }
            .timeline-item::before {
                left: -24px;
                top: 22px;
                width: 14px;
                height: 14px;
                border-width: 3px;
            }
            .timeline-item h3 {
                font-size: 1.1rem;
            }
            .cta-card {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-card .btn-primary-custom {
                justify-content: center;
                width: 100%;
            }
            .faq-section .section-title {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-nav {
                gap: 10px;
            }
            .nav-brand-icon {
                width: 36px;
                height: 36px;
            }
            .nav-brand-text {
                font-size: 1.1rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.875rem;
            }
            .timeline-nav-card {
                padding: 12px 14px;
                gap: 6px;
            }
            .timeline-month-btn {
                padding: 8px 14px;
                font-size: 0.8125rem;
            }
            .timeline-item {
                padding: 14px 12px;
            }
            .timeline-item::before {
                left: -21px;
                width: 12px;
                height: 12px;
            }
            .footer-bottom .divider-dot {
                display: none;
            }
            .footer-bottom a {
                display: block;
                margin-bottom: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }
        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }
        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }
        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }
        .nav-link-item i {
            font-size: 0.9rem;
        }
        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }
        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }
        .nav-mobile-menu.show {
            display: flex;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 32px 0 16px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-sep {
            color: #b5afa5;
            font-size: 0.75rem;
        }

        /* Page Header */
        .page-header-section {
            padding: 16px 0 40px;
        }
        .page-header-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .page-header-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border: 4px solid var(--primary-light);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header-card::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 140px;
            height: 140px;
            border: 2px solid var(--accent-light);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header-card h1 {
            font-size: clamp(1.65rem, 3vw, 2.35rem);
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .page-header-card .page-subtitle {
            font-size: 1.0625rem;
            color: var(--text-muted);
            max-width: 640px;
            position: relative;
            z-index: 1;
            margin-bottom: 0;
        }

        /* Knowledge Layout */
        .knowledge-layout-section {
            padding-bottom: 56px;
        }
        .kb-main-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
        }
        .kb-section-block {
            margin-bottom: 40px;
            scroll-margin-top: 110px;
        }
        .kb-section-block:last-child {
            margin-bottom: 0;
        }
        .kb-section-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .kb-section-title .title-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .kb-section-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            padding-left: 46px;
        }
        .kb-doc-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: #fff;
            transition: var(--transition);
            cursor: default;
        }
        .kb-doc-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .kb-doc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .kb-doc-item:hover .kb-doc-icon {
            background: var(--primary-light);
            color: var(--primary);
        }
        .kb-doc-content {
            flex: 1;
            min-width: 0;
        }
        .kb-doc-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .kb-doc-item:hover .kb-doc-title {
            color: var(--primary);
        }
        .kb-doc-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .kb-doc-tag {
            display: inline-flex;
            align-items: center;
            padding: 2px 12px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 500;
        }
        .kb-doc-time {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .kb-doc-time i {
            font-size: 0.75rem;
        }

        /* Sidebar TOC */
        .kb-toc-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 100px;
        }
        .kb-toc-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kb-toc-title i {
            color: var(--primary);
        }
        .kb-toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .kb-toc-list li {
            margin-bottom: 6px;
        }
        .kb-toc-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            transition: var(--transition);
            font-weight: 500;
        }
        .kb-toc-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .kb-toc-link.active-toc {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .kb-toc-link i {
            font-size: 0.75rem;
            color: var(--accent);
        }
        .kb-toc-hint {
            font-size: 0.8125rem;
            color: #b5afa5;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        /* CTA Section */
        .kb-cta-section {
            padding: 40px 0 64px;
        }
        .kb-cta-card {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .kb-cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            border: 4px solid rgba(232, 93, 58, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }
        .kb-cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border: 3px solid rgba(217, 164, 65, 0.2);
            border-radius: 50%;
            pointer-events: none;
        }
        .kb-cta-card h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .kb-cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.0625rem;
            max-width: 540px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .kb-cta-btn {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 1;
        }
        .kb-cta-btn:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 93, 58, 0.35);
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            padding: 48px 0 0;
            color: var(--text-light);
        }
        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .footer-brand-logo span {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .footer-description {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-light);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }
        .footer-links a i {
            font-size: 0.7rem;
        }
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact li i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .footer-subscribe-text {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-btn);
            padding: 8px 20px;
            font-weight: 600;
            font-size: 0.875rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
        }
        .footer-btn {
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .footer-btn:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 36px;
            text-align: center;
        }
        .footer-bottom p {
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8125rem;
        }
        .footer-bottom a {
            color: var(--text-light);
            font-size: 0.8125rem;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Back to top */
        .back-top-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 1060;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .back-top-btn.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-top-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .site-nav {
                flex-wrap: nowrap;
            }
            .kb-toc-card {
                position: static;
                margin-bottom: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-nav-wrapper {
                margin: 0 10px;
                top: 8px;
            }
            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-md);
            }
            .nav-brand-text {
                font-size: 1.15rem;
            }
            .nav-brand-icon {
                width: 38px;
                height: 38px;
            }
            .page-header-card {
                padding: 28px 22px;
            }
            .kb-main-card {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .kb-doc-item {
                padding: 14px 16px;
                flex-direction: column;
                gap: 10px;
            }
            .kb-doc-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .kb-section-desc {
                padding-left: 0;
            }
            .kb-cta-card {
                padding: 32px 20px;
            }
            .footer-bottom {
                padding: 16px 0;
            }
            .back-top-btn {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 575.98px) {
            .page-header-card h1 {
                font-size: 1.4rem;
            }
            .breadcrumb-section {
                padding: 20px 0 8px;
            }
            .kb-doc-title {
                font-size: 0.95rem;
            }
            .kb-doc-meta {
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

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

        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 12px 20px 0;
            background: var(--bg);
        }

        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }

        .nav-link-item i {
            font-size: 0.9rem;
        }

        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }

        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }

        /* Hero Banner */
        .page-hero {
            background-image: linear-gradient(to right, rgba(31, 46, 42, 0.92), rgba(31, 46, 42, 0.72)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 240px;
            display: flex;
            align-items: center;
            margin-top: 20px;
            position: relative;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 20px;
            right: 40px;
            width: 140px;
            height: 140px;
            border: 4px solid rgba(232, 93, 58, 0.6);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 40px;
            right: 60px;
            width: 100px;
            height: 100px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .breadcrumb-nav {
            margin-bottom: 12px;
        }

        .page-hero .breadcrumb-nav a {
            color: var(--text-light);
            font-size: 0.875rem;
        }

        .page-hero .breadcrumb-nav a:hover {
            color: #fff;
        }

        .page-hero .breadcrumb-nav .current {
            color: #fff;
            font-size: 0.875rem;
        }

        .page-hero .breadcrumb-nav .separator {
            color: var(--accent);
            margin: 0 6px;
            font-size: 0.8rem;
        }

        .page-hero h1 {
            color: #fff;
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.0625rem;
            max-width: 560px;
            margin-bottom: 0;
        }

        /* Stats Bar */
        .stats-section {
            padding: 40px 0 0;
        }

        .stats-card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .stat-card .stat-divider {
            width: 28px;
            height: 2px;
            background: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* Member Grid */
        .members-section {
            padding: 50px 0 20px;
        }

        .members-section .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .members-section .section-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 32px;
        }

        .member-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .member-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .member-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .member-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-light);
            border: 3px solid transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            transition: var(--transition);
            position: relative;
        }

        .member-card:hover .member-avatar {
            border-color: var(--primary);
            border-width: 4px;
            background: rgba(232, 93, 58, 0.15);
        }

        .member-name {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .member-role {
            font-size: 0.8125rem;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .member-tag {
            display: inline-block;
            font-size: 0.8125rem;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 4px 12px;
            font-weight: 500;
        }

        /* Featured Member */
        .featured-member-section {
            padding: 50px 0;
        }

        .featured-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 360px;
        }

        .featured-card .featured-image {
            background-image: url('/assets/images/coverpic/cover-5.webp');
            background-size: cover;
            background-position: center;
            min-height: 300px;
            position: relative;
        }

        .featured-card .featured-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, transparent, rgba(31, 46, 42, 0.3));
        }

        .featured-card .featured-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .featured-card .featured-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .featured-card .featured-content p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .featured-card .featured-content .btn-primary-custom {
            align-self: flex-start;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .btn-primary-custom:focus {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .btn-outline-custom:focus {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        /* FAQ */
        .faq-section {
            padding: 50px 0;
        }

        .faq-section .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text);
            text-align: center;
            margin-bottom: 8px;
        }

        .faq-section .section-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 32px;
        }

        .accordion.custom-accordion {
            max-width: 720px;
            margin: 0 auto;
        }

        .accordion.custom-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .accordion.custom-accordion .accordion-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .accordion.custom-accordion .accordion-header {
            margin: 0;
        }

        .accordion.custom-accordion .accordion-button {
            background: var(--card-bg);
            color: var(--text);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 16px 20px;
            border: none;
            border-radius: var(--radius-sm) !important;
            box-shadow: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-bottom: 3px solid var(--primary);
            box-shadow: none;
        }

        .accordion.custom-accordion .accordion-button:focus {
            box-shadow: var(--shadow-focus);
        }

        .accordion.custom-accordion .accordion-button .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed) .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion.custom-accordion .accordion-body {
            font-size: 0.9375rem;
            color: var(--text-muted);
            padding: 16px 20px;
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            padding: 50px 0;
        }

        .cta-card {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border: 3px solid rgba(232, 93, 58, 0.4);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border: 2px solid rgba(217, 164, 65, 0.3);
            border-radius: 50%;
        }

        .cta-card h2 {
            color: #fff;
            font-size: clamp(1.25rem, 2vw, 1.75rem);
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            max-width: 480px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-primary-custom {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            padding: 50px 0 0;
            margin-top: 40px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
        }

        .site-footer .footer-brand-logo span {
            font-weight: 700;
            font-size: 0.8rem;
        }

        .site-footer .footer-description {
            color: var(--text-light);
            font-size: 0.875rem;
            margin-bottom: 0;
            line-height: 1.8;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            color: var(--text-light);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-contact li {
            color: var(--text-light);
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-contact i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .site-footer .footer-subscribe-text {
            color: var(--text-light);
            font-size: 0.875rem;
            margin-bottom: 16px;
        }

        .site-footer .footer-btn {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.6rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8125rem;
            margin-bottom: 6px;
        }

        .footer-bottom a {
            color: var(--text-light);
            font-size: 0.8125rem;
            transition: var(--transition);
        }

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

        .footer-bottom .divider {
            color: rgba(255, 255, 255, 0.3);
            margin: 0 8px;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .site-nav {
                flex-wrap: nowrap;
            }

            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta-desktop {
                display: none;
            }

            .nav-mobile-menu.show {
                display: flex;
            }

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

            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-card .featured-image {
                min-height: 220px;
            }

            .stat-card-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .stat-card .stat-number {
                font-size: 1.8rem;
            }

            .page-hero {
                min-height: 200px;
            }
        }

        @media (max-width: 767px) {
            .site-nav-wrapper {
                padding: 8px 12px 0;
                margin: 0;
            }

            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-brand-text {
                font-size: 1.1rem;
            }

            .nav-brand-icon {
                width: 36px;
                height: 36px;
            }

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

            .stat-card-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .page-hero {
                min-height: 170px;
                margin-top: 12px;
            }

            .page-hero h1 {
                font-size: 1.5rem;
            }

            .page-hero p {
                font-size: 0.875rem;
            }

            .page-hero::after {
                width: 80px;
                height: 80px;
                top: 10px;
                right: 20px;
                border-width: 3px;
            }

            .page-hero::before {
                width: 56px;
                height: 56px;
                top: 22px;
                right: 32px;
            }

            .featured-card .featured-content {
                padding: 20px;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 575px) {
            .nav-brand-text {
                font-size: 1rem;
            }

            .nav-brand-icon {
                width: 32px;
                height: 32px;
            }

            .nav-brand-icon::before {
                font-size: 0.6rem;
            }

            .nav-brand-icon::after {
                width: 20px;
                height: 20px;
                border-width: 1.5px;
            }

            .site-nav {
                padding: 10px 12px;
                gap: 10px;
            }

            .page-hero h1 {
                font-size: 1.25rem;
            }

            .page-hero::after {
                display: none;
            }

            .page-hero::before {
                display: none;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #E85D3A;
            --primary-dark: #D14E2C;
            --primary-light: rgba(232, 93, 58, 0.1);
            --secondary: #1F2E2A;
            --secondary-light: rgba(31, 46, 42, 0.85);
            --accent: #D9A441;
            --accent-light: rgba(217, 164, 65, 0.1);
            --bg: #FAF7F2;
            --card-bg: #FFFFFF;
            --border: #E5E0D8;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --text-light: #D8D0C4;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

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

        .container-wide {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navigation */
        .site-nav-wrapper {
            position: sticky;
            top: 12px;
            z-index: 1050;
            margin: 0 20px;
        }

        .site-nav {
            background-color: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .nav-brand-icon::after {
            content: '';
            width: 28px;
            height: 28px;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            position: absolute;
        }

        .nav-brand-icon::before {
            content: '28';
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .nav-brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-item:hover,
        .nav-link-item.active {
            background: #fff;
            color: var(--secondary);
        }

        .nav-link-item i {
            font-size: 0.9rem;
        }

        .nav-cta {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 16px 20px;
            background: var(--secondary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-top: 4px;
        }

        .nav-mobile-menu .nav-link-item {
            display: flex;
            width: 100%;
        }

        .nav-mobile-menu.show {
            display: flex;
        }

        /* Hero / Banner */
        .page-banner {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin-top: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 3px solid rgba(217, 164, 65, 0.3);
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 80px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 2px solid rgba(232, 93, 58, 0.3);
            pointer-events: none;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            margin-bottom: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-custom .current {
            color: var(--accent);
            font-weight: 500;
        }

        .page-banner h1 {
            color: #fff;
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-sub {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 640px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        /* Section Common */
        .section-block {
            padding: 64px 0 32px;
        }

        .section-block:first-of-type {
            padding-top: 48px;
        }

        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-lead {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* Quick Entry Cards */
        .quick-entry-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }

        .quick-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .quick-entry-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .quick-entry-card:hover .quick-entry-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .quick-entry-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin: 0;
            color: var(--text);
        }

        .quick-entry-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ Section */
        .faq-section {
            padding: 48px 0;
        }

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

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            font-size: 1.25rem;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            display: inline-flex;
        }

        .faq-item.open .faq-question {
            color: var(--primary);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-focus);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer a {
            color: var(--primary);
            font-weight: 500;
        }

        /* Form Section */
        .form-section {
            padding: 48px 0 64px;
        }

        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            max-width: 720px;
            margin: 0 auto;
        }

        .form-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .form-card .form-hint {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-control-custom {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
            margin-bottom: 16px;
            resize: vertical;
            min-height: 44px;
        }

        .form-control-custom:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: var(--shadow-focus);
        }

        .form-control-custom::placeholder {
            color: #A39B8E;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 93, 58, 0.3);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.925rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            padding: 64px 0 0;
            margin-top: 32px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand-logo i {
            font-size: 2rem;
            color: var(--accent);
        }

        .footer-description {
            color: var(--text-light);
            font-size: 0.9375rem;
            line-height: 1.8;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a,
        .footer-contact li {
            color: var(--text-light);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .footer-subscribe-text {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 14px;
            line-height: 1.7;
        }

        .footer-btn {
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 0.875rem;
            padding: 8px 20px;
        }

        .footer-btn:hover {
            background-color: #fff;
            color: var(--secondary);
            border-color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            margin: 0 0 8px;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer-bottom-links .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .page-banner {
                padding: 36px 24px;
            }
            .form-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .site-nav-wrapper {
                margin: 0 10px;
                top: 8px;
            }
            .site-nav {
                padding: 10px 16px;
                border-radius: var(--radius-md);
            }
            .nav-brand-text {
                font-size: 1.15rem;
            }
            .nav-brand-icon {
                width: 36px;
                height: 36px;
            }
            .nav-brand-icon::after {
                width: 22px;
                height: 22px;
                border-width: 1.5px;
            }
            .nav-brand-icon::before {
                font-size: 0.6rem;
            }
            .section-block {
                padding: 40px 0 16px;
            }
            .page-banner {
                padding: 24px 18px;
                margin-top: 20px;
                border-radius: var(--radius-md);
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-sub {
                font-size: 0.95rem;
            }
            .quick-entry-card {
                padding: 20px 14px;
                gap: 8px;
            }
            .quick-entry-icon {
                width: 56px;
                height: 56px;
                font-size: 1.5rem;
            }
            .quick-entry-card h3 {
                font-size: 1rem;
            }
            .quick-entry-card p {
                font-size: 0.8rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.925rem;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.875rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .form-card {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .form-card h3 {
                font-size: 1.15rem;
            }
            .site-footer {
                padding: 40px 0 0;
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
            .footer-bottom {
                padding: 16px 0;
                margin-top: 24px;
            }
            .footer-bottom-links {
                gap: 10px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 32px 0 8px;
            }
            .form-card {
                padding: 16px 14px;
            }
            .btn-primary-custom {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }
        }

/* roulang page: category6 */
:root {
    --primary: #E85D3A;
    --primary-dark: #D14E2C;
    --primary-light: rgba(232, 93, 58, 0.1);
    --secondary: #1F2E2A;
    --secondary-light: rgba(31, 46, 42, 0.85);
    --accent: #D9A441;
    --accent-light: rgba(217, 164, 65, 0.1);
    --bg: #FAF7F2;
    --card-bg: #FFFFFF;
    --border: #E5E0D8;
    --text: #2B2B2B;
    --text-muted: #6B6B6B;
    --text-light: #D8D0C4;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-btn: 12px;
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(31, 46, 42, 0.15);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-focus: 0 0 0 3px rgba(232, 93, 58, 0.2);
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s ease;
}
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-dark);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button, input, textarea, select {
    font-family: var(--font-family);
}
.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}
.container-wide {
    max-width: 1280px;
    padding-left: 24px;
    padding-right: 24px;
}
/* Navigation */
.site-nav-wrapper {
    position: sticky;
    top: 12px;
    z-index: 1050;
    margin: 0 20px;
}
.site-nav {
    background-color: var(--secondary);
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    box-shadow: var(--shadow-md);
    flex-wrap: wrap;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.nav-brand:hover {
    color: #fff;
}
.nav-brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}
.nav-brand-icon::after {
    content: '';
    width: 28px;
    height: 28px;
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    position: absolute;
}
.nav-brand-icon::before {
    content: '28';
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}
.nav-brand-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.nav-link-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.08);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link-item:hover,
.nav-link-item.active {
    background: #fff;
    color: var(--secondary);
}
.nav-link-item i {
    font-size: 0.9rem;
}
.nav-cta {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.925rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.nav-cta:hover {
    background-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
}
.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    font-size: 1.5rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.nav-mobile-menu {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 16px 20px;
    background: var(--secondary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin-top: 4px;
}
.nav-mobile-menu .nav-link-item {
    display: flex;
    width: 100%;
}
/* Breadcrumb */
.breadcrumb-section {
    padding: 32px 0 12px;
}
.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.breadcrumb-custom a {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.breadcrumb-custom a:hover {
    color: var(--primary);
}
.breadcrumb-custom .separator {
    color: var(--border);
}
.breadcrumb-custom .current {
    color: var(--primary);
    font-weight: 500;
}
/* Page Header */
.page-header {
    padding: 28px 0 40px;
}
.page-header h1 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 12px;
}
.page-header .lead {
    font-size: 1.0625rem;
    color: var(--text-muted);
    max-width: 720px;
}
/* Hero Stats */
.hero-stats-section {
    padding: 12px 0 48px;
}
.stat-card-large {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.stat-card-large:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.stat-card-large .stat-number {
    font-size: clamp(2.75rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 8px;
}
.stat-card-large .stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
}
.stat-card-large .stat-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.stat-card-large .stat-icon {
    position: absolute;
    top: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
}
/* Section Common */
.section-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 720px;
    margin-bottom: 32px;
}
.section-padding {
    padding: 56px 0;
}
/* Metric Cards Grid */
.metric-grid-section {
    padding: 40px 0 56px;
}
.metric-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: var(--transition);
}
.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}
.metric-card .metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.metric-card .metric-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
}
.metric-card .metric-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
}
.metric-card .metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 8px;
}
.metric-card .metric-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.metric-card .metric-trend.up {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
}
.metric-card .metric-trend.down {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}
.metric-card .metric-trend.flat {
    background: var(--primary-light);
    color: var(--primary);
}
.metric-card .metric-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}
/* Chart Placeholder */
.chart-section {
    padding: 40px 0 56px;
}
.chart-placeholder {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}
.chart-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(232, 93, 58, 0.15), transparent 70%);
}
.chart-ring {
    width: 180px;
    height: 180px;
    border: 4px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.chart-ring::before {
    content: '';
    position: absolute;
    inset: 18px;
    border: 2px solid rgba(216, 164, 65, 0.6);
    border-radius: 50%;
}
.chart-ring::after {
    content: '';
    position: absolute;
    inset: 40px;
    border: 2px dashed rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}
.chart-ring .chart-center-text {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
}
.chart-ring .chart-center-text .chart-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    display: block;
}
.chart-ring .chart-center-text .chart-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    display: block;
}
.chart-caption {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-top: 20px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
/* Insight Text Block */
.insight-text-section {
    padding: 40px 0 24px;
}
.insight-text-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-sm);
    max-width: 880px;
    margin: 0 auto;
}
.insight-text-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}
.insight-text-card p {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.9;
    margin-bottom: 16px;
}
.insight-text-card p:last-child {
    margin-bottom: 0;
}
/* FAQ */
.faq-section {
    padding: 48px 0 56px;
}
.faq-accordion .accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--card-bg);
}
.faq-accordion .accordion-button {
    background: var(--card-bg);
    color: var(--secondary);
    font-weight: 600;
    font-size: 1rem;
    padding: 18px 24px;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-radius: var(--radius-sm) !important;
}
.faq-accordion .accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: none;
    border-bottom: 3px solid var(--primary);
}
.faq-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary);
}
.faq-accordion .accordion-button .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
}
.faq-accordion .accordion-body {
    padding: 20px 24px;
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.8;
}
/* CTA Section */
.cta-section {
    padding: 40px 0 64px;
}
.cta-card {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 93, 58, 0.15), transparent 70%);
}
.cta-card h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}
.cta-card p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    max-width: 480px;
}
.cta-card .btn-primary-custom {
    position: relative;
    z-index: 1;
}
/* Buttons */
.btn-primary-custom {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-primary-custom:hover {
    background-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(232, 93, 58, 0.3);
}
.btn-primary-custom:focus {
    box-shadow: var(--shadow-focus);
    outline: none;
}
.btn-outline-custom {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline-custom:hover {
    background-color: var(--primary);
    color: #fff;
}
.btn-outline-custom:focus {
    box-shadow: var(--shadow-focus);
    outline: none;
}
/* Footer */
.site-footer {
    background-color: var(--secondary);
    color: var(--text-light);
    padding-top: 64px;
    margin-top: 40px;
}
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}
.footer-brand-logo i {
    font-size: 1.5rem;
    color: var(--accent);
}
.footer-description {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 0;
}
.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-light);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer-links a:hover {
    color: #fff;
}
.footer-links a i {
    font-size: 0.7rem;
    transition: var(--transition);
}
.footer-links a:hover i {
    transform: translateX(2px);
}
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-contact li {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-contact i {
    color: var(--accent);
    font-size: 0.95rem;
    width: 18px;
    text-align: center;
}
.footer-subscribe-text {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}
.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    padding: 8px 20px;
    border-color: var(--accent);
    color: var(--accent);
}
.footer-btn:hover {
    background-color: var(--accent);
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 40px;
    padding: 20px 0;
}
.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}
.footer-bottom .footer-legal-links a {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-right: 16px;
    transition: var(--transition);
}
.footer-bottom .footer-legal-links a:hover {
    color: #fff;
}
/* Responsive */
@media (max-width: 991.98px) {
    .nav-links {
        display: none;
    }
    .nav-cta-desktop {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-mobile-menu.show {
        display: flex;
    }
    .site-nav-wrapper {
        margin: 0 12px;
    }
    .site-nav {
        padding: 10px 16px;
    }
    .stat-card-large {
        padding: 28px 24px;
    }
    .stat-card-large .stat-icon {
        position: static;
        margin-bottom: 12px;
    }
    .cta-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .chart-placeholder {
        min-height: 260px;
        padding: 36px 24px;
    }
    .chart-ring {
        width: 140px;
        height: 140px;
    }
}
@media (max-width: 767.98px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .page-header {
        padding: 20px 0 28px;
    }
    .section-padding {
        padding: 40px 0;
    }
    .metric-grid-section {
        padding: 28px 0 40px;
    }
    .chart-section {
        padding: 28px 0 40px;
    }
    .faq-section {
        padding: 32px 0 40px;
    }
    .cta-section {
        padding: 28px 0 48px;
    }
    .stat-card-large .stat-number {
        font-size: 2.25rem;
    }
    .metric-card .metric-value {
        font-size: 1.5rem;
    }
    .insight-text-card {
        padding: 28px 20px;
    }
    .footer-bottom {
        text-align: center;
    }
    .footer-bottom .footer-legal-links {
        margin-top: 8px;
    }
    .breadcrumb-section {
        padding: 20px 0 8px;
    }
}
@media (max-width: 519.98px) {
    .site-nav-wrapper {
        margin: 0 8px;
        top: 8px;
    }
    .site-nav {
        padding: 8px 12px;
        gap: 8px;
    }
    .nav-brand-text {
        font-size: 1.1rem;
    }
    .nav-brand-icon {
        width: 36px;
        height: 36px;
    }
    .nav-brand-icon::before {
        font-size: 0.6rem;
    }
    .nav-brand-icon::after {
        width: 22px;
        height: 22px;
    }
    .nav-toggle {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }
    .chart-ring {
        width: 110px;
        height: 110px;
    }
    .chart-ring .chart-center-text .chart-value {
        font-size: 1.25rem;
    }
}