/* roulang page: index */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-cn);
            color: var(--primary);
            line-height: 1.4;
            margin-top: 0;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        p {
            margin-bottom: 1.25rem;
            line-height: 1.85;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-lg {
            max-width: 1200px;
        }

        .section-block {
            padding: 72px 0;
        }

        .section-block-sm {
            padding: 48px 0;
        }

        .section-block-lg {
            padding: 88px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-muted-2 {
            color: var(--muted);
        }

        .bg-sand {
            background-color: var(--sand);
        }
        .bg-primary-dark {
            background-color: var(--primary);
        }
        .bg-white {
            background-color: var(--white);
        }

        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }

        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            background: transparent;
            color: var(--accent);
            border: 1.5px solid var(--accent);
            border-radius: 10px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
        }
        .btn-outline-primary:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-link-accent {
            background: none;
            color: var(--accent);
            padding: 4px 0;
            font-weight: 600;
            font-size: 14px;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .btn-link-accent:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-custom .card-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .card-custom .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: var(--accent-soft);
            color: var(--accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .icon-circle-small {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            background: var(--accent-soft);
            color: var(--accent);
            flex-shrink: 0;
        }

        .header-nav {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 16px rgba(14, 42, 58, 0.18);
            min-height: 72px;
        }
        .header-nav .navbar {
            padding: 12px 0;
        }
        .header-nav .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .header-nav .navbar-brand:hover {
            color: #fff;
        }
        .header-nav .navbar-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }
        .header-nav .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: color var(--transition), background-color var(--transition);
            letter-spacing: 0.01em;
        }
        .header-nav .nav-link:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .header-nav .nav-link.active {
            color: #fff;
            background: rgba(255, 110, 78, 0.15);
            box-shadow: inset 0 -3px 0 0 var(--accent);
        }
        .header-nav .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 8px 10px;
        }
        .header-nav .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--accent-ring);
        }
        .header-nav .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .header-cta {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            transition: background-color var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        .activity-strip {
            background: var(--accent);
            color: #fff;
            padding: 12px 0;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            z-index: 1049;
        }
        .activity-strip .inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .activity-strip .countdown-badge {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 4px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .hero-section {
            background: linear-gradient(135deg, rgba(14, 42, 58, 0.92) 0%, rgba(14, 42, 58, 0.72) 45%, rgba(14, 42, 58, 0.55) 100%), url('/assets/images/cdcca85f6d805771.jpg') center/cover no-repeat;
            color: #fff;
            padding: 88px 0 80px;
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-section h1 {
            color: #fff;
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .hero-section .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.85;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .hero-section .hero-data-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px;
            color: #fff;
        }
        .hero-section .hero-data-card .data-item {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-section .hero-data-card .data-item:last-child {
            border-bottom: none;
        }
        .hero-section .hero-data-card .data-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            min-width: 70px;
        }
        .hero-section .hero-data-card .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
        }
        .quick-entry-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: all var(--transition);
            display: block;
            color: var(--ink);
            text-decoration: none;
            height: 100%;
        }
        .quick-entry-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: var(--ink);
        }
        .quick-entry-item .qi-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .quick-entry-item .qi-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .quick-entry-item .qi-desc {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.5;
        }

        .service-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: all var(--transition);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card .sc-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .service-card .sc-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .metrics-bar {
            background: var(--primary);
            padding: 48px 0;
            color: #fff;
        }
        .metrics-bar .metric-item {
            text-align: center;
            padding: 16px;
        }
        .metrics-bar .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metrics-bar .metric-unit {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .metrics-bar .metric-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        .deep-content {
            max-width: 760px;
            font-size: 16px;
            line-height: 1.95;
            color: var(--ink);
        }
        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .deep-content p {
            margin-bottom: 20px;
        }

        .step-timeline {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            counter-reset: step;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-timeline .step-item {
            flex: 1 1 200px;
            min-width: 180px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            position: relative;
            counter-increment: step;
        }
        .step-timeline .step-item::before {
            content: counter(step, decimal-leading-zero);
            font-size: 14px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }
        .step-timeline .step-item .st-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-timeline .step-item .st-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: all var(--transition);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .case-card .case-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .case-card .case-body {
            padding: 20px;
        }
        .case-card .case-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .case-card .case-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .case-card .case-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .case-card .case-result {
            font-size: 13px;
            font-weight: 600;
            color: var(--success);
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: all var(--transition);
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-card .news-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }
        .news-card .news-body {
            padding: 18px;
        }
        .news-card .news-date {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card .news-summary {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .partner-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            align-items: center;
        }
        .partner-placeholder {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 32px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            border: 1px dashed var(--border);
            text-align: center;
            min-width: 140px;
            transition: all var(--transition);
        }
        .partner-placeholder:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: #fff;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            border: 1px solid rgba(14, 42, 58, 0.08);
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-soft);
        }
        .faq-item .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--accent);
        }
        .faq-item .faq-question .faq-icon {
            font-size: 16px;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .promise-bar {
            background: var(--sand);
            padding: 48px 0;
        }
        .promise-item {
            text-align: center;
            padding: 16px;
        }
        .promise-item .pi-icon {
            font-size: 28px;
            color: var(--success);
            margin-bottom: 10px;
        }
        .promise-item .pi-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .contact-section {
            background: var(--primary);
            color: #fff;
            padding: 72px 0;
        }
        .contact-section .contact-form-wrapper {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }
        .contact-section .contact-form-wrapper .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .contact-section .contact-form-wrapper .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--ink);
            background: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .contact-section .contact-form-wrapper .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-soft);
            outline: none;
        }
        .contact-section .contact-form-wrapper .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--ink);
            background-color: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .contact-section .contact-form-wrapper .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-soft);
            outline: none;
        }
        .contact-section .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }
        .contact-section .contact-info-item .ci-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 28px;
            font-size: 14px;
        }
        .footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }
        .footer .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 8px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--accent);
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
        }
        .footer .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .hero-section {
                padding: 64px 0;
                min-height: auto;
            }
            .hero-section h1 {
                font-size: 30px;
            }
            .hero-section .hero-subtitle {
                font-size: 15px;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .metrics-bar .metric-value {
                font-size: 28px;
            }
            .header-nav .navbar-brand {
                font-size: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 48px 0;
            }
            .hero-section h1 {
                font-size: 28px;
            }
            .hero-section .hero-data-card {
                margin-top: 32px;
            }
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .step-timeline {
                flex-direction: column;
            }
            .metrics-bar .metric-value {
                font-size: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .activity-strip .inner {
                gap: 8px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .hero-section .hero-subtitle {
                font-size: 14px;
            }
            .btn-primary-custom {
                padding: 12px 24px;
                font-size: 14px;
            }
            .btn-outline-custom {
                padding: 12px 20px;
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .header-nav .navbar-brand {
                font-size: 17px;
            }
            .header-nav .navbar-brand .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .quick-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .quick-entry-item {
                padding: 14px 10px;
            }
            .contact-section .contact-form-wrapper {
                padding: 20px;
            }
        }

        @media (max-width: 375px) {
            .hero-section h1 {
                font-size: 22px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }
        a:focus, button:focus, input:focus, select:focus, textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: var(--font-cn);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-block {
            padding: 72px 0;
        }
        .section-block-sm {
            padding: 48px 0;
        }
        .section-block-lg {
            padding: 88px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-muted-2 {
            color: var(--muted);
        }
        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }
        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-dark-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: 50px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
        }
        .btn-outline-dark-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .header-nav {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 4px 18px rgba(14, 42, 58, 0.12);
        }
        .navbar {
            min-height: 68px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .navbar-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .logo-icon {
            width: 30px;
            height: 30px;
            background: var(--accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 16px;
        }
        .navbar-dark .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14.5px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .navbar-dark .navbar-nav .nav-link:hover,
        .navbar-dark .navbar-nav .nav-link.active {
            color: var(--accent);
            background: rgba(255, 110, 78, 0.08);
        }
        .navbar-dark .navbar-nav .nav-link.active {
            color: var(--accent);
        }
        .header-cta {
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .header-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(255, 110, 78, 0.35);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid var(--accent-ring);
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--primary-deep);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 10px;
            }
            .header-cta {
                display: inline-block;
                margin-top: 10px;
                text-align: center;
                width: 100%;
            }
        }
        .breadcrumb-section {
            background: var(--sand);
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            margin: 0;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb-item a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-item.active {
            color: var(--accent);
        }
        .page-title-wrap {
            background: linear-gradient(125deg, rgba(14, 42, 58, 0.95) 0%, rgba(8, 31, 45, 0.9) 100%);
            color: #fff;
            padding: 52px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .page-title-wrap::after {
            content: "";
            position: absolute;
            right: -80px;
            top: 50%;
            width: 300px;
            height: 300px;
            background: rgba(255, 110, 78, 0.08);
            border-radius: 50%;
            transform: translateY(-50%);
            pointer-events: none;
        }
        .page-title-wrap h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .page-title-wrap p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 720px;
            margin-bottom: 14px;
            line-height: 1.8;
        }
        .event-stats-bar {
            background: var(--primary-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }
        .stat-inline {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .stat-inline-item {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stat-inline-item i {
            color: var(--accent);
            font-size: 18px;
        }
        .stat-inline-item strong {
            font-size: 20px;
            color: var(--accent);
            margin-right: 4px;
        }
        .event-list-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(255, 110, 78, 0.4);
        }
        .event-list-card .event-thumb {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .event-list-card .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .event-list-card .event-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }
        .event-list-card .event-body {
            padding: 24px 26px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .event-list-card .event-meta {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .event-list-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .event-list-card h3 a {
            color: var(--primary);
        }
        .event-list-card h3 a:hover {
            color: var(--accent);
        }
        .event-list-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 18px;
            flex: 1;
        }
        .event-list-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .event-list-card .read-more:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-tags .tag-item {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .filter-tags .tag-item:hover,
        .filter-tags .tag-item.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .sidebar-card {
            background: var(--sand);
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--border);
        }
        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .sidebar-news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-news-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            gap: 12px;
            font-size: 14px;
        }
        .sidebar-news-list li:last-child {
            border-bottom: none;
        }
        .sidebar-news-list .side-date {
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
        }
        .sidebar-news-list a {
            color: var(--ink);
            font-weight: 500;
            transition: color var(--transition);
        }
        .sidebar-news-list a:hover {
            color: var(--accent);
        }
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .category-entry {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .category-entry:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .category-entry i {
            display: block;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .newsletter-box {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .newsletter-box h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .newsletter-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            margin-bottom: 0;
        }
        .newsletter-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .newsletter-form input {
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 12px 22px;
            color: #fff;
            min-width: 240px;
        }
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }
        .newsletter-form input:focus {
            outline: 3px solid var(--accent-ring);
            background: rgba(255, 255, 255, 0.15);
        }
        .deep-article {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 32px;
            box-shadow: var(--shadow-sm);
        }
        .deep-article h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.45;
        }
        .deep-article p {
            font-size: 15px;
            color: var(--ink);
            line-height: 1.9;
            margin-bottom: 18px;
        }
        .related-article-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .related-article-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 0;
            border-bottom: 1px solid var(--border);
        }
        .related-article-list li:last-child {
            border-bottom: none;
        }
        .related-article-list .related-icon {
            width: 40px;
            height: 40px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .related-article-list a {
            color: var(--ink);
            font-weight: 500;
        }
        .related-article-list a:hover {
            color: var(--accent);
        }
        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 9px;
            font-size: 14px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-links i {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
            margin-left: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 767.98px) {
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-title-wrap h1 {
                font-size: 30px;
            }
            .section-block {
                padding: 52px 0;
            }
            .deep-article {
                padding: 26px 20px;
            }
            .newsletter-box {
                padding: 24px;
            }
            .newsletter-form input {
                min-width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .stat-inline {
                gap: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-lg {
            max-width: 1200px;
        }
        .section-block {
            padding: 72px 0;
        }
        .section-block-sm {
            padding: 48px 0;
        }
        .section-block-lg {
            padding: 88px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-muted-2 {
            color: var(--muted);
        }
        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }
        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-link-accent {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .btn-link-accent:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .header-nav {
            background-color: var(--primary);
            min-height: 72px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .header-nav .navbar {
            min-height: 72px;
            padding: 0;
        }
        .header-nav .navbar-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            border-radius: 8px;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .header-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            padding: 8px 14px;
            margin: 0 4px;
            border-radius: 6px;
            position: relative;
            transition: all var(--transition);
        }
        .header-nav .navbar-nav .nav-link:hover,
        .header-nav .navbar-nav .nav-link:focus {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .header-nav .navbar-nav .nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }
        .header-nav .navbar-nav .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 4px auto 0;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
        }
        .header-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 110, 78, 0.35);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 8px 10px;
            border-radius: 8px;
        }
        .navbar-toggler-icon {
            filter: brightness(0) invert(1);
        }
        .activity-bar {
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 8px 0;
            text-align: center;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 999;
        }
        .activity-bar .activity-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .activity-badge {
            background: rgba(255, 255, 255, 0.25);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 12px;
            backdrop-filter: blur(4px);
        }
        .page-header-area {
            background: var(--sand);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .separator {
            color: #C5BFB4;
            font-size: 11px;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        .page-h1-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .stats-strip {
            background: var(--primary);
            color: #fff;
        }
        .stats-strip .stat-item {
            text-align: center;
            padding: 24px 16px;
        }
        .stats-strip .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .stats-strip .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 6px;
        }
        .data-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .data-card-thumb {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .data-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .data-card-thumb .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .data-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .data-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .data-card-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        .data-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .data-card-meta i {
            color: var(--accent);
            font-size: 12px;
        }
        .data-table-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .data-table-wrap .table-header {
            background: var(--primary);
            color: #fff;
            padding: 18px 24px;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .data-table-wrap .table-header i {
            color: var(--accent);
        }
        .team-table {
            margin: 0;
            font-size: 14px;
        }
        .team-table th {
            background: var(--sand);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }
        .team-table td {
            padding: 14px 16px;
            border-bottom: 1px solid #F0ECE4;
            color: var(--ink);
            vertical-align: middle;
        }
        .team-table tr:hover td {
            background: #FAF8F4;
        }
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-filter .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 50px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .tag-filter .tag-item:hover,
        .tag-filter .tag-item.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(255, 110, 78, 0.3);
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid #F0ECE4;
            transition: all var(--transition);
        }
        .hot-list-item:last-child {
            border-bottom: none;
        }
        .hot-list-item:hover {
            padding-left: 8px;
        }
        .hot-list-item .hot-rank {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--sand);
            border-radius: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .hot-list-item .hot-rank.rank-1 {
            background: var(--accent);
            color: #fff;
        }
        .hot-list-item .hot-rank.rank-2 {
            background: var(--accent);
            color: #fff;
            opacity: 0.75;
        }
        .hot-list-item .hot-rank.rank-3 {
            background: var(--accent);
            color: #fff;
            opacity: 0.55;
        }
        .hot-list-item .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            flex: 1;
            line-height: 1.5;
        }
        .hot-list-item .hot-date {
            font-size: 12px;
            color: var(--muted);
            white-space: nowrap;
        }
        .deep-doc-area {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 32px 36px;
        }
        .deep-doc-area h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-doc-area p {
            font-size: 15px;
            color: var(--ink);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-doc-area p:last-child {
            margin-bottom: 0;
        }
        .category-entry-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 28px;
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }
        .category-entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .category-entry-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border-radius: 12px;
            color: var(--accent);
            font-size: 22px;
            margin: 0 auto 14px;
        }
        .category-entry-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .subscribe-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 40px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-box .subscribe-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .subscribe-box .subscribe-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 0;
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex: 1;
            min-width: 280px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 12px 20px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            backdrop-filter: blur(4px);
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }
        .subscribe-form .btn-subscribe {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .subscribe-form .btn-subscribe:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        .article-recommend-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            margin-bottom: 12px;
        }
        .article-recommend-item:last-child {
            margin-bottom: 0;
        }
        .article-recommend-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateX(4px);
        }
        .article-recommend-item .rec-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border-radius: 10px;
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }
        .article-recommend-item .rec-body {
            flex: 1;
        }
        .article-recommend-item .rec-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 2px;
        }
        .article-recommend-item .rec-meta {
            font-size: 12px;
            color: var(--muted);
        }
        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            font-size: 14px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            font-size: 14px;
            width: 28px;
            height: 28px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .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: 13px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-links i {
            color: var(--accent);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 991px) {
            .header-nav .navbar-collapse {
                background: var(--primary);
                border-radius: 12px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid rgba(255, 255, 255, 0.15);
            }
            .header-nav .navbar-nav .nav-link {
                padding: 10px 14px;
                margin: 0;
                font-size: 15px;
            }
            .header-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .header-nav .navbar-nav .nav-link.active {
                background: rgba(255, 110, 78, 0.15);
                border-radius: 6px;
            }
            .header-cta {
                margin-top: 10px;
                justify-content: center;
                width: 100%;
            }
            .page-h1 {
                font-size: 28px;
            }
            .subscribe-box {
                padding: 28px;
                flex-direction: column;
                text-align: center;
            }
            .subscribe-form {
                width: 100%;
                flex-direction: column;
            }
            .subscribe-form .btn-subscribe {
                width: 100%;
            }
        }
        @media (max-width: 767px) {
            .section-block {
                padding: 48px 0;
            }
            .section-block-lg {
                padding: 60px 0;
            }
            .page-header-area {
                padding: 32px 0 28px;
            }
            .stats-strip .stat-item {
                padding: 16px 8px;
            }
            .stats-strip .stat-number {
                font-size: 24px;
            }
            .stats-strip .stat-label {
                font-size: 12px;
            }
            .data-card-thumb {
                height: 140px;
            }
            .deep-doc-area {
                padding: 20px 18px;
            }
            .deep-doc-area h3 {
                font-size: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .team-table {
                font-size: 12px;
            }
            .team-table th,
            .team-table td {
                padding: 10px 10px;
            }
        }
        @media (max-width: 575px) {
            .page-h1 {
                font-size: 24px;
            }
            .page-h1-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .tag-filter .tag-item {
                font-size: 12px;
                padding: 6px 14px;
            }
            .hot-list-item {
                flex-wrap: wrap;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }

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

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-lg {
            max-width: 1200px;
        }

        .section-block {
            padding: 72px 0;
        }
        .section-block-sm {
            padding: 48px 0;
        }
        .section-block-lg {
            padding: 88px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-muted-2 {
            color: var(--muted);
        }

        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            transition: all var(--transition);
        }
        .badge-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }
        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--border);
            border-radius: 10px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 500;
        }
        .btn-outline-primary-custom:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-1px);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* 导航 */
        .header-nav {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(14, 42, 58, 0.18);
            min-height: 68px;
        }
        .header-nav .navbar {
            background-color: transparent;
            padding: 10px 0;
            min-height: 68px;
        }
        .header-nav .navbar-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-nav .navbar-brand:hover {
            color: #fff;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
        }
        .header-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }
        .header-nav .navbar-nav .nav-link:hover {
            color: var(--accent);
        }
        .header-nav .navbar-nav .nav-link.active {
            color: var(--accent);
            position: relative;
        }
        .header-nav .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2.5px;
            background-color: var(--accent);
            border-radius: 2px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 50px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.28);
        }
        .header-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 110, 78, 0.4);
        }

        /* 分类页标题区 */
        .category-heading {
            background: linear-gradient(135deg, var(--primary) 0%, #143d52 55%, #1a4d66 100%);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
        }
        .category-heading::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: var(--accent-soft);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-heading::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-heading .breadcrumb {
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .category-heading .breadcrumb-item,
        .category-heading .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            text-decoration: none;
        }
        .category-heading .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .category-heading .breadcrumb-item.active {
            color: #fff;
        }
        .category-heading .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: rgba(255, 255, 255, 0.45);
        }
        .category-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
            position: relative;
            z-index: 2;
            letter-spacing: 0.01em;
        }
        .category-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 2;
        }

        /* 统计条 */
        .stats-strip {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 8px 16px;
        }
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
        }

        /* 训练笔记列表 */
        .notes-list {
            background: var(--sand);
        }
        .note-card {
            display: flex;
            flex-direction: row;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 0;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid transparent;
        }
        .note-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
            transform: translateY(-3px);
        }
        .note-card .note-thumb {
            flex: 0 0 200px;
            min-height: 160px;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }
        .note-card .note-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
            transition: transform 0.4s ease;
        }
        .note-card:hover .note-thumb img {
            transform: scale(1.04);
        }
        .note-card .note-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .note-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .note-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .note-card:hover .note-title {
            color: var(--accent);
        }
        .note-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .note-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--muted);
        }
        .note-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .note-readmore:hover {
            color: var(--accent-hover);
        }

        /* 查看更多按钮 */
        .list-more-wrapper {
            text-align: center;
            padding-top: 12px;
        }

        /* 标签筛选区 */
        .tag-filter-section {
            background: var(--white);
            padding: 44px 0;
            border-top: 1px solid var(--border);
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-start;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--sand);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            user-select: none;
        }
        .tag-chip:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
        }
        .tag-chip.active {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        /* 热门推荐 */
        .hot-list-section {
            background: var(--sand);
            padding: 48px 0;
            border-top: 1px solid var(--border);
        }
        .hot-item {
            display: flex;
            align-items: center;
            padding: 14px 18px;
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            margin-right: 14px;
        }
        .hot-rank.top1 {
            background: var(--accent);
            color: #fff;
        }
        .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            flex: 1;
            line-height: 1.4;
        }
        .hot-date {
            font-size: 12px;
            color: var(--muted);
            white-space: nowrap;
            margin-left: 12px;
        }

        /* 分类入口 */
        .category-entry-section {
            background: var(--white);
            padding: 56px 0;
            border-top: 1px solid var(--border);
        }
        .category-entry-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 28px 20px;
            background: var(--sand);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            height: 100%;
            min-height: 160px;
        }
        .category-entry-card:hover {
            background: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .category-entry-card .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .category-entry-card:hover .entry-icon {
            background: var(--accent);
            color: #fff;
        }
        .category-entry-card .entry-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .category-entry-card:hover .entry-title {
            color: #fff;
        }
        .category-entry-card .entry-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            transition: color var(--transition);
        }
        .category-entry-card:hover .entry-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        /* 订阅 CTA */
        .subscribe-section {
            background: linear-gradient(135deg, var(--primary) 0%, #143d52 60%, #1a4d66 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .subscribe-section::before {
            content: "";
            position: absolute;
            top: -40px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 110, 78, 0.1);
            border-radius: 50%;
        }
        .subscribe-section .container {
            position: relative;
            z-index: 2;
        }
        .subscribe-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .subscribe-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-form input[type="email"]:focus {
            outline: 3px solid var(--accent-ring);
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }

        /* 深度短文 */
        .deep-reading-section {
            background: var(--white);
            padding: 56px 0;
            border-top: 1px solid var(--border);
        }
        .deep-reading-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }
        .deep-reading-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.35;
        }
        .deep-reading-text {
            font-size: 15px;
            color: var(--ink);
            line-height: 1.9;
            margin-bottom: 18px;
        }
        .deep-reading-text:last-child {
            margin-bottom: 0;
        }

        /* 页脚 */
        .footer {
            background-color: var(--primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 32px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-links li a:hover {
            color: var(--accent);
        }
        .footer-links li i {
            color: var(--accent);
            font-size: 12px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .header-nav .navbar-collapse {
                background: var(--primary);
                padding: 16px 20px;
                border-radius: 0 0 12px 12px;
                margin-top: 8px;
            }
            .header-nav .navbar-nav .nav-link {
                padding: 12px 8px;
                font-size: 15px;
            }
            .header-cta {
                margin-top: 12px;
                justify-content: center;
                width: 100%;
            }
            .note-card {
                flex-direction: column;
            }
            .note-card .note-thumb {
                flex: 0 0 180px;
                min-height: 180px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .note-card .note-thumb img {
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .note-card .note-body {
                padding: 18px 20px;
            }
            .category-title {
                font-size: 30px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 52px 0;
            }
            .section-block-lg {
                padding: 64px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-heading {
                padding: 40px 0 36px;
            }
            .category-title {
                font-size: 26px;
            }
            .category-desc {
                font-size: 14px;
            }
            .stat-number {
                font-size: 26px;
            }
            .stat-number .stat-unit {
                font-size: 13px;
            }
            .note-card .note-thumb {
                flex: 0 0 150px;
                min-height: 150px;
            }
            .note-card .note-body {
                padding: 16px;
            }
            .note-title {
                font-size: 17px;
            }
            .note-summary {
                font-size: 13px;
                -webkit-line-clamp: 3;
            }
            .note-meta {
                flex-wrap: wrap;
                gap: 8px;
                font-size: 12px;
            }
            .tag-chip {
                font-size: 12px;
                padding: 6px 14px;
            }
            .subscribe-title {
                font-size: 20px;
            }
            .deep-reading-title {
                font-size: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-title {
                font-size: 23px;
            }
            .stat-item {
                padding: 6px 8px;
            }
            .stat-number {
                font-size: 22px;
            }
            .note-card .note-thumb {
                flex: 0 0 130px;
                min-height: 130px;
            }
            .note-card .note-body {
                padding: 14px;
            }
            .note-title {
                font-size: 16px;
            }
            .hot-item {
                padding: 12px 14px;
            }
            .hot-title {
                font-size: 13px;
            }
            .hot-date {
                font-size: 11px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }

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

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-lg {
            max-width: 1200px;
        }

        .section-block {
            padding: 72px 0;
        }

        .section-block-sm {
            padding: 48px 0;
        }

        .section-block-lg {
            padding: 88px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

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

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

        .text-muted-2 {
            color: var(--muted);
        }

        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }

        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }

        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }

        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1.5px solid var(--accent);
            border-radius: 50px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
        }

        .btn-outline-accent:hover {
            background: var(--accent-soft);
            color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
            font-weight: 600;
        }

        .btn-link-accent {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            padding: 0;
            border: none;
            background: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition), color var(--transition);
        }

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

        /* Header/Nav */
        .header-nav {
            background-color: var(--primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .header-nav .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
            min-height: 68px;
        }

        .header-nav .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }

        .header-nav .navbar-brand:hover {
            color: var(--accent);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            box-shadow: 0 2px 8px rgba(255, 110, 78, 0.35);
        }

        .header-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
            position: relative;
            transition: color var(--transition);
            letter-spacing: 0.02em;
        }

        .header-nav .navbar-nav .nav-link:hover {
            color: var(--accent);
        }

        .header-nav .navbar-nav .nav-link.active {
            color: var(--accent);
        }

        .header-nav .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            background-color: var(--accent);
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(255, 110, 78, 0.3);
            white-space: nowrap;
        }

        .header-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 110, 78, 0.4);
        }

        .navbar-toggler {
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--accent-ring);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--sand);
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-custom {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb-custom a {
            color: var(--primary);
            font-weight: 500;
        }

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

        .breadcrumb-custom .separator {
            color: var(--muted);
            font-size: 12px;
        }

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

        /* Page header */
        .page-header {
            background: linear-gradient(135deg, var(--primary) 0%, #123D52 55%, #164A63 100%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 110, 78, 0.15);
            border-radius: 50%;
        }

        .page-header::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: rgba(31, 122, 104, 0.12);
            border-radius: 50%;
        }

        .page-header .h1-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
            position: relative;
            z-index: 2;
        }

        .page-header .page-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 700px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
            margin-bottom: 0;
        }

        /* Stats strip */
        .stats-strip {
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }

        .stats-strip .stat-item {
            text-align: center;
            padding: 20px 12px;
        }

        .stats-strip .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

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

        /* News list cards */
        .news-list .news-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(14, 42, 58, 0.06);
        }

        .news-list .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 110, 78, 0.2);
        }

        .news-list .news-card .news-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .news-list .news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

        .news-list .news-card:hover .news-img-wrap img {
            transform: scale(1.06);
        }

        .news-list .news-card .news-category-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .news-list .news-card .news-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-list .news-card .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .news-list .news-card:hover .news-title {
            color: var(--accent);
        }

        .news-list .news-card .news-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--muted);
        }

        /* Featured article */
        .featured-article {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--primary);
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-lg);
        }

        .featured-article .featured-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .featured-article .featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 42, 58, 0.25) 0%, rgba(14, 42, 58, 0.78) 55%, rgba(8, 31, 45, 0.92) 100%);
            border-radius: 0;
        }

        .featured-article .featured-content {
            position: relative;
            z-index: 3;
            padding: 36px 40px;
            width: 100%;
        }

        .featured-article .featured-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
            max-width: 700px;
        }

        .featured-article .featured-summary {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 650px;
            line-height: 1.75;
        }

        /* Tags */
        .tags-section .tag-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 50px;
            transition: all var(--transition);
            margin: 0 8px 8px 0;
            cursor: pointer;
        }

        .tags-section .tag-btn:hover,
        .tags-section .tag-btn.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 110, 78, 0.25);
        }

        /* Hot list */
        .hot-list .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid rgba(14, 42, 58, 0.06);
            margin-bottom: 12px;
        }

        .hot-list .hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
            border-color: rgba(255, 110, 78, 0.2);
        }

        .hot-list .hot-rank {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
            font-family: var(--font-en);
        }

        .hot-list .hot-info .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
        }

        .hot-list .hot-info .hot-date {
            font-size: 12px;
            color: var(--muted);
        }

        /* Subscribe CTA */
        .subscribe-section {
            background: linear-gradient(135deg, var(--primary) 0%, #123D52 60%, #164A63 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .subscribe-section::before {
            content: "";
            position: absolute;
            top: -50px;
            right: -30px;
            width: 200px;
            height: 200px;
            background: rgba(255, 110, 78, 0.12);
            border-radius: 50%;
        }

        .subscribe-section .sub-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }

        .subscribe-section .sub-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            position: relative;
            z-index: 2;
        }

        .subscribe-form {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            background: rgba(255, 255, 255, 0.95);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 14px 20px;
            font-size: 15px;
            color: var(--ink);
            transition: all var(--transition);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 110, 78, 0.25);
            outline: none;
        }

        /* Deep article */
        .deep-article {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
        }

        .deep-article .deep-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.4;
        }

        .deep-article p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink);
            margin-bottom: 16px;
        }

        /* Related categories */
        .related-cats .rel-cat-card {
            display: block;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(14, 42, 58, 0.06);
            transition: all var(--transition);
            text-align: center;
            height: 100%;
        }

        .related-cats .rel-cat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(255, 110, 78, 0.2);
        }

        .related-cats .rel-cat-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 12px;
            font-size: 20px;
            margin: 0 auto 12px;
        }

        .related-cats .rel-cat-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }

        /* Related articles */
        .related-articles .rel-article-item {
            display: flex;
            gap: 14px;
            padding: 16px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid rgba(14, 42, 58, 0.06);
            margin-bottom: 12px;
            align-items: center;
        }

        .related-articles .rel-article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
            border-color: rgba(255, 110, 78, 0.2);
        }

        .related-articles .rel-article-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .related-articles .rel-article-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
        }

        .related-articles .rel-article-date {
            font-size: 12px;
            color: var(--muted);
        }

        /* Footer */
        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 24px;
            margin-top: 0;
        }

        .footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }

        .footer .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer .footer-links li {
            margin-bottom: 8px;
            font-size: 14px;
        }

        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

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

        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

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

        /* Responsive */
        @media (max-width: 991.98px) {
            .header-nav .navbar-collapse {
                background: var(--primary-deep);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 16px 20px;
                margin-top: 10px;
            }

            .header-nav .navbar-nav .nav-link {
                padding: 10px 12px !important;
                font-size: 15px;
            }

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

            .header-cta {
                display: block;
                text-align: center;
                margin-top: 12px;
            }

            .page-header .h1-title {
                font-size: 30px;
            }

            .featured-article {
                min-height: 300px;
            }

            .featured-article .featured-content {
                padding: 24px 28px;
            }

            .featured-article .featured-title {
                font-size: 20px;
            }

            .deep-article {
                padding: 24px 28px;
            }

            .subscribe-section {
                padding: 32px 28px;
            }

            .stats-strip .stat-item {
                padding: 14px 8px;
            }

            .stats-strip .stat-number {
                font-size: 22px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 48px 0;
            }

            .section-block-lg {
                padding: 56px 0;
            }

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

            .page-header {
                padding: 36px 0 32px;
            }

            .page-header .h1-title {
                font-size: 26px;
            }

            .page-header .page-desc {
                font-size: 14px;
            }

            .news-list .news-card .news-body {
                padding: 16px 18px 18px;
            }

            .news-list .news-card .news-title {
                font-size: 16px;
            }

            .featured-article {
                min-height: 260px;
            }

            .featured-article .featured-content {
                padding: 18px 20px;
            }

            .featured-article .featured-title {
                font-size: 18px;
            }

            .featured-article .featured-summary {
                font-size: 13px;
            }

            .hot-list .hot-rank {
                font-size: 20px;
                min-width: 32px;
            }

            .subscribe-section {
                padding: 24px 20px;
            }

            .subscribe-section .sub-title {
                font-size: 20px;
            }

            .footer {
                padding: 40px 0 20px;
            }

            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 575.98px) {
            .page-header .h1-title {
                font-size: 24px;
            }

            .news-list .news-card .news-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .stats-strip .stat-item {
                padding: 10px 4px;
            }

            .stats-strip .stat-number {
                font-size: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0E2A3A;
            --primary-deep: #081F2D;
            --accent: #FF6E4E;
            --accent-hover: #E55A3D;
            --accent-soft: rgba(255, 110, 78, 0.12);
            --accent-ring: rgba(255, 110, 78, 0.35);
            --sand: #F7F2EA;
            --ink: #1D2528;
            --muted: #6B7780;
            --border: #E3DED5;
            --success: #1F7A68;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(14, 42, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(14, 42, 58, 0.10);
            --shadow-lg: 0 8px 24px rgba(14, 42, 58, 0.12);
            --shadow-hover: 0 12px 32px rgba(14, 42, 58, 0.16);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
            --container-max: 1160px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid var(--accent-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-lg {
            max-width: 1200px;
        }
        .section-block {
            padding: 72px 0;
        }
        .section-block-sm {
            padding: 48px 0;
        }
        .section-block-lg {
            padding: 88px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-muted-2 {
            color: var(--muted);
        }
        .badge-accent {
            background-color: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .badge-success {
            background-color: var(--success);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .btn {
            font-family: var(--font-cn);
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 24px;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            border: none;
            position: relative;
        }
        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 110, 78, 0.4);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: 50px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .header-nav {
            background-color: var(--primary);
            min-height: 72px;
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .header-nav .navbar {
            min-height: 72px;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .header-nav .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .header-nav .navbar-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            font-size: 15px;
            flex-shrink: 0;
        }
        .header-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            margin: 0 2px;
            border-radius: 6px;
            transition: color var(--transition), background-color var(--transition);
        }
        .header-nav .navbar-nav .nav-link:hover {
            color: var(--accent);
            background-color: rgba(255, 110, 78, 0.1);
        }
        .header-nav .navbar-nav .nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }
        .header-nav .navbar-nav .nav-link.active::after {
            content: "";
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            margin-top: 4px;
            border-radius: 2px;
        }
        .header-nav .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 6px 10px;
            border-radius: 8px;
        }
        .header-nav .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
        }
        .header-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(255, 110, 78, 0.35);
        }
        .page-header-section {
            background-color: var(--primary);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .page-header-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 110, 78, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header-section::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: 30%;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header-section .breadcrumb {
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .page-header-section .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        .page-header-section .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .page-header-section .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
        }
        .page-header-section .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.4);
            content: "/";
        }
        .page-header-section h1 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }
        .page-header-section .page-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .stat-bar-section {
            background-color: var(--sand);
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }
        .stat-bar-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 8px 12px;
            border-radius: var(--radius-md);
            transition: background-color var(--transition);
        }
        .stat-bar-item:hover {
            background-color: rgba(14, 42, 58, 0.04);
        }
        .stat-bar-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50%;
            font-size: 18px;
            flex-shrink: 0;
        }
        .stat-bar-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .stat-bar-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 2px;
        }
        .community-list-section {
            background-color: var(--white);
        }
        .community-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .community-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .community-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            flex-shrink: 0;
        }
        .community-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .community-card:hover .card-thumb img {
            transform: scale(1.06);
        }
        .community-card .card-thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 50px;
            background: rgba(14, 42, 58, 0.82);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
        }
        .community-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .community-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.45;
            transition: color var(--transition);
        }
        .community-card:hover .card-title {
            color: var(--accent);
        }
        .community-card .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .community-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted);
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .community-card .card-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .community-card .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            transition: gap var(--transition), color var(--transition);
        }
        .community-card .read-more-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }
        .view-more-wrapper {
            text-align: center;
            margin-top: 36px;
        }
        .hot-topics-section {
            background-color: var(--sand);
        }
        .hot-topic-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .hot-topic-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .hot-topic-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 16px;
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .hot-topic-item .hot-topic-content {
            flex: 1;
            min-width: 0;
        }
        .hot-topic-item .hot-topic-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--transition);
        }
        .hot-topic-item:hover .hot-topic-title {
            color: var(--accent);
        }
        .hot-topic-item .hot-topic-date {
            font-size: 12px;
            color: var(--muted);
            margin-top: 4px;
        }
        .deep-text-section {
            background-color: var(--white);
        }
        .deep-text-card {
            background: var(--sand);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            border: 1px solid var(--border);
        }
        .deep-text-card .deep-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.4;
        }
        .deep-text-card p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--ink);
            margin-bottom: 18px;
            max-width: 760px;
        }
        .deep-text-card p:last-child {
            margin-bottom: 0;
        }
        .related-categories-section {
            background-color: var(--primary);
            padding: 64px 0;
        }
        .related-category-card {
            display: block;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            color: #fff;
            transition: all var(--transition);
            height: 100%;
            text-align: center;
        }
        .related-category-card:hover {
            background: rgba(255, 110, 78, 0.12);
            border-color: rgba(255, 110, 78, 0.4);
            transform: translateY(-4px);
            color: #fff;
        }
        .related-category-card .rc-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            font-size: 22px;
            margin-bottom: 14px;
        }
        .related-category-card .rc-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .related-category-card .rc-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        .subscribe-section {
            background-color: var(--sand);
        }
        .subscribe-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .subscribe-card .subscribe-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50%;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .subscribe-form .input-group {
            max-width: 460px;
            margin: 0 auto;
        }
        .subscribe-form .form-control {
            border-radius: 50px 0 0 50px;
            border: 1.5px solid var(--border);
            padding: 12px 22px;
            font-size: 15px;
            background: var(--sand);
            color: var(--ink);
            border-right: none;
        }
        .subscribe-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: none;
            outline: 3px solid var(--accent-ring);
            outline-offset: 0;
        }
        .subscribe-form .btn-subscribe {
            border-radius: 0 50px 50px 0;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            transition: background var(--transition);
        }
        .subscribe-form .btn-subscribe:hover {
            background: var(--accent-hover);
        }
        .faq-section {
            background-color: var(--white);
        }
        .faq-item {
            background: var(--sand);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50%;
            font-size: 13px;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .footer {
            background-color: var(--primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            font-size: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .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: 14px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-links li {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 991px) {
            .header-nav .navbar-collapse {
                background: var(--primary-deep);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 16px 18px 20px;
                margin-top: 8px;
            }
            .header-nav .navbar-nav .nav-link {
                padding: 10px 12px;
                font-size: 16px;
            }
            .header-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .header-cta {
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }
            .page-header-section h1 {
                font-size: 30px;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-block-lg {
                padding: 64px 0;
            }
            .section-block-sm {
                padding: 36px 0;
            }
            .deep-text-card {
                padding: 28px 24px;
            }
            .deep-text-card .deep-title {
                font-size: 20px;
            }
            .deep-text-card p {
                font-size: 15px;
            }
        }
        @media (max-width: 767px) {
            .page-header-section h1 {
                font-size: 26px;
            }
            .page-header-section .page-desc {
                font-size: 14px;
            }
            .stat-bar-item {
                padding: 8px 6px;
                gap: 10px;
            }
            .stat-bar-number {
                font-size: 20px;
            }
            .stat-bar-label {
                font-size: 12px;
            }
            .community-card .card-body {
                padding: 16px 18px 18px;
            }
            .community-card .card-title {
                font-size: 16px;
            }
            .hot-topic-item {
                padding: 12px 14px;
                gap: 12px;
            }
            .hot-topic-item .hot-topic-title {
                font-size: 14px;
            }
            .related-category-card {
                padding: 20px 16px;
            }
            .related-category-card .rc-title {
                font-size: 15px;
            }
            .subscribe-card {
                padding: 28px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }
        @media (max-width: 575px) {
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .page-header-section {
                padding: 32px 0 28px;
            }
            .page-header-section h1 {
                font-size: 23px;
            }
            .stat-bar-item {
                flex-direction: column;
                text-align: center;
                gap: 6px;
                padding: 10px 4px;
            }
            .stat-bar-icon {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .stat-bar-number {
                font-size: 18px;
            }
            .community-card .card-thumb {
                aspect-ratio: 16 / 9;
            }
            .deep-text-card {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .deep-text-card .deep-title {
                font-size: 18px;
            }
            .deep-text-card p {
                font-size: 14px;
                line-height: 1.8;
            }
            .related-category-card {
                padding: 16px 12px;
            }
            .related-category-card .rc-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
                margin-bottom: 10px;
            }
        }
        .section-block-alt {
            background-color: var(--sand);
        }
        .community-row-gap {
            --bs-gutter-y: 1.5rem;
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}