/* roulang page: index */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #6A0DAD;
            --primary-dark: #4A0A7A;
            --primary-light: #8B2FC9;
            --accent: #00E5FF;
            --accent-hover: #00FFAB;
            --bg-dark: #0B0B12;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border-card: rgba(255, 255, 255, 0.10);
            --text-white: #FFFFFF;
            --text-light: #E0E0E0;
            --text-muted: #8E8E9A;
            --text-dim: #707070;
            --radius-card: 20px;
            --radius-btn: 30px;
            --radius-nav: 50px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 10px rgba(0, 255, 171, 0.05);
            --shadow-btn: 0 4px 20px rgba(0, 229, 255, 0.3);
            --shadow-nav: 0 4px 30px rgba(0, 0, 0, 0.5);
            --font-base: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

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

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

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 9999;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-nav);
            padding: 8px 30px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.08);
            width: auto;
            max-width: 95%;
            transition: all var(--transition);
        }

        .navbar-custom .navbar-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand i {
            color: var(--accent);
            font-size: 24px;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent);
        }

        .navbar-custom .nav-link {
            color: var(--text-light) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 30px;
            transition: all var(--transition);
            position: relative;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--accent) !important;
            background: rgba(0, 229, 255, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent-hover) !important;
            background: rgba(0, 255, 171, 0.12);
        }

        .navbar-custom .navbar-toggler {
            border: none;
            background: transparent;
            color: var(--text-white);
            font-size: 24px;
            padding: 4px 8px;
        }
        .navbar-custom .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }

        .navbar-custom .navbar-collapse {
            background: transparent;
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                top: 12px;
                padding: 8px 16px;
                border-radius: 30px;
                width: 95%;
            }
            .navbar-custom .navbar-collapse {
                background: rgba(10, 10, 20, 0.96);
                backdrop-filter: blur(12px);
                border-radius: 20px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .navbar-custom .nav-link {
                padding: 10px 16px !important;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-custom {
                top: 8px;
                padding: 6px 12px;
                border-radius: 24px;
            }
            .navbar-custom .navbar-brand {
                font-size: 16px;
            }
            .navbar-custom .navbar-brand i {
                font-size: 18px;
            }
        }

        /* ===== Hero 区 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 140px 0 80px;
            background: radial-gradient(ellipse at 30% 40%, #1a0a2e 0%, #0B0B12 70%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 70%;
            height: 80%;
            background: radial-gradient(circle, rgba(106, 13, 173, 0.25) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 20px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 50px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 20px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            border: none;
            background: linear-gradient(135deg, var(--accent), #00B8D4);
            color: #0B0B12;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-hero:hover {
            background: linear-gradient(135deg, var(--accent-hover), var(--accent));
            color: #0B0B12;
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 8px 40px rgba(0, 229, 255, 0.45);
            text-decoration: none;
        }
        .btn-hero:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            font-size: 18px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: var(--text-white);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-hero-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 36px;
            }
            .hero-subtitle {
                font-size: 18px;
            }
            .hero-section {
                min-height: auto;
                padding: 120px 0 60px;
            }
        }
        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .btn-hero,
            .btn-hero-outline {
                padding: 14px 28px;
                font-size: 16px;
            }
            .hero-stats-row {
                gap: 24px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
        }

        /* ===== 解决方案 / 优势卡片 ===== */
        .solutions-section {
            background: #0F0F1A;
            position: relative;
        }
        .solutions-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.2), transparent);
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(4px);
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .solution-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.2);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
        }
        .solution-card:hover::before {
            opacity: 1;
        }

        .solution-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(106, 13, 173, 0.2), rgba(0, 229, 255, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 20px;
            border: 1px solid rgba(0, 229, 255, 0.12);
        }
        .solution-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .solution-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .solution-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .solution-card .card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        .solution-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 18px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 767.98px) {
            .solution-card {
                padding: 24px 20px;
            }
            .solution-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
        }

        /* ===== 成果区 ===== */
        .results-section {
            background: #0B0B12;
            position: relative;
        }
        .results-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(106, 13, 173, 0.2), transparent);
        }

        .result-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            height: 100%;
            transition: all var(--transition);
        }
        .result-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.15);
            transform: translateY(-4px);
        }

        .result-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .result-number .num-highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .result-label {
            font-size: 16px;
            color: var(--text-muted);
            font-weight: 500;
        }

        @media (max-width: 575.98px) {
            .result-number {
                font-size: 34px;
            }
            .result-item {
                padding: 24px 16px;
            }
        }

        /* ===== 证言区 ===== */
        .testimonials-section {
            background: #0F0F1A;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .testimonial-quote {
            font-size: 28px;
            color: var(--accent);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 12px;
        }
        .testimonial-text {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 16px;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid rgba(0, 229, 255, 0.15);
            flex-shrink: 0;
        }
        .testimonial-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
        }
        .testimonial-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 767.98px) {
            .testimonial-card {
                padding: 24px 20px;
            }
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: radial-gradient(ellipse at 50% 60%, #1a0a2e 0%, #0B0B12 70%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -20%;
            width: 70%;
            height: 70%;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-text {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 44px;
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            border: none;
            background: linear-gradient(135deg, var(--accent-hover), #00CC88);
            color: #0B0B12;
            transition: all var(--transition);
            box-shadow: 0 4px 30px rgba(0, 255, 171, 0.25);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 8px 40px rgba(0, 255, 171, 0.4);
            color: #0B0B12;
            text-decoration: none;
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            font-size: 18px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: var(--text-white);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-cta-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
            transform: translateY(-2px);
            text-decoration: none;
        }

        @media (max-width: 575.98px) {
            .cta-title {
                font-size: 28px;
            }
            .cta-text {
                font-size: 16px;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 14px 28px;
                font-size: 16px;
            }
        }

        /* ===== 最新资讯 / CMS 列表 ===== */
        .news-section {
            background: #0F0F1A;
            position: relative;
        }
        .news-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(106, 13, 173, 0.15), transparent);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.15);
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
        }

        .news-card .card-img-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

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

        .news-card .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-white);
            background: var(--primary);
            padding: 3px 14px;
            border-radius: 10px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-title a {
            color: inherit;
            text-decoration: none;
        }
        .news-card .news-title a:hover {
            color: var(--accent);
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-dim);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 12px;
            margin-top: auto;
        }
        .news-card .news-meta i {
            margin-right: 4px;
            font-size: 12px;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border: 1px dashed rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--text-dim);
            margin-bottom: 16px;
            display: block;
        }

        @media (max-width: 767.98px) {
            .news-card .card-img-top {
                height: 140px;
            }
            .news-card-body {
                padding: 16px 18px 18px;
            }
            .news-card .news-title {
                font-size: 16px;
            }
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            background: #0B0B12;
        }
        .faq-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
        }
        .faq-section {
            position: relative;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(0, 229, 255, 0.15);
        }

        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-size: 17px;
            font-weight: 600;
            padding: 20px 24px;
            transition: all var(--transition);
            box-shadow: none !important;
            border-radius: 16px !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 255, 0.04);
            color: var(--accent);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFFFFF'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: transform var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E5FF'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        @media (max-width: 575.98px) {
            .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }
            .accordion-body {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0D0D1A;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand i {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
        }

        .footer-divider {
            border-color: rgba(255, 255, 255, 0.05);
            margin: 30px 0 20px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 767.98px) {
            .footer {
                padding: 40px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

        /* ===== 通用工具 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-accent-hover {
            color: var(--accent-hover);
        }
        .bg-gradient-dark {
            background: linear-gradient(180deg, #0B0B12 0%, #0F0F1A 100%);
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 0 auto 24px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0B12;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 575.98px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 16px;
                margin-bottom: 32px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-section {
                padding: 100px 0 40px;
            }
        }

        @media (min-width: 576px) and (max-width: 767.98px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
            }
        }

/* roulang page: article */
:root {
            --primary: #6A0DAD;
            --primary-dark: #4B0082;
            --accent: #00E5FF;
            --accent-hover: #00FFAB;
            --bg-dark: #0B0B12;
            --bg-card: rgba(255,255,255,0.05);
            --bg-card-hover: rgba(255,255,255,0.08);
            --border-light: rgba(255,255,255,0.1);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-weak: #707070;
            --radius-card: 20px;
            --radius-nav: 50px;
            --radius-btn: 30px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.3), 0 0 10px rgba(0,255,171,0.05);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.4), 0 0 20px rgba(0,255,171,0.1);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ─── 导航 ─── */
        .navbar-custom {
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            padding: 8px 28px;
            margin-top: 20px;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            transition: var(--transition-base);
        }
        .navbar-custom .navbar-brand {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .navbar-custom .navbar-brand i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent-hover);
        }
        .navbar-custom .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            position: relative;
        }
        .navbar-custom .navbar-nav .nav-link:hover,
        .navbar-custom .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-custom .navbar-nav .nav-link.active {
            color: var(--accent-hover);
            background: rgba(0, 255, 171, 0.12);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 4px 8px;
        }
        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }

        /* ─── 面包屑 ─── */
        .breadcrumb-area {
            padding: 24px 0 8px;
            margin-top: 10px;
        }
        .breadcrumb-custom {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 0.95rem;
        }
        .breadcrumb-custom .breadcrumb-item {
            color: var(--text-weak);
        }
        .breadcrumb-custom .breadcrumb-item a {
            color: var(--accent);
        }
        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--accent-hover);
        }
        .breadcrumb-custom .breadcrumb-item.active {
            color: var(--text-secondary);
        }
        .breadcrumb-custom .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-weak);
            content: ">";
            font-weight: 600;
        }

        /* ─── 文章主体 ─── */
        .article-wrapper {
            padding: 30px 0 60px;
        }
        .article-header {
            margin-bottom: 32px;
        }
        .article-header .article-title {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-weak);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-meta .category-badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .article-featured-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
        }
        .article-featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .cms-content {
            max-width: 780px;
            margin: 0 auto;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
            line-height: 2;
            font-size: 1.05rem;
            color: var(--text-secondary);
        }
        .cms-content h1,
        .cms-content h2,
        .cms-content h3,
        .cms-content h4 {
            color: var(--text-primary);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            font-weight: 700;
        }
        .cms-content h1 {
            font-size: 2rem;
            border-bottom: 2px solid var(--border-light);
            padding-bottom: 12px;
        }
        .cms-content h2 {
            font-size: 1.6rem;
        }
        .cms-content h3 {
            font-size: 1.3rem;
        }
        .cms-content p {
            margin-bottom: 1.2em;
        }
        .cms-content a {
            color: var(--accent);
            text-decoration: underline;
        }
        .cms-content a:hover {
            color: var(--accent-hover);
        }
        .cms-content ul,
        .cms-content ol {
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .cms-content li {
            margin-bottom: 0.5em;
        }
        .cms-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: rgba(0, 229, 255, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
        }
        .cms-content img {
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .cms-content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 0.9em;
            color: var(--accent-hover);
        }
        .cms-content pre {
            background: rgba(0, 0, 0, 0.5);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            border: 1px solid var(--border-light);
            margin: 1.5em 0;
        }
        .cms-content pre code {
            background: none;
            padding: 0;
            color: var(--text-secondary);
        }
        .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }
        .cms-content th,
        .cms-content td {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .cms-content th {
            background: rgba(106, 13, 173, 0.2);
            color: var(--text-primary);
            font-weight: 600;
        }
        .cms-content td {
            color: var(--text-secondary);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            color: var(--text-secondary);
        }
        .article-not-found i {
            font-size: 4rem;
            color: var(--text-weak);
            margin-bottom: 24px;
            display: block;
        }
        .article-not-found h3 {
            font-size: 1.6rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-not-found p {
            font-size: 1.1rem;
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            background: var(--accent);
            color: var(--bg-dark);
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
        }
        .article-not-found .btn-back:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 255, 171, 0.3);
        }

        /* ─── 相关推荐 ─── */
        .related-section {
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid var(--border-light);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 28px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--accent);
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a {
            color: inherit;
        }
        .related-card .card-title a:hover {
            color: var(--accent-hover);
        }
        .related-card .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-card .card-meta {
            font-size: 0.85rem;
            color: var(--text-weak);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .related-card .card-meta i {
            margin-right: 4px;
        }
        .related-card .card-meta .tag {
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
        }

        .related-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-weak);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border-light);
        }
        .related-empty i {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 12px;
            color: var(--text-weak);
        }

        /* ─── 底部入口 ─── */
        .article-footer-actions {
            margin-top: 40px;
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-footer-actions .btn-action {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-footer-actions .btn-action:hover {
            background: var(--accent);
            color: var(--bg-dark);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
        }
        .article-footer-actions .btn-action i {
            font-size: 1rem;
        }

        /* ─── 页脚 ─── */
        .footer {
            background: #0D0D1A;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer .footer-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand i {
            color: var(--accent);
        }
        .footer .footer-desc {
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer .footer-heading {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: var(--text-weak);
            transition: var(--transition-base);
            font-size: 0.95rem;
        }
        .footer .footer-links a:hover {
            color: var(--accent-hover);
            padding-left: 4px;
        }
        .footer .footer-contact p {
            color: var(--text-weak);
            font-size: 0.95rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-contact i {
            color: var(--accent);
            width: 20px;
        }
        .footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 50%;
            color: var(--text-weak);
            font-size: 1.2rem;
            margin-right: 10px;
            transition: var(--transition-base);
        }
        .footer .footer-social a:hover {
            background: var(--accent);
            color: var(--bg-dark);
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
        }
        .footer .footer-divider {
            border-color: var(--border-light);
            margin: 32px 0 24px;
            opacity: 0.4;
        }
        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-weak);
            font-size: 0.9rem;
        }
        .footer .footer-bottom a {
            color: var(--text-weak);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent-hover);
        }

        /* ─── 响应式 ─── */
        @media (max-width: 1199.98px) {
            .article-header .article-title {
                font-size: 2rem;
            }
            .cms-content {
                padding: 32px 28px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 10px 20px;
                margin-top: 16px;
                border-radius: 30px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.3rem;
            }
            .navbar-custom .navbar-nav .nav-link {
                padding: 10px 16px;
                text-align: center;
            }
            .navbar-custom .navbar-collapse {
                background: rgba(0, 0, 0, 0.9);
                border-radius: 20px;
                padding: 12px;
                margin-top: 12px;
                border: 1px solid var(--border-light);
            }
            .article-header .article-title {
                font-size: 1.7rem;
            }
            .cms-content {
                padding: 24px 20px;
                font-size: 1rem;
            }
            .related-card .card-title {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 767.98px) {
            .navbar-custom {
                padding: 8px 16px;
                margin-top: 12px;
                border-radius: 24px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-custom .navbar-brand i {
                font-size: 1.4rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-header .article-title {
                font-size: 1.4rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
                flex-wrap: wrap;
            }
            .cms-content {
                padding: 20px 16px;
                border-radius: 16px;
                font-size: 0.95rem;
            }
            .cms-content h1 {
                font-size: 1.5rem;
            }
            .cms-content h2 {
                font-size: 1.25rem;
            }
            .cms-content h3 {
                font-size: 1.1rem;
            }
            .related-section .section-title {
                font-size: 1.3rem;
            }
            .related-card {
                padding: 18px;
            }
            .article-footer-actions .btn-action {
                padding: 8px 20px;
                font-size: 0.9rem;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-custom {
                padding: 6px 12px;
                margin-top: 10px;
                border-radius: 20px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1rem;
                gap: 6px;
            }
            .navbar-custom .navbar-brand i {
                font-size: 1.2rem;
            }
            .article-header .article-title {
                font-size: 1.2rem;
            }
            .cms-content {
                padding: 16px 12px;
                font-size: 0.9rem;
                border-radius: 14px;
            }
            .cms-content h1 {
                font-size: 1.3rem;
            }
            .cms-content h2 {
                font-size: 1.1rem;
            }
            .breadcrumb-custom {
                font-size: 0.8rem;
            }
            .related-card .card-title {
                font-size: 0.95rem;
            }
            .related-card .card-text {
                font-size: 0.85rem;
            }
        }

        /* ─── 滚动条 ─── */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }

        /* ─── 选择 ─── */
        ::selection {
            background: var(--accent);
            color: var(--bg-dark);
        }

        /* ─── 结构化数据隐藏 ─── */
        .json-ld-hidden {
            display: none;
        }

/* roulang page: category1 */
/* ===== CSS Variables ===== */
        :root {
            --primary: #6A0DAD;
            --primary-dark: #4B0777;
            --accent: #00E5FF;
            --accent-green: #00FFAB;
            --bg-dark: #0B0B12;
            --bg-card: rgba(255, 255, 255, 0.05);
            --border-light: rgba(255, 255, 255, 0.1);
            --text-white: #FFFFFF;
            --text-muted: #B0B0B0;
            --text-gray: #8E8E9A;
            --radius-card: 20px;
            --radius-nav: 50px;
            --radius-btn: 30px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.3), 0 0 10px rgba(0, 255, 171, 0.05);
            --shadow-btn-hover: 0 0 15px rgba(0, 255, 171, 0.6);
            --transition: all 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.8;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            padding: 10px 30px;
            margin-top: 20px;
            box-shadow: 0 1px 0 var(--border-light);
            border: 1px solid var(--border-light);
        }

        .navbar-custom .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .navbar-custom .navbar-brand i {
            color: var(--accent-green);
            font-size: 1.4rem;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent-green);
        }

        .navbar-custom .navbar-nav .nav-link {
            color: var(--text-muted);
            font-size: 1rem;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 30px;
            transition: var(--transition);
        }
        .navbar-custom .navbar-nav .nav-link:hover,
        .navbar-custom .navbar-nav .nav-link:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-custom .navbar-nav .nav-link.active {
            color: var(--accent-green);
            background: rgba(0, 255, 171, 0.12);
        }

        .navbar-toggler {
            border: none;
            padding: 0;
            color: var(--text-white);
            font-size: 1.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 10px 20px;
                margin-top: 12px;
                border-radius: 30px;
            }
            .navbar-custom .navbar-nav {
                padding-top: 16px;
                gap: 4px;
            }
            .navbar-custom .navbar-nav .nav-link {
                padding: 10px 16px;
                text-align: center;
            }
        }

        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            padding: 120px 0 100px;
            background: radial-gradient(ellipse at 30% 30%, #2C0B4E, #0B0B12 70%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(106, 13, 173, 0.35) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 1.2rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .hero-category h1 span {
            color: var(--accent-green);
        }
        .hero-category .hero-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .hero-category .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 991.98px) {
            .hero-category {
                padding: 100px 0 70px;
                min-height: 400px;
            }
            .hero-category h1 {
                font-size: 2.4rem;
            }
            .hero-category .hero-sub {
                font-size: 1rem;
            }
        }
        @media (max-width: 576px) {
            .hero-category {
                padding: 80px 0 50px;
                min-height: 320px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-sub {
                font-size: 0.95rem;
            }
            .hero-category .hero-cta {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-custom-primary {
            background: var(--accent-green);
            color: #0B0B12;
            box-shadow: 0 4px 14px rgba(0, 255, 171, 0.3);
        }
        .btn-custom-primary:hover,
        .btn-custom-primary:focus {
            background: #00e69a;
            color: #0B0B12;
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid var(--border-light);
        }
        .btn-custom-outline:hover,
        .btn-custom-outline:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }
        .btn-custom-sm {
            padding: 10px 24px;
            font-size: 0.9rem;
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 991.98px) {
            .section-padding {
                padding: 56px 0;
            }
        }
        @media (max-width: 576px) {
            .section-padding {
                padding: 40px 0;
            }
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 3rem;
        }
        @media (max-width: 576px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
            backdrop-filter: blur(4px);
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 255, 171, 0.25);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 171, 0.08);
        }
        .card-custom .card-icon {
            font-size: 2.4rem;
            color: var(--accent-green);
            margin-bottom: 16px;
        }
        .card-custom h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        .card-custom p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow-card);
        }
        .card-cover:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 171, 0.2);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
        .card-cover img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .card-cover .card-body {
            padding: 20px;
        }
        .card-cover .card-body h5 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .card-cover .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card-cover .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 10px;
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(4px);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 576px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Steps / Timeline ===== */
        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            margin-bottom: 36px;
            position: relative;
        }
        .step-item:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: -18px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-green), transparent);
        }
        .step-number {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--accent-green);
            color: #0B0B12;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(0, 255, 171, 0.25);
        }
        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .step-item {
                gap: 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .step-item:not(:last-child)::before {
                left: 19px;
            }
        }

        /* ===== Testimonials ===== */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            backdrop-filter: blur(4px);
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            border-color: rgba(0, 255, 171, 0.15);
            transform: translateY(-4px);
        }
        .testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--accent-green);
            opacity: 0.5;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 16px;
        }
        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .testimonial-author img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent-green);
        }
        .testimonial-card .testimonial-author .author-name {
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
        }
        .testimonial-card .testimonial-author .author-title {
            font-size: 0.8rem;
            color: var(--text-gray);
        }

        /* ===== FAQ Accordion ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 255, 171, 0.15);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-item .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-green);
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: radial-gradient(ellipse at 50% 50%, #2C0B4E, #0B0B12 80%);
            padding: 80px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2rem;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 576px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #0D0D1A;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-light);
        }
        .footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand i {
            color: var(--accent-green);
        }
        .footer .footer-desc {
            color: var(--text-gray);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: var(--text-gray);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }
        .footer .footer-contact p {
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer .footer-contact i {
            color: var(--accent-green);
            width: 18px;
        }
        .footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-gray);
            font-size: 1.1rem;
            margin-right: 10px;
            transition: var(--transition);
        }
        .footer .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        .footer .footer-divider {
            border-color: var(--border-light);
            margin: 32px 0 24px;
            opacity: 0.6;
        }
        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-gray);
            font-size: 0.85rem;
        }
        .footer .footer-bottom a {
            color: var(--text-gray);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent-green);
        }

        @media (max-width: 767.98px) {
            .footer {
                padding: 40px 0 20px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Divider ===== */
        .divider-glow {
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 4px;
            margin: 0 auto 1rem;
            box-shadow: 0 0 12px rgba(0, 255, 171, 0.4);
        }

        /* ===== Breadcrumb (optional) ===== */
        .breadcrumb-custom {
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--text-gray);
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent-green);
        }
        .breadcrumb-custom span {
            color: var(--text-gray);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }

        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent-green);
        }
        .bg-glass {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-light);
        }