/* roulang page: index */
:root {
            --primary: #4F46E5;
            --primary-rgb: 79, 70, 229;
            --primary-dark: #4338CA;
            --primary-light: #EEF2FF;
            --secondary: #7C3AED;
            --accent: #F59E0B;
            --accent-light: #FEF3C7;
            --dark: #0B1120;
            --dark-soft: #111827;
            --text: #1E293B;
            --text-weak: #64748B;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --border: #E2E8F0;
            --radius-sm: 8px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.14);
            --spacing-section: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        .container {
            max-width: 1260px;
            width: 100%;
            padding-right: 20px;
            padding-left: 20px;
            margin-right: auto;
            margin-left: auto;
        }

        .container-xxl {
            max-width: 1400px;
            padding-right: 24px;
            padding-left: 24px;
            margin: 0 auto;
        }

        .btn {
            --bs-btn-padding-y: 0.65rem;
            --bs-btn-padding-x: 1.5rem;
            border-radius: 999px;
            font-weight: 600;
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            border: 2px solid transparent;
        }

        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
        }

        .btn-primary:hover,
        .btn-primary:focus,
        .btn-primary:active {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 12px 32px rgba(var(--primary-rgb), 0.45);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .badge-soft {
            display: inline-block;
            padding: 0.35em 0.8em;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .badge-soft-accent {
            display: inline-block;
            padding: 0.35em 0.8em;
            font-size: 0.78rem;
            font-weight: 600;
            color: #92400E;
            background: var(--accent-light);
            border-radius: 999px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 640px;
            margin-bottom: 0;
        }

        /* ==================================================================== */
        /* Navigation                                                          */
        /* ==================================================================== */
        .custom-navbar {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            padding-top: 0;
            padding-bottom: 0;
            transition: box-shadow var(--transition);
        }

        .custom-navbar .container {
            min-height: 74px;
            display: flex;
            align-items: center;
        }

        .custom-navbar .navbar-brand.nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
            padding: 0;
        }

        .custom-navbar .navbar-brand.nav-logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.35);
        }

        .custom-navbar .navbar-nav {
            gap: 4px;
        }

        .custom-navbar .nav-link {
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 999px;
            color: var(--text-weak);
            transition: all var(--transition);
        }

        .custom-navbar .nav-link:hover,
        .custom-navbar .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }

        .custom-navbar .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .navbar-toggler {
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 10px;
            border-radius: 10px;
            transition: background-color var(--transition);
        }

        .navbar-toggler:hover {
            background: var(--primary-light);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: 8px;
        }

        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 600;
            color: #059669;
            background: #ECFDF5;
            padding: 5px 13px;
            border-radius: 999px;
        }

        .live-status i {
            font-size: 0.55rem;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ==================================================================== */
        /* Hero                                                                 */
        /* ==================================================================== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--dark);
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center center;
            z-index: 0;
            opacity: 0.5;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg, rgba(11, 17, 32, 0.93) 0%, rgba(11, 17, 32, 0.68) 50%, rgba(79, 70, 229, 0.28) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: clamp(2.6rem, 6.5vw, 4.6rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.12;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        }

        .hero-sub {
            font-size: clamp(1.1rem, 2.4vw, 1.45rem);
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            margin-bottom: 14px;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 600px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 52px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stats strong {
            font-size: clamp(1.6rem, 3.4vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats span {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ==================================================================== */
        /* Section                                                              */
        /* ==================================================================== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--bg-light);
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        /* ==================================================================== */
        /* Features                                                             */
        /* ==================================================================== */
        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(var(--primary-rgb), 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* ==================================================================== */
        /* Category Cards                                                        */
        /* ==================================================================== */
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(var(--primary-rgb), 0.2);
        }

        .category-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.45s ease;
        }

        .category-card:hover .category-cover img {
            transform: scale(1.06);
        }

        .category-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0) 30%, rgba(11, 17, 32, 0.45) 100%);
        }

        .category-body {
            padding: 26px 26px 28px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .category-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .category-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--primary);
        }

        .category-link i {
            transition: transform var(--transition);
            font-size: 0.8em;
        }

        .category-link:hover i {
            transform: translateX(4px);
        }

        /* ==================================================================== */
        /* News / CMS List                                                      */
        /* ==================================================================== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 30px;
            transition: all var(--transition);
        }

        .news-item:hover {
            border-color: rgba(var(--primary-rgb), 0.2);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .news-date {
            font-size: 0.84rem;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-title {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .news-title a {
            color: var(--dark);
            display: inline-block;
        }

        .news-title a:hover {
            color: var(--primary);
        }

        .news-desc {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-link i {
            font-size: 0.78em;
            transition: transform var(--transition);
        }

        .news-link:hover i {
            transform: translateX(4px);
        }

        .news-empty {
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-white);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            color: var(--text-weak);
        }

        .news-empty i {
            font-size: 2rem;
            margin-bottom: 10px;
            opacity: 0.5;
        }

        .news-empty p {
            margin-bottom: 0;
        }

        /* ==================================================================== */
        /* Stats Section (Dark)                                                 */
        /* ==================================================================== */
        .stats-section {
            position: relative;
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 60%, #1e1b4b 100%);
            padding: 90px 0;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .stats-grid .stat-block {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
        }

        .stats-grid .stat-block:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.16);
            transform: translateY(-6px);
        }

        .stats-grid .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .stats-grid .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .stats-grid .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ==================================================================== */
        /* Process                                                              */
        /* ==================================================================== */
        .process-step {
            text-align: center;
            padding: 30px 22px;
            position: relative;
            height: 100%;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
        }

        .process-step:hover .step-num {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.35);
            transform: scale(1.05);
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        .process-step::after {
            content: "";
            position: absolute;
            top: 62px;
            right: -16px;
            width: 32px;
            height: 2px;
            background: linear-gradient(90deg, var(--border), transparent);
        }

        .process-step:last-child::after {
            display: none;
        }

        /* ==================================================================== */
        /* FAQ Accordion                                                        */
        /* ==================================================================== */
        .accordion-custom {
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--bg-white);
            transition: box-shadow var(--transition);
        }

        .accordion-custom .accordion-item:first-of-type,
        .accordion-custom .accordion-item:last-of-type {
            border-radius: var(--radius) !important;
        }

        .accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(var(--primary-rgb), 0.2);
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            background: var(--bg-white);
            border: none;
            box-shadow: none;
            gap: 12px;
            transition: all var(--transition);
        }

        .accordion-custom .accordion-button::after {
            background-size: 0.9rem;
            transition: transform var(--transition);
            filter: grayscale(1) opacity(0.5);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
            border-radius: var(--radius);
        }

        .accordion-custom .accordion-body {
            padding: 6px 24px 22px;
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.85;
        }

        /* ==================================================================== */
        /* FAQ Side Image                                                       */
        /* ==================================================================== */
        .faq-side-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            height: 100%;
            min-height: 460px;
            box-shadow: var(--shadow);
        }

        .faq-side-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .faq-side-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0) 40%, rgba(11, 17, 32, 0.7) 100%);
            border-radius: var(--radius-lg);
        }

        .faq-side-content {
            position: absolute;
            bottom: 30px;
            left: 30px;
            right: 30px;
            color: #fff;
        }

        .faq-side-content .badge-soft {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            backdrop-filter: blur(6px);
        }

        .faq-side-content strong {
            display: block;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .faq-side-content span {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* ==================================================================== */
        /* CTA                                                                  */
        /* ==================================================================== */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background-size: cover;
            background-position: center center;
            text-align: center;
            overflow: hidden;
        }

        .cta-section .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(79, 70, 229, 0.92), rgba(124, 58, 237, 0.88));
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-content p {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline-white {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ==================================================================== */
        /* Footer                                                               */
        /* ==================================================================== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-desc {
            font-size: 0.92rem;
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.92rem;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 48px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ==================================================================== */
        /* Responsive                                                           */
        /* ==================================================================== */
        @media (max-width: 1199.98px) {
            :root {
                --spacing-section: 80px;
            }

            .hero {
                min-height: 84vh;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --spacing-section: 64px;
            }

            .hero {
                min-height: auto;
                padding: 120px 0 80px;
            }

            .hero-stats {
                gap: 28px;
            }

            .custom-navbar .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius);
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                margin-top: 10px;
                border: 1px solid var(--border);
            }

            .custom-navbar .navbar-nav {
                gap: 2px;
                margin-bottom: 14px;
            }

            .nav-actions {
                margin-left: 0;
                justify-content: space-between;
                padding-top: 12px;
                border-top: 1px solid var(--border);
                width: 100%;
            }

            .nav-actions .btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.9rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stats-grid .stat-num {
                font-size: 2rem;
            }

            .faq-side-image {
                min-height: 300px;
                margin-bottom: 24px;
            }

            .process-step::after {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing-section: 48px;
            }

            .hero {
                padding: 96px 0 64px;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                gap: 20px;
                width: 100%;
                justify-content: space-between;
            }

            .hero-stats strong {
                font-size: 1.4rem;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .news-item {
                padding: 20px;
            }

            .news-title {
                font-size: 1.05rem;
            }

            .accordion-custom .accordion-button {
                padding: 16px 18px;
                font-size: 0.95rem;
            }

            .accordion-custom .accordion-body {
                padding: 4px 18px 16px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                gap: 12px;
                flex-direction: column;
            }

            .hero-stats .stat-item {
                flex-direction: row;
                align-items: baseline;
                gap: 10px;
            }

            .hero-stats span {
                margin-top: 0;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stats-grid .stat-block {
                padding: 20px 12px;
            }

            .stats-grid .stat-num {
                font-size: 1.6rem;
            }

            .category-cover {
                height: 160px;
            }

            .category-body {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #6366f1;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --success: #10b981;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --dark-3: #334155;
            --light: #f8fafc;
            --body-bg: #ffffff;
            --text: #475569;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-xs: 0 1px 3px rgba(15,23,42,.05);
            --shadow-sm: 0 3px 12px rgba(15,23,42,.06);
            --shadow-md: 0 8px 30px rgba(15,23,42,.08);
            --shadow-lg: 0 18px 50px rgba(15,23,42,.12);
            --shadow-primary: 0 8px 24px rgba(79,70,229,.28);
            --transition: all .3s cubic-bezier(.4,0,.2,1);
            --font-sans: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,'Noto Sans SC',sans-serif;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--body-bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; }

        /* 导航 */
        .custom-navbar {
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,232,240,.7);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1080;
            box-shadow: 0 2px 20px rgba(15,23,42,.06);
            transition: var(--transition);
        }
        .custom-navbar.scrolled {
            box-shadow: 0 4px 28px rgba(15,23,42,.1);
            padding: 8px 0;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .nav-logo:hover { color: var(--primary); }
        .logo-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%);
            border-radius: 13px;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 6px 18px rgba(79,70,229,.35);
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--dark-3);
            padding: 10px 18px !important;
            border-radius: 10px;
            margin: 0 3px;
            font-size: .95rem;
            position: relative;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover { color: var(--primary); background: rgba(79,70,229,.06); }
        .navbar-nav .nav-link.active { color: var(--primary); background: rgba(79,70,229,.1); }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-actions { display: flex; align-items: center; gap: 14px; }
        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(16,185,129,.1);
            color: #059669;
            font-size: .82rem;
            font-weight: 700;
            padding: 7px 14px;
            border-radius: 100px;
            border: 1px solid rgba(16,185,129,.22);
            white-space: nowrap;
        }
        .live-status i { font-size: .55rem; color: #10b981; animation: pulse 1.8s infinite; }
        @keyframes pulse {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: .5; transform: scale(.85); }
        }
        .navbar-toggler {
            border: none;
            padding: 8px 12px;
            font-size: 1.25rem;
            color: var(--dark);
            border-radius: 10px;
        }
        .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(79,70,229,.2); }

        /* 按钮 */
        .btn {
            border-radius: 11px;
            font-weight: 700;
            padding: 10px 24px;
            transition: var(--transition);
            border: 2px solid transparent;
            font-size: .95rem;
        }
        .btn-primary {
            background: linear-gradient(135deg,var(--primary),var(--primary-dark));
            border-color: var(--primary);
            box-shadow: var(--shadow-primary);
            color: #fff;
        }
        .btn-primary:hover, .btn-primary:focus {
            background: linear-gradient(135deg,var(--primary-dark),#3730a3);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(79,70,229,.35);
            color: #fff;
        }
        .btn-outline-primary {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary);
        }
        .btn-lg { padding: 14px 36px; font-size: 1.05rem; }
        .btn-sm { padding: 8px 18px; font-size: .85rem; }
        .btn-accent {
            background: linear-gradient(135deg,var(--accent),#ea580c);
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(245,158,11,.3);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245,158,11,.4);
            color: #fff;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(79,70,229,.25);
        }

        /* 页面 Banner */
        .page-banner {
            position: relative;
            padding: 72px 0 96px;
            background-image: linear-gradient(135deg,rgba(15,23,42,.94) 0%,rgba(79,70,229,.88) 55%,rgba(124,58,237,.82) 100%),url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%,rgba(255,255,255,.1) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(245,158,11,.15) 0%,transparent 45%);
        }
        .page-banner .container { position: relative; z-index: 2; }
        .breadcrumb-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.2);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: .8rem;
            color: rgba(255,255,255,.7);
            margin-bottom: 26px;
            backdrop-filter: blur(8px);
        }
        .breadcrumb-custom a { color: rgba(255,255,255,.8); }
        .breadcrumb-custom a:hover { color: #fff; }
        .breadcrumb-custom .sep { opacity: .5; margin: 0 2px; }
        .banner-title {
            font-size: clamp(1.6rem,3.5vw,2.6rem);
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 10px;
            color: #fff;
        }
        .banner-subtitle { font-size: 1rem; color: rgba(255,255,255,.75); max-width: 600px; margin: 0 auto; }

        /* 文章主体 */
        .article-section { padding: 56px 0 70px; background: #f1f5f9; }
        .article-wrapper { margin-top: -56px; position: relative; z-index: 3; }
        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: clamp(28px,4vw,48px);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            position: relative;
        }
        .article-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg,var(--primary),#7c3aed,var(--accent));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .article-category-badge {
            display: inline-block;
            background: linear-gradient(135deg,var(--primary),#7c3aed);
            color: #fff;
            font-size: .78rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
            letter-spacing: .5px;
            box-shadow: 0 4px 12px rgba(79,70,229,.3);
        }
        .article-main h1 {
            font-size: clamp(1.4rem,3vw,2.1rem);
            font-weight: 800;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
            color: var(--text-light);
            font-size: .88rem;
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 7px; }
        .article-meta i { color: var(--primary); }
        .article-body { font-size: 1rem; line-height: 1.9; color: var(--text); }
        .article-body p { margin-bottom: 1.4rem; }
        .article-body h2 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--dark);
            margin: 1.8rem 0 1rem;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
        }
        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark-2);
            margin: 1.5rem 0 .8rem;
        }
        .article-body ul, .article-body ol { margin-bottom: 1.4rem; padding-left: 1.5rem; }
        .article-body li { margin-bottom: .6rem; }
        .article-body a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #fffbeb;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--dark-3);
            margin: 1.6rem 0;
        }
        .article-body img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); margin: 1.2rem 0; }
        .article-body table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; }
        .article-body table th, .article-body table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
        .article-body table th { background: var(--light); font-weight: 700; color: var(--dark); }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
            margin-top: 30px;
        }
        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 6px 14px;
            font-size: .78rem;
            color: var(--text);
            font-weight: 600;
        }
        .article-tag i { color: var(--accent); }

        /* 未找到 */
        .article-not-found {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 80px 40px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .not-found-icon {
            width: 84px;
            height: 84px;
            margin: 0 auto 24px;
            background: linear-gradient(135deg,#f1f5f9,#e2e8f0);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--text-light);
        }
        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .article-not-found p { color: var(--text-light); margin-bottom: 24px; }

        /* 侧边栏 */
        .article-sidebar .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 26px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 22px;
        }
        .sidebar-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--light);
            display: flex;
            align-items: center;
            gap: 9px;
        }
        .sidebar-title i { color: var(--primary); }
        .sidebar-links { list-style: none; padding: 0; margin: 0; }
        .sidebar-links li { margin-bottom: 6px; }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 9px;
            color: var(--text);
            font-weight: 600;
            font-size: .9rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-links a i { color: var(--primary); font-size: .7rem; transition: var(--transition); }
        .sidebar-links a:hover {
            background: var(--light);
            color: var(--primary);
            border-color: var(--border);
            transform: translateX(3px);
        }
        .sidebar-feature p { font-size: .88rem; color: var(--text-light); line-height: 1.75; margin-bottom: 16px; }
        .sidebar-feature .btn { font-size: .85rem; }

        /* 推荐区块 */
        .recommend-section { padding: 0 0 70px; background: #f1f5f9; }
        .section-head { margin-bottom: 36px; }
        .section-head .subtitle {
            display: inline-block;
            background: rgba(79,70,229,.1);
            color: var(--primary);
            font-size: .78rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .section-head h2 { font-size: clamp(1.3rem,2.5vw,1.8rem); font-weight: 800; color: var(--dark); margin-bottom: 6px; }
        .section-head p { color: var(--text-light); font-size: .95rem; }
        .category-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .category-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg,var(--primary),#7c3aed);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .category-card:hover::after { transform: scaleX(1); }
        .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg,rgba(79,70,229,.1),rgba(124,58,237,.1));
            color: var(--primary);
        }
        .category-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
        .category-card p { font-size: .86rem; color: var(--text-light); margin-bottom: 0; }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 70px 0;
            background-image: linear-gradient(135deg,rgba(79,70,229,.95) 0%,rgba(124,58,237,.92) 100%),url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 { font-size: clamp(1.5rem,3vw,2.1rem); font-weight: 800; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 28px; font-size: .96rem; }
        .cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
        .cta-section .btn-light {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0,0,0,.2);
        }
        .cta-section .btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0,0,0,.3); }
        .cta-section .btn-outline-light {
            border: 2px solid rgba(255,255,255,.6);
            color: #fff;
        }
        .cta-section .btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }

        /* Footer */
        .site-footer {
            background: #0b1526;
            color: #94a3b8;
            padding: 70px 0 0;
            font-size: .88rem;
        }
        .site-footer .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand:hover { color: var(--accent); }
        .footer-desc { max-width: 340px; line-height: 1.75; font-size: .87rem; margin-bottom: 14px; }
        .site-footer .live-status { display: inline-flex; }
        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .5px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 26px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-links, .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: #94a3b8; display: inline-flex; align-items: flex-start; gap: 7px; transition: var(--transition); font-size: .87rem; }
        .footer-links a i { font-size: .68rem; margin-top: 5px; color: var(--primary); }
        .footer-links a:hover { color: #fff; transform: translateX(3px); }
        .footer-contact li { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; font-size: .87rem; }
        .footer-contact i { color: var(--primary); width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(148,163,184,.12);
            margin-top: 50px;
            padding: 20px 0;
            font-size: .82rem;
            color: #64748b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .custom-navbar .container { flex-wrap: wrap; }
            .navbar-collapse {
                padding-top: 16px;
                background: #fff;
                border-radius: 14px;
                padding: 16px;
                box-shadow: var(--shadow-md);
                margin-top: 10px;
                border: 1px solid var(--border);
            }
            .navbar-nav { margin: 0 0 14px !important; }
            .navbar-nav .nav-link { padding: 10px 14px !important; }
            .nav-actions { display: flex; flex-direction: row; justify-content: space-between; width: 100%; gap: 10px; flex-wrap: wrap; }
            .page-banner { padding: 60px 0 80px; }
            .article-wrapper { margin-top: -44px; }
        }
        @media (max-width: 767.98px) {
            .page-banner { padding: 48px 0 70px; }
            .article-section { padding: 44px 0 54px; }
            .article-main { padding: 24px 20px; }
            .article-body { font-size: .95rem; }
            .article-meta { gap: 12px; }
            .cta-section { padding: 54px 0; }
            .site-footer { padding-top: 56px; }
            .footer-bottom .container { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .nav-logo { font-size: 1.05rem; }
            .logo-icon { width: 36px; height: 36px; font-size: .95rem; border-radius: 10px; }
            .banner-title { font-size: 1.3rem; }
            .article-main h1 { font-size: 1.25rem; }
            .article-body h2 { font-size: 1.15rem; }
            .article-category-badge { font-size: .72rem; padding: 5px 12px; }
            .article-tags { gap: 6px; }
            .article-tag { font-size: .72rem; padding: 5px 10px; }
            .sidebar-card { padding: 20px 16px; }
            .category-card { padding: 22px 18px; }
        }

/* roulang page: category1 */
:root {
    --primary: #6c5ce7;
    --primary-rgb: 108, 92, 231;
    --primary-dark: #5549b8;
    --accent: #f7b955;
    --accent-dark: #d99e2b;
    --dark: #1e1e2d;
    --dark-2: #252538;
    --body-bg: #f7f8fc;
    --white: #ffffff;
    --text: #2f2f41;
    --text-light: #6b6b80;
    --border: #e4e6ef;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, .06);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, .10);
    --transition: all .25s ease;
    --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--body-bg);
    color: var(--text);
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { margin: 0; padding: 0; }

/* 导航栏 */
.custom-navbar {
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    box-shadow: 0 2px 10px rgba(30, 30, 45, .04);
}
.nav-logo {
    font-size: 1.28rem;
    font-weight: 800;
    color: var(--text) !important;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: .3px;
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #8a5cf6);
    color: #fff;
    font-size: 1rem;
    flex-shrink: 0;
}
.custom-navbar .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}
.custom-navbar .nav-link:hover,
.custom-navbar .nav-link:focus {
    color: var(--primary);
    background: rgba(var(--primary-rgb), .08);
}
.custom-navbar .nav-link.active {
    color: var(--primary);
    font-weight: 600;
    background: rgba(var(--primary-rgb), .10);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.live-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .88rem;
    font-weight: 600;
    color: #16a34a;
    background: rgba(22, 163, 74, .10);
    border: 1px solid rgba(22, 163, 74, .16);
    padding: 6px 14px;
    border-radius: 999px;
    white-space: nowrap;
}
.live-status i {
    font-size: .5rem;
    animation: pulse-dot 1.6s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}
.custom-navbar .navbar-toggler {
    border: none;
    color: var(--text);
    font-size: 1.35rem;
    padding: 4px 10px;
}
.custom-navbar .navbar-toggler:focus {
    box-shadow: none;
}

/* 按钮 */
.btn {
    border-radius: 10px;
    padding: 10px 24px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), .30);
}
.btn-sm {
    padding: 8px 18px;
    font-size: .9rem;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    transform: translateY(-2px);
}

/* 页面横幅 */
.page-banner {
    position: relative;
    padding: 100px 0 96px;
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}
.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(125deg, rgba(30, 30, 45, .88), rgba(58, 45, 105, .76));
}
.banner-content {
    position: relative;
    z-index: 2;
    max-width: 840px;
    margin: 0 auto;
}
.banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .24);
    padding: 8px 20px;
    border-radius: 999px;
    font-size: .86rem;
    font-weight: 600;
    letter-spacing: .3px;
}
.banner-content h1 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    margin: 18px 0 14px;
    line-height: 1.2;
    color: #fff;
}
.banner-content p {
    font-size: 1.06rem;
    color: rgba(255, 255, 255, .84);
    max-width: 660px;
    margin: 0 auto 24px;
}
.banner-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 8px;
}
.banner-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .88rem;
    color: rgba(255, 255, 255, .92);
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 999px;
    padding: 6px 16px;
}

/* 通用板块 */
.section {
    padding: 88px 0;
}
.section-head {
    max-width: 700px;
    margin: 0 auto 52px;
    text-align: center;
}
.section-tag {
    display: inline-block;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--primary);
    background: rgba(var(--primary-rgb), .10);
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.3;
}
.section-head p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

/* 平台介绍 */
.about-section {
    background: #fff;
}
.about-img-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    aspect-ratio: 4 / 3;
}
.about-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-content .section-tag {
    margin-bottom: 12px;
}
.about-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.3;
    color: var(--text);
}
.about-content p {
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 16px;
}
.about-list {
    list-style: none;
    padding: 0;
    margin: 22px 0 0;
}
.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    color: var(--text);
    font-weight: 500;
}
.about-list li i {
    color: var(--primary);
    margin-top: 5px;
}

/* 核心功能 */
.features-section {
    position: relative;
    background-color: var(--dark);
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 88px 0;
}
.section-overlay {
    position: absolute;
    inset: 0;
    background: rgba(22, 22, 34, .85);
}
.features-section .container {
    position: relative;
    z-index: 2;
}
.features-section .section-tag {
    color: var(--accent);
    background: rgba(247, 185, 85, .14);
}
.features-section .section-head h2 {
    color: #fff;
}
.features-section .section-head p {
    color: rgba(255, 255, 255, .78);
}
.feature-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: var(--radius);
    padding: 28px 24px;
    height: 100%;
    transition: var(--transition);
}
.feature-card:hover,
.feature-card:focus-within {
    background: rgba(255, 255, 255, .10);
    border-color: rgba(255, 255, 255, .2);
    transform: translateY(-4px);
}
.feature-card .feature-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.2rem;
    color: var(--accent);
    background: rgba(247, 185, 85, .14);
    margin-bottom: 16px;
}
.feature-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}
.feature-card p {
    color: rgba(255, 255, 255, .70);
    font-size: .9rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 热门指南 */
.articles-section {
    background: var(--body-bg);
}
.article-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    height: 100%;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: rgba(var(--primary-rgb), .24);
}
.article-card .article-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}
.article-card .article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}
.article-card:hover .article-img img {
    transform: scale(1.05);
}
.article-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.article-tag {
    align-self: flex-start;
    font-size: .78rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(var(--primary-rgb), .10);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}
.article-body h3 {
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    color: var(--text);
    transition: var(--transition);
}
.article-card:hover .article-body h3 {
    color: var(--primary);
}
.article-body p {
    color: var(--text-light);
    font-size: .9rem;
    line-height: 1.75;
    margin-bottom: 16px;
    flex-grow: 1;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: .82rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: 14px;
    margin-top: auto;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* 入门步骤 */
.steps-section {
    background: #fff;
}
.step-item {
    text-align: center;
    padding: 26px 18px;
    border-radius: var(--radius);
    background: var(--body-bg);
    border: 1px solid var(--border);
    height: 100%;
    position: relative;
    transition: var(--transition);
}
.step-item:hover {
    background: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(var(--primary-rgb), .2);
}
.step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #8a5cf6);
    color: #fff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 6px 18px rgba(var(--primary-rgb), .28);
}
.step-item .step-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 8px;
}
.step-item h3 {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.step-item p {
    font-size: .86rem;
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.7;
}

/* FAQ */
.faq-section {
    background: var(--body-bg);
}
.custom-accordion {
    max-width: 860px;
    margin: 0 auto;
}
.custom-accordion .accordion-item {
    border: 1px solid var(--border);
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 14px;
    background: #fff;
    box-shadow: var(--shadow);
}
.custom-accordion .accordion-button {
    background: #fff;
    color: var(--text);
    font-weight: 600;
    padding: 18px 22px;
    font-size: .98rem;
    transition: var(--transition);
}
.custom-accordion .accordion-button:not(.collapsed) {
    background: rgba(var(--primary-rgb), .05);
    color: var(--primary);
    box-shadow: none;
}
.custom-accordion .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .12);
    border-color: transparent;
}
.custom-accordion .accordion-button::after {
    background-size: 16px;
}
.custom-accordion .accordion-body {
    padding: 4px 22px 20px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: .92rem;
}

/* CTA */
.cta-section {
    position: relative;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    color: #fff;
    text-align: center;
}
.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(36, 30, 66, .72);
}
.cta-inner {
    position: relative;
    z-index: 2;
    max-width: 680px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 14px;
    color: #fff;
}
.cta-inner p {
    font-size: 1rem;
    color: rgba(255, 255, 255, .85);
    margin-bottom: 26px;
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .75);
    padding: 70px 0 0;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    transition: var(--transition);
}
.footer-brand:hover {
    color: var(--accent);
}
.footer-desc {
    color: rgba(255, 255, 255, .62);
    font-size: .92rem;
    line-height: 1.8;
    margin-bottom: 16px;
}
.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, .7);
    font-size: .9rem;
    transition: var(--transition);
}
.footer-links a i {
    font-size: .7rem;
    margin-right: 4px;
    color: var(--accent);
    transition: var(--transition);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: .9rem;
    color: rgba(255, 255, 255, .68);
}
.footer-contact li i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
}
.footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    font-size: .84rem;
    color: rgba(255, 255, 255, .5);
}

/* 响应式 */
@media (max-width: 1024px) {
    .section { padding: 72px 0; }
    .page-banner { padding: 80px 0; }
    .features-section { padding: 72px 0; }
    .cta-section { padding: 72px 0; }
}
@media (max-width: 991.98px) {
    .nav-actions {
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        width: 100%;
        flex-wrap: wrap;
    }
    .custom-navbar .nav-link {
        padding: 10px 8px;
    }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-head { margin-bottom: 40px; }
    .banner-meta { gap: 10px; }
    .about-content { margin-top: 28px; }
    .about-content h2 { font-size: 1.5rem; }
    .footer-bottom .container { flex-direction: column; justify-content: center; text-align: center; }
    .cta-section { padding: 60px 0; }
}
@media (max-width: 520px) {
    .custom-navbar { padding: 10px 0; }
    .nav-logo { font-size: 1.1rem; }
    .page-banner { padding: 60px 0; }
    .banner-content h1 { font-size: 1.7rem; }
    .banner-content p { font-size: .95rem; }
    .article-body { padding: 18px; }
    .step-item { padding: 20px 14px; }
    .cta-section { padding: 56px 0; }
    .footer-contact li { font-size: .84rem; }
}

/* roulang page: category2 */
:root {
        --primary: #4f46e5;
        --primary-dark: #3730a3;
        --primary-light: #eef2ff;
        --secondary: #06b6d4;
        --accent: #f59e0b;
        --bg: #f8fafc;
        --bg-soft: #f1f5f9;
        --card-bg: #ffffff;
        --text: #1e293b;
        --text-muted: #64748b;
        --border: #e2e8f0;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-lg: 24px;
        --shadow: 0 4px 24px rgba(30, 41, 59, .06);
        --shadow-hover: 0 12px 32px rgba(30, 41, 59, .12);
        --transition: .3s ease;
        --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; transition: color var(--transition); }
    ul, ol { list-style: none; }
    .container { max-width: 1200px; }

    /* ===== 按钮 ===== */
    .btn { border-radius: 50px; font-weight: 600; padding: 10px 26px; transition: all var(--transition); }
    .btn-primary {
        background: var(--primary);
        border: none;
        color: #fff;
        box-shadow: 0 4px 14px rgba(79, 70, 229, .3);
    }
    .btn-primary:hover, .btn-primary:focus {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(79, 70, 229, .4);
    }
    .btn-outline-light { border: 2px solid rgba(255, 255, 255, .7); color: #fff; background: transparent; }
    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .15);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }
    .btn-light-custom {
        background: #fff;
        color: var(--primary);
        border: none;
        font-weight: 700;
        box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
    }
    .btn-light-custom:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
        color: var(--primary-dark);
    }

    /* ===== 导航 ===== */
    .custom-navbar {
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 1px 0 var(--border);
        padding: 16px 0;
        position: sticky;
        top: 0;
        z-index: 1050;
    }
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.35rem;
        color: var(--text);
        letter-spacing: .5px;
    }
    .nav-logo:hover { color: var(--primary); }
    .logo-icon {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.1rem;
        box-shadow: 0 4px 12px rgba(79, 70, 229, .3);
        flex-shrink: 0;
    }
    .navbar-nav { gap: 6px; }
    .nav-link {
        font-weight: 600;
        color: var(--text-muted);
        padding: 8px 18px;
        border-radius: 30px;
        transition: all var(--transition);
        font-size: .95rem;
    }
    .nav-link:hover { color: var(--primary); background: var(--primary-light); }
    .nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 700; }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .live-status {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: .82rem;
        font-weight: 600;
        color: #16a34a;
        background: #f0fdf4;
        border: 1px solid #bbf7d0;
        padding: 6px 14px;
        border-radius: 30px;
        white-space: nowrap;
    }
    .live-status i { font-size: .6rem; color: #22c55e; animation: pulse 1.6s infinite; }
    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: .4; }
    }
    .navbar-toggler { border: none; font-size: 1.3rem; color: var(--text); padding: 6px 10px; box-shadow: none !important; }
    .navbar-toggler:focus { outline: none; box-shadow: none; }

    /* ===== 页面 Hero ===== */
    .page-hero {
        position: relative;
        background: linear-gradient(135deg, rgba(30, 27, 75, .92) 0%, rgba(49, 46, 129, .85) 50%, rgba(6, 182, 212, .75) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        padding: 90px 0 80px;
        color: #fff;
        text-align: center;
        overflow: hidden;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        top: -60%;
        right: -20%;
        width: 520px;
        height: 520px;
        background: radial-gradient(circle, rgba(255, 255, 255, .12) 0%, transparent 65%);
        pointer-events: none;
    }
    .page-hero .breadcrumb-wrap {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .12);
        backdrop-filter: blur(8px);
        padding: 8px 18px;
        border-radius: 40px;
        font-size: .85rem;
        margin-bottom: 26px;
        border: 1px solid rgba(255, 255, 255, .2);
    }
    .page-hero .breadcrumb-wrap a { color: rgba(255, 255, 255, .8); }
    .page-hero .breadcrumb-wrap a:hover { color: #fff; }
    .page-hero .breadcrumb-wrap i { font-size: .6rem; color: rgba(255, 255, 255, .6); }
    .hero-title {
        font-size: 2.8rem;
        font-weight: 800;
        letter-spacing: 2px;
        line-height: 1.3;
        margin-bottom: 16px;
    }
    .hero-title span {
        background: linear-gradient(90deg, #7dd3fc, #f0f9ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-subtitle {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, .85);
        max-width: 640px;
        margin: 0 auto 32px;
        line-height: 1.8;
    }
    .hero-tags {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .hero-tags .hero-tag {
        background: rgba(255, 255, 255, .14);
        border: 1px solid rgba(255, 255, 255, .25);
        border-radius: 30px;
        padding: 6px 16px;
        font-size: .85rem;
        backdrop-filter: blur(6px);
    }

    /* ===== 通用板块 ===== */
    .section { padding: 80px 0; }
    .section-alt { background: var(--card-bg); }
    .section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
    .section-tag {
        display: inline-block;
        background: var(--primary-light);
        color: var(--primary);
        font-size: .82rem;
        font-weight: 700;
        padding: 6px 18px;
        border-radius: 30px;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }
    .section-title { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 12px; line-height: 1.3; }
    .section-subtitle { color: var(--text-muted); font-size: .98rem; line-height: 1.8; }

    /* ===== 热门攻略卡片 ===== */
    .guide-card {
        background: var(--card-bg);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        overflow: hidden;
        transition: all var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .guide-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(79, 70, 229, .2);
    }
    .guide-thumb { position: relative; overflow: hidden; aspect-ratio: 16/10; }
    .guide-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .guide-card:hover .guide-thumb img { transform: scale(1.06); }
    .guide-thumb .guide-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(79, 70, 229, .92);
        color: #fff;
        font-size: .75rem;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 30px;
        backdrop-filter: blur(4px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
        z-index: 2;
    }
    .guide-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
    .guide-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text); line-height: 1.5; }
    .guide-body p { color: var(--text-muted); font-size: .88rem; line-height: 1.7; flex: 1; }
    .guide-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 18px;
        padding-top: 16px;
        border-top: 1px solid var(--border);
        font-size: .8rem;
        color: var(--text-muted);
    }
    .guide-meta i { color: var(--secondary); margin-right: 4px; }
    .guide-meta .read-more {
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }
    .guide-meta .read-more:hover { gap: 8px; }

    /* ===== 攻略分类卡片 ===== */
    .cat-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 28px 22px;
        text-align: center;
        transition: all var(--transition);
        height: 100%;
        position: relative;
        overflow: hidden;
    }
    .cat-card::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        border-radius: 4px;
        transition: width var(--transition);
    }
    .cat-card:hover::after { width: 70%; }
    .cat-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(79, 70, 229, .25);
    }
    .cat-icon {
        width: 64px;
        height: 64px;
        border-radius: 18px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        color: #fff;
        margin-bottom: 18px;
        box-shadow: 0 6px 16px rgba(0, 0, 0, .12);
    }
    .cat-icon.c1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
    .cat-icon.c2 { background: linear-gradient(135deg, #06b6d4, #3b82f6); }
    .cat-icon.c3 { background: linear-gradient(135deg, #f59e0b, #f97316); }
    .cat-icon.c4 { background: linear-gradient(135deg, #ef4444, #f97316); }
    .cat-icon.c5 { background: linear-gradient(135deg, #10b981, #22d3ee); }
    .cat-icon.c6 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
    .cat-icon.c7 { background: linear-gradient(135deg, #f43f5e, #fb923c); }
    .cat-icon.c8 { background: linear-gradient(135deg, #334155, #64748b); }
    .cat-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
    .cat-card p { font-size: .8rem; color: var(--text-muted); line-height: 1.6; }

    /* ===== 精选深度图文 ===== */
    .featured-box {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        overflow: hidden;
    }
    .featured-img { position: relative; height: 100%; min-height: 360px; }
    .featured-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .featured-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, .55) 100%);
    }
    .featured-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        z-index: 2;
        background: rgba(255, 255, 255, .92);
        color: var(--primary);
        font-size: .78rem;
        font-weight: 700;
        padding: 6px 16px;
        border-radius: 30px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
    }
    .featured-content { padding: 44px 40px; }
    .featured-content h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; line-height: 1.4; }
    .featured-content p { color: var(--text-muted); font-size: .92rem; line-height: 1.8; margin-bottom: 16px; }
    .featured-list { margin: 18px 0 26px; }
    .featured-list li {
        display: flex;
        gap: 12px;
        margin-bottom: 10px;
        color: var(--text);
        font-size: .92rem;
    }
    .featured-list li i { color: var(--secondary); font-size: .9rem; margin-top: 4px; flex-shrink: 0; }

    /* ===== 步骤流程 ===== */
    .howto-section { background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%); color: #fff; }
    .howto-section .section-title { color: #fff; }
    .howto-section .section-subtitle { color: rgba(255, 255, 255, .7); }
    .step-card {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: var(--radius);
        padding: 32px 28px;
        height: 100%;
        transition: all var(--transition);
        backdrop-filter: blur(6px);
        position: relative;
    }
    .step-card:hover {
        background: rgba(255, 255, 255, .1);
        transform: translateY(-4px);
    }
    .step-num {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        font-weight: 800;
        color: #fff;
        box-shadow: 0 6px 16px rgba(79, 70, 229, .4);
        margin-bottom: 20px;
    }
    .step-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
    .step-card p { color: rgba(255, 255, 255, .7); font-size: .88rem; line-height: 1.7; }

    /* ===== 数据统计 ===== */
    .stats-section { background: var(--card-bg); border-bottom: 1px solid var(--border); }
    .stat-item { text-align: center; padding: 12px; }
    .stat-num {
        font-size: 2.6rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
        margin-bottom: 6px;
        font-family: var(--font);
    }
    .stat-num span { font-size: 1.4rem; font-weight: 700; margin-left: 2px; }
    .stat-label { color: var(--text-muted); font-size: .9rem; font-weight: 500; }

    /* ===== FAQ ===== */
    .faq-section { background: var(--bg-soft); }
    .accordion-item {
        border: 1px solid var(--border) !important;
        border-radius: var(--radius) !important;
        margin-bottom: 14px;
        background: var(--card-bg);
        box-shadow: 0 2px 10px rgba(0, 0, 0, .02);
        overflow: hidden;
    }
    .accordion-button {
        background: var(--card-bg) !important;
        color: var(--text) !important;
        font-weight: 700;
        font-size: .98rem;
        padding: 20px 24px;
        box-shadow: none !important;
        border: none !important;
    }
    .accordion-button::after {
        background-image: none;
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: var(--primary);
        font-size: .85rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: transform var(--transition);
    }
    .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
    .accordion-button:not(.collapsed) { color: var(--primary) !important; }
    .accordion-body {
        color: var(--text-muted);
        font-size: .9rem;
        line-height: 1.8;
        padding: 0 24px 22px;
        border-top: 1px solid var(--border);
        padding-top: 16px;
    }

    /* ===== CTA ===== */
    .cta-card {
        background: linear-gradient(135deg, #4f46e5 0%, #3730a3 50%, #06b6d4 100%);
        border-radius: var(--radius-lg);
        padding: 56px 48px;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
        box-shadow: 0 16px 40px rgba(79, 70, 229, .3);
    }
    .cta-card::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -40px;
        width: 350px;
        height: 350px;
        background: radial-gradient(circle, rgba(255, 255, 255, .15) 0%, transparent 65%);
        border-radius: 50%;
    }
    .cta-card h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; }
    .cta-card p { color: rgba(255, 255, 255, .85); font-size: 1rem; max-width: 520px; margin: 0 auto 28px; }
    .cta-card .cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #0f172a;
        color: rgba(255, 255, 255, .75);
        padding: 70px 0 0;
        margin-top: 0;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.3rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 18px;
    }
    .footer-brand:hover { color: #fff; }
    .footer-desc { font-size: .88rem; line-height: 1.8; color: rgba(255, 255, 255, .6); margin-bottom: 20px; max-width: 340px; }
    .footer-title {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 12px;
    }
    .footer-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a {
        color: rgba(255, 255, 255, .65);
        font-size: .88rem;
        transition: all var(--transition);
        display: inline-flex;
        align-items: center;
    }
    .footer-links a i { font-size: .7rem; color: var(--secondary); margin-right: 6px; }
    .footer-links a:hover { color: #fff; transform: translateX(4px); }
    .footer-contact li {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
        font-size: .88rem;
        color: rgba(255, 255, 255, .65);
    }
    .footer-contact i { color: var(--secondary); width: 18px; text-align: center; }
    .footer-bottom {
        margin-top: 50px;
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding: 22px 0;
        text-align: center;
        font-size: .82rem;
        color: rgba(255, 255, 255, .5);
    }
    .footer-bottom .container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }
    .footer-divider { opacity: .4; margin: 0 4px; }

    /* ===== 响应式 ===== */
    @media (max-width: 991.98px) {
        .navbar-nav { padding: 14px 0; }
        .nav-actions { padding: 8px 0 4px; flex-wrap: wrap; }
        .page-hero { padding: 70px 0; }
        .hero-title { font-size: 2.1rem; }
        .guide-body { padding: 20px; }
        .featured-content { padding: 32px 24px; }
    }
    @media (max-width: 767.98px) {
        .section { padding: 60px 0; }
        .page-hero { padding: 56px 0; }
        .hero-title { font-size: 1.7rem; }
        .hero-subtitle { font-size: .95rem; }
        .section-title { font-size: 1.6rem; }
        .stat-num { font-size: 2rem; }
        .featured-img { min-height: 240px; }
        .featured-img img { position: relative; }
        .cta-card { padding: 40px 24px; }
        .cta-card h2 { font-size: 1.4rem; }
    }
    @media (max-width: 575.98px) {
        .page-hero .breadcrumb-wrap { font-size: .78rem; padding: 6px 14px; }
        .hero-title { font-size: 1.45rem; letter-spacing: 1px; }
        .hero-subtitle { font-size: .88rem; }
        .guide-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
        .featured-content h3 { font-size: 1.2rem; }
        .footer-bottom .container { flex-direction: column; gap: 4px; }
        .footer-divider { display: none; }
    }
    @media (max-width: 399px) {
        .nav-logo { font-size: 1.1rem; }
        .logo-icon { width: 34px; height: 34px; font-size: .95rem; border-radius: 10px; }
        .live-status { font-size: .72rem; padding: 5px 10px; }
        .hero-title { font-size: 1.25rem; }
    }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #4f6df5;
            --primary-dark: #3a53d8;
            --primary-light: #eef1fe;
            --accent: #f97316;
            --accent-dark: #d95f0a;
            --accent-light: #fff1e8;
            --deep-bg: #0f1530;
            --deep-bg-2: #1a2245;
            --white: #ffffff;
            --text-main: #1e2a4a;
            --text-muted: #64748b;
            --border: #e6eaf2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(15, 21, 48, 0.08);
            --shadow-lg: 0 18px 50px rgba(15, 21, 48, 0.14);
            --transition: all 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ============ 基础重置 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: #f6f8fc;
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ 导航 ============ */
        .custom-navbar {
            background: rgba(15, 21, 48, 0.96);
            backdrop-filter: blur(12px);
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--white) !important;
            letter-spacing: 0.5px;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ffb703);
            border-radius: 10px;
            color: var(--white);
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .navbar-toggler {
            border: none;
            background: rgba(255, 255, 255, 0.12);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: var(--white);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.5);
        }

        .custom-navbar .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 8px;
            margin: 0 2px;
            position: relative;
            font-size: 0.95rem;
        }

        .custom-navbar .nav-link:hover,
        .custom-navbar .nav-link:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .custom-navbar .nav-link.active {
            color: var(--white);
            background: rgba(79, 109, 245, 0.25);
        }

        .custom-navbar .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: #a5f3b5;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.35);
            padding: 5px 12px;
            border-radius: 30px;
            white-space: nowrap;
        }

        .live-status i {
            font-size: 0.4rem;
            color: #22c55e;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ============ 内页 Hero ============ */
        .page-hero {
            position: relative;
            padding: 90px 0 100px;
            background: linear-gradient(135deg, var(--deep-bg) 0%, #1e2a5a 60%, #2d2f6e 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.35;
            z-index: 1;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 21, 48, 0.4) 0%, rgba(15, 21, 48, 0.82) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-breadcrumb a:hover {
            color: var(--accent);
        }

        .hero-breadcrumb i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .page-hero h1 span {
            color: var(--accent);
        }

        .page-hero .lead {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.08rem;
            max-width: 660px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 6px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
        }

        .hero-badge-blue {
            background: rgba(79, 109, 245, 0.18);
            border: 1px solid rgba(79, 109, 245, 0.45);
            color: #c7d2fe;
        }

        .hero-badge-orange {
            background: rgba(249, 115, 22, 0.16);
            border: 1px solid rgba(249, 115, 22, 0.45);
            color: #fed7aa;
        }

        .hero-badge-green {
            background: rgba(16, 185, 129, 0.14);
            border: 1px solid rgba(16, 185, 129, 0.4);
            color: #a7e3c2;
        }

        /* ============ 板块通用 ============ */
        .section-pad {
            padding: 90px 0;
        }

        .section-pad-sm {
            padding: 60px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 640px;
            margin: 0 auto;
        }

        .section-light {
            background: var(--white);
        }

        .section-gray {
            background: #f6f8fc;
        }

        .section-dark {
            background: var(--deep-bg);
            position: relative;
        }

        .section-dark .section-head h2 {
            color: var(--white);
        }

        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .section-head .section-tag {
            background: rgba(79, 109, 245, 0.2);
            color: #c7d2fe;
        }

        /* ============ 版本速览卡片 ============ */
        .version-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .version-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #22d3ee);
        }

        .version-card.card-orange::before {
            background: linear-gradient(90deg, var(--accent), #fbbf24);
        }

        .version-card.card-green::before {
            background: linear-gradient(90deg, #10b981, #34d399);
        }

        .version-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .version-card .ver-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 16px;
        }

        .ver-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            background: var(--primary-light);
        }

        .ver-icon.orange {
            background: var(--accent-light);
            color: var(--accent);
        }

        .ver-icon.green {
            background: #e6fbf3;
            color: #10b981;
        }

        .ver-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 30px;
        }

        .version-card .ver-version {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .version-card .ver-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .version-card .ver-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .version-card .ver-more {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .version-card .ver-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ============ 时间线 ============ */
        .timeline-wrap {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 32px;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 4px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 8px;
            width: 17px;
            height: 17px;
            border-radius: 50%;
            background: var(--white);
            border: 4px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(79, 109, 245, 0.15);
            z-index: 1;
        }

        .timeline-item.item-accent::before {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
        }

        .timeline-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-lg);
        }

        .timeline-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-date i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        .timeline-card h4 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .timeline-tags .badge {
            font-weight: 500;
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 30px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .timeline-tags .badge.badge-orange {
            background: var(--accent-light);
            color: var(--accent);
        }

        .timeline-tags .badge.badge-green {
            background: #e6fbf3;
            color: #10b981;
        }

        /* ============ 游戏更新卡片 ============ */
        .game-update-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .game-update-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .game-update-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .game-update-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-update-card:hover .card-img img {
            transform: scale(1.06);
        }

        .card-img .update-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 21, 48, 0.72);
            backdrop-filter: blur(8px);
            color: var(--white);
            font-size: 0.78rem;
            padding: 5px 14px;
            border-radius: 30px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-img .update-badge i {
            color: #4ade80;
            font-size: 0.45rem;
        }

        .card-body-pad {
            padding: 24px;
        }

        .card-body-pad h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .card-body-pad p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .card-meta-row .date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta-row .link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta-row .link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ============ 活动卡片 ============ */
        .activity-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .activity-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 30px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .activity-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 109, 245, 0.3);
        }

        .activity-date-box {
            min-width: 74px;
            text-align: center;
            background: var(--primary-light);
            border-radius: 14px;
            padding: 12px 10px;
            flex-shrink: 0;
        }

        .activity-date-box .day {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .activity-date-box .month {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .activity-item .activity-info {
            flex: 1;
        }

        .activity-item .activity-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .activity-item .activity-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .activity-item .activity-action {
            flex-shrink: 0;
        }

        .activity-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 9px 20px;
            border-radius: 30px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .activity-btn:hover {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 6px 18px rgba(79, 109, 245, 0.25);
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            box-shadow: 0 4px 16px rgba(15, 21, 48, 0.04);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 20px 24px;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
        }

        .faq-question .faq-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .faq-question[aria-expanded="true"] .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 20px 72px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ============ CTA 订阅 ============ */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--deep-bg) 0%, #1b2350 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.25;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: var(--white);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 30px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
        }

        .cta-form .form-control {
            border-radius: 30px;
            padding: 14px 22px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 0.95rem;
            backdrop-filter: blur(6px);
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.18);
            color: var(--white);
        }

        .cta-form .btn-submit {
            background: linear-gradient(135deg, var(--accent), #ffb703);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 0 32px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .cta-form .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
        }

        .cta-note {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
            margin-top: 16px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0a0e24;
            padding: 70px 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ffb703);
            border-radius: 10px;
            color: var(--white);
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            max-width: 360px;
        }

        .footer-title {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links li a i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        .footer-links li a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact li i {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            color: var(--accent);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 50px;
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .footer-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: #a5f3b5;
        }

        .footer-bottom .footer-live i {
            font-size: 0.4rem;
            color: #22c55e;
        }

        /* ============ 按钮通用 ============ */
        .btn-primary {
            background: var(--primary) !important;
            border-color: var(--primary) !important;
            border-radius: 30px;
            font-weight: 600;
            padding: 10px 26px;
            transition: var(--transition) !important;
        }

        .btn-primary:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(79, 109, 245, 0.35) !important;
        }

        .btn-outline-light:hover {
            transform: translateY(-2px);
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .page-hero {
                padding: 70px 0 80px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .section-pad {
                padding: 70px 0;
            }

            .section-head h2 {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .custom-navbar {
                padding: 10px 0;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .custom-navbar .nav-link {
                padding: 10px 14px;
            }

            .nav-actions {
                margin-top: 10px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                justify-content: space-between;
            }

            .page-hero {
                padding: 56px 0 64px;
            }

            .page-hero h1 {
                font-size: 1.8rem;
            }

            .page-hero .lead {
                font-size: 0.95rem;
            }

            .section-pad {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 1.55rem;
            }

            .activity-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px;
            }

            .activity-date-box {
                min-width: 64px;
            }

            .activity-item .activity-action {
                width: 100%;
            }

            .activity-btn {
                width: 100%;
                justify-content: center;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .btn-submit {
                padding: 13px 32px;
            }

            .timeline-wrap {
                padding-left: 24px;
            }

            .timeline-item::before {
                left: -22px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-badge-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .version-card {
                padding: 24px 20px;
            }

            .timeline-card {
                padding: 20px;
            }

            .cta-form .form-control {
                padding: 12px 18px;
            }

            .activity-item {
                gap: 14px;
            }
        }

        /* 焦点状态可访问性 */
        a:focus,
        button:focus,
        .form-control:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible {
            box-shadow: 0 0 0 4px rgba(79, 109, 245, 0.35);
            border-radius: 6px;
        }
