/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --primary-light: #60A5FA;
            --accent: #06B6D4;
            --accent-light: #22D3EE;
            --dark: #0B1A2D;
            --dark-2: #101F33;
            --dark-3: #16283F;
            --bg-light: #F4F6FB;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --card-bg: #FFFFFF;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 51, 0.08);
            --shadow-md: 0 8px 24px rgba(15, 30, 51, 0.12);
            --shadow-lg: 0 16px 48px rgba(15, 30, 51, 0.16);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --gradient: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg-light);
            color: var(--text-main);
            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;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 100px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 13px 28px;
            font-size: 15px;
            line-height: 1.4;
            border: 2px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.4);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .btn-light:hover {
            background: #E8F2FF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: 12px;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        .accordion-title:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.45);
            outline-offset: 3px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 26, 45, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 26, 45, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
        }
        .brand-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 36px;
            margin: 0;
        }
        .nav-link {
            position: relative;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            background: var(--dark-2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            font-weight: 500;
            padding: 10px 0;
            display: block;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.btn {
            border-bottom: none;
            justify-content: center;
            margin-top: 6px;
        }
        .mobile-menu a.active {
            color: var(--accent-light);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 740px;
            display: flex;
            align-items: center;
            background: linear-gradient(140deg, rgba(8, 18, 35, 0.94) 0%, rgba(15, 32, 58, 0.82) 55%, rgba(6, 182, 212, 0.25) 100%),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 150px 0 90px;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 75% 45%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 100px;
            background: rgba(6, 182, 212, 0.15);
            border: 1px solid rgba(6, 182, 212, 0.4);
            color: #A5F3FC;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 28px;
        }
        .hero-badge i {
            color: var(--accent-light);
        }
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 22px;
            letter-spacing: -1px;
        }
        .hero-title span {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .hero-trust i {
            color: var(--accent-light);
        }

        /* Hero dashboard */
        .hero-dashboard {
            background: rgba(15, 32, 58, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
            overflow: hidden;
        }
        .dash-header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 22px;
            background: rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .dash-dots {
            display: flex;
            gap: 6px;
        }
        .dash-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .dash-dots span:nth-child(1) {
            background: #FF5F57;
        }
        .dash-dots span:nth-child(2) {
            background: #FEBC2E;
        }
        .dash-dots span:nth-child(3) {
            background: #28C840;
        }
        .dash-title {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-left: auto;
        }
        .dash-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(40, 200, 64, 0.15);
            border: 1px solid rgba(40, 200, 64, 0.35);
            color: #6EE7A0;
            font-size: 11px;
            font-weight: 600;
        }
        .dash-body {
            padding: 32px;
        }
        .dash-ring {
            text-align: center;
            margin-bottom: 32px;
            position: relative;
            width: 180px;
            height: 180px;
            margin-left: auto;
            margin-right: auto;
            border-radius: 50%;
            background: conic-gradient(#2563EB 0% 99.89%, rgba(255, 255, 255, 0.1) 99.89%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .dash-ring::before {
            content: "";
            position: absolute;
            top: 14px;
            left: 14px;
            right: 14px;
            bottom: 14px;
            border-radius: 50%;
            background: var(--dark-2);
        }
        .ring-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .ring-value {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .ring-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        .dash-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 22px;
        }
        .dash-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: flex-start;
            transition: background var(--transition);
        }
        .dash-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .dash-item i {
            color: var(--accent-light);
            font-size: 18px;
        }
        .dash-item span {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }
        .dash-item strong {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
        }
        .dash-alert {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            border-radius: 12px;
            background: rgba(40, 200, 64, 0.1);
            border: 1px solid rgba(40, 200, 64, 0.25);
            color: #6EE7A0;
            font-size: 14px;
            font-weight: 500;
        }

        /* Stats Band */
        .stats-band {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 56px 0;
            position: relative;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
            position: relative;
        }
        .stat-item::after {
            content: "";
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-color);
        }
        .cell:last-child .stat-item::after {
            display: none;
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--dark);
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Features */
        .features-section {
            background: var(--bg-light);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .feature-image {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .feature-card:hover .feature-image img {
            transform: scale(1.06);
        }
        .feature-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 26, 45, 0.35) 0%, transparent 55%);
        }
        .feature-icon {
            position: absolute;
            bottom: 16px;
            left: 20px;
            z-index: 2;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }
        .feature-content {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .feature-desc {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: gap var(--transition);
        }
        .feature-link:hover {
            gap: 14px;
            color: var(--primary-dark);
        }

        /* Category Entry */
        .category-section {
            background: #fff;
            border-top: 1px solid var(--border-color);
        }
        .category-card {
            display: flex;
            background: var(--dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(11, 26, 45, 0.28);
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 28px 80px rgba(11, 26, 45, 0.38);
        }
        .category-image {
            flex: 0 0 48%;
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }
        .category-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.6s ease;
        }
        .category-card:hover .category-image img {
            transform: scale(1.05);
        }
        .category-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 65%, var(--dark) 100%);
        }
        .category-body {
            flex: 1;
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .category-body::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 100px;
            background: var(--gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            align-self: flex-start;
        }
        .category-body h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .category-body p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 460px;
        }
        .category-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-light);
            font-weight: 600;
            font-size: 15px;
            transition: gap var(--transition);
        }
        .category-btn:hover {
            gap: 16px;
            color: #fff;
        }

        /* News Section */
        .news-section {
            background: var(--bg-light);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 26px 26px 22px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .news-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .news-card:hover::before {
            transform: scaleX(1);
        }
        .news-card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }
        .news-badge {
            padding: 4px 14px;
            border-radius: 100px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            font-size: 12.5px;
            font-weight: 600;
        }
        .news-date {
            color: var(--text-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            margin-top: 4px;
        }
        .news-more {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .news-card:hover .news-more {
            gap: 10px;
        }
        .news-empty {
            grid-column: 1 / -1;
            background: #fff;
            border: 2px dashed var(--border-color);
            border-radius: var(--radius);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-muted);
        }
        .news-empty i {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
            color: #CBD5E1;
        }

        /* Process */
        .process-section {
            background: #fff;
            border-top: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .process-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 64px;
            align-items: center;
        }
        .process-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .process-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .process-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 26, 45, 0.5) 0%, transparent 60%);
        }
        .process-visual-caption {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            z-index: 2;
            color: #fff;
        }
        .process-visual-caption h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .process-visual-caption p {
            font-size: 14px;
            opacity: 0.8;
        }
        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .step-card {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            border-radius: var(--radius);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .step-card:hover {
            background: var(--bg-light);
            border-color: var(--border-color);
        }
        .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
        }
        .step-content {
            flex: 1;
        }
        .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .accordion-item {
            border-bottom: 1px solid var(--border-color);
            background: #fff;
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            background: #fff;
            transition: all var(--transition);
        }
        .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .accordion-item.is-active .accordion-title {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.04);
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .accordion-content {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .accordion-item.is-active .accordion-content {
            max-height: 300px;
            padding: 0 28px 22px;
        }
        .accordion-content p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(8, 18, 35, 0.92) 0%, rgba(15, 32, 58, 0.85) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 100px;
            background: rgba(6, 182, 212, 0.15);
            border: 1px solid rgba(6, 182, 212, 0.35);
            color: #A5F3FC;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .cta-title {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .cta-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-meta {
            margin-top: 28px;
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
        }
        .cta-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-meta i {
            color: var(--accent-light);
        }

        /* Footer */
        .site-footer {
            background: #0A1525;
            color: rgba(255, 255, 255, 0.68);
            padding: 72px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            font-size: 20px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            max-width: 340px;
        }
        .footer-column h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-links a i {
            font-size: 12px;
            color: var(--accent);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-contact li i {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-light);
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                max-width: 520px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-card {
                flex-direction: column;
            }
            .category-image {
                min-height: 240px;
                flex: none;
            }
            .category-image::after {
                background: linear-gradient(to top, var(--dark) 0%, transparent 70%);
            }
            .process-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .main-nav {
                display: none;
            }
            .nav-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 60px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .stats-band {
                padding: 36px 0;
            }
            .stat-num {
                font-size: 30px;
            }
            .stat-item::after {
                display: none;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .process-visual img {
                height: 280px;
            }
            .cta-title {
                font-size: 30px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .dash-body {
                padding: 24px;
            }
            .category-body {
                padding: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .nav-container {
                height: 64px;
            }
            .brand-text {
                font-size: 18px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-trust {
                flex-direction: column;
                gap: 12px;
            }
            .dash-row {
                grid-template-columns: 1fr;
            }
            .stat-num {
                font-size: 26px;
            }
            .section-title {
                font-size: 24px;
            }
            .accordion-title {
                font-size: 15px;
                padding: 18px 20px;
            }
            .accordion-content {
                padding: 0 20px;
            }
            .accordion-item.is-active .accordion-content {
                padding: 0 20px 18px;
            }
            .category-body {
                padding: 24px;
            }
            .category-body h3 {
                font-size: 22px;
            }
            .step-card {
                gap: 14px;
                padding: 18px 14px;
            }
            .step-num {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0a1628;
            --primary-light: #16283a;
            --accent: #00d4ff;
            --accent-dark: #0ea5c9;
            --accent-orange: #f59e0b;
            --bg: #f0f4f8;
            --card-bg: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 22px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-accent: 0 8px 32px rgba(0, 212, 255, 0.24);
            --transition: all 0.3s ease;
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, 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;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            border: 2px solid transparent;
            outline: none;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(0, 212, 255, 0.4);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 212, 255, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(0, 212, 255, 0.2);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 16px;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-dark);
            letter-spacing: 0.5px;
        }
        .tag-orange {
            background: rgba(245, 158, 11, 0.12);
            color: #d97706;
        }
        .tag-dark {
            background: rgba(10, 22, 40, 0.08);
            color: var(--primary);
        }
        .tag-chip {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(10, 22, 40, 0.06);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag-chip:hover {
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-dark);
            border-color: var(--accent);
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 32px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(10, 22, 40, 0.2);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .nav-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }
        .nav-link {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-link:hover {
            background: rgba(10, 22, 40, 0.06);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(10, 22, 40, 0.2);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(10, 22, 40, 0.06);
            color: var(--primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(10, 22, 40, 0.12);
        }

        /* 文章 Hero */
        .article-hero {
            position: relative;
            padding: 80px 0 64px;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.72) 55%, rgba(0, 212, 255, 0.35) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .article-hero-content {
            max-width: 900px;
        }
        .article-hero-content .tag {
            margin-bottom: 14px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .article-hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .article-hero-content .article-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .article-meta i {
            color: var(--accent);
            font-size: 15px;
        }

        /* 文章主体 */
        .article-section {
            padding: 48px 0 16px;
        }
        .article-main-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px 52px;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #334155;
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--primary);
            font-weight: 700;
            margin: 32px 0 14px;
            line-height: 1.4;
        }
        .article-content h2 {
            font-size: 26px;
        }
        .article-content h3 {
            font-size: 21px;
        }
        .article-content h4 {
            font-size: 18px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 22px;
            margin-bottom: 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(0, 212, 255, 0.06);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content code {
            background: rgba(10, 22, 40, 0.07);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 14px;
            font-family: 'SF Mono', 'Fira Code', monospace;
            color: var(--accent-dark);
        }
        .article-content pre {
            background: var(--primary);
            color: #e2e8f0;
            padding: 24px;
            border-radius: 14px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-content pre code {
            background: none;
            color: inherit;
            padding: 0;
        }
        .article-content a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-content img {
            border-radius: 14px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }
        .article-content th {
            background: rgba(10, 22, 40, 0.03);
            font-weight: 600;
        }

        /* 文章未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-icon {
            font-size: 64px;
            color: var(--accent);
            margin-bottom: 20px;
            opacity: 0.7;
        }
        .article-not-found h2 {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
        }

        /* 文章标签/分享 */
        .article-tags-section {
            padding: 24px 0;
        }
        .article-tags-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 20px 28px;
            box-shadow: var(--shadow);
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .share {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }
        .share-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(10, 22, 40, 0.05);
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 推荐阅读 */
        .related-section {
            padding: 60px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            position: relative;
            display: inline-block;
            margin-bottom: 8px;
        }
        .section-head h2::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-orange));
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            margin-top: 14px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(0, 212, 255, 0.3);
        }
        .related-card-img {
            display: block;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }
        .related-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body .tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .related-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .related-card-body h3 a:hover {
            color: var(--accent-dark);
        }
        .related-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body time {
            font-size: 13px;
            color: var(--text-lighter);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: #fafbfd;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            border-color: rgba(0, 212, 255, 0.4);
            background: #fff;
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(0, 212, 255, 0.04);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-lighter);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 22, 40, 0.95), rgba(10, 22, 40, 0.75));
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 44px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 22px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-column h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links i {
            font-size: 11px;
            color: var(--accent);
        }
        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 空提示 */
        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            color: var(--text-light);
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            font-size: 15px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .article-hero {
                padding: 60px 0 48px;
            }
            .article-hero-content h1 {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                gap: 16px;
            }
            .brand-text {
                font-size: 18px;
            }
            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: var(--transition);
                z-index: 99;
            }
            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-link {
                display: block;
                padding: 12px 16px;
                text-align: center;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions .btn {
                display: none;
            }
            .article-hero-content h1 {
                font-size: 28px;
            }
            .article-hero-content .article-desc {
                font-size: 16px;
            }
            .article-main-card {
                padding: 28px 22px;
            }
            .article-tags-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 18px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-head h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-hero {
                padding: 40px 0 32px;
            }
            .article-hero-content h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-main-card {
                padding: 20px 16px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .related-section {
                padding: 40px 0;
            }
            .faq-section {
                padding: 40px 0;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-content h2 {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #2563eb;
            --color-primary-dark: #1e40af;
            --color-accent: #7c3aed;
            --color-dark: #0b1220;
            --color-dark-2: #111a2e;
            --color-bg: #f5f7fb;
            --color-bg-soft: #eef2f8;
            --color-text: #1f2937;
            --color-text-soft: #5b6472;
            --color-border: #e5e9f0;
            --color-white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 14px rgba(15, 40, 80, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 40, 80, 0.1);
            --shadow-lg: 0 24px 60px rgba(15, 40, 80, 0.14);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            color: var(--color-text);
            background: var(--color-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color .25s ease, background-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        ul {
            padding: 0;
            margin: 0;
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 12px;
        }

        p {
            margin: 0 0 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 6px 24px rgba(15, 40, 80, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 72px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-dark);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--color-dark);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
        }

        .brand-pill {
            font-size: 11px;
            background: #eef2ff;
            color: var(--color-primary);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
            letter-spacing: .02em;
        }

        .main-nav .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-block;
            padding: 9px 18px;
            border-radius: 999px;
            color: var(--color-text);
            font-weight: 500;
            font-size: 15px;
            line-height: 1.4;
            transition: background .25s, color .25s, transform .25s;
        }

        .nav-link:hover {
            background: var(--color-bg-soft);
            color: var(--color-dark);
        }

        .nav-link.active {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.14));
            color: var(--color-primary);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: var(--color-text-soft);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 7px 14px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .status-pill i {
            color: #22c55e;
            font-size: 8px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .6;
                transform: scale(.85);
            }
        }

        .header-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.28);
            transition: transform .25s, box-shadow .25s, color .25s;
        }

        .header-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(37, 99, 235, 0.38);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-dark);
            font-size: 18px;
        }

        /* ===== Hero ===== */
        .hero-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 72px 0;
            color: #fff;
            overflow: hidden;
        }

        .hero-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(9, 12, 28, 0.94) 0%, rgba(9, 12, 28, 0.72) 60%, rgba(15, 23, 42, 0.5) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: #e2e8f0;
            margin-bottom: 22px;
        }

        .hero-tag i {
            color: #38bdf8;
        }

        .hero-banner h1 {
            color: #fff;
            font-size: clamp(32px, 4.2vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px;
        }

        .hero-banner p {
            color: #cbd5e1;
            font-size: 17px;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 42px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            padding: 14px 28px;
            border-radius: 999px;
            color: #fff;
            font-weight: 600;
            box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
            transition: transform .25s, box-shadow .25s, color .25s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(37, 99, 235, 0.48);
            color: #fff;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.26);
            padding: 14px 28px;
            border-radius: 999px;
            color: #fff;
            font-weight: 600;
            transition: background .25s, transform .25s, color .25s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 36px;
        }

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

        .hero-stats .stat strong {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats .stat span {
            color: #94a3b8;
            font-size: 13px;
            margin-top: 4px;
        }

        .hero-dashboard {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 20px;
            padding: 24px;
            backdrop-filter: blur(10px);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
        }

        .dash-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .dash-head h3 {
            color: #fff;
            font-size: 16px;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dash-head h3 i {
            color: #22c55e;
            font-size: 10px;
        }

        .dash-head span {
            color: #94a3b8;
            font-size: 13px;
        }

        .dash-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .dash-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            padding: 16px;
        }

        .dash-label {
            font-size: 12px;
            color: #a5b4fc;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .dash-value {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .dash-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            margin-top: 12px;
            position: relative;
            overflow: hidden;
        }

        .dash-bar span {
            display: block;
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, #38bdf8, #6366f1);
        }

        .dash-meta {
            font-size: 12px;
            color: #94a3b8;
            margin-top: 8px;
        }

        .dash-spark {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 32px;
            margin-top: 12px;
        }

        .dash-spark i {
            flex: 1;
            background: rgba(56, 189, 248, 0.5);
            border-radius: 2px;
            transition: background .3s;
        }

        .dash-spark i:hover {
            background: rgba(56, 189, 248, 0.9);
        }

        /* ===== Sections ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: var(--color-bg);
        }

        .section-head {
            max-width: 720px;
            margin: 0 auto 52px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(37, 99, 235, 0.1);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 14px;
            letter-spacing: .04em;
        }

        .section-head h2 {
            font-size: clamp(26px, 3vw, 36px);
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--color-text-soft);
            font-size: 16px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: transform .28s, box-shadow .28s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .feature-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-bg-soft);
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }

        .feature-card:hover .feature-media img {
            transform: scale(1.05);
        }

        .feature-body {
            padding: 26px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            margin-bottom: 16px;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22);
        }

        .feature-body h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }

        .feature-body p {
            font-size: 14px;
            color: var(--color-text-soft);
            flex: 1;
            margin-bottom: 0;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--color-bg-soft);
            padding: 5px 10px;
            border-radius: 8px;
            font-size: 12px;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* ===== Metrics Band ===== */
        .metrics-band {
            background: linear-gradient(135deg, #0b1220 0%, #111a2e 60%, #0f172a 100%);
            padding: 72px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .metrics-band::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 70%);
            top: -120px;
            right: -80px;
        }

        .metrics-band::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.16), transparent 70%);
            bottom: -120px;
            left: -60px;
        }

        .metrics-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .metric-item {
            text-align: center;
            padding: 14px;
        }

        .metric-value {
            font-size: 36px;
            font-weight: 800;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: block;
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .metric-label {
            color: #94a3b8;
            font-size: 14px;
        }

        /* ===== Workflow ===== */
        .workflow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 28px 24px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: transform .28s, box-shadow .28s;
        }

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

        .step-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(124, 58, 237, 0.1);
            display: inline-flex;
            width: 30px;
            height: 30px;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--color-text-soft);
            margin-bottom: 0;
        }

        /* ===== Updates ===== */
        .update-panel {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .update-row {
            display: flex;
            gap: 20px;
            padding: 24px;
            border-bottom: 1px solid var(--color-border);
            transition: background .25s;
            align-items: flex-start;
        }

        .update-row:last-child {
            border-bottom: 0;
        }

        .update-row:hover {
            background: var(--color-bg);
        }

        .update-date {
            flex: 0 0 86px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .update-body {
            flex: 1;
        }

        .update-body h3 {
            font-size: 16px;
            margin-bottom: 6px;
        }

        .update-body p {
            margin: 0 0 10px;
            font-size: 14px;
            color: var(--color-text-soft);
        }

        .update-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 24px;
            font-weight: 600;
            color: var(--color-dark);
            cursor: pointer;
            border-radius: var(--radius);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            color: var(--color-primary);
            font-size: 18px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

        .faq-body {
            padding: 0 24px 22px;
            color: var(--color-text-soft);
            font-size: 15px;
        }

        /* ===== CTA ===== */
        .cta-band {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 110px 0;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(9, 12, 28, 0.94), rgba(37, 99, 235, 0.88));
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(26px, 3.4vw, 38px);
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: #cbd5e1;
            margin-bottom: 34px;
            font-size: 16px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1220;
            color: #94a3b8;
            padding: 70px 0 30px;
            font-size: 14px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 44px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .brand-icon i {
            color: #fff;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            line-height: 1.8;
            margin: 0;
            color: #a3b0c2;
        }

        .footer-column h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 18px;
        }

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

        .footer-links a,
        .footer-contact li {
            color: #94a3b8;
            display: flex;
            gap: 8px;
            align-items: center;
            transition: color .25s, padding-left .25s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-contact {
            display: grid;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--color-primary);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-banner {
                min-height: 560px;
                padding: 56px 0;
            }

            .metrics-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

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

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 900px) {
            .nav-toggle {
                display: inline-flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 16px 40px rgba(15, 40, 80, 0.1);
                padding: 18px 24px 22px;
                display: none;
                z-index: 40;
            }

            .main-nav.open {
                display: block;
            }

            .main-nav .nav-list {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .nav-link {
                display: block;
                width: 100%;
                padding: 12px 14px;
            }

            .status-pill {
                display: none;
            }

            .header-btn {
                padding: 9px 18px;
                font-size: 13px;
            }

            .hero-content .hero-dashboard {
                margin-top: 36px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .hero-banner {
                min-height: auto;
                padding: 52px 0;
            }

            .hero-banner h1 {
                font-size: 32px;
            }

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

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                width: 100%;
            }

            .dashboard {
                margin-top: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .header-inner {
                gap: 12px;
                min-height: 64px;
            }

            .brand-pill,
            .header-btn {
                display: none;
            }

            .main-nav {
                top: 64px;
            }

            .hero-stats {
                gap: 14px 24px;
            }

            .hero-stats .stat strong {
                font-size: 20px;
            }

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

            .metrics-inner {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }

            .metric-value {
                font-size: 28px;
            }

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

            .update-row {
                flex-direction: column;
                gap: 8px;
                padding: 20px 18px;
            }

            .update-date {
                flex: none;
                font-size: 14px;
            }
        }