/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --bg-deep: #070C14;
            --bg-panel: #0D1524;
            --glass-bg: rgba(255,255,255,0.05);
            --glass-border: rgba(255,255,255,0.12);
            --brand-blue: #2368FF;
            --accent-green: #00E89C;
            --accent-amber: #FFB52E;
            --text-primary: #EAF0FA;
            --text-secondary: #9AA8BC;
            --danger: #FF5D5D;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-btn-lg: 14px;
            --radius-input: 10px;
            --shadow-base: 0 8px 30px rgba(0,0,0,0.35);
            --glow-blue: 0 0 18px rgba(35,104,255,0.45), 0 4px 12px rgba(0,232,156,0.2);
            --glow-green: 0 0 22px rgba(0,232,156,0.5), 0 4px 14px rgba(0,232,156,0.2);
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --section-gap: 96px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-size: 1rem;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--accent-green);
        }

        button {
            border: none;
            cursor: pointer;
            font-family: var(--font-stack);
        }

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

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-alt {
            background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-deep) 100%);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            gap: 16px;
            margin-bottom: 48px;
        }

        .section-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }

        .section-more:hover {
            color: var(--accent-green);
        }

        .section-more svg {
            width: 16px;
            height: 16px;
            transition: transform 0.25s ease;
        }

        .section-more:hover svg {
            transform: translateX(4px);
        }

        .number-font {
            font-weight: 800;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1060;
            height: 76px;
            background: rgba(7, 12, 20, 0.7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
        }

        .site-header.scrolled {
            height: 56px;
            background: rgba(7, 12, 20, 0.85);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-badge {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--brand-blue), #8A4FFF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-badge::after {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            margin-left: 4px;
            box-shadow: 0 0 8px var(--accent-green);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }

        .nav-item {
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color 0.25s ease;
            border-radius: 6px;
        }

        .nav-item:hover {
            color: var(--text-primary);
        }

        .nav-item.active {
            color: var(--accent-green);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            box-shadow: 0 0 6px var(--accent-green);
        }

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

        .active-menu .main-nav {
            display: none;
        }

        /* 按钮 */
        .btn {
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 10px 24px;
            transition: all 0.25s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--brand-blue), #4A7BFF);
            color: #fff;
            box-shadow: var(--glow-blue);
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            transition: all 0.25s ease;
        }

        .btn-primary-custom:hover {
            color: #fff;
            background: linear-gradient(135deg, #3A77FF, #5A8BFF);
            box-shadow: 0 0 26px rgba(35, 104, 255, 0.65), 0 4px 16px rgba(0, 232, 156, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(35, 104, 255, 0.4);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-outline-custom:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-outline-custom:active {
            transform: scale(0.98);
        }

        .btn-green-custom {
            background: var(--accent-green);
            color: #061018;
            border-radius: var(--radius-btn-lg);
            padding: 12px 36px;
            font-size: 1rem;
            font-weight: 700;
            box-shadow: var(--glow-green);
            border: none;
            transition: all 0.25s ease;
        }

        .btn-green-custom:hover {
            background: #0FF5A9;
            color: #061018;
            box-shadow: 0 0 30px rgba(0, 232, 156, 0.65), 0 4px 18px rgba(0, 232, 156, 0.3);
            transform: translateY(-2px);
        }

        .btn-green-custom:active {
            transform: translateY(0) scale(0.98);
        }

        /* 汉堡菜单 */
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 10px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            transition: all 0.25s ease;
        }

        .menu-toggle:hover {
            border-color: var(--accent-green);
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: rgba(7, 12, 20, 0.98);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 1070;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 80px 40px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .drawer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: #fff;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }

        .drawer-close:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: rotate(90deg);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 32px;
        }

        .drawer-link {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 12px 16px;
            border-radius: 12px;
            transition: all 0.25s ease;
            text-align: center;
        }

        .drawer-link:hover,
        .drawer-link.active {
            color: var(--accent-green);
            background: rgba(0, 232, 156, 0.06);
        }

        .drawer-cta {
            width: 100%;
            max-width: 280px;
            margin: 0 auto;
            font-size: 1rem;
            padding: 14px 32px;
        }

        .drawer-foot {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-top: 24px;
            opacity: 0.7;
        }

        .drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1065;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .drawer-backdrop.show {
            opacity: 1;
            visibility: visible;
        }

        /* ========== Hero ========== */
        .hero-section {
            min-height: 640px;
            height: 90vh;
            position: relative;
            display: flex;
            align-items: center;
            padding-top: 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 80% 30%, rgba(35, 104, 255, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 15% 85%, rgba(0, 232, 156, 0.12) 0%, transparent 50%),
                linear-gradient(110deg, rgba(7, 12, 20, 0.95) 0%, rgba(7, 12, 20, 0.75) 50%, rgba(7, 12, 20, 0.6) 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 160px;
            background: linear-gradient(to bottom, transparent, var(--bg-deep));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 232, 156, 0.1);
            border: 1px solid rgba(0, 232, 156, 0.25);
            color: var(--accent-green);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 24px;
        }

        .hero-badge svg {
            width: 14px;
            height: 14px;
        }

        .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

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

        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

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

        .hero-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 28px;
            box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
            transform: translateY(20px);
            transition: transform 0.3s ease;
        }

        .hero-card:hover {
            transform: translateY(16px) scale(1.02);
        }

        .hero-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 20px;
        }

        .hero-card-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

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

        .hero-stat-value {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-green);
            display: block;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            display: block;
            margin-top: 4px;
        }

        .hero-stats-row {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            margin-top: 48px;
            backdrop-filter: blur(12px);
            max-width: 640px;
        }

        .hero-stat-large .value {
            font-size: 1.6rem;
            color: var(--accent-green);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .hero-stat-large .label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== 服务卡片 ========== */
        .services-section {
            position: relative;
        }

        .services-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(35, 104, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .service-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 232, 156, 0.4);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 232, 156, 0.1);
        }

        .service-card-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 24px;
            height: 180px;
        }

        .service-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .service-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .service-icon svg {
            width: 32px;
            height: 32px;
            stroke: var(--accent-green);
            fill: none;
            stroke-width: 1.5;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .service-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .service-price {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--accent-green);
        }

        .service-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.25s ease;
        }

        .service-link:hover {
            color: var(--accent-green);
        }

        .service-link svg {
            width: 14px;
            height: 14px;
            transition: transform 0.2s ease;
        }

        .service-link:hover svg {
            transform: translateX(3px);
        }

        /* ========== 评价轮播 ========== */
        .reviews-section {
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-panel) 50%, var(--bg-deep) 100%);
            position: relative;
        }

        .review-carousel-wrap {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
        }

        .review-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 40px;
            backdrop-filter: blur(12px);
            text-align: center;
            box-shadow: var(--shadow-base);
            margin: 0 auto;
        }

        .review-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-blue), #8A4FFF);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 20px rgba(35, 104, 255, 0.3);
        }

        .review-stars {
            color: var(--accent-amber);
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 4px;
        }

        .review-text {
            font-size: 1.05rem;
            color: var(--text-primary);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: normal;
        }

        .review-author {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .carousel-indicators.custom-dots {
            bottom: -48px;
            gap: 8px;
        }

        .carousel-indicators.custom-dots button {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            opacity: 1;
            transition: all 0.3s ease;
        }

        .carousel-indicators.custom-dots button.active {
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(0, 232, 156, 0.5);
            width: 24px;
            border-radius: 6px;
        }

        /* ========== 保障条 ========== */
        .guarantee-section {
            padding: 64px 0;
            position: relative;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: all 0.25s ease;
        }

        .guarantee-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 232, 156, 0.2);
            transform: translateY(-4px);
        }

        .guarantee-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .guarantee-icon svg {
            width: 36px;
            height: 36px;
            stroke: var(--accent-green);
            fill: none;
            stroke-width: 1.5;
        }

        .guarantee-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .guarantee-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* ========== CTA 横幅 ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            overflow: hidden;
            background: linear-gradient(115deg, #0D1B3E 0%, #13264D 40%, #1B1A4A 100%);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(35, 104, 255, 0.3) 0%, transparent 70%);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 232, 156, 0.15) 0%, transparent 70%);
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 36px;
            line-height: 1.7;
        }

        /* ========== CMS 资讯列表 ========== */
        .news-section {
            position: relative;
        }

        .news-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 232, 156, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all 0.25s ease;
            height: 100%;
            align-items: flex-start;
        }

        .news-card:hover {
            border-color: rgba(0, 232, 156, 0.25);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }

        .news-thumb {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .news-meta .cat {
            color: var(--accent-green);
            font-weight: 600;
        }

        .empty-state {
            text-align: center;
            padding: 60px 32px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            color: var(--text-secondary);
        }

        .empty-state svg {
            width: 48px;
            height: 48px;
            stroke: rgba(255, 255, 255, 0.2);
            margin-bottom: 16px;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-panel) 100%);
        }

        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }

        .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .accordion-item:hover {
            border-color: rgba(0, 232, 156, 0.2);
        }

        .accordion-button {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            transition: all 0.25s ease;
            border: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 232, 156, 0.04);
            color: var(--accent-green);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(0, 232, 156, 0.2);
        }

        .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.6rem;
            font-weight: 400;
            color: var(--text-secondary);
            transform: rotate(0);
            transition: transform 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: rotate(0);
        }

        .accordion-body {
            padding: 0 24px 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #050A12;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 64px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(0, 232, 156, 0.6), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }

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

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 14px;
        }

        .footer-contact-list svg {
            width: 18px;
            height: 18px;
            stroke: var(--accent-green);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-actions .btn-primary-custom {
                display: none;
            }

            .hero-section {
                padding-top: 100px;
                height: auto;
                min-height: 100vh;
            }

            .hero-card-wrap {
                margin-top: 40px;
            }

            .hero-stats-row {
                margin-top: 40px;
                max-width: 100%;
            }

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

        @media (max-width: 767.98px) {
            :root {
                --section-gap: 64px;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .hero-stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
                padding: 20px;
            }

            .hero-stat-large .value {
                font-size: 1.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .news-card {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 120px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-stats-row {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 10px;
                padding: 16px;
            }

            .hero-stat-large .value {
                font-size: 1rem;
            }

            .hero-stat-large .label {
                font-size: 0.7rem;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .guarantee-item {
                padding: 20px 14px;
            }

            .cta-title {
                font-size: 1.5rem;
            }

            .btn-green-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

            .mobile-drawer {
                padding: 80px 24px 32px;
            }

            .drawer-link {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root{
    --bg-deep:#070C14;
    --bg-panel:#0D1524;
    --glass-bg:rgba(255,255,255,0.05);
    --glass-border:rgba(255,255,255,0.12);
    --brand-blue:#2368FF;
    --accent-green:#00E89C;
    --accent-amber:#FFB52E;
    --text-primary:#EAF0FA;
    --text-secondary:#9AA8BC;
    --danger:#FF5D5D;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-btn-lg:14px;
    --shadow-base:0 8px 30px rgba(0,0,0,0.35);
    --glow-green:0 0 18px rgba(0,232,156,0.35),0 4px 12px rgba(35,104,255,0.2);
    --glow-blue:0 0 18px rgba(35,104,255,0.45),0 4px 12px rgba(0,232,156,0.2);
    --transition:0.25s ease;
    --font-main:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    background:var(--bg-deep);
    color:var(--text-primary);
    line-height:1.6;
    font-size:1rem;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:color .25s ease}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px}

/* 按钮 */
.btn-primary-custom{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--brand-blue);color:#fff;border:none;border-radius:var(--radius-btn);
    padding:12px 28px;font-weight:600;font-size:16px;
    box-shadow:var(--glow-blue);transition:all .25s ease;min-height:44px;
}
.btn-primary-custom:hover{
    background:#3a78ff;color:#fff;transform:translateY(-2px);
    box-shadow:0 0 24px rgba(35,104,255,0.65),0 6px 16px rgba(0,232,156,0.35);
}
.btn-primary-custom:active{transform:translateY(0);box-shadow:0 0 12px rgba(35,104,255,0.35)}
.btn-ghost-custom{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:rgba(255,255,255,0.06);color:#fff;border:1px solid rgba(255,255,255,0.25);
    border-radius:var(--radius-btn);padding:12px 28px;font-weight:500;font-size:16px;
    backdrop-filter:blur(8px);transition:all .25s ease;min-height:44px;
}
.btn-ghost-custom:hover{
    border-color:var(--accent-green);color:var(--accent-green);background:rgba(255,255,255,0.1);
    transform:translateY(-2px);
}
.btn-green-custom{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--accent-green);color:#071018;border:none;border-radius:var(--radius-btn-lg);
    padding:14px 36px;font-weight:700;font-size:17px;
    box-shadow:0 0 20px rgba(0,232,156,0.4),0 4px 14px rgba(0,0,0,0.2);
    transition:all .25s ease;min-height:48px;
}
.btn-green-custom:hover{
    background:#19f5ac;color:#071018;transform:translateY(-2px);
    box-shadow:0 0 28px rgba(0,232,156,0.6),0 6px 18px rgba(0,0,0,0.25);
}
.btn-green-custom:active{transform:translateY(0)}

/* 顶部导航 */
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1050;
    background:rgba(7,12,20,0.7);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,0.08);
    transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
    background:rgba(7,12,20,0.9);
    box-shadow:0 8px 30px rgba(0,0,0,0.45);
}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:76px;transition:height .25s ease;
}
.site-header.scrolled .header-inner{height:56px}
.brand-logo{
    display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-mark{
    font-size:22px;font-weight:800;color:#fff;letter-spacing:0.5px;
    background:linear-gradient(135deg,#fff,var(--accent-green));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-clip:text;
}
.brand-sub{
    font-size:12px;color:var(--text-secondary);padding-left:8px;
    border-left:1px solid rgba(255,255,255,0.2);
    font-weight:400;
}
.main-nav{
    display:flex;align-items:center;gap:32px;
}
.nav-item{
    position:relative;color:var(--text-secondary);font-size:15px;font-weight:500;
    padding:8px 0;transition:color .25s ease;white-space:nowrap;
}
.nav-item::after{
    content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;
    background:var(--accent-green);border-radius:2px;
    transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-item:hover{color:#fff}
.nav-item:hover::after{transform:scaleX(0.4)}
.nav-item.active{color:#fff}
.nav-item.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{
    display:none;background:none;border:none;padding:8px;
    flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{
    display:block;width:24px;height:2px;background:#fff;border-radius:2px;
    transition:all .3s ease;
}

/* 移动端抽屉 */
.nav-drawer{
    position:fixed;top:0;right:0;width:100%;height:100vh;z-index:1100;
    background:rgba(7,12,20,0.97);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    transform:translateX(100%);
    transition:transform .35s ease;
    display:flex;flex-direction:column;
    padding:24px 32px;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-header{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:48px;
}
.drawer-brand{font-size:22px;font-weight:800;color:#fff}
.drawer-close{
    background:none;border:none;color:#fff;padding:8px;display:flex;align-items:center;justify-content:center;
    min-height:44px;min-width:44px;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;flex:1}
.drawer-item{
    display:block;font-size:20px;font-weight:600;color:var(--text-secondary);
    padding:16px 8px;border-bottom:1px solid rgba(255,255,255,0.06);
    transition:color .25s ease,padding-left .25s ease;
}
.drawer-item:hover,.drawer-item.active{color:var(--accent-green);padding-left:16px}
.drawer-footer{
    display:flex;gap:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.1);
    font-size:14px;color:var(--text-secondary);
}

/* Hero */
.category-hero{
    position:relative;padding:160px 0 100px;min-height:60vh;
    background:
        linear-gradient(135deg,rgba(7,12,20,0.92) 0%,rgba(13,21,36,0.85) 50%,rgba(7,12,20,0.9) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    overflow:hidden;
}
.category-hero::before{
    content:'';position:absolute;top:-80px;right:10%;width:400px;height:400px;
    background:radial-gradient(circle,rgba(0,232,156,0.15) 0%,transparent 70%);
    pointer-events:none;
}
.category-hero::after{
    content:'';position:absolute;bottom:-60px;left:5%;width:300px;height:300px;
    background:radial-gradient(circle,rgba(35,104,255,0.2) 0%,transparent 70%);
    pointer-events:none;
}
.hero-content{position:relative;z-index:2;text-align:center}
.category-hero .page-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(0,232,156,0.1);border:1px solid rgba(0,232,156,0.25);
    color:var(--accent-green);font-size:13px;font-weight:500;
    padding:6px 18px;border-radius:50px;margin-bottom:24px;
}
.category-hero h1{
    font-size:2.8rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px;
    letter-spacing:-0.02em;
}
.category-hero .hero-desc{
    font-size:1.05rem;color:var(--text-secondary);max-width:680px;margin:0 auto 32px;
    line-height:1.8;
}
.hero-stats{
    display:flex;justify-content:center;gap:48px;margin-top:40px;flex-wrap:wrap;
}
.stat-item{text-align:center}
.stat-number{
    font-size:2rem;font-weight:800;color:var(--accent-green);letter-spacing:-0.02em;
    font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}

/* 锚点胶囊导航 */
.anchor-nav-wrap{
    position:sticky;top:76px;z-index:900;
    background:rgba(7,12,20,0.85);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,0.06);
    padding:14px 0;
}
.anchor-nav{
    display:flex;justify-content:center;gap:12px;flex-wrap:wrap;
}
.anchor-link{
    display:inline-flex;align-items:center;min-height:44px;
    padding:8px 22px;border-radius:50px;
    background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.12);
    color:var(--text-secondary);font-size:14px;font-weight:500;
    transition:all .25s ease;
}
.anchor-link:hover{
    border-color:var(--accent-green);color:var(--accent-green);
    background:rgba(0,232,156,0.08);
}

/* 内容区块 */
.section-block{padding:96px 0}
.section-label{
    display:inline-block;font-size:13px;font-weight:600;color:var(--accent-green);
    letter-spacing:0.1em;text-transform:uppercase;margin-bottom:12px;
}
.section-title{
    font-size:2rem;font-weight:800;color:#fff;line-height:1.3;margin-bottom:16px;
    letter-spacing:-0.01em;
}
.section-desc{
    font-size:1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:0;
}
.feature-card{
    background:linear-gradient(145deg,rgba(255,255,255,0.07),rgba(255,255,255,0.02));
    border:1px solid var(--glass-border);
    border-radius:var(--radius-card);
    padding:32px;
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    box-shadow:var(--shadow-base),inset 0 1px 0 rgba(255,255,255,0.08);
    transition:transform .25s ease,border-color .25s ease;
    height:100%;
}
.feature-card:hover{
    transform:translateY(-4px);
    border-color:rgba(0,232,156,0.3);
}
.feature-img{
    border-radius:12px;overflow:hidden;box-shadow:var(--shadow-base);
}
.feature-img img{
    width:100%;height:260px;object-fit:cover;transition:transform .4s ease;
}
.feature-img:hover img{transform:scale(1.03)}
.feature-icon{
    width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:rgba(0,232,156,0.1);border:1px solid rgba(0,232,156,0.2);margin-bottom:24px;
}
.feature-icon svg{width:26px;height:26px;stroke:var(--accent-green)}
.feature-card h3{
    font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:12px;
}
.feature-card p{
    color:var(--text-secondary);font-size:0.95rem;line-height:1.7;margin-bottom:0;
}
.alt-section{
    background:linear-gradient(180deg,rgba(13,21,36,0.6) 0%,rgba(7,12,20,0.4) 100%);
}

/* FAQ */
.faq-section{padding:96px 0}
.faq-title{
    font-size:2rem;font-weight:800;color:#fff;text-align:center;margin-bottom:12px;
}
.faq-subtitle{
    text-align:center;color:var(--text-secondary);font-size:1rem;margin-bottom:48px;
}
.faq-wrap{max-width:800px;margin:0 auto}
.accordion-item{
    background:linear-gradient(145deg,rgba(255,255,255,0.05),rgba(255,255,255,0.01));
    border:1px solid var(--glass-border) !important;
    border-radius:14px !important;
    margin-bottom:16px;
    overflow:hidden;
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
}
.accordion-button{
    background:transparent !important;
    color:var(--text-primary) !important;
    font-weight:600;font-size:1rem;
    padding:20px 24px;
    box-shadow:none !important;
}
.accordion-button:not(.collapsed){
    color:var(--accent-green) !important;
}
.accordion-button::after{
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24' stroke='%2300E89C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
    transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{
    transform:rotate(45deg);
}
.accordion-body{
    color:var(--text-secondary);line-height:1.8;padding:0 24px 24px;
    font-size:0.95rem;
}

/* CTA */
.cta-section{
    position:relative;padding:96px 0;
    background:
        linear-gradient(135deg,rgba(35,104,255,0.25) 0%,rgba(7,12,20,0.85) 50%,rgba(0,232,156,0.15) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    overflow:hidden;
}
.cta-section::before{
    content:'';position:absolute;top:0;right:0;width:100%;height:100%;
    background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,0.04) 50%,transparent 100%);
    pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-section h2{
    font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:16px;
}
.cta-section p{
    color:var(--text-secondary);font-size:1.05rem;margin-bottom:36px;line-height:1.7;
}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.site-footer{
    background:#050A10;
    border-top:1px solid rgba(0,232,156,0.15);
    padding:64px 0 0;
}
.footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:48px;
    padding-bottom:48px;
}
.footer-brand-text{
    font-size:22px;font-weight:800;color:#fff;margin-bottom:16px;
    background:linear-gradient(135deg,#fff,var(--accent-green));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-clip:text;
}
.footer-desc{
    color:var(--text-secondary);font-size:0.9rem;line-height:1.7;max-width:340px;
}
.footer-title{
    font-size:15px;font-weight:700;color:#fff;margin-bottom:20px;
}
.footer-links{
    list-style:none;padding:0;margin:0;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
    color:var(--text-secondary);font-size:0.92rem;transition:color .25s ease;
}
.footer-links a:hover{color:var(--accent-green)}
.footer-contact-list{
    list-style:none;padding:0;margin:0;
}
.footer-contact-list li{
    display:flex;align-items:center;gap:10px;
    color:var(--text-secondary);font-size:0.9rem;margin-bottom:14px;
}
.footer-contact-list svg{width:18px;height:18px;stroke:var(--accent-green);flex-shrink:0}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.06);
    padding:20px 0;text-align:center;
    color:var(--text-secondary);font-size:0.85rem;
}

/* 响应式 */
@media (max-width:1024px){
    .container{max-width:960px}
    .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}
}
@media (max-width:768px){
    .main-nav{display:none}
    .nav-toggle{display:flex}
    .header-inner{height:64px}
    .site-header.scrolled .header-inner{height:56px}
    .anchor-nav-wrap{top:64px}
    .category-hero{padding:140px 0 80px;min-height:auto}
    .category-hero h1{font-size:2rem}
    .hero-desc{font-size:0.95rem}
    .hero-stats{gap:24px}
    .stat-number{font-size:1.6rem}
    .section-block{padding:64px 0}
    .section-title{font-size:1.55rem}
    .feature-card{padding:24px}
    .feature-img img{height:200px}
    .faq-section{padding:64px 0}
    .cta-section{padding:64px 0}
    .cta-section h2{font-size:1.6rem}
    .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
    .footer-desc{max-width:100%}
}
@media (max-width:520px){
    .category-hero h1{font-size:1.7rem}
    .hero-desc{font-size:0.9rem}
    .hero-stats{flex-direction:row;flex-wrap:wrap;gap:16px}
    .stat-item{flex:0 0 45%}
    .anchor-link{padding:8px 16px;font-size:13px}
    .section-title{font-size:1.35rem}
    .cta-buttons{flex-direction:column}
    .cta-buttons .btn-primary-custom,.cta-buttons .btn-ghost-custom{width:100%}
}

/* roulang page: article */
:root {
            --bg-deep: #070C14;
            --bg-panel: #0D1524;
            --glass-bg: rgba(255,255,255,0.05);
            --glass-border: rgba(255,255,255,0.12);
            --brand-blue: #2368FF;
            --accent-green: #00E89C;
            --accent-amber: #FFB52E;
            --text-primary: #EAF0FA;
            --text-secondary: #9AA8BC;
            --danger: #FF5D5D;
            --radius-sm: 10px;
            --radius-md: 16px;
            --shadow-base: 0 8px 30px rgba(0,0,0,0.35);
            --glow: 0 0 18px rgba(35,104,255,0.45), 0 4px 12px rgba(0,232,156,0.2);
            --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font: inherit;
        }
        ul,
        ol {
            padding-left: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ── 导航 ── */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 12, 20, 0.7);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.25s ease, height 0.25s ease, box-shadow 0.25s ease;
            height: 80px;
        }
        .site-header.scrolled {
            height: 56px;
            background: rgba(7, 12, 20, 0.92);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 14px var(--accent-green);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            padding: 10px 18px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            line-height: 1.4;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(0, 232, 156, 0.08);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 232, 156, 0.6);
        }
        .cta-btn {
            background: var(--brand-blue);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: var(--glow);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn:hover {
            background: #3578FF;
            box-shadow: 0 0 24px rgba(35, 104, 255, 0.65), 0 4px 16px rgba(0, 232, 156, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .cta-btn:active {
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        /* 移动菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            z-index: 2000;
            background: rgba(7, 12, 20, 0.98);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            transition: right 0.35s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 30px;
            padding: 48px 32px;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            color: var(--text-primary);
            font-size: 1.6rem;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-close:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: rotate(90deg);
        }
        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: center;
            width: 100%;
        }
        .mobile-nav-link {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 14px 24px;
            border-radius: 14px;
            transition: var(--transition);
            text-align: center;
            width: 100%;
            max-width: 320px;
        }
        .mobile-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-link.active {
            color: var(--accent-green);
            background: rgba(0, 232, 156, 0.08);
        }
        .mobile-menu-footer {
            margin-top: 24px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-align: center;
        }

        /* ── 文章 Hero ── */
        .article-hero {
            background:
                linear-gradient(180deg, rgba(7, 12, 20, 0.82) 0%, rgba(13, 21, 36, 0.96) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 96px 0 72px;
            position: relative;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 90% 10%, rgba(0, 232, 156, 0.08), transparent 60%);
            pointer-events: none;
        }
        .breadcrumb-nav {
            margin-bottom: 30px;
        }
        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list li+li::before {
            content: '›';
            color: rgba(255, 255, 255, 0.25);
            font-size: 1.1rem;
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb-list a:hover {
            color: var(--accent-green);
        }
        .breadcrumb-list .active {
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 280px;
        }
        .article-hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            max-width: 860px;
            margin: 0 0 20px;
        }
        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .meta-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 232, 156, 0.1);
            border: 1px solid rgba(0, 232, 156, 0.25);
            color: var(--accent-green);
            padding: 6px 16px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ── 正文区域 ── */
        .article-main {
            background: var(--bg-deep);
            padding: 72px 0 90px;
        }
        .article-content {
            max-width: 780px;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.9;
            color: #C6D2E3;
        }
        .article-content h2 {
            font-size: 1.55rem;
            line-height: 1.4;
            color: #FFFFFF;
            font-weight: 700;
            margin: 2em 0 0.8em;
            padding-left: 16px;
            border-left: 4px solid var(--accent-green);
            border-radius: 0 4px 4px 0;
        }
        .article-content h3 {
            font-size: 1.3rem;
            line-height: 1.4;
            color: #FFFFFF;
            font-weight: 700;
            margin: 1.8em 0 0.7em;
        }
        .article-content h4 {
            font-size: 1.1rem;
            line-height: 1.4;
            color: #FFFFFF;
            font-weight: 600;
            margin: 1.6em 0 0.6em;
        }
        .article-content p {
            margin: 0 0 1.5em;
            color: #C6D2E3;
        }
        .article-content a {
            color: var(--accent-green);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }
        .article-content a:hover {
            border-bottom-color: var(--accent-green);
            color: #66FFC4;
        }
        .article-content strong {
            color: #FFFFFF;
            font-weight: 600;
        }
        .article-content img {
            width: 100%;
            border-radius: 12px;
            margin: 1.6em 0;
            box-shadow: var(--shadow-base);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-green);
            background: rgba(0, 232, 156, 0.06);
            padding: 18px 24px;
            margin: 1.6em 0;
            border-radius: 0 14px 14px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 1.4em 0;
            padding-left: 1.6em;
            color: #C6D2E3;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5em;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            color: #C6D2E3;
            font-size: 0.95rem;
        }
        .article-content table th {
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            font-weight: 600;
            text-align: left;
        }
        .article-content table td {
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 16px;
        }
        .article-content table tr:nth-child(even) td {
            background: rgba(255, 255, 255, 0.02);
        }
        .article-content pre {
            background: #101826;
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 22px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 0.92rem;
            line-height: 1.7;
            margin: 1.6em 0;
            color: #C6D2E3;
        }
        .article-content code {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.9em;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 2em 0;
        }

        /* 空态 */
        .article-empty {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 32px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
        }
        .article-empty h1 {
            font-size: 2rem;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ── 相关推荐 ── */
        .related-section {
            background: var(--bg-panel);
            padding: 88px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #FFFFFF;
            margin: 0;
            letter-spacing: -0.02em;
            position: relative;
            padding-left: 16px;
        }
        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: var(--accent-green);
            box-shadow: 0 0 12px rgba(0, 232, 156, 0.5);
        }
        .section-more {
            color: var(--text-secondary);
            font-size: 0.92rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .section-more:hover {
            color: var(--accent-green);
            gap: 10px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 232, 156, 0.4);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 232, 156, 0.1);
        }
        .related-thumb {
            aspect-ratio: 16 / 8;
            overflow: hidden;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.25s ease;
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }
        .related-body {
            padding: 20px 22px 22px;
        }
        .related-body h3 {
            font-size: 1.05rem;
            color: #FFFFFF;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .related-date {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ── CTA 区 ── */
        .cta-section {
            padding: 96px 0;
            background:
                linear-gradient(135deg, rgba(11, 30, 77, 0.9) 0%, rgba(13, 21, 36, 0.95) 50%, rgba(4, 44, 37, 0.92) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(0, 232, 156, 0.04), transparent);
            transform: skewX(-12deg) translateX(-30%);
            animation: ctaShine 8s infinite;
        }
        @keyframes ctaShine {
            0% {
                transform: skewX(-12deg) translateX(-60%);
            }
            60%,
            100% {
                transform: skewX(-12deg) translateX(60%);
            }
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin: 0 0 36px;
        }
        .btn-accent {
            background: var(--accent-green);
            color: #062119;
            border: none;
            border-radius: 14px;
            padding: 16px 44px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 0 26px rgba(0, 232, 156, 0.4), 0 6px 18px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            display: inline-block;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: #1DFFA9;
            box-shadow: 0 0 38px rgba(0, 232, 156, 0.55), 0 8px 24px rgba(0, 0, 0, 0.35);
            transform: translateY(-2px);
            color: #062119;
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-brand {
            background: var(--brand-blue);
            color: #FFFFFF;
            border: none;
            border-radius: 10px;
            padding: 14px 36px;
            font-weight: 600;
            box-shadow: var(--glow);
            transition: var(--transition);
            display: inline-block;
            cursor: pointer;
        }
        .btn-brand:hover {
            background: #3578FF;
            box-shadow: 0 0 24px rgba(35, 104, 255, 0.65), 0 4px 16px rgba(0, 232, 156, 0.35);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* ── 页脚 ── */
        .site-footer {
            background: #050A12;
            border-top: 1px solid rgba(0, 232, 156, 0.15);
            padding: 72px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand-text::before {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 14px var(--accent-green);
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 340px;
            margin: 0;
        }
        .footer-title {
            font-size: 1rem;
            color: #FFFFFF;
            font-weight: 600;
            margin: 0 0 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent-green);
            opacity: 0;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-green);
        }
        .footer-links a:hover::before {
            opacity: 1;
        }
        .footer-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-contact-list svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            color: rgba(255, 255, 255, 0.38);
            font-size: 0.85rem;
        }

        /* ── 响应式 ── */
        @media (max-width: 992px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .article-hero-title {
                font-size: 2rem;
            }
            .cta-inner h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 68px;
            }
            .site-header {
                height: 68px;
            }
            .site-header.scrolled {
                height: 56px;
            }
            .main-nav {
                display: none;
            }
            .cta-btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .article-hero {
                padding: 72px 0 56px;
            }
            .article-hero-title {
                font-size: 1.7rem;
            }
            .article-main {
                padding: 56px 0 64px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section {
                padding: 64px 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .article-hero-title {
                font-size: 1.45rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-inner h2 {
                font-size: 1.55rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
            .article-hero-meta {
                gap: 12px;
            }
            .breadcrumb-list .active {
                max-width: 180px;
            }
            .article-empty {
                padding: 48px 20px;
            }
            .article-empty h1 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 375px) {
            .logo {
                font-size: 1.15rem;
            }
            .footer-brand-text {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #070C14;
            --bg-panel: #0D1524;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --brand-blue: #2368FF;
            --accent-green: #00E89C;
            --accent-amber: #FFB52E;
            --text-primary: #EAF0FA;
            --text-secondary: #9AA8BC;
            --danger: #FF5D5D;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-base: 0 8px 30px rgba(0, 0, 0, 0.35);
            --glow-btn: 0 0 18px rgba(35, 104, 255, 0.45), 0 4px 12px rgba(0, 232, 156, 0.2);
            --font-base: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --section-space: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-base);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }

        a:hover {
            color: inherit;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ---------- 导航 ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 12, 20, 0.7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            transition: all 0.25s ease;
        }

        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(7, 12, 20, 0.92);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .brand-logo svg {
            width: 26px;
            height: 26px;
            color: var(--accent-green);
            flex-shrink: 0;
        }

        .brand-logo .logo-dot {
            color: var(--accent-green);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-item {
            padding: 8px 16px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all 0.25s;
            position: relative;
            white-space: nowrap;
        }

        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-item.active {
            color: var(--accent-green);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            cursor: pointer;
            z-index: 1101;
            padding: 0;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ---------- 按钮 ---------- */
        .btn-main,
        .btn-ghost,
        .btn-green {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            border: none;
            line-height: 1.4;
        }

        .btn-main {
            background: var(--brand-blue);
            color: #fff;
            box-shadow: var(--glow-btn);
        }

        .btn-main:hover {
            background: #3a77ff;
            color: #fff;
            box-shadow: 0 0 24px rgba(35, 104, 255, 0.65), 0 4px 12px rgba(0, 232, 156, 0.35);
        }

        .btn-main:active {
            transform: translateY(1px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }

        .btn-ghost:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-green {
            background: var(--accent-green);
            color: #06281C;
            border-radius: 14px;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            box-shadow: 0 0 18px rgba(0, 232, 156, 0.3);
        }

        .btn-green:hover {
            background: #0ff7aa;
            color: #06281C;
            box-shadow: 0 0 28px rgba(0, 232, 156, 0.5);
        }

        .btn-green:active {
            transform: translateY(1px);
        }

        .w-100 {
            width: 100%;
        }

        /* ---------- 页面 Hero ---------- */
        .page-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            padding: 184px 0 88px;
            background: linear-gradient(180deg, #070C14 0%, #0D1524 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.22;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 72% 30%, rgba(35, 104, 255, 0.2), transparent 55%),
                radial-gradient(ellipse at 20% 75%, rgba(0, 232, 156, 0.12), transparent 50%);
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(0, 232, 156, 0.1);
            border: 1px solid rgba(0, 232, 156, 0.3);
            color: var(--accent-green);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 100px;
            margin-bottom: 20px;
        }

        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 470px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        .hero-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-base);
            backdrop-filter: blur(12px);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .hero-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 26px;
            height: 26px;
            background: linear-gradient(225deg, transparent 48%, rgba(0, 232, 156, 0.4) 50%);
            border-radius: 0 0 0 14px;
            z-index: 3;
        }

        .hero-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 232, 156, 0.35);
        }

        .hero-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }

        .hero-card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-card-body span {
            font-size: 0.82rem;
            color: var(--accent-green);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .hero-card-body strong {
            display: block;
            font-size: 1.05rem;
            color: #fff;
            font-weight: 700;
        }

        /* ---------- 数据统计条 ---------- */
        .stats-bar {
            padding: 48px 0;
            background: var(--bg-panel);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-num {
            display: block;
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }

        .stat-label {
            display: block;
            margin-top: 8px;
            color: var(--text-secondary);
            font-size: 0.92rem;
        }

        /* ---------- 内容区 ---------- */
        .content-section {
            padding: var(--section-space) 0;
            background: var(--bg-deep);
            position: relative;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .info-card {
            position: relative;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            gap: 20px;
            transition: transform 0.25s ease, border-color 0.25s ease;
            overflow: hidden;
        }

        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-green);
            opacity: 0.6;
            border-radius: 0 4px 4px 0;
        }

        .info-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 20px;
            height: 20px;
            background: linear-gradient(225deg, transparent 48%, rgba(0, 232, 156, 0.25) 50%);
            border-radius: 0 0 0 10px;
        }

        .info-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 232, 156, 0.35);
        }

        .info-card-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(0, 232, 156, 0.1);
            border: 1px solid rgba(0, 232, 156, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
        }

        .info-card-icon svg {
            width: 26px;
            height: 26px;
        }

        .info-card-content {
            flex: 1;
        }

        .info-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .info-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ---------- 侧边栏表单 ---------- */
        .sidebar-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 32px 24px;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-base);
            position: sticky;
            top: 120px;
            overflow: hidden;
        }

        .sidebar-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 22px;
            height: 22px;
            background: linear-gradient(225deg, transparent 48%, rgba(0, 232, 156, 0.3) 50%);
            border-radius: 0 0 0 12px;
        }

        .sidebar-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .sidebar-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            color: var(--text-primary);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            background: #101826;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all 0.25s;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 232, 156, 0.15);
            background: #0F1726;
        }

        .form-control::placeholder {
            color: rgba(154, 168, 188, 0.6);
        }

        textarea.form-control {
            min-height: 96px;
            resize: vertical;
        }

        .form-note {
            margin-top: 12px;
            font-size: 0.8rem;
            color: rgba(154, 168, 188, 0.7);
            text-align: center;
        }

        .form-success {
            text-align: center;
            padding: 32px 8px;
        }

        .form-success svg {
            width: 48px;
            height: 48px;
            color: var(--accent-green);
            margin-bottom: 12px;
        }

        .form-success p {
            color: var(--text-primary);
            font-size: 1rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ---------- CTA 横幅 ---------- */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 26, 58, 0.94), rgba(18, 42, 94, 0.9));
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(0, 232, 156, 0.13), transparent 60%);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: rgba(234, 240, 250, 0.82);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: #050A11;
            border-top: 1px solid rgba(0, 232, 156, 0.25);
            padding: 64px 0 24px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 380px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.2s;
        }

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

        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .footer-contact-list svg {
            width: 18px;
            height: 18px;
            color: var(--accent-green);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            color: rgba(154, 168, 188, 0.7);
            font-size: 0.85rem;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background: rgba(7, 12, 20, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 12px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1100;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav .nav-item {
                font-size: 1.15rem;
                padding: 10px 24px;
            }

            .nav-item.active::after {
                left: 24px;
                right: 24px;
                bottom: 6px;
            }

            .page-hero {
                padding: 150px 0 64px;
            }

            .page-hero h1 {
                font-size: 2.5rem;
            }

            .hero-card {
                margin-top: 40px;
            }

            .hero-card img {
                height: 220px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .sidebar-card {
                position: static;
                margin-top: 32px;
            }

            .info-card {
                flex-direction: column;
                gap: 16px;
            }
        }

        @media (max-width: 575px) {
            :root {
                --section-space: 64px;
            }

            .site-header {
                padding: 14px 0;
            }

            .brand-logo {
                font-size: 1.15rem;
            }

            .page-hero {
                padding: 130px 0 48px;
                min-height: auto;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-card img {
                height: 180px;
            }

            .stats-bar {
                padding: 32px 0;
            }

            .stat-num {
                font-size: 2rem;
            }

            .stat-label {
                font-size: 0.84rem;
            }

            .info-card {
                padding: 24px 20px;
            }

            .info-card-icon {
                width: 48px;
                height: 48px;
                border-radius: 12px;
            }

            .info-card-icon svg {
                width: 22px;
                height: 22px;
            }

            .sidebar-card {
                padding: 26px 20px;
            }

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

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-section p {
                font-size: 0.95rem;
            }

            .footer-grid {
                gap: 28px;
            }
        }

/* roulang page: category3 */
:root {
    --bg-deep: #070C14;
    --bg-panel: #0D1524;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.12);
    --brand-blue: #2368FF;
    --accent-green: #00E89C;
    --accent-amber: #FFB52E;
    --text-primary: #EAF0FA;
    --text-secondary: #9AA8BC;
    --danger: #FF5D5D;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-base: 0 8px 30px rgba(0,0,0,0.35);
    --glow-blue: 0 0 18px rgba(35,104,255,0.45), 0 4px 12px rgba(0,232,156,0.2);
    --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --bs-body-font-family: var(--font-sans);
    --bs-body-font-size: 1rem;
    --bs-body-color: var(--text-primary);
    --bs-body-bg: var(--bg-deep);
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    background-color: var(--bg-deep);
    background-image: radial-gradient(ellipse 90% 65% at 50% -8%, rgba(35,104,255,0.14), transparent 70%);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--accent-green);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: #5cffca;
}
img {
    max-width: 100%;
    vertical-align: middle;
}
.container {
    max-width: 1200px;
}
section[id] {
    scroll-margin-top: 96px;
}

/* ===== 按钮 ===== */
.btn {
    border-radius: var(--radius-btn);
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.25s ease;
}
.btn-lg {
    border-radius: 14px;
    padding: 14px 36px;
    font-size: 1.06rem;
}
.btn-primary {
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    color: #fff;
    box-shadow: var(--glow-blue);
}
.btn-primary:hover,
.btn-primary:focus {
    background: #3d78ff;
    border-color: #3d78ff;
    color: #fff;
    box-shadow: 0 0 26px rgba(35,104,255,0.65), 0 4px 16px rgba(0,232,156,0.35);
    transform: translateY(-2px);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 0 14px rgba(35,104,255,0.4);
}
.btn-outline-light {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.55);
    color: #fff;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.btn-outline-light:hover,
.btn-outline-light:focus {
    background: rgba(255,255,255,0.09);
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: translateY(-2px);
}
.btn-green {
    background: var(--accent-green);
    border: 1px solid var(--accent-green);
    color: #071018;
    font-weight: 700;
    box-shadow: 0 0 18px rgba(0,232,156,0.32);
}
.btn-green:hover,
.btn-green:focus {
    background: #30f7b3;
    border-color: #30f7b3;
    color: #071018;
    box-shadow: 0 0 30px rgba(0,232,156,0.52);
    transform: translateY(-2px);
}

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    height: 76px;
    background: rgba(7,12,20,0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.09);
    transition: height 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.scrolled {
    height: 56px;
    background: rgba(7,12,20,0.92);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
}
.logo:hover {
    color: #fff;
}
.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 14px rgba(0,232,156,0.6);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-item {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 16px;
    color: var(--text-secondary);
    font-size: 0.96rem;
    font-weight: 500;
    border-radius: 10px;
    position: relative;
    transition: color 0.2s ease, background 0.2s ease;
}
.nav-item:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}
.nav-item.active {
    color: var(--accent-green);
    background: rgba(0,232,156,0.07);
}
.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent-green);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(0,232,156,0.5);
}
.nav-cta {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 22px;
    border-radius: 10px;
    background: var(--brand-blue);
    color: #fff;
    font-size: 0.92rem;
    font-weight: 600;
    box-shadow: var(--glow-blue);
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.nav-cta:hover {
    color: #fff;
    background: #3d78ff;
    box-shadow: 0 0 24px rgba(35,104,255,0.65), 0 4px 14px rgba(0,232,156,0.32);
    transform: translateY(-1px);
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 12px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-toggle:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(0,232,156,0.4);
}
.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 4px;
    transition: all 0.35s ease;
}

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(7,12,20,0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    display: flex;
    flex-direction: column;
    padding: 32px 28px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
}
.mobile-drawer.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}
.drawer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.35rem;
    font-weight: 800;
}
.drawer-close {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.drawer-close:hover {
    background: rgba(255,255,255,0.12);
    color: var(--accent-green);
    transform: rotate(90deg);
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.drawer-link {
    display: flex;
    align-items: center;
    min-height: 56px;
    padding: 0 8px;
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.drawer-link:hover,
.drawer-link.active {
    color: var(--accent-green);
    padding-left: 14px;
}
.drawer-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.drawer-service {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.03em;
}

/* ===== Hero Banner ===== */
.page-hero {
    position: relative;
    isolation: isolate;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 0 96px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), 0 100%);
    background: linear-gradient(180deg, rgba(7,12,20,0.55) 0%, rgba(7,12,20,0.88) 100%);
}
.page-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    min-height: 480px;
}
.page-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7,12,20,0.62) 0%, rgba(7,12,20,0.82) 100%);
}
.page-hero-glow {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 70% 65% at 50% 35%, rgba(35,104,255,0.22), transparent 70%);
}
.page-hero-content {
    max-width: 820px;
    padding: 0 20px;
}
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    border: 1px solid rgba(0,232,156,0.3);
    background: rgba(0,232,156,0.08);
    border-radius: 100px;
    color: var(--accent-green);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.18;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}
.page-hero-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.75;
}
.hero-metrics {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.hero-metric {
    text-align: center;
}
.hero-metric strong {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-green);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
.hero-metric span {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* ===== 区块通用 ===== */
.section {
    padding: 96px 0;
}
.section-head {
    max-width: 780px;
    margin: 0 auto 52px;
    text-align: center;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 1px solid rgba(0,232,156,0.3);
    background: rgba(0,232,156,0.08);
    border-radius: 100px;
    color: var(--accent-green);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}
.section-head h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin: 18px 0 12px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.section-head p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.75;
}
.band-alt {
    background: linear-gradient(180deg, rgba(13,21,36,0.5), rgba(7,12,20,0.3));
    border-top: 1px solid rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

/* ===== 三列组件 ===== */
.feature-card {
    position: relative;
    height: 100%;
    padding: 34px 28px 30px;
    background: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255,255,255,0.08);
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,232,156,0.35);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 26px rgba(0,232,156,0.12), inset 0 1px 0 rgba(255,255,255,0.1);
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(0,232,156,0.1);
    border: 1px solid rgba(0,232,156,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: var(--accent-green);
    box-shadow: 0 0 18px rgba(0,232,156,0.15);
}
.feature-icon svg {
    width: 32px;
    height: 32px;
}
.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}
.feature-list {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
}
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.91rem;
    padding: 5px 0;
}
.feature-list li svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 4px;
    color: var(--accent-green);
}

/* ===== 流程 ===== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.process-step {
    position: relative;
    text-align: center;
    padding: 28px 20px;
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.process-step:hover {
    transform: translateY(-5px);
    border-color: rgba(0,232,156,0.35);
    background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
}
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -16px;
    top: 50%;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0,232,156,0.4), transparent);
    z-index: 1;
}
.step-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(0,232,156,0.1);
    border: 1px solid rgba(0,232,156,0.28);
    color: var(--accent-green);
    font-size: 1.15rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 0 18px rgba(0,232,156,0.14);
}
.process-step h3 {
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}
.process-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 0;
}

/* ===== 场景 ===== */
.scenario-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 72px;
}
.scenario-row:last-child {
    margin-bottom: 0;
}
.scenario-media {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-panel);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--glass-border);
    min-height: 260px;
}
.scenario-media img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.scenario-row:hover .scenario-media img {
    transform: scale(1.03);
}
.scenario-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(7,12,20,0.12), transparent);
}
.scenario-text {
    padding: 10px 0;
}
.scenario-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.16);
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.scenario-text h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    line-height: 1.3;
}
.scenario-text p {
    color: var(--text-secondary);
    font-size: 0.97rem;
    line-height: 1.75;
    margin-bottom: 18px;
}
.scenario-points {
    list-style: none;
    padding: 0;
    margin: 0;
}
.scenario-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-primary);
    font-size: 0.93rem;
    padding: 6px 0;
    opacity: 0.9;
}
.scenario-points li svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 4px;
    color: var(--accent-green);
}

/* ===== FAQ 手风琴 ===== */
.faq-wrapper {
    max-width: 860px;
    margin: 0 auto;
}
.accordion-item {
    background: linear-gradient(145deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.accordion-item:hover {
    border-color: rgba(0,232,156,0.28);
    box-shadow: 0 8px 28px rgba(0,0,0,0.28), 0 0 18px rgba(0,232,156,0.06);
}
.accordion-button {
    background: transparent;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 22px 24px;
    box-shadow: none;
    border-radius: 0;
    transition: background 0.25s ease, color 0.25s ease;
}
.accordion-button:hover {
    background: rgba(255,255,255,0.04);
}
.accordion-button:not(.collapsed) {
    background: rgba(0,232,156,0.06);
    color: var(--accent-green);
    box-shadow: inset 0 -1px 0 rgba(255,255,255,0.05);
}
.accordion-button:focus {
    box-shadow: 0 0 0 4px rgba(0,232,156,0.14);
    outline: none;
}
.accordion-button::after {
    background-image: none;
    content: '+';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--accent-green);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    transition: all 0.3s ease;
    transform: none;
}
.accordion-button:not(.collapsed)::after {
    content: '−';
    background-color: rgba(0,232,156,0.18);
    border-color: rgba(0,232,156,0.45);
    color: var(--accent-green);
}
.accordion-body {
    padding: 0 26px 26px;
    color: var(--text-secondary);
    font-size: 0.97rem;
    line-height: 1.8;
}
.accordion-collapse.show .accordion-body {
    animation: fadeUp 0.45s ease both;
}
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CTA ===== */
.cta-band {
    position: relative;
    isolation: isolate;
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(14,24,48,0.95), rgba(25,35,72,0.9));
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 60% 70% at 50% 40%, rgba(35,104,255,0.25), transparent 70%);
}
.cta-band h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}
.cta-band p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 36px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
    background: #060A12;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 72px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-brand-text::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 14px rgba(0,232,156,0.6);
}
.footer-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 0;
    max-width: 360px;
}
.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--accent-green);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(0,232,156,0.4);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
    color: var(--accent-green);
    padding-left: 6px;
}
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 14px;
    line-height: 1.6;
}
.footer-contact-list svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    color: var(--accent-green);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 22px 0;
    text-align: center;
    color: rgba(234,240,250,0.55);
    font-size: 0.88rem;
    letter-spacing: 0.02em;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .main-nav {
        display: none;
    }
    .nav-cta {
        display: none;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .page-hero {
        min-height: 55vh;
    }
    .page-hero h1 {
        font-size: 2.1rem;
    }
    .section {
        padding: 80px 0;
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-step:nth-child(2)::after {
        display: none;
    }
    .process-step:nth-child(3)::after {
        display: none;
    }
    .scenario-row {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 56px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 767px) {
    .page-hero {
        padding-top: 120px;
        min-height: 50vh;
    }
    .page-hero h1 {
        font-size: 1.8rem;
    }
    .page-hero-sub {
        font-size: 0.98rem;
    }
    .hero-metrics {
        gap: 28px;
    }
    .section-head h2 {
        font-size: 1.6rem;
    }
    .section-head p {
        font-size: 0.95rem;
    }
    .feature-card {
        padding: 26px 20px;
    }
    .scenario-media img {
        height: 240px;
    }
    .process-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .process-step::after {
        display: none;
    }
    .process-step {
        padding: 20px 16px;
    }
    .accordion-button {
        font-size: 0.98rem;
        padding: 18px 18px;
    }
    .accordion-body {
        padding: 0 18px 20px;
    }
    .cta-band {
        padding: 70px 0;
    }
    .cta-band h2 {
        font-size: 1.7rem;
    }
    .cta-actions .btn {
        width: 100%;
        max-width: 320px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-desc {
        max-width: 100%;
    }
}
@media (max-width: 576px) {
    .page-hero {
        padding: 110px 0 70px;
    }
    .page-hero h1 {
        font-size: 1.55rem;
    }
    .page-hero-sub {
        font-size: 0.93rem;
        line-height: 1.65;
    }
    .hero-metrics {
        gap: 20px;
    }
    .hero-metric strong {
        font-size: 1.3rem;
    }
    .hero-metric span {
        font-size: 0.8rem;
    }
    .section {
        padding: 64px 0;
    }
    .section-head {
        margin-bottom: 38px;
    }
    .scenario-media img {
        height: 200px;
    }
}