/* roulang page: index */
:root {
            --primary-dark: #0A192F;
            --primary-deep: #0E2A47;
            --accent-green: #2DE1A7;
            --accent-orange: #FFB347;
            --light-mist: #F4F7FB;
            --ink-gray: #2D3E50;
            --bg-body: #0B1220;
            --bg-card: #0F1B2D;
            --bg-surface: #16273D;
            --text-white: #F4F7FB;
            --text-gray: rgba(244, 247, 251, 0.7);
            --text-muted: rgba(244, 247, 251, 0.5);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.24);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(45, 225, 167, 0.08);
            --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.2);
            --space-section: 100px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-white);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-gray);
            margin-bottom: 48px;
            max-width: 640px;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head .section-subtitle {
            margin-bottom: 0;
        }

        .section-head.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-gradient {
            background: linear-gradient(135deg, var(--accent-green) 0%, #7DF2CE 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .divider {
            width: 64px;
            height: 3px;
            background: var(--accent-green);
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .btn-primary {
            background: var(--accent-green);
            color: #0A192F;
        }

        .btn-primary:hover {
            background: #45E9B8;
            color: #0A192F;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 225, 167, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(45, 225, 167, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(45, 225, 167, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(45, 225, 167, 0.6);
            color: var(--text-white);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: rgba(45, 225, 167, 0.12);
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(45, 225, 167, 0.3);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            line-height: 1.4;
            background: rgba(45, 225, 167, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(45, 225, 167, 0.25);
        }

        .tag-orange {
            background: rgba(255, 179, 71, 0.12);
            color: var(--accent-orange);
            border-color: rgba(255, 179, 71, 0.25);
        }

        .tag-light {
            background: rgba(244, 247, 251, 0.1);
            color: var(--text-white);
            border-color: rgba(244, 247, 251, 0.15);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 18, 32, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.94);
            box-shadow: var(--shadow-nav);
            border-bottom-color: rgba(255, 255, 255, 0.12);
        }

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

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(45, 225, 167, 0.3), transparent 60%), radial-gradient(circle, var(--primary-deep) 0%, transparent 70%);
            border: 2px solid rgba(45, 225, 167, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .brand-logo::before {
            content: "";
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 12px rgba(45, 225, 167, 0.6);
        }

        .brand-logo::after {
            content: "";
            position: absolute;
            width: 30px;
            height: 30px;
            border: 1.5px solid rgba(45, 225, 167, 0.3);
            border-radius: 50%;
            top: 3px;
            left: 3px;
        }

        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-name span {
            color: var(--accent-green);
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(244, 247, 251, 0.85);
            padding: 8px 18px !important;
            border-radius: var(--radius-pill);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent-green);
            background: rgba(45, 225, 167, 0.06);
        }

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-green);
            border-radius: var(--radius-pill);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-gray);
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-search:hover {
            border-color: rgba(45, 225, 167, 0.4);
            color: var(--accent-green);
            background: rgba(45, 225, 167, 0.08);
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(45, 225, 167, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28244, 247, 251, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 160px 0 0;
            background: linear-gradient(135deg, rgba(10, 25, 47, 0.92) 0%, rgba(14, 42, 71, 0.88) 50%, rgba(11, 18, 32, 0.92) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            top: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(45, 225, 167, 0.12) 0%, transparent 60%);
            border-radius: 50%;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: rgba(45, 225, 167, 0.1);
            border: 1px solid rgba(45, 225, 167, 0.3);
            color: var(--accent-green);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero h1 .highlight {
            color: var(--accent-green);
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-gray);
        }

        .hero-trust span i {
            color: var(--accent-green);
            font-size: 13px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            background: var(--bg-surface);
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
            transition: var(--transition);
        }

        .hero-visual:hover img {
            opacity: 0.9;
            transform: scale(1.03);
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 25, 47, 0.2) 0%, rgba(45, 225, 167, 0.05) 100%);
        }

        .hero-stats {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 80px;
        }

        .stat-card {
            background: rgba(15, 27, 45, 0.75);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: "";
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            border: 2px solid rgba(45, 225, 167, 0.08);
            border-radius: 50%;
        }

        .stat-card:hover {
            border-color: rgba(45, 225, 167, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            font-family: "Inter", "DIN Alternate", sans-serif;
            color: var(--accent-green);
            display: block;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-gray);
            letter-spacing: 0.5px;
        }

        /* ===== 品牌理念 ===== */
        .brand-story {
            background: linear-gradient(180deg, var(--bg-body) 0%, #0D1628 100%);
            padding: var(--space-section) 0;
            position: relative;
        }

        .brand-story .brand-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 32px;
            letter-spacing: -0.5px;
        }

        .brand-line {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .brand-line:hover {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(45, 225, 167, 0.15);
        }

        .brand-line-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 50%;
            background: rgba(45, 225, 167, 0.12);
            border: 1px solid rgba(45, 225, 167, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
            font-size: 14px;
        }

        .brand-line-text {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .brand-line-text strong {
            color: var(--text-white);
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            font-size: 16px;
        }

        .story-card {
            background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-card) 100%);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .story-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border: 2px solid rgba(45, 225, 167, 0.1);
            border-radius: 50%;
        }

        .story-card::after {
            content: "";
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 100px;
            height: 100px;
            border: 1.5px solid rgba(45, 225, 167, 0.06);
            border-radius: 50%;
        }

        .story-card .story-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(45, 225, 167, 0.2) 0%, rgba(45, 225, 167, 0.05) 100%);
            border: 1px solid rgba(45, 225, 167, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-green);
            margin-bottom: 24px;
        }

        .story-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .story-card p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .story-card .story-link {
            color: var(--accent-green);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }

        .story-card .story-link:hover {
            gap: 10px;
        }

        /* ===== 精选内容 ===== */
        .featured {
            background: var(--bg-body);
            padding: var(--space-section) 0;
        }

        .featured-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(45, 225, 167, 0.2);
        }

        .featured-card .card-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .featured-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .featured-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .card-cover .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 18, 32, 0.6) 100%);
        }

        .card-cover .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .featured-card .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .featured-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .featured-card .card-title:hover {
            color: var(--accent-green);
        }

        .featured-card .card-excerpt {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .featured-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-green);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .featured-card .card-link:hover {
            gap: 10px;
            color: #45E9B8;
        }

        /* ===== 最新信息 ===== */
        .latest {
            background: linear-gradient(180deg, var(--bg-body) 0%, #0D1628 100%);
            padding: var(--space-section) 0;
            position: relative;
        }

        .latest-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .list-card {
            display: flex;
            align-items: center;
            gap: 28px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 24px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .list-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--accent-green);
            border-radius: 0 3px 3px 0;
            opacity: 0;
            transition: var(--transition);
        }

        .list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(45, 225, 167, 0.2);
            background: var(--bg-surface);
        }

        .list-card:hover::before {
            opacity: 1;
        }

        .date-badge {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: var(--radius-md);
            background: var(--light-mist);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            border: 1px solid rgba(10, 25, 47, 0.1);
        }

        .date-badge .day {
            font-size: 26px;
            font-weight: 800;
            font-family: "Inter", "DIN Alternate", sans-serif;
            color: var(--primary-dark);
            line-height: 1;
        }

        .date-badge .month {
            font-size: 13px;
            color: var(--ink-gray);
            font-weight: 500;
            line-height: 1.2;
            margin-top: 4px;
        }

        .list-content {
            flex: 1;
            min-width: 0;
        }

        .list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .date-text {
            font-size: 13px;
            color: var(--text-muted);
            font-family: "Inter", sans-serif;
        }

        .list-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .list-content p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .list-card:hover .read-more {
            gap: 10px;
        }

        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 64px 32px;
            border: 2px dashed rgba(45, 225, 167, 0.2);
            border-radius: var(--radius-md);
            background: rgba(15, 27, 45, 0.4);
        }

        .empty-state .empty-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(45, 225, 167, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: rgba(45, 225, 167, 0.5);
            margin-bottom: 16px;
        }

        .empty-state p {
            font-size: 15px;
            color: var(--text-gray);
        }

        /* ===== 信任背书 ===== */
        .trust {
            padding: var(--space-section) 0;
            position: relative;
            background: var(--bg-body);
            overflow: hidden;
        }

        .trust::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

        .trust .container {
            position: relative;
            z-index: 1;
        }

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

        .trust-card {
            background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-card) 100%);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .trust-card::before {
            content: "";
            position: absolute;
            top: -20px;
            left: -20px;
            width: 60px;
            height: 60px;
            border: 1.5px solid rgba(45, 225, 167, 0.08);
            border-radius: 50%;
        }

        .trust-card:hover {
            transform: translateY(-4px);
            border-color: rgba(45, 225, 167, 0.25);
            box-shadow: var(--shadow-hover);
        }

        .trust-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: rgba(45, 225, 167, 0.08);
            border: 1px solid rgba(45, 225, 167, 0.15);
            color: var(--accent-green);
        }

        .trust-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .trust-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--light-mist);
            position: relative;
        }

        .faq-section .section-title {
            color: var(--primary-dark);
        }

        .faq-section .section-subtitle {
            color: var(--ink-gray);
        }

        .faq-section .divider {
            background: var(--accent-green);
        }

        .accordion-item {
            background: #FFFFFF;
            border: 1px solid rgba(10, 25, 47, 0.1);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(10, 25, 47, 0.04);
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: #FFFFFF;
            color: var(--primary-dark);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 28px;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary-dark);
            background: rgba(45, 225, 167, 0.06);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(45, 225, 167, 0.2);
            border-radius: var(--radius-md);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230A192F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230A192F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 8px 28px 24px;
            font-size: 15px;
            color: var(--ink-gray);
            line-height: 1.8;
            border-top: 1px solid rgba(10, 25, 47, 0.06);
        }

        /* ===== CTA 订阅 ===== */
        .cta-subscribe {
            padding: var(--space-section) 0;
            background: var(--bg-body);
        }

        .cta-box {
            background: linear-gradient(135deg, #0A192F 0%, #1B2A4A 50%, rgba(45, 225, 167, 0.15) 100%);
            border-radius: var(--radius-lg);
            padding: 72px 64px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(45, 225, 167, 0.12);
            text-align: center;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border: 2px solid rgba(45, 225, 167, 0.1);
            border-radius: 50%;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border: 1.5px solid rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-gray);
            margin-bottom: 36px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            color: var(--text-white);
            padding: 14px 20px;
            font-size: 15px;
            transition: var(--transition);
            height: auto;
        }

        .form-control::placeholder {
            color: rgba(244, 247, 251, 0.4);
        }

        .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent-green);
            box-shadow: 0 0 0 4px rgba(45, 225, 167, 0.15);
            color: var(--text-white);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #08101E;
            padding: 72px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .brand-name {
            margin-bottom: 16px;
            display: block;
        }

        .footer-about {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-gray);
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--accent-green);
            transform: translateX(3px);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 14px;
        }

        .footer-contact li i {
            width: 32px;
            height: 32px;
            min-width: 32px;
            border-radius: 50%;
            background: rgba(45, 225, 167, 0.08);
            border: 1px solid rgba(45, 225, 167, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--accent-green);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .legal {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .legal a {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .section {
                --space-section: 80px;
            }

            .hero {
                min-height: auto;
                padding: 140px 0 80px;
            }

            .hero h1 {
                font-size: 40px;
            }

            .hero-visual {
                min-height: 300px;
                margin-top: 48px;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                margin-top: 56px;
            }

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

            .cta-box {
                padding: 56px 32px;
            }

            .navbar-collapse {
                background: rgba(11, 18, 32, 0.97);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-light);
            }

            .nav-actions {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
                justify-content: center;
            }
        }

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

            .section-title {
                font-size: 28px;
            }

            .hero {
                padding-top: 120px;
            }

            .hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }

            .hero-subtitle {
                font-size: 16px;
            }

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

            .hero-stats .stat-card:last-child {
                grid-column: 1 / -1;
            }

            .stat-number {
                font-size: 28px;
            }

            .brand-title {
                font-size: 30px;
            }

            .brand-story .story-card {
                min-height: auto;
            }

            .list-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 20px;
            }

            .date-badge {
                width: 56px;
                height: 56px;
                flex-direction: row;
                gap: 6px;
            }

            .date-badge .day {
                font-size: 20px;
            }

            .date-badge .month {
                margin-top: 0;
            }

            .list-content h3 {
                white-space: normal;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding-top: 110px;
                padding-bottom: 56px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

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

            .hero-trust {
                gap: 12px;
                justify-content: flex-start;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

            .hero-stats .stat-card:last-child {
                grid-column: auto;
            }

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

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .navbar-brand .brand-name {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #2DE1A7;
    --primary-rgb: 45, 225, 167;
    --deep-blue: #0A192F;
    --deep-blue-2: #0E2A47;
    --bg-dark: #0B1220;
    --card-bg: #0F1B2D;
    --surface: #16273D;
    --text-light: #F4F7FB;
    --text-body: rgba(244,247,251,0.85);
    --text-muted: #8BA0B8;
    --border-color: rgba(255,255,255,0.08);
    --amber: #FFB347;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 8px rgba(0,0,0,0.24);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(45,225,167,0.08);
    --shadow-nav: 0 4px 20px rgba(0,0,0,0.2);
    --transition: all 0.3s ease;
    --font-main: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-body);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
.container { max-width: 1200px; }
section { position: relative; }
.page-hero {
    min-height: 360px;
    padding: 160px 0 70px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(10,25,47,0.92) 0%, rgba(14,42,71,0.85) 55%, rgba(45,225,167,0.12) 100%),
        url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    border-bottom: 1px solid var(--border-color);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .45rem 1.1rem;
    border: 1px solid rgba(45,225,167,0.4);
    border-radius: 999px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    background: rgba(45,225,167,0.08);
    margin-bottom: 1.2rem;
}
.page-hero h1 {
    color: #fff;
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.page-hero h1 span { color: var(--primary); }
.page-hero .lead {
    color: rgba(244,247,251,0.85);
    font-size: 16px;
    max-width: 640px;
    margin-bottom: 1.8rem;
}
.hero-actions .btn-primary {
    background: var(--primary);
    color: #0A192F;
    border: none;
    padding: .7rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}
.hero-actions .btn-primary:hover {
    background: #4BeDBF;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45,225,167,0.3);
    color: #0A192F;
}
.hero-actions .btn-outline-green {
    background: transparent;
    border: 1px solid var(--primary);
    color: #fff;
    padding: .7rem 1.8rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
}
.hero-actions .btn-outline-green:hover {
    background: rgba(45,225,167,0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}
/* 站点导航 */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1050;
    background: rgba(11,18,32,0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(11,18,32,0.94);
    box-shadow: var(--shadow-nav);
    border-bottom-color: rgba(255,255,255,0.05);
}
.navbar { padding: .9rem 0; }
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: #fff;
}
.brand-logo {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45,225,167,0.2) 0%, rgba(45,225,167,0.05) 60%);
    border: 1px solid rgba(45,225,167,0.5);
    position: relative;
    display: inline-block;
}
.brand-logo::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 8px; height: 8px;
    background: var(--primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px rgba(45,225,167,0.6);
}
.brand-logo::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 18px; height: 18px;
    border: 1px solid rgba(45,225,167,0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .5px;
    color: #fff;
    line-height: 1.2;
}
.brand-name span { color: var(--primary); }
.navbar-nav .nav-link {
    color: rgba(244,247,251,0.75);
    font-size: 14px;
    font-weight: 500;
    padding: .5rem 1.2rem;
    position: relative;
    transition: var(--transition);
}
.navbar-nav .nav-link:hover { color: var(--primary); }
.navbar-nav .nav-link.active {
    color: var(--primary);
}
.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    left: 1.2rem; right: 1.2rem; bottom: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: .8rem; }
.nav-search {
    background: none;
    border: none;
    color: rgba(244,247,251,0.85);
    font-size: 16px;
    padding: .4rem .7rem;
    border-radius: 50%;
    transition: var(--transition);
}
.nav-search:hover { color: var(--primary); background: rgba(255,255,255,0.06); }
.btn-login {
    background: var(--primary);
    color: #0A192F;
    border: none;
    padding: .45rem 1.3rem;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-login:hover { background: #4BeDBF; color: #0A192F; transform: translateY(-1px); }
.navbar-toggler {
    border: 1px solid rgba(255,255,255,0.3);
    padding: .3rem .6rem;
    border-radius: 8px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(45,225,167,0.3); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 992px) {
    .navbar-collapse {
        background: rgba(11,18,32,0.97);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: 16px;
        padding: 1rem 1.2rem;
        margin-top: .8rem;
        box-shadow: var(--shadow-nav);
    }
    .navbar-nav .nav-link { padding: .6rem 0; }
    .navbar-nav .nav-link.active::after { display: none; }
    .nav-actions { margin-top: .6rem; padding-top: .6rem; border-top: 1px solid rgba(255,255,255,0.06); }
}
/* 板块标题 */
.section-head { text-align: center; max-width: 760px; margin: 0 auto 3rem; }
.section-head .tag-line {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: .5rem;
    display: block;
}
.section-head h2 { color: #fff; font-size: 34px; font-weight: 600; line-height: 1.3; margin-bottom: .8rem; }
.section-head p { color: var(--text-muted); font-size: 15px; max-width: 620px; margin: 0 auto; }
/* 快速上手 */
.quick-start { padding: 96px 0; background: var(--bg-dark); }
.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.6rem;
    height: 100%;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}
.step-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), rgba(45,225,167,0.2));
    opacity: 0;
    transition: var(--transition);
}
.step-card:hover { background: var(--surface); border-color: rgba(45,225,167,0.25); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-card:hover::before { opacity: 1; }
.step-num {
    font-size: 42px;
    font-weight: 700;
    color: rgba(45,225,167,0.45);
    line-height: 1;
    margin-bottom: 1rem;
    font-family: "Inter", "DIN Alternate", sans-serif;
    display: block;
}
.step-card h3 { color: #fff; font-size: 19px; font-weight: 600; margin-bottom: .6rem; }
.step-card p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin: 0; }
/* 核心能力 */
.capabilities { padding: 96px 0; background: rgba(14,42,71,0.35); border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04); }
.cap-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}
.cap-card:hover { border-color: rgba(45,225,167,0.3); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.cap-card .cap-img { height: 200px; overflow: hidden; position: relative; }
.cap-card .cap-img img { width: 100%; height: 100%; object-fit: cover; }
.cap-card .cap-img::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15,27,45,0.9) 100%);
}
.cap-body { padding: 1.6rem 1.6rem 1.8rem; position: relative; }
.cap-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(45,225,167,0.12);
    border: 1px solid rgba(45,225,167,0.3);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    font-size: 18px;
    margin-bottom: 1rem;
}
.cap-body h3 { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: .5rem; }
.cap-body p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin: 0; }
/* 适用场景 */
.scenarios { padding: 96px 0; background: var(--bg-dark); }
.scenario-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.4rem;
    height: 100%;
    transition: var(--transition);
}
.scenario-wrap:hover { border-color: rgba(45,225,167,0.25); box-shadow: var(--shadow-hover); }
.scenario-wrap h3 { color: #fff; font-size: 22px; font-weight: 600; margin-bottom: 1rem; }
.scenario-wrap p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.scenario-list { list-style: none; padding: 0; margin: 0; }
.scenario-list li {
    display: flex;
    align-items: flex-start;
    gap: .8rem;
    padding: .8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: rgba(244,247,251,0.85);
    font-size: 15px;
}
.scenario-list li:last-child { border-bottom: none; }
.scenario-list li i { color: var(--primary); margin-top: .3rem; }
/* 实用指南栅格 */
.guide-grid-section { padding: 96px 0; background: rgba(14,42,71,0.25); border-top: 1px solid rgba(255,255,255,0.04); }
.guide-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(45,225,167,0.3); }
.guide-card .card-img-top { height: 150px; object-fit: cover; }
.guide-card .card-body { padding: 1.4rem 1.5rem 1.6rem; }
.guide-card .guide-tag {
    display: inline-block;
    background: rgba(45,225,167,0.1);
    border: 1px solid rgba(45,225,167,0.25);
    color: var(--primary);
    font-size: 12px;
    padding: .2rem .8rem;
    border-radius: 999px;
    margin-bottom: .7rem;
    font-weight: 500;
}
.guide-card h3 { color: #fff; font-size: 17px; font-weight: 600; margin-bottom: .45rem; }
.guide-card p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.guide-link { color: var(--primary); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: .4rem; transition: var(--transition); }
.guide-link:hover { gap: .7rem; color: var(--primary); }
/* 分页器 */
.pagination-wrap { text-align: center; margin-top: 2.5rem; }
.pagination { justify-content: center; gap: .4rem; }
.page-link {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-body);
    border-radius: 999px !important;
    padding: .5rem 1rem;
    min-width: 40px;
    text-align: center;
    font-size: 14px;
    transition: var(--transition);
}
.page-link:hover { background: rgba(45,225,167,0.1); border-color: var(--primary); color: var(--primary); }
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #0A192F; font-weight: 600; }
.page-item.disabled .page-link { background: var(--card-bg); border-color: var(--border-color); color: var(--text-muted); opacity: .6; }
/* FAQ */
.faq-section { padding: 96px 0; background: var(--bg-dark); }
.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.active { border-color: rgba(45,225,167,0.35); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }
.faq-header {
    width: 100%;
    background: none;
    border: none;
    padding: 1.2rem 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}
.faq-header:hover { color: var(--primary); }
.faq-header .faq-icon {
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-item.active .faq-icon { border-color: var(--primary); color: var(--primary); transform: rotate(45deg); }
.faq-body { padding: 0 1.4rem 1.3rem; color: var(--text-muted); font-size: 14px; line-height: 1.8; }
.faq-body p { margin: 0; }
/* CTA */
.cta-section { padding: 0 0 96px; background: var(--bg-dark); }
.cta-card {
    background: linear-gradient(135deg, #0A192F 0%, #1B2A4A 60%, rgba(45,225,167,0.15) 100%);
    border: 1px solid rgba(45,225,167,0.2);
    border-radius: var(--radius-lg);
    padding: 3.5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 180px; height: 180px;
    border-radius: 50%;
    border: 2px solid rgba(45,225,167,0.2);
    box-shadow: 0 0 60px rgba(45,225,167,0.08);
}
.cta-card h2 { color: #fff; font-size: 30px; font-weight: 600; margin-bottom: .8rem; }
.cta-card p { color: rgba(244,247,251,0.75); font-size: 15px; max-width: 520px; margin: 0 auto 1.8rem; }
.cta-card .btn-primary {
    background: var(--primary); color: #0A192F;
    border: none; padding: .8rem 2.2rem;
    border-radius: 999px; font-weight: 600; font-size: 16px;
    transition: var(--transition);
}
.cta-card .btn-primary:hover { background: #4BeDBF; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,225,167,0.3); }
/* 页脚 */
.site-footer {
    background: #08101E;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 70px 0 0;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-about {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 1rem;
    margin-bottom: 0;
    max-width: 320px;
}
.footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 1.2rem;
    letter-spacing: .5px;
}
.footer-links, .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li, .footer-contact li { margin-bottom: .6rem; }
.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact li { color: var(--text-muted); font-size: 14px; display: flex; align-items: center; gap: .6rem; }
.footer-contact i { color: var(--primary); font-size: 14px; width: 16px; }
.footer-bottom {
    margin-top: 50px;
    padding: 1.2rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .8rem;
}
.footer-bottom .copyright { color: var(--text-muted); font-size: 13px; }
.footer-bottom .legal { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.footer-bottom .legal a {
    color: var(--text-muted); font-size: 13px;
    transition: var(--transition);
}
.footer-bottom .legal a:hover { color: var(--primary); }
.footer-bottom .text-muted { color: var(--text-muted); }
@media (max-width: 768px) {
    .page-hero { min-height: auto; padding: 130px 0 50px; }
    .page-hero h1 { font-size: 28px; }
    .section-head h2 { font-size: 24px; }
    .quick-start, .capabilities, .scenarios, .guide-grid-section, .faq-section, .cta-section { padding: 64px 0; }
    .cta-card { padding: 2rem 1.5rem; }
    .cta-card h2 { font-size: 24px; }
    .scenario-wrap { padding: 1.6rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 576px) {
    .page-hero { padding: 120px 0 40px; }
    .page-hero h1 { font-size: 26px; }
    .hero-actions .btn-primary, .hero-actions .btn-outline-green { display: block; width: 100%; margin-bottom: .6rem; }
    .step-num { font-size: 34px; }
    .cap-card .cap-img { height: 150px; }
}

/* roulang page: article */
:root {
            --primary-dark: #0A192F;
            --primary-deep: #08101E;
            --primary-mid: #0E2A47;
            --surface: #0F1B2D;
            --surface-light: #16273D;
            --accent: #2DE1A7;
            --accent-hover: #5CE8BC;
            --accent-glow: rgba(45, 225, 167, 0.15);
            --amber: #FFB347;
            --text-main: #F4F7FB;
            --text-body: #B8C7DA;
            --text-muted: #6E849C;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: #2D3E50;
            --radius-large: 24px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 16px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.24);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(45, 225, 167, 0.08);
            --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.2);
            --section-gap: 100px;
            --section-gap-mobile: 64px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            background: #0B1220;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-main);
            line-height: 1.3;
            font-weight: 600;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(45, 225, 167, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--accent);
            color: var(--text-main);
        }
        .btn-outline:hover {
            background: rgba(45, 225, 167, 0.1);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px var(--accent);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 18, 32, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.93);
            box-shadow: var(--shadow-nav);
            border-bottom-color: rgba(45, 225, 167, 0.15);
        }
        .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            position: relative;
            display: inline-block;
            flex-shrink: 0;
        }
        .brand-logo::before {
            content: "";
            position: absolute;
            inset: 5px;
            border-radius: 50%;
            border: 2px solid var(--primary-dark);
            border-right-color: transparent;
            animation: spin 8s linear infinite;
        }
        .brand-logo::after {
            content: "";
            position: absolute;
            inset: 13px;
            border-radius: 50%;
            background: var(--primary-dark);
        }
        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }
        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .brand-name span {
            color: var(--accent);
        }
        .navbar-nav .nav-link {
            color: rgba(244, 247, 251, 0.8);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px !important;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
            border-radius: 8px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--accent);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent);
        }
        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            background: transparent;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }
        .nav-search:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 8px 12px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28245,247,251,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(45, 225, 167, 0.25);
        }
        .post-hero {
            position: relative;
            padding: 160px 0 70px;
            background-size: cover !important;
            background-position: center !important;
            min-height: 380px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
        }
        .post-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 25, 47, 0.97) 35%, rgba(11, 18, 32, 0.88) 100%);
            z-index: 1;
        }
        .post-hero .container {
            position: relative;
            z-index: 2;
        }
        .crumbs {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 22px;
            background: rgba(11, 18, 32, 0.55);
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            width: fit-content;
        }
        .crumbs a {
            color: var(--text-muted);
            transition: color 0.2s;
        }
        .crumbs a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .crumbs .sep {
            color: var(--border-strong);
        }
        .crumbs .current {
            color: var(--accent);
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .post-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
            max-width: 900px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 18px;
            max-width: 640px;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--accent);
            font-size: 14px;
        }
        .post-main {
            padding: 80px 0 100px;
            background: #0B1220;
        }
        .post-layout {
            max-width: 780px;
            margin: 0 auto;
        }
        .post-content {
            background: rgba(15, 27, 45, 0.72);
            border: 1px solid var(--border);
            border-radius: var(--radius-large);
            padding: 52px 56px;
            box-shadow: var(--shadow-card);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 2.2rem 0 1rem;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
        }
        .article-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(45, 225, 167, 0.06);
            padding: 18px 24px;
            border-radius: 0 16px 16px 0;
            margin: 1.8rem 0;
            color: var(--text-main);
        }
        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-card);
            margin: 1.6rem 0;
            box-shadow: var(--shadow-card);
            background: var(--surface-light);
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.4rem;
            margin: 1.2rem 0;
        }
        .article-content li {
            margin-bottom: 0.6rem;
        }
        .article-content code {
            background: var(--primary-deep);
            border-radius: 6px;
            padding: 3px 10px;
            color: var(--accent);
            font-family: "JetBrains Mono", "Fira Code", monospace;
            font-size: 0.9em;
        }
        .article-content pre {
            background: var(--primary-deep);
            border: 1px solid var(--border-strong);
            border-radius: 14px;
            padding: 20px;
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-content th {
            background: var(--primary-mid);
            color: var(--text-main);
            font-weight: 600;
        }
        .article-content a {
            color: var(--accent);
            border-bottom: 1px solid transparent;
        }
        .article-content a:hover {
            border-bottom-color: var(--accent);
        }
        .post-footer-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 179, 71, 0.12);
            color: var(--amber);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
            line-height: 1.5;
        }
        .post-updated {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .post-updated i {
            color: var(--accent);
        }
        .post-back {
            margin-top: 40px;
            text-align: center;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.25s ease;
        }
        .back-link:hover {
            color: var(--accent);
            gap: 12px;
        }
        .not-found-card {
            text-align: center;
            padding: 80px 40px;
            background: var(--surface);
            border: 1px dashed var(--border-strong);
            border-radius: var(--radius-large);
        }
        .not-found-card i {
            font-size: 52px;
            color: var(--accent);
            margin-bottom: 20px;
            display: inline-block;
        }
        .not-found-card h2 {
            font-size: 28px;
            margin-bottom: 14px;
        }
        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .related-posts {
            margin-top: 90px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 36px;
            position: relative;
            padding-bottom: 14px;
        }
        .section-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(45, 225, 167, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .related-img {
            background: var(--surface-light);
            overflow: hidden;
        }
        .related-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-img img {
            transform: scale(1.04);
        }
        .related-body {
            padding: 24px;
        }
        .related-body .tag {
            margin-bottom: 12px;
        }
        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .related-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-link {
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }
        .related-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .cta-section {
            padding: 0 0 var(--section-gap);
            background: #0B1220;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 55%, rgba(45, 225, 167, 0.08) 100%);
            border: 1px solid rgba(45, 225, 167, 0.2);
            border-radius: var(--radius-large);
            padding: 56px 60px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .cta-card::before {
            content: "";
            position: absolute;
            right: -90px;
            top: -90px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(45, 225, 167, 0.15), transparent 70%);
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-card p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 15px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: flex-start;
        }
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 72px 0 0;
        }
        .footer-brand {
            margin-bottom: 18px;
        }
        .footer-about {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
            font-size: 14px;
        }
        .footer-bottom {
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .legal {
            display: flex;
            gap: 18px;
            align-items: center;
        }
        .legal a {
            color: var(--text-muted);
            transition: color 0.2s;
        }
        .legal a:hover {
            color: var(--accent);
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(8, 16, 30, 0.98);
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-nav);
            }
            .navbar-nav {
                gap: 4px;
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
                border-radius: 8px;
            }
            .navbar-nav .nav-link:hover {
                background: rgba(45, 225, 167, 0.08);
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(45, 225, 167, 0.1);
            }
            .nav-actions {
                margin-top: 14px;
                padding-top: 14px;
                border-top: 1px solid var(--border);
                justify-content: flex-start;
            }
            .post-hero {
                padding: 140px 0 50px;
                min-height: 320px;
            }
            .post-title {
                font-size: 34px;
            }
            .cta-card {
                padding: 40px 30px;
            }
            .cta-card h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .post-hero {
                padding: 130px 0 44px;
            }
            .post-title {
                font-size: 28px;
            }
            .crumbs .current {
                max-width: 200px;
            }
            .post-content {
                padding: 28px 22px;
                border-radius: 20px;
            }
            .post-main {
                padding: 56px 0 70px;
            }
            .related-posts {
                margin-top: 56px;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-section {
                padding: 0 0 70px;
            }
            .cta-card {
                padding: 36px 24px;
            }
            .cta-actions {
                margin-top: 18px;
            }
            .site-footer {
                padding: 56px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
                margin-top: 40px;
            }
            .legal {
                flex-wrap: wrap;
                justify-content: center;
                gap: 12px;
            }
        }
        @media (max-width: 575.98px) {
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
            }
            .post-hero {
                min-height: 280px;
            }
            .post-title {
                font-size: 25px;
            }
            .post-meta {
                gap: 14px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h3 {
                font-size: 1.3rem;
            }
            .related-img img {
                height: 150px;
            }
            .related-body {
                padding: 20px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
        --bg-deep: #0B1220;
        --bg-card: #0F1B2D;
        --bg-float: #16273D;
        --brand-blue: #0A192F;
        --brand-deep: #0E2A47;
        --accent: #2DE1A7;
        --accent-rgb: 45, 225, 167;
        --amber: #FFB347;
        --text-light: #F4F7FB;
        --text-muted: #8CA0B3;
        --text-body: #B8C7D9;
        --border-light: rgba(255,255,255,0.08);
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 8px;
        --shadow-card: 0 2px 8px rgba(0,0,0,0.24);
        --shadow-hover: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(45,225,167,0.08);
        --shadow-glass: 0 4px 20px rgba(0,0,0,0.2);
        --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --font-num: "Inter", "DIN Alternate", sans-serif;
        --section-space: 96px;
    }

    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: var(--font-cn);
        background: var(--bg-deep);
        color: var(--text-light);
        font-size: 15px;
        line-height: 1.8;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    button {
        border: none;
        cursor: pointer;
    }
    ::selection {
        background: rgba(45, 225, 167, 0.3);
        color: #fff;
    }
    :focus-visible {
        outline: 3px solid var(--accent);
        outline-offset: 2px;
        border-radius: 4px;
    }
    .container {
        max-width: 1200px;
    }

    /* ---------- Buttons ---------- */
    .btn {
        border-radius: 999px;
        font-weight: 600;
        transition: all .3s ease;
        padding: 12px 28px;
        font-size: 15px;
    }
    .btn-primary {
        background: var(--accent);
        color: #061A2E;
        border: none;
    }
    .btn-primary:hover {
        background: #5AF0C2;
        color: #061A2E;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(45, 225, 167, 0.25);
    }
    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: none;
    }
    .btn-outline {
        background: transparent;
        border: 1px solid var(--accent);
        color: var(--text-light);
    }
    .btn-outline:hover {
        background: rgba(45, 225, 167, 0.1);
        border-color: var(--accent);
        color: var(--accent);
        transform: translateY(-2px);
    }
    .btn-outline:active {
        transform: translateY(1px);
    }

    /* ---------- Header / Nav ---------- */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(11, 18, 32, 0.55);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255,255,255,0.08);
        z-index: 1040;
        transition: background .3s ease, box-shadow .3s ease;
    }
    .site-header.scrolled {
        background: rgba(11, 18, 32, 0.92);
        box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }
    .navbar {
        padding: 14px 0;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 20px;
        color: #fff;
    }
    .navbar-brand:hover {
        color: #fff;
    }
    .brand-logo {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: radial-gradient(circle at 40% 35%, var(--accent) 0, transparent 60%), radial-gradient(circle, rgba(45,225,167,0.15) 0, transparent 70%);
        border: 2px solid rgba(45,225,167,0.6);
        position: relative;
        flex-shrink: 0;
    }
    .brand-logo::before,
    .brand-logo::after {
        content: '';
        position: absolute;
        border-radius: 50%;
        border: 1px solid rgba(45,225,167,0.4);
    }
    .brand-logo::before {
        inset: 4px -4px;
    }
    .brand-logo::after {
        inset: -2px 4px;
        border-color: rgba(45,225,167,0.25);
    }
    .brand-name {
        color: #fff;
        letter-spacing: 0.5px;
    }
    .brand-name span {
        color: var(--accent);
    }

    .navbar-nav .nav-link {
        color: rgba(255,255,255,0.8);
        font-size: 14px;
        font-weight: 500;
        padding: 8px 18px;
        border-radius: 999px;
        transition: color .3s, background .3s;
        position: relative;
    }
    .navbar-nav .nav-link:hover {
        color: var(--accent);
        background: rgba(45,225,167,0.08);
    }
    .navbar-nav .nav-link.active {
        color: var(--accent);
        font-weight: 600;
    }
    .navbar-nav .nav-link.active::after {
        content: '';
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 2px;
        height: 2px;
        border-radius: 2px;
        background: var(--accent);
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .nav-search {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.08);
        border: 1px solid rgba(255,255,255,0.12);
        color: var(--text-light);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: all .3s;
        font-size: 14px;
    }
    .nav-search:hover {
        background: rgba(45,225,167,0.12);
        border-color: rgba(45,225,167,0.4);
        color: var(--accent);
    }
    .site-header .btn-primary {
        padding: 8px 20px;
        font-size: 14px;
        border-radius: 999px;
        background: var(--accent);
        color: #061A2E;
        font-weight: 600;
        border: none;
        transition: all .3s;
        box-shadow: none;
    }
    .site-header .btn-primary:hover {
        background: #5AF0C2;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(45,225,167,0.3);
        color: #061A2E;
    }

    .navbar-toggler {
        border: 1px solid rgba(255,255,255,0.25);
        border-radius: 10px;
        padding: 6px 10px;
        background: transparent;
    }
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    /* ---------- Category Hero ---------- */
    .category-hero {
        position: relative;
        padding: 180px 0 100px;
        background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 60%, rgba(45,225,167,0.08) 100%);
        overflow: hidden;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.22;
        z-index: 0;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(45,225,167,0.12) 0%, transparent 65%);
        z-index: 0;
    }
    .category-hero .container {
        position: relative;
        z-index: 2;
    }
    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(45,225,167,0.1);
        border: 1px solid rgba(45,225,167,0.35);
        color: var(--accent);
        font-size: 13px;
        font-weight: 500;
        padding: 6px 18px;
        border-radius: 999px;
        margin-bottom: 24px;
        letter-spacing: 1px;
    }
    .hero-tag i {
        font-size: 12px;
    }
    .category-hero h1 {
        font-size: 46px;
        font-weight: 700;
        line-height: 1.2;
        margin-bottom: 18px;
        color: #fff;
        letter-spacing: 1px;
    }
    .category-hero h1 span {
        color: var(--accent);
    }
    .category-hero .lead {
        font-size: 17px;
        color: var(--text-body);
        max-width: 640px;
        margin-bottom: 32px;
        line-height: 1.8;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .hero-meta {
        display: flex;
        gap: 24px;
        margin-top: 36px;
        flex-wrap: wrap;
    }
    .hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--text-muted);
        font-size: 13px;
    }
    .hero-meta i {
        color: var(--accent);
    }

    /* ---------- Section Common ---------- */
    .section-space {
        padding: var(--section-space) 0;
    }
    .section-head {
        text-align: center;
        max-width: 680px;
        margin: 0 auto 56px;
    }
    .section-head .section-tag {
        display: inline-block;
        color: var(--accent);
        font-size: 13px;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 10px;
        font-weight: 600;
    }
    .section-head h2 {
        font-size: 34px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .section-head p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.8;
    }

    /* ---------- Capability Cards ---------- */
    .capability-section {
        background: var(--bg-deep);
        padding: 96px 0;
    }
    .capability-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,0.06);
        padding: 24px;
        height: 100%;
        transition: all .35s ease;
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    .capability-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(90deg, var(--accent), transparent);
        opacity: 0;
        transition: opacity .35s;
    }
    .capability-card:hover {
        background: var(--bg-float);
        box-shadow: var(--shadow-hover);
        transform: translateY(-6px);
        border-color: rgba(45,225,167,0.2);
    }
    .capability-card:hover::before {
        opacity: 1;
    }
    .capability-card .card-img-wrap {
        border-radius: var(--radius-md);
        overflow: hidden;
        margin-bottom: 20px;
        height: 180px;
        background: var(--bg-float);
        position: relative;
    }
    .capability-card .card-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }
    .capability-card:hover .card-img-wrap img {
        transform: scale(1.05);
    }
    .capability-card .card-category {
        display: inline-flex;
        align-items: center;
        background: rgba(255,179,71,0.12);
        color: var(--amber);
        font-size: 12px;
        font-weight: 500;
        padding: 4px 12px;
        border-radius: 999px;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .capability-card h3 {
        font-size: 18px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.4;
    }
    .capability-card p {
        color: var(--text-body);
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 16px;
        flex-grow: 1;
    }
    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--accent);
        font-size: 14px;
        font-weight: 500;
        transition: gap .3s;
    }
    .card-link:hover {
        gap: 14px;
        color: var(--accent);
    }
    .card-link i {
        font-size: 13px;
    }

    /* ---------- Pagination ---------- */
    .pagination-wrap {
        margin-top: 56px;
        display: flex;
        justify-content: center;
    }
    .pagination {
        gap: 8px;
        margin: 0;
    }
    .pagination .page-link {
        min-width: 42px;
        height: 42px;
        border-radius: 999px;
        background: var(--bg-card);
        border: 1px solid rgba(255,255,255,0.1);
        color: var(--text-muted);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 12px;
        font-size: 14px;
        font-weight: 500;
        transition: all .3s;
    }
    .pagination .page-link:hover {
        background: rgba(45,225,167,0.1);
        border-color: rgba(45,225,167,0.4);
        color: var(--accent);
    }
    .pagination .page-item.active .page-link {
        background: var(--accent);
        border-color: var(--accent);
        color: #061A2E;
        font-weight: 600;
        box-shadow: 0 4px 16px rgba(45,225,167,0.25);
    }
    .pagination .page-item.disabled .page-link {
        opacity: 0.4;
        pointer-events: none;
    }

    /* ---------- Security Architecture (Light) ---------- */
    .architecture-section {
        background: #F4F7FB;
        padding: 96px 0;
    }
    .architecture-section h2 {
        color: var(--brand-blue);
        font-size: 32px;
        font-weight: 600;
        margin-bottom: 18px;
        line-height: 1.3;
    }
    .architecture-section .arch-lead {
        color: #50657A;
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 28px;
    }
    .arch-points {
        list-style: none;
        padding: 0;
        margin: 0 0 28px;
    }
    .arch-points li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: var(--brand-blue);
        font-size: 15px;
        font-weight: 500;
        padding: 12px 0;
        border-bottom: 1px solid rgba(13,27,44,0.08);
    }
    .arch-points li:last-child {
        border-bottom: none;
    }
    .arch-points li i {
        color: var(--accent);
        margin-top: 5px;
        font-size: 14px;
        width: 20px;
        text-align: center;
        background: rgba(45,225,167,0.1);
        border-radius: 50%;
        padding: 3px;
        flex-shrink: 0;
    }

    .arch-card {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        box-shadow: 0 8px 32px rgba(10,25,47,0.08);
        position: relative;
        overflow: hidden;
        height: 100%;
    }
    .arch-card::after {
        content: '';
        position: absolute;
        top: -40px;
        right: -40px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(45,225,167,0.12) 0%, transparent 70%);
    }
    .arch-step {
        display: flex;
        gap: 20px;
        padding: 24px 0;
        border-bottom: 1px solid #E8EDF3;
        position: relative;
    }
    .arch-step:first-child {
        padding-top: 0;
    }
    .arch-step:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .arch-step .step-num {
        width: 48px;
        height: 48px;
        border-radius: 16px;
        background: linear-gradient(135deg, var(--accent), #45e6b5);
        color: #061A2E;
        font-weight: 700;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-family: var(--font-num);
    }
    .arch-step h4 {
        font-size: 17px;
        font-weight: 600;
        color: var(--brand-blue);
        margin-bottom: 6px;
    }
    .arch-step p {
        font-size: 14px;
        color: #5A6E82;
        margin-bottom: 0;
        line-height: 1.7;
    }

    /* ---------- Trust Badges ---------- */
    .trust-section {
        background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
        padding: 96px 0;
        position: relative;
        overflow: hidden;
    }
    .trust-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        opacity: 0.12;
    }
    .trust-section .container {
        position: relative;
        z-index: 2;
    }
    .trust-section .section-head h2 {
        color: #fff;
    }
    .trust-section .section-head p {
        color: rgba(255,255,255,0.65);
    }
    .trust-card {
        background: rgba(11,18,32,0.55);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--radius-lg);
        padding: 32px 24px;
        text-align: center;
        height: 100%;
        transition: all .35s ease;
        backdrop-filter: blur(8px);
        position: relative;
        overflow: hidden;
    }
    .trust-card::before {
        content: '';
        position: absolute;
        top: -30px;
        left: -30px;
        width: 80px;
        height: 80px;
        border-radius: 50%;
        border: 2px solid rgba(45,225,167,0.2);
    }
    .trust-card:hover {
        transform: translateY(-6px);
        border-color: rgba(45,225,167,0.35);
        box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        background: rgba(11,18,32,0.7);
    }
    .trust-card .trust-num {
        font-family: var(--font-num);
        font-size: 38px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .trust-card .trust-label {
        font-size: 15px;
        color: #D5DFE9;
        font-weight: 500;
    }
    .trust-card .trust-sub {
        font-size: 13px;
        color: rgba(255,255,255,0.5);
        margin-top: 4px;
    }
    /* ---------- FAQ ---------- */
    .faq-section {
        background: #F4F7FB;
        padding: 96px 0;
    }
    .faq-section .section-head h2 {
        color: var(--brand-blue);
    }
    .faq-section .section-head p {
        color: #5A6E82;
    }
    .faq-wrap {
        max-width: 820px;
        margin: 0 auto;
    }
    .faq-section .accordion-item {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        border: 1px solid #E3EAF2;
        margin-bottom: 16px;
        overflow: hidden;
        transition: border-color .3s, box-shadow .3s;
    }
    .faq-section .accordion-item:has(.accordion-button:not(.collapsed)) {
        border-left: 3px solid var(--accent);
        box-shadow: 0 4px 16px rgba(10,25,47,0.06);
    }
    .faq-section .accordion-button {
        background: #FFFFFF;
        color: var(--brand-blue);
        font-size: 15px;
        font-weight: 600;
        padding: 18px 24px;
        box-shadow: none;
        border-radius: var(--radius-md);
        line-height: 1.6;
    }
    .faq-section .accordion-button:hover {
        background: #FFFFFF;
        color: var(--brand-blue);
    }
    .faq-section .accordion-button:not(.collapsed) {
        background: #FFFFFF;
        color: var(--brand-blue);
        box-shadow: none;
    }
    .faq-section .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(45,225,167,0.2);
    }
    .faq-section .accordion-button::after {
        content: '\f067';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        background-image: none;
        font-size: 14px;
        color: var(--accent);
        transition: transform .3s, color .3s;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .faq-section .accordion-button:not(.collapsed)::after {
        content: '\f068';
        transform: rotate(0deg);
        color: var(--brand-blue);
    }
    .faq-section .accordion-body {
        padding: 0 24px 20px;
        color: #4A6078;
        font-size: 14px;
        line-height: 1.8;
        border-top: 1px solid rgba(13,27,44,0.06);
        padding-top: 16px;
    }

    /* ---------- CTA ---------- */
    .cta-section {
        background: var(--bg-deep);
        padding: 96px 0;
    }
    .cta-card {
        background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 55%, rgba(45,225,167,0.12) 100%);
        border-radius: var(--radius-lg);
        padding: 64px 48px;
        text-align: center;
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(45,225,167,0.15);
    }
    .cta-card::before {
        content: '';
        position: absolute;
        top: -100px;
        left: 50%;
        transform: translateX(-50%);
        width: 400px;
        height: 200px;
        border-radius: 50%;
        background: radial-gradient(ellipse, rgba(45,225,167,0.15) 0%, transparent 70%);
    }
    .cta-card h2 {
        font-size: 30px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 14px;
        position: relative;
    }
    .cta-card p {
        color: rgba(255,255,255,0.7);
        font-size: 15px;
        margin-bottom: 30px;
        position: relative;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
        position: relative;
    }

    /* ---------- Footer ---------- */
    .site-footer {
        background: #08101E;
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 72px 0 0;
    }
    .site-footer .navbar-brand {
        display: inline-flex;
        margin-bottom: 16px;
    }
    .footer-about {
        color: #5E718C;
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 0;
        max-width: 340px;
    }
    .footer-title {
        color: #DDE6F0;
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }
    .footer-links,
    .footer-contact {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li,
    .footer-contact li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: #6B7F99;
        font-size: 13px;
        transition: color .3s, padding-left .3s;
    }
    .footer-links a:hover {
        color: var(--accent);
        padding-left: 6px;
    }
    .footer-contact li {
        color: #6B7F99;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-contact i {
        color: var(--accent);
        font-size: 14px;
        width: 18px;
        text-align: center;
    }
    .footer-bottom {
        margin-top: 56px;
        padding: 24px 0;
        border-top: 1px solid rgba(255,255,255,0.06);
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .copyright {
        color: #4C5E75;
        font-size: 13px;
    }
    .legal {
        display: flex;
        gap: 20px;
    }
    .legal a {
        color: #4C5E75;
        font-size: 13px;
        transition: color .3s;
    }
    .legal a:hover {
        color: var(--accent);
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 992px) {
        :root {
            --section-space: 80px;
        }
        .navbar-collapse {
            background: rgba(11,18,32,0.97);
            border-radius: 16px;
            padding: 20px;
            margin-top: 14px;
            border: 1px solid rgba(255,255,255,0.08);
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
            backdrop-filter: blur(16px);
        }
        .nav-actions {
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .navbar-nav .nav-link.active::after {
            display: none;
        }
        .navbar-nav .nav-link {
            padding: 10px 14px;
            border-radius: 10px;
        }
        .category-hero {
            padding: 150px 0 80px;
        }
        .category-hero h1 {
            font-size: 38px;
        }
        .arch-card {
            margin-top: 32px;
        }
    }

    @media (max-width: 768px) {
        .category-hero h1 {
            font-size: 32px;
        }
        .category-hero .lead {
            font-size: 15px;
        }
        .section-head h2 {
            font-size: 26px;
        }
        .architecture-section h2 {
            font-size: 26px;
        }
        .trust-card {
            padding: 24px 16px;
        }
        .trust-card .trust-num {
            font-size: 30px;
        }
        .cta-card {
            padding: 40px 24px;
        }
        .cta-card h2 {
            font-size: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 576px) {
        .category-hero {
            padding: 130px 0 64px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .hero-actions {
            flex-direction: column;
            width: 100%;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .capability-card .card-img-wrap {
            height: 160px;
        }
        .architecture-section {
            padding: 64px 0;
        }
        .arch-card {
            padding: 24px 18px;
        }
        .arch-step {
            flex-direction: column;
            gap: 12px;
        }
        .trust-section {
            padding: 64px 0;
        }
        .faq-section {
            padding: 64px 0;
        }
        .faq-section .accordion-button {
            padding: 14px 16px;
            font-size: 14px;
        }
        .faq-section .accordion-body {
            padding: 0 16px 16px;
        }
        .cta-section {
            padding: 64px 0;
        }
        .cta-card {
            padding: 36px 18px;
            border-radius: 20px;
        }
    }