/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0B4F6C;
            --primary-dark: #083A4F;
            --primary-light: #1a6a8a;
            --secondary: #00C2A8;
            --secondary-dark: #009e8a;
            --secondary-light: rgba(0, 194, 168, 0.08);
            --accent: #F5A300;
            --accent-light: rgba(245, 163, 0, 0.12);
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --dark-bg: #0A1B2A;
            --dark-bg-2: #081522;
            --text-main: #122A38;
            --text-secondary: #557085;
            --text-light: #FFFFFF;
            --text-muted: #8CA3B3;
            --border: #E4EEF3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 4px 20px rgba(11, 79, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(11, 79, 108, 0.10);
            --shadow-lg: 0 12px 32px rgba(11, 79, 108, 0.12);
            --shadow-neon: 0 0 20px rgba(0, 194, 168, 0.35);
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --section-padding-mobile: 56px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-main);
            background-color: var(--bg);
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: var(--card-bg);
        }
        .section-title-wrap {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            position: relative;
            padding-left: 18px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            width: 6px;
            height: 22px;
            background: var(--primary);
            border-radius: 3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.25);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: rgba(11, 79, 108, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #1a1a1a;
            border: 2px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-accent-custom:hover {
            background: #e09700;
            border-color: #e09700;
            box-shadow: 0 0 18px rgba(245, 163, 0, 0.4);
            color: #1a1a1a;
            transform: translateY(-2px);
        }
        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border: 2px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-light-custom:hover {
            background: rgba(255, 255, 255, 0.9);
            box-shadow: 0 0 18px rgba(255, 255, 255, 0.3);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 24px rgba(4, 12, 20, 0.5);
        }
        .top-bar {
            background: var(--dark-bg-2);
            height: 38px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-left i {
            color: var(--secondary);
            margin-right: 4px;
            font-size: 11px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar-right a {
            color: var(--text-muted);
            font-size: 12px;
            transition: color var(--transition);
        }
        .top-bar-right a:hover {
            color: var(--secondary);
        }
        .top-bar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.1);
        }

        .main-nav {
            background: var(--dark-bg);
            min-height: 64px;
            display: flex;
            align-items: center;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }
        .nav-logo i {
            font-size: 26px;
            color: var(--secondary);
        }
        .nav-logo:hover {
            color: #fff;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 10px 14px;
            color: #B8D4E4;
            font-size: 14px;
            font-weight: 500;
            border-radius: 6px;
            position: relative;
            transition: all var(--transition);
        }
        .nav-menu li a::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transform: scaleX(0);
            box-shadow: 0 2px 8px rgba(0, 194, 168, 0.6);
            transition: transform var(--transition);
        }
        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-menu li a:hover::after,
        .nav-menu li a.active::after {
            transform: scaleX(1);
        }
        .nav-menu li a.active {
            color: #fff;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta {
            background: var(--secondary);
            color: #0a1a20;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--secondary-dark);
            box-shadow: 0 0 20px rgba(0, 194, 168, 0.4);
            color: #0a1a20;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            background: var(--dark-bg);
            padding: 16px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .mobile-drawer .container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer a {
            color: #B8D4E4;
            padding: 14px 20px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }
        .mobile-drawer a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .mobile-drawer a.active {
            color: #fff;
            border-left: 3px solid var(--secondary);
            background: rgba(0, 194, 168, 0.05);
        }
        .mobile-drawer .nav-cta {
            margin: 16px 20px 4px;
            text-align: center;
            display: block;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 79, 108, 0.1) 0%, rgba(0, 194, 168, 0.04) 50%, rgba(245, 163, 0, 0.03) 100%);
            padding: 80px 0 72px;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .hero::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(247, 250, 252, 0.92) 0%, rgba(247, 250, 252, 0.75) 100%);
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-content {
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary-light);
            border: 1px solid rgba(0, 194, 168, 0.3);
            color: var(--secondary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero h1 .highlight::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(0, 194, 168, 0.25);
            border-radius: 3px;
            z-index: -1;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-trust-points {
            display: flex;
            gap: 32px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-trust-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-trust-point i {
            color: var(--secondary);
            font-size: 16px;
        }

        /* ===== Trust Bar ===== */
        .trust-bar {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .trust-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }
        .trust-item i {
            font-size: 20px;
            color: var(--primary);
        }
        .trust-item .trust-desc {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ===== Comparison Table ===== */
        .compare-section {
            background: var(--bg);
            padding: var(--section-padding);
        }
        .compare-wrap {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        .compare-table th {
            font-weight: 600;
            font-size: 15px;
            background: var(--bg);
            color: var(--text-main);
        }
        .compare-table th:first-child {
            text-align: left;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-main);
            background: rgba(247, 250, 252, 0.6);
        }
        .compare-table tr:last-child th,
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-member-col {
            background: var(--secondary-light) !important;
            position: relative;
        }
        .compare-rec-badge {
            position: absolute;
            top: 0;
            right: 20px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 0 0 8px 8px;
            box-shadow: 0 2px 8px rgba(245, 163, 0, 0.3);
        }
        .icon-yes {
            color: var(--secondary);
            font-size: 15px;
        }
        .icon-no {
            color: #ccc;
            font-size: 15px;
        }
        .icon-partial {
            color: var(--accent);
            font-size: 15px;
        }
        .compare-table-wrap {
            overflow-x: auto;
        }

        /* ===== Tier Staircase ===== */
        .tiers-section {
            background: var(--card-bg);
            padding: var(--section-padding);
        }
        .tier-staircase {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
        }
        .tier-staircase::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--secondary) 0%, var(--primary) 100%);
            border-radius: 2px;
        }
        .tier-item {
            display: flex;
            gap: 32px;
            position: relative;
            margin-bottom: 48px;
            padding-left: 72px;
        }
        .tier-item:last-child {
            margin-bottom: 0;
        }
        .tier-icon {
            width: 52px;
            height: 52px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            position: absolute;
            left: 0;
            top: 0;
            box-shadow: 0 4px 16px rgba(11, 79, 108, 0.25);
            z-index: 1;
        }
        .tier-item:nth-child(1) .tier-icon {
            background: var(--secondary);
            box-shadow: 0 4px 16px rgba(0, 194, 168, 0.3);
        }
        .tier-item:nth-child(2) .tier-icon {
            background: var(--primary);
        }
        .tier-item:nth-child(3) .tier-icon {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: 0 4px 16px rgba(245, 163, 0, 0.3);
        }
        .tier-body {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            flex: 1;
            transition: all var(--transition);
        }
        .tier-body:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .tier-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .tier-body .tier-tag {
            display: inline-block;
            background: var(--secondary-light);
            color: var(--secondary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .tier-body p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .tier-body ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .tier-body ul li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tier-body ul li i {
            color: var(--secondary);
            font-size: 12px;
        }

        /* ===== Exclusive Preview (Dark Section) ===== */
        .exclusive-section {
            background: var(--dark-bg);
            padding: var(--section-padding);
            position: relative;
            overflow: hidden;
        }
        .exclusive-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 194, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .exclusive-section .section-title {
            color: #fff;
        }
        .exclusive-section .section-title::before {
            background: var(--secondary);
        }
        .exclusive-section .section-subtitle {
            color: var(--text-muted);
        }
        .exclusive-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            transition: all var(--transition);
        }
        .exclusive-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .exclusive-card .card-lock {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            width: 34px;
            height: 34px;
            background: rgba(10, 27, 42, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 13px;
            backdrop-filter: blur(4px);
        }
        .exclusive-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: 0;
        }
        .exclusive-card .card-body {
            padding: 20px;
        }
        .exclusive-card .card-body h3 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .exclusive-card .card-body p {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .exclusive-card .card-body .btn-sm-custom {
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            border: none;
            background: none;
            padding: 0;
            cursor: pointer;
        }
        .exclusive-card .card-body .btn-sm-custom:hover {
            gap: 8px;
            color: #ffb933;
        }

        /* ===== News / CMS List ===== */
        .news-section {
            background: var(--bg);
            padding: var(--section-padding);
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            height: 100%;
            position: relative;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(0, 194, 168, 0.4);
        }
        .news-card .news-tag {
            display: inline-block;
            background: var(--secondary-light);
            color: var(--secondary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 100px;
            margin-bottom: 14px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-card .read-more:hover {
            gap: 8px;
            color: var(--secondary-dark);
        }
        .news-card .read-more i {
            font-size: 12px;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }
        .news-empty i {
            font-size: 44px;
            color: #ccc;
            display: block;
            margin-bottom: 16px;
        }
        .news-empty p {
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
            padding: var(--section-padding);
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            background: var(--card-bg);
            overflow: hidden;
        }
        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--card-bg);
            padding: 18px 24px;
            border: none;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: var(--secondary-light);
            color: var(--primary);
        }
        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            font-size: 14px;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: auto;
            height: auto;
        }
        .accordion-button:not(.collapsed)::after {
            background-image: none;
            content: "\f068";
        }
        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 8px 24px 22px;
            background: var(--card-bg);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 194, 168, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 163, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg-2);
            padding: 64px 0 0;
            color: var(--text-muted);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .site-footer .footer-brand .nav-logo {
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
            max-width: 280px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: var(--text-muted);
            font-size: 13px;
            transition: all var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            margin-bottom: 10px;
        }
        .footer-contact li i {
            color: var(--secondary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(140, 163, 179, 0.6);
        }
        .footer-bottom .domain-text {
            display: inline-block;
            margin-top: 4px;
            font-size: 11px;
            letter-spacing: 0.5px;
            opacity: 0.5;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-right .nav-cta {
                display: none;
            }
            .mobile-drawer {
                display: block;
            }
            .hero {
                padding: 56px 0 48px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .tier-item {
                padding-left: 60px;
                gap: 20px;
            }
            .tier-staircase::before {
                left: 26px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767.98px) {
            .top-bar-left span {
                display: none;
            }
            .top-bar-left .top-bar-slogan {
                display: inline;
            }
            .hero-trust-points {
                gap: 16px;
                flex-direction: column;
            }
            .trust-bar .container {
                flex-direction: column;
                gap: 12px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
                font-size: 13px;
            }
            .tier-item {
                flex-direction: column;
                padding-left: 0;
                margin-left: 0;
            }
            .tier-staircase::before {
                display: none;
            }
            .tier-icon {
                position: static;
                margin-bottom: 12px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-accent-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .section-title {
                font-size: 22px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .news-card {
                padding: 18px;
            }
            .exclusive-card .card-img {
                height: 140px;
            }
        }

        /* ===== Focus accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0B4F6C;
            --primary-dark: #093D54;
            --primary-light: #E3F0F5;
            --accent: #00C2A8;
            --accent-rgb: 0, 194, 168;
            --gold: #F5A300;
            --gold-rgb: 245, 163, 0;
            --bg: #F7FAFC;
            --bg-dark: #0A1B2A;
            --text: #122A38;
            --text-muted: #557085;
            --white: #FFFFFF;
            --border: #E4EEF3;
            --radius: 14px;
            --shadow-sm: 0 4px 20px rgba(11, 79, 108, 0.06);
            --shadow-lg: 0 12px 32px rgba(11, 79, 108, 0.12);
            --transition: all 0.25s ease;
            --space-section: 80px;
            --space-section-md: 56px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* ========== 通用容器与板块 ========== */
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 14px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
        }

        .top-bar {
            background: #081522;
            color: #8CA3B3;
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-slogan {
            color: #B8D4E4;
            letter-spacing: 0.02em;
        }

        .top-bar-slogan i {
            color: var(--accent);
            margin-right: 4px;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-bar-right a {
            color: #8CA3B3;
            font-size: 13px;
        }

        .top-bar-right a:hover {
            color: var(--accent);
        }

        .top-bar-divider {
            width: 1px;
            height: 12px;
            background: rgba(255, 255, 255, 0.18);
            display: inline-block;
        }

        .main-nav {
            background: var(--bg-dark);
            min-height: 64px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--accent);
            font-size: 24px;
            filter: drop-shadow(0 0 6px rgba(0, 194, 168, 0.5));
        }

        .nav-logo span {
            background: linear-gradient(135deg, #FFFFFF 60%, #00C2A8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo:hover span {
            background: linear-gradient(135deg, #FFFFFF 40%, #00C2A8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: inline-block;
            padding: 20px 16px;
            color: #B8D4E4;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

        .nav-menu li a::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 8px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.6);
            opacity: 0;
            transform: scaleX(0.4);
            transition: var(--transition);
        }

        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: var(--white);
            text-shadow: 0 0 12px rgba(var(--accent-rgb), 0.35);
        }

        .nav-menu li a:hover::after,
        .nav-menu li a.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #062832;
            font-size: 14px;
            font-weight: 700;
            padding: 9px 20px;
            border-radius: 8px;
            transition: var(--transition);
            box-shadow: 0 0 0 rgba(var(--accent-rgb), 0);
        }

        .nav-cta:hover {
            background: #00D6B9;
            color: #062832;
            box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.45);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--white);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.3);
        }

        .mobile-drawer {
            display: none;
            background: var(--bg-dark);
            padding: 16px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-drawer.open {
            max-height: 420px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer a {
            display: block;
            padding: 13px 16px;
            color: #B8D4E4;
            font-size: 15px;
            border-radius: 8px;
            border-left: 2px solid transparent;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--white);
            border-left-color: var(--accent);
            background: rgba(var(--accent-rgb), 0.08);
            box-shadow: inset 0 0 12px rgba(var(--accent-rgb), 0.06);
        }

        .mobile-drawer .nav-cta {
            margin: 16px 16px 0;
            justify-content: center;
        }

        /* ========== Hero ========== */
        .cat-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.72)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 96px 0 88px;
            border-bottom: 1px solid var(--border);
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14), transparent 70%);
            pointer-events: none;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
            max-width: 1200px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--accent-rgb), 0.12);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            border: 1px solid rgba(var(--accent-rgb), 0.25);
        }

        .hero-badge i {
            color: var(--accent);
        }

        .cat-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .cat-hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .cat-hero .lead-text {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.75;
            margin-bottom: 28px;
        }

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

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 8px;
            border: 1px solid transparent;
            transition: var(--transition);
            box-shadow: 0 0 0 rgba(var(--accent-rgb), 0);
        }

        .btn-brand:hover {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.25);
            transform: translateY(-2px);
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            transition: var(--transition);
        }

        .btn-outline-brand:hover {
            background: rgba(var(--accent-rgb), 0.10);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== 信任资质条 ========== */
        .trust-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }

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

        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: center;
            padding: 8px 0;
        }

        .trust-item i {
            font-size: 22px;
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.1);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .trust-item .trust-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .trust-item .trust-text small {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* ========== 权益对比 ========== */
        .compare-section {
            background: var(--white);
        }

        .compare-card {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

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

        .compare-card.featured {
            border: 1px solid rgba(var(--accent-rgb), 0.45);
            box-shadow: 0 8px 32px rgba(var(--accent-rgb), 0.10);
        }

        .compare-card-featured-tag {
            position: absolute;
            top: 0;
            right: 24px;
            background: var(--gold);
            color: #33240a;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 0 0 8px 8px;
            box-shadow: 0 4px 10px rgba(var(--gold-rgb), 0.3);
        }

        .compare-card-header {
            padding: 24px 24px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }

        .compare-card.featured .compare-card-header {
            background: rgba(var(--accent-rgb), 0.05);
            border-top: 3px solid var(--accent);
        }

        .compare-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-size: 24px;
        }

        .compare-icon.user {
            background: var(--primary-light);
            color: var(--primary);
        }

        .compare-icon.member {
            background: var(--accent);
            color: #062832;
        }

        .compare-icon.vip {
            background: linear-gradient(135deg, #F5A300, #F7C566);
            color: #33240a;
        }

        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
        }

        .compare-card-body {
            padding: 20px 24px 28px;
        }

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

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            margin-top: 3px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .compare-list li .fa-check {
            color: var(--accent);
        }

        .compare-list li .fa-xmark {
            color: #B0C4D4;
        }

        .compare-list li.disabled {
            color: #8899AA;
        }

        /* ========== 等级阶梯 ========== */
        .tier-section {
            background: var(--bg);
        }

        .tier-row {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-bottom: 30px;
            position: relative;
        }

        .tier-row:last-child {
            margin-bottom: 0;
        }

        .tier-number {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            box-shadow: 0 6px 16px rgba(11, 79, 108, 0.22);
            position: relative;
            z-index: 2;
        }

        .tier-row:nth-child(2) .tier-number {
            background: var(--accent);
            color: #062832;
            box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.25);
        }

        .tier-row:nth-child(3) .tier-number {
            background: var(--gold);
            color: #33240a;
            box-shadow: 0 6px 16px rgba(var(--gold-rgb), 0.3);
        }

        .tier-content {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            flex: 1;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .tier-content:hover {
            border-color: rgba(var(--accent-rgb), 0.4);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .tier-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }

        .tier-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 12px;
        }

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

        .tier-tags span {
            background: rgba(var(--accent-rgb), 0.07);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(var(--accent-rgb), 0.18);
        }

        .tier-row-arrow {
            display: none;
        }

        /* ========== 内容卡片 ========== */
        .content-cards-section {
            background: var(--white);
        }

        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }

        .chip:hover {
            border-color: var(--accent);
            color: var(--primary);
        }

        .chip.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(11, 79, 108, 0.25);
        }

        .content-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .content-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-light);
        }

        .content-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .content-card:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-category {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            backdrop-filter: blur(4px);
        }

        .content-card .card-body-content {
            padding: 20px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 50px;
        }

        .content-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta .meta-time i {
            margin-right: 4px;
            color: var(--accent);
        }

        .card-meta .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .card-meta .card-link i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }

        .card-meta .card-link:hover {
            color: var(--accent);
        }

        .card-meta .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 开通流程 ========== */
        .process-section {
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat fixed;
            opacity: 0.04;
            pointer-events: none;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            text-align: center;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

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

        .process-step .step-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(11, 79, 108, 0.2);
        }

        .process-step:nth-child(2) .step-icon {
            background: var(--accent);
            color: #062832;
        }

        .process-step:nth-child(3) .step-icon {
            background: var(--accent);
            color: #062832;
        }

        .process-step:nth-child(4) .step-icon {
            background: var(--gold);
            color: #33240a;
        }

        .process-step .step-num {
            position: absolute;
            top: 12px;
            right: 16px;
            font-size: 28px;
            font-weight: 800;
            color: rgba(11, 79, 108, 0.08);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
        }

        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border) !important;
            border-radius: 10px !important;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(11, 79, 108, 0.03);
            overflow: hidden;
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: var(--white);
            padding: 18px 22px;
            box-shadow: none !important;
            border: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(var(--accent-rgb), 0.04);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            font-size: 14px;
            color: var(--primary);
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
        }

        .accordion-body {
            padding: 4px 22px 20px;
            font-size: 14px;
            color: rgba(18, 42, 56, 0.75);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 88px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: var(--white);
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 16px;
            margin-bottom: 32px;
        }

        .btn-cta-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold), #FFBC40);
            color: #33240a;
            font-size: 16px;
            font-weight: 700;
            padding: 15px 38px;
            border-radius: 10px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(var(--gold-rgb), 0.3);
        }

        .btn-cta-gold:hover {
            color: #33240a;
            box-shadow: 0 0 30px rgba(var(--gold-rgb), 0.55);
            transform: translateY(-3px);
        }

        .cta-note {
            margin-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #081522;
            color: #8CA3B3;
            padding-top: 64px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .nav-logo {
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #8CA3B3;
            margin: 0;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #E6F0F7;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 18px;
        }

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

        .site-footer ul li a {
            color: #8CA3B3;
            font-size: 14px;
            transition: var(--transition);
        }

        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #8CA3B3;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(140, 163, 179, 0.65);
        }

        .footer-bottom p {
            margin: 0 0 4px;
        }

        .domain-text {
            font-size: 12px;
            color: rgba(140, 163, 179, 0.4);
            letter-spacing: 0.06em;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

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

            .trust-bar .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

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

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

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .top-bar {
                font-size: 12px;
            }

            .top-bar-slogan {
                display: flex;
                align-items: center;
            }

            .top-bar-slogan i {
                font-size: 12px;
            }

            .main-nav {
                min-height: 56px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-logo i {
                font-size: 20px;
            }

            .cat-hero {
                padding: 64px 0 56px;
            }

            .cat-hero h1 {
                font-size: 27px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-brand,
            .btn-outline-brand {
                justify-content: center;
                padding: 12px 24px;
            }

            .trust-item {
                justify-content: flex-start;
            }

            .tier-row {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }

            .tier-number {
                width: 52px;
                height: 52px;
                font-size: 18px;
            }

            .tier-content {
                padding: 20px;
            }

            .compare-card {
                min-width: 280px;
            }

            .compare-row-scroll {
                display: flex;
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 16px;
                gap: 20px;
                margin-left: -16px;
                margin-right: -16px;
                padding-left: 16px;
                padding-right: 16px;
                scroll-snap-type: x mandatory;
            }

            .compare-row-scroll .compare-card {
                scroll-snap-align: start;
                flex-shrink: 0;
                width: 280px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

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

            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 576px) {
            .cat-hero h1 {
                font-size: 24px;
            }

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

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

            .trust-item {
                justify-content: center;
            }

            .filter-chips {
                gap: 8px;
                margin-left: -4px;
                margin-right: -4px;
            }

            .chip {
                padding: 7px 14px;
                font-size: 12px;
            }

            .content-card h3 {
                font-size: 16px;
            }
        }

/* roulang page: article */
/* ===== Design Tokens ===== */
        :root {
            --primary: #0B4F6C;
            --primary-dark: #09455E;
            --accent: #00C2A8;
            --accent-rgb: 0, 194, 168;
            --gold: #F5A300;
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --dark: #0A1B2A;
            --dark-2: #081522;
            --text: #122A38;
            --text-light: #557085;
            --border: #E4EEF3;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(11, 79, 108, 0.06);
            --shadow-hover: 0 12px 32px rgba(11, 79, 108, 0.12);
            --transition: 0.25s ease;
            --section-padding: 80px 0;
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
        }

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

        button {
            border: none;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            box-shadow: 0 4px 24px rgba(10, 27, 42, 0.18);
        }

        .top-bar {
            background: var(--dark);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: #8CA3B3;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-slogan {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-slogan i {
            color: var(--accent);
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .top-bar-right a {
            color: #B8D4E4;
            font-size: 13px;
        }

        .top-bar-right a:hover {
            color: var(--accent);
        }

        .top-bar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.15);
        }

        .main-nav {
            background: var(--dark);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            min-height: 64px;
            display: flex;
            align-items: center;
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--accent);
            font-size: 24px;
            filter: drop-shadow(0 0 6px rgba(0, 194, 168, 0.5));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            color: #B8D4E4;
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px 8px 0 0;
            position: relative;
            transition: color var(--transition), text-shadow var(--transition);
        }

        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 2px 8px rgba(0, 194, 168, 0.6);
            opacity: 0;
            transform: scaleX(0);
            transition: opacity var(--transition), transform var(--transition);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: #fff;
            text-shadow: 0 0 12px rgba(0, 194, 168, 0.35);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #062B33;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 8px;
            transition: box-shadow var(--transition), background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            box-shadow: 0 0 20px rgba(0, 194, 168, 0.45);
            background: #00d9bc;
            color: #062B33;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 22px;
            padding: 6px 10px;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mobile-drawer {
            display: none;
            background: var(--dark);
            padding: 12px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 18px 30px rgba(10, 27, 42, 0.4);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer a {
            display: block;
            padding: 12px 16px;
            color: #B8D4E4;
            font-size: 15px;
            border-radius: 8px;
        }

        .mobile-drawer a.active,
        .mobile-drawer a:hover {
            color: #fff;
            background: rgba(0, 194, 168, 0.08);
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .mobile-drawer .nav-cta {
            margin-top: 10px;
            justify-content: center;
            color: #062B33;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background: linear-gradient(to right, rgba(10, 27, 42, 0.88), rgba(11, 79, 108, 0.74)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 64px 0 56px;
            color: #fff;
        }

        .article-hero .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: #9FBCCD;
            margin-bottom: 18px;
        }

        .article-hero .breadcrumb-nav a {
            color: #9FBCCD;
            transition: color var(--transition);
        }

        .article-hero .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .article-hero .breadcrumb-nav i {
            font-size: 10px;
            color: #5C7B8E;
        }

        .article-hero .breadcrumb-nav .current {
            color: #fff;
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 16px;
            max-width: 760px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: #9FBCCD;
        }

        .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        .article-meta .meta-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 194, 168, 0.14);
            color: var(--accent);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 56px 0 72px;
        }

        .article-content {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 36px 40px;
            margin-bottom: 28px;
        }

        .article-content p {
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 1.4em;
            color: #33414E;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 2rem 0 1rem;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            color: var(--text);
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 1.5rem 0 0.75rem;
            color: var(--text);
        }

        .article-content blockquote {
            background: rgba(0, 194, 168, 0.06);
            border-left: 4px solid var(--accent);
            padding: 16px 22px;
            border-radius: 0 10px 10px 0;
            margin: 1.6rem 0;
            color: var(--text-light);
            font-style: italic;
        }

        .article-content img {
            max-width: 100%;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 16px rgba(11, 79, 108, 0.1);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.4rem;
            margin-bottom: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.45rem;
            line-height: 1.8;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--accent);
        }

        /* Tags */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            margin-top: 8px;
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(0, 194, 168, 0.08);
            color: #0B6B5E;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            transition: background var(--transition), color var(--transition);
        }

        .article-tag:hover {
            background: rgba(0, 194, 168, 0.16);
            color: #075B50;
        }

        .article-tag i {
            font-size: 11px;
        }

        /* Pager */
        .article-pager {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px 24px;
            margin-bottom: 28px;
        }

        .pager-link {
            display: inline-flex;
            flex-direction: column;
            gap: 2px;
            padding: 10px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg);
            transition: all var(--transition);
            max-width: 48%;
        }

        .pager-link:hover {
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(0, 194, 168, 0.12);
            transform: translateY(-2px);
        }

        .pager-link .pager-label {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pager-link .pager-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .pager-link.next {
            text-align: right;
        }

        .pager-link.next .pager-label {
            justify-content: flex-end;
        }

        /* Not Found */
        .not-found-box {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 56px 40px;
            text-align: center;
        }

        .not-found-box i {
            font-size: 48px;
            color: var(--accent);
            opacity: 0.5;
            margin-bottom: 16px;
            display: block;
        }

        .not-found-box h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 20px;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }

        .member-cta-card {
            position: relative;
            overflow: hidden;
            border-top: 3px solid var(--gold);
            background: linear-gradient(180deg, rgba(245, 163, 0, 0.05) 0%, var(--card-bg) 60%);
        }

        .member-cta-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--gold), #FFB52E);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            margin-bottom: 14px;
            box-shadow: 0 6px 16px rgba(245, 163, 0, 0.28);
        }

        .member-cta-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .member-cta-card .btn {
            width: 100%;
        }

        .sidebar-cat-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-cat-list li {
            margin-bottom: 8px;
        }

        .sidebar-cat-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }

        .sidebar-cat-list a:hover {
            background: rgba(0, 194, 168, 0.07);
            border-color: rgba(0, 194, 168, 0.3);
            color: var(--primary);
            transform: translateX(3px);
        }

        .sidebar-cat-list a i {
            color: var(--accent);
            width: 20px;
            text-align: center;
        }

        .sidebar-post-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-post-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

        .sidebar-post-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-post-list .post-thumb {
            width: 72px;
            height: 52px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }

        .sidebar-post-list .post-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }

        .sidebar-post-list .post-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.45;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .sidebar-post-list .post-time {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ===== Related Posts ===== */
        .related-posts {
            background: var(--card-bg);
            padding: var(--section-padding);
            border-top: 1px solid var(--border);
        }

        .section-title-wrap {
            margin-bottom: 32px;
        }

        .section-title-wrap h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            line-height: 1.35;
        }

        .section-title-wrap p {
            color: var(--text-light);
            margin: 8px 0 0 18px;
            font-size: 14px;
        }

        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 194, 168, 0.35);
        }

        .related-card .related-thumb {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--border);
        }

        .related-card .related-body {
            padding: 16px 18px 18px;
        }

        .related-card .related-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 6px;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            min-height: 42px;
        }

        .related-card .related-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-light);
        }

        .related-card .related-meta i {
            font-size: 11px;
            color: var(--accent);
        }

        /* ===== Article CTA ===== */
        .article-cta {
            position: relative;
            background: linear-gradient(120deg, #0A1B2A 0%, #0B4F6C 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
        }

        .article-cta h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-cta p {
            color: #B8D4E4;
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-cta .btn {
            font-size: 15px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.25), 0 6px 18px rgba(11, 79, 108, 0.25);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), #FFBE38);
            color: #3A2A00;
            border-color: transparent;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(245, 163, 0, 0.28);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #E79300, #FFB21E);
            color: #2A1E00;
            box-shadow: 0 0 24px rgba(245, 163, 0, 0.4);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-2);
            color: #8CA3B3;
            font-size: 14px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding: 56px 0 40px;
        }

        .site-footer .nav-logo {
            font-size: 18px;
            margin-bottom: 14px;
            display: inline-flex;
        }

        .site-footer p {
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 194, 168, 0.4);
        }

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

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

        .site-footer ul a {
            color: #8CA3B3;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
        }

        .footer-bottom .domain-text {
            font-size: 12px;
            color: #5A7383;
            letter-spacing: 0.02em;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            :root {
                --section-padding: 60px 0;
            }

            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: inline-block;
            }

            .article-main .row .col-lg-8,
            .article-main .row .col-lg-4 {
                width: 100%;
            }

            .sidebar {
                margin-top: 28px;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

        @media (max-width: 767px) {
            .top-bar-right a {
                font-size: 12px;
            }

            .top-bar-slogan {
                font-size: 12px;
            }

            .main-nav {
                min-height: 56px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-logo i {
                font-size: 20px;
            }

            .nav-cta {
                padding: 6px 14px;
                font-size: 13px;
            }

            .article-hero {
                padding: 44px 0 40px;
            }

            .article-hero h1 {
                font-size: 24px;
            }

            .article-content {
                padding: 22px 20px;
            }

            .article-pager {
                flex-direction: column;
            }

            .pager-link {
                max-width: 100%;
            }

            .pager-link.next {
                text-align: left;
            }

            .pager-link.next .pager-label {
                justify-content: flex-start;
            }

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

            .related-posts {
                padding: 48px 0;
            }

            .section-title-wrap h2 {
                font-size: 22px;
            }

            .article-cta h2 {
                font-size: 22px;
            }

            .article-cta .btn {
                display: block;
                width: 100%;
                margin-bottom: 10px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 28px;
            }

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

        @media (max-width: 575px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .top-bar .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .top-bar-slogan {
                display: none;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

            .article-content p {
                font-size: 15px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .related-card .related-thumb {
                height: 180px;
            }

            .related-card .related-title {
                font-size: 16px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B4F6C;
            --primary-dark: #083D54;
            --secondary: #00C2A8;
            --accent: #F5A300;
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --dark: #0A1B2A;
            --text: #122A38;
            --text-muted: #557085;
            --border: #E4EEF3;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(11, 79, 108, 0.06);
            --shadow-lg: 0 12px 32px rgba(11, 79, 108, 0.12);
            --neon-glow: 0 2px 8px rgba(0, 194, 168, 0.6);
            --transition: 0.25s ease;
            --spacing-section: 80px;
            --spacing-mobile: 48px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--secondary);
        }

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

        .container {
            max-width: 1200px;
        }

        /* ===== 顶部栏 ===== */
        .top-bar {
            background: var(--primary-dark);
            min-height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: #B8D4E4;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .top-bar-slogan {
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .top-bar-slogan i {
            color: var(--secondary);
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-bar-right a {
            color: #B8D4E4;
            font-size: 13px;
            transition: color var(--transition);
        }

        .top-bar-right a:hover {
            color: #FFFFFF;
        }

        .top-bar-divider {
            width: 1px;
            height: 12px;
            background: rgba(255, 255, 255, 0.2);
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: var(--dark);
            min-height: 64px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            transition: opacity var(--transition);
            line-height: 1.2;
        }

        .nav-logo i {
            color: var(--secondary);
            font-size: 24px;
        }

        .nav-logo:hover {
            color: #FFFFFF;
            opacity: 0.9;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            color: #B8D4E4;
            font-size: 15px;
            font-weight: 500;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition);
        }

        .nav-menu li a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--secondary);
            box-shadow: var(--neon-glow);
            transition: width var(--transition);
        }

        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: #FFFFFF;
        }

        .nav-menu li a:hover::after,
        .nav-menu li a.active::after {
            width: 60%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: #00A58F;
            color: #FFFFFF;
            box-shadow: 0 0 20px rgba(0, 194, 168, 0.5);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            background: var(--dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0 24px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1020;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            padding: 12px 16px;
            color: #B8D4E4;
            font-size: 15px;
            border-radius: 6px;
            transition: all var(--transition);
            margin-bottom: 4px;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: #FFFFFF;
            background: rgba(0, 194, 168, 0.1);
            text-decoration: none;
        }

        .mobile-drawer a.nav-cta {
            display: inline-flex;
            margin-top: 12px;
            margin-left: 16px;
            padding: 10px 24px;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(11, 79, 108, 0.92), rgba(10, 27, 42, 0.88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 88px 0 84px;
            color: #FFFFFF;
            position: relative;
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .hero-breadcrumb a:hover {
            color: var(--secondary);
        }

        .hero-breadcrumb i {
            font-size: 11px;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-hero h1 span {
            color: var(--secondary);
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .badge {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 400;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        /* ===== 筛选标签栏 ===== */
        .filter-bar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            box-shadow: var(--shadow);
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-muted);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            font-weight: 500;
        }

        .filter-chip:hover {
            border-color: var(--secondary);
            color: var(--primary);
            background: rgba(0, 194, 168, 0.06);
        }

        .filter-chip.active {
            background: var(--secondary);
            color: #FFFFFF;
            border-color: var(--secondary);
            box-shadow: 0 4px 12px rgba(0, 194, 168, 0.3);
        }

        /* ===== 板块间距与标题 ===== */
        .section-spacing {
            padding: var(--spacing-section) 0;
        }

        .main-content {
            padding-top: 48px;
            padding-bottom: 80px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            padding-left: 16px;
            position: relative;
            line-height: 1.4;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 36px;
            max-width: 620px;
        }

        .section-head-center {
            text-align: center;
        }

        .section-head-center .section-title {
            padding-left: 0;
            display: inline-flex;
            justify-content: center;
        }

        .section-head-center .section-title::before {
            display: none;
        }

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

        /* ===== 内容卡片 ===== */
        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(0, 194, 168, 0.4);
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-dark);
            display: block;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(10, 27, 42, 0.25));
            pointer-events: none;
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 12px;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 194, 168, 0.3);
        }

        .card-badge.gold {
            background: var(--accent);
            box-shadow: 0 2px 8px rgba(245, 163, 0, 0.3);
        }

        .card-badge.blue {
            background: var(--primary);
            box-shadow: 0 2px 8px rgba(11, 79, 108, 0.3);
        }

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

        .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 51px;
            transition: color var(--transition);
        }

        .content-card:hover .card-body h3 {
            color: var(--primary);
        }

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

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
            flex-wrap: wrap;
        }

        .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .card-meta .meta-views {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .read-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            margin-left: auto;
        }

        .read-link:hover {
            color: var(--secondary);
            gap: 8px;
        }

        .read-link i {
            font-size: 12px;
        }

        /* ===== 等级阶梯 ===== */
        .tiers-section {
            background: #FFFFFF;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 56px 48px;
            margin-top: 16px;
        }

        .tier-step {
            display: flex;
            gap: 20px;
            position: relative;
            padding-bottom: 44px;
        }

        .tier-step:last-child {
            padding-bottom: 0;
        }

        .tier-step::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 52px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--secondary), rgba(0, 194, 168, 0.1));
        }

        .tier-step:last-child::before {
            display: none;
        }

        .tier-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 12px rgba(11, 79, 108, 0.3);
        }

        .tier-icon.tier-2 {
            background: var(--secondary);
            box-shadow: 0 4px 12px rgba(0, 194, 168, 0.3);
        }

        .tier-icon.tier-3 {
            background: var(--accent);
            box-shadow: 0 4px 12px rgba(245, 163, 0, 0.3);
        }

        .tier-content {
            flex: 1;
        }

        .tier-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .tier-content .tier-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .tier-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tier-points li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            padding: 4px 0;
        }

        .tier-points li i {
            color: var(--secondary);
            font-size: 13px;
            margin-top: 5px;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: 10px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: 0 2px 10px rgba(11, 79, 108, 0.04);
        }

        .faq-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 16px 20px;
            background: #FFFFFF;
            box-shadow: none;
            border-radius: 0 !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(0, 194, 168, 0.04);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230B4F6C'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform var(--transition);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.25);
        }

        .faq-accordion .accordion-body {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            padding: 4px 20px 18px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 64px 0;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            margin-top: 16px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 194, 168, 0.2), transparent 60%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(245, 163, 0, 0.12), transparent 60%);
            pointer-events: none;
        }

        .cta-wrap {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-wrap h2 {
            color: #FFFFFF;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-wrap p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-cta-primary:hover {
            background: #00A58F;
            color: #FFFFFF;
            box-shadow: 0 0 24px rgba(0, 194, 168, 0.45);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #081522;
            color: #8CA3B3;
            padding: 60px 0 0;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            color: #8CA3B3;
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .site-footer ul li a {
            color: #8CA3B3;
            font-size: 14px;
            transition: all var(--transition);
        }

        .site-footer ul li a:hover {
            color: var(--secondary);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--secondary);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom .domain-text {
            font-size: 12px;
            letter-spacing: 0.5px;
            opacity: 0.5;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 991px) {
            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .nav-right .nav-cta {
                display: none;
            }

            .mobile-drawer {
                display: none;
            }

            .mobile-drawer.open {
                display: block;
            }

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

            .section-title {
                font-size: 24px;
            }

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

            .tiers-section {
                padding: 40px 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacing-section: 48px;
            }

            .top-bar-left .top-bar-slogan span {
                display: none;
            }

            .page-hero {
                padding: 60px 0 56px;
            }

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

            .page-hero .hero-desc {
                font-size: 15px;
            }

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

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .cta-section {
                padding: 48px 24px;
            }

            .cta-wrap h2 {
                font-size: 24px;
            }

            .tiers-section {
                padding: 32px 20px;
            }

            .tier-step {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 26px;
            }

            .filter-bar {
                margin-top: -28px;
                padding: 12px 14px;
            }

            .filter-chip {
                padding: 6px 14px;
                font-size: 13px;
            }

            .content-card .card-body {
                padding: 16px;
            }

            .card-body h3 {
                font-size: 16px;
            }

            .tier-icon {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }

            .tier-step::before {
                left: 19px;
                top: 44px;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B4F6C;
            --primary-dark: #083C52;
            --secondary: #00C2A8;
            --accent: #F5A300;
            --bg: #F7FAFC;
            --bg-card: #FFFFFF;
            --bg-dark: #0A1B2A;
            --bg-darker: #081522;
            --text: #122A38;
            --text-light: #557085;
            --white: #FFFFFF;
            --border: #E4EEF3;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(11, 79, 108, 0.06);
            --shadow-hover: 0 12px 32px rgba(11, 79, 108, 0.12);
            --transition: all 0.25s ease;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--secondary);
        }

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

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 6px 24px rgba(8, 21, 34, 0.25);
            background: var(--bg-dark);
        }

        .top-bar {
            background: var(--bg-darker);
            height: 38px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .top-bar-slogan {
            font-size: 12px;
            color: #6E8CA0;
            letter-spacing: 0.4px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-slogan i {
            color: var(--secondary);
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .top-bar-right a {
            font-size: 12px;
            color: #8CA3B3;
            transition: var(--transition);
        }

        .top-bar-right a:hover {
            color: var(--secondary);
        }

        .top-bar-divider {
            width: 1px;
            height: 12px;
            background: rgba(255, 255, 255, 0.12);
        }

        .main-nav {
            background: var(--bg-dark);
            height: 72px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--secondary);
            font-size: 26px;
            filter: drop-shadow(0 0 8px rgba(0, 194, 168, 0.5));
        }

        .nav-logo span {
            background: linear-gradient(135deg, var(--white) 60%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo:hover {
            color: var(--white);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            position: relative;
            color: #B8D4E4;
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            transition: var(--transition);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 194, 168, 0.6);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--white);
            text-shadow: 0 0 12px rgba(0, 194, 168, 0.45);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--secondary), #00A98F);
            color: var(--white) !important;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 194, 168, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 168, 0.5);
            color: var(--white);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--white);
            font-size: 18px;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }

        .mobile-drawer {
            display: none;
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 8px 0 16px;
            box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer a {
            color: #B8D4E4;
            font-size: 15px;
            padding: 10px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--secondary);
            background: rgba(0, 194, 168, 0.08);
            text-shadow: 0 0 8px rgba(0, 194, 168, 0.4);
        }

        .mobile-drawer .nav-cta {
            margin-top: 8px;
            justify-content: center;
            text-align: center;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(247, 250, 252, 0.92) 0%, rgba(255, 255, 255, 0.88) 60%, rgba(0, 194, 168, 0.1) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 96px 0 72px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(0, 194, 168, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 194, 168, 0.12);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 194, 168, 0.3);
        }

        .hero-eyebrow i {
            color: var(--secondary);
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: 1px;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white) !important;
            border-radius: 8px;
            box-shadow: 0 4px 14px rgba(11, 79, 108, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.25), 0 8px 20px rgba(11, 79, 108, 0.3);
            color: var(--white) !important;
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary) !important;
            border-radius: 8px;
        }

        .btn-outline-primary:hover {
            background: rgba(11, 79, 108, 0.1);
            color: var(--primary) !important;
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent), #f7b84c);
            color: var(--white) !important;
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(245, 163, 0, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(245, 163, 0, 0.45), 0 8px 24px rgba(245, 163, 0, 0.3);
            color: var(--white) !important;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(0, 0, 0, 0.04);
            border-radius: 30px;
            padding: 6px 14px;
        }

        .hero-trust i {
            color: var(--secondary);
        }

        /* ===== Filter Chips ===== */
        .filter-bar {
            padding: 28px 0;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-light);
            font-size: 14px;
            padding: 8px 20px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .chip i {
            font-size: 13px;
            color: var(--secondary);
        }

        .chip:hover,
        .chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(11, 79, 108, 0.25);
        }

        /* ===== Section Header ===== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            background: rgba(0, 194, 168, 0.12);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 194, 168, 0.2);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 40px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-light);
            max-width: 560px;
            margin: 8px auto 0;
            font-size: 15px;
        }

        /* ===== Security Features ===== */
        .security-features {
            background: var(--bg);
            position: relative;
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary) 0%, transparent 100%);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 194, 168, 0.3);
        }

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

        .feature-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), #0E6E8C);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 22px;
            box-shadow: 0 4px 12px rgba(11, 79, 108, 0.25);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, var(--secondary), #008F7C);
            box-shadow: 0 4px 12px rgba(0, 194, 168, 0.3);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #F5A300, #D98100);
            box-shadow: 0 4px 12px rgba(245, 163, 0, 0.3);
        }

        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #5B7E9F, #3D5E7D);
            box-shadow: 0 4px 12px rgba(91, 126, 159, 0.3);
        }

        .feature-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 8px;
        }

        .feature-content p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Process Timeline ===== */
        .security-process {
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
        }

        .security-process .section-header h2 {
            color: var(--white);
        }

        .security-process .section-header p {
            color: rgba(184, 212, 228, 0.8);
        }

        .security-process .section-eyebrow {
            background: rgba(0, 194, 168, 0.15);
            border-color: rgba(0, 194, 168, 0.3);
        }

        .process-steps {
            position: relative;
            max-width: 780px;
            margin: 0 auto;
            padding-left: 0;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            left: 27px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom,
                    rgba(0, 194, 168, 0.9),
                    rgba(0, 194, 168, 0.3));
        }

        .process-item {
            position: relative;
            padding-left: 76px;
            margin-bottom: 40px;
        }

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

        .process-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(0, 194, 168, 0.2);
            z-index: 1;
        }

        .process-content {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: var(--transition);
        }

        .process-content:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(0, 194, 168, 0.3);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
        }

        .process-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .process-content h3 i {
            color: var(--secondary);
            font-size: 16px;
        }

        .process-content p {
            font-size: 14px;
            color: rgba(184, 212, 228, 0.75);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .security-stats {
            padding: 72px 0;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .stat-num {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== Guide Cards ===== */
        .guide-cards {
            background: var(--bg);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 194, 168, 0.25);
        }

        .card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 27, 42, 0.35), transparent 60%);
            opacity: 0;
            transition: var(--transition);
        }

        .guide-card:hover .card-cover::after {
            opacity: 1;
        }

        .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(10, 27, 42, 0.7);
            border: 1px solid rgba(0, 194, 168, 0.4);
            color: var(--secondary);
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 20px 22px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0 0 16px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid #F0F5F8;
            padding-top: 12px;
        }

        .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-light);
        }

        .card-meta .read-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
        }

        .card-meta .read-link i {
            transition: transform 0.25s ease;
        }

        .card-meta .read-link:hover {
            color: var(--secondary);
        }

        .card-meta .read-link:hover i {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            border-top: 1px solid var(--border);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion {
            --bs-accordion-bg: var(--bg-card);
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: 10px;
            --bs-accordion-btn-color: var(--text);
            --bs-accordion-active-bg: rgba(0, 194, 168, 0.05);
            --bs-accordion-active-color: var(--primary);
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 10px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(11, 79, 108, 0.03);
        }

        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 22px;
            background: var(--bg-card);
            transition: var(--transition);
        }

        .accordion-button:hover {
            color: var(--primary);
            background: rgba(0, 194, 168, 0.03);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 194, 168, 0.05);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button::after {
            flex-shrink: 0;
        }

        .accordion-body {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-light);
            padding: 8px 22px 20px;
            background: var(--bg-card);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 76px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #083C52 60%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 194, 168, 0.25) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 10%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 163, 0, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(184, 212, 228, 0.85);
            margin: 0 0 28px;
            line-height: 1.8;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            color: #8CA3B3;
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-brand .nav-logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #6E8CA0;
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

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

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

        .site-footer ul a {
            color: #8CA3B3;
            font-size: 13px;
            transition: var(--transition);
        }

        .site-footer ul a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #8CA3B3;
        }

        .footer-contact li i {
            color: var(--secondary);
            width: 18px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #6E8CA0;
            margin: 0;
        }

        .footer-bottom .domain-text {
            font-size: 11px;
            color: rgba(110, 140, 160, 0.6);
            letter-spacing: 1px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            :root {
                --spacing-section: 56px;
            }

            .nav-menu {
                gap: 16px;
            }

            .nav-menu a {
                font-size: 14px;
            }

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

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

            .security-process .section-header h2,
            .page-hero h1 {
                font-size: 30px;
            }

            .process-steps {
                max-width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .main-nav {
                height: 64px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .nav-logo i {
                font-size: 20px;
            }

            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-right .nav-cta {
                display: none;
            }

            .mobile-drawer a {
                font-size: 16px;
                padding: 12px 8px;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

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

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

            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-trust {
                gap: 10px;
            }

            .hero-trust span {
                font-size: 12px;
                padding: 5px 12px;
            }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-num {
                font-size: 36px;
            }

            .process-item {
                padding-left: 60px;
            }

            .process-num {
                width: 46px;
                height: 46px;
                font-size: 16px;
            }

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

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

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

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .filter-chips {
                gap: 8px;
            }

            .chip {
                font-size: 13px;
                padding: 7px 14px;
            }

            .features-grid {
                gap: 16px;
            }

            .feature-card {
                padding: 24px 18px;
                flex-direction: column;
                align-items: flex-start;
            }

            .feature-icon {
                width: 48px;
                height: 48px;
                font-size: 18px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .guide-grid {
                gap: 18px;
            }

            .card-cover {
                height: 170px;
            }

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

            .stat-item {
                padding: 24px 16px;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }

            .top-bar-slogan {
                font-size: 11px;
            }
        }

        /* ===== Focus States ===== */
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.15);
            border-color: var(--secondary);
        }