/* roulang page: index */
:root {
            --primary: #F25C2A;
            --primary-dark: #d94a1e;
            --success: #1FA26B;
            --success-light: #8ED3A9;
            --gold: #F5B84B;
            --bg-warm: #FAF7F3;
            --card-bg: #FFFFFF;
            --text-main: #261F1A;
            --text-muted: #6E675F;
            --border-light: #E5DED6;
            --gradient-main: 135deg, #F25C2A, #F5B84B;
            --gradient-success: 135deg, #1FA26B, #8ED3A9;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(38, 31, 26, 0.06);
            --shadow-md: 0 8px 24px rgba(38, 31, 26, 0.1);
            --shadow-lg: 0 12px 32px rgba(38, 31, 26, 0.12);
            --transition: 0.2s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-warm);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* ========== 头部导航 ========== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 8px rgba(38, 31, 26, 0.05);
            position: sticky;
            top: 0;
            z-index: 1060;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text-main) !important;
            letter-spacing: 0.02em;
            padding: 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 50%;
            background: linear-gradient(var(--gradient-main));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: #FFF;
            box-shadow: 0 4px 10px rgba(242, 92, 42, 0.28);
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            color: var(--text-main) !important;
            font-weight: 500;
            padding: 0.65rem 1rem;
            position: relative;
            text-align: center;
            transition: color 0.2s ease;
        }

        .site-header .nav-link::after {
            content: '';
            display: block;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            margin: 4px auto 0;
            transition: width 0.25s ease;
        }

        .site-header .nav-link:hover {
            color: var(--primary) !important;
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            width: 24px;
        }

        .site-header .nav-link.active {
            font-weight: 700;
            color: var(--primary) !important;
        }

        .header-search {
            position: relative;
            width: 180px;
        }

        .header-search .form-control {
            height: 40px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: var(--bg-warm);
            padding-left: 38px;
            font-size: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .header-search .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(242, 92, 42, 0.12);
            outline: none;
            background: #FFF;
        }

        .header-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .btn-brand {
            background: linear-gradient(var(--gradient-main));
            color: #FFF;
            border: none;
            border-radius: 50px;
            padding: 10px 26px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 92, 42, 0.24);
            transition: all 0.22s ease;
            white-space: nowrap;
        }

        .btn-brand:hover {
            color: #FFF;
            filter: brightness(1.05);
            box-shadow: 0 8px 24px rgba(242, 92, 42, 0.35);
            transform: translateY(-2px);
        }

        .btn-brand:active {
            transform: translateY(0);
            opacity: 0.9;
            box-shadow: 0 4px 14px rgba(242, 92, 42, 0.24);
        }

        .btn-brand:focus-visible,
        .btn-outline-brand:focus-visible,
        .btn-white:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-outline-brand {
            background: #FFF;
            border: 1.5px solid var(--border-light);
            border-radius: 50px;
            padding: 10px 26px;
            color: var(--text-main);
            font-weight: 600;
            transition: all 0.22s ease;
            white-space: nowrap;
        }

        .btn-outline-brand:hover {
            border-color: var(--primary);
            background: rgba(242, 92, 42, 0.05);
            color: var(--primary);
        }

        .btn-white {
            background: #FFF;
            color: var(--text-main);
            border: none;
            border-radius: 50px;
            padding: 13px 34px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
            transition: all 0.22s ease;
            white-space: nowrap;
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            color: var(--text-main);
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(242, 92, 42, 0.15);
            border-color: var(--primary);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 96px 0 90px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(24, 12, 6, 0.88) 15%, rgba(30, 20, 14, 0.72) 45%, rgba(20, 10, 6, 0.35) 100%);
        }

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

        .hero-title {
            color: #FFF;
            font-size: 46px;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            max-width: 640px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.92);
            font-size: 18px;
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 30px;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 20px;
        }

        .hero-badge-card {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 24px;
            color: #FFF;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            text-align: center;
            min-width: 160px;
        }

        .hero-badge-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
        }

        .hero-badge-card .badge-num {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            color: #FFF;
            display: block;
        }

        .hero-badge-card .badge-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .hero-badge-wrap {
            position: absolute;
            right: 0;
            bottom: -10px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            z-index: 3;
            width: 200px;
        }

        /* ========== 数据徽章条 ========== */
        .data-badge-section {
            padding: 48px 0;
            background: var(--bg-warm);
        }

        .data-badge-wrap-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-badge-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255, 255, 255, 1);
            transition: var(--transition);
        }

        .data-badge-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .data-badge-item .num {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .data-badge-item .num span {
            color: var(--primary);
            font-size: 20px;
            font-weight: 700;
        }

        .data-badge-item .label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== 板块标题 ========== */
        .section-block {
            padding: 90px 0;
        }

        .section-block.alt-bg {
            background: #FFF;
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 40px;
        }

        .section-bar {
            width: 4px;
            height: 30px;
            background: linear-gradient(var(--gradient-main));
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .section-header .section-index {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.1em;
            margin-left: auto;
            align-self: flex-end;
            padding-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .section-header .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.6;
        }

        .section-block .section-header .section-bar {
            height: 34px;
        }

        /* ========== 权益对比表 ========== */
        .plan-compare-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            flex: 1 1 280px;
            max-width: 350px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .plan-card.popular-plan {
            transform: scale(1.06);
            border: 2px solid var(--primary);
            box-shadow: 0 0 0 1px rgba(242, 92, 42, 0.15), var(--shadow-lg);
            z-index: 2;
        }

        .plan-card.popular-plan:hover {
            transform: scale(1.06) translateY(-4px);
        }

        .hot-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(var(--gradient-main));
            color: #FFF;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            white-space: nowrap;
            letter-spacing: 0.06em;
            box-shadow: 0 4px 12px rgba(242, 92, 42, 0.35);
        }

        .plan-card .plan-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .plan-card .plan-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .plan-card .plan-price .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .plan-divider {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 16px 0;
        }

        .plan-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex-grow: 1;
        }

        .plan-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .plan-list .icon-check {
            color: var(--success);
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .plan-list .icon-times {
            color: #bab0a6;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .plan-list .muted-text {
            color: var(--text-muted);
            text-decoration: line-through;
            font-size: 14px;
        }

        .plan-card .btn-plan {
            background: var(--bg-warm);
            border: 1.5px solid var(--border-light);
            border-radius: 50px;
            padding: 11px 20px;
            font-weight: 600;
            color: var(--text-main);
            text-align: center;
            transition: all 0.22s ease;
        }

        .plan-card .btn-plan:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(242, 92, 42, 0.05);
        }

        .plan-card.popular-plan .btn-plan {
            background: linear-gradient(var(--gradient-main));
            color: #FFF;
            border: none;
            box-shadow: 0 4px 14px rgba(242, 92, 42, 0.3);
        }

        .plan-card.popular-plan .btn-plan:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(242, 92, 42, 0.4);
        }

        /* ========== 等级亮点台阶 ========== */
        .tier-steps-row {
            display: flex;
            align-items: flex-end;
            gap: 20px;
            margin-top: 10px;
        }

        .tier-step-card {
            flex: 1;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border-top: 3px solid transparent;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            position: relative;
        }

        .tier-step-card:nth-child(1) {
            transform: translateY(0);
            border-top-color: #E8C58A;
        }

        .tier-step-card:nth-child(2) {
            transform: translateY(12px);
            border-top-color: var(--gold);
        }

        .tier-step-card:nth-child(3) {
            transform: translateY(24px);
            border-top-color: var(--success);
        }

        .tier-step-card:nth-child(4) {
            transform: translateY(36px);
            border-top-color: var(--primary);
        }

        .tier-step-card:hover {
            box-shadow: var(--shadow-md);
        }

        .tier-step-card .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(var(--gradient-main));
            color: #FFF;
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-variant-numeric: tabular-nums;
        }

        .tier-step-card:nth-child(3) .step-num,
        .tier-step-card:nth-child(4) .step-num {
            background: linear-gradient(var(--gradient-success));
        }

        .tier-step-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .tier-step-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== 专属内容预览 ========== */
        .preview-card-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .preview-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .preview-cover {
            position: relative;
            overflow: hidden;
            height: 200px;
            background-color: #f0e9e1;
        }

        .preview-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .vip-corner {
            position: absolute;
            top: 14px;
            left: 14px;
            background: linear-gradient(var(--gradient-success));
            color: #FFF;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 10px rgba(31, 162, 107, 0.3);
        }

        .preview-lock {
            position: absolute;
            bottom: 14px;
            right: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.92);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 16px;
            transition: all 0.25s ease;
            cursor: default;
        }

        .preview-card:hover .preview-lock {
            background: var(--primary);
            color: #FFF;
            transform: scale(1.08);
        }

        .preview-body {
            padding: 20px 22px 24px;
        }

        .preview-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
            line-height: 1.5;
        }

        .preview-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.65;
        }

        .preview-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .preview-meta .badge-soft {
            background: rgba(242, 92, 42, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }

        .preview-card .preview-body .btn-sm-brand {
            display: inline-block;
            margin-top: 6px;
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .preview-card .preview-body .btn-sm-brand:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(242, 92, 42, 0.05);
        }

        /* ========== 最新信息 CMS ========== */
        .latest-news-section {
            background: #FFF;
        }

        .news-main-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .news-main-card .news-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            background-color: #f0e9e1;
        }

        .news-main-card .news-body {
            padding: 24px;
            flex: 1;
        }

        .news-main-card .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .news-main-card:hover .news-title {
            color: var(--primary);
        }

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

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-meta .badge-soft {
            background: rgba(242, 92, 42, 0.08);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 12px;
        }

        .news-slim-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-slim-item {
            display: flex;
            gap: 14px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 14px;
            box-shadow: var(--shadow-sm);
            align-items: center;
            transition: box-shadow 0.2s ease, transform 0.2s ease;
            border: 1px solid transparent;
        }

        .news-slim-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(242, 92, 42, 0.15);
        }

        .news-slim-item .thumb {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: #f0e9e1;
        }

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

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

        .news-slim-item .slim-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.2s ease;
        }

        .news-slim-item:hover .slim-title {
            color: var(--primary);
        }

        .news-slim-item .slim-desc {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }

        .news-slim-item .slim-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-slim-item .slim-meta .tag {
            background: rgba(242, 92, 42, 0.08);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 11px;
        }

        .news-empty {
            background: var(--bg-warm);
            border: 2px dashed #d8d0c6;
            border-radius: var(--radius-lg);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-muted);
        }

        .news-empty .empty-icon {
            font-size: 48px;
            color: #c9bfb4;
            margin-bottom: 14px;
            display: block;
        }

        .news-empty p {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: 16px !important;
            overflow: hidden;
            margin-bottom: 16px;
            background: var(--card-bg);
            box-shadow: none;
            transition: border-color 0.25s ease;
        }

        .faq-section .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
        }

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

        .faq-section .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #FFF;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(242, 92, 42, 0.12);
            border-radius: 16px;
        }

        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' viewBox='0 0 24 24' stroke='%23F25C2A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
            background-size: 18px;
            width: 24px;
            height: 24px;
            background-color: rgba(242, 92, 42, 0.08);
            border-radius: 50%;
            background-position: center;
            background-repeat: no-repeat;
            transition: transform 0.3s ease;
        }

        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-color: rgba(242, 92, 42, 0.15);
        }

        .faq-section .accordion-body {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-section h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-warm);
        }

        .cta-card {
            background: linear-gradient(135deg, #F25C2A 0%, #F5B84B 100%);
            border-radius: 28px;
            padding: 60px 56px;
            color: #FFF;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(242, 92, 42, 0.3);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 28px solid rgba(255, 255, 255, 0.12);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: 40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 18px solid rgba(255, 255, 255, 0.1);
        }

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

        .cta-card h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #FFF;
        }

        .cta-card p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 22px;
            max-width: 440px;
            line-height: 1.6;
        }

        .cta-card .price-highlight {
            font-size: 42px;
            font-weight: 800;
            color: #FFF;
            display: inline-block;
            margin-bottom: 18px;
            text-shadow: 0 2px 14px rgba(0, 0, 0, 0.15);
        }

        .cta-card .price-highlight small {
            font-size: 18px;
            font-weight: 500;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1E1916;
            color: #b8b0a6;
            padding-top: 60px;
            margin-top: 0;
        }

        .footer-top-line {
            height: 3px;
            background: linear-gradient(var(--gradient-main));
            width: 100%;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFF;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: #9b9288;
            margin-bottom: 0;
        }

        .site-footer h5 {
            color: #FFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

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

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

        .site-footer .footer-links a {
            color: #9b9288;
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

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

        .site-footer .footer-contact {
            font-size: 14px;
            color: #9b9288;
            line-height: 2;
        }

        .site-footer .footer-contact i {
            color: var(--gold);
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: #7d7369;
        }

        .footer-bottom a {
            color: #d8cfc5;
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1199.98px) {
            .hero-title {
                font-size: 42px;
            }

            .hero-badge-wrap {
                right: 12px;
            }
        }

        @media (max-width: 991.98px) {
            .section-block {
                padding: 70px 0;
            }

            .hero-section {
                padding: 80px 0;
                min-height: 520px;
            }

            .hero-badge-wrap {
                position: static;
                flex-direction: row;
                width: auto;
                margin-top: 28px;
                flex-wrap: wrap;
            }

            .hero-badge-card {
                min-width: 140px;
                flex: 1;
            }

            .data-badge-wrap-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .plan-compare-wrap {
                gap: 20px;
            }

            .plan-card {
                max-width: 48%;
            }

            .plan-card.popular-plan {
                order: -1;
            }

            .tier-steps-row {
                flex-wrap: wrap;
                gap: 18px;
            }

            .tier-step-card {
                flex: 1 1 calc(50% - 20px);
            }

            .tier-step-card:nth-child(1),
            .tier-step-card:nth-child(2),
            .tier-step-card:nth-child(3),
            .tier-step-card:nth-child(4) {
                transform: translateY(0);
            }

            .cta-card {
                padding: 48px 32px;
            }

            .header-search {
                width: 140px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 56px 0;
            }

            .hero-section {
                padding: 60px 0;
                min-height: auto;
            }

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

            .hero-subtitle {
                font-size: 17px;
            }

            .hero-badge-wrap {
                margin-top: 24px;
            }

            .hero-badge-card {
                min-width: 100%;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .section-header .section-index {
                display: none;
            }

            .data-badge-wrap-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-badge-item {
                padding: 22px 12px;
            }

            .data-badge-item .num {
                font-size: 28px;
            }

            .plan-card {
                max-width: 100%;
                flex: 1 1 100%;
            }

            .plan-card.popular-plan {
                transform: scale(1.02);
            }

            .plan-card.popular-plan:hover {
                transform: scale(1.02) translateY(-4px);
            }

            .tier-steps-row {
                display: block;
                position: relative;
                padding-left: 30px;
                margin-left: 12px;
            }

            .tier-steps-row::before {
                content: '';
                position: absolute;
                left: 0;
                top: 10px;
                bottom: 10px;
                width: 2px;
                background: var(--border-light);
            }

            .tier-step-card {
                margin-bottom: 20px;
                text-align: left;
                position: relative;
                transform: none !important;
            }

            .tier-step-card .step-num {
                position: absolute;
                left: -39px;
                top: 20px;
                z-index: 2;
            }

            .preview-card-wrap {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .news-main-card .news-img {
                height: 160px;
            }

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

            .cta-card p {
                font-size: 16px;
            }

            .cta-card .price-highlight {
                font-size: 34px;
            }

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

            .hero-actions .btn-brand,
            .hero-actions .btn-outline-brand {
                width: 100%;
                justify-content: center;
            }

            .footer-bottom {
                text-align: center;
            }

            .site-footer .col-md-3 {
                margin-bottom: 28px;
            }

            .header-search {
                display: none;
            }

            .site-header .navbar-nav {
                padding: 10px 0;
            }

            .site-header .nav-link {
                text-align: left;
                padding: 10px 0;
            }

            .site-header .nav-link::after {
                margin: 2px 0 0;
            }
        }

        @media (max-width: 520px) {
            .data-badge-wrap-row {
                grid-template-columns: 1fr 1fr;
            }

            .data-badge-item .num {
                font-size: 24px;
            }

            .news-slim-item .thumb {
                width: 60px;
                height: 60px;
            }

            .news-slim-item .slim-desc {
                display: none;
            }

            .section-header {
                margin-bottom: 28px;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #F25C2A;
            --brand-dark: #D8451A;
            --accent: #1FA26B;
            --accent-light: #8ED3A9;
            --gold: #F5B84B;
            --bg: #FAF7F3;
            --card: #FFFFFF;
            --ink: #261F1A;
            --ink-soft: #6E675F;
            --border: #E5DED6;
            --border-warm: #F0E8E0;
            --gradient: linear-gradient(135deg, #F25C2A 0%, #F5B84B 100%);
            --gradient-soft: linear-gradient(135deg, #1FA26B 0%, #8ED3A9 100%);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(38, 31, 26, 0.06);
            --shadow-hover: 0 12px 32px rgba(38, 31, 26, 0.12);
            --transition: 0.2s ease;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--ink);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-padding {
            padding: 96px 0;
        }
        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 40px;
        }
        .section-title-wrap .bar {
            width: 4px;
            height: 30px;
            border-radius: 4px;
            background: var(--brand);
            flex-shrink: 0;
        }
        .section-title-wrap .section-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            background: rgba(242, 92, 42, 0.08);
            padding: 4px 10px;
            border-radius: 30px;
            letter-spacing: 1px;
        }
        .section-title-wrap h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.3;
        }
        .section-title-wrap .desc {
            font-size: 14px;
            color: var(--ink-soft);
            margin-left: auto;
            max-width: 360px;
            text-align: right;
        }
        .btn {
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 26px;
            transition: all 0.2s ease;
            border: none;
        }
        .btn:focus-visible,
        .form-control:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-brand {
            background: var(--gradient);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 92, 42, 0.25);
            border: none;
        }
        .btn-brand:hover {
            color: #fff;
            filter: brightness(1.05);
            box-shadow: 0 8px 24px rgba(242, 92, 42, 0.35);
            transform: translateY(-2px);
        }
        .btn-brand:active {
            transform: translateY(0);
            opacity: 0.9;
        }
        .btn-outline-brand {
            background: #fff;
            color: var(--ink);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all var(--transition);
        }
        .btn-outline-brand:hover {
            border-color: var(--brand);
            background: rgba(242, 92, 42, 0.05);
            color: var(--brand);
            transform: translateY(-2px);
        }
        .badge-tag {
            display: inline-block;
            background: rgba(242, 92, 42, 0.08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .badge-tag-green {
            background: rgba(31, 162, 107, 0.1);
            color: var(--accent);
        }
        .badge-tag-gold {
            background: rgba(245, 184, 75, 0.15);
            color: #B77B1C;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(38, 31, 26, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .site-header .navbar {
            padding: 10px 0;
            min-height: 64px;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--ink);
            padding: 0;
        }
        .site-header .navbar-brand:hover {
            color: var(--ink);
        }
        .site-header .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(242, 92, 42, 0.25);
            flex-shrink: 0;
        }
        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-soft);
            padding: 8px 14px !important;
            position: relative;
            transition: color 0.2s ease;
        }
        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
            transition: width 0.25s ease;
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 20px;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--ink);
            font-weight: 700;
        }
        .header-search {
            position: relative;
        }
        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
            font-size: 14px;
            z-index: 2;
        }
        .header-search .form-control {
            width: 180px;
            border-radius: 50px;
            padding: 9px 16px 9px 40px;
            font-size: 13px;
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .header-search .form-control:focus {
            border-color: var(--brand);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(242, 92, 42, 0.12);
        }
        .navbar-toggler {
            border: none;
            font-size: 24px;
            color: var(--ink);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #FDF6F0 0%, #F7EADD 50%, #F4E3D3 100%);
            padding: 72px 0 64px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-warm);
        }
        .page-banner::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 92, 42, 0.10) 0%, rgba(242, 92, 42, 0) 70%);
            pointer-events: none;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -100px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31, 162, 107, 0.08) 0%, rgba(31, 162, 107, 0) 70%);
            pointer-events: none;
        }
        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb-custom {
            font-size: 13px;
            color: var(--ink-soft);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb-custom a {
            color: var(--ink-soft);
            transition: color var(--transition);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: var(--brand);
        }
        .page-banner .breadcrumb-custom .sep {
            display: inline-block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #CCC3BB;
        }
        .page-banner h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 14px;
            color: var(--ink);
        }
        .page-banner h1 span {
            color: var(--brand);
            position: relative;
        }
        .page-banner .banner-sub {
            font-size: 16px;
            color: var(--ink-soft);
            max-width: 640px;
            line-height: 1.8;
        }
        .page-banner .banner-stat-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .page-banner .banner-stat {
            background: #fff;
            border-radius: 14px;
            padding: 14px 22px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            min-width: 110px;
            border: 1px solid rgba(229, 222, 214, 0.7);
        }
        .page-banner .banner-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .page-banner .banner-stat .label {
            font-size: 12px;
            color: var(--ink-soft);
            margin-top: 4px;
        }
        .page-banner .banner-actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        /* ===== Platform Recommend Cards ===== */
        .platform-recommend {
            padding: 96px 0 72px;
        }
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .platform-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 222, 214, 0.6);
            transition: all var(--transition);
            display: flex;
            gap: 18px;
            position: relative;
            overflow: hidden;
        }
        .platform-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(242, 92, 42, 0.3);
        }
        .platform-card .cover-col {
            width: 120px;
            height: 120px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .platform-card .cover-col img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .platform-card:hover .cover-col img {
            transform: scale(1.05);
        }
        .platform-card .main-col {
            flex: 1;
            min-width: 0;
        }
        .platform-card .card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .platform-card .platform-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.3;
        }
        .platform-card .score {
            font-size: 14px;
            font-weight: 700;
            color: #B77B1C;
            background: rgba(245, 184, 75, 0.15);
            padding: 3px 12px;
            border-radius: 30px;
            font-variant-numeric: tabular-nums;
        }
        .platform-card .desc {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.65;
            margin: 8px 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .platform-card .tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .platform-card .tag-row .badge-tag {
            font-size: 11px;
            padding: 3px 12px;
        }

        /* ===== Quick Compare Table ===== */
        .quick-compare {
            padding: 72px 0 96px;
            background: linear-gradient(180deg, rgba(250, 247, 243, 0) 0%, #F3EDE6 100%);
        }
        .compare-wrapper {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 222, 214, 0.6);
            overflow: hidden;
            padding: 24px;
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 10px;
        }
        .compare-table th {
            font-size: 13px;
            font-weight: 700;
            color: var(--ink-soft);
            text-transform: none;
            padding: 12px 16px;
            background: var(--bg);
            border: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .compare-table th:first-child {
            border-radius: 10px 0 0 10px;
        }
        .compare-table th:last-child {
            border-radius: 0 10px 10px 0;
        }
        .compare-table td {
            padding: 16px;
            font-size: 14px;
            border-bottom: 1px solid var(--border-warm);
            vertical-align: middle;
            color: var(--ink);
            background: #fff;
            line-height: 1.6;
        }
        .compare-table td:first-child {
            border-radius: 10px 0 0 10px;
        }
        .compare-table td:last-child {
            border-radius: 0 10px 10px 0;
        }
        .compare-table tr:hover td {
            background: #FDF8F4;
        }
        .compare-table .platform-cell {
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-table .platform-thumb {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-warm);
        }
        .compare-table .platform-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .compare-table .score-cell {
            font-weight: 700;
            color: var(--brand);
            font-variant-numeric: tabular-nums;
        }
        .compare-table .tag-cell {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .compare-note {
            font-size: 13px;
            color: var(--ink-soft);
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-warm);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-note i {
            color: var(--brand);
        }

        /* ===== Features ===== */
        .features-section {
            padding: 96px 0;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 222, 214, 0.6);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .feature-card .icon-box.orange {
            background: rgba(242, 92, 42, 0.10);
            color: var(--brand);
        }
        .feature-card .icon-box.green {
            background: rgba(31, 162, 107, 0.10);
            color: var(--accent);
        }
        .feature-card .icon-box.gold {
            background: rgba(245, 184, 75, 0.15);
            color: #B77B1C;
        }
        .feature-card .icon-box.gray {
            background: rgba(110, 103, 95, 0.08);
            color: var(--ink-soft);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: linear-gradient(180deg, #FAF7F3 0%, #F3EDE6 100%);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item.active {
            border-color: var(--brand);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 16px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--brand);
        }
        .faq-item .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-item .faq-icon i {
            font-size: 14px;
            color: var(--ink-soft);
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--brand);
            border-color: var(--brand);
        }
        .faq-item.active .faq-icon i {
            transform: rotate(45deg);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
        }

        /* ===== Related Categories ===== */
        .related-cats {
            padding: 96px 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 222, 214, 0.6);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .related-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(242, 92, 42, 0.04);
            pointer-events: none;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .icon-oval {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 10px rgba(242, 92, 42, 0.2);
        }
        .related-card .icon-oval.green {
            background: var(--gradient-soft);
            box-shadow: 0 4px 10px rgba(31, 162, 107, 0.2);
        }
        .related-card .icon-oval.gold {
            background: linear-gradient(135deg, #F5B84B, #E8A23A);
            box-shadow: 0 4px 10px rgba(245, 184, 75, 0.3);
        }
        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 4px 0 0;
        }
        .related-card p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }
        .related-card .link-go {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .related-card .link-go:hover {
            gap: 10px;
            color: var(--brand-dark);
        }

        /* ===== CTA ===== */
        .cat-cta {
            padding: 96px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, #261F1A 0%, #3D322A 60%, #4A382C 100%);
            border-radius: 24px;
            padding: 56px 60px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 2px dashed rgba(245, 184, 75, 0.3);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px dashed rgba(242, 92, 42, 0.25);
        }
        .cta-box .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .cta-price {
            font-size: 20px;
            color: var(--gold);
            font-weight: 700;
            margin-bottom: 24px;
            font-variant-numeric: tabular-nums;
        }
        .cta-box .btn-cta {
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            padding: 14px 44px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 6px 20px rgba(242, 92, 42, 0.35);
            transition: all var(--transition);
        }
        .cta-box .btn-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(242, 92, 42, 0.45);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1E1916;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-top-line {
            height: 2px;
            background: var(--gradient);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }
        .site-footer .footer-about {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition), padding-left var(--transition);
            display: inline-block;
        }
        .site-footer .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .site-footer .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .footer-contact i {
            color: var(--gold);
            font-size: 15px;
            width: 18px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }
        .site-footer .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding-bottom: 16px;
            }
            .navbar-nav {
                gap: 4px;
                padding: 12px 0;
            }
            .header-search {
                margin-left: 4px;
            }
            .platform-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title-wrap .desc {
                display: none;
            }
            .page-banner {
                padding: 60px 0 48px;
            }
        }
        @media (max-width: 767.98px) {
            .section-padding {
                padding: 60px 0;
            }
            .platform-recommend,
            .features-section,
            .faq-section,
            .related-cats,
            .cat-cta {
                padding: 60px 0;
            }
            .quick-compare {
                padding: 48px 0 60px;
            }
            .page-banner {
                padding: 44px 0 36px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner .banner-sub {
                font-size: 15px;
            }
            .section-title-wrap h2 {
                font-size: 24px;
            }
            .platform-grid {
                grid-template-columns: 1fr;
            }
            .platform-card {
                flex-direction: column;
            }
            .platform-card .cover-col {
                width: 100%;
                height: 160px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrapper {
                padding: 12px;
                overflow-x: auto;
            }
            .compare-table {
                min-width: 600px;
            }
            .cta-box {
                padding: 40px 24px;
                border-radius: 16px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .page-banner .banner-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-banner .banner-stat-group {
                margin-top: 16px;
            }
            .site-footer .footer-brand {
                margin-top: 8px;
            }
        }
        @media (max-width: 575.98px) {
            .page-banner .banner-stat {
                min-width: 90px;
                padding: 10px 14px;
            }
            .page-banner .banner-stat .num {
                font-size: 22px;
            }
            .page-banner .banner-actions .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .platform-grid {
                gap: 16px;
            }
            .platform-card {
                padding: 18px;
            }
            .features-grid {
                gap: 14px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .faq-item .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: article */
:root {
            --brand-primary: #F25C2A;
            --brand-secondary: #1FA26B;
            --accent-gold: #F5B84B;
            --bg-warm: #FAF7F3;
            --card-bg: #FFFFFF;
            --text-main: #261F1A;
            --text-muted: #6E675F;
            --border-light: #E5DED6;
            --footer-bg: #1E1916;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 4px 16px rgba(38, 31, 26, 0.06);
            --shadow-hover: 0 12px 32px rgba(38, 31, 26, 0.12);
            --section-space: 96px;
            --gradient-primary: linear-gradient(135deg, #F25C2A, #F5B84B);
            --gradient-secondary: linear-gradient(135deg, #1FA26B, #8ED3A9);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 8px rgba(38, 31, 26, 0.05);
            position: sticky;
            top: 0;
            z-index: 1020;
        }

        .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }

        .navbar-brand:hover {
            color: var(--brand-primary);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-primary);
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(242, 92, 42, 0.3);
            flex-shrink: 0;
        }

        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: 30px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: rgba(242, 92, 42, 0.06);
        }

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

        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            font-weight: 700;
        }

        .header-search {
            width: 180px;
        }

        .header-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-search .form-control {
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding-left: 40px;
            font-size: 14px;
            height: 40px;
            box-shadow: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .header-search .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 0.2rem rgba(242, 92, 42, 0.12);
            background: #fff;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        .btn-brand:hover {
            color: #fff;
            filter: brightness(1.05);
            box-shadow: 0 8px 24px rgba(242, 92, 42, 0.35);
            transform: translateY(-2px);
        }

        .btn-brand:active {
            transform: translateY(0);
            filter: brightness(0.95);
            opacity: 0.9;
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border-light);
            color: var(--text-main);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        .btn-outline-brand:hover {
            border-color: var(--brand-primary);
            background: rgba(242, 92, 42, 0.05);
            color: var(--brand-primary);
            box-shadow: 0 6px 18px rgba(242, 92, 42, 0.15);
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .btn-brand:focus-visible,
        .btn-outline-brand:focus-visible,
        .form-control:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            color: var(--text-main);
            font-size: 22px;
            padding: 6px 12px;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(242, 92, 42, 0.15);
        }

        .page-banner {
            background: linear-gradient(135deg, rgba(250, 247, 243, 0.94), rgba(255, 255, 255, 0.88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 52px 0 44px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-nav i {
            font-size: 12px;
            color: #b8b0a8;
        }

        .page-h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 18px;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-meta .meta-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(242, 92, 42, 0.1);
            color: var(--brand-primary);
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-section {
            padding: 48px 0 24px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px 48px;
            max-width: 780px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--text-main);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-light);
        }

        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 32px 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--brand-primary);
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin: 24px 0 12px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }

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

        .article-content a:hover {
            color: var(--brand-primary);
            filter: brightness(0.9);
        }

        .article-content blockquote {
            background: rgba(245, 184, 75, 0.12);
            border-left: 4px solid var(--accent-gold);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: var(--text-muted);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .tag-share-row {
            border-top: 1px solid var(--border-light);
            margin-top: 32px;
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-list .tag-item {
            display: inline-block;
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 30px;
            transition: all 0.2s ease;
        }

        .tag-list .tag-item:hover {
            background: rgba(242, 92, 42, 0.08);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .share-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .share-row .share-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .share-row .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 15px;
            background: #fff;
            transition: all 0.2s ease;
        }

        .share-row .share-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: rgba(242, 92, 42, 0.05);
            transform: translateY(-2px);
        }

        .not-found-body {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found-body i {
            font-size: 48px;
            color: var(--border-light);
            display: block;
            margin-bottom: 16px;
        }

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

        .not-found-body p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .related-section {
            padding: 64px 0 40px;
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
        }

        .section-title .title-bar {
            width: 4px;
            height: 30px;
            background: var(--brand-primary);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-title h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0;
            color: var(--text-main);
        }

        .related-card {
            display: block;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
            border: 1px solid rgba(229, 222, 214, 0.6);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .related-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-warm);
        }

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

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

        .related-body {
            padding: 20px 20px 24px;
        }

        .related-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text-main);
            transition: color 0.2s ease;
        }

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

        .related-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .cat-tag {
            display: inline-block;
            background: rgba(242, 92, 42, 0.1);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 30px;
        }

        .back-section {
            padding-bottom: 64px;
            text-align: center;
        }

        .cta-section {
            padding-bottom: 80px;
        }

        .cta-card {
            background: var(--gradient-primary);
            border-radius: 28px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(242, 92, 42, 0.3);
        }

        .cta-card::before,
        .cta-card::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .cta-card::before {
            width: 200px;
            height: 200px;
            top: -70px;
            right: -60px;
        }

        .cta-card::after {
            width: 120px;
            height: 120px;
            bottom: -40px;
            left: 20%;
            border: 3px solid rgba(255, 255, 255, 0.12);
            background: transparent;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            flex: 1 1 320px;
        }

        .cta-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin-bottom: 0;
        }

        .cta-action {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        .cta-action .btn-light {
            border-radius: var(--radius-pill);
            padding: 14px 34px;
            font-weight: 700;
            font-size: 16px;
            background: #fff;
            color: var(--brand-primary);
            border: none;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .cta-action .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
            color: var(--brand-primary);
        }

        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, 0.8);
            border-top: 4px solid var(--brand-primary);
        }

        .footer-top-line {
            height: 2px;
            background: var(--gradient-primary);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .brand-icon {
            box-shadow: none;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            max-width: 320px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

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

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact i {
            margin-right: 8px;
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                padding: 16px 0;
            }

            .navbar-nav {
                margin: 12px 0;
            }

            .navbar-nav .nav-link {
                padding: 10px 18px;
                border-radius: 12px;
            }

            .navbar-nav .nav-link::after {
                display: none;
            }

            .navbar-nav .nav-link.active,
            .navbar-nav .nav-link:hover {
                background: rgba(242, 92, 42, 0.1);
            }

            .header-search.d-none {
                display: none !important;
            }

            .article-card {
                padding: 28px 24px;
            }

            .cta-card {
                padding: 36px 28px;
            }

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

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

        @media (max-width: 767px) {
            .page-banner {
                padding: 36px 0 32px;
            }

            .page-h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .article-section {
                padding: 32px 0 16px;
            }

            .article-card {
                padding: 20px 16px;
                border-radius: 16px;
            }

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

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

            .article-content h3 {
                font-size: 19px;
            }

            .tag-share-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-section {
                padding: 48px 0 32px;
            }

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

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

            .cta-card {
                padding: 32px 22px;
                flex-direction: column;
                text-align: center;
                border-radius: 20px;
            }

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

            .cta-action .btn-light {
                width: 100%;
            }

            .back-section {
                padding-bottom: 40px;
            }
        }

        @media (max-width: 575px) {
            .related-card {
                margin-bottom: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #F25C2A;
            --brand-secondary: #1FA26B;
            --brand-accent: #F5B84B;
            --bg-warm: #FAF7F3;
            --card-bg: #FFFFFF;
            --text-dark: #261F1A;
            --text-muted: #6E675F;
            --border-light: #E5DED6;
            --grad-main: 135deg, #F25C2A, #F5B84B;
            --grad-secondary: 135deg, #1FA26B, #8ED3A9;
            --radius-lg: 20px;
            --radius-sm: 12px;
            --shadow-sm: 0 4px 16px rgba(38, 31, 26, 0.06);
            --shadow-hover: 0 12px 32px rgba(38, 31, 26, 0.12);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-warm);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 8px rgba(38, 31, 26, 0.05);
            position: sticky;
            top: 0;
            z-index: 1020;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--text-dark) !important;
            font-size: 20px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(var(--grad-main));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 16px !important;
            position: relative;
        }
        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--brand-primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .25s ease;
        }
        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            font-weight: 700;
            color: var(--brand-primary);
        }
        .site-header .navbar-toggler {
            border: none;
            font-size: 22px;
            color: var(--text-dark);
            padding: 4px 8px;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: none;
        }
        .header-search {
            width: 180px;
        }
        .header-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #9a938b;
            font-size: 14px;
            z-index: 2;
        }
        .header-search .form-control {
            padding-left: 36px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: #f8f5f1;
            font-size: 13px;
            color: var(--text-dark);
            height: 38px;
        }
        .header-search .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(242, 92, 42, 0.12);
            background: #fff;
        }
        .btn-brand {
            background: linear-gradient(var(--grad-main));
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s ease;
        }
        .btn-brand:hover {
            color: #fff;
            box-shadow: 0 8px 24px rgba(242, 92, 42, 0.35);
            transform: translateY(-2px);
            filter: brightness(1.05);
        }
        .btn-brand:active {
            transform: translateY(0);
            opacity: 0.9;
        }
        .btn-brand:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            background:
                linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.88)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 64px 0 48px;
            border-bottom: 1px solid var(--border-light);
        }
        .category-banner .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            background: transparent;
            padding: 0;
        }
        .category-banner .breadcrumb a:hover {
            color: var(--brand-primary);
        }
        .category-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .category-banner .lead-text {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 24px;
        }
        .category-banner .banner-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .category-banner .banner-stats .stat-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            min-width: 130px;
            box-shadow: var(--shadow-sm);
        }
        .category-banner .banner-stats .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-primary);
            font-variant-numeric: tabular-nums;
        }
        .category-banner .banner-stats .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 40px;
        }
        .section-bar {
            display: block;
            width: 4px;
            height: 30px;
            border-radius: 2px;
            background: var(--brand-primary);
            flex-shrink: 0;
        }
        .section-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 1px;
            background: rgba(242, 92, 42, 0.1);
            border-radius: 20px;
            padding: 2px 10px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0;
            color: var(--text-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }
        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--brand-primary);
            box-shadow: 0 4px 16px rgba(242, 92, 42, 0.08);
        }
        .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            background: #fff;
            box-shadow: none;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: #FFF8F5;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F25C2A'%3e%3cpath d='M8 3.5a.75.75 0 0 1 .75.75v3h3a.75.75 0 0 1 0 1.5h-3v3a.75.75 0 0 1-1.5 0v-3h-3a.75.75 0 0 1 0-1.5h3v-3A.75.75 0 0 1 8 3.5z'/%3e%3c/svg%3e");
            background-size: 18px;
            width: 26px;
            height: 26px;
            transition: transform .3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F25C2A'%3e%3cpath d='M3 8a.75.75 0 0 1 .75-.75h8.5a.75.75 0 0 1 0 1.5h-8.5A.75.75 0 0 1 3 8z'/%3e%3c/svg%3e");
            transform: rotate(0deg);
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 热门平台推荐 ===== */
        .platform-section {
            background: var(--bg-warm);
        }
        .platform-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease;
            height: 100%;
        }
        .platform-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .platform-card-img {
            position: relative;
            overflow: hidden;
            height: 180px;
        }
        .platform-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .platform-card:hover .platform-card-img img {
            transform: scale(1.04);
        }
        .platform-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .platform-card-body {
            padding: 20px 24px 24px;
        }
        .platform-card-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .platform-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .platform-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid #f0ebe5;
            padding-top: 14px;
        }

        /* ===== 快速对比简表 ===== */
        .compare-section {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-card {
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: box-shadow .2s ease, transform .2s ease;
            text-align: left;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .compare-card .compare-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(var(--grad-main));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .compare-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .compare-card .desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card li {
            font-size: 14px;
            color: var(--text-dark);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card li i {
            color: var(--brand-secondary);
            font-size: 16px;
        }
        .compare-card .feat-label {
            font-size: 12px;
            color: var(--brand-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        /* ===== 相关分类入口 ===== */
        .related-section {
            background: var(--bg-warm);
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            text-align: center;
            transition: transform .2s ease, box-shadow .2s ease;
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .related-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(242, 92, 42, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--brand-primary);
            margin: 0 auto 16px;
        }
        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .related-card .related-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
        }
        .related-card .related-link:hover {
            text-decoration: underline;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: #1E1916;
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 32px solid rgba(245, 184, 75, 0.15);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 24px solid rgba(242, 92, 42, 0.18);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .cta-section .btn-cta {
            background: linear-gradient(135deg, #F5B84B, #F25C2A);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border: none;
            border-radius: 50px;
            padding: 14px 38px;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(242, 92, 42, 0.4);
            color: #fff;
        }
        .cta-section .btn-cta:focus-visible {
            outline: 2px solid #F5B84B;
            outline-offset: 2px;
        }
        .cta-price {
            color: #F5B84B;
            font-size: 22px;
            font-weight: 800;
            margin-top: 10px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1E1916;
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-top-line {
            height: 3px;
            background: linear-gradient(90deg, #F25C2A, #F5B84B);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-about {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: #F5B84B;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: #F5B84B;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                padding: 12px 0;
                border-top: 1px solid var(--border-light);
                margin-top: 8px;
            }
            .site-header .nav-link {
                padding: 10px 0 !important;
            }
            .site-header .nav-link::after {
                left: 0;
                right: 0;
            }
            .site-header .header-search {
                width: 100%;
                margin: 8px 0;
            }
            .category-banner {
                padding: 48px 0 36px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .section-block {
                padding: 56px 0;
            }
            .compare-card {
                margin-bottom: 16px;
            }
            .related-card {
                margin-bottom: 16px;
            }
        }
        @media (max-width: 767.98px) {
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .lead-text {
                font-size: 15px;
            }
            .category-banner .banner-stats {
                gap: 12px;
            }
            .category-banner .banner-stats .stat-item {
                min-width: 100px;
                padding: 10px 14px;
            }
            .category-banner .banner-stats .stat-num {
                font-size: 22px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .platform-card-img {
                height: 160px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .footer-brand,
            .footer-about {
                text-align: center;
                margin-left: auto;
                margin-right: auto;
            }
            .footer-brand {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 22px;
            }
            .category-banner .banner-stats .stat-item {
                min-width: calc(50% - 12px);
            }
            .section-head {
                flex-wrap: wrap;
            }
            .platform-card-body {
                padding: 16px;
            }
            .platform-meta {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #F25C2A;
            --secondary: #1FA26B;
            --accent: #F5B84B;
            --bg: #FAF7F3;
            --card: #FFFFFF;
            --text: #261F1A;
            --muted: #6E675F;
            --border: #E5DED6;
            --radius-lg: 20px;
            --radius-sm: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 4px 16px rgba(38,31,26,0.06);
            --shadow-lg: 0 12px 32px rgba(38,31,26,0.12);
            --gradient-main: linear-gradient(135deg, #F25C2A, #F5B84B);
            --gradient-sec: linear-gradient(135deg, #1FA26B, #8ED3A9);
        }

        * { box-sizing: border-box; }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            background: var(--bg);
            color: var(--text);
            overflow-x: hidden;
        }

        a { color: inherit; text-decoration: none; transition: color .2s ease; }
        img { max-width: 100%; height: auto; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; margin: 0 0 16px; }
        h1 { font-size: 40px; }
        h2 { font-size: 30px; }
        h3 { font-size: 20px; }
        h4 { font-size: 16px; }
        p { margin: 0 0 16px; }
        ul { padding: 0; margin: 0; list-style: none; }
        .container { max-width: 1200px; }

        /* 全局按钮 */
        .btn-brand {
            background: var(--gradient-main);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 10px 26px;
            font-weight: 600;
            line-height: 1.5;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-brand:hover {
            background: linear-gradient(135deg, #ff6a35, #f7c05a);
            box-shadow: 0 8px 24px rgba(242,92,42,.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-brand:active { transform: translateY(0); opacity: .9; }
        .btn-brand:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        /* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(38,31,26,.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .site-header .navbar { padding: 12px 0; }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text) !important;
            white-space: nowrap;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
        }
        .site-header .nav-link {
            font-size: 16px;
            color: var(--text);
            padding: 8px 18px !important;
            position: relative;
            font-weight: 500;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform .25s ease;
        }
        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after { transform: scaleX(1); }
        .site-header .nav-link.active { font-weight: 700; color: var(--primary); }

        .header-search { width: 180px; }
        .header-search .form-control {
            border-radius: 50px;
            border: 1px solid var(--border);
            padding-left: 38px;
            font-size: 14px;
            background: var(--bg);
            height: 40px;
        }
        .header-search .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(242,92,42,.12);
            background: #fff;
        }
        .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 14px;
        }

        .navbar-toggler { border: none; font-size: 24px; color: var(--text); padding: 4px 8px; }
        .navbar-toggler:focus { box-shadow: none; outline: none; }

        @media (max-width: 991px) {
            .navbar-nav { padding: 16px 0; }
            .site-header .nav-link::after { display: none; }
            .site-header .nav-link.active { color: var(--primary); background: rgba(242,92,42,.06); border-radius: 8px; }
            .header-search { width: 100%; margin-bottom: 12px; }
            .header-search .form-control { width: 100%; }
        }

        /* 分类 Banner */
        .category-banner {
            padding: 80px 0 64px;
            background: linear-gradient(135deg, #fff8f4, #fdf0e8);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(250,247,243,.94), rgba(255,244,238,.82));
        }
        .category-banner .container { position: relative; z-index: 2; }
        .category-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }
        .category-banner h1 span { color: var(--primary); }
        .category-banner p {
            font-size: 17px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 通用 section */
        .section { padding: 80px 0; }
        .section-sm { padding: 56px 0; }
        .section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
        .section-bar { width: 4px; height: 30px; background: var(--primary); border-radius: 4px; flex-shrink: 0; }
        .section-title { font-size: 30px; margin: 0; font-weight: 700; }
        .section-sub { color: var(--muted); font-size: 15px; margin: 4px 0 0; }

        /* 会员服务卡 */
        .service-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all .25s ease;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--gradient-sec);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            margin-bottom: 18px;
        }
        .service-card h3 { font-size: 18px; margin-bottom: 12px; }
        .service-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }

        /* 横向平台名录 */
        .platform-panel {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            border: 1px solid var(--border);
        }
        .platform-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            border-radius: var(--radius-sm);
            transition: background .2s ease;
            border-bottom: 1px solid #F5F0EB;
        }
        .platform-item:last-child { border-bottom: none; }
        .platform-item:hover { background: #fdf6f2; }
        .platform-rank {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .platform-info { flex: 1; min-width: 0; }
        .platform-info h4 { font-size: 16px; margin: 0 0 4px; font-weight: 600; }
        .platform-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .platform-tag {
            background: rgba(242,92,42,.1);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
            flex-shrink: 0;
        }
        @media (max-width: 767px) {
            .platform-item { flex-wrap: wrap; gap: 10px; }
            .platform-info { flex: 0 0 100%; order: 3; }
            .platform-info p { white-space: normal; }
            .platform-tag { margin-left: auto; order: 2; }
        }

        /* 推荐卡片 */
        .rec-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all .25s ease;
            height: 100%;
        }
        .rec-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .rec-cover {
            position: relative;
            overflow: hidden;
            height: 180px;
        }
        .rec-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .rec-card:hover .rec-cover img { transform: scale(1.04); }
        .rec-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--gradient-sec);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
            box-shadow: 0 4px 12px rgba(31,162,107,.3);
        }
        .rec-lock {
            position: absolute;
            bottom: 14px;
            right: 14px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(0,0,0,.45);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            backdrop-filter: blur(4px);
        }
        .rec-body { padding: 24px; }
        .rec-body h3 { font-size: 17px; margin-bottom: 10px; }
        .rec-body p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
        .rec-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--muted);
        }

        /* 开通流程 */
        .step-card {
            text-align: center;
            padding: 32px 24px;
            position: relative;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all .25s ease;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gradient-main);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(242,92,42,.25);
        }
        .step-card h3 { font-size: 17px; margin-bottom: 12px; }
        .step-card p { color: var(--muted); font-size: 14px; margin: 0; }

        /* FAQ */
        .faq-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-card.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(242,92,42,.08);
        }
        .faq-question {
            padding: 22px 28px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            line-height: 1.5;
        }
        .faq-question h4 { font-size: 16px; font-weight: 600; margin: 0; }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--muted);
            transition: transform .25s ease, background .25s ease, color .25s ease;
            font-size: 16px;
        }
        .faq-card.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-card.active .faq-answer {
            padding: 0 28px 22px;
            max-height: 600px;
        }

        /* 相关分类入口 */
        .rel-cat {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            display: block;
            transition: all .25s ease;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .rel-cat:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .rel-cat .cat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gradient-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .rel-cat h3 { font-size: 17px; margin-bottom: 8px; }
        .rel-cat p { font-size: 13px; color: var(--muted); margin: 0; }
        .rel-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--primary);
            margin-top: 14px;
            font-weight: 500;
        }

        /* CTA */
        .member-cta { padding: 80px 0; }
        .cta-box {
            background: var(--gradient-main);
            border-radius: 24px;
            padding: 64px 48px;
            position: relative;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 28px solid rgba(255,255,255,.08);
            top: -60px;
            right: -60px;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255,255,255,.06);
            bottom: -40px;
            left: 30px;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: 16px;
            opacity: .96;
            max-width: 640px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 2;
        }
        .cta-price {
            color: var(--accent);
            font-weight: 700;
            font-size: 22px;
        }
        .cta-box .btn-white {
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            padding: 14px 42px;
            font-weight: 700;
            border: none;
            font-size: 17px;
            position: relative;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }
        .cta-box .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0,0,0,.15);
            color: var(--primary);
            background: #fff;
        }

        /* Footer */
        .site-footer {
            background: #1E1916;
            color: rgba(255,255,255,.75);
            margin-top: 0;
        }
        .footer-top-line { height: 4px; background: var(--gradient-main); }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer h5 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: rgba(255,255,255,.75); font-size: 14px; transition: color .2s ease; }
        .footer-links a:hover { color: var(--accent); }
        .footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); margin-bottom: 0; }
        .footer-contact p { font-size: 14px; margin-bottom: 12px; }
        .footer-contact i { color: var(--accent); margin-right: 8px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,.5);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            h1 { font-size: 34px; }
            h2 { font-size: 26px; }
            .section { padding: 60px 0; }
            .category-banner { padding: 60px 0 48px; }
            .cta-box { padding: 48px 32px; }
        }
        @media (max-width: 767px) {
            h1 { font-size: 30px; }
            h2 { font-size: 24px; }
            .section { padding: 48px 0; }
            .section-head { margin-bottom: 28px; }
            .category-banner { padding: 40px 0 34px; }
            .category-banner h1 { font-size: 28px; }
            .category-banner p { font-size: 15px; }
            .member-cta { padding: 48px 0; }
            .cta-box { padding: 40px 20px; }
            .cta-box h2 { font-size: 24px; }
            .cta-box p { font-size: 14px; }
            .footer-contact p { font-size: 13px; }
        }