/* roulang page: index */
:root {
            --bg-light: #F4F5F1;
            --bg-dark: #0B1611;
            --bg-dark-2: #11211A;
            --accent: #A9F04B;
            --accent-hover: #7BC43A;
            --gold: #D9B877;
            --text-primary: #152119;
            --text-secondary: #5F6B64;
            --text-muted: #9CA69D;
            --border-light: #E0E5DC;
            --border-dark: rgba(255, 255, 255, 0.14);
            --danger: #E4573D;
            --success: #4CB944;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 2px rgba(16, 24, 20, 0.04), 0 6px 20px rgba(16, 24, 20, 0.05);
            --shadow-hover: 0 2px 4px rgba(16, 24, 20, 0.06), 0 16px 40px rgba(16, 24, 20, 0.10);
            --font-family: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --container: 1320px;
            --space-section: 96px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            background-color: #d8ddd5;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 80px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-hover);
            background: rgba(169, 240, 75, 0.12);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            max-width: 640px;
        }
        .dark-section .section-label {
            color: var(--accent);
            background: rgba(169, 240, 75, 0.1);
        }
        .dark-section .section-title {
            color: #ffffff;
        }
        .dark-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(16, 24, 20, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent);
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .logo-mark::after {
            content: '';
            width: 12px;
            height: 12px;
            border-radius: 4px;
            background: var(--bg-dark);
            transform: rotate(30deg);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            height: 44px;
            padding: 0 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(16, 24, 20, 0.04);
        }
        .main-nav a.active {
            color: var(--text-primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-hover);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            transition: background 0.2s ease, transform 0.24s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            cursor: pointer;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg-dark);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(123, 196, 58, 0.25);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
        }
        .btn-outline-dark:hover {
            background: rgba(16, 24, 20, 0.04);
            border-color: var(--text-secondary);
        }
        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }
        .btn:focus-visible,
        .mega-trigger button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-hover);
            outline-offset: 3px;
        }

        /* Mega trigger */
        .mega-trigger {
            position: relative;
        }
        .mega-trigger>button {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 44px;
            padding: 0 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
        }
        .mega-trigger>button:hover,
        .mega-trigger:focus-within>button {
            color: var(--text-primary);
            background: rgba(16, 24, 20, 0.04);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 720px;
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
            padding: 28px;
            display: grid;
            grid-template-columns: 1.1fr 1.4fr 0.9fr;
            gap: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
            z-index: 120;
        }
        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel h4 {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mega-tags a {
            display: inline-flex;
            height: 34px;
            padding: 0 14px;
            align-items: center;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border-dark);
            transition: border-color 0.2s, background 0.2s;
        }
        .mega-tags a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(169, 240, 75, 0.06);
        }
        .mega-news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .mega-news-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px;
            border-radius: 10px;
            transition: background 0.2s;
        }
        .mega-news-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .mega-news-item img {
            width: 64px;
            height: 48px;
            object-fit: cover;
            border-radius: 8px;
        }
        .mega-news-item .mega-text {
            min-width: 0;
        }
        .mega-news-item .mega-title {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mega-news-item .mega-time {
            color: rgba(255, 255, 255, 0.45);
            font-size: 12px;
        }
        .mega-card {
            background: var(--bg-dark-2);
            border-radius: 12px;
            border: 1px solid var(--border-dark);
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-self: start;
        }
        .mega-card .gold {
            color: var(--gold);
            font-size: 12px;
            font-weight: 700;
        }
        .mega-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            line-height: 1.6;
        }
        .mega-card .btn-sm {
            margin-top: 6px;
        }

        /* Mobile nav */
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 20px;
            color: var(--text-primary);
        }
        .nav-toggle:hover {
            background: rgba(16, 24, 20, 0.05);
        }

        /* ===== Hero ===== */
        .hero {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center top;
            background-blend-mode: overlay;
            color: #fff;
            padding: 120px 0 110px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 22, 17, 0.96) 0%, rgba(11, 22, 17, 0.78) 55%, rgba(11, 22, 17, 0.35) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(169, 240, 75, 0.12);
            border: 1px solid rgba(169, 240, 75, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
            letter-spacing: 0.02em;
        }
        .hero h1 {
            font-size: 54px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-figure {
            display: flex;
            justify-content: center;
        }
        .hero-figure img {
            border-radius: var(--radius-lg);
            max-height: 420px;
            object-fit: cover;
            box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* ===== Compare Section ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 48px;
            align-items: start;
        }
        .compare-intro {
            position: sticky;
            top: 100px;
        }
        .compare-table {
            overflow: hidden;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .compare-table table {
            width: 100%;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 18px 20px;
            text-align: left;
            font-size: 15px;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-table tr:last-child th,
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table thead th {
            font-weight: 700;
            font-size: 16px;
            background: #fff;
        }
        .compare-table thead .free-col {
            color: var(--text-secondary);
        }
        .compare-table thead .member-col-header {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
        }
        .member-col {
            background: var(--bg-dark-2);
            color: #fff;
            border-left: 1px solid var(--border-dark);
        }
        .member-col .member-badge {
            display: inline-block;
            color: var(--gold);
            border: 1px solid rgba(217, 184, 119, 0.5);
            border-radius: 999px;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 10px;
            letter-spacing: 0.1em;
            margin-left: 6px;
            vertical-align: middle;
        }
        .member-col .pro-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 10px;
            font-weight: 800;
            padding: 1px 8px;
            border-radius: 4px;
            margin-left: 6px;
            vertical-align: middle;
        }
        .check-icon {
            color: var(--success);
            font-size: 16px;
        }
        .times-icon {
            color: var(--danger);
            font-size: 16px;
        }
        .compare-table .free-row {
            color: var(--text-secondary);
        }

        /* ===== Levels ===== */
        .levels-section {
            background: var(--bg-light);
        }
        .levels-list {
            border-top: 1px solid var(--border-light);
            margin-top: 40px;
        }
        .level-row {
            display: grid;
            grid-template-columns: 90px 1.2fr 1.5fr 1fr;
            align-items: center;
            min-height: 110px;
            padding: 20px 4px;
            border-bottom: 1px solid var(--border-light);
            gap: 24px;
            transition: background 0.2s ease;
        }
        .level-row:nth-child(even) {
            background: rgba(224, 229, 220, 0.2);
        }
        .level-row:hover {
            background: rgba(169, 240, 75, 0.05);
        }
        .level-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--bg-dark);
            opacity: 0.12;
            line-height: 1;
            -webkit-text-stroke: 1px var(--text-primary);
            letter-spacing: -0.02em;
        }
        .level-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .level-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .level-tags span {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border-light);
            padding: 4px 12px;
            border-radius: 6px;
        }
        .level-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            text-align: right;
        }

        /* ===== Preview / Content Preview ===== */
        .preview-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-blend-mode: linear-gradient(rgba(11, 22, 17, 0.94), rgba(11, 22, 17, 0.94)), overlay;
        }
        .preview-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
            margin-top: 44px;
        }
        .preview-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-dark-2);
            border: 1px solid var(--border-dark);
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            transition: transform 0.24s ease, border-color 0.2s ease;
        }
        .preview-card:hover {
            transform: translateY(-3px);
            border-color: rgba(169, 240, 75, 0.35);
        }
        .preview-card .card-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            transition: transform 0.4s ease;
        }
        .preview-card:hover .card-img {
            transform: scale(1.04);
        }
        .preview-card .card-body {
            position: relative;
            z-index: 2;
            padding: 28px;
            background: linear-gradient(0deg, rgba(11, 22, 17, 0.9) 0%, rgba(11, 22, 17, 0.2) 100%);
        }
        .preview-card .member-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 3;
            background: var(--gold);
            color: var(--bg-dark);
            font-size: 12px;
            font-weight: 800;
            padding: 4px 14px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .preview-card .lock-icon {
            position: absolute;
            top: 18px;
            left: 18px;
            z-index: 3;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(11, 22, 17, 0.7);
            border: 1px solid var(--border-dark);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: color 0.24s, transform 0.24s, border-color 0.24s;
        }
        .preview-card:hover .lock-icon {
            color: var(--success);
            border-color: var(--success);
            transform: rotate(-10deg);
        }
        .preview-card h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .preview-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.6;
        }
        .preview-card.featured {
            grid-row: span 2;
            min-height: 544px;
        }
        .preview-card.featured .card-body {
            padding: 40px;
        }
        .preview-card.featured h3 {
            font-size: 28px;
        }
        .preview-card.featured p {
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 60px;
            align-items: start;
        }
        .faq-list {
            border-top: 1px solid var(--border-light);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color 0.2s;
        }
        .faq-q:hover {
            color: var(--accent-hover);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-style: normal;
            font-size: 18px;
            line-height: 1;
            color: var(--text-muted);
            transition: transform 0.3s, color 0.3s, border-color 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-hover);
            border-color: var(--accent-hover);
        }
        .faq-a {
            display: none;
            padding-bottom: 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 640px;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== Membership CTA ===== */
        .membership-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .membership-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .membership-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .plan-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .plan-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 28px;
            border-radius: var(--radius-md);
            border: 1.5px solid var(--border-dark);
            background: rgba(255, 255, 255, 0.02);
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
            position: relative;
        }
        .plan-item:hover {
            border-color: rgba(169, 240, 75, 0.4);
            background: rgba(169, 240, 75, 0.04);
        }
        .plan-item.selected {
            border-color: var(--accent);
            background: rgba(169, 240, 75, 0.06);
        }
        .plan-item.recommended {
            border-color: var(--gold);
        }
        .plan-item .rec-badge {
            position: absolute;
            top: -10px;
            right: 18px;
            background: var(--gold);
            color: var(--bg-dark);
            font-size: 11px;
            font-weight: 800;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }
        .plan-name {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .plan-term {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            margin-top: 2px;
        }
        .plan-price {
            color: #fff;
            font-size: 26px;
            font-weight: 800;
        }
        .plan-price small {
            font-size: 14px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 4px;
        }
        .membership-benefit {
            background: var(--bg-dark-2);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-dark);
            padding: 36px;
        }
        .membership-benefit h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .benefit-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
        }
        .benefit-row:last-child {
            border-bottom: none;
        }
        .benefit-row .icon-wrap {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(169, 240, 75, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .benefit-row .gold-icon {
            background: rgba(217, 184, 119, 0.12);
            color: var(--gold);
        }
        .membership-benefit .btn {
            width: 100%;
            margin-top: 24px;
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg-light);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            margin-top: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
        }
        .news-item {
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s;
        }
        .news-item:hover {
            background: rgba(169, 240, 75, 0.04);
        }
        .news-item img {
            width: 150px;
            height: 92px;
            object-fit: cover;
            border-radius: 10px;
        }
        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-hover);
            background: rgba(123, 196, 58, 0.1);
            padding: 2px 10px;
            border-radius: 4px;
            margin-bottom: 4px;
        }
        .news-title {
            display: block;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-primary);
            margin-bottom: 2px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-summary {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .news-meta {
            display: block;
            color: var(--text-muted);
            font-size: 12px;
            margin-top: 4px;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .sidebar-links a:hover {
            background: rgba(169, 240, 75, 0.08);
            color: var(--text-primary);
        }
        .sidebar-links a i {
            width: 20px;
            text-align: center;
            color: var(--accent-hover);
        }
        .news-empty {
            border: 2px dashed var(--border-light);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
            background: rgba(255, 255, 255, 0.6);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-dark);
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
            max-width: 260px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .footer-col a {
            display: inline-flex;
            align-items: center;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            .fade-up {
                opacity: 1;
                transform: none;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 48px;
            }
            .hero h1 {
                font-size: 46px;
            }
            .mega-panel {
                width: 620px;
            }
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 28px;
            }
            .section {
                --space-section: 72px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 20px 40px rgba(16, 24, 20, 0.1);
                z-index: 99;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                height: 48px;
                padding: 0 12px;
            }
            .mega-trigger {
                display: none;
            }
            .header-actions .btn-sm {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                padding: 80px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-figure {
                display: none;
            }
            .hero h1 {
                font-size: 40px;
            }
            .compare-grid,
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .compare-intro {
                position: static;
            }
            .preview-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .preview-card.featured {
                grid-row: auto;
                min-height: 300px;
            }
            .membership-inner {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .level-row {
                grid-template-columns: 64px 1fr;
                grid-template-rows: auto auto;
                gap: 8px 16px;
                padding: 20px 0;
            }
            .level-desc {
                grid-column: 2;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .mega-panel {
                position: static;
                width: 100%;
                transform: none;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                border-radius: 0;
                padding: 16px 0;
                background: transparent;
                display: block;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 24px;
            }
            .section {
                --space-section: 56px;
            }
            .section-title {
                font-size: 26px;
            }
            .logo-text {
                font-size: 17px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 10px;
                font-size: 13px;
            }
            .level-row {
                grid-template-columns: 48px 1fr;
                min-height: 0;
                padding: 16px 0;
            }
            .level-num {
                font-size: 32px;
            }
            .level-name {
                font-size: 17px;
            }
            .preview-card .card-body {
                padding: 16px;
            }
            .preview-card.featured .card-body {
                padding: 20px;
            }
            .preview-card.featured h3 {
                font-size: 20px;
            }
            .faq-q {
                font-size: 15px;
                padding: 18px 0;
            }
            .plan-item {
                padding: 18px 14px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .news-item {
                grid-template-columns: 90px 1fr;
                gap: 12px;
            }
            .news-item img {
                width: 90px;
                height: 68px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
  --color-bg: #F4F5F1;
  --color-dark: #0B1611;
  --color-dark-2: #11211A;
  --color-accent: #A9F04B;
  --color-accent-hover: #7BC43A;
  --color-gold: #D9B877;
  --color-text: #152119;
  --color-text-2: #5F6B64;
  --color-text-3: #9CA69D;
  --color-border: #E0E5DC;
  --color-border-dark: rgba(255,255,255,0.14);
  --color-danger: #E4573D;
  --color-success: #4CB944;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16,24,20,0.04), 0 6px 20px rgba(16,24,20,0.05);
  --shadow-hover: 0 2px 4px rgba(16,24,20,0.06), 0 16px 40px rgba(16,24,20,0.10);
  --container: 1320px;
  --gap: 24px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 80px; }

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

a { text-decoration: none; color: inherit; }

button { font-family: inherit; cursor: pointer; }

ul { list-style: none; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244,245,241,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 2px 12px rgba(16,24,20,0.06);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

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

.logo-mark {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 3px;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

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

.main-nav a {
  position: relative;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.main-nav a:hover {
  color: var(--color-text);
  background: rgba(21,33,25,0.05);
}

.main-nav a.active {
  color: var(--color-text);
  font-weight: 600;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

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

.mega-trigger {
  position: relative;
}

.mega-trigger > button {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-2);
  transition: all 0.2s ease;
}

.mega-trigger > button:hover {
  border-color: var(--color-text-3);
  color: var(--color-text);
  background: rgba(21,33,25,0.03);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 640px;
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  border: 1px solid var(--color-border-dark);
  z-index: 90;
}

.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-panel h4 {
  font-size: 13px;
  color: var(--color-text-3);
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

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

.mega-tags a {
  display: inline-block;
  padding: 5px 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.82);
  border: 1px solid var(--color-border-dark);
  border-radius: 100px;
  transition: all 0.2s ease;
}

.mega-tags a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.mega-news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mega-news-item {
  display: flex;
  gap: 12px;
  padding: 8px;
  border-radius: 10px;
  transition: background 0.2s ease;
}

.mega-news-item:hover {
  background: rgba(255,255,255,0.06);
}

.mega-news-item img {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: var(--color-dark-2);
}

.mega-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.mega-title {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mega-time {
  font-size: 12px;
  color: var(--color-text-3);
}

.mega-panel-card {
  background: var(--color-dark-2);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border-dark);
}

.mega-panel-card h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.mega-panel-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 14px;
}

.mega-panel-card a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.mega-panel-card a i {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.mega-panel-card a:hover i {
  transform: translateX(3px);
}

.btn-vip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  background: var(--color-accent);
  color: var(--color-dark);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  transition: background 0.2s ease, transform 0.24s ease;
  white-space: nowrap;
}

.btn-vip:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.page-hero {
  background-color: var(--color-dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 88px 0 76px;
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11,22,17,0.94) 30%, rgba(11,22,17,0.62) 70%, rgba(11,22,17,0.4) 100%);
}

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

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 22px;
}

.crumb a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s ease;
}

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

.crumb i {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
}

.hero-title {
  font-size: 54px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0;
  margin-bottom: 22px;
}

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

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  line-height: 1.85;
  margin-bottom: 34px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  background: var(--color-accent);
  color: var(--color-dark);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  transition: background 0.2s ease, transform 0.24s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(169,240,75,0.25);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-outline-light:hover {
  border-color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.06);
}

/* Section intro */
.section-intro {
  padding: 36px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.intro-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.intro-text {
  font-size: 15px;
  color: var(--color-text-2);
  max-width: 640px;
  line-height: 1.8;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-2);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  background: #fff;
  transition: all 0.2s ease;
}

.tag:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.tag i {
  font-size: 11px;
  color: var(--color-accent-hover);
}

/* Featured content */
.featured-section {
  padding: 76px 0 20px;
  background: var(--color-bg);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text);
}

.section-head p {
  font-size: 14px;
  color: var(--color-text-3);
  max-width: 420px;
  text-align: right;
  line-height: 1.6;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.featured-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.featured-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.featured-card-large {
  display: grid;
  grid-template-columns: 3fr 2fr;
  min-height: 320px;
}

.featured-card-large .card-media {
  overflow: hidden;
  min-height: 280px;
}

.featured-card-large .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.featured-card .card-body {
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 100px;
  background: var(--color-accent);
  color: var(--color-dark);
  margin-bottom: 14px;
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--color-text);
}

.card-desc {
  font-size: 14px;
  color: var(--color-text-2);
  line-height: 1.8;
  margin-bottom: 18px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-hover);
  transition: gap 0.2s ease;
}

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

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

/* Two col cards */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.two-col-grid .featured-card {
  display: grid;
  grid-template-columns: 2fr 3fr;
  min-height: 220px;
  border-radius: var(--radius-md);
}

.two-col-grid .card-media {
  overflow: hidden;
  min-height: 200px;
}

.two-col-grid .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.two-col-grid .featured-card:hover .card-media img {
  transform: scale(1.04);
}

.two-col-grid .card-body {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.two-col-grid .card-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.two-col-grid .card-desc {
  font-size: 13px;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Dark features */
.dark-features {
  background: var(--color-dark);
  padding: 76px 0;
  margin-top: 76px;
  color: #fff;
}

.dark-features .section-head h2 {
  color: #fff;
}

.dark-features .section-head p {
  color: rgba(255,255,255,0.55);
}

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

.feature-item {
  background: var(--color-dark-2);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.feature-item:hover {
  border-color: rgba(169,240,75,0.5);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(169,240,75,0.12);
  border-radius: 12px;
  color: var(--color-accent);
  font-size: 18px;
  margin-bottom: 18px;
}

.feature-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.feature-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* Quick view section */
.quick-section {
  padding: 76px 0;
  background: var(--color-bg);
}

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

.quick-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  display: flex;
  gap: 18px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.quick-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.quick-num {
  font-size: 34px;
  font-weight: 900;
  color: var(--color-accent-hover);
  line-height: 1;
  font-style: italic;
  min-width: 48px;
  opacity: 0.85;
}

.quick-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.quick-card p {
  font-size: 13px;
  color: var(--color-text-2);
  line-height: 1.7;
}

/* FAQ */
.faq-section {
  padding: 76px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.faq-row {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.faq-side h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}

.faq-side p {
  font-size: 14px;
  color: var(--color-text-2);
  line-height: 1.8;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  background: transparent;
  border: none;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--color-accent-hover);
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 16px;
  color: var(--color-text-2);
  transition: transform 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--color-text-2);
  line-height: 1.85;
}

/* CTA */
.cta-section {
  background: var(--color-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 76px 0;
  color: #fff;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11,22,17,0.86);
}

.cta-section .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  line-height: 1.8;
}

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

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-brand .logo-text {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 360px;
  margin-top: 14px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

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

.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

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

/* Responsive */
@media (max-width: 1199px) {
  .container { padding: 0 40px; }
  .mega-panel { width: 560px; }
}

@media (max-width: 991px) {
  .container { padding: 0 40px; }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 40px 24px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 99;
    box-shadow: 0 16px 30px rgba(16,24,20,0.08);
  }

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

  .main-nav a {
    width: 100%;
    padding: 12px 8px;
    font-size: 16px;
    border-bottom: 1px solid rgba(224,229,220,0.6);
  }

  .main-nav a.active::after {
    display: none;
  }

  .header-actions {
    gap: 8px;
  }

  .mega-trigger { display: none; }

  .nav-toggle {
    display: flex;
  }

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

  .featured-card-large {
    grid-template-columns: 1fr;
  }

  .featured-card-large .card-media {
    min-height: 240px;
  }

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

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

  .faq-row {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 767px) {
  .container { padding: 0 24px; }

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

  .hero-title {
    font-size: 34px;
  }

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

  .two-col-grid {
    grid-template-columns: 1fr;
  }

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

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

  .featured-card-large .card-body {
    padding: 24px;
  }

  .featured-section,
  .dark-features,
  .quick-section,
  .faq-section,
  .cta-section {
    padding: 56px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .section-head p {
    text-align: left;
  }

  .cta-section .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

@media (min-width: 992px) {
  .mega-panel::after {
    content: "";
    position: absolute;
    top: -14px;
    right: 30px;
    width: 28px;
    height: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: article */
:root {
    --bg-light: #F4F5F1;
    --bg-dark: #0B1611;
    --bg-dark-2: #11211A;
    --accent: #A9F04B;
    --accent-hover: #7BC43A;
    --gold: #D9B877;
    --text-primary: #152119;
    --text-secondary: #5F6B64;
    --text-muted: #9CA69D;
    --border-light: #E0E5DC;
    --border-dark: rgba(255,255,255,0.14);
    --danger: #E4573D;
    --success: #4CB944;
    --radius-lg: 20px;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16,24,20,0.04), 0 6px 20px rgba(16,24,20,0.05);
    --shadow-lg: 0 2px 4px rgba(16,24,20,0.06), 0 16px 40px rgba(16,24,20,0.10);
    --font: "PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    --container: 1320px;
    --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; background: #e8ebe4; }
a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style-position: inside; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 80px;
}

.section { padding: 96px 0; }

/* 按钮体系 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .02em;
    transition: opacity .2s ease, transform .24s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
    border: 1px solid var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); }
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid #C8CEC6;
}
.btn-outline:hover { background: rgba(21,33,25,.05); border-color: var(--text-secondary); }
.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1px solid var(--border-dark);
}
.btn-outline-light:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.35); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 38px; font-size: 16px; }

/* 站点头部导航 */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(244,245,241,.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
    background: rgba(244,245,241,.97);
    border-bottom-color: var(--border-light);
    box-shadow: 0 1px 10px rgba(16,24,20,.04);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 32px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(169,240,75,.22);
}
.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -.01em;
    white-space: nowrap;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}
.main-nav a {
    position: relative;
    padding: 10px 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: color .2s ease;
    white-space: nowrap;
}
.main-nav a::after {
    content: "";
    position: absolute;
    left: 16px; right: 16px;
    bottom: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .24s ease;
}
.main-nav a:hover { color: var(--text-primary); }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.active { color: var(--text-primary); }
.main-nav a.active::after { transform: scaleX(1); }

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

/* Mega 触发 */
.mega-trigger { position: relative; }
.mega-trigger > button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(21,33,25,.05);
    border: 1px solid transparent;
    transition: background .2s ease, border-color .2s ease;
}
.mega-trigger > button:hover { background: rgba(21,33,25,.08); border-color: var(--border-light); }
.mega-trigger > button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mega-panel {
    position: absolute;
    top: calc(100% + 14px);
    right: 0;
    width: 640px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    border: 1px solid var(--border-dark);
    padding: 28px;
    display: grid;
    grid-template-columns: 1fr 1.2fr .9fr;
    gap: 28px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .24s ease, transform .24s ease, visibility .24s ease;
    box-shadow: 0 30px 60px rgba(0,0,0,.3);
}
.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel,
.mega-trigger.show .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mega-panel h4 {
    color: rgba(255,255,255,.75);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.mega-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.mega-tags a {
    display: inline-block;
    padding: 8px 14px;
    font-size: 13px;
    color: #d5e8d9;
    background: rgba(255,255,255,.07);
    border: 1px solid var(--border-dark);
    border-radius: 999px;
    transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.mega-tags a:hover { background: rgba(169,240,75,.14); border-color: rgba(169,240,75,.45); color: var(--accent); }
.mega-news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mega-news-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 10px;
    transition: background .2s ease;
}
.mega-news-item:hover { background: rgba(255,255,255,.05); }
.mega-news-item img {
    width: 56px;
    height: 42px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}
.mega-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.mega-title {
    font-size: 14px;
    font-weight: 600;
    color: #f0f5f1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mega-time {
    font-size: 12px;
    color: rgba(255,255,255,.5);
}
.mega-cta-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: 20px 14px;
    transition: background .2s ease, border-color .2s ease;
}
.mega-cta-card:hover { background: rgba(169,240,75,.1); border-color: rgba(169,240,75,.3); }
.mega-cta-card img { width: 100%; height: 72px; object-fit: cover; border-radius: 8px; margin-bottom: 12px; }
.mega-cta-card strong {
    color: var(--accent);
    font-size: 16px;
    margin-bottom: 4px;
}
.mega-cta-card span {
    font-size: 12px;
    color: rgba(255,255,255,.6);
    line-height: 1.5;
}

/* 移动端汉堡 */
.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: background .2s ease;
}
.mobile-toggle:hover { background: rgba(21,33,25,.06); }
.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform .24s ease, opacity .2s ease;
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 24px 0 0;
    margin-bottom: 12px;
}
.breadcrumb a { color: var(--text-secondary); font-weight: 500; }
.breadcrumb a:hover { color: var(--text-primary); }
.breadcrumb i { font-size: 10px; color: var(--text-muted); }
.breadcrumb .current {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 文章主体 */
.article-main {
    padding-top: var(--header-h);
    background: var(--bg-light);
}
.article-wrapper {
    max-width: 900px;
    margin: 0 auto;
}
.article-header {
    padding: 24px 0 8px;
}
.article-header h1 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.22;
    color: var(--text-primary);
    letter-spacing: -.01em;
    margin-bottom: 18px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 14px 0;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta i { font-size: 13px; color: var(--text-muted); }

.article-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 0 8px;
    font-size: 16px;
    color: var(--text-primary);
}
.article-body p {
    line-height: 1.9;
    margin-bottom: 24px;
    font-size: 16px;
}
.article-body h2 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.4;
    margin: 44px 0 18px;
    color: var(--text-primary);
}
.article-body h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.45;
    margin: 36px 0 14px;
    color: var(--text-primary);
}
.article-body h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 28px 0 10px;
}
.article-body ul,
.article-body ol {
    margin-bottom: 24px;
    padding-left: 6px;
}
.article-body li {
    margin-bottom: 8px;
    line-height: 1.8;
    padding-left: 10px;
}
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: #eef3e9;
    padding: 20px 28px;
    border-radius: 0 10px 10px 0;
    margin: 28px 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}
.article-body img {
    border-radius: var(--radius);
    margin: 24px 0 8px;
    width: 100%;
}
.article-body figure {
    margin: 28px 0;
}
.article-body figure img {
    margin: 0 0 8px;
}
.article-body figcaption {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
    display: block;
    overflow-x: auto;
}
.article-body table thead th {
    background: var(--bg-dark);
    color: #fff;
    padding: 14px 18px;
    text-align: left;
    font-weight: 700;
    border: none;
}
.article-body table tbody td {
    padding: 14px 18px;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    line-height: 1.7;
}
.article-body table tbody tr:nth-child(even) { background: #fafbf8; }
.article-body a {
    color: #4c8c3a;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-body a:hover { color: var(--accent-hover); }
.article-body strong { font-weight: 700; }
.article-body hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: 36px 0;
}

/* 标签区 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 28px 0 4px;
    max-width: 760px;
    margin: 0 auto;
}
.tags-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}
.tag {
    display: inline-block;
    padding: 7px 16px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.tag:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: rgba(169,240,75,.12);
}

/* 空态 */
.article-empty {
    text-align: center;
    padding: 120px 24px 100px;
    max-width: 560px;
    margin: 0 auto;
}
.article-empty h1 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 14px;
}
.article-empty p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 28px;
}

/* 相关推荐 */
.related-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 64px 0 24px;
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}
.section-head .more-link {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
    transition: color .2s ease;
}
.section-head .more-link:hover { color: var(--text-primary); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .24s ease, transform .24s ease;
}
.related-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.related-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform .3s ease;
}
.related-card:hover img { transform: scale(1.04); }
.related-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.related-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 52px;
}
.related-card-body span {
    font-size: 12px;
    color: var(--text-muted);
}

/* 返回入口 */
.article-back {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 0 0;
    text-align: center;
}
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    background: #fff;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.back-link:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background: rgba(169,240,75,.1);
}

/* CTA 深色区块 */
.cta-band {
    background: var(--bg-dark);
    padding: 80px 0;
    margin-top: 64px;
}
.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: var(--bg-dark-2);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 48px 52px;
}
.cta-copy h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 10px;
}
.cta-copy p {
    color: rgba(255,255,255,.65);
    font-size: 15px;
    line-height: 1.7;
}
.cta-btn {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
}

/* 页脚 */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,.6);
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand .logo-text {
    color: #fff;
    font-size: 19px;
}
.footer-brand p {
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,.5);
    max-width: 300px;
}
.footer-col h4 {
    color: rgba(255,255,255,.9);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: rgba(255,255,255,.55);
    font-size: 13px;
    transition: color .2s ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-dark);
    padding-top: 24px;
    font-size: 12px;
    color: rgba(255,255,255,.35);
}

/* 响应式 */
@media (max-width: 1200px) {
    .container { padding: 0 48px; }
    .mega-panel { width: 580px; grid-template-columns: 1fr 1.2fr .8fr; }
}
@media (max-width: 992px) {
    .container { padding: 0 32px; }
    .mobile-toggle { display: flex; }
    .header-actions .mega-trigger { display: none; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg-light);
        border-bottom: 1px solid var(--border-light);
        padding: 12px 24px 24px;
        box-shadow: 0 20px 40px rgba(16,24,20,.1);
        transform: translateY(-120%);
        transition: transform .3s ease;
        border-radius: 0 0 14px 14px;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }
    .main-nav.open { transform: translateY(0); }
    .main-nav a {
        padding: 14px 8px;
        font-size: 16px;
        border-bottom: 1px solid rgba(224,229,220,.6);
        border-radius: 0;
    }
    .main-nav a:last-child { border-bottom: none; }
    .main-nav a::after { display: none; }
    .main-nav a.active { color: var(--text-primary); background: rgba(169,240,75,.12); }
    .header-actions { margin-left: auto; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-box { flex-direction: column; align-items: flex-start; text-align: left; padding: 36px; }
}
@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .article-header h1 { font-size: 32px; }
    .article-body { font-size: 15px; }
    .article-body p { font-size: 15px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .section-head h2 { font-size: 24px; }
    .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    .container { padding: 0 20px; }
    .logo-text { font-size: 17px; }
    .article-header h1 { font-size: 28px; }
    .breadcrumb .current { max-width: 180px; }
    .article-meta { gap: 12px; font-size: 12px; }
    .article-body h2 { font-size: 24px; }
    .article-body h3 { font-size: 20px; }
    .cta-box { padding: 28px 24px; }
    .cta-copy h2 { font-size: 22px; }
    .btn-lg { height: 48px; padding: 0 28px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
}

/* roulang page: category2 */
:root {
            --bg-light: #F4F5F1;
            --bg-dark: #0B1611;
            --bg-dark-2: #11211A;
            --accent: #A9F04B;
            --accent-hover: #7BC43A;
            --gold: #D9B877;
            --text-main: #152119;
            --text-secondary: #5F6B64;
            --text-muted: #9CA69D;
            --line-light: #E0E5DC;
            --line-dark: rgba(255, 255, 255, 0.14);
            --danger: #E4573D;
            --success: #4CB944;
            --radius-card: 14px;
            --radius-large: 20px;
            --radius-btn: 8px;
            --shadow-default: 0 1px 2px rgba(16, 24, 20, 0.04), 0 6px 20px rgba(16, 24, 20, 0.05);
            --shadow-hover: 0 2px 4px rgba(16, 24, 20, 0.06), 0 16px 40px rgba(16, 24, 20, 0.10);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 80px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(244, 245, 241, 0.9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s ease;
            height: 72px;
        }
        .site-header.scrolled {
            border-bottom-color: var(--line-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 3px;
            background: var(--accent);
            display: inline-block;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.01em;
        }
        .main-nav {
            display: flex;
            gap: 36px;
            align-items: center;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 0;
            position: relative;
            transition: color 0.2s ease;
        }
        .main-nav a:hover {
            color: var(--text-main);
        }
        .main-nav a.active {
            color: var(--text-main);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .main-nav a:focus-visible {
            outline: 2px solid var(--accent-hover);
            outline-offset: 4px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .mega-trigger {
            position: relative;
        }
        .mega-trigger>button {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--line-light);
            background: transparent;
            transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
        }
        .mega-trigger>button:hover {
            border-color: var(--text-muted);
            color: var(--text-main);
        }
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            border: 1px solid var(--line-dark);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: 1.1fr 1.4fr 0.9fr;
            gap: 36px;
            min-width: 640px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s ease;
            z-index: 999;
        }
        .mega-panel h4 {
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mega-tags a {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--line-dark);
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            transition: border-color 0.2s ease, color 0.2s ease;
        }
        .mega-tags a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .mega-news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mega-news-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 8px;
            border-radius: 10px;
            transition: background 0.2s ease;
        }
        .mega-news-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .mega-news-item img {
            width: 56px;
            height: 44px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
            background: var(--bg-dark-2);
        }
        .mega-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .mega-title {
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mega-time {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }
        .mega-cta-card {
            background: var(--bg-dark-2);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            border: 1px solid var(--line-dark);
        }
        .mega-cta-card strong {
            color: var(--gold);
            font-size: 16px;
            font-weight: 700;
        }
        .mega-cta-card p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            line-height: 1.6;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, transform 0.24s ease, box-shadow 0.2s ease;
        }
        .btn-primary {
            background: var(--accent);
            color: #0B1611;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(169, 240, 75, 0.25);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-hover);
            outline-offset: 2px;
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 2px;
        }
        .member-btn {
            background: var(--accent);
            color: #0B1611;
            height: 40px;
            padding: 0 22px;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, transform 0.24s ease;
        }
        .member-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        .member-btn:focus-visible {
            outline: 2px solid var(--accent-hover);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
        }
        .page-hero {
            background: var(--bg-dark);
            padding: 96px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            pointer-events: none;
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 1;
        }
        .page-hero .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin-bottom: 28px;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb i {
            font-size: 10px;
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            color: #ffffff;
            margin-bottom: 20px;
        }
        .page-hero h1 .highlight {
            color: var(--accent);
        }
        .page-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 620px;
            margin-bottom: 36px;
        }
        .hero-tagbar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
        }
        .hero-tagbar .tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
            transition: border-color 0.2s ease, color 0.2s ease;
        }
        .hero-tagbar .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .hero-tagbar .tag .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-right: 6px;
            vertical-align: middle;
        }
        .section {
            padding: 96px 0;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            gap: 32px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            line-height: 1.8;
        }
        .compare-section {
            background: var(--bg-light);
        }
        .compare-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.4fr;
            gap: 64px;
            align-items: center;
        }
        .compare-intro h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .compare-intro p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .compare-intro .link {
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .compare-intro .link i {
            transition: transform 0.24s ease;
        }
        .compare-intro .link:hover i {
            transform: translateX(4px);
        }
        .compare-table {
            background: #ffffff;
            border-radius: var(--radius-large);
            border: 1px solid var(--line-light);
            overflow: hidden;
            box-shadow: var(--shadow-default);
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            border-bottom: 1px solid var(--line-light);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row.header-row {
            background: var(--bg-dark);
        }
        .compare-row.header-row .cell {
            color: #ffffff;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
        }
        .compare-row.header-row .cell.free-col {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }
        .compare-row.header-row .cell.member-col {
            color: var(--gold);
        }
        .compare-row .cell {
            padding: 16px 24px;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-row .cell:first-child {
            font-weight: 500;
            color: var(--text-main);
            background: rgba(244, 245, 241, 0.6);
        }
        .compare-row .cell.free-col .fa-xmark {
            color: var(--danger);
        }
        .compare-row .cell.free-col .fa-check {
            color: var(--success);
        }
        .compare-row .cell.member-col {
            background: var(--bg-dark-2);
            color: rgba(255, 255, 255, 0.85);
        }
        .compare-row .cell.member-col .fa-check {
            color: var(--accent);
        }
        .compare-row .member-col .pro-label {
            display: inline-block;
            background: var(--accent);
            color: #0B1611;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 4px;
            margin-left: 4px;
            letter-spacing: 0.02em;
        }
        .levels-section {
            background: var(--bg-light);
            padding-top: 0;
        }
        .levels-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .level-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--line-light);
            padding: 32px 28px;
            transition: box-shadow 0.3s ease, transform 0.24s ease;
            position: relative;
        }
        .level-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .level-card .level-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 16px;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .level-card .level-num .lv {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
        }
        .level-card .level-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .level-card .level-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .level-card .level-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .level-card .level-tags span {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(169, 240, 75, 0.12);
            color: #3e6b1e;
            font-size: 12px;
            font-weight: 500;
        }
        .level-card.featured {
            border-color: var(--gold);
        }
        .level-card.featured::before {
            content: "推荐";
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--gold);
            color: #ffffff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .content-preview {
            background: var(--bg-dark);
            padding: 96px 0;
        }
        .content-preview .section-header h2 {
            color: #ffffff;
        }
        .content-preview .section-header .section-desc {
            color: rgba(255, 255, 255, 0.55);
        }
        .preview-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .preview-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-dark-2);
            border: 1px solid var(--line-dark);
            position: relative;
            transition: border-color 0.2s ease, transform 0.24s ease;
        }
        .preview-card:hover {
            border-color: rgba(169, 240, 75, 0.4);
            transform: translateY(-2px);
        }
        .preview-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-dark-2);
            transition: transform 0.4s ease;
        }
        .preview-card:hover .card-img {
            transform: scale(1.03);
        }
        .preview-card .card-body {
            padding: 24px;
        }
        .preview-card .member-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(11, 22, 17, 0.75);
            border: 1px solid var(--gold);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .preview-card.large .card-img {
            height: 280px;
        }
        .preview-card .card-title {
            color: #ffffff;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .preview-card.large .card-title {
            font-size: 22px;
        }
        .preview-card .card-excerpt {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .preview-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }
        .preview-card .card-meta .tag {
            color: var(--accent);
        }
        .preview-card .lock-icon {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(11, 22, 17, 0.75);
            border: 1px solid var(--line-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease, transform 0.24s ease, border-color 0.2s ease;
        }
        .preview-card:hover .lock-icon {
            color: var(--success);
            transform: rotate(-12deg);
            border-color: var(--success);
        }
        .two-col-card {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
        }
        .preview-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .preview-stack .preview-card .card-img {
            height: 160px;
        }
        .preview-stack .preview-card .card-body {
            padding: 18px 22px;
        }
        .preview-stack .preview-card .card-title {
            font-size: 16px;
        }
        .faq-section {
            background: var(--bg-light);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.4fr;
            gap: 64px;
        }
        .faq-layout .faq-intro h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .faq-layout .faq-intro p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }
        .faq-list {
            border-top: 1px solid var(--line-light);
        }
        .faq-item {
            border-bottom: 1px solid var(--line-light);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            transition: color 0.2s ease;
            gap: 20px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--accent-hover);
        }
        .faq-item summary .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
            transition: transform 0.24s ease, background 0.2s ease, color 0.2s ease;
        }
        .faq-item[open] summary .icon {
            transform: rotate(45deg);
            background: var(--accent);
            border-color: var(--accent);
            color: #0B1611;
        }
        .faq-item .faq-answer {
            padding: 0 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-section {
            background: var(--bg-dark);
            padding: 96px 0;
        }
        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .cta-copy h2 {
            color: #ffffff;
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .cta-copy p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .cta-copy .btn {
            margin-right: 12px;
        }
        .plan-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .plan-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-dark-2);
            border: 1px solid var(--line-dark);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: border-color 0.2s ease;
        }
        .plan-item:hover {
            border-color: rgba(169, 240, 75, 0.5);
        }
        .plan-item.recommend {
            border-color: var(--accent);
        }
        .plan-item .plan-name {
            color: #ffffff;
            font-size: 17px;
            font-weight: 700;
        }
        .plan-item .plan-price {
            color: var(--accent);
            font-size: 22px;
            font-weight: 800;
        }
        .plan-item .plan-price span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 400;
        }
        .plan-item .plan-badge {
            background: var(--gold);
            color: #0B1611;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
        }
        .site-footer {
            background: var(--bg-dark);
            padding: 72px 0 32px;
            border-top: 1px solid var(--line-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }
        .footer-brand .logo-text {
            color: #ffffff;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--line-dark);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.3);
            font-size: 13px;
        }
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 14px;
            margin-top: 48px;
        }
        .back-home:hover {
            color: var(--accent);
        }
        @media (max-width: 1200px) {
            .container {
                padding: 0 40px;
            }
            .compare-layout {
                gap: 40px;
            }
            .faq-layout {
                gap: 40px;
            }
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 24px;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                right: -100%;
                width: 100%;
                background: var(--bg-light);
                flex-direction: column;
                align-items: stretch;
                padding: 24px 24px 40px;
                gap: 0;
                box-shadow: 0 20px 40px rgba(16, 24, 20, 0.08);
                transition: right 0.3s ease;
                height: calc(100vh - 72px);
                overflow-y: auto;
                z-index: 999;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                padding: 16px 0;
                border-bottom: 1px solid var(--line-light);
                font-size: 16px;
            }
            .main-nav a.active::after {
                width: 32px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 44px;
                height: 44px;
                border-radius: var(--radius-btn);
                border: 1px solid var(--line-light);
                font-size: 18px;
                color: var(--text-main);
                background: transparent;
            }
            .mega-trigger {
                display: none;
            }
            .header-actions .member-btn {
                display: none;
            }
            .page-hero {
                padding: 72px 0 56px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
            .compare-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .levels-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .preview-grid {
                grid-template-columns: 1fr;
            }
            .preview-card.large .card-img {
                height: 220px;
            }
            .preview-stack {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .preview-stack .preview-card .card-img {
                height: 140px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .mega-panel {
                display: none;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 64px 0;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .hero-tagbar .tag {
                padding: 6px 14px;
                font-size: 12px;
            }
            .compare-row .cell {
                padding: 12px 16px;
                font-size: 13px;
            }
            .compare-row.header-row .cell {
                padding: 16px;
                font-size: 14px;
            }
            .levels-row {
                grid-template-columns: 1fr;
            }
            .level-card {
                padding: 24px;
            }
            .preview-stack {
                grid-template-columns: 1fr;
            }
            .faq-item summary {
                padding: 18px 0;
                font-size: 15px;
            }
            .cta-copy h2 {
                font-size: 28px;
            }
            .plan-item {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
                padding: 16px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .compare-table {
                overflow-x: auto;
            }
            .compare-row {
                min-width: 520px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --bg-light: #F4F5F1;
            --bg-dark: #0B1611;
            --bg-dark-2: #11211A;
            --accent: #A9F04B;
            --accent-hover: #7BC43A;
            --gold: #D9B877;
            --text-main: #152119;
            --text-sub: #5F6B64;
            --text-muted: #9CA69D;
            --border-light: #E0E5DC;
            --border-dark: rgba(255,255,255,0.14);
            --danger: #E4573D;
            --success: #4CB944;
            --radius-large: 20px;
            --radius-card: 14px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 2px rgba(16,24,20,0.04), 0 6px 20px rgba(16,24,20,0.05);
            --shadow-hover: 0 2px 4px rgba(16,24,20,0.06), 0 16px 40px rgba(16,24,20,0.10);
            --transition: all .2s ease;
            --container-width: 1320px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 80px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            height: 72px;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 8px rgba(16, 24, 20, 0.06);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

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

        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent);
            position: relative;
            overflow: hidden;
            display: inline-block;
        }

        .logo-mark::before {
            content: "";
            position: absolute;
            width: 0;
            height: 0;
            border-left: 9px solid transparent;
            border-right: 9px solid transparent;
            border-bottom: 16px solid var(--bg-dark);
            top: 5px;
            left: 7px;
            transform: rotate(35deg);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 36px;
            margin-left: auto;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: transparent;
            transition: var(--transition);
        }

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

        .main-nav a:hover::after {
            background: var(--border-light);
        }

        .main-nav a.active {
            color: var(--text-main);
        }

        .main-nav a.active::after {
            background: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .mega-trigger {
            position: relative;
        }

        .mega-trigger>button {
            height: 44px;
            padding: 0 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            background: #fff;
            transition: var(--transition);
        }

        .mega-trigger>button:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            width: 680px;
            max-width: 90vw;
            background: var(--bg-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-large);
            padding: 28px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity .24s ease, transform .24s ease, visibility .24s;
            z-index: 100;
        }

        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel,
        .mega-trigger.mega-open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel h4 {
            color: var(--text-muted);
            font-size: 13px;
            letter-spacing: .06em;
            margin-bottom: 14px;
            font-weight: 600;
        }

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

        .mega-tags a {
            display: inline-block;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.82);
            transition: var(--transition);
        }

        .mega-tags a:hover {
            background: var(--accent);
            color: var(--bg-dark);
            border-color: var(--accent);
        }

        .mega-news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mega-news-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px;
            border-radius: 10px;
            transition: background .2s;
        }

        .mega-news-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mega-news-item img {
            width: 52px;
            height: 52px;
            object-fit: cover;
            border-radius: 8px;
            background: var(--bg-dark-2);
        }

        .mega-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 160px;
        }

        .mega-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        .mega-cta-card {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-dark);
            border-radius: 14px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
        }

        .mega-cta-card h4 {
            color: var(--gold);
            font-size: 16px;
            margin-bottom: 8px;
        }

        .mega-cta-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .mega-cta-card a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 16px;
            background: var(--accent);
            color: var(--bg-dark);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
        }

        .mega-cta-card a:hover {
            background: var(--accent-hover);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-dark);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }

        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-membership {
            background: var(--accent);
            color: var(--bg-dark);
        }

        .btn-membership:hover {
            background: var(--accent-hover);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            font-size: 20px;
            color: var(--text-main);
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }

        /* ========== 页面横幅 ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(120deg, rgba(11, 22, 17, 0.96) 0%, rgba(17, 33, 26, 0.88) 55%, rgba(17, 33, 26, 0.72) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 92px 0 76px;
            color: #fff;
        }

        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .banner-eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--accent);
            display: inline-block;
        }

        .page-banner h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 18px;
        }

        .page-banner h1 span {
            color: var(--accent);
        }

        .banner-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            line-height: 1.9;
        }

        .banner-desc a {
            color: var(--accent);
            font-weight: 600;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .banner-desc a:hover {
            border-bottom-color: var(--accent);
        }

        /* ========== 标签条 ========== */
        .tag-strip {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
        }

        .tag-strip-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }

        .tag-strip-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-sub);
            margin-right: 4px;
        }

        .tag-strip .strip-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .tag-strip .strip-tag i {
            color: var(--accent-hover);
            font-size: 13px;
        }

        .tag-strip .strip-tag:hover {
            border-color: var(--accent);
            background: rgba(169, 240, 75, 0.08);
        }

        /* ========== 通用区块 ========== */
        .section {
            padding: 96px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 420px;
            line-height: 1.8;
        }

        /* ========== 对比表 ========== */
        .plan-compare {
            padding: 96px 0;
            background: var(--bg-light);
        }

        .plan-layout {
            display: grid;
            grid-template-columns: 0.85fr 1.6fr;
            gap: 56px;
            align-items: start;
        }

        .plan-intro h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 18px;
        }

        .plan-intro p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .plan-intro .intro-note {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .plan-table-wrap {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .plan-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 480px;
        }

        .plan-table th,
        .plan-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }

        .plan-table thead th {
            background: #FAFBF8;
            font-weight: 700;
            color: var(--text-main);
        }

        .plan-table thead .plan-name {
            font-size: 16px;
            font-weight: 800;
        }

        .plan-table thead .plan-name small {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .plan-table thead .plan-recommend {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
        }

        .plan-table thead .plan-recommend .rec-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(217, 184, 119, 0.18);
            color: var(--gold);
            font-size: 11px;
            font-weight: 700;
            margin-top: 6px;
            letter-spacing: .04em;
        }

        .plan-table tbody tr:last-child td {
            border-bottom: none;
        }

        .plan-table tbody td:first-child {
            text-align: left;
            color: var(--text-sub);
        }

        .plan-table .check {
            color: var(--success);
            font-size: 15px;
        }

        .plan-table .cross {
            color: var(--danger);
            font-size: 15px;
        }

        .plan-table .pro-tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(169, 240, 75, 0.2);
            color: #5B7D2E;
            font-size: 11px;
            font-weight: 700;
            margin-left: 6px;
            vertical-align: middle;
        }

        .table-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
            line-height: 1.6;
        }

        /* ========== 横向等级条 ========== */
        .level-progress {
            padding: 96px 0;
            background: #fff;
        }

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

        .level-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            background: var(--bg-light);
            transition: var(--transition);
            position: relative;
        }

        .level-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(169, 240, 75, 0.5);
        }

        .level-card .level-num {
            font-size: 42px;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 12px;
        }

        .level-card .level-num em {
            font-style: normal;
            color: var(--accent-hover);
        }

        .level-card .level-type {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .level-card .level-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .level-bar-wrap {
            margin-bottom: 10px;
        }

        .level-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .level-bar {
            height: 8px;
            border-radius: 999px;
            background: var(--border-light);
            overflow: hidden;
        }

        .level-bar i {
            display: block;
            height: 100%;
            border-radius: 999px;
            background: var(--accent);
        }

        .level-bar i.gold {
            background: linear-gradient(90deg, var(--accent), var(--gold));
        }

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

        .level-card .level-meta i {
            color: var(--gold);
        }

        /* ========== 权益展示 ========== */
        .benefit-section {
            padding: 96px 0;
            background: var(--bg-light);
        }

        .benefit-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .benefit-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-large);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .benefit-media {
            height: 220px;
            overflow: hidden;
            position: relative;
            background: var(--bg-dark-2);
        }

        .benefit-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .benefit-media .member-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 5px 12px;
            background: rgba(11, 22, 17, 0.82);
            color: var(--gold);
            border: 1px solid rgba(217, 184, 119, 0.45);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
        }

        .benefit-card .benefit-body {
            padding: 26px 28px 30px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .benefit-body h3 {
            font-size: 21px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .benefit-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            flex: 1;
        }

        .benefit-body .benefit-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-hover);
            transition: var(--transition);
        }

        .benefit-body .benefit-link:hover {
            gap: 10px;
            color: var(--text-main);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 96px 0;
            background: #fff;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 56px;
            align-items: start;
        }

        .faq-intro h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 18px;
        }

        .faq-intro p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .faq-intro .contact-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-hover);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .faq-intro .contact-link:hover {
            border-bottom-color: var(--accent-hover);
        }

        .faq-list {
            border-top: 1px solid var(--border-light);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 0;
            text-align: left;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            transition: var(--transition);
        }

        .faq-toggle:hover {
            color: var(--accent-hover);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--text-sub);
            transition: transform .28s ease, border-color .2s ease, color .2s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .32s ease;
        }

        .faq-answer-inner {
            padding: 0 0 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

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

        .cta-banner::after {
            content: "";
            position: absolute;
            right: -140px;
            top: -140px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(169, 240, 75, 0.16) 0%, transparent 70%);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            position: relative;
            z-index: 2;
        }

        .cta-text h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.76);
            line-height: 1.8;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* ========== 返回入口 ========== */
        .back-links {
            background: var(--bg-light);
            padding: 44px 0;
            border-top: 1px solid var(--border-light);
        }

        .back-links-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .back-links-inner p {
            font-size: 14px;
            color: var(--text-sub);
        }

        .back-link-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .back-link-group a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 42px;
            padding: 0 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            background: #fff;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .back-link-group a:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 56px;
        }

        .footer-brand .logo {
            margin-bottom: 18px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-mark {
            background: var(--accent);
        }

        .footer-brand .logo-mark::before {
            border-bottom-color: var(--bg-dark);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            letter-spacing: .03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 48px;
            }

            .mega-panel {
                width: 600px;
            }

            .plan-layout {
                grid-template-columns: 1fr 1.4fr;
                gap: 40px;
            }

            .faq-layout {
                gap: 40px;
            }
        }

        @media (max-width: 992px) {
            .container {
                padding: 0 40px;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 40px 32px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(16, 24, 20, 0.08);
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                transition: transform .3s ease;
                overflow-y: auto;
                max-height: calc(100vh - 72px);
            }

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

            .main-nav a {
                width: 100%;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-light);
                border-radius: 0;
            }

            .main-nav a::after {
                display: none;
            }

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

            .mega-panel {
                position: static;
                width: 100%;
                max-width: none;
                grid-template-columns: 1fr;
                gap: 20px;
                opacity: 1;
                visibility: visible;
                transform: none;
                margin-top: 12px;
                box-shadow: none;
                border: 1px solid var(--border-dark);
                background: var(--bg-dark);
            }

            .mega-trigger {
                width: 100%;
            }

            .mega-trigger>button {
                width: 100%;
                justify-content: space-between;
            }

            .header-actions .btn-membership {
                display: none;
            }

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

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

            .benefit-layout {
                grid-template-columns: 1fr;
            }

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

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 24px;
            }

            .section,
            .plan-compare,
            .level-progress,
            .benefit-section,
            .faq-section {
                padding: 64px 0;
            }

            .page-banner {
                padding: 68px 0 56px;
            }

            .page-banner h1 {
                font-size: 38px;
            }

            .banner-desc {
                font-size: 15px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .plan-table-wrap {
                overflow-x: auto;
            }

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

            .cta-text h2 {
                font-size: 28px;
            }

            .back-links-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }

            .header-inner {
                gap: 12px;
            }

            .mega-trigger>button {
                padding: 0 10px;
                font-size: 13px;
            }

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

            .tag-strip-inner {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .tag-strip .strip-tag {
                flex-shrink: 0;
                padding: 6px 12px;
                font-size: 12px;
            }

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

            .cta-actions {
                width: 100%;
            }

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

            .back-link-group {
                flex-direction: column;
                width: 100%;
            }

            .back-link-group a {
                width: 100%;
                justify-content: center;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: opacity .15s ease !important;
                scroll-behavior: auto !important;
            }

            .btn:hover,
            .level-card:hover,
            .benefit-card:hover {
                transform: none;
            }

            .benefit-card:hover .benefit-media img {
                transform: none;
            }
        }

        :focus-visible {
            outline: 2px solid var(--accent-hover);
            outline-offset: 2px;
            border-radius: 4px;
        }