/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a6bff;
            --primary-light: #00d4ff;
            --primary-glow: rgba(26, 107, 255, 0.45);
            --bg-dark: #0a0f1e;
            --bg-deep: #070b17;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-solid: #0e1526;
            --text-main: #e8ecf4;
            --text-muted: #93a4be;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 212, 255, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-glow: 0 0 28px rgba(26, 107, 255, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-light);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 11, 23, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .logo {
            font-size: 17px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--primary-light);
            font-size: 20px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 4px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-light);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }
        .nav-link i {
            margin-right: 4px;
            font-size: 13px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 6px 6px 16px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
        }
        .search-box input {
            width: 160px;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 13px;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .search-box input:focus {
            outline: none;
        }
        .search-btn {
            background: var(--primary);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--primary-light);
            box-shadow: 0 0 14px var(--primary-glow);
        }
        .mobile-toggle {
            display: none;
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .header-actions .search-box {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }
        .mobile-menu {
            position: fixed;
            top: 68px;
            left: 0;
            width: 100%;
            background: rgba(7, 11, 23, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 24px 24px;
            transform: translateY(-100%);
            transition: transform 0.32s ease;
            z-index: 99;
        }
        .mobile-menu.open {
            transform: translateY(0);
        }
        .mobile-menu a {
            display: block;
            padding: 14px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary-light);
            padding-left: 20px;
        }
        .mobile-menu .mobile-search {
            margin-top: 12px;
            display: flex;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .mobile-menu .mobile-search input {
            flex: 1;
            padding: 10px 16px;
            background: transparent;
            color: #fff;
            font-size: 14px;
        }
        .mobile-menu .mobile-search button {
            padding: 0 16px;
            color: var(--primary-light);
            font-size: 14px;
            cursor: pointer;
        }

        /* ========== 通用按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #4f8fff);
            color: #fff;
            box-shadow: 0 4px 20px var(--primary-glow);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(26, 107, 255, 0.6);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.1);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 15px;
        }

        /* ========== 通用标题/区块 ========== */
        .section {
            padding: 88px 0;
            position: relative;
        }
        .section-head {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary-light);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.15);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 14px;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 90px;
            padding-bottom: 60px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 11, 23, 0.95) 0%, rgba(7, 11, 23, 0.75) 50%, rgba(7, 11, 23, 0.3) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 10;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            width: 100%;
        }
        .hero-left {
            max-width: 640px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: #ffb800;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 900;
            line-height: 1.3;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }
        .hero-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }
        .hero-right {
            display: flex;
            justify-content: center;
        }
        .hero-card {
            width: 100%;
            max-width: 420px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .hero-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -30%;
            width: 200px;
            height: 200px;
            background: rgba(0, 212, 255, 0.15);
            border-radius: 50%;
            filter: blur(60px);
        }
        .hero-card-icon {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .hero-card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .hero-card-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .hero-card-list {
            list-style: none;
            padding: 0;
        }
        .hero-card-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }
        .hero-card-list li:last-child {
            border-bottom: none;
        }
        .hero-card-list li i {
            color: var(--primary-light);
            margin-top: 3px;
            font-size: 13px;
        }
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-right {
                display: none;
            }
            .hero-title {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding-top: 120px;
                padding-bottom: 50px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-cta .btn {
                flex: 1;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
        }

        /* ========== 玻璃拟态卡片通用 ========== */
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .glass-card:hover {
            border-color: var(--border-hover);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 212, 255, 0.05);
            transform: translateY(-4px);
        }

        /* ========== 功能卡片 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            padding: 32px 24px;
            text-align: center;
        }
        .feature-icon {
            width: 62px;
            height: 62px;
            margin: 0 auto 20px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-light);
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(26, 107, 255, 0.08));
            border: 1px solid rgba(0, 212, 255, 0.15);
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 内容卡片 ========== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card-solid);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 212, 255, 0.06);
            border-color: var(--border-hover);
        }
        .content-card .thumb {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .content-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-card:hover .thumb img {
            transform: scale(1.06);
        }
        .content-card .thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 11, 23, 0.6), transparent 60%);
        }
        .content-card-body {
            padding: 24px;
        }
        .content-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.12);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .content-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .content-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 步骤/任务进度 ========== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-card {
            padding: 36px 28px;
            position: relative;
            overflow: hidden;
        }
        .step-num {
            font-size: 48px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.08);
            position: absolute;
            top: 10px;
            right: 16px;
            line-height: 1;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-light);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.15);
            margin-bottom: 20px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .steps-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 排行列表 ========== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--border-hover);
            transform: translateX(6px);
        }
        .rank-badge {
            font-size: 18px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.5);
            min-width: 32px;
            text-align: center;
        }
        .rank-item:nth-child(1) .rank-badge {
            color: #ffb800;
        }
        .rank-item:nth-child(2) .rank-badge {
            color: #c0c0c0;
        }
        .rank-item:nth-child(3) .rank-badge {
            color: #cd7f32;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
        }
        .rank-info .rank-meta {
            font-size: 13px;
            color: var(--text-muted);
        }
        .rank-heat {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            white-space: nowrap;
        }

        /* ========== 资讯区 ========== */
        .news-wrap {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 36px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card-solid);
            transition: var(--transition);
            cursor: pointer;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.06);
            padding-left: 26px;
        }
        .news-item .news-icon {
            color: var(--primary-light);
            font-size: 14px;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .news-item .news-title {
            flex: 1;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.5;
            font-weight: 500;
        }
        .news-item .news-title:hover {
            color: var(--primary-light);
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            padding: 24px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
        }
        .side-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card h3 i {
            color: var(--primary-light);
            font-size: 14px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-block;
            font-size: 12px;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            padding: 6px 14px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .tag-item:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .side-post {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            align-items: center;
        }
        .side-post:last-child {
            border-bottom: none;
        }
        .side-post .thumb-mini {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .side-post .thumb-mini img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .side-post h4 {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.5;
            font-weight: 500;
        }
        .side-post h4:hover {
            color: var(--primary-light);
        }
        @media (max-width: 1024px) {
            .news-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 11, 23, 0.92), rgba(26, 107, 255, 0.25));
        }
        .cta-inner {
            position: relative;
            z-index: 10;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-btns .btn {
                flex: 1;
                min-width: 140px;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 14px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.open {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(0, 212, 255, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            user-select: none;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary-light);
            background: rgba(0, 212, 255, 0.1);
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 2px;
            padding-top: 16px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 背景装饰 ========== */
        .section-gray {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        /* ========== 焦点状态 ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
        }

/* roulang page: index */
:root {
  --bg-primary: #070b16;
  --bg-secondary: #0d1226;
  --bg-tertiary: #111a33;
  --card-bg: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.09);
  --text-primary: #eef2ff;
  --text-secondary: rgba(238, 242, 255, 0.72);
  --text-tertiary: rgba(238, 242, 255, 0.5);
  --accent: #00d4ff;
  --accent-2: #7c5cff;
  --accent-3: #00ffa3;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 32px rgba(0, 212, 255, 0.25);
  --font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

.container-page {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-padding {
  padding: 92px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 640px;
  margin-top: 14px;
  line-height: 1.8;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.btn-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
  transition: all 0.3s ease;
}

.btn-glow:hover {
  box-shadow: 0 6px 36px rgba(124, 92, 255, 0.45);
  transform: translateY(-2px);
}

.btn-glow:active {
  transform: translateY(0);
  box-shadow: 0 2px 16px rgba(0, 212, 255, 0.2);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(0, 212, 255, 0.5);
  color: var(--accent);
}

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

.badge-hot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 107, 107, 0.15);
  color: #ff8a8a;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 107, 107, 0.25);
}

.badge-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 212, 255, 0.22);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(7, 11, 22, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.site-header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-text .logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header-nav a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 2px;
}

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

.header-nav a.active {
  color: var(--accent);
}

.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 6px 8px 6px 16px;
  width: 220px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.header-search:focus-within {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.08);
}

.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
  width: 100%;
}

.header-search input::placeholder {
  color: var(--text-tertiary);
}

.header-search button {
  background: rgba(0, 212, 255, 0.15);
  border: none;
  color: var(--accent);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease;
}

.header-search button:hover {
  background: rgba(0, 212, 255, 0.25);
}

.hot-tags {
  background: rgba(7, 11, 22, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding: 8px 0;
  display: block;
}

.hot-tags-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hot-tags-label {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.hot-tags a {
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 3px 12px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.hot-tags a:hover {
  color: var(--accent);
  border-color: rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.08);
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 11, 22, 0.95) 0%, rgba(7, 11, 22, 0.82) 40%, rgba(7, 11, 22, 0.55) 70%, rgba(7, 11, 22, 0.35) 100%);
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin-top: 18px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.85;
  margin-top: 24px;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-posters {
  position: relative;
}

.hero-poster-main {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}

.hero-poster-main img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.hero-poster-main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 22, 0.6) 0%, transparent 50%);
}

.poster-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 107, 107, 0.9);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  padding: 7px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
}

.poster-floating-card {
  position: absolute;
  bottom: -24px;
  left: 24px;
  right: 24px;
  background: rgba(13, 18, 38, 0.88);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 16px 20px;
  z-index: 4;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.poster-floating-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.poster-floating-info .avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}

.poster-floating-info .name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.poster-floating-info .desc {
  font-size: 12px;
  color: var(--text-tertiary);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 72px;
  position: relative;
  z-index: 2;
}

.stat-card {
  background: rgba(13, 18, 38, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  text-align: center;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.stat-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-3px);
}

.stat-card .num {
  font-size: 30px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* 玩法介绍 */
.features-section {
  background: var(--bg-secondary);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.feature-card {
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}

.feature-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(0, 212, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 20px;
  transition: background 0.3s ease;
}

.feature-card:hover .icon-wrap {
  background: rgba(0, 212, 255, 0.2);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.feature-card .cover-img {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 18px;
  height: 150px;
}

.feature-card .cover-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 奖励预览 */
.rewards-section {
  background: var(--bg-primary);
  position: relative;
}

.rewards-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}

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

.reward-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.reward-item:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.2);
}

.reward-item .reward-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(124, 92, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  font-size: 18px;
  flex-shrink: 0;
}

.reward-item .reward-title {
  font-size: 16px;
  font-weight: 700;
}

.reward-item .reward-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.6;
}

.compare-card {
  padding: 40px 32px;
  position: relative;
}

.compare-card .badge-vs {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 107, 107, 0.15);
  color: #ff8a8a;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}

.compare-card ul {
  list-style: none;
  margin-top: 20px;
}

.compare-card ul li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.compare-card ul li i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

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

/* 任务进度 */
.journey-section {
  background: var(--bg-secondary);
}

.journey-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
  position: relative;
}

.journey-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, rgba(0, 212, 255, 0.3), rgba(124, 92, 255, 0.3));
  z-index: 0;
}

.journey-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.journey-step .step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid rgba(0, 212, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
}

.journey-step .step-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.journey-step .step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 220px;
  margin: 0 auto;
}

/* FAQ */
.faq-section {
  background: var(--bg-primary);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: '\f059';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 18px;
  color: var(--accent);
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px 54px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 资讯 */
.news-section {
  background: var(--bg-secondary);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  margin-top: 48px;
}

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

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.news-item:hover {
  background: rgba(0, 212, 255, 0.04);
  border-color: rgba(0, 212, 255, 0.15);
  transform: translateX(4px);
}

.news-item .news-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 15px;
  flex-shrink: 0;
}

.news-item .news-content {
  flex: 1;
}

.news-item .news-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s ease;
  line-height: 1.5;
}

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

.news-item .news-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.news-item .news-meta i {
  font-size: 11px;
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h4 i {
  color: var(--accent-2);
}

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

.sidebar-tags a {
  font-size: 13px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}

.sidebar-tags a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  border-color: rgba(0, 212, 255, 0.3);
}

.sidebar-img {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 14px;
}

.sidebar-img img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.sidebar-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA */
.cta-section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 11, 22, 0.92), rgba(13, 18, 38, 0.85));
}

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

.cta-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.3;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 16px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: #060910;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-text {
  font-size: 18px;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 280px;
}

.footer-links h5 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
}

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

.footer-links ul li a {
  font-size: 13px;
  color: var(--text-tertiary);
  transition: color 0.2s ease;
}

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

.footer-contact h5 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-contact p {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact p i {
  color: var(--accent);
  width: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  text-align: center;
}

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

.footer-bottom .domain-text {
  color: var(--text-tertiary);
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-posters {
    max-width: 560px;
    margin: 0 auto;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rewards-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  .header-search {
    width: 160px;
  }
  .hot-tags-inner {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 48px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .journey-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }
  .journey-steps::before {
    display: none;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-poster-main img {
    height: 340px;
  }
}

@media (max-width: 520px) {
  .container-page {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-header-inner {
    height: 60px;
    padding: 0 16px;
  }
  .logo-text {
    font-size: 16px;
  }
  .logo-text .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
  .header-search {
    display: none;
  }
  .header-nav a {
    font-size: 14px;
  }
  .hero-section {
    padding-top: 100px;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .hero-cta {
    flex-direction: column;
  }
  .hero-cta .btn-glow,
  .hero-cta .btn-outline {
    width: 100%;
  }
  .journey-steps {
    grid-template-columns: 1fr;
  }
  .poster-floating-card {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    left: 12px;
    right: 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 80px 0;
  }
}