/* roulang page: index */
:root {
    --primary: #1f4e9c;
    --primary-dark: #153a6e;
    --primary-light: #3d7fd9;
    --accent: #f5b942;
    --accent-dark: #d99a1b;
    --dark-bg: #0d1b2a;
    --dark-bg-2: #142741;
    --body-bg: #f5f7fb;
    --card-bg: #ffffff;
    --text: #14213d;
    --text-light: #5b6b7b;
    --border: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.06);
    --shadow-md: 0 8px 30px rgba(13, 27, 42, 0.1);
    --shadow-lg: 0 20px 60px rgba(13, 27, 42, 0.16);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--body-bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

input {
    font-family: inherit;
}

.container {
    max-width: 1200px;
    width: 92%;
    margin: 0 auto;
}

/* 顶部信息条 */
.topbar {
    background: var(--dark-bg);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.topbar-left {
    display: flex;
    gap: 24px;
    align-items: center;
}

.topbar-left i {
    color: var(--accent);
    margin-right: 6px;
}

.topbar-right {
    display: flex;
    gap: 16px;
}

.topbar-right a {
    color: rgba(255, 255, 255, 0.85);
}

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

/* 主导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(13, 27, 42, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    position: relative;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark-bg);
    letter-spacing: -0.5px;
    z-index: 2;
}

.logo-badge {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(31, 78, 156, 0.3);
}

.site-logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.main-nav>ul {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav>ul>li {
    position: relative;
}

.main-nav>ul>li>a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    border-radius: var(--radius-sm);
}

.main-nav>ul>li>a:hover,
.main-nav>ul>li>a.active {
    color: var(--primary);
    background: rgba(31, 78, 156, 0.08);
}

.main-nav>ul>li>a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.main-nav .has-mega:hover .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 540px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 50;
}

.mega-panel::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #fff;
}

.mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.mega-col h4 {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
}

.mega-col a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 0;
    font-size: 0.88rem;
    color: var(--text-light);
}

.mega-col a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.mega-col a i {
    color: var(--accent);
    font-size: 0.8rem;
}

.mega-cta {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mega-cta span {
    font-size: 0.88rem;
    color: var(--text-light);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 6px 20px rgba(31, 78, 156, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(31, 78, 156, 0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #f7c96a);
    color: var(--dark-bg);
    box-shadow: 0 6px 20px rgba(245, 185, 66, 0.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 185, 66, 0.45);
}

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

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

.btn-lg {
    padding: 15px 38px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(31, 78, 156, 0.1);
    color: var(--primary);
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
}

/* Hero 首屏 */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-2) 50%, #1a3a5c 100%);
    color: #fff;
    padding: 100px 0 90px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(61, 127, 217, 0.25), transparent 70%);
    z-index: 1;
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 185, 66, 0.15);
    border: 1px solid rgba(245, 185, 66, 0.4);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badge i {
    font-size: 0.75rem;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent), #ffd07a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 28px;
}

.hero-stat h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.hero-stat p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 4px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.hero-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.hero-card-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.85);
}

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

.hero-card-list li i {
    color: var(--accent);
    width: 18px;
    text-align: center;
    font-size: 0.8rem;
}

.hero-card-btn {
    width: 100%;
    margin-top: 20px;
}

/* 板块通用 */
.section {
    padding: 90px 0;
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    background: rgba(31, 78, 156, 0.1);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.section-head h2 {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.5px;
    color: var(--dark-bg);
    margin-bottom: 14px;
}

.section-head p {
    color: var(--text-light);
    font-size: 1.02rem;
    line-height: 1.8;
}

/* 核心优势 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(31, 78, 156, 0.2);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(31, 78, 156, 0.1), rgba(245, 185, 66, 0.1));
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 分类入口 */
.categories {
    background: var(--dark-bg);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.categories::before {
    content: '';
    position: absolute;
    bottom: -20%;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}

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

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

.categories .section-head p {
    color: rgba(255, 255, 255, 0.6);
}

.categories .section-tag {
    background: rgba(245, 185, 66, 0.15);
    color: var(--accent);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.category-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.category-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245, 185, 66, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.category-card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.category-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.category-card:hover .category-card-img img {
    transform: scale(1.06);
}

.category-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 27, 42, 0.6), transparent);
}

.category-card-body {
    padding: 28px;
}

.category-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.category-card-body p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 18px;
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
}

.category-link i {
    transition: transform 0.3s;
}

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

/* 平台流程 */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 48px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.3;
    z-index: 0;
}

.step-item {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 10px;
}

.step-num {
    width: 96px;
    height: 96px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 3px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    position: relative;
}

.step-num i {
    font-size: 1.6rem;
}

.step-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-bg);
}

.step-item p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 内容卡片区 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.content-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.content-card-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.content-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.content-card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent);
    color: var(--dark-bg);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
    z-index: 2;
}

.content-card-body {
    padding: 24px;
}

.content-card-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.content-card-body p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
}

.content-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

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

/* 资讯列表 */
.news-section {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.news-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.news-side h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 12px;
}

.news-side p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.news-tag {
    background: var(--body-bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-light);
    transition: var(--transition);
}

.news-tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.news-list-box {
    background: var(--body-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border);
}

.news-item {
    display: block;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
    border-left-color: var(--accent);
}

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

.news-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 6px;
}

.news-item p {
    font-size: 0.88rem;
    color: var(--text-light);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.news-item-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.news-item-meta .news-cat {
    background: rgba(31, 78, 156, 0.1);
    color: var(--primary);
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
}

.news-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-light);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

/* 数据统计 */
.stats-band {
    background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-2));
    color: #fff;
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.stats-band::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 185, 66, 0.2), transparent 70%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-block {
    padding: 20px;
}

.stat-block .num {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-block p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.7);
}

.stat-block i {
    font-size: 2rem;
    color: var(--primary-light);
    margin-bottom: 14px;
}

/* FAQ */
.faq-grid {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(31, 78, 156, 0.3);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 26px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-bg);
}

.faq-question i {
    color: var(--primary);
    transition: transform 0.3s;
    font-size: 0.9rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 26px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 0 26px 24px;
    max-height: 300px;
}

/* CTA */
.cta-section {
    position: relative;
    padding: 100px 0;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, rgba(13, 27, 42, 0.9), rgba(20, 39, 65, 0.85)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.cta-section h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

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

/* 页脚 */
.site-footer {
    background: var(--dark-bg);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

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

.footer-col ul li a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

.footer-col ul li a i {
    font-size: 0.7rem;
    color: var(--accent);
}

.footer-contact p {
    font-size: 0.88rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--accent);
    width: 20px;
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.4rem;
    }

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

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

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

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

@media (max-width: 768px) {
    .topbar .container {
        flex-direction: column;
        gap: 6px;
    }

    .header-inner {
        padding: 14px 0;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: #fff;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
        padding: 80px 24px 30px;
        transition: right 0.4s ease;
        z-index: 150;
        flex-direction: column;
        align-items: flex-start;
        overflow-y: auto;
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav>ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }

    .main-nav>ul>li {
        width: 100%;
    }

    .main-nav>ul>li>a {
        width: 100%;
        padding: 14px 12px;
        border-bottom: 1px solid var(--border);
    }

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

    .mega-panel {
        position: static;
        transform: none;
        width: 100%;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 10px 0 10px 16px;
        opacity: 1;
        visibility: visible;
        display: none;
        background: var(--body-bg);
    }

    .main-nav>ul>li.has-mega:hover .mega-panel {
        display: block;
    }

    .mega-panel::before {
        display: none;
    }

    .mega-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .mobile-toggle {
        display: flex;
    }

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

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(13, 27, 42, 0.6);
        z-index: 140;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-overlay.open {
        opacity: 1;
        visibility: visible;
    }

    .hero {
        padding: 60px 0 50px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .section {
        padding: 60px 0;
    }

    .section-head h2 {
        font-size: 1.8rem;
    }

    .category-cards {
        grid-template-columns: 1fr;
    }

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

    .steps-grid::before {
        display: none;
    }

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

    .cta-section h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 520px) {
    .container {
        width: 96%;
    }

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

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

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

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

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

    .hero-buttons {
        flex-direction: column;
    }

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

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

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

    .news-item {
        padding: 16px;
    }
}

/* roulang page: category1 */
:root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #eef2ff;
            --accent: #f59e0b;
            --accent-dark: #b45309;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.14);
            --transition: 0.25s ease;
            --container-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ---- 导航 ---- */
        .site-header {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 200;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .site-logo:hover {
            color: var(--primary);
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), #818cf8);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(79,70,229,0.3);
        }

        .main-nav > ul {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .main-nav > ul > li {
            position: relative;
            margin: 0;
        }

        .main-nav > ul > li > a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: 10px;
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .main-nav > ul > li > a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav > ul > li > a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
        }

        /* Mega panel */
        .has-mega {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius);
            box-shadow: 0 20px 60px rgba(0,0,0,0.18);
            border: 1px solid var(--border);
            padding: 22px;
            width: 520px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.25s ease;
            pointer-events: none;
            z-index: 300;
        }

        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
            pointer-events: auto;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .mega-col h4 {
            font-size: 13px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .mega-col a {
            display: block;
            padding: 7px 0;
            font-size: 14px;
            color: var(--text);
        }

        .mega-col a:hover {
            color: var(--primary);
        }

        .mega-col a i {
            font-size: 11px;
            margin-right: 4px;
            color: var(--primary);
        }

        .mega-cta {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .mega-cta span {
            font-size: 14px;
            color: var(--text-weak);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(79,70,229,0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79,70,229,0.4);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(245,158,11,0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* ---- Hero Bannner ---- */
        .page-hero {
            background: linear-gradient(135deg, rgba(15,23,42,0.88), rgba(79,70,229,0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 90px 0 72px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 70%);
            pointer-events: none;
        }

        .page-hero .badge-top {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero h1 span {
            color: #fbbf24;
        }

        .page-hero p.lead {
            font-size: 17px;
            max-width: 660px;
            margin-bottom: 28px;
            color: rgba(255,255,255,0.92);
            line-height: 1.7;
        }

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

        /* ---- 面包屑 ---- */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 14px;
        }

        .breadcrumb-bar a {
            color: var(--text-weak);
            margin: 0 6px;
        }

        .breadcrumb-bar a:first-child {
            margin-left: 0;
        }

        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 600;
        }

        .breadcrumb-bar i {
            font-size: 12px;
            color: var(--text-weak);
            margin: 0 4px;
        }

        /* ---- 板块间距 ---- */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 50px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-weak);
            margin-top: 12px;
            font-size: 16px;
        }

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

        .section-alt .section-head p {
            color: rgba(255,255,255,0.6);
        }

        .section-alt .section-head .section-tag {
            background: rgba(255,255,255,0.12);
            color: #fff;
        }

        /* ---- 标签分类 ---- */
        .topic-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 32px;
        }

        .topic-tabs a {
            padding: 10px 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: all 0.2s ease;
            box-shadow: 0 2px 6px rgba(0,0,0,0.04);
        }

        .topic-tabs a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(79,70,229,0.12);
        }

        .topic-tabs a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(79,70,229,0.3);
        }

        /* ---- 卡片区 ---- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 20px;
        }

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

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .feature-card .card-media {
            height: 200px;
            overflow: hidden;
        }

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

        .feature-card:hover .card-media img {
            transform: scale(1.06);
        }

        .feature-card .card-body {
            padding: 24px;
        }

        .feature-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.6;
        }

        .feature-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .feature-card .card-link:hover {
            color: var(--primary-dark);
        }

        /* ---- 教程步骤 ---- */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
        }

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

        .step-num {
            width: 46px;
            height: 46px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), #818cf8);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(79,70,229,0.25);
        }

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

        .step-card p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ---- 安全须知 ---- */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: all 0.25s ease;
        }

        .tip-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .tip-item .tip-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .tip-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .tip-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ---- FAQ ---- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            transition: transform 0.3s ease;
            font-size: 13px;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ---- 文案卡片 ---- */
        .content-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 20px;
            transition: all 0.25s ease;
        }

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

        .content-card .content-media {
            width: 180px;
            height: 130px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .content-card .content-info {
            flex: 1;
        }

        .content-card .content-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 12px;
            border-radius: 100px;
            display: inline-block;
            margin-bottom: 8px;
        }

        .content-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .content-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ---- 数据徽章 ---- */
        .stats-bar {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 20px;
            box-shadow: var(--shadow);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
        }

        .stat-item .label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        /* ---- CTA ---- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #6d28d9 100%);
            padding: 60px 0;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .btn-white:hover {
            background: #f1f5f9;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ---- 页脚 ---- */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 70px 0 30px;
            font-size: 14px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .site-footer .footer-brand p {
            color: #94a3b8;
            line-height: 1.7;
            margin-top: 10px;
            font-size: 14px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .site-footer .footer-col ul a {
            color: #94a3b8;
            transition: color 0.2s ease;
        }

        .site-footer .footer-col ul a:hover {
            color: #fff;
        }

        .site-footer .footer-col ul a i {
            font-size: 11px;
            margin-right: 6px;
            color: var(--accent);
        }

        .footer-contact p {
            color: #94a3b8;
            margin-bottom: 10px;
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: #64748b;
        }

        /* ---- 响应式 ---- */
        @media screen and (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mega-panel {
                width: 440px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }
            .site-logo {
                font-size: 17px;
            }
            .logo-badge {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .main-nav > ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                width: 100%;
                background: #fff;
                padding: 18px 20px;
                box-shadow: 0 12px 32px rgba(0,0,0,0.12);
                gap: 4px;
            }
            .main-nav > ul.open {
                display: flex;
            }
            .main-nav > ul > li > a {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-toggle {
                display: block;
            }
            .mega-panel {
                position: static;
                width: 100%;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: 1px solid var(--border);
                border-radius: 10px;
                margin-top: 8px;
                margin-bottom: 8px;
                padding: 14px;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .has-mega:hover .mega-panel {
                transform: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-grid .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media screen and (max-width: 520px) {
            .section {
                padding: 50px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero {
                padding: 50px 0 40px;
            }
            .content-card {
                flex-direction: column;
                padding: 16px;
            }
            .content-card .content-media {
                width: 100%;
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #eef2ff;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fef3c7;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --dark-bg: #0f172a;
    --dark-bg-2: #1e293b;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99,102,241,0.35);
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.45);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,158,11,0.4);
}
.btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; }

/* ====== Header & Nav ====== */
.site-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.5px;
    flex-shrink: 0;
    text-decoration: none;
}
.site-logo:hover { color: var(--text); }
.logo-badge {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}
.main-nav ul { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
.main-nav ul li { position: relative; }
.main-nav ul li a {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 15px;
    color: var(--text);
    transition: var(--transition);
    text-decoration: none;
}
.main-nav ul li a i { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.main-nav ul li a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}
.main-nav ul li a:hover i { color: var(--primary); }
.main-nav ul li a.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.main-nav ul li a.active i { color: rgba(255,255,255,0.9); }
.has-mega > a::after {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg) translateY(-2px);
    margin-left: 4px;
    transition: var(--transition);
}
.has-mega > a:hover::after,
.has-mega:hover > a::after {
    border-color: var(--primary);
    transform: rotate(225deg) translateY(-2px);
}
.mega-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 24px;
    min-width: 520px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 100;
    margin-top: 8px;
}
.has-mega:hover .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.mega-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.mega-col a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text);
    font-weight: 400;
    transition: var(--transition);
    text-decoration: none;
}
.mega-col a i { font-size: 11px; color: var(--primary); }
.mega-col a:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateX(3px);
}
.mega-cta {
    margin-top: 16px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.mega-cta span { font-size: 14px; font-weight: 600; color: var(--text); }
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.header-search {
    position: relative;
}
.header-search input {
    width: 200px;
    padding: 9px 14px 9px 38px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--bg);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}
.header-search input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
    width: 240px;
}
.header-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-muted);
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
    font-size: 24px;
    padding: 8px;
}

/* ====== Article Banner ====== */
.article-banner {
    position: relative;
    background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,41,59,0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 70px 0 56px;
    color: #fff;
}
.article-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb i {
    font-size: 10px;
    color: rgba(255,255,255,0.4);
}
.breadcrumb span {
    color: rgba(255,255,255,0.9);
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.banner-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    backdrop-filter: blur(8px);
}
.banner-category i { font-size: 11px; }
.article-banner h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 16px;
    max-width: 760px;
    letter-spacing: 0.5px;
}
.banner-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    flex-wrap: wrap;
}
.banner-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.banner-meta i { font-size: 12px; color: rgba(255,255,255,0.5); }

/* ====== Article Section ====== */
.article-section {
    padding: 56px 0 64px;
}
.article-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    align-items: start;
}
.article-main {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    padding: 40px;
    overflow: hidden;
}
.article-body {
    font-size: 16.5px;
    line-height: 1.9;
    color: var(--text);
}
.article-body p {
    margin-bottom: 1.5rem;
}
.article-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 2.2rem 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--primary-light);
    color: var(--text);
}
.article-body h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 1.8rem 0 0.8rem;
    color: var(--text);
}
.article-body h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.4rem 0 0.6rem;
    color: var(--text);
}
.article-body img {
    border-radius: var(--radius);
    margin: 1.5rem auto;
    box-shadow: var(--shadow-md);
}
.article-body ul,
.article-body ol {
    margin: 1rem 0 1.5rem;
    padding-left: 1.6rem;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 1.2rem 1.5rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text);
}
.article-body a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 15px;
}
.article-body th,
.article-body td {
    border: 1px solid var(--border);
    padding: 12px 14px;
    text-align: left;
}
.article-body th {
    background: var(--bg);
    font-weight: 600;
}
.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-tags span {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}
.tag-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
    text-decoration: none;
}
.tag-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}
.share-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.share-label { font-size: 14px; color: var(--text-muted); }
.share-icons { display: flex; gap: 10px; }
.share-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
    text-decoration: none;
}
.share-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ====== Sidebar ====== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.sidebar-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}
.sidebar-card h3 i {
    color: var(--primary);
    font-size: 16px;
}
.sidebar-about p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}
.sidebar-about .about-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}
.sidebar-tags .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-chip {
    padding: 6px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
    text-decoration: none;
}
.tag-chip:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
    transform: translateY(-2px);
}
.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
}
.sidebar-list-item:last-child { border-bottom: none; }
.sidebar-list-item:hover {
    padding-left: 6px;
}
.sidebar-thumb {
    width: 68px;
    height: 52px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}
.sidebar-item-content { flex: 1; min-width: 0; }
.sidebar-item-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sidebar-item-content span {
    font-size: 12px;
    color: var(--text-muted);
}
.sidebar-cta {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border: none;
    color: #fff;
    text-align: center;
    padding: 30px 24px;
}
.sidebar-cta h3 {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.2);
}
.sidebar-cta h3 i { color: rgba(255,255,255,0.9); }
.sidebar-cta p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 18px;
    line-height: 1.7;
}
.sidebar-cta .btn {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: none;
}
.sidebar-cta .btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

/* ====== Not Found ====== */
.not-found-box {
    text-align: center;
    padding: 80px 30px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.not-found-box i {
    font-size: 64px;
    color: var(--border);
    margin-bottom: 20px;
}
.not-found-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}
.not-found-box p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ====== Related Section ====== */
.related-section {
    padding: 64px 0;
    background: var(--bg);
}
.section-header {
    text-align: center;
    margin-bottom: 44px;
}
.section-header .section-tag {
    display: inline-block;
    padding: 5px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
.section-header p {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.related-card-img {
    position: relative;
    height: 160px;
    overflow: hidden;
}
.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.related-card:hover .related-card-img img {
    transform: scale(1.06);
}
.related-card-img .card-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255,255,255,0.92);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(6px);
}
.related-card-body {
    padding: 18px 18px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-card-body h3 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}
.related-card:hover .related-card-body h3 {
    color: var(--primary-dark);
}
.related-card-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.related-card-meta i { font-size: 11px; margin-right: 3px; }

/* ====== FAQ Section ====== */
.faq-section {
    padding: 64px 0;
    background: #fff;
}
.faq-container {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    background: #fff;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.faq-item summary {
    padding: 18px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}
.faq-item summary::before {
    content: '';
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
    transition: var(--transition);
}
.faq-item[open] summary::before {
    transform: rotate(180deg);
    background-color: var(--primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='18 15 12 9 6 15'/%3E%3C/svg%3E");
}
.faq-item summary:hover { background: var(--bg); }
.faq-item p {
    padding: 0 22px 20px 60px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ====== CTA Section ====== */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(99,102,241,0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 72px 0;
    text-align: center;
    color: #fff;
}
.cta-section h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.cta-section p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    margin: 0 auto 28px;
    line-height: 1.8;
}
.cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ====== Footer ====== */
.site-footer {
    background: var(--dark-bg);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .site-logo {
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand .site-logo .logo-badge {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 18px;
    max-width: 320px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: var(--transition);
    text-decoration: none;
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}
.footer-col h4 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.footer-col ul li a i {
    font-size: 10px;
    color: var(--accent);
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-col ul li a:hover i {
    transform: translateX(3px);
}
.footer-contact p {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.footer-contact p i {
    color: var(--accent);
    font-size: 14px;
    margin-top: 3px;
}
.footer-bottom {
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    flex-wrap: wrap;
}

/* ====== Mobile & Responsive ====== */
@media (max-width: 1024px) {
    .mega-panel { min-width: 440px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar-card {
        flex: 1;
        min-width: 260px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .header-search {
        display: none;
    }
}
@media (max-width: 820px) {
    .menu-toggle {
        display: block;
        order: 3;
    }
    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        max-height: calc(100vh - 72px);
        overflow-y: auto;
        padding: 16px 24px;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    .main-nav ul li a {
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 15px;
    }
    .has-mega > a::after {
        margin-left: auto;
    }
    .mega-panel {
        position: static;
        transform: none;
        box-shadow: none;
        border-radius: 12px;
        min-width: 0;
        margin: 6px 0 8px 12px;
        padding: 16px;
        opacity: 1;
        visibility: visible;
        border: 1px solid var(--border);
        background: var(--bg);
        display: none;
    }
    .has-mega:hover .mega-panel {
        transform: none;
    }
    .has-mega.mobile-open .mega-panel {
        display: block;
    }
    .mega-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .mega-cta {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-inner {
        padding: 0 16px;
    }
    .article-banner {
        padding: 48px 0 40px;
    }
    .article-banner h1 {
        font-size: 26px;
    }
    .article-main {
        padding: 24px 20px;
    }
    .article-body {
        font-size: 15.5px;
    }
    .article-body h2 {
        font-size: 1.4rem;
    }
    .article-body h3 {
        font-size: 1.2rem;
    }
}
@media (max-width: 600px) {
    .site-header .header-search {
        display: none;
    }
    .site-logo {
        font-size: 18px;
    }
    .logo-badge {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: 8px;
    }
    .header-inner {
        height: 64px;
        gap: 10px;
    }
    .main-nav {
        top: 64px;
    }
    .article-banner h1 {
        font-size: 22px;
    }
    .banner-meta {
        gap: 12px;
        font-size: 13px;
    }
    .article-section {
        padding: 32px 0 40px;
    }
    .article-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .article-main {
        padding: 20px 16px;
        border-radius: 14px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .cta-section {
        padding: 48px 0;
    }
    .cta-section h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .sidebar-card {
        min-width: 100%;
    }
    .not-found-box {
        padding: 48px 20px;
    }
    .btn {
        padding: 10px 22px;
        font-size: 14px;
    }
}

/* roulang page: category3 */
:root {
            --primary: #6C5CE7;
            --primary-dark: #4A3BC0;
            --accent: #FF8A5C;
            --accent-dark: #E86A3A;
            --bg-light: #F7F8FD;
            --bg-dark: #14182B;
            --bg-deep: #0E1120;
            --text-main: #2D3142;
            --text-weak: #6B7186;
            --border: #E4E7F0;
            --white: #ffffff;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 20px 50px rgba(44, 48, 82, .10);
            --shadow-hover: 0 30px 70px rgba(44, 48, 82, .16);
            --transition: all .35s cubic-bezier(.22, .68, 0, 1);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 60px;
            font-weight: 600;
            font-size: .95rem;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            letter-spacing: .3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 92, 231, .28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(108, 92, 231, .38);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 24px rgba(255, 138, 92, .32);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(255, 138, 92, .44);
            color: #fff;
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, .55);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .1);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: .83rem;
            border-radius: 40px;
        }

        .section {
            padding: 100px 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 58px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(108, 92, 231, .1);
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -.6px;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .section-sub {
            font-size: 1.02rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(228, 231, 240, .8);
            box-shadow: 0 4px 20px rgba(0, 0, 0, .03);
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 76px;
            gap: 16px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.22rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: .2px;
            white-space: nowrap;
        }

        .site-logo:hover {
            color: var(--primary);
        }

        .logo-badge {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 10px 22px rgba(108, 92, 231, .3);
        }

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

        .main-nav > ul {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav > ul > li {
            position: relative;
        }

        .main-nav > ul > li > a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 11px 18px;
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            border-radius: 40px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav > ul > li > a i {
            color: var(--primary);
            font-size: .9rem;
        }

        .main-nav > ul > li > a:hover,
        .main-nav > ul > li.active > a {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 92, 231, .3);
        }

        .main-nav > ul > li > a:hover i,
        .main-nav > ul > li.active > a i {
            color: #fff;
        }

        .main-nav > ul > li > a:focus-visible,
        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(108, 92, 231, .5);
            outline-offset: 2px;
        }

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

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-light);
            color: var(--text-main);
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* Mega Menu */
        .has-mega .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            width: 560px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 26px 28px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: var(--transition);
            border: 1px solid var(--border);
            z-index: 99;
        }

        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .mega-col h4 {
            font-size: .78rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1.4px;
            color: var(--text-weak);
            margin-bottom: 12px;
        }

        .mega-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 0;
            font-size: .92rem;
            color: var(--text-main);
            font-weight: 500;
        }

        .mega-col a i {
            color: var(--primary);
            font-size: .75rem;
            transition: var(--transition);
        }

        .mega-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .mega-cta {
            margin-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
        }

        .mega-cta span {
            font-size: .9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(20, 24, 43, .92), rgba(45, 30, 84, .78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 108px 0 90px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 620px;
            height: 180px;
            background: radial-gradient(closest-side, rgba(255, 138, 92, .25), transparent);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 7px 20px;
            border-radius: 40px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
            color: #E8E6FF;
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .page-banner h1 span {
            background: linear-gradient(120deg, #FFB199, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-banner p {
            font-size: 1.05rem;
            max-width: 680px;
            margin: 0 auto;
            color: rgba(255, 255, 255, .8);
            line-height: 1.9;
        }

        .breadcrumb {
            margin-top: 28px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .65);
            display: flex;
            justify-content: center;
            gap: 6px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            border-bottom: 1px dashed rgba(255, 255, 255, .4);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        /* ========== Tag Filter ========== */
        .tag-filter-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 30px 0;
        }

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

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: .86rem;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-weak);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
        }

        .tag:hover {
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
            border-color: rgba(108, 92, 231, .25);
        }

        .tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 8px 18px rgba(108, 92, 231, .3);
        }

        /* ========== News Grid ========== */
        .news-grid-wrap {
            background: var(--bg-light);
            padding: 96px 0 60px;
        }

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

        .news-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 8px 26px rgba(44, 48, 82, .06);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108, 92, 231, .22);
        }

        .news-thumb {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }

        .news-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 58%, rgba(0, 0, 0, .45));
        }

        .news-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: .76rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 30px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
        }

        .news-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            line-height: 1.55;
            margin-bottom: 10px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body h3 a:hover {
            color: var(--primary);
        }

        .news-body p {
            font-size: .9rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: .8rem;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

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

        /* ========== Stats ========== */
        .stats-section {
            background: var(--bg-dark);
            padding: 78px 0;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 12, 24, .94), rgba(52, 34, 92, .82));
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item {
            padding: 32px 16px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, .25);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1;
            letter-spacing: -1px;
            display: block;
            margin-bottom: 10px;
        }

        .stat-num span {
            color: var(--accent);
        }

        .stat-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .7);
            font-weight: 500;
        }

        /* ========== Ranking ========== */
        .ranking-section {
            background: var(--white);
            padding: 100px 0;
        }

        .ranking-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 22px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            margin-bottom: 14px;
        }

        .ranking-item:hover {
            background: #fff;
            box-shadow: var(--shadow);
            transform: translateX(6px);
            border-color: rgba(108, 92, 231, .2);
        }

        .ranking-num {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--border);
            min-width: 46px;
            text-align: center;
            font-style: italic;
            letter-spacing: -1px;
            line-height: 1;
        }

        .ranking-item:nth-child(1) .ranking-num,
        .ranking-item:nth-child(2) .ranking-num,
        .ranking-item:nth-child(3) .ranking-num {
            color: var(--accent);
        }

        .ranking-thumb {
            width: 88px;
            height: 62px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
        }

        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-info h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-info h3 a:hover {
            color: var(--primary);
        }

        .ranking-info p {
            font-size: .82rem;
            color: var(--text-weak);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-tag {
            flex-shrink: 0;
            font-size: .76rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 30px;
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
        }

        /* ========== Timeline ========== */
        .timeline-section {
            background: var(--bg-light);
            padding: 100px 0;
            position: relative;
        }

        .timeline {
            max-width: 780px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 10px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 26px 30px;
            border: 1px solid var(--border);
            box-shadow: 0 8px 24px rgba(44, 48, 82, .05);
            transition: var(--transition);
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -38px;
            top: 32px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(108, 92, 231, .2);
        }

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

        .timeline-date {
            display: inline-block;
            font-size: .78rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(255, 138, 92, .1);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 10px;
        }

        .timeline-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: .9rem;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
            padding: 100px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, .25);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            padding: 22px 28px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
            list-style: none;
        }

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

        .faq-item summary i {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: .75rem;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            margin-left: auto;
            font-size: .8rem;
            color: var(--text-weak);
            transition: var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-body {
            padding: 0 28px 24px 72px;
            font-size: .93rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 18, 36, .93), rgba(72, 42, 130, .86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 90px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2.3rem;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .8);
            max-width: 600px;
            margin: 0 auto 34px;
            line-height: 1.9;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .7);
            padding: 80px 0 0;
            position: relative;
        }

        .site-footer .container {
            max-width: 1280px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            max-width: 340px;
        }

        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .55);
            line-height: 1.85;
            margin: 18px 0 22px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: .9rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, .58);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a i {
            font-size: .72rem;
            color: var(--accent);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-contact p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .58);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--accent);
            width: 20px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0 28px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .35);
        }

        /* ========== Responsive ========== */
        @media screen and (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .section {
                padding: 80px 0;
            }
        }

        @media screen and (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }

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

            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                background: #fff;
                border-radius: var(--radius);
                box-shadow: var(--shadow);
                padding: 18px;
                margin-top: 4px;
            }

            .main-nav.nav-open {
                display: block;
            }

            .main-nav > ul {
                flex-direction: column;
                gap: 8px;
                width: 100%;
            }

            .main-nav > ul > li {
                width: 100%;
            }

            .main-nav > ul > li > a {
                width: 100%;
                justify-content: flex-start;
                border-radius: 12px;
                padding: 13px 16px;
            }

            .has-mega .mega-panel {
                position: static;
                width: 100%;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                background: var(--bg-light);
                border-radius: var(--radius-sm);
                padding: 18px;
                margin-top: 8px;
                display: none;
            }

            .has-mega.open .mega-panel {
                display: block;
            }

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

            .page-banner {
                padding: 80px 0 70px;
            }

            .page-banner h1 {
                font-size: 2.2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: 14px;
            }

            .ranking-thumb {
                width: 100%;
                height: 140px;
            }

            .ranking-tag {
                display: none;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .site-logo span:last-child {
                font-size: 1.05rem;
            }

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

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

            .section-title {
                font-size: 1.75rem;
            }

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

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

            .timeline {
                padding-left: 26px;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-item::before {
                left: -26px;
                width: 10px;
                height: 10px;
            }

            .timeline-item {
                padding: 20px;
            }

            .faq-item summary {
                padding: 18px;
                font-size: .94rem;
            }

            .faq-item .faq-body {
                padding: 0 18px 20px 52px;
            }

            .mega-cta {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .btn {
                padding: 12px 24px;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #818cf8;
            --accent: #f59e0b;
            --accent-dark: #b45309;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --bg-alt: #eef2ff;
            --bg-dark: #1e1b4b;
            --text: #1e293b;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --radius: 20px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.14);
            --shadow-primary: 0 8px 28px rgba(79, 70, 229, 0.28);
            --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;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            background: none;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        /* ============ Container ============ */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border-radius: 50px;
            text-decoration: none;
            white-space: nowrap;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(79, 70, 229, 0.35);
            outline-offset: 3px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(79, 70, 229, 0.38);
            color: var(--white);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 18px rgba(79, 70, 229, 0.3);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.4);
            color: var(--white);
        }

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

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--white);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            color: var(--white);
            transform: translateY(-2px);
        }

        .btn-light {
            background: var(--white);
            color: var(--primary);
        }

        .btn-light:hover {
            background: var(--bg-alt);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            color: var(--primary-dark);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 42px;
            font-size: 17px;
        }

        .btn-block {
            width: 100%;
        }

        /* ============ 徽章 ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-dark);
        }

        .badge-success {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ============ Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
        }

        .site-header .container {
            max-width: 1280px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--text);
        }

        .logo-badge {
            width: 40px;
            height: 40px;
            min-width: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            box-shadow: 0 6px 14px rgba(79, 70, 229, 0.3);
        }

        /* ============ 主导航 ============ */
        .main-nav {
            display: flex;
            align-items: center;
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .main-nav > ul > li {
            position: relative;
        }

        .main-nav > ul > li > a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text);
            border-radius: 10px;
            text-decoration: none;
            transition: var(--transition);
        }

        .main-nav > ul > li > a i {
            font-size: 14px;
            opacity: 0.7;
        }

        .main-nav > ul > li > a:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.07);
        }

        .main-nav > ul > li > a.active {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.1);
            font-weight: 700;
        }

        .main-nav > ul > li > a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        /* ============ Mega Menu ============ */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 24px;
            min-width: 440px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.28s ease;
            z-index: 1200;
            pointer-events: none;
        }

        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
            pointer-events: auto;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 32px;
        }

        .mega-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .mega-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--text);
            text-decoration: none;
            border-radius: 8px;
            transition: var(--transition);
            font-weight: 500;
        }

        .mega-col a i {
            font-size: 12px;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .mega-col a:hover {
            background: var(--bg-alt);
            color: var(--primary);
            padding-left: 14px;
        }

        .mega-col a:hover i {
            color: var(--primary);
        }

        .mega-cta {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .mega-cta span {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
        }

        /* ============ Header Nav Actions ============ */
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: var(--white);
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: var(--white);
        }

        /* ============ 移动端导航开关 ============ */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background: var(--bg-alt);
            border-radius: 10px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .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);
        }

        /* ============ Page Hero ============ */
        .page-hero {
            position: relative;
            background: linear-gradient(120deg, rgba(30, 27, 75, 0.96) 0%, rgba(79, 70, 229, 0.9) 55%, rgba(129, 140, 248, 0.82) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 100px 0 90px;
            color: var(--white);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

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

        .hero-breadcrumb i {
            font-size: 11px;
            opacity: 0.6;
        }

        .hero-content {
            max-width: 720px;
        }

        .hero-content .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 span {
            background: linear-gradient(90deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 32px;
        }

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

        .hero-stats {
            display: flex;
            gap: 34px;
            margin-top: 44px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat strong {
            display: block;
            font-size: 30px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
            display: block;
        }

        /* ============ 板块间距 ============ */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-white {
            background: var(--white);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--white);
        }

        /* ============ Section Head ============ */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-head .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-head .section-tag-accent {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-dark);
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .section-head.light h2 {
            color: var(--white);
        }

        .section-head.light p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 游戏标签 ============ */
        .game-tags {
            padding: 28px 0;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 10;
            box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
        }

        .tags-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tags-list .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background: var(--bg);
            color: var(--text-light);
            font-size: 14px;
            font-weight: 500;
            border-radius: 40px;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .tags-list .tag i {
            font-size: 12px;
            opacity: 0.7;
        }

        .tags-list .tag:hover {
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            border-color: rgba(79, 70, 229, 0.2);
        }

        .tags-list .tag.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
        }

        /* ============ 游戏卡片 ============ */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .game-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.25);
        }

        .game-card .card-media {
            position: relative;
            padding-top: 62%;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .game-card .card-media img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .game-card:hover .card-media img {
            transform: scale(1.08);
        }

        .game-card .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.25) 0%, transparent 40%);
        }

        .game-card .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 3;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--white);
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }

        .game-card .card-rating {
            position: absolute;
            bottom: 14px;
            right: 14px;
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            background: rgba(15, 23, 42, 0.65);
            color: var(--accent-light);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            backdrop-filter: blur(6px);
        }

        .game-card .card-rating i {
            font-size: 11px;
        }

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

        .game-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .game-card .card-body p {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .game-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            margin-top: auto;
        }

        .game-card .card-meta .plays {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .game-card .card-meta .plays i {
            font-size: 12px;
            color: var(--primary-light);
        }

        .game-card .card-meta .play-btn {
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 30px;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
            transition: var(--transition);
        }

        .game-card .card-meta .play-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
            color: var(--white);
        }

        /* ============ 攻略技巧 ============ */
        .strategy-section {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .strategy-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 22px;
            border: 1px solid var(--border);
            text-align: left;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: var(--transition);
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }

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

        .strategy-card .step-num {
            display: inline-flex;
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-light);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 18px;
            font-family: "Courier New", monospace;
            letter-spacing: -1px;
        }

        .strategy-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

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

        /* ============ 游戏分类 ============ */
        .types-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .type-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }

        .type-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .type-card .type-media {
            position: relative;
            height: 170px;
            overflow: hidden;
        }

        .type-card .type-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .type-card:hover .type-media img {
            transform: scale(1.1);
        }

        .type-card .type-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 20%, rgba(15, 23, 42, 0.5) 100%);
        }

        .type-card .type-icon {
            position: absolute;
            bottom: -24px;
            left: 50%;
            transform: translateX(-50%);
            width: 54px;
            height: 54px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            box-shadow: 0 8px 18px rgba(79, 70, 229, 0.3);
            z-index: 2;
            border: 4px solid var(--white);
            transition: var(--transition);
        }

        .type-card:hover .type-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            transform: translateX(-50%) rotate(-8deg) scale(1.08);
        }

        .type-card .type-body {
            padding: 32px 22px 24px;
            text-align: center;
        }

        .type-card .type-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .type-card .type-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ============ 玩家评论 ============ */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .review-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .review-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.2);
        }

        .review-card .quote-icon {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 48px;
            color: rgba(79, 70, 229, 0.08);
        }

        .review-card .review-stars {
            display: flex;
            gap: 3px;
            color: var(--accent);
            font-size: 13px;
            margin-bottom: 16px;
        }

        .review-card .review-content {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .review-card .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
        }

        .review-card .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .review-card .review-user .user-info {
            flex: 1;
        }

        .review-card .review-user .user-info strong {
            font-size: 15px;
            color: var(--text);
            display: block;
        }

        .review-card .review-user .user-info span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .review-card .review-user .rating-num {
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
        }

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

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--white);
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(79, 70, 229, 0.2);
            box-shadow: var(--shadow);
        }

        .faq-item.open {
            border-color: rgba(79, 70, 229, 0.3);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .faq-item.open .faq-question {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            min-width: 32px;
            background: var(--bg-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            position: relative;
            background: linear-gradient(120deg, rgba(30, 27, 75, 0.95) 0%, rgba(79, 70, 229, 0.9) 60%, rgba(129, 140, 248, 0.8) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0;
            color: var(--white);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-section .cta-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 20px;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 32px;
        }

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

        /* ============ Footer ============ */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 0;
            font-size: 14px;
            line-height: 1.9;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .site-logo {
            color: var(--white);
            margin-bottom: 18px;
            display: inline-flex;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.85;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col ul li a i {
            font-size: 11px;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 5px;
        }

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

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

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

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

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .container {
                max-width: 100%;
                padding: 0 20px;
            }

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

            .strategy-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

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

            .mega-panel {
                min-width: 360px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

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

            .page-hero {
                padding: 72px 0 64px;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 99;
                flex-direction: column;
                align-items: stretch;
            }

            .main-nav.open {
                max-height: 80vh;
                overflow-y: auto;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px;
            }

            .main-nav > ul > li > a {
                justify-content: space-between;
                padding: 14px 16px;
            }

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

            .mega-panel {
                position: static;
                transform: none;
                min-width: 0;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                border-left: 3px solid rgba(79, 70, 229, 0.2);
                border-radius: 0;
                background: var(--bg-alt);
                margin: 0 12px 12px;
                padding: 16px;
                display: none;
            }

            .has-mega.open .mega-panel,
            .main-nav.open .has-mega .mega-panel {
                display: block;
                transform: none;
            }

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

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

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

            .hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }

            .hero-stat strong {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

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

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

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

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

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

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

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

            .section-head p {
                font-size: 14px;
            }

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

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

            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }

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

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

        /* ============ 辅助 ============ */
        .text-center {
            text-align: center;
        }

        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 20px; }
        .mt-3 { margin-top: 32px; }
        .mt-4 { margin-top: 48px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 20px; }
        .mb-3 { margin-bottom: 32px; }
        .mb-4 { margin-bottom: 48px; }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }