/* ============================================
   开云体育 - 原创样式表
   品牌色系：深邃夜蓝 + 赛博红 + 科技蓝
   ============================================ */

/* CSS变量定义 */
:root {
    --color-primary: #e94560;
    --color-primary-dark: #c73a52;
    --color-secondary: #0f3460;
    --color-accent: #533483;
    --color-bg-dark: #0a0a1a;
    --color-bg-section: #0e0e24;
    --color-bg-card: #141432;
    --color-bg-card-hover: #1a1a3e;
    --color-text: #e8e8f0;
    --color-text-muted: #9a9ab0;
    --color-text-heading: #ffffff;
    --color-border: #2a2a4a;
    --color-success: #2ecc71;
    --color-warning: #f39c12;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 30px rgba(233,69,96,0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* 重置与基础 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-main);
    background: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #ff6b81; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 头部导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10,10,26,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo-wrap a { display: flex; align-items: center; }
.site-logo { height: 40px; width: auto; }
.nav-list { display: flex; gap: 4px; }
.nav-item a {
    display: block;
    padding: 8px 14px;
    color: var(--color-text);
    font-size: 14px;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-item a:hover, .nav-item.active a {
    color: var(--color-primary);
    background: rgba(233,69,96,0.1);
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* 搜索框 */
.search-bar {
    background: rgba(14,14,36,0.9);
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}
.search-form { display: flex; max-width: 600px; margin: 0 auto; }
.search-input {
    flex: 1;
    padding: 10px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    color: var(--color-text);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}
.search-input:focus { border-color: var(--color-primary); }
.search-input::placeholder { color: var(--color-text-muted); }
.search-btn {
    padding: 10px 24px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}
.search-btn:hover { background: var(--color-primary-dark); }

/* 面包屑 */
.breadcrumb {
    padding: 12px 0;
    font-size: 13px;
    color: var(--color-text-muted);
    background: var(--color-bg-section);
    border-bottom: 1px solid var(--color-border);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* Banner */
.hero-banner {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,10,26,0.85) 0%, rgba(15,52,96,0.7) 50%, rgba(83,52,131,0.6) 100%);
}
.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
}
.banner-content h1 {
    font-size: 2.4rem;
    color: var(--color-text-heading);
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.banner-desc {
    font-size: 1.05rem;
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.8;
}
.banner-btns { display: flex; gap: 16px; justify-content: center; margin-bottom: 40px; }
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border: none;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233,69,96,0.4);
    color: #fff;
}
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-sm { padding: 8px 20px; font-size: 13px; }
.banner-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 1.8rem; font-weight: 700; color: var(--color-primary); }
.stat-label { font-size: 13px; color: var(--color-text-muted); }

/* 通用Section */
.section { padding: 60px 0; }
.section:nth-child(even) { background: var(--color-bg-section); }
.section-title {
    text-align: center;
    font-size: 1.8rem;
    color: var(--color-text-heading);
    margin-bottom: 12px;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 12px auto 0;
    border-radius: 2px;
}
.section-desc {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 15px;
}
.section-more { text-align: center; margin-top: 30px; }

/* 游戏传媒网格 */
.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.media-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(233,69,96,0.3);
}
.media-icon { font-size: 2.2rem; margin-bottom: 16px; }
.media-card h3 {
    font-size: 1.1rem;
    color: var(--color-text-heading);
    margin-bottom: 10px;
}
.media-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 12px; }
.tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(233,69,96,0.1);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 12px;
    margin-right: 6px;
    margin-bottom: 4px;
}

/* 视频卡片网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.video-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.video-thumb {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    cursor: pointer;
}
.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(233,69,96,0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 3;
}
.video-card:hover .play-btn { opacity: 1; }
.play-icon { color: #fff; font-size: 20px; margin-left: 3px; }
.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 2;
}
.video-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--color-primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 2;
}
.video-info { padding: 16px; }
.video-info h3 {
    font-size: 15px;
    color: var(--color-text-heading);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-meta { font-size: 13px; color: var(--color-text-muted); margin-bottom: 8px; }
.video-tags { margin-top: 6px; }

/* H5 Video元素与Poster */
.video-element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    display: none;
}
.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform 0.4s ease;
}
.video-card:hover .video-poster { transform: scale(1.05); }
.video-author { font-weight: 600; color: var(--color-text); }
.video-info h3 a {
    color: var(--color-text-heading);
    text-decoration: none;
    transition: var(--transition);
}
.video-info h3 a:hover { color: var(--color-primary); }

/* 娱乐专区 */
.ent-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}
.ent-large { grid-column: span 2; grid-row: span 2; }
.ent-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 200px;
    cursor: pointer;
    transition: var(--transition);
}
.ent-large { min-height: 420px; }
.ent-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.ent-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}
.ent-card:hover .ent-bg { transform: scale(1.05); }
.ent-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,26,0.9) 0%, rgba(10,10,26,0.3) 100%);
}
.ent-content {
    position: relative;
    z-index: 2;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
}
.ent-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 8px;
    width: fit-content;
}
.ent-content h3 { font-size: 1.1rem; color: #fff; margin-bottom: 6px; }
.ent-content p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* AI赋能 */
.ai-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.ai-image { border-radius: var(--radius-lg); overflow: hidden; }
.ai-image img { width: 100%; border-radius: var(--radius-lg); }
.ai-feature {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    transition: var(--transition);
}
.ai-feature:hover { border-color: rgba(233,69,96,0.3); }
.ai-feature h3 { font-size: 1.05rem; color: var(--color-text-heading); margin-bottom: 8px; }
.ai-feature p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 8px; }

/* 社区 */
.community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.community-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.community-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.community-card img { width: 100%; height: 200px; object-fit: cover; }
.community-info { padding: 20px; }
.community-info h3 { font-size: 1.1rem; color: var(--color-text-heading); margin-bottom: 8px; }
.community-info p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 12px; }
.community-stats { display: flex; gap: 16px; font-size: 13px; color: var(--color-primary); }
.community-topics { margin-top: 40px; text-align: center; }
.community-topics h3 { font-size: 1.2rem; color: var(--color-text-heading); margin-bottom: 16px; }
.topic-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.topic-tag {
    display: inline-block;
    padding: 8px 18px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-text);
    font-size: 14px;
    transition: var(--transition);
}
.topic-tag:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* 专家 */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.expert-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    overflow: hidden;
    transition: var(--transition);
}
.expert-card:hover { box-shadow: var(--shadow-hover); }
.expert-card img { width: 160px; height: auto; object-fit: cover; flex-shrink: 0; }
.expert-info { padding: 20px; flex: 1; }
.expert-info h3 { font-size: 1.15rem; color: var(--color-text-heading); margin-bottom: 4px; }
.expert-title { font-size: 14px; color: var(--color-primary); margin-bottom: 8px; }
.expert-desc { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 10px; }
.expert-awards { margin-bottom: 6px; }
.expert-awards span {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(243,156,18,0.15);
    color: var(--color-warning);
    border-radius: 4px;
    font-size: 12px;
    margin-right: 6px;
}
.expert-social { font-size: 12px; color: var(--color-text-muted); margin-bottom: 10px; }
.expert-actions { display: flex; gap: 8px; }

/* 合作 */
.coop-content { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.howto-steps { display: grid; gap: 20px; }
.step {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    padding-left: 80px;
}
.step-num {
    position: absolute;
    left: 20px;
    top: 24px;
    font-size: 2rem;
    font-weight: 800;
    color: rgba(233,69,96,0.2);
}
.step h4 { font-size: 1rem; color: var(--color-text-heading); margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--color-text-muted); }
.coop-brands h3 { font-size: 1.2rem; color: var(--color-text-heading); margin-bottom: 20px; }
.brand-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.brand-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text-muted);
    transition: var(--transition);
}
.brand-item:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-question {
    padding: 18px 24px;
    font-size: 1rem;
    color: var(--color-text-heading);
    cursor: pointer;
    position: relative;
    padding-right: 50px;
    transition: var(--transition);
}
.faq-question::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: var(--transition);
}
.faq-item.active .faq-question::after { content: '-'; }
.faq-item.active .faq-question { color: var(--color-primary); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 18px; font-size: 14px; color: var(--color-text-muted); line-height: 1.7; }

/* 评论 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.review-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-hover); }
.review-stars { color: #f39c12; font-size: 1.1rem; margin-bottom: 12px; }
.review-text { font-size: 14px; color: var(--color-text); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-author { border-top: 1px solid var(--color-border); padding-top: 12px; }
.author-name { display: block; font-size: 14px; color: var(--color-text-heading); font-weight: 600; }
.author-info { font-size: 12px; color: var(--color-text-muted); }

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.contact-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.contact-card h3 { font-size: 1.1rem; color: var(--color-text-heading); margin-bottom: 16px; }
.contact-list { list-style: none; }
.contact-list li { padding: 8px 0; font-size: 14px; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); }
.contact-list li:last-child { border-bottom: none; }
.contact-list li strong { color: var(--color-text); }
.qr-wrap { display: flex; gap: 20px; justify-content: center; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; border-radius: var(--radius); margin-bottom: 8px; }
.qr-item p { font-size: 13px; color: var(--color-text-muted); }

/* 分享 */
.share-section { text-align: center; padding: 40px 0; }
.share-section h3 { font-size: 1.2rem; color: var(--color-text-heading); margin-bottom: 16px; }
.share-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.share-btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--radius);
    color: #fff;
    font-size: 14px;
    transition: var(--transition);
}
.share-btn:hover { transform: translateY(-2px); color: #fff; }
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #161823; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; }
.share-qq { background: #12b7f5; }

/* 底部 */
.site-footer {
    background: #060612;
    border-top: 1px solid var(--color-border);
    padding-top: 40px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
}
.footer-brand p { font-size: 14px; color: var(--color-text-muted); margin-top: 12px; line-height: 1.6; }
.footer-logo { height: 36px; width: auto; margin-bottom: 8px; }
.footer-links h4, .footer-contact h4 { font-size: 15px; color: var(--color-text-heading); margin-bottom: 12px; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 14px; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.footer-contact p { font-size: 13px; color: var(--color-text-muted); margin-bottom: 6px; }
.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 内页Hero */
.page-hero {
    position: relative;
    padding: 50px 0;
    background: linear-gradient(135deg, var(--color-bg-dark), var(--color-secondary));
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,26,0.8);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
    font-size: 2rem;
    color: var(--color-text-heading);
    margin-bottom: 16px;
    text-align: center;
}
.page-hero-desc {
    font-size: 1rem;
    color: var(--color-text);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 分类卡片 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.category-card {
    display: block;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
}
.category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.category-card img { width: 100%; height: 180px; object-fit: cover; }
.category-card h3 { padding: 12px 16px 4px; font-size: 1rem; color: var(--color-text-heading); }
.category-card p { padding: 0 16px 16px; font-size: 13px; color: var(--color-text-muted); }

/* 工具卡片 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.tool-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.tool-icon { font-size: 2rem; margin-bottom: 12px; }
.tool-card h3 { font-size: 1.1rem; color: var(--color-text-heading); margin-bottom: 8px; }
.tool-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 10px; }

/* 计划卡片 */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.plan-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}
.plan-card:hover { transform: translateY(-3px); }
.plan-featured { border-color: var(--color-primary); position: relative; }
.plan-featured::before {
    content: '推荐';
    position: absolute;
    top: -1px;
    right: 20px;
    background: var(--color-primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 0 0 6px 6px;
    font-size: 12px;
}
.plan-card h3 { font-size: 1.2rem; color: var(--color-text-heading); margin-bottom: 8px; }
.plan-card > p { font-size: 14px; color: var(--color-text-muted); margin-bottom: 16px; }
.plan-card ul { text-align: left; }
.plan-card li { padding: 8px 0; font-size: 14px; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); }
.plan-card li:last-child { border-bottom: none; }
.plan-card li::before { content: '✓ '; color: var(--color-success); }

/* 攻略卡片 */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.guide-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}
.guide-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.guide-card h3 { font-size: 1.05rem; color: var(--color-text-heading); margin-bottom: 10px; }
.guide-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 10px; }

/* 话题列表 */
.topic-list { max-width: 800px; margin: 0 auto; }
.topic-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 12px;
    transition: var(--transition);
}
.topic-item:hover { border-color: rgba(233,69,96,0.3); }
.topic-hot {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 8px;
}
.topic-item h3 { font-size: 1.05rem; color: var(--color-text-heading); margin-bottom: 6px; }
.topic-item p { font-size: 14px; color: var(--color-text-muted); margin-bottom: 8px; }
.topic-meta { font-size: 13px; color: var(--color-primary); }

/* 时间线 */
.timeline { max-width: 700px; margin: 0 auto; position: relative; padding-left: 40px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}
.timeline-item {
    position: relative;
    padding-bottom: 30px;
    padding-left: 20px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-bg-dark);
}
.timeline-year {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(233,69,96,0.15);
    color: var(--color-primary);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}
.timeline-item h3 { font-size: 1.05rem; color: var(--color-text-heading); margin-bottom: 4px; }
.timeline-item p { font-size: 14px; color: var(--color-text-muted); }

/* 关于页面统计 */
.about-content { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.about-text p { font-size: 15px; color: var(--color-text); line-height: 1.8; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
}
.stat-card .stat-num { font-size: 1.4rem; }
.stat-card .stat-label { font-size: 13px; }

/* 友情链接 */
.footer-friend-links {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}
.footer-friend-links h4 {
    font-size: 14px;
    color: var(--color-text-heading);
    margin-bottom: 10px;
}
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.friend-links a {
    font-size: 13px;
    color: var(--color-text-muted);
    padding: 4px 12px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: var(--transition);
}
.friend-links a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 社区规则 */
.rules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.rule-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.rule-card:hover {
    border-color: rgba(233,69,96,0.3);
    transform: translateY(-3px);
}
.rule-card .rule-icon { font-size: 2rem; margin-bottom: 12px; }
.rule-card h3 { font-size: 1.05rem; color: var(--color-text-heading); margin-bottom: 8px; }
.rule-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.6; }

/* 荣誉资质 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.honor-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.honor-card:hover {
    border-color: rgba(243,156,18,0.4);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.honor-card .honor-icon { font-size: 2.2rem; margin-bottom: 12px; }
.honor-card h3 { font-size: 1rem; color: var(--color-text-heading); margin-bottom: 6px; }
.honor-card p { font-size: 13px; color: var(--color-text-muted); }

/* 响应式 */
@media (max-width: 1024px) {
    .media-grid { grid-template-columns: repeat(2, 1fr); }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .ent-grid { grid-template-columns: repeat(2, 1fr); }
    .ent-large { grid-column: span 2; grid-row: span 1; min-height: 280px; }
    .expert-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .about-content { grid-template-columns: 1fr; }
    .plan-grid { grid-template-columns: 1fr; }
    .guide-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-list { display: none; }
    .mobile-menu-btn { display: flex; }
    .nav-list.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10,10,26,0.98);
        padding: 16px;
        border-bottom: 1px solid var(--color-border);
        z-index: 999;
    }
    .hero-banner { min-height: 400px; }
    .banner-content h1 { font-size: 1.6rem; }
    .banner-stats { gap: 20px; }
    .stat-num { font-size: 1.4rem; }
    .section-title { font-size: 1.4rem; }
    .media-grid { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
    .ent-grid { grid-template-columns: 1fr; }
    .ent-large { grid-column: span 1; min-height: 240px; }
    .ai-showcase { grid-template-columns: 1fr; }
    .community-grid { grid-template-columns: 1fr; }
    .coop-content { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .tool-grid { grid-template-columns: 1fr; }
    .banner-btns { flex-direction: column; align-items: center; }
    .page-hero h1 { font-size: 1.5rem; }
    .expert-card { flex-direction: column; }
    .expert-card img { width: 100%; height: 200px; }
    .about-stats { grid-template-columns: repeat(3, 1fr); }
    .honor-grid { grid-template-columns: repeat(2, 1fr); }
    .rules-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 15px; }
    .banner-content h1 { font-size: 1.3rem; }
    .section { padding: 40px 0; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .brand-wall { grid-template-columns: 1fr; }
    .honor-grid { grid-template-columns: 1fr; }
}