/* ========== 重置样式 ========== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Hiragino Sans GB,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.8;color:#333;background:#f5f5f5;margin-top:0!important;padding-top:0!important;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden;position:fixed;width:100%;height:100%}
a{color:#333;text-decoration:none;transition:color .3s}
a:hover{color:#ff6b6b}
a:focus{outline:2px solid #ff6b6b;outline-offset:2px}
img{max-width:100%;height:auto;vertical-align:middle}
img[alt]{font-size:12px;color:#999}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.4;margin:0}
h1{font-size:24px}
h2{font-size:20px}
h3{font-size:18px}
h4{font-size:16px}
p{margin:0 0 1em}
.container{max-width:1400px;margin:0 auto;padding:0 15px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ========== 头部 ========== */
.site-header{background:#2d2d2d;color:#fff;padding:12px 0;position:sticky;top:0;z-index:100;margin-top:0}
.site-header .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:10px}
.header-left{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo a{color:#ff6b6b;font-size:24px;font-weight:700;display:flex;align-items:center;gap:8px}
.logo h1{font-size:24px;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.logo-img{height:40px;width:auto}

/* ========== PC端导航 ========== */
.main-nav{flex:1;margin:0 30px}
.main-nav[aria-label]{position:relative}
.nav-list{display:flex;gap:25px;justify-content:flex-start}
.nav-list li{position:relative}
.nav-list a{color:#fff;font-size:15px;padding:5px 0;position:relative;display:block;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-list a:hover,.nav-list a[aria-current=page]{color:#ff6b6b}
.nav-list a[aria-current=page]:after{content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;background:#ff6b6b}

/* ========== 移动端菜单按钮 ========== */
.mobile-menu-btn{display:none;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:10px;position:relative;z-index:9999;flex-shrink:0;-webkit-tap-highlight-color:transparent}
.mobile-menu-btn:focus{outline:2px solid #ff6b6b;outline-offset:2px}
.menu-icon,.menu-icon:before,.menu-icon:after{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s ease}
.menu-icon{position:relative}
.menu-icon:before,.menu-icon:after{content:'';position:absolute;left:0}
.menu-icon:before{top:-7px}
.menu-icon:after{top:7px}
.mobile-menu-btn.active .menu-icon{background:transparent}
.mobile-menu-btn.active .menu-icon:before{transform:rotate(45deg);top:0}
.mobile-menu-btn.active .menu-icon:after{transform:rotate(-45deg);top:0}

/* ========== 移动端导航菜单 ========== */
.mobile-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100%;max-height:100vh;background:#2d2d2d;z-index:9998;transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding-top:0;padding-bottom:20px;will-change:transform;box-shadow:4px 0 20px rgba(0,0,0,.3)}
.mobile-nav.active{transform:translateX(0)}
.mobile-nav-header{padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.1);background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 100%)}
.mobile-nav-title{font-size:18px;font-weight:600;color:#fff;display:block}
.nav-icon{margin-right:12px;font-size:18px;display:inline-block;width:24px;text-align:center}
.mobile-nav-list{padding:10px 0}
.mobile-nav-list li{border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-nav-list li:last-child{border-bottom:none}
.mobile-nav-list a{display:flex;align-items:center;padding:16px 24px;color:#fff;font-size:15px;font-weight:500;transition:all .3s;-webkit-tap-highlight-color:transparent;letter-spacing:.5px}
.mobile-nav-list a:hover,.mobile-nav-list a:active{background:rgba(255,107,107,.2);color:#ff6b6b}
.mobile-nav-list a[aria-current=page]{background:rgba(255,107,107,.15);color:#ff6b6b;border-left:4px solid #ff6b6b;padding-left:20px}
/* 移动端导航关闭按钮*/
.mobile-nav-header{display:flex;justify-content:space-between;align-items:center}
.mobile-nav-close{width:32px;height:32px;border:none;background:rgba(255,255,255,0.2);border-radius:50%;color:#fff;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;-webkit-tap-highlight-color:transparent;padding:0;margin:0}
.mobile-nav-close:hover,.mobile-nav-close:active{background:rgba(255,255,255,0.3);transform:rotate(90deg)}

/* ========== 遮罩层 ========== */
.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background:rgba(0,0,0,.6);z-index:9997;opacity:0;transition:opacity .3s;-webkit-tap-highlight-color:transparent;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.mobile-overlay.active{display:block;opacity:1}

/* ========== 头部右侧 ========== */
.header-right{display:flex;align-items:center;gap:15px;flex-shrink:0}
.header-info{font-size:12px;color:#aaa}
.header-info time{color:#ccc}

/* ========== 搜索 ========== */
.search-icon{cursor:pointer;padding:8px;color:#fff;transition:opacity .3s;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;-webkit-tap-highlight-color:transparent}
.search-icon:hover{opacity:.8;background:rgba(255,255,255,.1)}
.search-icon:focus{outline:2px solid #ff6b6b}
.search-icon svg{display:block}
.search-box{position:absolute;top:100%;right:15px;left:15px;background:#fff;padding:12px;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.15);display:none;z-index:9996;max-width:400px;margin-left:auto}
.search-box.active{display:flex;align-items:center;gap:8px}
.search-form{display:flex;flex:1}
.search-form[role=search]{position:relative}
.search-input{flex:1;padding:10px 12px;border:1px solid #ddd;border-radius:4px 0 0 4px;font-size:14px;outline:none;min-width:0}
.search-input:focus{border-color:#ff6b6b;box-shadow:0 0 0 3px rgba(255,107,107,.1)}
.search-btn{padding:10px 18px;background:#ff6b6b;color:#fff;border:none;border-radius:0 4px 4px 0;cursor:pointer;font-size:14px;flex-shrink:0}
.search-btn:hover{background:#ff5252}
.search-btn:focus{outline:2px solid #333;outline-offset:2px}
.search-close{font-size:24px;color:#999;cursor:pointer;padding:0 5px;line-height:1;background:transparent;border:none;flex-shrink:0}
.search-close:hover{color:#333}
.search-close:focus{outline:2px solid #ff6b6b}

/* ========== 主内容区 ========== */
.main-content{padding:20px 0;position:relative;z-index:1}
.main-content[role=main]{min-height:60vh}

/* ========== 面包屑 ========== */
.breadcrumb{padding:15px 0;font-size:13px}
.breadcrumb[aria-label]{position:relative}
.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap}
.breadcrumb-list[itemscope]{position:relative}
.breadcrumb a{color:#666;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
.breadcrumb a:hover{color:#ff6b6b}
.breadcrumb .separator{margin:0 8px;color:#999;user-select:none}
.breadcrumb .current{color:#999;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}

/* ========== 区块 ========== */
.section-block{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.05);position:relative;z-index:1}
article.section-block{position:relative}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid #f0f0f0}
.section-header h2{font-size:18px;font-weight:600;color:#333;display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}
.section-header h2:before{content:'';width:4px;height:18px;background:#ff6b6b;border-radius:2px;flex-shrink:0}
.section-header h3{font-size:16px;font-weight:600;color:#333}
.section-meta{font-size:13px;color:#999;flex-shrink:0;display:flex;align-items:center;gap:12px}
.more-link{color:#ff6b6b;font-size:13px;display:inline-flex;align-items:center;gap:4px}
.more-link:hover{text-decoration:underline}
.more-link:after{content:'→';font-size:12px}

/* ========== 视频网格 ========== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-grid-wide{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-grid[role=list]{position:relative}

/* ========== 视频卡片 ========== */
.video-card,.video-card-wide{background:#fff;border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s;box-shadow:0 2px 12px rgba(0,0,0,.08);position:relative;z-index:1}
.video-card:hover,.video-card-wide:hover{transform:translateY(-6px);box-shadow:0 15px 35px rgba(0,0,0,.15)}
.video-card article,.video-card-wide article{height:100%}

/* ========== 卡片缩略图 ========== */
.card-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#f0f0f0}
.card-thumb a{position:absolute;top:0;left:0;width:100%;height:100%;display:block}
.card-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card-thumb img:not([alt]){border:2px dashed #ff6b6b}
.video-card:hover .card-thumb img,.video-card-wide:hover .card-thumb img{transform:scale(1.05)}

/* ========== 播放按钮 - 小号 ========== */
.play-btn-sm{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:55px;height:55px;background:rgba(255,107,107,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:2}
.play-btn-sm:before{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 16px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn-sm,.video-card-wide:hover .play-btn-sm{opacity:1}

/* ========== 卡片角标 ========== */
.badge-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.75);color:#fff;padding:4px 10px;border-radius:4px;font-size:12px;z-index:3}
.badge-duration time{color:inherit}
.badge-quality{position:absolute;top:10px;left:10px;background:#ff6b6b;color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;z-index:3}
.badge-hot{position:absolute;top:10px;left:10px;background:#ff4757;color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;z-index:3}
.badge-new{position:absolute;top:10px;left:10px;background:#2ed573;color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;z-index:3}
.badge-top{position:absolute;top:10px;left:10px;background:#3ed373;color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;z-index:3}

/* ========== 卡片内容 ========== */
.card-body{padding:14px 16px}

/* ========== 卡片标题 ========== */
.card-title{font-size:15px;font-weight:500;color:#333;line-height:1.4;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.card-title a{color:inherit;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-title a:hover{color:#ff6b6b}
h3.card-title{font-size:15px}

/* ========== 卡片元信息 ========== */
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#999;gap:8px}
.meta-tag{background:#f5f5f5;padding:4px 10px;border-radius:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:50%}
.meta-tag a{color:#666;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta-tag a:hover{color:#ff6b6b}
.meta-views{color:#999;flex-shrink:0;white-space:nowrap;text-align:right}
.meta-date{color:#999;flex-shrink:0;white-space:nowrap}
.meta-date time{color:inherit}
.video-count{font-size:13px;color:#666}
.video-count em{color:#ff6b6b;font-style:normal;font-weight:600}
.sort-info{color:#999;font-size:12px}

/* ========== 播放器区域 ========== */
.player-section{margin-bottom:20px;position:relative;z-index:1}
.player-wrapper{background:#000;border-radius:8px;overflow:hidden}
.player-container{position:relative;padding-top:56.25%;background:#000}
.player-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}
.player-container iframe[title]{position:absolute}
.player-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;cursor:pointer;display:flex;align-items:center;justify-content:center}
.player-poster{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}

/* ========== 播放按钮 - 大号 ========== */
.play-btn-large{position:relative;z-index:2;background:rgba(255,107,107,.9);border:none;border-radius:50%;width:80px;height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s,background .3s}
.play-btn-large:hover{transform:scale(1.1);background:#ff6b6b}
.play-btn-large:focus{outline:3px solid #fff;outline-offset:3px}
.play-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;margin-bottom:2px}
.play-icon:before{content:'';display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff}
.play-text{color:#fff;font-size:12px}
.player-tips{padding:12px 15px;background:#1a1a1a;color:#aaa;font-size:12px;text-align:center}
.player-tips a{color:#ff6b6b}

/* ========== 视频信息 ========== */
.video-info-section{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;position:relative;z-index:1}
.video-info-section[itemscope]{position:relative}
.video-info-main{margin-bottom:15px}
.video-title{font-size:20px;font-weight:600;color:#333;margin-bottom:12px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
h1.video-title{font-size:22px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.video-meta-row{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:12px;font-size:13px}
.meta-item{color:#666;display:flex;align-items:center;gap:5px;max-width:100%}
.meta-label{color:#999;flex-shrink:0}
.meta-item time{color:#666}
.meta-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta-item a{color:#ff6b6b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px;display:inline-block}
.meta-item a:hover{text-decoration:underline}

/* ========== 视频标签 ========== */
.video-tags{display:flex;flex-wrap:wrap;gap:8px}
.video-tag{background:#f5f5f5;color:#666;padding:6px 14px;border-radius:15px;font-size:12px;transition:all .3s;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-tag:hover{background:#ff6b6b;color:#fff}
.video-tag[rel=tag]{position:relative}

/* ========== 视频简介 ========== */
.video-desc-box{padding-top:15px;border-top:1px solid #f0f0f0}
.desc-title{font-size:15px;font-weight:600;margin-bottom:10px;color:#333}
.video-desc{color:#666;font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.video-desc p{margin-bottom:.8em}
.video-desc p:last-child{margin-bottom:0}

/* ========== 排行榜 ========== */
.rank-full{background:#fff;border-radius:8px;padding:20px;position:relative;z-index:1}
.rank-grid-inline{display:block}
.rank-list-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.rank-list-row[role=list]{position:relative}
.rank-item{display:flex;align-items:center;padding:10px 12px;background:#fafafa;border-radius:6px;transition:background .3s;overflow:hidden;min-width:0}
.rank-item:hover{background:#fff5f5}
.rank-item.top{background:#fff8f8}
.rank-item.top .rank-num{background:#ff6b6b;color:#fff}
.rank-num{width:24px;height:24px;background:#ddd;color:#666;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-right:10px;flex-shrink:0}
.rank-item a{flex:1;font-size:13px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.rank-item a:hover{color:#ff6b6b}
.rank-item .heat{font-size:11px;color:#ff6b6b;margin-left:8px;flex-shrink:0}

/* ========== 标签云 ========== */
.tag-cloud-wrap{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud-wrap[role=navigation]{position:relative}
.tag-link{background:#f5f5f5;color:#666;padding:8px 16px;border-radius:20px;font-size:13px;transition:all .3s;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block}
.tag-link:hover,.tag-link.hot{background:#ff6b6b;color:#fff}
.tag-link[rel=tag]{position:relative}

/* ========== 友情链接 ========== */
.friend-links-wrap{display:flex;flex-wrap:wrap;gap:12px}
.friend-links-wrap a{color:#666;font-size:13px;padding:6px 14px;background:#f9f9f9;border-radius:4px;transition:all .3s;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block}
.friend-links-wrap a:hover{background:#ff6b6b;color:#fff}
.friend-links-wrap a[rel="nofollow noopener"]{position:relative}

/* ========== 分页导航 ========== */
.pagination-wrap{margin-top:30px;padding-top:20px;border-top:1px solid #f0f0f0}
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin:0;padding:0;flex-wrap:wrap;list-style:none}
.pagination li{display:inline-block}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:6px;font-size:14px;font-weight:500;transition:all .3s ease;text-decoration:none}
.pagination a{background:#fff;color:#333;border:1px solid #e0e0e0}
.pagination a:hover{background:#ff6b6b;color:#fff;border-color:#ff6b6b;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,107,107,.3)}
.pagination a:focus{outline:2px solid #ff6b6b;outline-offset:2px}
.pagination .current{background:#ff6b6b;color:#fff;border:1px solid #ff6b6b;cursor:default}
.pagination .ellipsis{background:transparent;border:none;color:#999;cursor:default;min-width:30px}
.pagination .prev,.pagination .next{padding:0 18px;font-weight:600}
.pagination .disabled{background:#f5f5f5;color:#ccc;cursor:not-allowed;border:1px solid #eee;pointer-events:none}
.pagination[aria-label]{position:relative}

/* ========== 底部 ========== */
.site-footer{background:#2d2d2d;color:#aaa;padding:25px 0;margin-top:30px;position:relative;z-index:1}
.site-footer[role=contentinfo]{position:relative}
.footer-nav{text-align:center;margin-bottom:15px}
.footer-nav a{color:#ccc;margin:0 8px;font-size:13px;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
.footer-nav a:hover{color:#ff6b6b}
.footer-nav .sep{color:#555;user-select:none}
.footer-info{text-align:center;font-size:12px;line-height:2}
.footer-info p{margin:0}
.disclaimer{color:#777}
.update-time{color:#666}
.update-time time{color:#888}

/* ========== 加载状态 ========== */
.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#999}
.loading:before{content:'';width:20px;height:20px;border:2px solid #ddd;border-top-color:#ff6b6b;border-radius:50%;margin-right:10px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ========== 空状态 ========== */
.empty-state{text-align:center;padding:60px 20px;color:#999}
.empty-state p{margin-bottom:15px}
.empty-state a{color:#ff6b6b}

/* ========== 错误页 ========== */
.error-page{text-align:center;padding:80px 20px}
.error-page h1{font-size:72px;color:#ff6b6b;margin-bottom:20px}
.error-page p{font-size:16px;color:#666;margin-bottom:30px}
.error-page a{display:inline-block;padding:12px 30px;background:#ff6b6b;color:#fff;border-radius:25px}
.error-page a:hover{background:#ff5252}

/* ========== 无障碍 ========== */
.skip-link{position:absolute;top:-100px;left:0;background:#ff6b6b;color:#fff;padding:10px 20px;z-index:99999;transition:top .3s}
.skip-link:focus{top:0}
:focus-visible{outline:2px solid #ff6b6b;outline-offset:2px}
::selection{background:#ff6b6b;color:#fff}

/* ========== 减少动画 ========== */
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* ========== 打印样式 ========== */
@media print{.site-header,.site-footer,.search-box,.player-section,.mobile-menu-btn,.mobile-nav,.mobile-overlay,.pagination-wrap{display:none!important}.main-content{padding:0}.video-info-section{box-shadow:none;border:1px solid #ddd}}

/* ========== 响应式 - 1200px ========== */
@media(max-width:1200px){
    .video-grid,.video-grid-wide{grid-template-columns:repeat(4,1fr);gap:18px}
    .rank-list-row{grid-template-columns:repeat(4,1fr)}
}

/* ========== 响应式 - 992px ========== */
@media(max-width:992px){
    .video-grid,.video-grid-wide{grid-template-columns:repeat(3,1fr);gap:16px}
    .rank-list-row{grid-template-columns:repeat(3,1fr)}
    .main-nav{display:none}
    .mobile-menu-btn{display:flex;align-items:center;justify-content:center}
    .mobile-nav{display:block}
    .site-header .container{justify-content:space-between;gap:10px}
    .header-info{display:none}
    .header-left{flex:1}
}

/* ========== 响应式 - 768px ========== */
@media(max-width:768px){
    .video-grid,.video-grid-wide{grid-template-columns:repeat(2,1fr);gap:14px}
    .rank-list-row{grid-template-columns:repeat(2,1fr)}
    .section-block{padding:15px;margin-bottom:15px}
    .section-header h2{font-size:16px;max-width:60%}
    .section-meta{gap:8px}
    .video-title{font-size:18px}
    h1.video-title{font-size:20px}
    .video-meta-row{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin-bottom:12px}
    .video-meta-row .meta-item{display:flex;align-items:center;gap:4px;font-size:13px;color:#666;min-width:0}
    .video-meta-row .meta-label{color:#999;flex-shrink:0}
    .video-meta-row .meta-item a,.video-meta-row .meta-item span,.video-meta-row .meta-item time{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
    .video-desc{-webkit-line-clamp:2;line-height:1.7;font-size:13px}
    .desc-title{font-size:14px;margin-bottom:8px}
    .video-tags{gap:6px;margin-top:10px}
    .video-tag{padding:4px 10px;font-size:11px;max-width:100px}
    .video-info-section{padding:15px}
    .video-info-main{margin-bottom:12px}
    .video-desc-box{padding-top:12px}
    .search-box{left:10px;right:10px;max-width:none}
    .header-right{gap:10px}
    .search-icon{padding:6px}
    .play-btn-large{width:60px;height:60px}
    .play-icon{width:22px;height:22px}
    .play-icon:before{border-width:9px 0 9px 15px}
    .play-text{font-size:10px}
    .play-btn-sm{width:48px;height:48px}
    .play-btn-sm:before{border-width:8px 0 8px 13px;margin-left:3px}
    .card-title{font-size:14px}
    .card-body{padding:12px 14px}
    .tag-link{max-width:140px;padding:6px 12px}
    .friend-links-wrap a{max-width:120px}
    .meta-item a{max-width:150px}
    .meta-tag{max-width:45%}
    .mobile-nav{width:260px}
    .mobile-nav-header{padding:18px 20px}
    .mobile-nav-title{font-size:16px}
    .mobile-nav-list a{padding:14px 20px;font-size:14px}
    .nav-icon{margin-right:10px;font-size:16px}
    .logo h1{font-size:18px;max-width:120px}
    /* 分页响应式 */
    .pagination-wrap{margin-top:25px;padding-top:15px}
    .pagination{gap:4px}
    .pagination a,.pagination span{min-width:34px;height:34px;padding:0 10px;font-size:13px}
    .pagination .prev,.pagination .next{padding:0 12px}
}

/* ========== 响应式 - 480px ========== */
@media(max-width:480px){
    .video-grid,.video-grid-wide{grid-template-columns:repeat(2,1fr);gap:10px}
    .rank-list-row{grid-template-columns:1fr}
    .card-title{font-size:13px}
    .card-body{padding:10px 12px}
    .card-meta{font-size:11px;gap:5px}
    .meta-tag{padding:3px 8px}
    .breadcrumb{padding:10px 0}
    .breadcrumb a,.breadcrumb .current{max-width:100px}
    .container{padding:0 10px}
    .video-meta-row{flex-direction:column;gap:8px}
    .play-btn-sm{width:42px;height:42px}
    .play-btn-sm:before{border-width:7px 0 7px 11px;margin-left:2px}
    .tag-link{max-width:110px;font-size:12px}
    .friend-links-wrap a{max-width:100px;font-size:12px}
    .video-tag{max-width:100px}
    .footer-nav a{max-width:80px;margin:0 5px;font-size:12px}
    .section-header h2{max-width:55%;font-size:15px}
    .section-header h2:before{width:3px;height:15px}
    .section-meta{font-size:12px}
    .logo h1{max-width:100px;font-size:16px}
    .meta-tag{max-width:40%}
    .mobile-nav{width:240px}
    .mobile-nav-list a{padding:12px 18px;font-size:13px}
    .mobile-menu-btn{width:40px;height:40px;padding:8px}
    .menu-icon,.menu-icon:before,.menu-icon:after{width:20px}
    .menu-icon:before{top:-6px}
    .menu-icon:after{top:6px}
    .badge-duration{padding:3px 8px;font-size:11px;bottom:8px;right:8px}
    .badge-quality,.badge-hot,.badge-new,.badge-top{padding:3px 8px;font-size:10px;top:8px;left:8px}
    .site-footer{padding:20px 0}
    .footer-info{font-size:11px}
    .header-left{gap:8px}
    .nav-icon{margin-right:8px;font-size:14px;width:20px}
    /* 分页响应式 */
    .pagination{gap:3px}
    .pagination a,.pagination span{min-width:32px;height:32px;padding:0 8px;font-size:12px;border-radius:4px}
    .pagination .prev,.pagination .next{padding:0 10px}
    .pagination .ellipsis{display:none}
}

/* ========== 响应式 - 360px ========== */
@media(max-width:360px){
    .video-grid,.video-grid-wide{gap:8px}
    .section-block{padding:12px;margin-bottom:12px}
    .card-body{padding:8px 10px}
    .card-title{font-size:12px;margin-bottom:6px}
    .card-meta{font-size:10px}
    .mobile-nav{width:220px}
    .mobile-nav-header{padding:14px 16px}
    .mobile-nav-title{font-size:14px}
    .mobile-nav-list a{padding:11px 16px;font-size:12px}
    .logo h1{max-width:80px;font-size:14px}
    .container{padding:0 8px}
    .header-left{gap:6px}
    .video-meta-row{gap:5px 10px}
    .video-meta-row .meta-item{font-size:11px}
    .video-desc{font-size:11px}
    .video-title,h1.video-title{font-size:15px}
    /* 分页响应式 */
    .pagination{gap:2px}
    .pagination a,.pagination span{min-width:28px;height:28px;padding:0 6px;font-size:11px}
    .pagination .prev,.pagination .next{padding:0 8px;font-size:10px}
}