/* 糖心 - 主样式文件 | daotoys.cn */
:root {
  --primary: #e8192c;
  --primary-dark: #b5121f;
  --secondary: #ff6b35;
  --accent: #ffd700;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --dark3: #0f3460;
  --text: #333;
  --text-light: #666;
  --text-muted: #999;
  --bg: #f8f9fa;
  --bg2: #fff;
  --border: #e5e5e5;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,.15);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all .3s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;outline:none;background:none}

/* ===== 顶部栏 ===== */
.top-bar{background:var(--dark);color:#ccc;font-size:12px;padding:6px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center}
.top-bar a{color:#ccc}
.top-bar a:hover{color:var(--accent)}
.top-bar-links{display:flex;gap:16px}

/* ===== 头部 ===== */
.site-header{background:var(--dark2);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.header-main{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:20px}
.logo-wrap{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;color:#fff;letter-spacing:-1px}
.logo-text{display:flex;flex-direction:column}
.logo-name{font-size:22px;font-weight:800;color:#fff;letter-spacing:1px;line-height:1}
.logo-sub{font-size:11px;color:#aaa;letter-spacing:2px;margin-top:2px}

/* ===== 导航 ===== */
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{color:#ddd;font-size:14px;padding:8px 14px;border-radius:6px;transition:var(--transition);white-space:nowrap;font-weight:500}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;transition:var(--transition)}

/* ===== 搜索框 ===== */
.search-bar{background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.08);padding:10px 0}
.search-form{display:flex;max-width:600px;margin:0 auto;background:rgba(255,255,255,.1);border-radius:30px;overflow:hidden;border:1px solid rgba(255,255,255,.15)}
.search-form input{flex:1;background:transparent;border:none;padding:10px 20px;color:#fff;font-size:14px;outline:none}
.search-form input::placeholder{color:rgba(255,255,255,.5)}
.search-form button{background:var(--primary);color:#fff;padding:10px 24px;font-size:14px;border-radius:0 30px 30px 0;transition:var(--transition)}
.search-form button:hover{background:var(--primary-dark)}

/* ===== 容器 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.section{padding:50px 0}
.section-title{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:8px;position:relative;padding-left:16px}
.section-title::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:28px;background:linear-gradient(to bottom,var(--primary),var(--secondary));border-radius:2px}
.section-subtitle{color:var(--text-light);font-size:14px;margin-bottom:30px;padding-left:16px}
.section-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px}
.more-link{color:var(--primary);font-size:13px;display:flex;align-items:center;gap:4px}
.more-link:hover{color:var(--primary-dark)}

/* ===== Hero Banner ===== */
.hero-banner{position:relative;height:480px;overflow:hidden;background:var(--dark)}
.hero-slides{display:flex;height:100%;transition:transform .6s ease}
.hero-slide{min-width:100%;position:relative;overflow:hidden}
.hero-slide img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-content{position:absolute;bottom:0;left:0;right:0;padding:40px;background:linear-gradient(transparent,rgba(0,0,0,.8))}
.hero-tag{display:inline-block;background:var(--primary);color:#fff;font-size:12px;padding:3px 10px;border-radius:4px;margin-bottom:10px}
.hero-title{font-size:32px;font-weight:800;color:#fff;margin-bottom:8px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.hero-desc{color:rgba(255,255,255,.8);font-size:14px;margin-bottom:16px}
.hero-btns{display:flex;gap:12px}
.btn-primary{background:var(--primary);color:#fff;padding:10px 24px;border-radius:6px;font-size:14px;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{border:2px solid rgba(255,255,255,.6);color:#fff;padding:9px 24px;border-radius:6px;font-size:14px;font-weight:600;transition:var(--transition)}
.btn-outline:hover{background:rgba(255,255,255,.15)}
.hero-dots{position:absolute;bottom:16px;right:40px;display:flex;gap:8px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:var(--transition)}
.hero-dot.active{background:#fff;width:24px;border-radius:4px}
.hero-prev,.hero-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.4);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;transition:var(--transition);z-index:10}
.hero-prev{left:16px}
.hero-next{right:16px}
.hero-prev:hover,.hero-next:hover{background:var(--primary)}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#111}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);background:rgba(232,25,44,.9);width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s ease;z-index:5}
.play-btn svg{width:20px;height:20px;fill:#fff;margin-left:3px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;font-size:11px;padding:2px 6px;border-radius:4px}
.video-live-badge{position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}
.video-info{padding:12px}
.video-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted)}
.video-author{display:flex;align-items:center;gap:6px}
.video-avatar{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:700;flex-shrink:0}
.video-stats{display:flex;gap:10px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tag{background:#f0f0f0;color:var(--text-light);font-size:11px;padding:2px 8px;border-radius:12px}

/* ===== 分类导航 ===== */
.cat-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.cat-btn{background:#fff;border:1px solid var(--border);color:var(--text);padding:8px 18px;border-radius:20px;font-size:13px;cursor:pointer;transition:var(--transition)}
.cat-btn:hover,.cat-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== 专家卡片 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);text-align:center}
.expert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.expert-cover{height:180px;overflow:hidden;position:relative}
.expert-cover img{width:100%;height:100%;object-fit:cover}
.expert-body{padding:20px}
.expert-avatar{width:72px;height:72px;border-radius:50%;border:4px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.15);margin:-36px auto 12px;position:relative;overflow:hidden;background:#eee}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-name{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:4px}
.expert-title{color:var(--primary);font-size:13px;margin-bottom:8px}
.expert-desc{color:var(--text-light);font-size:13px;line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.expert-awards{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.award-badge{background:linear-gradient(135deg,#ffd700,#ffa500);color:#fff;font-size:11px;padding:3px 8px;border-radius:12px;font-weight:600}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:7px 16px;border-radius:6px;font-size:13px;font-weight:600;transition:var(--transition)}
.btn-red{background:var(--primary);color:#fff}
.btn-red:hover{background:var(--primary-dark)}
.btn-ghost{border:1px solid var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}

/* ===== 新闻列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:16px}
.news-cat{display:inline-block;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;margin-bottom:8px}
.news-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title:hover{color:var(--primary)}
.news-excerpt{color:var(--text-light);font-size:13px;line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted)}

/* ===== 评论区 ===== */
.reviews-section{background:linear-gradient(135deg,var(--dark),var(--dark2));padding:50px 0}
.reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.review-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:20px;transition:var(--transition)}
.review-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0}
.review-name{font-weight:600;color:#fff;font-size:14px}
.review-date{color:rgba(255,255,255,.4);font-size:12px}
.review-stars{display:flex;gap:2px;margin-bottom:10px}
.star{color:var(--accent);font-size:14px}
.review-text{color:rgba(255,255,255,.75);font-size:13px;line-height:1.7}
.review-likes{margin-top:12px;color:rgba(255,255,255,.4);font-size:12px;display:flex;align-items:center;gap:4px}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{padding:18px 20px;font-size:15px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-q:hover{color:var(--primary)}
.faq-q .arrow{font-size:12px;transition:transform .3s;color:var(--text-muted)}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;color:var(--text-light);font-size:14px;line-height:1.8}
.faq-item.open .faq-a{max-height:200px;padding:0 20px 18px}

/* ===== 合作品牌 ===== */
.partners-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.partner-logo{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 28px;display:flex;align-items:center;justify-content:center;min-width:140px;font-size:14px;font-weight:700;color:var(--text-light);transition:var(--transition)}
.partner-logo:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow)}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info{background:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}
.contact-info h3{font-size:20px;font-weight:700;margin-bottom:20px;color:var(--dark)}
.contact-item{display:flex;gap:14px;margin-bottom:16px;align-items:flex-start}
.contact-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0}
.contact-label{font-size:12px;color:var(--text-muted);margin-bottom:2px}
.contact-value{font-size:14px;font-weight:600;color:var(--text)}
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qr-item{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow)}
.qr-item img{width:120px;height:120px;margin:0 auto 10px;object-fit:contain}
.qr-item p{font-size:13px;color:var(--text-light)}
.qr-item strong{display:block;font-size:14px;color:var(--dark);margin-bottom:4px}

/* ===== 底部 ===== */
.site-footer{background:var(--dark);color:#aaa;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-wrap{margin-bottom:16px}
.footer-brand p{font-size:13px;line-height:1.8;color:#888;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.social-btn{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#aaa;font-size:14px;transition:var(--transition)}
.social-btn:hover{background:var(--primary);color:#fff}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13px;color:#888;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:gap}
.footer-bottom p{font-size:12px;color:#666}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:#666;transition:var(--transition)}
.footer-links a:hover{color:var(--primary)}

/* ===== 面包屑 ===== */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border);padding:10px 0}
.breadcrumb-list{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.breadcrumb-list a{color:var(--text-muted);transition:var(--transition)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list .sep{color:var(--border)}
.breadcrumb-list .current{color:var(--text)}

/* ===== 内页头部 ===== */
.page-hero{background:linear-gradient(135deg,var(--dark),var(--dark3));padding:50px 0;text-align:center;color:#fff}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:12px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.7);max-width:600px;margin:0 auto}

/* ===== 侧边栏 ===== */
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start}
.sidebar{display:flex;flex-direction:column;gap:24px}
.sidebar-widget{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.sidebar-widget h3{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.hot-list li{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.hot-list li:last-child{border:none}
.hot-rank{width:22px;height:22px;border-radius:4px;background:#eee;color:var(--text-muted);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hot-rank.top3{background:var(--primary);color:#fff}
.hot-title{font-size:13px;color:var(--text);line-height:1.4;flex:1}
.hot-title:hover{color:var(--primary)}

/* ===== 分页 ===== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.page-btn{width:36px;height:36px;border-radius:6px;background:#fff;border:1px solid var(--border);color:var(--text);font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}
.page-btn:hover,.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== 用户评论 ===== */
.comment-section{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-top:30px}
.comment-section h3{font-size:17px;font-weight:700;margin-bottom:20px;color:var(--dark)}
.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment-item:last-child{border:none}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;flex-shrink:0}
.comment-body{flex:1}
.comment-header{display:flex;justify-content:space-between;margin-bottom:6px}
.comment-name{font-weight:600;font-size:14px;color:var(--dark)}
.comment-date{font-size:12px;color:var(--text-muted)}
.comment-text{font-size:14px;color:var(--text-light);line-height:1.7}
.comment-actions{display:flex;gap:12px;margin-top:8px;font-size:12px;color:var(--text-muted)}
.comment-actions span{cursor:pointer;transition:var(--transition)}
.comment-actions span:hover{color:var(--primary)}

/* ===== 统计数字 ===== */
.stats-bar{background:linear-gradient(135deg,var(--primary),var(--secondary));padding:30px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{color:#fff}
.stat-num{font-size:36px;font-weight:800;line-height:1}
.stat-label{font-size:13px;opacity:.85;margin-top:6px}

/* ===== 功能特色 ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);transition:var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--secondary));margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.feature-title{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-desc{color:var(--text-light);font-size:14px;line-height:1.7}

/* ===== 分享按钮 ===== */
.share-bar{display:flex;align-items:center;gap:12px;padding:16px 0;border-top:1px solid var(--border);margin-top:20px}
.share-label{font-size:13px;color:var(--text-muted)}
.share-btn{padding:7px 16px;border-radius:6px;font-size:13px;font-weight:600;color:#fff;transition:var(--transition)}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#010101}
.share-bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .content-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .hero-banner{height:300px}
  .hero-title{font-size:22px}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--dark2);flex-direction:column;padding:16px;gap:4px;border-top:1px solid rgba(255,255,255,.1)}
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .qr-grid{grid-template-columns:1fr 1fr}
  .section-title{font-size:20px}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column}
  .stats-grid{grid-template-columns:1fr 1fr}
}

/* ===== 工具类 ===== */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mt-30{margin-top:30px}
.mb-20{margin-bottom:20px}
.hidden{display:none}
.bg-gray{background:var(--bg)}
.bg-dark{background:var(--dark)}

/* ===== 加载动画 ===== */
.lazy{opacity:0;transition:opacity .4s ease}
.lazy.loaded{opacity:1}

/* ===== 滚动条 ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}

/* ===== 标签页 ===== */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:24px}
.tab-btn{padding:10px 20px;font-size:14px;font-weight:600;color:var(--text-light);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition)}
.tab-btn:hover,.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-content{display:none}
.tab-content.active{display:block}

/* ===== 直播标签 ===== */
.live-section{background:linear-gradient(135deg,#1a0a0a,#2d0a0a);padding:40px 0}
.live-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.live-card{border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer;aspect-ratio:9/16;background:#111}
.live-card img{width:100%;height:100%;object-fit:cover;opacity:.8;transition:transform .4s ease}
.live-card:hover img{transform:scale(1.05)}
.live-overlay{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.live-name{color:#fff;font-size:13px;font-weight:600;margin-bottom:4px}
.live-viewers{color:rgba(255,255,255,.7);font-size:11px}
.live-badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:10px;padding:2px 8px;border-radius:4px;font-weight:700;animation:pulse 2s infinite}

/* ===== 视频卡片（内页版） ===== */
.video-thumb-wrap{position:relative;aspect-ratio:16/9;overflow:hidden;background:#111;border-radius:var(--radius) var(--radius) 0 0}
.video-thumb-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb-wrap img{transform:scale(1.06)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);background:rgba(232,25,44,.9);width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s ease;z-index:5}
.video-card:hover .video-play-btn{transform:translate(-50%,-50%) scale(1)}
.video-quality{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.7);color:#ffd700;font-size:10px;padding:2px 6px;border-radius:3px;font-weight:700}
.video-views{font-size:12px;color:var(--text-muted)}

/* ===== 视频筛选 ===== */
.video-filter{display:flex;gap:8px;padding:12px 0;flex-wrap:wrap}
.filter-btn{background:transparent;border:1px solid var(--border);color:var(--text-light);padding:7px 16px;border-radius:20px;font-size:13px;cursor:pointer;transition:var(--transition)}
.filter-btn:hover,.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== SEO文字块 ===== */
.seo-text-block{background:#fff;border-radius:var(--radius);padding:28px;margin-top:40px;box-shadow:var(--shadow)}
.seo-text-block h2{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:12px}
.seo-text-block p{font-size:14px;line-height:1.9;color:var(--text-light);margin-bottom:10px}
.seo-text-block p:last-child{margin-bottom:0}

/* ===== 话题标签 ===== */
.topic-tag{display:inline-block;background:#fff;border:1px solid var(--border);color:var(--text);padding:7px 16px;border-radius:20px;font-size:13px;transition:var(--transition)}
.topic-tag:hover,.topic-tag.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== 照片网格 ===== */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.photo-item{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius);cursor:pointer}
.photo-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.photo-item:hover img{transform:scale(1.08)}
.photo-overlay{position:absolute;inset:0;background:rgba(0,0,0,0);display:flex;align-items:flex-end;padding:12px;transition:background .3s}
.photo-item:hover .photo-overlay{background:rgba(0,0,0,.5)}
.photo-overlay span{color:#fff;font-size:13px;font-weight:600;opacity:0;transition:opacity .3s;transform:translateY(8px);transition:all .3s}
.photo-item:hover .photo-overlay span{opacity:1;transform:translateY(0)}

/* ===== 创作者卡片 ===== */
.creator-card{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.creator-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.creator-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;margin:0 auto 12px;border:3px solid var(--primary)}
.creator-card h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:4px}
.creator-card p{font-size:13px;color:var(--text-muted);margin-bottom:6px}
.creator-card span{font-size:12px;color:var(--primary);font-weight:600}

/* ===== 工具卡片 ===== */
.tool-card{display:block;background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition);text-align:center;color:var(--text)}
.tool-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.tool-icon{width:60px;height:60px;border-radius:16px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:26px}
.tool-card h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.tool-card p{font-size:13px;color:var(--text-light);line-height:1.7}

/* ===== 扶持计划卡片 ===== */
.plan-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);border:2px solid var(--border);transition:var(--transition)}
.plan-card:hover{border-color:var(--primary)}
.plan-badge{display:inline-block;background:var(--secondary);color:#fff;font-size:12px;padding:3px 12px;border-radius:12px;font-weight:700;margin-bottom:12px}
.plan-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:14px}
.plan-card ul{display:flex;flex-direction:column;gap:8px}
.plan-card ul li{font-size:14px;color:var(--text)}

/* ===== 统计卡片 ===== */
.stat-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.stat-card .stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1}
.stat-card .stat-num-sub{font-size:13px;color:var(--text-muted)}
.stat-card .stat-label{font-size:13px;color:var(--text-muted);margin-top:6px}

/* ===== FAQ内页 ===== */
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{padding:18px 20px;cursor:pointer;display:flex;align-items:flex-start;gap:12px}
.faq-q h3{font-size:15px;font-weight:600;color:var(--dark);flex:1;line-height:1.5}
.faq-q:hover h3{color:var(--primary)}
.faq-icon{width:28px;height:28px;border-radius:6px;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.faq-icon.a{background:var(--dark)}
.faq-views{font-size:12px;color:var(--text-muted);white-space:nowrap;margin-left:auto;padding-left:12px}
.faq-a{padding:0 20px 18px 60px;color:var(--text-light);font-size:14px;line-height:1.8}
.faq-a p{margin-bottom:10px}
.faq-meta{display:flex;gap:16px;font-size:12px;color:var(--text-muted);margin-top:10px}

/* ===== 获奖徽章 ===== */
.award-badge{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#ffd700,#ffa500);color:#fff;font-size:11px;padding:3px 8px;border-radius:12px;font-weight:700;z-index:5}

/* ===== 响应式补充 ===== */
@media(max-width:1024px){
  .photo-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .photo-grid{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr) !important}
  .top-bar{display:none}
}
@media(max-width:480px){
  .photo-grid{grid-template-columns:1fr}
  .video-filter{gap:6px}
  .filter-btn{padding:5px 12px;font-size:12px}
}