/* 糖心传媒 - 主样式 | r06eaa.cn */
:root{
  --primary:#0a3d8f;
  --primary-light:#1a6fd4;
  --gold:#f0c040;
  --dark:#0d1117;
  --dark2:#161b22;
  --dark3:#1c2128;
  --border:#30363d;
  --text:#e6edf3;
  --text-muted:#8b949e;
  --red:#e74c3c;
  --green:#2ecc71;
  --radius:8px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--dark);color:var(--text);font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;line-height:1.6;min-height:100vh}
a{color:var(--primary-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* 滚动进度 */
#scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--gold));z-index:9999;width:0;transition:width .1s}

/* 顶部公告 */
.top-bar{background:var(--primary);color:#fff;text-align:center;padding:8px 16px;font-size:13px;line-height:1.5}
.top-bar a{color:var(--gold);font-weight:600}
.top-bar a:hover{color:#fff}

/* 导航 */
.site-header{background:var(--dark2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:0 2px 16px rgba(0,0,0,.5)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:20px;height:64px}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-wrap img{height:40px;width:auto;object-fit:contain}
.logo-text{font-size:18px;font-weight:800;color:#fff;white-space:nowrap}
.logo-text em{color:var(--gold);font-style:normal}
.main-nav{display:flex;gap:4px;flex:1}
.main-nav a{color:var(--text-muted);font-size:14px;padding:6px 12px;border-radius:6px;transition:all .2s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.08)}
.header-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.btn-login{background:transparent;border:1px solid var(--border);color:var(--text);padding:6px 16px;border-radius:6px;font-size:13px;transition:all .2s}
.btn-login:hover{border-color:var(--primary-light);color:var(--primary-light)}
.btn-join{background:var(--primary);color:#fff;padding:6px 16px;border-radius:6px;font-size:13px;font-weight:600;transition:all .2s}
.btn-join:hover{background:var(--primary-light)}
.mobile-menu-btn{display:none;background:none;border:1px solid var(--border);color:#fff;padding:6px 10px;border-radius:6px;font-size:18px}

/* 移动端菜单 */
.mobile-nav{position:fixed;top:0;right:-280px;width:280px;height:100vh;background:var(--dark2);border-left:1px solid var(--border);z-index:2000;display:flex;flex-direction:column;padding:60px 20px 20px;gap:4px;transition:right .3s ease;overflow-y:auto}
.mobile-nav.open{right:0}
.mobile-nav-close{position:absolute;top:16px;right:16px;font-size:20px;color:var(--text-muted);cursor:pointer;padding:4px 8px}
.mobile-nav a{color:var(--text);font-size:15px;padding:12px 16px;border-radius:6px;border:1px solid transparent;transition:all .2s}
.mobile-nav a:hover{background:rgba(255,255,255,.06);border-color:var(--border)}

/* 搜索栏 */
.search-bar-wrap{background:var(--dark3);border-bottom:1px solid var(--border);padding:12px 0}
.search-bar-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;flex-direction:column;gap:8px}
.search-form{display:flex;gap:0;max-width:600px;border-radius:8px;overflow:hidden;border:1px solid var(--border);transition:border-color .2s}
.search-form:focus-within{border-color:var(--primary-light)}
.search-form input{flex:1;background:var(--dark2);border:none;color:#fff;padding:10px 16px;font-size:14px;outline:none;font-family:inherit}
.search-form input::placeholder{color:var(--text-muted)}
.search-form button{background:var(--primary);color:#fff;padding:10px 20px;font-size:14px;font-weight:600;transition:background .2s;font-family:inherit;cursor:pointer}
.search-form button:hover{background:var(--primary-light)}
.search-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px}
.search-tags span{color:var(--text-muted)}
.search-tags a{color:var(--text-muted);background:var(--dark2);padding:3px 10px;border-radius:12px;border:1px solid var(--border);transition:all .2s}
.search-tags a:hover{color:#fff;border-color:var(--primary-light)}

/* Hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);transition:transform 8s ease}
.hero:hover .hero-bg{transform:scale(1)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,61,143,.85) 0%,rgba(13,17,23,.7) 100%)}
.hero-content{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:60px 20px;width:100%}
.hero-badge{display:inline-block;background:rgba(240,192,64,.15);border:1px solid var(--gold);color:var(--gold);padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero-content h1{font-size:clamp(32px,5vw,56px);font-weight:900;line-height:1.2;color:#fff;margin-bottom:16px}
.hero-content h1 em{color:var(--gold);font-style:normal}
.hero-desc{font-size:16px;color:rgba(255,255,255,.8);max-width:600px;margin-bottom:28px;line-height:1.8}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.btn-primary{background:var(--primary);color:#fff;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:700;transition:all .2s;display:inline-block}
.btn-primary:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(10,61,143,.4)}
.btn-outline{background:transparent;color:#fff;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:700;border:2px solid rgba(255,255,255,.5);transition:all .2s;display:inline-block}
.btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1)}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:24px;font-weight:800;color:var(--gold)}
.hero-stat span{font-size:12px;color:rgba(255,255,255,.7)}

/* 通用section */
.section{padding:60px 0}
.section-inner{max-width:1280px;margin:0 auto;padding:0 20px}
.section-header{text-align:center;margin-bottom:40px}
.section-tag{display:inline-block;background:rgba(10,61,143,.2);border:1px solid var(--primary);color:var(--primary-light);padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:12px}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;color:#fff;margin-bottom:10px}
.section-title em{color:var(--gold);font-style:normal}
.section-sub{color:var(--text-muted);font-size:14px;max-width:600px;margin:0 auto}
.section-more{text-align:center;margin-top:32px}
.section-more a{display:inline-block;background:var(--dark2);border:1px solid var(--border);color:var(--text-muted);padding:10px 28px;border-radius:8px;font-size:14px;transition:all .2s}
.section-more a:hover{border-color:var(--primary-light);color:var(--primary-light)}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.video-grid-5{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.video-card{background:var(--dark2);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);cursor:pointer;transition:all .3s}
.video-card:hover{border-color:var(--primary-light);transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.4)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark3)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.3)}
.video-card:hover .play-btn{opacity:1}
.play-icon{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;transform:scale(.8);transition:transform .3s}
.video-card:hover .play-icon{transform:scale(1)}
.play-icon svg{width:24px;height:24px;fill:var(--primary);margin-left:4px}
.video-badge{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px;background:var(--red);color:#fff}
.video-badge.hot{background:var(--red)}
.video-badge.new{background:var(--green)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:11px;padding:2px 6px;border-radius:4px}
.video-info{padding:12px}
.video-title{font-size:14px;font-weight:600;color:#fff;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:12px;color:var(--text-muted);margin-bottom:8px}
.video-author{display:flex;align-items:center;gap:8px}
.author-avatar{width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.author-name{font-size:12px;color:var(--text-muted)}

/* 统计 */
.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.stat-box{background:var(--dark2);border-radius:8px;padding:20px;text-align:center;border:1px solid var(--border)}
.stat-num{font-size:28px;font-weight:800;color:var(--gold);display:block;margin-bottom:4px}
.stat-label{font-size:12px;color:var(--text-muted)}

/* 分区卡片 */
.zone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.zone-card{background:var(--dark2);border-radius:8px;padding:20px;border:1px solid var(--border);text-align:center;transition:all .3s;display:block;color:inherit}
.zone-card:hover{border-color:var(--primary-light);transform:translateY(-4px);color:inherit}
.zone-icon{font-size:36px;margin-bottom:10px}
.zone-name{font-size:15px;font-weight:700;color:#fff;margin-bottom:6px}
.zone-desc{font-size:12px;color:var(--text-muted);margin-bottom:8px;line-height:1.5}
.zone-count{font-size:11px;color:var(--primary-light);background:rgba(10,61,143,.2);padding:3px 10px;border-radius:10px}

/* 专家 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.expert-card{background:var(--dark2);border-radius:8px;overflow:hidden;border:1px solid var(--border);display:flex;gap:0;transition:all .3s}
.expert-card:hover{border-color:var(--primary-light)}
.expert-photo{width:120px;height:auto;object-fit:cover;flex-shrink:0}
.expert-body{padding:16px;flex:1}
.expert-name{font-size:18px;font-weight:700;color:#fff;margin-bottom:4px}
.expert-title{font-size:12px;color:var(--primary-light);margin-bottom:10px}
.expert-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:10px}
.expert-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.expert-tag{font-size:11px;background:rgba(10,61,143,.2);color:var(--primary-light);padding:3px 8px;border-radius:4px;border:1px solid var(--primary)}
.expert-btns{display:flex;gap:8px}
.btn-sm{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600;transition:all .2s;display:inline-block}
.btn-sm.primary{background:var(--primary);color:#fff}
.btn-sm.primary:hover{background:var(--primary-light);color:#fff}
.btn-sm.outline{background:transparent;border:1px solid var(--border);color:var(--text-muted)}
.btn-sm.outline:hover{border-color:var(--primary-light);color:var(--primary-light)}

/* 合作伙伴 */
.partner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.partner-card{background:var(--dark2);border-radius:8px;padding:16px;text-align:center;border:1px solid var(--border);transition:all .2s;cursor:pointer}
.partner-card:hover{border-color:var(--primary-light);transform:translateY(-2px)}
.partner-logo{font-size:28px;margin-bottom:8px}
.partner-name{font-size:13px;color:var(--text-muted)}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.contact-card{background:var(--dark2);border-radius:8px;padding:20px;border:1px solid var(--border);text-align:center}
.contact-icon{font-size:28px;margin-bottom:8px}
.contact-label{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.contact-value{font-size:14px;font-weight:600;color:#fff}
.qr-wrap{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{border-radius:8px;margin-bottom:8px}
.qr-item span{font-size:12px;color:var(--text-muted);display:block;line-height:1.5}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:var(--dark2);border-radius:8px;padding:20px;border:1px solid var(--border)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--gold));color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-user{flex:1}
.review-user strong{display:block;font-size:14px;color:#fff}
.review-user span{font-size:12px;color:var(--text-muted)}
.review-stars{color:var(--gold);font-size:14px}
.review-text{font-size:13px;color:var(--text-muted);line-height:1.7;margin-bottom:10px}
.review-footer{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:800px;margin:0 auto}
.faq-item{background:var(--dark2);border-radius:8px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;color:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-q::after{content:'▼';font-size:12px;color:var(--text-muted);transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(180deg)}
.faq-q:hover{background:rgba(255,255,255,.04)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding:0 20px 16px;font-size:14px;color:var(--text-muted);line-height:1.8}

/* 标签云 */
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
.tag{background:var(--dark2);border:1px solid var(--border);color:var(--text-muted);padding:6px 14px;border-radius:20px;font-size:13px;transition:all .2s}
.tag:hover{border-color:var(--primary-light);color:var(--primary-light)}

/* 分享栏 */
.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.share-label{font-size:13px;color:var(--text-muted)}
.share-btn{padding:6px 16px;border-radius:6px;font-size:13px;font-weight:600;transition:all .2s;display:inline-block}
.share-btn.wechat{background:#07c160;color:#fff}
.share-btn.weibo{background:#e6162d;color:#fff}
.share-btn.douyin{background:#010101;color:#fff;border:1px solid var(--border)}
.share-btn.bilibili{background:#00a1d6;color:#fff}
.share-btn:hover{opacity:.85;color:#fff}

/* 页脚 */
.site-footer{background:var(--dark2);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand .logo-text{font-size:20px;font-weight:800;margin-bottom:12px}
.footer-desc{font-size:13px;color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.social-icon{width:36px;height:36px;border-radius:50%;background:var(--dark3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s}
.social-icon:hover{border-color:var(--primary-light);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col ul li a{font-size:13px;color:var(--text-muted);transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:20px;border-top:1px solid var(--border)}
.footer-copy{font-size:12px;color:var(--text-muted)}
.update-time{color:var(--primary-light)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:var(--text-muted);transition:color .2s}
.footer-links a:hover{color:#fff}

/* 回到顶部 */
#back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(10,61,143,.5);transition:all .2s;z-index:999}
#back-top:hover{background:var(--primary-light);transform:translateY(-2px)}
#back-top svg{width:20px;height:20px;fill:#fff}

/* 面包屑 */
.breadcrumb{max-width:1280px;margin:0 auto;padding:12px 20px;font-size:13px;color:var(--text-muted);display:flex;gap:8px;align-items:center}
.breadcrumb a{color:var(--text-muted);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:var(--text-muted)}

/* 页面Hero */
.page-hero{position:relative;min-height:280px;display:flex;align-items:center;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(2px);transform:scale(1.05)}
.page-hero::before{content:'';position:absolute;inset:0;background:rgba(13,17,23,.75);z-index:1}
.page-hero-content{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:40px 20px;width:100%}
.page-hero-content h1{font-size:clamp(28px,4vw,44px);font-weight:900;color:#fff;margin-bottom:8px}
.page-hero-content p{font-size:15px;color:rgba(255,255,255,.7)}

/* 页面内容 */
.page-content{max-width:1280px;margin:0 auto;padding:40px 20px}
.page-intro{background:var(--dark2);border-radius:8px;padding:24px;border:1px solid var(--border);margin-bottom:32px}
.page-intro h2{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
.page-intro p{font-size:14px;color:var(--text-muted);line-height:1.9}

/* 评论区 */
.comment-section{margin-top:40px}
.comment-section h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.comment-list{display:grid;gap:16px}
.comment-item{background:var(--dark2);border-radius:8px;padding:20px;border:1px solid var(--border)}
.comment-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.comment-user{flex:1}
.comment-user strong{display:block;font-size:14px;color:#fff}
.comment-user span{font-size:12px;color:var(--text-muted)}
.comment-stars{color:var(--gold);font-size:14px}
.comment-text{font-size:14px;color:var(--text-muted);line-height:1.8;margin-bottom:12px}
.comment-reply{background:var(--dark3);border-radius:6px;padding:12px 16px;border-left:3px solid var(--primary)}
.comment-reply p{font-size:13px;color:var(--text-muted);line-height:1.7}
.comment-reply strong{color:var(--primary-light)}

/* 响应式 */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}
@media(max-width:768px){
  .main-nav{display:none}
  .mobile-menu-btn{display:block}
  .hero{min-height:400px}
  .hero-stats{gap:16px}
  .hero-stat strong{font-size:18px}
  .section{padding:40px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .expert-card{flex-direction:column}
  .expert-photo{width:100%;height:200px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .zone-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .header-inner{padding:0 12px}
  .page-content{padding:24px 12px}
  .section-inner{padding:0 12px}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column}
  .btn-primary,.btn-outline{text-align:center}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .zone-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .share-bar{justify-content:center}
  .logo-text{display:none}
}

/* 懒加载占位 */
img.lazy-img{background:var(--dark3);min-height:80px}

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

/* 选中文字颜色 */
::selection{background:var(--primary);color:#fff}