/* ============================================
   抖荫短视频 全站样式表
   品牌色：珊瑚粉 #FF6B6B / 暖橙 #FF9F43 / 深色 #1a1a2e
   ============================================ */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#fafafa;line-height:1.7;overflow-x:hidden}
a{color:#FF6B6B;text-decoration:none;transition:color .3s}
a:hover{color:#FF9F43}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a1a2e}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1a1a2e;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#FF6B6B,#FF9F43);border-radius:2px}
.section-title p{color:#666;margin-top:10px;font-size:1rem}

/* Header / Navigation */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.g8i2pwm{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.g9ali{display:flex;align-items:center;gap:10px}
.g9ali img{height:40px;width:auto}
.g9ali span{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,#FF6B6B,#FF9F43);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.p4l2tt{display:flex;align-items:center;gap:6px}
.p4l2tt a{color:#ccc;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s}
.p4l2tt a:hover,.p4l2tt a.active{color:#fff;background:linear-gradient(135deg,#FF6B6B,#FF9F43)}
.kr4jtq{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.ku6k8{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);padding:15px 0}
.ku6k8 .container{display:flex;justify-content:center}
.yp96vah{display:flex;max-width:600px;width:100%;border-radius:30px;overflow:hidden;box-shadow:0 4px 15px rgba(255,107,107,.2)}
.yp96vah input{flex:1;padding:12px 24px;border:none;font-size:1rem;outline:none;background:#fff}
.yp96vah button{padding:12px 28px;background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff;border:none;font-size:1rem;cursor:pointer;transition:opacity .3s}
.yp96vah button:hover{opacity:.9}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#FF6B6B}
.breadcrumb span{margin:0 6px;color:#ccc}

/* Hero Banner */
.hero{position:relative;overflow:hidden;background:#1a1a2e}
.hero img{width:100%;height:480px;object-fit:cover;opacity:.7}
.a95cimic{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(180deg,rgba(26,26,46,.3),rgba(26,26,46,.8))}
.a95cimic h1{font-size:2.8rem;color:#fff;margin-bottom:15px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.a95cimic h1 em{font-style:normal;background:linear-gradient(135deg,#FF6B6B,#FF9F43);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.a95cimic p{color:rgba(255,255,255,.85);font-size:1.15rem;max-width:700px;margin-bottom:25px}
.t0uabb1c{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;box-shadow:0 4px 15px rgba(255,107,107,.4);transition:transform .3s,box-shadow .3s}
.t0uabb1c:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,107,.6);color:#fff}

/* Video Cards Grid */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(255,107,107,.15)}
.video-card a{color:inherit;text-decoration:none}
.video-thumb{position:relative;padding-top:56.25%;background:#1a1a2e;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;background:rgba(255,107,107,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .3s}
.play-icon::after{content:'';border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-icon{background:rgba(255,159,67,.9)}
.video-info{padding:16px}
.video-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 8px;background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff;border-radius:10px;font-size:.7rem;margin-bottom:6px}

/* Module Sections */
.zry3y{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.o7qdrd{background:#fff;border-radius:12px;padding:30px 24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.o7qdrd:hover{transform:translateY(-3px)}
.o7qdrd .icon{font-size:2.5rem;margin-bottom:15px}
.o7qdrd h3{font-size:1.1rem;margin-bottom:10px;color:#1a1a2e}
.o7qdrd p{font-size:.9rem;color:#666;line-height:1.6}

/* Expert Section */
.f2zvhp{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.qds05ia{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:transform .3s}
.qds05ia:hover{transform:translateY(-3px)}
.qds05ia img{width:100%;height:280px;object-fit:cover}
.qds05ia .info{padding:20px}
.qds05ia h3{font-size:1.1rem;color:#1a1a2e;margin-bottom:5px}
.qds05ia .title{color:#FF6B6B;font-size:.85rem;margin-bottom:10px}
.qds05ia p{font-size:.85rem;color:#666;margin-bottom:15px}
.qds05ia .btns{display:flex;gap:10px;justify-content:center}
.yxxjtce{padding:8px 18px;border-radius:20px;font-size:.8rem;border:none;cursor:pointer;transition:all .3s}
.tose005{background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff}
.tose005:hover{opacity:.9;color:#fff}
.cq5fd0y{border:1px solid #FF6B6B;color:#FF6B6B;background:transparent}
.cq5fd0y:hover{background:#FF6B6B;color:#fff}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a1a2e;transition:background .3s}
.faq-question:hover{background:#fff5f5}
.faq-question::after{content:'+';font-size:1.3rem;color:#FF6B6B;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;color:#666;font-size:.95rem;line-height:1.8}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:500px}

/* Reviews */
.wvzoaa{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.vmkd4{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.vmkd4 .stars{color:#FF9F43;font-size:1.1rem;margin-bottom:10px}
.vmkd4 p{font-size:.95rem;color:#555;line-height:1.7;margin-bottom:12px;font-style:italic}
.vmkd4 .reviewer{display:flex;align-items:center;gap:10px}
.vmkd4 .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B6B,#FF9F43);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.vmkd4 .reviewer .name{font-weight:600;color:#1a1a2e;font-size:.9rem}
.vmkd4 .reviewer .date{font-size:.75rem;color:#999}

/* Partners */
.klvcvqpb{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.klvcvqpb .qa3vxg{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.05);font-size:1rem;font-weight:600;color:#666;transition:transform .3s}
.klvcvqpb .qa3vxg:hover{transform:scale(1.05)}

/* Contact Section */
.vuk8wi7{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.izbb7e{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.izbb7e h3{font-size:1.05rem;color:#1a1a2e;margin-bottom:12px}
.izbb7e p{font-size:.9rem;color:#666;line-height:1.7}
.izbb7e img{max-width:160px;margin:10px auto}

/* Footer */
.site-footer{background:#1a1a2e;color:#aaa;padding:40px 0 20px}
.bv7is9{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.m0jrkdv h4{color:#fff;font-size:1rem;margin-bottom:15px;position:relative;padding-bottom:10px}
.m0jrkdv h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:linear-gradient(90deg,#FF6B6B,#FF9F43)}
.m0jrkdv p,.m0jrkdv a{font-size:.85rem;color:#aaa;line-height:2}
.m0jrkdv a:hover{color:#FF9F43}
.m0jrkdv img{max-width:120px;margin-top:5px}
.kv9oe{text-align:center;padding-top:20px;margin-top:30px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:#777;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.kv9oe a{color:#FF6B6B}

/* Share Buttons */
.q9btj{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.w2jbq{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:20px;font-size:.8rem;color:#fff;transition:opacity .3s;cursor:pointer}
.w2jbq:hover{opacity:.85;color:#fff}
.p39mk1et{background:#07c160}
.g2zw55y5{background:#e6162d}
.kdaevoju{background:#111}
.dblf4t{background:#00a1d6}

/* How-To Guide */
.g9yyz4{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;counter-reset:step}
.bx5lee{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);position:relative;counter-increment:step}
.bx5lee::before{content:counter(step);position:absolute;top:-15px;left:50%;transform:translateX(-50%);width:30px;height:30px;background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.bx5lee h4{margin:10px 0;color:#1a1a2e;font-size:1rem}
.bx5lee p{font-size:.85rem;color:#666}

/* Video Player Page */
.kb7t7o{background:#000;border-radius:12px;overflow:hidden;margin-bottom:30px}
.kb7t7o video{width:100%;max-height:600px;display:block}
.video-detail{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);margin-bottom:30px}
.video-detail h1{font-size:1.5rem;margin-bottom:15px}
.video-detail .meta{display:flex;gap:20px;color:#999;font-size:.85rem;margin-bottom:15px;flex-wrap:wrap}
.video-detail .desc{color:#555;line-height:1.8;font-size:.95rem}
.video-detail .tags{margin-top:15px;display:flex;gap:8px;flex-wrap:wrap}
.video-detail .tags span{padding:4px 12px;background:#f5f5f5;border-radius:15px;font-size:.8rem;color:#666}

/* Sidebar */
.cb6ce83q{display:grid;grid-template-columns:1fr 320px;gap:30px}
.zsuqnz3s .sbl34xz6{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.06);margin-bottom:20px}
.zsuqnz3s .sbl34xz6 h3{font-size:1rem;color:#1a1a2e;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #f0f0f0}
.zsuqnz3s .sbl34xz6-list a{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #f5f5f5;color:#333;font-size:.9rem}
.zsuqnz3s .sbl34xz6-list a:last-child{border-bottom:none}
.zsuqnz3s .sbl34xz6-list img{width:100px;height:60px;object-fit:cover;border-radius:6px;flex-shrink:0}

/* Tags Cloud */
.h8gv0{display:flex;flex-wrap:wrap;gap:8px}
.h8gv0 a{padding:4px 12px;background:#f5f5f5;border-radius:15px;font-size:.8rem;color:#666;transition:all .3s}
.h8gv0 a:hover{background:linear-gradient(135deg,#FF6B6B,#FF9F43);color:#fff}

/* Responsive */
@media(max-width:768px){
  .g8i2pwm{flex-wrap:wrap}
  .p4l2tt{display:none;width:100%;flex-direction:column;padding-top:10px}
  .p4l2tt.show{display:flex}
  .kr4jtq{display:block}
  .hero img{height:280px}
  .a95cimic h1{font-size:1.8rem}
  .a95cimic p{font-size:.95rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
  .cb6ce83q{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .bv7is9{grid-template-columns:1fr 1fr}
  .f2zvhp{grid-template-columns:1fr}
  .wvzoaa{grid-template-columns:1fr}
  .zry3y{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .zry3y{grid-template-columns:1fr}
  .bv7is9{grid-template-columns:1fr}
  .g9yyz4{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
}

/* Lazy Load */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.evx70nz7{animation:fadeInUp .6s ease forwards}