:root{
  --bg:#12100E;
  --surface:#1A1714;
  --surface-2:#221E1A;
  --primary:#FF8A3D;
  --accent:#FFC65C;
  --text:#F7F1E8;
  --text-dim:#C4B6A6;
  --text-weak:#8A7C6D;
  --border:rgba(255,198,92,.18);
  --radius:16px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:var(--font-sans);
  line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;object-fit:cover}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
section{padding:80px 0;position:relative}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* 导航 */
.nav-wrap{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:all .3s ease;padding:16px 0;
}
.nav-wrap.scrolled{padding:8px 0;background:rgba(18,16,14,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--border);border-radius:40px;
  padding:10px 24px;transition:all .3s ease;
}
.nav-wrap.scrolled .nav-inner{background:transparent;border-color:transparent;padding:4px 0}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:.5px}
.logo img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--text-dim);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.btn-download-nav{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#1A1714;font-weight:700;padding:8px 20px;border-radius:30px;font-size:14px;
  transition:transform .2s;
}
.btn-download-nav:hover{transform:scale(1.05)}
.hamburger{display:none;flex-direction:column;gap:5px;width:24px;height:24px;justify-content:center}
.hamburger span{width:100%;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.mobile-menu{display:none;position:absolute;top:100%;left:24px;right:24px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:24px;margin-top:12px;flex-direction:column;gap:20px}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:16px}
.mobile-menu .btn-download-nav{text-align:center}

/* 首屏 */
.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:120px;
  background:radial-gradient(circle at 20% 30%, rgba(255,138,61,.08) 0%, transparent 50%),
             radial-gradient(circle at 80% 70%, rgba(255,198,92,.05) 0%, transparent 50%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,56px);line-height:1.2;margin-bottom:24px;font-weight:800;letter-spacing:-.5px}
.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-slogan{font-size:20px;color:var(--accent);margin-bottom:16px;font-weight:500}
.hero-desc{font-size:16px;color:var(--text-dim);margin-bottom:32px;max-width:480px}
.trust-points{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.trust-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text-dim)}
.trust-points svg{flex-shrink:0;color:var(--primary)}
.trust-bar{display:flex;gap:32px;margin-bottom:40px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trust-bar-item{display:flex;flex-direction:column}
.trust-bar-item strong{font-size:24px;color:var(--accent);font-family:var(--font-mono)}
.trust-bar-item span{font-size:13px;color:var(--text-weak)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#1A1714;
  font-weight:700;padding:14px 32px;border-radius:40px;font-size:16px;
  transition:transform .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:8px;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,138,61,.3)}
.btn-secondary{
  border:1px solid var(--border);color:var(--text);padding:14px 32px;border-radius:40px;
  font-size:16px;transition:background .2s;display:inline-flex;align-items:center;gap:8px;
}
.btn-secondary:hover{background:rgba(255,198,92,.08)}

/* 手机样机 */
.phone-mockup{
  position:relative;width:100%;max-width:320px;margin:0 auto;
  border-radius:40px;border:8px solid #2A2520;background:#000;overflow:hidden;
  aspect-ratio:9/19;box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.phone-screen{position:relative;width:100%;height:100%;overflow:hidden}
.phone-screen img{width:100%;height:100%;object-fit:cover;transition:opacity .5s}
.phone-overlay{position:absolute;bottom:0;left:0;right:0;padding:24px 20px;background:linear-gradient(to top,rgba(0,0,0,.9),transparent)}
.phone-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.phone-tag{padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.15);font-size:12px;cursor:pointer;transition:.2s}
.phone-tag.active{background:var(--primary);color:#1A1714;font-weight:700}
.phone-title{font-size:16px;font-weight:700}
.poster-wall{position:absolute;top:0;left:0;right:0;bottom:0;opacity:.15;display:grid;grid-template-columns:repeat(3,1fr);gap:4px;pointer-events:none;z-index:-1;overflow:hidden;border-radius:40px}

/* 榜单 */
.rank-section{background:radial-gradient(circle at 70% 20%,rgba(255,138,61,.06),transparent 60%)}
.section-head{margin-bottom:48px}
.section-head h2{font-size:32px;margin-bottom:12px;font-weight:800}
.section-head p{color:var(--text-dim);font-size:16px}
.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.tabs{display:flex;gap:12px;margin-bottom:24px}
.tab-btn{padding:8px 20px;border-radius:20px;background:var(--surface-2);font-size:14px;color:var(--text-dim);border:1px solid transparent}
.tab-btn.active{background:rgba(255,138,61,.15);color:var(--primary);border-color:rgba(255,138,61,.3)}
.list-container{display:flex;flex-direction:column;gap:16px}
.rank-item{display:flex;gap:16px;padding:12px;border-radius:12px;background:var(--surface);border:1px solid transparent;cursor:pointer;transition:.2s}
.rank-item:hover{border-color:var(--border);background:var(--surface-2)}
.rank-num{font-size:32px;color:var(--text-weak);font-weight:900;font-style:italic;min-width:48px;text-align:center;line-height:1;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono)}
.rank-item:nth-child(1) .rank-num,.rank-item:nth-child(2) .rank-num,.rank-item:nth-child(3) .rank-num{color:var(--primary)}
.rank-cover{width:60px;height:80px;border-radius:8px;overflow:hidden;flex-shrink:0}
.rank-info{flex:1;display:flex;flex-direction:column;justify-content:center}
.rank-title{font-size:15px;font-weight:700;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-meta{font-size:12px;color:var(--text-weak);display:flex;gap:12px}
.rank-hot{color:var(--accent);font-size:12px;margin-top:4px}
.preview-box{position:sticky;top:120px;border-radius:var(--radius);overflow:hidden;background:var(--surface);aspect-ratio:9/16;max-width:400px;margin:0 auto;border:1px solid var(--border)}
.preview-box img{width:100%;height:100%}

/* 情绪分栏 */
.mood-section{background:radial-gradient(circle at 30% 70%,rgba(255,198,92,.05),transparent 50%)}
.mood-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mood-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;cursor:pointer;background:var(--surface)}
.mood-bg{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;gap:2px;opacity:.4}
.mood-bg img{width:100%;height:100%}
.mood-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;background:linear-gradient(to top,rgba(18,16,14,.9) 0%,transparent 60%);transition:.3s}
.mood-card:hover .mood-content{background:linear-gradient(to top,rgba(255,138,61,.4) 0%,transparent 60%)}
.mood-name{font-size:24px;font-weight:800;margin-bottom:4px}
.mood-count{font-size:13px;color:var(--text-dim);font-family:var(--font-mono)}

/* 播放器体验 */
.player-section{background:radial-gradient(circle at 80% 50%,rgba(255,138,61,.08),transparent 50%)}
.feature-list{display:flex;flex-direction:column;gap:16px}
.feature-item{display:flex;gap:20px;padding:20px;border-radius:16px;border:1px solid var(--border);background:var(--surface);cursor:pointer;transition:.3s}
.feature-item.active{border-color:var(--primary);background:rgba(255,138,61,.05)}
.feature-icon{width:40px;height:40px;border-radius:12px;background:rgba(255,198,92,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}
.feature-text h3{font-size:16px;margin-bottom:6px;color:var(--text)}
.feature-text p{font-size:13px;color:var(--text-dim)}
.player-demo{position:relative;display:flex;justify-content:center;align-items:center}

/* 主演 */
.cast-section{background:radial-gradient(circle at 20% 80%,rgba(255,198,92,.05),transparent 60%)}
.cast-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flip-card{perspective:1000px;aspect-ratio:3/4;cursor:pointer;position:relative}
.flip-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}
.flip-card.flipped .flip-inner{transform:rotateY(180deg)}
.flip-front,.flip-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius);overflow:hidden}
.flip-front{background:var(--surface)}
.flip-front img{width:100%;height:100%}
.cast-name{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(to top,rgba(0,0,0,.9),transparent)}
.cast-name h3{font-size:16px;margin-bottom:4px}
.cast-name p{font-size:12px;color:var(--accent)}
.flip-back{background:var(--surface-2);border:1px solid var(--border);transform:rotateY(180deg);padding:24px;display:flex;flex-direction:column;justify-content:center}
.flip-back h3{font-size:18px;margin-bottom:16px;color:var(--accent)}
.flip-back p{font-size:13px;color:var(--text-dim);margin-bottom:8px;line-height:1.6}
.flip-back .btn-secondary{padding:8px 16px;font-size:13px;margin-top:16px;align-self:flex-start}

/* 追更 */
.shelf-section{background:radial-gradient(circle at 50% 30%,rgba(255,138,61,.06),transparent 50%)}
.shelf-wrap{background:var(--surface);border-radius:24px;border:1px solid var(--border);padding:40px;position:relative}
.shelf-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.shelf-item{position:relative}
.shelf-cover{aspect-ratio:3/4;border-radius:8px;overflow:hidden;margin-bottom:12px}
.shelf-title{font-size:13px;font-weight:700;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.shelf-progress{height:4px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden;margin-bottom:6px}
.shelf-progress-bar{height:100%;background:var(--primary)}
.shelf-meta{font-size:11px;color:var(--text-weak);font-family:var(--font-mono)}
.float-tag{position:absolute;background:var(--surface-2);border:1px solid var(--border);padding:6px 12px;border-radius:20px;font-size:12px;color:var(--accent);box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:2}

/* 品牌故事 */
.story-section{background:radial-gradient(circle at 10% 50%,rgba(255,138,61,.04),transparent 60%)}
.story-grid{display:grid;grid-template-columns:7fr 5fr;gap:60px}
.story-text h2{font-size:28px;margin-bottom:24px}
.story-text p{color:var(--text-dim);line-height:1.9;margin-bottom:20px;font-size:15px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-content:start}
.stat-block{background:var(--surface);padding:24px;border-radius:var(--radius);border:1px solid var(--border);text-align:center}
.stat-num{font-size:32px;font-weight:800;color:var(--accent);font-family:var(--font-mono);margin-bottom:8px}
.stat-label{font-size:13px;color:var(--text-weak)}
.review-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px;padding-top:40px;border-top:1px solid var(--border)}
.review-item{background:var(--surface);padding:24px;border-radius:var(--radius);border:1px solid var(--border)}
.review-stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review-text{font-size:14px;color:var(--text-dim);line-height:1.7;margin-bottom:16px}
.review-meta{font-size:12px;color:var(--text-weak);display:flex;justify-content:space-between}

/* 下载 */
.download-section{background:radial-gradient(circle at 90% 10%,rgba(255,138,61,.08),transparent 50%)}
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:40px}
.dl-btn{display:flex;align-items:center;gap:16px;padding:20px;border-radius:16px;background:var(--surface);border:1px solid var(--border);transition:.2s}
.dl-btn:hover{background:var(--surface-2);border-color:var(--primary)}
.dl-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--accent)}
.dl-text{display:flex;flex-direction:column}
.dl-text strong{font-size:15px;margin-bottom:2px}
.dl-text span{font-size:12px;color:var(--text-weak);font-family:var(--font-mono)}
.tips-row{display:flex;gap:24px;margin-bottom:40px;justify-content:space-between}
.tip-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-dim);background:var(--surface);padding:12px 20px;border-radius:12px;flex:1}
.tip-item svg{color:var(--primary);flex-shrink:0}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:16px;text-align:left;color:var(--text)}
.faq-q svg{transition:transform .3s;color:var(--text-dim)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--text-dim);font-size:14px;line-height:1.7}
.faq-a-inner{padding-bottom:20px}

/* 页脚 */
footer{background:#0D0B09;border-top:1px solid var(--border);padding:60px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-bottom:48px}
.footer-col h4{font-size:15px;margin-bottom:20px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{color:var(--text-dim);transition:.2s;font-size:13px}
.footer-col ul a:hover{color:var(--primary)}
.footer-brand p{color:var(--text-weak);font-size:13px;margin:16px 0;line-height:1.6}
.social-icons{display:flex;gap:12px;margin-top:16px}
.social-icons a{width:36px;height:36px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:.2s}
.social-icons a:hover{background:var(--primary);color:#1A1714}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-weak);font-size:12px}
.footer-bottom a{color:var(--text-weak)}
.footer-bottom a:hover{color:var(--text-dim)}
.qr-box{display:flex;align-items:center;gap:12px;margin-top:16px}
.qr-placeholder{width:80px;height:80px;background:var(--surface);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--text-weak);text-align:center;padding:8px}
.qr-text{font-size:12px;color:var(--text-dim)}

/* 动效 */
.reveal{opacity:1;transform:translateY(0);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.reveal.init{transform:translateY(24px)}
.reveal.show{transform:translateY(0)}

@media (max-width:1200px){.container{padding:0 20px}}
@media (max-width:992px){
  .hero-grid,.split-layout,.story-grid{grid-template-columns:1fr;gap:40px}
  .cast-grid,.dl-grid{grid-template-columns:repeat(2,1fr)}
  .shelf-grid{grid-template-columns:repeat(3,1fr)}
  .mood-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .review-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .hamburger{display:flex}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero h1{font-size:32px}
  .trust-bar{flex-wrap:wrap;gap:20px}
  .cast-grid,.dl-grid,.shelf-grid,.mood-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .tips-row{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .nav-inner{padding:8px 16px}
  .btn-download-nav{display:none}
  .preview-box{display:none}
  .float-tag{display:none}
}
@media (max-width:480px){
  .cast-grid,.dl-grid{grid-template-columns:1fr}
  .mood-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .btn-primary,.btn-secondary{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}