:root{
  --coral:#ff6b6b;
  --coral-deep:#e94f4f;
  --peach:#fff1ef;
  --peach-soft:#fff7f5;
  --ink:#1b1b1f;
  --ink-soft:#55555f;
  --line:#f0e7e6;
  --white:#ffffff;
  --gray-block:#faf8f8;
  --radius-l:28px;
  --radius-m:18px;
  --shadow:0 14px 34px rgba(233,79,79,.10);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-tag{
  display:inline-block;font-size:13px;letter-spacing:.12em;
  color:var(--coral-deep);background:var(--peach);
  padding:5px 14px;border-radius:999px;font-weight:600;margin-bottom:14px;
}
.sec-head h2{
  font-size:30px;font-weight:800;letter-spacing:-.01em;line-height:1.3;
}
.sec-head p{margin-top:12px;color:var(--ink-soft);font-size:15.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;height:64px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;white-space:nowrap;}
.brand img{height:32px;width:auto;border-radius:8px;}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;}
.nav-links a{
  font-size:14px;color:var(--ink-soft);padding:7px 11px;border-radius:999px;
  transition:.25s;white-space:nowrap;
}
.nav-links a:hover{color:var(--coral-deep);background:var(--peach);}
.nav-dl{
  display:inline-block;background:var(--coral);color:#fff;font-size:14px;font-weight:700;
  padding:9px 20px;border-radius:999px;white-space:nowrap;
  box-shadow:0 8px 18px rgba(255,107,107,.32);transition:.25s;
}
.nav-dl:hover{background:var(--coral-deep);transform:translateY(-2px);}
.menu-toggle{display:none;background:none;border:0;font-size:22px;color:var(--ink);cursor:pointer;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#fff5f3 0%,#ffffff 46%,#fff9f7 100%);
  padding:64px 0 80px;
}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,107,.18),transparent 68%);
  top:-180px;right:-140px;
}
.hero::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,183,166,.22),transparent 70%);
  bottom:-160px;left:-120px;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-copy h1{
  font-size:46px;line-height:1.24;font-weight:900;letter-spacing:-.02em;
}
.hero-copy h1 em{font-style:normal;color:var(--coral-deep);}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--ink-soft);max-width:520px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-points span{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13.5px;padding:7px 15px;color:var(--ink-soft);font-weight:500;
  box-shadow:0 4px 10px rgba(0,0,0,.03);
}
.dl-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.dl-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:16px;font-weight:700;font-size:15px;
  transition:.25s;border:1.5px solid transparent;
}
.dl-btn .dot{width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.9;}
.dl-btn.primary{background:var(--coral);color:#fff;box-shadow:0 12px 26px rgba(255,107,107,.35);}
.dl-btn.primary:hover{background:var(--coral-deep);transform:translateY(-3px);}
.dl-btn.ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 6px 16px rgba(0,0,0,.04);}
.dl-btn.ghost:hover{border-color:var(--coral);color:var(--coral-deep);transform:translateY(-3px);}
.hero-note{margin-top:14px;font-size:13px;color:#9a9494;}

.hero-visual{position:relative;display:flex;justify-content:center;gap:16px;align-items:flex-end;}
.poster-col{display:flex;flex-direction:column;gap:16px;flex:1;max-width:200px;}
.poster-mini{
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow);
  background:var(--peach);
  transform:translateY(0);transition:.5s;
}
.poster-mini img{width:100%;height:100%;object-fit:cover;}
.poster-main{
  width:230px;border-radius:24px;overflow:hidden;
  box-shadow:0 22px 46px rgba(233,79,79,.24);
  animation:floaty 6s ease-in-out infinite;
}
.poster-main img{width:100%;height:100%;object-fit:cover;}
@keyframes floaty{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-10px);}
}

/* ---------- AI glow gallery ---------- */
.ai-block{background:var(--gray-block);}
.glow-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.glow-card{
  background:#fff;border-radius:var(--radius-l);padding:12px 12px 18px;
  box-shadow:0 10px 26px rgba(0,0,0,.05);
  transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s;
  will-change:transform;
}
.glow-card img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:20px;margin-bottom:14px;
}
.glow-card:hover{transform:translateY(-10px) rotate(-1.2deg);box-shadow:0 22px 44px rgba(233,79,79,.18);}
.glow-card h3{font-size:16px;font-weight:800;}
.glow-card p{font-size:13.5px;color:var(--ink-soft);margin-top:6px;}
.ai-tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.ai-tagrow i{
  font-style:normal;font-size:12px;background:var(--peach);color:var(--coral-deep);
  padding:3px 10px;border-radius:999px;font-weight:600;
}

/* ---------- film strip ---------- */
.film-list{display:flex;flex-direction:column;gap:26px;}
.film-row{
  display:grid;grid-template-columns:200px 1fr;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:18px;transition:.3s;
}
.film-row:nth-child(even){grid-template-columns:1fr 200px;}
.film-row:nth-child(even) .film-poster{order:2;}
.film-row:nth-child(even) .film-info{order:1;text-align:right;}
.film-row:nth-child(even) .film-tags{justify-content:flex-end;}
.film-row:hover{border-color:#ffd3cd;box-shadow:var(--shadow);transform:translateY(-4px);}
.film-poster{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:18px;}
.film-info h3{font-size:19px;font-weight:800;}
.film-info p{font-size:14.5px;color:var(--ink-soft);margin-top:8px;}
.film-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.film-tags span{font-size:12px;background:#f6f4f4;border-radius:999px;padding:4px 11px;color:#6c6c76;}
.film-time{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--coral-deep);font-weight:600;}

/* ---------- playback track ---------- */
.track-block{background:linear-gradient(180deg,#fff7f5,#ffffff);}
.track-line{
  position:relative;display:grid;grid-template-columns:repeat(6,1fr);
  gap:16px;margin-top:20px;
}
.track-line::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(255,107,107,.15),rgba(255,107,107,.7),rgba(255,107,107,.15));
  border-radius:2px;
}
.track-node{position:relative;text-align:center;}
.node-dot{
  width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--coral);
  margin:19px auto 14px;box-shadow:0 0 0 6px rgba(255,107,107,.12);
}
.node-time{font-weight:800;font-size:15px;color:var(--coral-deep);}
.node-txt{font-size:13px;color:var(--ink-soft);margin-top:4px;}
.track-copy{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-top:44px;}
.track-copy h3{font-size:22px;font-weight:800;margin-bottom:10px;}
.track-copy p{color:var(--ink-soft);font-size:15px;}
.track-shots{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.track-shots img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:16px;box-shadow:0 10px 22px rgba(0,0,0,.08);}

/* ---------- hover pod ---------- */
.pod-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;}
.pod-col h3{font-size:22px;font-weight:800;margin-bottom:16px;}
.pod-card{
  display:flex;gap:14px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-m);padding:12px;
  margin-bottom:12px;transition:.3s;
}
.pod-card img{width:66px;height:88px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.pod-card .pod-body{flex:1;min-width:0;}
.pod-card h4{font-size:15.5px;font-weight:800;display:flex;align-items:center;gap:8px;}
.pod-card p{font-size:13px;color:var(--ink-soft);margin-top:4px;}
.rank-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:8px;background:var(--peach);
  color:var(--coral-deep);font-size:12px;font-weight:800;flex-shrink:0;
}
.pod-card.top{border-color:#ffcfc8;box-shadow:0 0 0 3px rgba(255,107,107,.10),0 12px 26px rgba(255,107,107,.14);}
.pod-card.top .rank-badge{background:var(--coral);color:#fff;}

/* ---------- danmaku ---------- */
.danmaku-block{background:var(--gray-block);}
.danmaku-box{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.dm{
  display:flex;gap:10px;background:#fff;border-radius:16px;padding:14px;
  box-shadow:0 6px 18px rgba(0,0,0,.04);
  border:1px solid #f4eeee;
}
.dm:nth-child(3n+2){transform:translateY(14px);}
.dm img{width:36px;height:36px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--peach);}
.dm .dm-txt{font-size:13.5px;color:#3d3d46;}
.dm .dm-name{font-size:12px;color:#a09a9a;margin-top:4px;}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 4px;font-size:16.5px;font-weight:700;color:var(--ink);
  font-family:inherit;
}
.faq-q span.sign{color:var(--coral);font-size:20px;transition:.3s;}
.faq-a{padding:0 4px 20px;font-size:14.5px;color:var(--ink-soft);}
.faq-item.open .faq-q span.sign{transform:rotate(45deg);}

/* ---------- steps + download ---------- */
.final-cta{
  background:linear-gradient(140deg,#fff4f2,#ffffff 60%);
  border-top:1px solid var(--line);
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:46px;}
.step{
  background:#fff;border-radius:var(--radius-m);padding:24px 20px;
  border:1px solid var(--line);
}
.step-no{
  width:34px;height:34px;border-radius:12px;background:var(--peach);
  color:var(--coral-deep);display:flex;align-items:center;justify-content:center;
  font-weight:800;margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:800;}
.step p{font-size:14px;color:var(--ink-soft);margin-top:6px;}
.cta-card{
  background:#fff;border-radius:32px;padding:44px 34px;text-align:center;
  box-shadow:var(--shadow);border:1px solid #ffe4df;
}
.cta-card h2{font-size:28px;font-weight:900;}
.cta-card p{color:var(--ink-soft);margin-top:10px;font-size:15px;}
.cta-card .dl-row{justify-content:center;}

/* ---------- footer ---------- */
.site-footer{
  background:#fff;border-top:1px solid var(--line);padding:44px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;align-items:start;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;}
.footer-brand img{height:30px;border-radius:8px;}
.footer-desc{font-size:13.5px;color:var(--ink-soft);margin-top:12px;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:12px;}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:var(--ink-soft);margin-bottom:8px;}
.footer-col a:hover{color:var(--coral-deep);}
.copyright{
  border-top:1px solid var(--line);margin-top:32px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#9a9494;
}

/* ---------- baidu modal ---------- */
.copy-modal{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(20,20,24,.45);
}
.copy-modal.show{display:flex;}
.copy-card{
  width:100%;max-width:400px;background:#fff;border-radius:22px;padding:26px 22px;
  text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.22);
}
.copy-card p.tip{font-size:14.5px;color:var(--ink);line-height:1.6;}
.copy-url{
  margin:16px 0;background:var(--peach-soft);border:1px dashed #ffcbc2;
  border-radius:12px;padding:11px;font-size:12.5px;color:var(--coral-deep);
  word-break:break-all;
}
.copy-actions{display:flex;gap:10px;}
.copy-actions button{
  flex:1;border:0;border-radius:12px;padding:12px;font-size:14px;font-weight:700;
  cursor:pointer;font-family:inherit;
}
.btn-copy{background:var(--coral);color:#fff;}
.btn-close{background:#f2eeee;color:var(--ink);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .hero-copy h1{font-size:38px;}
  .glow-grid{grid-template-columns:repeat(3,1fr);}
  .pod-split{grid-template-columns:1fr;}
  .danmaku-box{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .track-copy{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:#fff;flex-direction:column;padding:14px 20px 20px;
    border-bottom:1px solid var(--line);box-shadow:0 16px 24px rgba(0,0,0,.06);
  }
  .nav-links.open{display:flex;}
  .menu-toggle{display:block;}
  .nav-dl{display:none;}
  .hero{padding:36px 0 56px;}
  .hero-copy h1{font-size:29px;}
  .hero-lead{font-size:15px;}
  .hero-points span{font-size:12.5px;padding:6px 12px;}
  .dl-btn{flex:1;justify-content:center;padding:12px 14px;font-size:14px;}
  .poster-main{width:170px;}
  .poster-col{max-width:120px;}
  .sec-head h2{font-size:23px;}
  .glow-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .glow-card{padding:9px 9px 14px;}
  .film-row,.film-row:nth-child(even){
    grid-template-columns:1fr;text-align:left;
  }
  .film-row:nth-child(even) .film-poster{order:0;}
  .film-row:nth-child(even) .film-info{text-align:left;}
  .film-row:nth-child(even) .film-tags{justify-content:flex-start;}
  .film-poster{aspect-ratio:16/9;}
  .track-line{grid-template-columns:repeat(3,1fr);row-gap:22px;}
  .track-line::before{display:none;}
  .track-shots{grid-template-columns:repeat(3,1fr);}
  .danmaku-box{grid-template-columns:1fr;}
  .dm:nth-child(3n+2){transform:none;}
  .steps{grid-template-columns:1fr;}
  .cta-card{padding:30px 18px;}
  .cta-card h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .copyright{flex-direction:column;align-items:flex-start;}
}