:root{
  --bg:#0b0a10;
  --bg-2:#131020;
  --panel:#181428;
  --panel-2:#1f1a33;
  --line:rgba(255,255,255,.09);
  --txt:#f2eefb;
  --txt-2:#a89fc0;
  --pink:#ff4d8d;
  --violet:#9b5cff;
  --cyan:#39d8ff;
  --gold:#ffc867;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:
    radial-gradient(1100px 600px at 12% -8%, rgba(155,92,255,.28), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(255,77,141,.22), transparent 60%),
    radial-gradient(800px 700px at 50% 110%, rgba(57,216,255,.12), transparent 65%),
    var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:74px 0;position:relative;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,10,16,.78);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 0;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:34px;width:34px;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.16);}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.5px;}
.brand-name span{
  background:linear-gradient(90deg,var(--pink),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{display:flex;flex-wrap:wrap;gap:4px 2px;}
.nav a{
  font-size:13.5px;color:var(--txt-2);padding:6px 10px;border-radius:999px;
  transition:color .2s,background .2s;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.header-dl{
  font-size:13.5px;font-weight:700;padding:8px 18px;border-radius:999px;
  background:linear-gradient(90deg,var(--pink),var(--violet));color:#fff;
  white-space:nowrap;
}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px;overflow:hidden;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;color:var(--gold);
  border:1px solid rgba(255,200,103,.4);border-radius:999px;
  padding:5px 14px;background:rgba(255,200,103,.07);margin-bottom:20px;
}
.hero h1{
  font-size:46px;line-height:1.22;font-weight:900;letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(92deg,#ff7aa8,var(--pink) 40%,var(--violet) 78%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--txt-2);font-size:16px;margin-top:18px;max-width:520px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.point{
  font-size:13px;color:#e8e2f7;padding:7px 14px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.dl-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn{
  display:inline-flex;flex-direction:column;justify-content:center;
  padding:12px 26px;border-radius:14px;min-width:158px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.btn:hover{transform:translateY(-3px);}
.btn small{font-size:11px;opacity:.72;letter-spacing:.5px;}
.btn b{font-size:15.5px;font-weight:800;line-height:1.35;}
.btn-android{background:linear-gradient(135deg,#3fe08c,#12a86b);color:#04231a;box-shadow:0 12px 30px -14px #23c97e;}
.btn-ios{background:linear-gradient(135deg,#f4f0ff,#c9c0e8);color:#1a1426;box-shadow:0 12px 30px -14px #cfc6ee;}
.btn-other{background:linear-gradient(135deg,var(--violet),#5a2bd0);color:#fff;box-shadow:0 12px 30px -14px #7b45e6;}
.hero-note{font-size:12.5px;color:var(--txt-2);margin-top:16px;}

.hero-collage{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
  transform:rotate(-2deg);
}
.hero-collage figure{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid rgba(255,255,255,.13);
  box-shadow:0 24px 50px -28px rgba(0,0,0,.95);
}
.hero-collage figure:nth-child(2){transform:translateY(26px);}
.hero-collage figure:nth-child(3){transform:translateY(-18px);}
.hero-collage img{width:100%;height:210px;object-fit:cover;}

/* ---------- section headings ---------- */
.sec-head{margin-bottom:36px;}
.sec-kicker{
  font-size:12.5px;letter-spacing:3px;color:var(--violet);
  text-transform:uppercase;font-weight:700;
}
.sec-head h2{font-size:30px;font-weight:900;margin-top:8px;letter-spacing:-.3px;}
.sec-head p{color:var(--txt-2);font-size:15px;margin-top:10px;max-width:640px;}

/* ---------- AI drama ---------- */
.ai-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;}
.ai-visual{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);}
.ai-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
.ai-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(11,10,16,.85));
}
.ai-visual figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13.5px;color:#efe9ff;
}
.ai-list{display:grid;gap:14px;}
.ai-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:14px;
  background:linear-gradient(135deg,rgba(155,92,255,.12),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.ai-item .num{
  font-size:13px;font-weight:900;color:var(--cyan);
  min-width:30px;padding-top:3px;
}
.ai-item h3{font-size:16px;font-weight:800;margin-bottom:4px;}
.ai-item p{font-size:14px;color:var(--txt-2);}

/* ---------- hot list ---------- */
.poster-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.poster-card{
  border-radius:16px;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease;
}
.poster-card:hover{transform:translateY(-6px);border-color:rgba(255,77,141,.45);}
.poster-figure{position:relative;overflow:hidden;}
.poster-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.rate{
  position:absolute;top:10px;right:10px;
  font-size:12px;font-weight:800;color:#20160a;
  background:linear-gradient(135deg,#ffd98a,var(--gold));
  padding:2px 9px;border-radius:8px;
}
.poster-body{padding:14px 15px 18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.poster-body h3{font-size:15.5px;font-weight:800;}
.poster-desc{font-size:13px;color:var(--txt-2);line-height:1.6;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;}
.tag{
  font-size:11.5px;padding:2px 9px;border-radius:6px;
  color:#d9cff5;background:rgba(155,92,255,.16);border:1px solid rgba(155,92,255,.28);
}
.date-line{font-size:11.5px;color:#8b83a6;letter-spacing:.3px;}

/* ---------- install steps ---------- */
.steps-band{
  background:linear-gradient(160deg,rgba(255,77,141,.09),rgba(57,216,255,.05));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  position:relative;padding:26px 20px 22px;border-radius:16px;
  background:rgba(16,13,26,.72);border:1px solid var(--line);
}
.step .big{
  font-size:34px;font-weight:900;line-height:1;
  background:linear-gradient(120deg,var(--pink),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--txt-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq{
  padding:20px 22px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line);
  border-left:3px solid var(--violet);
}
.faq h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:8px;}
.faq h3::before{content:"Q ";color:var(--gold);font-weight:900;}
.faq p{font-size:13.5px;color:var(--txt-2);}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  padding:22px;border-radius:16px;
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
}
.review .quote{font-size:14px;color:#ece6fb;line-height:1.75;}
.review .who{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,var(--pink),var(--violet));
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;
}
.who span{font-size:12.5px;color:var(--txt-2);}

/* ---------- privacy ---------- */
.privacy-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start;}
.privacy-visual{border-radius:20px;overflow:hidden;border:1px solid var(--line);}
.privacy-visual img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.qa-list{display:grid;gap:12px;}
.qa{
  padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.qa strong{display:block;font-size:14.5px;color:#fff;margin-bottom:5px;}
.qa strong::before{content:"问 · ";color:var(--cyan);}
.qa span{font-size:13.5px;color:var(--txt-2);}
.qa span::before{content:"答 · ";color:var(--pink);}

/* ---------- creator ---------- */
.creator{
  border-radius:24px;padding:44px 40px;
  background:
    radial-gradient(600px 300px at 88% 0%, rgba(255,77,141,.22), transparent 65%),
    linear-gradient(150deg,#1b1530,#13101f);
  border:1px solid rgba(255,255,255,.1);
}
.creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px;}
.creator-card{
  padding:22px;border-radius:14px;background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.creator-card h3{font-size:15.5px;font-weight:800;margin-bottom:8px;color:#fff;}
.creator-card p{font-size:13.5px;color:var(--txt-2);}
.creator-card .k{
  font-size:11.5px;letter-spacing:2px;color:var(--gold);font-weight:700;
  display:block;margin-bottom:10px;
}

/* ---------- community ---------- */
.comm-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.comm-card{
  display:flex;gap:16px;padding:22px;border-radius:16px;
  background:linear-gradient(140deg,rgba(57,216,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.comm-card img{width:78px;height:104px;border-radius:10px;object-fit:cover;flex-shrink:0;}
.comm-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.comm-card p{font-size:13.5px;color:var(--txt-2);}

/* ---------- download final ---------- */
.final{
  border-radius:26px;padding:48px 40px;
  background:
    radial-gradient(700px 340px at 10% 0%, rgba(155,92,255,.3), transparent 62%),
    radial-gradient(600px 320px at 95% 100%, rgba(255,77,141,.24), transparent 60%),
    #120f1e;
  border:1px solid rgba(255,255,255,.1);
  text-align:center;
}
.final h2{font-size:30px;font-weight:900;letter-spacing:-.3px;}
.final > p{color:var(--txt-2);font-size:15px;margin-top:12px;}
.final .dl-row{justify-content:center;margin-top:30px;}
.final-steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:38px;text-align:left;
}
.final-steps div{
  padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.final-steps strong{display:block;font-size:14px;color:#fff;margin-bottom:4px;}
.final-steps span{font-size:13px;color:var(--txt-2);}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:30px 0 40px;margin-top:20px;
}
.footer-inner{
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:#7e7894;
}
.footer-inner a{color:#8f8aa6;}
.footer-inner a:hover{color:#c7c0e0;}
.footer-meta{display:flex;flex-wrap:wrap;gap:6px 18px;}

/* ---------- breakpoints ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:38px;}
  .hero-collage{grid-template-columns:repeat(3,1fr);transform:none;}
  .hero-collage figure:nth-child(2),
  .hero-collage figure:nth-child(3){transform:none;}
  .hero-collage img{height:170px;}
  .poster-grid{grid-template-columns:repeat(3,1fr);}
  .ai-layout{grid-template-columns:1fr;}
  .ai-visual img{aspect-ratio:16/10;}
  .privacy-layout{grid-template-columns:1fr;}
  .privacy-visual img{aspect-ratio:16/10;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .creator-grid{grid-template-columns:repeat(2,1fr);}
  .final-steps{grid-template-columns:1fr;}
}
@media (max-width:767px){
  section{padding:52px 0;}
  .header-inner{padding:10px 0;gap:10px;}
  .nav{order:3;width:100%;justify-content:flex-start;}
  .nav a{font-size:12.5px;padding:5px 8px;}
  .hero{padding:44px 0 28px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:14.5px;}
  .hero-collage{grid-template-columns:repeat(2,1fr);gap:10px;}
  .hero-collage img{height:140px;}
  .btn{flex:1 1 100%;min-width:0;align-items:flex-start;}
  .sec-head h2{font-size:23px;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .poster-body h3{font-size:14px;}
  .poster-desc{font-size:12.5px;}
  .faq-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .creator{padding:28px 20px;}
  .creator-grid{grid-template-columns:1fr;}
  .comm-grid{grid-template-columns:1fr;}
  .final{padding:32px 20px;}
  .final h2{font-size:23px;}
  .comm-card img{width:64px;height:86px;}
}