:root{
  --peach:#ff8a3d;
  --peach-deep:#e85d04;
  --peach-soft:#fff3e8;
  --ink:#221a17;
  --ink-2:#574a43;
  --cream:#fffaf5;
  --line:rgba(34,26,23,.12);
  --violet:#3b2a5a;
  --night:#151022;
  --mint:#0f3f38;
  --rose:#4a1226;
  --shadow:0 14px 34px rgba(34,26,23,.10);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.7;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{line-height:1.3;font-weight:800;}
h2{font-size:clamp(1.4rem,3vw,2rem);}
h3{font-size:1.06rem;}
p{color:var(--ink-2);}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:64px 0;position:relative;}
.eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.14em;
  color:var(--peach-deep);font-weight:700;margin-bottom:12px;
}
.lead{max-width:640px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,250,245,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{height:32px;width:32px;object-fit:cover;border-radius:9px;}
.brand span{font-weight:800;font-size:1.05rem;letter-spacing:.02em;}
.nav-toggle{
  display:none;background:var(--peach-soft);border:1px solid var(--line);
  border-radius:10px;padding:8px 14px;font-size:.9rem;font-weight:700;
  color:var(--peach-deep);cursor:pointer;font-family:inherit;
}
.main-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px;}
.main-nav a{
  display:block;padding:8px 11px;border-radius:9px;
  font-size:.9rem;font-weight:600;color:var(--ink-2);
  transition:color .2s,background .2s,transform .2s;
  white-space:nowrap;
}
.main-nav a:hover,.main-nav a:focus-visible{
  color:#fff;background:linear-gradient(120deg,var(--peach),var(--peach-deep));
  transform:translateY(-1px);
}

/* ---------- hero ---------- */
.hero{
  padding:52px 0 0;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(255,138,61,.22),transparent 65%),
    radial-gradient(760px 400px at 92% 8%,rgba(59,42,90,.16),transparent 62%),
    linear-gradient(180deg,#fff7ee 0%,var(--cream) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:40px;align-items:center;
}
.hero h1{font-size:clamp(1.75rem,4.4vw,2.9rem);letter-spacing:-.01em;}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(110deg,var(--peach-deep),#b1389b);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-text p{margin-top:16px;font-size:1.02rem;max-width:520px;}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-points li{
  font-size:.84rem;font-weight:700;color:var(--peach-deep);
  background:#fff;border:1px solid rgba(232,93,4,.24);
  padding:6px 13px;border-radius:999px;
}
.dl-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:14px;
  font-weight:800;font-size:.95rem;
  transition:transform .2s,box-shadow .2s,filter .2s;
  box-shadow:var(--shadow);
}
.btn svg{width:19px;height:19px;flex-shrink:0;}
.btn-android{background:linear-gradient(135deg,#4caf50,#1f7a3d);color:#fff;}
.btn-ios{background:linear-gradient(135deg,#3a3a4a,#15151f);color:#fff;}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06);}
.hero-note{font-size:.8rem;color:#8a7a71;margin-top:12px;}

/* hero visual */
.hero-visual{position:relative;}
.poster-main{
  border-radius:22px;overflow:hidden;box-shadow:0 26px 50px rgba(34,26,23,.22);
  transform:rotate(-1.4deg);
}
.poster-main img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.poster-float{
  position:absolute;border-radius:14px;overflow:hidden;
  box-shadow:0 16px 32px rgba(34,26,23,.24);
  border:3px solid #fff;
}
.poster-float img{width:100%;height:100%;object-fit:cover;}
.pf-a{width:105px;height:140px;right:-8px;top:26px;transform:rotate(4deg);}
.pf-b{width:92px;height:122px;left:-16px;bottom:-26px;transform:rotate(-5deg);}

/* marquee */
.marquee{
  margin-top:46px;
  background:linear-gradient(90deg,#1b1024,#3a1226 45%,#1b1024);
  overflow:hidden;padding:13px 0;white-space:nowrap;
}
.marquee-track{
  display:inline-block;animation:slide 32s linear infinite;
}
.marquee-track span{
  display:inline-block;padding:0 26px;
  font-weight:800;font-size:.95rem;letter-spacing:.06em;
  background:linear-gradient(90deg,#ffd166,#ff8a3d,#ff4d9d,#c084fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.marquee-track span::after{content:"·";padding-left:26px;color:#8b6a9e;-webkit-text-fill-color:#8b6a9e;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- classic ---------- */
.sec-classic{background:#fffaf5;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px;}
.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);}
.card img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.card-body{padding:14px 15px 16px;}
.card-body h3{margin-bottom:6px;}
.card-body p{font-size:.85rem;margin-bottom:9px;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px;}
.tag{
  font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:6px;
  background:var(--peach-soft);color:var(--peach-deep);
}
.date{font-size:.72rem;color:#9c8c83;}
.intro-line{font-size:.84rem;color:var(--ink-2);}

/* ---------- night ---------- */
.sec-night{background:linear-gradient(180deg,var(--night),#241436);color:#f4ecff;}
.sec-night h2,.sec-night h3{color:#fff;}
.sec-night .eyebrow{color:#ff9ecb;}
.sec-night p{color:#c7b8d8;}
.timeline{margin-top:34px;position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:15px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#ff6fae,#8b5cf6,transparent);
}
.tl-item{
  display:grid;grid-template-columns:76px 1fr;gap:18px;
  padding:13px 0;position:relative;
}
.tl-time{
  font-weight:800;font-size:.86rem;color:#ffd0e4;
  padding-left:26px;position:relative;
}
.tl-time::before{
  content:"";position:absolute;left:6px;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:#ff6fae;box-shadow:0 0 0 4px rgba(255,111,174,.2);
}
.tl-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:12px 16px;
}
.tl-box h3{font-size:.98rem;margin-bottom:4px;}
.tl-box p{font-size:.84rem;}

/* ---------- original / book ---------- */
.sec-book{background:linear-gradient(180deg,#eef6f2,#e2efe8);}
.book-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;margin-top:28px;}
.book-hero{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);}
.book-hero img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.book-list{display:grid;gap:12px;}
.book-item{
  background:#fff;border-radius:14px;padding:14px 16px;
  border-left:5px solid #2f8f6f;box-shadow:0 8px 20px rgba(15,63,56,.07);
}
.book-item h3{font-size:.95rem;margin-bottom:3px;color:#0f3f38;}
.book-item p{font-size:.83rem;}

/* ---------- all drama ---------- */
.sec-all{background:#fff6e9;}
.scroll-row{
  display:grid;grid-auto-flow:column;grid-auto-columns:190px;
  gap:16px;overflow-x:auto;padding:26px 4px 18px;
  scroll-snap-type:x mandatory;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:var(--peach);border-radius:4px;}
.s-item{scroll-snap-align:start;}
.s-item img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px;box-shadow:var(--shadow);}
.s-item h3{font-size:.9rem;margin-top:9px;}
.s-item span{font-size:.74rem;color:#9c8c83;}

/* ---------- AI zone ---------- */
.sec-ai{background:linear-gradient(160deg,#1d2a55,#2a1740 70%,#3a1226);color:#eef1ff;}
.sec-ai h2,.sec-ai h3{color:#fff;}
.sec-ai p{color:#b9c2e2;}
.sec-ai .eyebrow{color:#8fd3ff;}
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px;}
.ai-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;overflow:hidden;transition:transform .25s;
}
.ai-card:hover{transform:translateY(-4px);}
.ai-card img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.ai-card div{padding:12px 14px 15px;}
.ai-card h3{font-size:.95rem;margin-bottom:5px;}
.ai-card p{font-size:.82rem;}

/* ---------- comments ---------- */
.sec-comments{background:#fdf2f6;}
.cm-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px;}
.cm{
  background:#fff;border-radius:16px;padding:16px 18px;
  box-shadow:0 8px 22px rgba(74,18,38,.07);
  border:1px solid rgba(74,18,38,.08);
}
.cm-top{display:flex;align-items:center;gap:10px;margin-bottom:7px;}
.avatar{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#ffb4a2,#b1389b);
  color:#fff;font-size:.8rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.cm-name{font-size:.86rem;font-weight:800;color:#4a1226;}
.cm p{font-size:.86rem;}
.stars{font-size:.74rem;color:#e07b39;margin-top:6px;letter-spacing:1px;}

/* ---------- safety / faq ---------- */
.sec-safety{background:#eef4ff;}
.faq{display:grid;gap:12px;margin-top:26px;}
.faq details{
  background:#fff;border-radius:14px;padding:14px 18px;
  border:1px solid rgba(29,42,85,.1);box-shadow:0 6px 18px rgba(29,42,85,.05);
}
.faq summary{
  cursor:pointer;font-weight:800;font-size:.94rem;color:#1d2a55;
  list-style:none;display:flex;justify-content:space-between;gap:12px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"＋";color:#4a6fa5;font-weight:800;}
.faq details[open] summary::after{content:"－";}
.faq details p{font-size:.86rem;margin-top:9px;}

/* ---------- feedback ---------- */
.sec-feedback{background:linear-gradient(180deg,#fffaf5,#fff1e2);}
.fb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;}
.fb{
  background:#fff;border-radius:14px;padding:18px;
  border:1px solid rgba(232,93,4,.14);
}
.fb h3{font-size:.95rem;margin-bottom:6px;color:var(--peach-deep);}
.fb p{font-size:.84rem;}
.fb-note{
  margin-top:22px;background:#fff;border-radius:14px;padding:16px 20px;
  border:1px dashed rgba(232,93,4,.35);font-size:.86rem;
}

/* ---------- download ---------- */
.sec-download{
  background:linear-gradient(150deg,#2a1740,#3a1226 60%,#1b1024);
  color:#fff;
}
.sec-download h2,.sec-download h3{color:#fff;}
.sec-download p{color:#d5c6e0;}
.sec-download .eyebrow{color:#ffb478;}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;}
.step{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:16px;padding:18px;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;font-weight:800;font-size:.85rem;
  background:linear-gradient(135deg,#ffb478,#ff6fae);color:#2a1740;margin-bottom:9px;
}
.step p{font-size:.84rem;}
.dl-panel{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
}
.dl-panel .btn{box-shadow:0 16px 34px rgba(0,0,0,.35);}

/* ---------- footer ---------- */
.site-footer{
  background:#150f1c;color:#8e8299;
  padding:30px 0 34px;font-size:.78rem;
}
.site-footer p{margin-bottom:6px;color:#8e8299;}
.site-footer a{color:#a99cba;}
.site-footer a:hover{color:#ffb478;}
.foot-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}

/* ---------- floating ---------- */
.float-dl{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
  z-index:90;display:flex;align-items:center;gap:10px;
  background:linear-gradient(120deg,#ff8a3d,#e85d04);
  color:#fff;font-weight:800;font-size:.9rem;
  padding:10px 20px;border-radius:999px;
  box-shadow:0 12px 28px rgba(232,93,4,.42);
  transition:transform .2s;
}
.float-dl img{height:26px;width:26px;border-radius:7px;object-fit:cover;}
.float-dl:hover{transform:translateX(-50%) translateY(-2px);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{max-width:420px;margin:0 auto;width:100%;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .ai-grid{grid-template-columns:repeat(2,1fr);}
  .book-layout{grid-template-columns:1fr;}
  .book-hero{max-width:400px;}
  .fb-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .cm-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  section{padding:46px 0;}
  .nav-toggle{display:inline-block;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fffaf5;border-bottom:1px solid var(--line);
    padding:10px 16px 16px;display:none;
    box-shadow:0 14px 24px rgba(34,26,23,.08);
  }
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column;gap:2px;}
  .main-nav a{padding:11px 12px;font-size:.92rem;}
  .brand img{height:30px;width:30px;}
  .hero{padding-top:36px;}
  .hero-points li{font-size:.78rem;padding:5px 11px;}
  .btn{padding:12px 18px;font-size:.9rem;flex:1 1 auto;justify-content:center;}
  .grid-4{grid-template-columns:1fr 1fr;gap:14px;}
  .ai-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .fb-grid{grid-template-columns:1fr;}
  .scroll-row{grid-auto-columns:150px;}
  .tl-item{grid-template-columns:1fr;gap:6px;}
  .tl-time{padding-left:26px;}
  .poster-float{display:none;}
  .float-dl{font-size:.84rem;padding:9px 17px;bottom:12px;}
  .foot-row{flex-direction:column;align-items:flex-start;gap:8px;}
  .card-body p{font-size:.82rem;}
}
@media (max-width:400px){
  .grid-4,.ai-grid{grid-template-columns:1fr;}
}