:root{--yellow:#ffb300;--yellow-deep:#f57c00;--ink:#1c1a17;--ink-soft:#4a453e;--paper:#fffdf7;--paper-2:#fff6e2;--night:#151327;--night-2:#221f3d;--pink:#ff5f8f;--mint:#12b886;--blue:#3b82f6;--line:rgba(28,26,23,.12);--radius:18px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.3;font-weight:800}
.wrap{width:min(1180px,92%);margin:0 auto}
.sec{padding:64px 0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;font-weight:700;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.sec-title{font-size:clamp(23px,3.4vw,34px);margin-bottom:10px}
.sec-sub{color:var(--ink-soft);font-size:15px;max-width:720px}

/* ---------- header ---------- */
header.site-head{position:sticky;top:0;z-index:60;background:rgba(255,253,247,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-bar{display:flex;align-items:center;gap:18px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:36px;width:36px;object-fit:cover;border-radius:10px;box-shadow:0 4px 14px rgba(245,124,0,.28)}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--yellow-deep)}
.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 13px;font-size:14px;font-weight:700;color:var(--ink);cursor:pointer}
nav.main-nav{margin-left:auto}
nav.main-nav ul{display:flex;flex-wrap:wrap;gap:4px;list-style:none}
nav.main-nav a{display:block;padding:7px 11px;font-size:14px;font-weight:600;color:var(--ink-soft);border-radius:10px;transition:color .2s,background .2s}
nav.main-nav a:hover,nav.main-nav a:focus-visible{color:#fff;background:linear-gradient(120deg,var(--yellow),var(--yellow-deep))}

/* ---------- hero ---------- */
.hero{position:relative;padding:52px 0 0;background:
radial-gradient(900px 420px at 12% -10%,rgba(255,179,0,.30),transparent 70%),
radial-gradient(700px 400px at 92% 10%,rgba(255,95,143,.22),transparent 72%),
linear-gradient(180deg,#fffaf0,#fffdf7)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.hero-tags span{font-size:12.5px;font-weight:700;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.hero h1{font-size:clamp(27px,4.4vw,46px);letter-spacing:-.01em}
.hero h1 mark{background:linear-gradient(180deg,transparent 58%,rgba(255,179,0,.55) 58%);color:inherit}
.hero-lead{margin-top:16px;font-size:16px;color:var(--ink-soft);max-width:560px}
.hero-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:12px 20px;border-radius:999px;font-size:15px;font-weight:800;line-height:1.2;transition:transform .18s,box-shadow .18s,background .18s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn-main{background:linear-gradient(120deg,var(--yellow),var(--yellow-deep));color:#241a00;box-shadow:0 10px 26px rgba(245,124,0,.32)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.hero-note{margin-top:14px;font-size:13px;color:#7a736a}
.hero-visual{position:relative;min-height:340px}
.hero-stage{position:relative;height:100%;border-radius:26px;overflow:hidden;box-shadow:0 24px 54px rgba(28,26,23,.20);background:#000}
.hero-stage img{width:100%;height:100%;min-height:340px;object-fit:cover}
.hero-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.72))}
.hero-cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff}
.hero-cap b{display:block;font-size:18px}
.hero-cap small{font-size:12.5px;opacity:.85}
.hero-float{position:absolute;top:14px;right:14px;z-index:2;display:flex;flex-direction:column;gap:9px}
.hero-float img{width:62px;height:84px;object-fit:cover;border-radius:10px;border:2px solid rgba(255,255,255,.85);box-shadow:0 8px 20px rgba(0,0,0,.35);transition:transform .25s}
.hero-float img:hover{transform:translateY(-4px) rotate(-2deg)}

/* marquee */
.marquee{margin-top:44px;background:linear-gradient(90deg,var(--night),var(--night-2));overflow:hidden;padding:13px 0;border-top:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;gap:34px;width:max-content;animation:scrollX 46s linear infinite}
.marquee-track span{font-size:15px;font-weight:800;white-space:nowrap;background:linear-gradient(90deg,#ffd54f,#ff5f8f,#7ee8fa,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.marquee-track span::after{content:"◆";margin-left:34px;font-size:10px;color:#ffb300;-webkit-text-fill-color:#ffb300}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- classic ---------- */
.classic{background:var(--paper-2)}
.classic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin-top:30px}
.p-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid rgba(245,124,0,.18);transition:transform .22s,box-shadow .22s}
.p-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px rgba(180,110,0,.16)}
.p-card img{width:100%;aspect-ratio:3/4;object-fit:cover}
.p-card-body{padding:12px 13px 15px}
.p-card-body h3{font-size:15.5px;margin-bottom:5px}
.p-card-body p{font-size:12.5px;color:#6f685e;min-height:38px}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.meta i{font-style:normal;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#fff3dc;color:#a56700}

/* ---------- night ---------- */
.night{background:linear-gradient(180deg,#17142a,#241f42 60%,#1b1830);color:#efeaff}
.night .sec-sub{color:#b6aed6}
.night .eyebrow{background:rgba(167,139,250,.16);color:#c9b6ff}
.night-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start;margin-top:30px}
.night-poster{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 20px 46px rgba(0,0,0,.5)}
.night-poster img{width:100%;aspect-ratio:3/4;object-fit:cover}
.night-poster .np-cap{position:absolute;inset:auto 0 0 0;padding:16px;background:linear-gradient(180deg,transparent,rgba(10,8,24,.92));font-size:13px;color:#d9d1f5}
.timeline{list-style:none;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#a78bfa,#ff5f8f)}
.timeline li{position:relative;padding:0 0 20px 0}
.timeline li::before{content:"";position:absolute;left:-26px;top:8px;width:16px;height:16px;border-radius:50%;background:#241f42;border:2px solid #a78bfa;box-shadow:0 0 0 4px rgba(167,139,250,.14)}
.timeline time{display:inline-block;font-size:13px;font-weight:800;color:#ffd54f;letter-spacing:.06em;margin-right:8px}
.timeline b{font-size:15px;display:inline}
.timeline p{font-size:13px;color:#aaa1c9;margin-top:3px}

/* ---------- original / ip ---------- */
.ip{background:linear-gradient(180deg,#fffdf7,#f2f9f5)}
.ip-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between}
.q-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:28px}
.qa{background:#fff;border-radius:16px;padding:18px 20px;border-left:5px solid var(--mint);box-shadow:0 8px 20px rgba(18,184,134,.09)}
.qa h3{font-size:15.5px;color:#0d7a5b;margin-bottom:6px}
.qa h3::before{content:"问 ";font-weight:800;color:var(--mint)}
.qa p{font-size:13.5px;color:#57524b}
.qa p::before{content:"答 ";font-weight:800;color:#0d7a5b}

/* ---------- episodes ---------- */
.episodes{background:#fffdf7}
.ep-scroll{display:flex;gap:16px;overflow-x:auto;padding:28px 4px 18px;scroll-snap-type:x mandatory}
.ep-scroll::-webkit-scrollbar{height:8px}
.ep-scroll::-webkit-scrollbar-thumb{background:#ffcf7a;border-radius:99px}
.ep{flex:0 0 190px;scroll-snap-align:start;background:#fff;border-radius:16px;border:1px solid var(--line);overflow:hidden}
.ep img{width:100%;aspect-ratio:3/4;object-fit:cover}
.ep-info{padding:11px 13px 14px}
.ep-info b{font-size:14.5px;display:block}
.ep-info span{font-size:12px;color:#7a736a}
.ep-info .score{float:right;font-size:12px;font-weight:800;color:#b26a00}

/* ---------- AI ---------- */
.ai{background:linear-gradient(135deg,#eef4ff,#f7f0ff 55%,#eefaf6)}
.ai-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start;margin-top:26px}
.ai-steps{list-style:none;display:grid;gap:12px}
.ai-steps li{display:grid;grid-template-columns:44px 1fr;gap:13px;background:#fff;border-radius:14px;padding:15px 17px;border:1px solid rgba(59,130,246,.16)}
.ai-steps b{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:linear-gradient(140deg,#3b82f6,#8b5cf6);color:#fff;font-size:16px}
.ai-steps h3{font-size:15px;margin-bottom:3px}
.ai-steps p{font-size:13px;color:#5d6470}
.ai-figs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ai-figs figure{background:#fff;border-radius:14px;overflow:hidden;border:1px solid rgba(59,130,246,.16)}
.ai-figs img{width:100%;aspect-ratio:3/4;object-fit:cover}
.ai-figs figcaption{font-size:12px;padding:8px 10px;color:#5d6470}

/* ---------- reviews ---------- */
.reviews{background:linear-gradient(180deg,#fff4f7,#fffdf7)}
.rev-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:15px;margin-top:28px}
.rev{background:#fff;border-radius:16px;padding:16px;border:1px solid rgba(255,95,143,.18);display:grid;grid-template-columns:40px 1fr;gap:11px}
.rev img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid #ffd3e0}
.rev strong{font-size:13.5px;display:block}
.rev small{font-size:11.5px;color:#a49a92}
.rev p{font-size:13.5px;color:#4a453e;margin-top:5px;grid-column:1/-1}

/* ---------- safety ---------- */
.safety{background:#101c17;color:#e7fff5}
.safety .sec-sub{color:#a7c7ba}
.safety .eyebrow{background:rgba(18,184,134,.18);color:#7ff0c4}
.safe-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin-top:28px}
.safe-card{background:rgba(255,255,255,.05);border:1px solid rgba(18,184,134,.28);border-radius:16px;padding:18px}
.safe-card h3{font-size:15.5px;color:#8ff3c9;margin-bottom:6px}
.safe-card p{font-size:13.5px;color:#bcd8cd}

/* ---------- feedback ---------- */
.feedback{background:linear-gradient(180deg,#fffdf7,#fff5e0)}
.fb-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;margin-top:26px}
.fb-card{background:#fff;border-radius:18px;padding:22px;border:1px solid rgba(245,124,0,.2);box-shadow:0 10px 26px rgba(180,110,0,.08)}
.fb-card h3{font-size:16px;margin-bottom:8px}
.fb-card p{font-size:13.5px;color:#5f584f}
.fb-list{list-style:none;display:grid;gap:10px;margin-top:14px}
.fb-list li{font-size:13.5px;padding-left:20px;position:relative;color:#4a453e}
.fb-list li::before{content:"→";position:absolute;left:0;color:var(--yellow-deep);font-weight:800}
.fb-flow{display:grid;gap:11px}
.fb-step{background:#fff;border-radius:14px;padding:14px 16px;border:1px dashed rgba(245,124,0,.4);display:grid;grid-template-columns:32px 1fr;gap:11px;align-items:start}
.fb-step b{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:var(--yellow);color:#3a2a00;font-size:14px}
.fb-step span{font-size:13.5px;color:#57524b}

/* ---------- download ---------- */
.download{background:linear-gradient(150deg,#1b1830,#2b2450 60%,#1c2b2a);color:#f2eeff;padding-bottom:72px}
.download .sec-sub{color:#bcb3dd}
.dl-platforms{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:30px}
.dl-plat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px;transition:transform .2s,border-color .2s}
.dl-plat:hover{transform:translateY(-4px);border-color:#ffd54f}
.dl-plat b{font-size:15.5px;color:#ffd54f;display:block;margin-bottom:4px}
.dl-plat p{font-size:13px;color:#c9c2e2;margin-bottom:12px}
.dl-plat .btn{width:100%;font-size:14px}
.install{margin-top:34px;background:rgba(255,255,255,.05);border-radius:18px;padding:22px;border:1px solid rgba(255,255,255,.12)}
.install h3{font-size:17px;color:#ffd54f;margin-bottom:12px}
.install ol{list-style:none;counter-reset:s;display:grid;gap:10px}
.install li{counter-increment:s;position:relative;padding-left:36px;font-size:13.5px;color:#d4cee9}
.install li::before{content:counter(s);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:#ffd54f;color:#241a00;font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center}

/* ---------- floating ---------- */
.float-dl{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:80;display:flex;align-items:center;gap:9px;background:linear-gradient(120deg,var(--yellow),var(--yellow-deep));color:#241a00;font-weight:800;font-size:14px;padding:10px 18px 10px 11px;border-radius:999px;box-shadow:0 12px 30px rgba(245,124,0,.42)}
.float-dl img{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid #fff}
.float-dl:hover{filter:brightness(1.05)}

/* ---------- footer ---------- */
footer.site-foot{background:#0f0e18;color:#8e88a5;padding:34px 0 58px;font-size:12.5px}
.foot-top{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand{max-width:360px}
.foot-brand strong{color:#e8e3f7;font-size:14px;display:block;margin-bottom:6px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.foot-links a:hover{color:#ffd54f}
.foot-bottom{padding-top:16px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
.foot-bottom a{color:#a9a2c2}
.foot-bottom a:hover{color:#ffd54f}

/* ---------- copy toast ---------- */
.copy-box{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(12,10,20,.62);padding:20px}
.copy-box.on{display:flex}
.copy-inner{width:min(420px,100%);background:#fff;color:var(--ink);border-radius:18px;padding:22px}
.copy-inner h3{font-size:16.5px;margin-bottom:8px}
.copy-inner p{font-size:13.5px;color:#5f584f}
.copy-url{margin:13px 0;background:#fff7e6;border:1px dashed #ffcf7a;border-radius:10px;padding:11px;font-size:12.5px;word-break:break-all;color:#8a5200}
.copy-btns{display:flex;gap:10px}
.copy-btns .btn{flex:1;font-size:14px;padding:11px 12px}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-visual{min-height:0}
  .hero-stage img{min-height:280px}
  .night-grid,.ai-layout,.fb-layout{grid-template-columns:1fr}
  .night-poster img{aspect-ratio:16/10}
  .sec{padding:52px 0}
}
@media (max-width:767px){
  .nav-toggle{display:block}
  nav.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fffdf7;border-bottom:1px solid var(--line);padding:10px 4%;box-shadow:0 14px 26px rgba(0,0,0,.08)}
  nav.main-nav.open{display:block}
  nav.main-nav ul{flex-direction:column;gap:2px}
  nav.main-nav a{padding:11px 12px;font-size:15px;border-radius:9px}
  .brand-name{font-size:17px}
  .brand img{height:30px;width:30px}
  .hero{padding-top:34px}
  .hero-actions .btn{flex:1 1 calc(50% - 5px);padding:12px 10px;font-size:14px}
  .hero-float{flex-direction:row;top:auto;bottom:12px;right:12px}
  .hero-float img{width:46px;height:62px}
  .hero-cap{bottom:78px}
  .marquee-track span{font-size:13.5px}
  .sec{padding:42px 0}
  .classic-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .p-card-body h3{font-size:14px}
  .ep{flex:0 0 150px}
  .rev-wall{grid-template-columns:1fr}
  .ai-figs{grid-template-columns:1fr 1fr}
  .float-dl{font-size:13px;padding:9px 15px 9px 10px}
  footer.site-foot{padding-bottom:80px}
  .copy-btns{flex-direction:column}
}