:root{
  --ink:#090806;--panel:#15120d;--cream:#fdf5e4;--muted:#b7ab94;--yellow:#efd08a;--line:#b890413d;
  --display:"Songti SC","STSong","Noto Serif CJK SC",serif;--body:"PingFang SC","Microsoft YaHei",sans-serif;
  --gutter:clamp(22px,5vw,76px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--ink);color:var(--cream);font:15px/1.75 var(--body)}
body.modal-open{overflow:hidden}
[hidden]{display:none!important}
button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
h1,h2,h3,p{overflow-wrap:anywhere}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}
::selection{background:var(--yellow);color:var(--ink)}
.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-160%);z-index:150;background:var(--yellow);color:var(--ink);padding:12px}
.skip-link:focus{transform:none}
.site-header{height:88px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px;position:sticky;top:0;z-index:50;background:#090806f5;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{border-radius:11px}.brand span{display:grid}
.brand b{font-size:21px;letter-spacing:.08em}.brand small{font-size:8px;letter-spacing:.2em;color:var(--yellow)}
.nav{display:flex;align-items:center;gap:28px;font-size:14px}.nav a:hover{color:var(--yellow)}
.mobile-section-nav{display:none}
.nav-cta,.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:12px 28px;border:1px solid #d3a855;border-radius:10px;font-weight:600;line-height:1.5}
.nav-cta,.primary-btn{background:linear-gradient(125deg,#f7d783,#d5a54e);color:#211605;box-shadow:inset 0 1px #fff7d28c,0 6px 25px #b9902520}
.nav-cta{min-height:42px;padding:10px 20px}
.primary-btn:hover,.nav-cta:hover{background:linear-gradient(125deg,#ffe7a5,#e8ba60)}
.secondary-btn{background:linear-gradient(#292214,#100e0a);color:var(--yellow)}
.secondary-btn:hover{border-color:#ffe9b8}
.mobile-header-download{display:none}
.download-icon{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#211605;color:var(--yellow);font-size:20px;line-height:1}
.hero{position:relative;isolation:isolate;overflow:hidden;text-align:center;padding:330px 24px 68px;background:radial-gradient(ellipse at 50% 40%,#5b411920,transparent 70%)}
.hero-art{position:absolute;inset:0 0 auto;height:680px;z-index:-3;background:url("assets/adult-ai-hero-v1.png") 65% 36%/cover no-repeat}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--ink) 0%,#09080645 55%,#09080620)}
.film-ribbon{position:absolute;width:130%;height:110px;top:285px;left:-15%;border-block:1px solid #d6b45d42;transform:rotate(-12deg);z-index:-1;opacity:.45;background:repeating-linear-gradient(90deg,transparent 0 32px,#a7813340 32px 47px,transparent 47px 54px) top/100% 9px repeat-x;box-shadow:0 -2px 36px #c7a24615}
.hero-copy{max-width:900px;margin:auto}
.eyebrow,.kicker{font-size:10px;letter-spacing:.25em;color:var(--yellow);font-weight:500}
.hero h1{font:900 clamp(66px,8vw,112px)/1.1 var(--display);letter-spacing:.08em;margin:10px 0 0;background:linear-gradient(#fffce9 5%,#dfbd70 48%,#ffeab1 70%,#a47529);color:#efd08a;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 5px 10px #000)}
.hero-script{font:italic 30px/1.3 Georgia,serif;color:#d5ae56;margin:8px 0 22px;letter-spacing:.03em}
.hero h2{font:500 23px/1.5 var(--body);letter-spacing:.22em;margin:0}
.hero-description{font-size:14px;letter-spacing:.08em;color:#d8ccb5;margin:16px 0 26px}
.hero-actions{display:flex;gap:16px;justify-content:center}
.device-note{font-size:11px;color:var(--muted);margin:14px 0 0}
.section{padding:76px var(--gutter);max-width:1320px;margin:auto}
.highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:30px 42px;border-bottom:1px solid var(--line)}
.highlights article,.experience-features article{display:flex;align-items:center;gap:20px}
.highlights article{justify-content:center;padding:0 18px;border-right:1px solid var(--line)}.highlights article:last-child{border:0}
.feature-icon{display:grid;place-items:center;border:1px solid #d3ad58;border-radius:50%;width:58px;height:58px;flex-shrink:0;color:var(--yellow);font:32px/1 Georgia,serif;box-shadow:inset 0 0 10px #cf9f2730,0 0 14px #dbb15012}
.highlights h3,.experience-features h3{font-size:18px;font-weight:500;color:var(--yellow);margin:0 0 4px}
.highlights p,.experience-features p{font-size:12px;color:var(--muted);margin:0}
.section-heading{text-align:center;margin-bottom:40px}
.section-heading h2{display:flex;justify-content:center;align-items:center;gap:24px}
.section-heading h2::before,.section-heading h2::after{content:"";height:1px;width:clamp(30px,8vw,120px);background:linear-gradient(90deg,transparent,#cda44f)}
.section-heading h2::after{transform:rotate(180deg)}
h2{font:600 clamp(30px,3.6vw,44px)/1.4 var(--display);margin:10px 0;color:var(--yellow);letter-spacing:.06em}
.section-heading>p:last-child{color:var(--muted);font-size:13px;margin-bottom:0}
.genre-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.genre-card{overflow:hidden;border:1px solid #b68b4075;border-radius:16px;background:#13100b;padding:0;display:block;text-align:center;width:100%;align-self:start}
.genre-card img{display:block;width:100%;height:auto}
.genre-card>div{padding:14px 8px}
.genre-card h3{font:600 23px/1.4 var(--display);color:var(--yellow);margin:0}
.genre-card p{font-size:12px;color:#d5c9b3;margin:5px 0}
.genre-card:hover{border-color:var(--yellow)}
.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:44px 0 22px}
.catalog-toolbar>h3{font:500 24px var(--display);color:var(--yellow);margin:0;white-space:nowrap}
.promo-showcase{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.promo-poster{align-self:start;min-width:0;padding:0;border:0;background:transparent;text-align:left;color:var(--text)}
.promo-poster img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:12px}
.promo-poster span{display:block;margin-top:10px;font-size:14px;line-height:1.5}
@media(max-width:760px){.promo-showcase{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}}
.catalog-actions{text-align:center;margin-top:26px}.catalog-actions button{min-width:200px}
.section-note{text-align:center;color:var(--muted);font-size:11px;margin-top:20px}
.experience{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:80px;border-block:1px solid var(--line);background:radial-gradient(ellipse at 80% 50%,#b3862010,transparent 70%)}
.experience-lead{color:var(--muted);margin-bottom:32px}
.experience-features{display:grid;gap:28px;margin:30px 0 40px}.experience-features article{align-items:flex-start}.experience-features p{max-width:340px}
.phone-scene{text-align:center;transform:rotate(5deg);max-width:300px;width:100%;margin:auto}
.phone-frame{height:550px;border:5px solid #403724;outline:1px solid #a1864e;border-radius:38px;background:#12100c;overflow:hidden;position:relative;box-shadow:0 25px 60px #000}
.phone-island{position:absolute;top:9px;left:50%;transform:translateX(-50%);height:17px;width:80px;border-radius:20px;background:#000;z-index:2}
.phone-top{display:flex;align-items:center;gap:8px;position:absolute;top:40px;left:14px;z-index:2;font-size:13px;color:white}
.phone-top img{border-radius:5px}.phone-poster{width:100%;height:100%;object-position:65% center;opacity:.8}
.phone-caption{position:absolute;bottom:55px;left:0;right:0;padding:80px 18px 18px;background:linear-gradient(transparent,#090806);display:grid;text-align:left;gap:6px}
.phone-caption strong{font-size:19px;line-height:1.4}.phone-caption small{color:var(--yellow);font-size:8px;letter-spacing:.1em}.phone-caption span{font-size:10px}
.phone-bottom{position:absolute;bottom:0;height:50px;left:0;right:0;background:#141009;display:flex;justify-content:space-around;align-items:center;font-size:10px;color:var(--muted)}.phone-bottom b{color:var(--yellow);font-weight:400}
.phone-scene>p{font-size:10px;color:var(--muted);margin-top:20px}
.about{text-align:center}.about-description{color:var(--muted);font-size:14px;line-height:2.2}
.about-tags{display:flex;justify-content:center;align-items:center;gap:25px;color:var(--yellow);font-size:13px;margin-top:30px}.about-tags i{width:4px;height:4px;background:var(--yellow);transform:rotate(45deg)}
.download-section{display:flex;justify-content:space-between;align-items:center;gap:40px;border-top:1px solid var(--line);background:radial-gradient(ellipse at 50% 100%,#b3862014,transparent 65%)}
.download-copy>img{border-radius:14px;margin-bottom:22px}.download-copy>p{color:var(--muted)}.download-copy>.kicker{color:var(--yellow)}
.download-copy h2{font-size:36px}.download-copy h2 span{display:block}
.platform-links{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 18px}
.install-note{font-size:12px;color:var(--muted);line-height:1.9}
.download-scan{text-align:center;flex-shrink:0;padding:28px;border:1px solid var(--line);border-radius:14px}
.download-qr{background:white;padding:8px;border-radius:8px;object-fit:contain;margin:auto auto 20px}
.download-scan strong{font-size:13px;font-weight:500}.download-scan p{font-size:11px;color:var(--muted)}.download-scan .copy-btn{font-size:12px;padding:10px 22px;min-height:44px}
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px var(--gutter);border-top:1px solid var(--line)}
.site-footer .brand b{font-size:16px}.site-footer p{font-size:11px;color:var(--muted)}
.mobile-download{display:none}
.back-top{position:fixed;bottom:24px;right:24px;z-index:40;background:var(--ink);display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%}
.back-top.show{display:block}
.toast{position:fixed;z-index:140;bottom:30px;left:50%;max-width:calc(100% - 32px);width:max-content;transform:translate(-50%,16px);background:#30281b;color:var(--cream);border:1px solid var(--line);padding:12px 20px;border-radius:8px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;overflow-y:auto;background:#000b;backdrop-filter:blur(12px)}
.modal-backdrop{position:fixed;inset:0}
.download-panel{position:relative;width:min(100%,520px);max-height:calc(100dvh - 48px);overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px}
.modal-close{position:absolute;top:12px;right:12px;width:44px;height:44px;background:transparent;border:0;font-size:26px}
.download-panel h2{font:500 28px/1.4 var(--display)}
.download-panel>p{font-size:13px;color:var(--muted)}
.platform-tabs{display:flex;gap:8px;padding:4px;background:var(--ink);border-radius:8px;margin:24px 0}
.platform{flex:1;background:transparent;border:0;border-radius:6px;min-height:44px}
.platform.active{background:var(--yellow);color:var(--ink)}
.download-card{display:flex;align-items:center;gap:16px}
.download-card img{border-radius:12px}
.download-card small{font-size:9px;color:var(--yellow)}
.download-card b{display:block;font-size:15px}
.download-card p{font-size:11px;color:var(--muted);margin:4px 0}
.modal-actions{display:grid;gap:12px;margin-top:26px}
.copy-btn{border:1px solid var(--line);background:transparent;border-radius:8px;min-height:48px}

@media(max-width:1050px){.nav{gap:16px;font-size:12px}.brand b{font-size:18px}.experience{gap:40px}.genre-card{aspect-ratio:auto}.highlights article{padding:0 10px;gap:12px}.highlights h3{font-size:15px}.highlights p{font-size:11px}.feature-icon{width:48px;height:48px}}
@media(max-width:760px){
  :root{--gutter:20px}html{scroll-padding-top:calc(130px + env(safe-area-inset-top))}
  .site-header{height:calc(116px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);display:grid;grid-template-columns:1fr auto;grid-template-rows:72px 44px;gap:0 24px}.brand img{width:36px;height:36px}.brand b{font-size:17px}.brand small{font-size:7px}
  .mobile-section-nav{display:flex;grid-column:1/-1;align-self:stretch;gap:30px;border-top:1px solid var(--line)}
  .mobile-section-nav a{display:flex;align-items:center;position:relative;font-size:14px;color:var(--yellow);min-height:44px}
  .mobile-section-nav a:focus-visible{outline-offset:-3px}
  body:has(#highlights:target) .mobile-section-nav a[href="#highlights"]::after,body:has(#genres:target) .mobile-section-nav a[href="#genres"]::after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--yellow);border-radius:3px}
  .mobile-header-download{display:inline-flex;gap:7px;padding:8px 12px;min-height:44px;font-size:12px;white-space:nowrap}
  .nav{display:none}
  .hero{padding:260px 20px 36px}.hero-art{height:510px;background-position:65% 10%;background-size:auto 510px}.film-ribbon{top:250px;height:70px}
  .hero h1{font-size:clamp(62px,15vw,96px);letter-spacing:.05em}.hero-script{font-size:21px;margin:5px 0 20px}
  .eyebrow{font-size:8px}.hero h2{font-size:18px;letter-spacing:.1em}.hero-description{font-size:12px}
  .hero-actions{gap:10px}.hero-actions>*{flex:1;padding:12px 8px;font-size:13px;min-height:48px}.device-note{font-size:10px}
  .section{padding:46px var(--gutter)}.highlights{padding-top:8px;padding-bottom:28px;grid-template-columns:1fr;gap:20px}
  .highlights article{justify-content:flex-start;max-width:320px;width:100%;margin:auto;border:0;gap:22px;padding:0 20px}
  .highlights h3{font-size:17px}.highlights p{font-size:12px}
  h2{font-size:30px}.section-heading{margin-bottom:26px}.section-heading h2{gap:14px}.kicker{font-size:8px}.section-heading>p:last-child{font-size:12px}
  .genre-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.genre-card{aspect-ratio:auto;padding:0;border-radius:12px}.genre-card h3{font-size:23px}.genre-card p{font-size:11px}
  .genre-card:last-child:nth-child(odd){grid-column:1/-1;aspect-ratio:2.2}.genre-card:last-child:nth-child(odd) img{object-position:center 35%}
  .catalog-toolbar{display:block;margin:30px 0 18px}.catalog-toolbar>h3{font-size:23px}
  .experience{grid-template-columns:1fr;gap:38px;overflow:hidden}.experience-copy h2{text-align:center}.experience-copy>.kicker,.experience-lead{text-align:center}
  .experience-features{gap:22px;margin-bottom:26px}.experience-features h3{font-size:17px}.experience-features p{font-size:12px}
  .experience-copy>.primary-btn{display:flex}.phone-scene{max-width:246px}.phone-frame{height:454px}
  .about-description{font-size:13px}.desktop-break{display:none}.about-tags{gap:15px;font-size:12px}
  .download-section{display:block;text-align:center}.download-copy>img{margin:0 auto 22px}.download-copy h2{font-size:30px}
  .platform-links{gap:10px}.platform-links a{flex:1;min-width:130px;font-size:12px;padding:12px}.download-scan{display:none}
  .site-footer{flex-direction:column;gap:10px;text-align:center;padding-bottom:calc(120px + env(safe-area-inset-bottom))}.site-footer p{margin:0}
  .mobile-download{display:flex;position:fixed;z-index:60;bottom:0;left:0;right:0;align-items:center;justify-content:space-between;gap:16px;padding:12px max(18px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));background:#121009f5;border-top:1px solid var(--line)}
  .mobile-download strong{display:block;font-size:14px}.mobile-download small{font-size:10px;color:var(--muted)}.mobile-download .primary-btn{min-height:44px;font-size:13px;padding:10px 20px}
  .back-top{bottom:calc(94px + env(safe-area-inset-bottom));right:18px}.toast{bottom:calc(96px + env(safe-area-inset-bottom))}
  .modal{padding:16px}.download-panel{padding:30px 22px;max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}.download-panel h2{font-size:25px}
}
@media(max-width:360px){:root{--gutter:16px}.hero{padding-inline:16px;padding-top:230px}.hero h1{font-size:58px}.genre-card h3{font-size:20px}.about-tags{gap:12px}.mobile-download .primary-btn{padding-inline:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}