:root{
  --bg:#0B0A1A;
  --bg2:#12102a;
  --purple:#B026FF;
  --pink:#FF007F;
  --blue:#4dc9ff;
  --text:#eae6ff;
  --muted:#9a95bd;
  --line:rgba(176,38,255,.25);
  --card:rgba(28,24,58,.72);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(176,38,255,.18),transparent 60%),
    radial-gradient(900px 500px at 0% 30%,rgba(255,0,127,.12),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.35;font-weight:700}
h2{font-size:clamp(22px,3.4vw,34px);margin-bottom:14px}
h3{font-size:18px;margin-bottom:8px}
.sub{color:var(--muted);font-size:15px}
.glow{box-shadow:0 0 24px rgba(176,38,255,.45),0 0 60px rgba(255,0,127,.18)}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;
  background:linear-gradient(120deg,var(--purple),var(--pink));
  color:#fff;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 20px rgba(255,0,127,.4);
  transition:transform .25s ease,box-shadow .25s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(255,0,127,.7)}
.btn.ghost{background:transparent;border:1px solid var(--line);box-shadow:none;color:var(--text)}
.btn.ghost:hover{border-color:var(--purple);box-shadow:0 0 18px rgba(176,38,255,.4)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(11,10,26,.55);
  border-bottom:1px solid rgba(176,38,255,.14);
  transition:background .3s ease;
}
.site-header.solid{background:rgba(11,10,26,.88)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.5px}
.brand img{height:32px;width:auto;border-radius:8px}
.nav-links{display:none;gap:30px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:#fff;text-shadow:0 0 12px var(--purple)}

/* Hero */
.hero{position:relative;padding:64px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
.hero-copy .badge{
  display:inline-block;font-size:12px;padding:5px 14px;border-radius:999px;
  border:1px solid var(--line);color:#d7c8ff;margin-bottom:18px;
  background:rgba(176,38,255,.1);
}
.hero-copy h1{font-size:clamp(28px,5.4vw,50px);letter-spacing:.5px}
.hero-copy h1 span{
  background:linear-gradient(100deg,var(--purple),var(--pink),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy p{color:var(--muted);margin:18px 0 28px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stage{position:relative;min-height:320px}
.stage-img{
  border-radius:20px;overflow:hidden;border:1px solid rgba(176,38,255,.35);
  box-shadow:0 0 40px rgba(176,38,255,.25);
  transition:transform .35s ease;
}
.stage-main{width:78%;margin-left:auto}
.stage-main img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/4}
.stage-ui{
  position:absolute;left:0;bottom:-24px;width:66%;
  border-radius:16px;overflow:hidden;border:1px solid rgba(77,201,255,.35);
  box-shadow:0 0 30px rgba(77,201,255,.28);
}
.stage-ui img{width:100%;object-fit:cover;aspect-ratio:4/3}
.bubble-float{
  position:absolute;top:8%;left:2%;max-width:230px;font-size:13px;
  background:rgba(255,0,127,.16);border:1px solid rgba(255,0,127,.4);
  padding:10px 14px;border-radius:14px 14px 14px 4px;color:#ffd9ec;
}

/* 弹幕墙 */
.danmaku-section{position:relative;padding:70px 0;overflow:hidden}
.danmaku-bg{position:absolute;inset:0;z-index:0}
.danmaku-bg img{width:100%;height:100%;object-fit:cover;opacity:.35}
.danmaku-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--bg),rgba(11,10,26,.3),var(--bg))}
.danmaku-inner{position:relative;z-index:1}
.danmaku-tracks{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.track{overflow:hidden;white-space:nowrap;position:relative}
.track-inner{display:inline-flex;gap:18px;animation:slide 40s linear infinite}
.track.slow .track-inner{animation-duration:55s}
.track.fast .track-inner{animation-duration:32s}
.track:hover .track-inner{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.dm{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;
  padding:9px 18px;border-radius:999px;border:1px solid rgba(176,38,255,.3);
  background:rgba(28,24,58,.8);color:#d8d2f5;
}
.track:hover .dm{border-color:var(--pink);box-shadow:0 0 16px rgba(255,0,127,.45);color:#fff}

/* 通用区块 */
.section{padding:76px 0}
.section-head{max-width:640px;margin-bottom:38px}

/* 角色广场 */
.char-grid{display:grid;grid-template-columns:1fr;gap:20px}
.char-card{
  position:relative;border-radius:18px;overflow:hidden;
  background:var(--card);border:1px solid rgba(176,38,255,.2);
  transition:transform .3s ease,box-shadow .3s ease;
}
.char-card::after{
  content:"";position:absolute;top:0;left:-80%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.16),transparent);
  transform:skewX(-18deg);transition:none;pointer-events:none;
}
.char-card:hover{transform:translateY(-4px);box-shadow:0 0 30px rgba(176,38,255,.4)}
.char-card:hover::after{animation:shimmer 1.1s ease}
@keyframes shimmer{from{left:-80%}to{left:130%}}
.char-card .ph{overflow:hidden}
.char-card img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .35s ease}
.char-card:hover img{transform:scale(1.05)}
.char-body{padding:16px 18px 20px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.tags span{font-size:12px;color:#e8dcff;padding:3px 10px;border-radius:999px;background:rgba(176,38,255,.18);border:1px solid rgba(176,38,255,.3)}
.char-body p{font-size:13.5px;color:var(--muted)}

/* 模型 */
.models{position:relative;display:grid;grid-template-columns:1fr;gap:34px;align-items:center}
.model-center{
  border-radius:20px;overflow:hidden;border:1px solid rgba(77,201,255,.35);
  box-shadow:0 0 34px rgba(77,201,255,.25);position:relative;
}
.model-center img{width:100%;object-fit:cover;aspect-ratio:4/3}
.model-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.model-item{
  padding:16px;border-radius:14px;border:1px solid rgba(176,38,255,.22);
  background:rgba(28,24,58,.6);transition:.25s ease;
}
.model-item:hover{border-color:var(--pink);box-shadow:0 0 22px rgba(255,0,127,.35);transform:translateY(-2px)}
.model-item h3{font-size:15px;margin-bottom:4px;color:#fff}
.model-item p{font-size:13px;color:var(--muted)}

/* 记忆对比 */
.compare{display:grid;grid-template-columns:1fr;gap:22px}
.compare-card{border-radius:18px;padding:22px;border:1px solid rgba(255,255,255,.1);background:rgba(22,20,44,.7)}
.compare-card.plain{filter:grayscale(.7);opacity:.8}
.compare-card.strong{border-color:rgba(176,38,255,.5);box-shadow:0 0 32px rgba(176,38,255,.3);background:rgba(38,26,72,.8)}
.compare-card h3{display:flex;align-items:center;gap:10px}
.chat{margin-top:14px;display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.chat .me{align-self:flex-end;background:rgba(77,201,255,.18);border:1px solid rgba(77,201,255,.32);padding:8px 13px;border-radius:12px 12px 4px 12px;max-width:88%}
.chat .ai{align-self:flex-start;background:rgba(176,38,255,.15);border:1px solid rgba(176,38,255,.32);padding:8px 13px;border-radius:12px 12px 12px 4px;max-width:88%}

/* 捏人 / 创作者 */
.split{display:grid;grid-template-columns:1fr;gap:34px;align-items:center}
.frame{
  border-radius:20px;overflow:hidden;position:relative;
  border:1px solid rgba(176,38,255,.35);
  box-shadow:0 0 36px rgba(176,38,255,.28);
}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.frame::before{
  content:"";position:absolute;inset:-2px;border-radius:22px;z-index:-1;
  background:conic-gradient(from 0deg,var(--purple),var(--pink),var(--blue),var(--purple));
  filter:blur(14px);opacity:.55;animation:spin 9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.feature-list{list-style:none;display:grid;gap:14px;margin-top:22px}
.feature-list li{padding-left:22px;position:relative;color:#d6d0f0;font-size:15px}
.feature-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(120deg,var(--purple),var(--pink));box-shadow:0 0 10px var(--pink);
}

/* 评价 */
.quotes{display:grid;grid-template-columns:1fr;gap:20px}
.quote-card{
  border-radius:18px;padding:22px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px);
}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.quote-head img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid rgba(176,38,255,.5)}
.quote-head strong{display:block;font-size:14px}
.quote-head small{color:var(--muted);font-size:12px}
.quote-card p{font-size:14px;color:#ddd7f5}

/* 生态 */
.ecosystem{display:grid;grid-template-columns:1fr;gap:20px}
.device{border-radius:18px;overflow:hidden;border:1px solid rgba(176,38,255,.25);position:relative}
.device img{width:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease}
.device:hover img{transform:scale(1.03)}
.device-cap{padding:12px 16px;font-size:14px;color:var(--muted);background:rgba(20,17,42,.9)}

/* APP 展示 */
.app-showcase{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;perspective:1200px}
.phone{
  width:min(300px,100%);margin:0 auto;border-radius:34px;padding:12px;
  background:linear-gradient(160deg,#221c48,#0e0c22);
  border:1px solid rgba(176,38,255,.4);
  box-shadow:0 0 50px rgba(176,38,255,.4);
  transform:rotateY(-8deg) rotateX(4deg);
  transition:transform .5s ease;
}
.phone:hover{transform:rotateY(0) rotateX(0)}
.phone-screen{border-radius:26px;overflow:hidden;position:relative}
.phone-screen img{width:100%;aspect-ratio:9/16;object-fit:cover}
.phone-screen::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 90%,rgba(255,0,127,.28),transparent 60%);
  animation:breathe 3.4s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}

/* FAQ */
.faq-item{
  border:1px solid rgba(176,38,255,.22);border-radius:14px;
  background:rgba(24,21,50,.7);margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:16px 20px;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--pink);font-size:20px;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 18px;color:var(--muted);font-size:14px}
.faq-item[open]{border-color:rgba(255,0,127,.4);box-shadow:0 0 22px rgba(255,0,127,.18)}

/* 页脚 */
.site-footer{border-top:1px solid rgba(176,38,255,.16);padding:48px 0 34px;margin-top:40px;font-size:13px;color:#7d78a0}
.footer-top{display:grid;grid-template-columns:1fr;gap:28px;margin-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#bdb6dd;font-weight:600}
.footer-brand img{height:28px;border-radius:7px}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 20px}
.footer-links a:hover{color:var(--pink)}
.footer-bottom{display:flex;flex-direction:column;gap:6px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06)}
.footer-bottom a{color:#8f89b5}
.footer-bottom a:hover{color:var(--pink)}

@media(min-width:768px){
  .wrap{padding:0 32px}
  .nav-links{display:flex}
  .hero{padding:80px 0 100px}
  .hero-grid{grid-template-columns:1fr 1fr}
  .char-grid{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr 1fr}
  .models{grid-template-columns:1.15fr 1fr}
  .split{grid-template-columns:1fr 1fr}
  .quotes{grid-template-columns:repeat(3,1fr)}
  .ecosystem{grid-template-columns:repeat(3,1fr)}
  .app-showcase{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1.2fr 1fr}
  .footer-links{grid-template-columns:repeat(3,1fr)}
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}
}
@media(min-width:1024px){
  .char-grid{grid-template-columns:repeat(3,1fr)}
  .section{padding:96px 0}
  .hero-stage{min-height:440px}
  .stage-main{width:72%}
}