:root{
  --bg:#0B0A1A;
  --bg-soft:#14112B;
  --card:#1A1635;
  --purple:#B026FF;
  --pink:#FF007F;
  --blue:#4FC3FF;
  --text:#EDEAF8;
  --muted:#A39EC4;
  --line:rgba(176,38,255,.28);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
.wrap{width:min(1160px,92%);margin:0 auto}
h1,h2,h3{line-height:1.35;font-weight:800;letter-spacing:.5px}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:clamp(1.05rem,2vw,1.25rem)}
p{color:var(--muted)}
.section{padding:90px 0;position:relative}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-head .en{font-size:.75rem;letter-spacing:3px;color:var(--purple);display:block;margin-bottom:10px;text-transform:uppercase}
.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;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:999px;font-weight:700;font-size:1rem;
  background:linear-gradient(120deg,var(--purple),var(--pink));
  color:#fff;border:none;cursor:pointer;
  box-shadow:0 0 22px rgba(255,0,127,.4);
  transition:transform .3s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(255,0,127,.65)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none}
.btn-ghost:hover{border-color:var(--purple);box-shadow:0 0 20px rgba(176,38,255,.35)}
.shimmer{position:relative;overflow:hidden}
.shimmer::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .8s ease;
  pointer-events:none;
}
.shimmer:hover::after{transform:translateX(120%)}

/* ===== header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;transition:background .35s,backdrop-filter .35s,border-color .35s,padding .35s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(11,10,26,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);padding:10px 0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:1px}
.brand img{height:34px;width:34px;border-radius:10px;object-fit:contain}
.nav-links{display:flex;gap:30px;font-size:.95rem}
.nav-links a{color:var(--muted);transition:color .25s}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .btn{padding:10px 22px;font-size:.9rem}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:7px 12px;font-size:1rem;cursor:pointer}

/* ===== hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:140px 0 90px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:-8%;z-index:0;
  background:
    radial-gradient(circle at 22% 28%,rgba(176,38,255,.32),transparent 48%),
    radial-gradient(circle at 78% 62%,rgba(255,0,127,.24),transparent 50%),
    radial-gradient(circle at 55% 90%,rgba(79,195,255,.16),transparent 45%);
  will-change:transform;transition:transform .5s ease-out;
}
.hero-grid{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(176,38,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(176,38,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--pink);
  border:1px solid rgba(255,0,127,.4);border-radius:999px;padding:6px 16px;margin-bottom:24px;
  background:rgba(255,0,127,.08);
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--pink);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,0,127,.6)}50%{box-shadow:0 0 0 8px rgba(255,0,127,0)}}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--purple),var(--pink),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.05rem;max-width:480px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-stage{position:relative;perspective:1100px}
.stage-layer{transform-style:preserve-3d;transition:transform .45s ease-out;will-change:transform}
.hero-portrait{
  border-radius:26px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 0 50px rgba(176,38,255,.35);
}
.hero-portrait img{width:100%;height:420px;object-fit:cover;object-position:center top}
.hero-chat{
  position:absolute;right:-12px;bottom:-34px;width:66%;
  background:rgba(20,17,43,.92);border:1px solid var(--line);border-radius:18px;
  padding:16px;backdrop-filter:blur(10px);
  box-shadow:0 0 34px rgba(255,0,127,.22);
}
.bubble{font-size:.85rem;line-height:1.6;padding:9px 13px;border-radius:14px;margin-bottom:9px;max-width:92%}
.bubble.ai{background:rgba(176,38,255,.18);border:1px solid rgba(176,38,255,.3);border-bottom-left-radius:4px;color:#E9E2FF}
.bubble.me{background:rgba(255,0,127,.16);border:1px solid rgba(255,0,127,.3);margin-left:auto;border-bottom-right-radius:4px;color:#FFE4F1}
.typing::after{content:"▍";color:var(--pink);animation:blink .9s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ===== 弹幕墙 ===== */
.danmaku-section{position:relative;padding:70px 0;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(20,17,43,.9),rgba(11,10,26,.95))}
.danmaku-bg{position:absolute;inset:0;opacity:.35}
.danmaku-bg img{width:100%;height:100%;object-fit:cover;filter:blur(2px) saturate(1.2)}
.danmaku-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,26,.85),rgba(11,10,26,.95))}
.danmaku-title{position:relative;z-index:2;text-align:center;margin-bottom:40px}
.danmaku-row{position:relative;z-index:2;overflow:hidden;white-space:nowrap;padding:8px 0}
.dm-track{display:inline-flex;gap:20px;animation:scrollLeft 38s linear infinite;will-change:transform}
.dm-track.reverse{animation-direction:reverse;animation-duration:46s}
.danmaku-row:hover .dm-track{animation-play-state:paused}
.dm-item{
  display:inline-flex;align-items:center;gap:10px;font-size:.9rem;color:#DCD6F5;
  background:rgba(26,22,53,.85);border:1px solid var(--line);border-radius:999px;padding:10px 20px;
  transition:box-shadow .3s,border-color .3s,transform .3s;
}
.dm-item:hover{border-color:var(--pink);box-shadow:0 0 22px rgba(255,0,127,.5);transform:scale(1.04)}
.dm-item .who{color:var(--pink);font-weight:700}
@keyframes scrollLeft{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 角色广场 ===== */
.char-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.char-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s,box-shadow .35s,border-color .35s;
  position:relative;
}
.char-card:hover{transform:translateY(-6px);border-color:var(--pink);box-shadow:0 0 30px rgba(255,0,127,.35)}
.char-thumb{height:230px;overflow:hidden}
.char-thumb img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s}
.char-card:hover .char-thumb img{transform:scale(1.05)}
.char-body{padding:18px 18px 22px}
.char-body h3{margin-bottom:6px}
.char-tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 12px}
.char-tags span{font-size:.72rem;padding:3px 10px;border-radius:999px;border:1px solid rgba(79,195,255,.35);color:var(--blue);background:rgba(79,195,255,.08)}
.char-body p{font-size:.88rem}

/* ===== 模型 ===== */
.model-section{background:linear-gradient(180deg,rgba(20,17,43,.6),transparent)}
.model-stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:420px}
.model-center{
  width:min(360px,80%);background:var(--card);border:1px solid var(--line);
  border-radius:22px;padding:20px;transition:box-shadow .4s,border-color .4s;
}
.model-center.on{box-shadow:0 0 44px rgba(255,0,127,.5);border-color:var(--pink)}
.model-center h3{margin-bottom:12px;font-size:1rem;color:var(--blue)}
.model-bubble{background:rgba(176,38,255,.14);border:1px solid rgba(176,38,255,.28);border-radius:14px 14px 14px 4px;padding:10px 13px;font-size:.85rem;margin-bottom:10px;color:#E4DDFF}
.model-chips{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:44px}
.model-chip{
  padding:12px 26px;border-radius:999px;border:1px solid var(--line);background:rgba(26,22,53,.8);
  font-weight:700;font-size:.9rem;cursor:pointer;transition:all .3s;color:var(--text);
}
.model-chip:hover,.model-chip.on{background:linear-gradient(120deg,var(--purple),var(--pink));border-color:transparent;box-shadow:0 0 24px rgba(255,0,127,.5)}
.model-tip{text-align:center;margin-top:22px;font-size:.9rem;color:var(--muted);min-height:24px}

/* ===== 记忆对比 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.compare-box{border-radius:var(--radius);padding:28px;border:1px solid rgba(255,255,255,.08);background:rgba(20,17,43,.6)}
.compare-box.dim img{filter:grayscale(1) brightness(.55)}
.compare-box.dim .bubble{opacity:.65}
.compare-box.bright{border-color:rgba(255,0,127,.5);box-shadow:0 0 34px rgba(255,0,127,.28)}
.compare-box .label{font-size:.8rem;letter-spacing:2px;margin-bottom:16px;color:var(--muted)}
.compare-box.bright .label{color:var(--pink)}
.compare-box .shot{border-radius:14px;overflow:hidden;margin-bottom:18px}
.compare-box .shot img{width:100%;height:200px;object-fit:cover}
.shield{position:relative}
.shield::before{content:"";position:absolute;inset:-3px;border-radius:16px;background:linear-gradient(120deg,var(--purple),var(--pink),var(--blue));opacity:.6;filter:blur(10px);z-index:-1}

/* ===== 定制 ===== */
.custom-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center}
.magic-frame{position:relative;border-radius:26px;padding:6px;overflow:hidden}
.magic-frame::before{
  content:"";position:absolute;inset:-60%;background:conic-gradient(from 0deg,transparent,var(--purple),var(--pink),transparent 60%);
  animation:spin 9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.magic-frame img{position:relative;border-radius:22px;width:100%;height:420px;object-fit:cover;z-index:1}
.custom-list{list-style:none;margin-top:24px;display:grid;gap:14px}
.custom-list li{display:flex;gap:12px;font-size:.95rem;color:var(--muted)}
.custom-list li b{color:var(--text);font-weight:700}
.custom-list li::before{content:"◆";color:var(--pink);font-size:.8rem;line-height:1.9}

/* ===== 创作者 ===== */
.creator-section{background:linear-gradient(180deg,transparent,rgba(176,38,255,.08),transparent)}
.creator-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.creator-card{border-radius:22px;overflow:hidden;border:1px solid var(--line);position:relative;transition:transform .4s}
.creator-card:hover{transform:scale(1.02)}
.creator-card img{width:100%;height:380px;object-fit:cover}
.creator-points{display:grid;gap:18px;margin:26px 0 30px}
.creator-points div{display:flex;gap:14px;align-items:flex-start}
.creator-points .num{font-weight:800;color:var(--pink);font-size:1.1rem;min-width:26px}
.pulse-btn{animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 0 18px rgba(255,0,127,.35)}50%{box-shadow:0 0 38px rgba(176,38,255,.75)}}

/* ===== 评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:24px;backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s;
}
.review-card:hover{transform:translateY(-5px);border-color:rgba(255,0,127,.5)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-top img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.review-top strong{display:block;font-size:.95rem}
.review-top span{font-size:.75rem;color:var(--blue)}
.review-card p{font-size:.9rem}

/* ===== VIP ===== */
.vip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.vip-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px 24px;display:flex;flex-direction:column;position:relative}
.vip-card h3{margin-bottom:8px}
.vip-card .price{font-size:1.05rem;color:var(--blue);margin-bottom:18px}
.vip-card ul{list-style:none;display:grid;gap:10px;font-size:.9rem;color:var(--muted);flex:1;margin-bottom:22px}
.vip-card ul li::before{content:"✓";color:var(--pink);margin-right:8px}
.vip-card.featured{border-color:transparent;background:linear-gradient(var(--card),var(--card)) padding-box,linear-gradient(120deg,var(--purple),var(--pink),var(--blue)) border-box;border:2px solid transparent;box-shadow:0 0 34px rgba(255,0,127,.35)}
.vip-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,var(--purple),var(--pink));font-size:.72rem;padding:4px 16px;border-radius:999px;font-weight:700}
.vip-card .btn{width:100%}

/* ===== 多端 ===== */
.device-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:46px}
.device{background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:16px;text-align:center}
.device .screen{border-radius:14px;overflow:hidden;margin-bottom:14px}
.device .screen img{width:100%;height:190px;object-fit:cover}
.device span{font-size:.85rem;color:var(--muted)}
.platform-logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.platform-logos span{font-size:.82rem;color:var(--muted);border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:7px 18px;transition:all .3s;filter:grayscale(1);opacity:.7}
.platform-logos span:hover{filter:none;opacity:1;color:var(--pink);border-color:var(--pink)}

/* ===== APP 沉浸 ===== */
.app-section{position:relative;background:linear-gradient(180deg,transparent,rgba(255,0,127,.07),transparent)}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.phone-3d{
  width:260px;margin:0 auto;border-radius:34px;padding:10px;background:linear-gradient(160deg,#241E45,#120F26);
  border:1px solid var(--line);transform:rotateY(-14deg) rotateX(6deg);
  box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 40px rgba(176,38,255,.28);
  transition:transform .5s ease-out;
}
.phone-3d .screen{border-radius:26px;overflow:hidden;position:relative;box-shadow:inset 0 0 40px rgba(255,0,127,.25)}
.phone-3d .screen img{width:100%;height:440px;object-fit:cover}
.phone-3d .screen::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 20%,rgba(255,0,127,.18),transparent 65%);animation:breathe 4s ease-in-out infinite}
.download-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto;display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  font-size:1rem;font-weight:700;padding:20px 22px;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:14px;font-family:inherit;
}
.faq-q .icon{color:var(--pink);transition:transform .3s;font-weight:400}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:260px;padding-bottom:20px}
.faq-a p{font-size:.92rem}

/* ===== footer ===== */
.site-footer{border-top:1px solid rgba(255,255,255,.07);padding:52px 0 34px;font-size:.83rem;color:#7A749B;background:#080714}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px;margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;color:var(--text);margin-bottom:12px}
.footer-brand img{height:28px;width:28px;border-radius:8px;object-fit:contain}
.footer-col h4{font-size:.85rem;color:var(--text);margin-bottom:12px;font-weight:700}
.footer-col a{display:block;color:#7A749B;margin-bottom:8px;transition:color .25s}
.footer-col a:hover{color:var(--pink)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.78rem;color:#615C82}
.footer-bottom time{color:#615C82}
.footer-bottom a{color:#615C82}
.footer-bottom a:hover{color:var(--pink)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-inner,.custom-grid,.creator-grid,.app-grid{grid-template-columns:1fr;gap:44px}
  .char-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid,.vip-grid,.device-row{grid-template-columns:1fr 1fr}
  .hero-portrait img{height:380px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(11,10,26,.97);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s;
  }
  .nav-links.open{max-height:280px}
  .nav-links a{padding:15px 24px;border-bottom:1px solid rgba(255,255,255,.05)}
  .menu-toggle{display:block}
  .nav-actions .btn-ghost{display:none}
  .hero{padding-top:110px;min-height:auto}
  .hero-portrait img{height:320px}
  .hero-chat{position:static;width:100%;margin-top:16px;right:auto;bottom:auto}
  .char-grid,.review-grid,.vip-grid,.device-row,.footer-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .dm-track{animation-duration:26s}
  .hero-bg{transform:none!important}
  .stage-layer{transform:none!important}
  .phone-3d{transform:none}
  .magic-frame img{height:320px}
}