:root{
  --bg-deep:#080a18;
  --bg-ink:#0c0f22;
  --bg-panel:#111530;
  --bg-panel-2:#151a38;
  --line:rgba(120,150,255,.18);
  --cyan:#2ee6ff;
  --purple:#a55bff;
  --neon-yellow:#eaff4d;
  --text:#e9ecff;
  --text-dim:#98a0c8;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --gap:clamp(16px,2.4vw,28px);
  --pad-sec:clamp(28px,4vw,56px);
  --fs-h1:clamp(28px,4.4vw,54px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --fs-h3:clamp(16px,1.8vw,20px);
  --fs-body:clamp(14px,1.5vw,16px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:#070916}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--cyan),var(--purple));
  border-radius:99px;
}
::selection{background:rgba(46,230,255,.3)}

/* 顶部进度条 */
.progress-bar{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--neon-yellow));
  z-index:120;
  box-shadow:0 0 10px var(--cyan);
  transition:width .1s linear;
}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:110;
  padding:14px clamp(16px,4vw,48px);
  transition:background .3s,backdrop-filter .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,10,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand img{height:32px;width:auto;border-radius:8px}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.nav-links a{
  font-size:13px;color:var(--text-dim);padding:6px 12px;border-radius:99px;
  border:1px solid transparent;transition:.25s;
}
.nav-links a:hover,.nav-links a.active{
  color:#fff;border-color:rgba(46,230,255,.4);
  background:rgba(46,230,255,.08);
}

/* 通用版块 */
.section{
  position:relative;
  padding:var(--pad-sec) clamp(16px,4vw,48px);
  border-top:1px solid var(--line);
}
.section.alt{background:var(--bg-ink)}
.section.grid-bg{
  background-color:var(--bg-deep);
  background-image:linear-gradient(rgba(120,150,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,150,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
}
.section.dot-bg{
  background-color:#0a0d1e;
  background-image:radial-gradient(rgba(165,91,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:clamp(20px,3vw,36px)}
.sec-tag{
  flex:0 0 auto;font-size:12px;font-weight:700;letter-spacing:1px;
  color:var(--cyan);border:1px solid rgba(46,230,255,.45);
  padding:3px 10px;border-radius:6px;background:rgba(46,230,255,.07);
}
.sec-title-wrap h2{font-size:var(--fs-h2);line-height:1.3;background:linear-gradient(92deg,#fff,var(--cyan) 55%,var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{color:var(--text-dim);font-size:14px;margin-top:6px;max-width:640px}
.card{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:clamp(18px,2.4vw,28px);
}

/* 首屏 */
.hero{padding-top:calc(var(--pad-sec) + 64px)}
.hero-frame{
  position:relative;overflow:hidden;
  border-radius:26px;
  border:1px solid rgba(46,230,255,.28);
  background:
    radial-gradient(900px 420px at 82% 18%,rgba(165,91,255,.25),transparent 62%),
    radial-gradient(700px 380px at 8% 86%,rgba(46,230,255,.16),transparent 60%),
    linear-gradient(160deg,#0b0e22,#0a0c1d 60%,#0c0a20);
  padding:clamp(24px,4vw,56px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--gap);
  align-items:center;
}
.hero-grid-deco{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(46,230,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(46,230,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
  animation:gridDrift 18s linear infinite;
}
@keyframes gridDrift{from{background-position:0 0}to{background-position:44px 88px}}
.hero-copy{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2px;
  color:var(--neon-yellow);border:1px solid rgba(234,255,77,.35);
  padding:4px 12px;border-radius:99px;background:rgba(234,255,77,.06);margin-bottom:18px;
}
.hero-copy h1{font-size:var(--fs-h1);line-height:1.18;letter-spacing:1px}
.hero-copy h1 span{
  display:inline-block;
  background:linear-gradient(92deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{color:var(--text-dim);margin-top:18px;font-size:clamp(14px,1.6vw,17px);max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 26px;border-radius:99px;font-size:15px;font-weight:600;
  transition:transform .25s,box-shadow .25s;
}
.btn-primary{
  color:#04121a;
  background:linear-gradient(92deg,var(--cyan),#7df3ff);
  box-shadow:0 0 0 1px rgba(46,230,255,.5),0 12px 28px -12px var(--cyan);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,230,255,.7),0 18px 34px -12px var(--cyan)}
.btn-ghost{color:var(--text);border:1px solid rgba(165,91,255,.55);background:rgba(165,91,255,.08)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(165,91,255,.16)}
.hero-visual{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.frame-tile{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:#0e1230;
  clip-path:polygon(0 0,100% 0,100% 86%,92% 100%,0 100%);
  animation:floaty 6s ease-in-out infinite;
}
.frame-tile:nth-child(2){animation-delay:-2s;margin-top:26px}
.frame-tile:nth-child(3){animation-delay:-4s;margin-top:-14px}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.frame-tile img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/4;transition:transform .5s}
.frame-tile:hover img{transform:scale(1.05)}
.frame-tile .ai-tag{
  position:absolute;top:10px;left:10px;font-size:11px;letter-spacing:1px;
  padding:2px 8px;border-radius:99px;color:#04121a;font-weight:700;
  background:linear-gradient(92deg,var(--neon-yellow),#b9ff5a);
}
.frame-tile:nth-child(4){animation-delay:-3s;margin-top:12px}
.hero-bubbles{position:relative;z-index:2;grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-start}
.bubble{
  font-size:12.5px;color:var(--text-dim);
  padding:8px 14px;border-radius:14px 14px 14px 4px;
  border:1px solid rgba(46,230,255,.24);
  background:rgba(17,21,48,.85);
}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:8px}
.flow-step{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(21,26,56,.9),rgba(12,15,34,.9));
  padding:16px;text-align:center;position:relative;
}
.flow-step .ic{
  width:38px;height:38px;margin:0 auto 10px;border-radius:11px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--purple));
  animation:pulse 3s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(46,230,255,.35)}50%{box-shadow:0 0 0 10px rgba(46,230,255,0)}}
.flow-step h3{font-size:15px;margin-bottom:4px}
.flow-step p{font-size:12.5px;color:var(--text-dim)}
.flow-step img{border-radius:8px;margin-top:10px;aspect-ratio:16/10;object-fit:cover;width:100%}

/* 角色网格 */
.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:var(--gap)}
.char-card{
  border:1px solid rgba(165,91,255,.28);border-radius:var(--radius-m);
  background:var(--bg-panel);overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.char-card:hover{transform:translateY(-5px) rotate(-.6deg);box-shadow:0 18px 34px -20px var(--purple)}
.char-card img{aspect-ratio:3/4;object-fit:cover;width:100%}
.char-body{padding:12px 14px 16px}
.char-body h3{font-size:16px}
.char-meta{font-size:12px;color:var(--cyan);margin-top:2px}
.char-line{font-size:13px;color:var(--text-dim);margin-top:8px}

/* 模型滚动带 */
.marquee-band{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:14px;width:max-content;animation:scrollX 36s linear infinite}
.marquee-band:hover .marquee-track{animation-play-state:paused}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.model-card{
  width:180px;flex:0 0 auto;border-radius:var(--radius-m);
  border:1px solid rgba(46,230,255,.25);background:var(--bg-panel-2);
  overflow:hidden;transition:transform .3s,border-color .3s;
}
.model-card:hover{transform:translateY(-6px);border-color:var(--cyan)}
.model-card img{aspect-ratio:1/1;object-fit:cover;width:100%}
.model-card .m-body{padding:10px 12px 14px}
.model-card h3{font-size:14px}
.model-card p{font-size:12px;color:var(--text-dim);margin-top:3px}

/* 工坊 图文交替 */
.workshop-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:stretch;margin-bottom:var(--gap)}
.workshop-row:nth-child(even) .ws-img{order:2}
.ws-img{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:#0d1130}
.ws-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s}
.ws-img:hover img{transform:scale(1.04)}
.ws-txt{display:flex;flex-direction:column;justify-content:center}
.ws-txt h3{font-size:var(--fs-h3);margin-bottom:10px}
.ws-txt p{color:var(--text-dim);font-size:14px}
.ws-step{font-size:12px;color:var(--neon-yellow);letter-spacing:1px;margin-bottom:8px}

/* 轮播 */
.slider{border:1px solid rgba(46,230,255,.3);border-radius:var(--radius-l);overflow:hidden;background:#0a0d20;position:relative}
.slide{display:none;position:relative}
.slide.active{display:block;animation:fadeUp .5s ease}
@keyframes fadeUp{from{opacity:.2;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.slide img{width:100%;aspect-ratio:16/9;object-fit:cover}
.slide-cap{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(8,10,24,.78);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:var(--radius-s);
  padding:12px 16px;font-size:14px;
}
.slide-cap span{display:block;font-size:12px;color:var(--cyan);margin-top:4px}
.slider-ctrl{display:flex;gap:8px;justify-content:center;padding:14px}
.dot{width:9px;height:9px;border-radius:99px;background:rgba(255,255,255,.22);cursor:pointer;transition:.3s}
.dot.active{width:26px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
.slider-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:38px;height:38px;border-radius:99px;border:1px solid var(--line);
  background:rgba(8,10,24,.7);color:#fff;font-size:16px;cursor:pointer;z-index:5;
}
.slider-btn.prev{left:12px}
.slider-btn.next{right:12px}

/* 看板 */
.stats-band{
  border-radius:var(--radius-l);border:1px solid rgba(234,255,77,.25);
  background:radial-gradient(700px 260px at 20% 0%,rgba(165,91,255,.22),transparent 65%),linear-gradient(140deg,#0b0f26,#090c1e);
  padding:clamp(22px,3vw,40px);position:relative;overflow:hidden;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative;z-index:2}
.stat-num{font-size:clamp(24px,3.4vw,40px);font-weight:800;background:linear-gradient(92deg,var(--cyan),var(--neon-yellow));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--text-dim);margin-top:2px}
.rank-list{position:relative;z-index:2;margin-top:26px;display:grid;gap:8px}
.rank-item{display:flex;align-items:center;gap:12px;padding:9px 14px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:14px}
.rank-badge{flex:0 0 auto;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:800;color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--purple))}

/* 评论双排 */
.review-band{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.review-track{display:flex;gap:12px;width:max-content;animation:scrollX 42s linear infinite}
.review-track.reverse{animation-direction:reverse;animation-duration:50s;margin-top:12px}
.review-band:hover .review-track{animation-play-state:paused}
.review-card{
  width:270px;flex:0 0 auto;border-radius:var(--radius-m);
  border:1px solid var(--line);background:var(--bg-panel);
  padding:14px 16px;font-size:13.5px;
}
.review-card strong{display:block;font-size:13px;color:var(--cyan);margin-bottom:4px}
.review-card p{color:var(--text-dim)}

/* 提示词 */
.prompt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:var(--gap)}
.prompt-card{
  border:1px solid rgba(165,91,255,.28);border-radius:var(--radius-m);
  background:var(--bg-panel-2);padding:14px;position:relative;transition:.3s;
}
.prompt-card:hover{border-color:var(--purple);transform:translateY(-4px)}
.prompt-card img{border-radius:9px;aspect-ratio:16/10;object-fit:cover;width:100%;margin-bottom:10px}
.prompt-card h3{font-size:15px}
.prompt-card .p-meta{font-size:12px;color:var(--text-dim);margin-top:3px}
.prompt-full{margin-top:8px;font-size:12px;color:var(--cyan);line-height:1.6;border-top:1px dashed var(--line);padding-top:8px}

/* 排期 */
.schedule-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--gap)}
.sch-card{border:1px solid var(--line);border-radius:var(--radius-m);background:linear-gradient(150deg,rgba(21,26,56,.9),rgba(10,13,30,.9));padding:16px;display:flex;gap:14px;align-items:center}
.sch-date{flex:0 0 auto;text-align:center;border:1px solid rgba(46,230,255,.3);border-radius:10px;padding:6px 10px;background:rgba(46,230,255,.06)}
.sch-date b{display:block;font-size:18px;color:var(--cyan)}
.sch-date small{font-size:11px;color:var(--text-dim)}
.sch-card h3{font-size:15px}
.sch-card p{font-size:12px;color:var(--text-dim)}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--bg-panel);margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--text);font-size:15px;font-weight:600;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:12px}
.faq-q .ico{color:var(--cyan);transition:transform .3s;font-size:18px}
.faq-item.open .faq-q .ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;font-size:14px;color:var(--text-dim)}
.faq-a div{padding:0 18px 16px}
.faq-item.open .faq-a{max-height:320px}

/* CTA */
.cta-box{
  position:relative;overflow:hidden;border-radius:26px;
  padding:clamp(28px,4vw,56px);text-align:center;
  background:linear-gradient(120deg,rgba(46,230,255,.16),rgba(165,91,255,.2)),#0b0f24;
  border:1px solid rgba(46,230,255,.3);
}
.cta-box h2{font-size:var(--fs-h2);margin-bottom:12px}
.cta-box p{color:var(--text-dim);max-width:560px;margin:0 auto 24px}
.cta-bubbles{position:absolute;inset:0;pointer-events:none}
.cta-bubbles i{position:absolute;width:8px;height:8px;border-radius:99px;background:var(--cyan);opacity:.4;animation:riseUp 9s linear infinite}
.cta-bubbles i:nth-child(2){left:22%;background:var(--purple);animation-delay:-3s}
.cta-bubbles i:nth-child(3){left:68%;background:var(--neon-yellow);animation-delay:-6s}
.cta-bubbles i:nth-child(4){left:86%;animation-delay:-4.5s}
@keyframes riseUp{from{transform:translateY(60px);opacity:0}30%{opacity:.55}to{transform:translateY(-160px);opacity:0}}

/* 页脚 */
.site-footer{background:#060813;border-top:1px solid var(--line);padding:clamp(26px,3vw,44px) clamp(16px,4vw,48px) 26px;font-size:13px;color:var(--text-dim)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--gap);margin-bottom:26px}
.footer-cols h4{font-size:13px;color:var(--text);margin-bottom:10px}
.footer-cols a{display:block;font-size:12.5px;color:var(--text-dim);padding:3px 0;transition:.2s}
.footer-cols a:hover{color:var(--cyan)}
.footer-desc{font-size:12.5px;max-width:300px;line-height:1.8}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:#6d7597}
.footer-bottom a{color:#8b93b8}
.footer-bottom a:hover{color:var(--cyan)}
.marquee-tagline{border-top:1px solid var(--line);margin-top:18px;overflow:hidden;padding-top:12px}
.marquee-tagline .t{display:flex;gap:32px;width:max-content;animation:scrollX 32s linear infinite;font-size:12px;color:#5d668a;letter-spacing:2px}

/* 浮动助手 */
.fab{
  position:fixed;right:18px;bottom:18px;z-index:130;
  width:52px;height:52px;border-radius:99px;border:1px solid rgba(46,230,255,.5);
  background:linear-gradient(135deg,var(--cyan),var(--purple));color:#04121a;
  font-size:13px;font-weight:800;cursor:pointer;
  box-shadow:0 12px 30px -12px rgba(46,230,255,.8);
}
.assist-panel{
  position:fixed;right:18px;bottom:82px;z-index:130;width:min(320px,calc(100% - 36px));
  background:rgba(14,18,40,.86);backdrop-filter:blur(16px);
  border:1px solid rgba(46,230,255,.3);border-radius:18px;padding:18px;
  display:none;
}
.assist-panel.show{display:block;animation:popIn .28s ease}
@keyframes popIn{from{opacity:.2;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
.assist-panel h4{font-size:15px;margin-bottom:6px}
.assist-panel p{font-size:12.5px;color:var(--text-dim);margin-bottom:12px}
.assist-panel input,.assist-panel textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:9px;padding:9px 11px;color:var(--text);font-size:13px;margin-bottom:9px;font-family:inherit;
}
.assist-panel textarea{resize:vertical;min-height:70px}
.assist-panel .btn{width:100%;padding:9px}

/* 滚动显现 */
.reveal{opacity:1;transform:none;transition:transform .6s ease,opacity .6s ease}
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:.001;transform:translateY(24px)}
  .reveal.in{opacity:1;transform:none}
}

@media (max-width:1024px){
  .hero-frame{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{display:none}
  .hero-visual{grid-template-columns:repeat(2,1fr)}
  .frame-tile:nth-child(2),.frame-tile:nth-child(3),.frame-tile:nth-child(4){margin-top:0;animation:none}
  .flow{grid-template-columns:1fr}
  .workshop-row{grid-template-columns:1fr}
  .workshop-row:nth-child(even) .ws-img{order:0}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr}
  .slide-cap{position:static;border-radius:0;border-left:0;border-right:0;background:rgba(8,10,24,.95)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}