:root{
  --bg-0:#07060f;
  --bg-1:#0b0a1c;
  --bg-2:#12102a;
  --bg-3:#17142f;
  --line:rgba(122,148,255,.18);
  --cyan:#2ff3d6;
  --violet:#9b6bff;
  --lime:#eaff5c;
  --text:#e9ecff;
  --muted:#9aa2c6;
  --card:rgba(255,255,255,.035);
  --radius:20px;
  --pad:clamp(18px,4vw,34px);
  --max:1160px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(900px 500px at 85% -5%,rgba(155,107,255,.22),transparent 70%),
    radial-gradient(800px 460px at 5% 10%,rgba(47,243,214,.14),transparent 70%),
    var(--bg-0);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:#0a0918}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--cyan),var(--violet));border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--lime),var(--violet))}

/* progress */
#progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:99;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--lime));box-shadow:0 0 12px rgba(47,243,214,.7);transition:width .1s linear}

/* nav */
.topbar{position:fixed;top:0;left:0;right:0;z-index:90;transition:.3s ease}
.topbar.scrolled{background:rgba(9,8,22,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{max-width:var(--max);margin:0 auto;padding:14px var(--pad);display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px;font-size:17px;white-space:nowrap}
.brand img{height:34px;width:auto;border-radius:9px}
.nav-links{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{font-size:13px;color:var(--muted);padding:7px 11px;border-radius:99px;white-space:nowrap;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:#0a0918;background:linear-gradient(90deg,var(--cyan),var(--lime))}
.nav-cta{flex:none;font-size:13px;font-weight:700;padding:9px 18px;border-radius:99px;background:linear-gradient(90deg,var(--violet),var(--cyan));color:#08070f;transition:.25s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(47,243,214,.35)}

/* generic */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
section{position:relative;padding:clamp(52px,7vw,92px) 0}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.sec-num{font-family:ui-monospace,monospace;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--cyan);border:1px solid rgba(47,243,214,.4);padding:3px 10px;border-radius:8px;background:rgba(47,243,214,.07)}
.sec-title{font-size:clamp(20px,3vw,30px);font-weight:800;letter-spacing:.5px;background:linear-gradient(100deg,#fff 10%,var(--cyan) 55%,var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-sub{color:var(--muted);font-size:14px;flex-basis:100%;max-width:640px}
.sec-alt{background:linear-gradient(180deg,var(--bg-0),var(--bg-2) 45%,var(--bg-0))}
.sec-dots{background-color:#0c0a1e;background-image:radial-gradient(rgba(122,148,255,.16) 1px,transparent 1px);background-size:20px 20px}
.sec-grid{background-color:#0a0918;background-image:linear-gradient(rgba(122,148,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(122,148,255,.09) 1px,transparent 1px);background-size:44px 44px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(47,243,214,.55),rgba(155,107,255,.55),transparent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:.3s ease}
.card:hover{border-color:rgba(47,243,214,.5);transform:translateY(-4px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 26px;border-radius:99px;transition:.25s ease;position:relative;overflow:hidden}
.btn-main{background:linear-gradient(90deg,var(--cyan),var(--lime));color:#07060f;box-shadow:0 8px 30px rgba(47,243,214,.3)}
.btn-main::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);transform:skewX(-18deg);animation:shine 3.6s infinite}
@keyframes shine{0%,60%{left:-60%}100%{left:130%}}
.btn-main:hover{transform:translateY(-3px)}
.btn-ghost{border:1px solid rgba(155,107,255,.55);color:var(--text);background:rgba(155,107,255,.1)}
.btn-ghost:hover{background:rgba(155,107,255,.22);transform:translateY(-3px)}

/* reveal */
.rv{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.rv.pre{opacity:0;transform:translateY(26px)}
.thumb{width:100%;height:100%;object-fit:cover;border-radius:14px;transition:transform .5s ease}
.thumb-wrap{overflow:hidden;border-radius:14px}

/* 01 hero */
.hero{padding-top:calc(72px + clamp(30px,5vw,60px))}
.hero-frame{position:relative;border:1px solid rgba(47,243,214,.28);border-radius:28px;overflow:hidden;padding:clamp(24px,4vw,54px);background:
  radial-gradient(700px 380px at 80% 20%,rgba(155,107,255,.24),transparent 70%),
  radial-gradient(600px 340px at 10% 80%,rgba(47,243,214,.16),transparent 70%),
  #0a091b}
.hero-frame::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(47,243,214,.22) 1px,transparent 1px);background-size:26px 26px;opacity:.5;animation:dotmove 18s linear infinite;pointer-events:none}
@keyframes dotmove{to{background-position:260px 260px}}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.hero-copy h1{font-size:clamp(30px,5.4vw,54px);line-height:1.22;font-weight:900;letter-spacing:.5px;margin-bottom:16px;background:linear-gradient(100deg,#fff 20%,var(--cyan) 60%,var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-copy h1 span{display:inline-block;animation:popin .6s backwards both}
@keyframes popin{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero-copy p{color:#b9c0e0;font-size:clamp(14px,1.6vw,16px);max-width:520px;margin-bottom:24px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.tag{font-size:12px;color:var(--cyan);border:1px solid rgba(47,243,214,.35);background:rgba(47,243,214,.07);padding:5px 12px;border-radius:99px}
.hero-panels{position:relative;display:grid;gap:14px}
.panel{position:relative;border:1px solid rgba(155,107,255,.4);border-radius:18px;overflow:hidden;background:#0d0b22;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.panel:nth-child(1){transform:rotate(-3deg) translateX(-6px);animation:float 7s ease-in-out infinite}
.panel:nth-child(2){transform:rotate(2.5deg) translateX(18px);animation:float 8.5s ease-in-out infinite reverse}
.panel img{aspect-ratio:3/4;object-fit:cover;width:100%}
.ai-badge{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;color:#07060f;background:linear-gradient(90deg,var(--cyan),var(--lime));padding:3px 9px;border-radius:6px;box-shadow:0 0 16px rgba(47,243,214,.65)}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -12px}}
.bubble{position:absolute;left:0;right:0;bottom:-8px;display:flex;justify-content:center;pointer-events:none}
.bubble-card{background:rgba(13,11,34,.92);border:1px solid rgba(47,243,214,.45);border-radius:14px;padding:9px 16px;font-size:12.5px;color:var(--text);box-shadow:0 10px 30px rgba(0,0,0,.5);animation:bubblecycle 9s infinite}
.bubble-card b{color:var(--lime)}
@keyframes bubblecycle{0%,30%{opacity:1;transform:translateY(0)}36%,92%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:none}}
.scroll-hint{margin-top:34px;text-align:center;color:var(--muted);font-size:12.5px;letter-spacing:2px;position:relative;z-index:2}
.scroll-hint span{display:inline-block;animation:bounce 1.8s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* 02 pipeline */
.flow{display:grid;gap:16px}
.flow-step{position:relative;display:flex;gap:14px;align-items:flex-start;padding:18px}
.step-icon{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:18px;background:rgba(47,243,214,.1);border:1px solid rgba(47,243,214,.4);animation:pulse 3s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(47,243,214,.35)}50%{box-shadow:0 0 0 9px rgba(47,243,214,0)}}
.flow-step h3{font-size:16px;margin-bottom:4px}
.flow-step p{font-size:13.5px;color:var(--muted)}
.flow-step .thumb-wrap{flex:none;width:76px;height:76px;border-radius:12px;border:1px solid var(--line)}
.flow-arrow{display:none}

/* 03 chars */
.char-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.char-card{position:relative;padding:0;overflow:hidden}
.char-card .thumb-wrap{border-radius:0;height:190px}
.char-card:hover{transform:translateY(-6px) rotate(-.6deg)}
.char-body{padding:14px 16px 18px}
.char-body h3{font-size:15.5px;margin-bottom:4px}
.char-tag{display:inline-block;font-size:11.5px;color:var(--violet);border:1px solid rgba(155,107,255,.5);padding:2px 9px;border-radius:99px;margin-bottom:8px}
.char-line{font-size:13px;color:#c3c9e6}
.char-param{font-size:11.5px;color:var(--muted);margin-top:10px;border-top:1px dashed rgba(122,148,255,.25);padding-top:8px}

/* 04 marquee */
.marquee{overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:slide 34s linear infinite;padding:6px 0}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.style-card{width:210px;flex:none;padding:0;overflow:hidden}
.style-card .thumb-wrap{height:130px;border-radius:0}
.style-card:hover{transform:translateY(-6px);border-color:var(--cyan)}
.style-body{padding:12px 14px 16px}
.style-body h3{font-size:14.5px}
.style-body p{font-size:12.5px;color:var(--muted);margin-top:3px}

/* 05 collab */
.collab-row{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:26px;align-items:center}
.collab-row .thumb-wrap{height:220px;border:1px solid var(--line)}
.collab-row h3{font-size:18px;margin-bottom:8px;color:var(--cyan)}
.collab-row p{color:var(--muted);font-size:14px}
.collab-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.collab-pair .thumb-wrap{height:170px}

/* 06 reel */
.reel{position:relative;border:1px solid rgba(155,107,255,.45);border-radius:24px;overflow:hidden;background:#0b0919}
.reel-track{display:flex;transition:transform .6s cubic-bezier(.6,.05,.2,1)}
.reel-item{flex:none;width:100%;position:relative}
.reel-item img{width:100%;height:clamp(300px,52vw,520px);object-fit:cover}
.reel-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 20px 26px;background:linear-gradient(180deg,transparent,rgba(7,6,15,.94))}
.reel-cap h3{font-size:clamp(17px,2.4vw,23px);margin-bottom:6px}
.reel-cap p{font-size:13px;color:#c7cce8;max-width:600px}
.reel-meta{display:inline-block;font-size:11.5px;color:var(--lime);border:1px solid rgba(234,255,92,.4);padding:2px 9px;border-radius:6px;margin-bottom:8px}
.reel-nav{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(10,9,25,.8);border:1px solid rgba(47,243,214,.5);color:var(--cyan);display:grid;place-items:center;cursor:pointer;z-index:3;font-size:17px}
.reel-prev{left:12px}.reel-next{right:12px}
.reel-dots{display:flex;gap:8px;justify-content:center;padding:16px 0 4px}
.dot{width:26px;height:5px;border-radius:99px;background:rgba(122,148,255,.3);cursor:pointer;transition:.3s}
.dot.on{background:linear-gradient(90deg,var(--cyan),var(--lime));box-shadow:0 0 12px rgba(47,243,214,.6)}

/* 07 stats */
.stats-band{border-radius:24px;border:1px solid rgba(47,243,214,.28);padding:clamp(24px,4vw,44px);background:linear-gradient(120deg,rgba(155,107,255,.14),rgba(47,243,214,.08)),#08071a;position:relative;overflow:hidden}
.stats-band::after{content:"";position:absolute;top:0;left:-30%;width:30%;height:100%;background:linear-gradient(90deg,transparent,rgba(47,243,214,.13),transparent);animation:bandmove 9s linear infinite}
@keyframes bandmove{to{left:110%}}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:26px;position:relative;z-index:2}
.stat h3{font-size:clamp(24px,3.6vw,38px);font-weight:900;background:linear-gradient(100deg,var(--cyan),var(--lime));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat p{font-size:13px;color:var(--muted)}
.rank-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;position:relative;z-index:2}
.rank{flex:none;display:flex;align-items:center;gap:10px;padding:10px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);font-size:13px}
.rank b{color:var(--lime);font-family:ui-monospace,monospace}

/* 08 echoes */
.echo-rows{display:grid;gap:14px;overflow:hidden}
.echo-track{display:flex;gap:14px;width:max-content;animation:slide 40s linear infinite}
.echo-track.rev{animation-direction:reverse;animation-duration:46s}
.echo-rows:hover .echo-track{animation-play-state:paused}
.echo{width:250px;flex:none;padding:14px 16px}
.echo-head{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.echo-av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));display:grid;place-items:center;font-size:12px;font-weight:800;color:#07060f}
.echo-name{font-size:13px;font-weight:700}
.echo-star{font-size:11.5px;color:var(--lime)}
.echo p{font-size:13px;color:#c3c9e6}

/* 09 prompts */
.prompt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.prompt-card{position:relative;padding:0;overflow:hidden}
.prompt-card .thumb-wrap{height:130px;border-radius:0}
.prompt-body{padding:12px 14px 16px}
.prompt-body h3{font-size:14px}
.prompt-body p{font-size:12.5px;color:var(--muted);margin-top:3px}
.prompt-full{position:absolute;inset:0;background:rgba(9,8,22,.94);border:1px solid var(--cyan);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;justify-content:center;gap:8px;opacity:0;transition:.3s;font-size:12.5px;color:#cfd4ee}
.prompt-card:hover .prompt-full{opacity:1}
.prompt-full span{color:var(--cyan);font-size:11px;letter-spacing:1px}

/* 10 calendar */
.cal-list{display:grid;gap:12px}
.cal-item{display:flex;gap:16px;align-items:center;padding:14px 18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.035);transition:.3s}
.cal-item:hover{border-color:var(--violet);transform:translateX(4px)}
.cal-date{flex:none;text-align:center;font-family:ui-monospace,monospace;font-weight:800;color:var(--cyan);font-size:20px;min-width:64px}
.cal-date small{display:block;font-size:11px;color:var(--muted);font-weight:400}
.cal-info h3{font-size:15px}
.cal-info p{font-size:12.5px;color:var(--muted)}
.cal-count{margin-left:auto;font-size:12px;color:var(--lime);border:1px solid rgba(234,255,92,.35);padding:3px 10px;border-radius:99px;white-space:nowrap}

/* 11 faq */
.faq{display:grid;gap:12px;max-width:860px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03);overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 18px;background:none;border:0;color:var(--text);font-size:15px;font-weight:700;text-align:left;cursor:pointer;font-family:var(--font)}
.faq-q i{font-style:normal;color:var(--cyan);transition:transform .3s;font-size:18px}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 18px 16px;font-size:13.5px;color:var(--muted)}

/* 12 cta + footer */
.cta-band{position:relative;border-radius:26px;padding:clamp(30px,5vw,58px);text-align:center;overflow:hidden;background:linear-gradient(125deg,#231c56,#0d2c3c 55%,#1a1236);border:1px solid rgba(47,243,214,.35)}
.cta-band h2{font-size:clamp(22px,3.6vw,34px);font-weight:900;margin-bottom:12px}
.cta-band p{color:#c3c9e6;max-width:560px;margin:0 auto 24px;font-size:14.5px}
.cta-bubbles{position:absolute;inset:0;pointer-events:none}
.cta-bubbles span{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(47,243,214,.55),rgba(155,107,255,.05));animation:bub 8s ease-in-out infinite}
@keyframes bub{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(-26px);opacity:.9}}
footer{border-top:1px solid var(--line);background:#06050f;padding:44px 0 22px;margin-top:40px;font-size:13px;color:#7d84a6}
.foot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-bottom:26px}
.foot-grid h3{font-size:13px;color:#c3c9e6;margin-bottom:10px}
.foot-grid a,.foot-grid p{display:block;color:#7d84a6;line-height:2;font-size:12.5px}
.foot-grid a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid rgba(122,148,255,.12);padding-top:16px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;font-size:12px;color:#5f6688}
.foot-bottom a{color:#5f6688}
.foot-bottom a:hover{color:var(--cyan)}
.slogan-bar{overflow:hidden;border-top:1px solid rgba(122,148,255,.12);margin-top:14px;padding-top:12px;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.slogan-track{display:flex;gap:38px;width:max-content;animation:slide 30s linear infinite;font-size:12px;letter-spacing:2px;color:#4e5578;white-space:nowrap}

/* fab */
.fab{position:fixed;right:18px;bottom:18px;z-index:95;width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--violet),var(--cyan));color:#07060f;font-size:22px;box-shadow:0 10px 30px rgba(47,243,214,.4);transition:.3s}
.fab:hover{transform:scale(1.08)}
.panel-fab{position:fixed;right:18px;bottom:84px;z-index:96;width:min(330px,calc(100vw - 36px));border-radius:20px;padding:18px;background:rgba(15,13,34,.86);backdrop-filter:blur(16px);border:1px solid rgba(47,243,214,.4);box-shadow:0 20px 60px rgba(0,0,0,.6);transform:scale(.9);opacity:0;pointer-events:none;transition:.3s}
.panel-fab.on{transform:scale(1);opacity:1;pointer-events:auto}
.panel-fab h3{font-size:15px;margin-bottom:6px}
.panel-fab p{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.panel-fab a{display:block;text-align:center;font-size:13.5px;font-weight:700;color:#07060f;background:linear-gradient(90deg,var(--cyan),var(--lime));padding:10px;border-radius:10px;margin-bottom:8px}
.panel-fab textarea{width:100%;min-height:70px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);padding:10px;font-family:var(--font);font-size:13px;resize:vertical;margin-bottom:8px}

@media(min-width:768px){
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:34px}
  .hero-panels{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .char-grid{grid-template-columns:repeat(3,1fr)}
  .prompt-grid{grid-template-columns:repeat(3,1fr)}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:repeat(4,1fr)}
  .collab-row{grid-template-columns:.9fr 1.1fr;gap:28px}
  .collab-row.flip .collab-pair{order:2}
  .cal-list{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .flow{grid-template-columns:repeat(5,1fr)}
  .flow-step{flex-direction:column;align-items:stretch}
  .flow-step .thumb-wrap{width:100%;height:96px;order:-1;margin-bottom:10px}
  .flow-arrow{display:block;position:absolute;right:-12px;top:44%;color:var(--cyan);font-size:16px;opacity:.7}
  .char-grid{grid-template-columns:repeat(4,1fr)}
  .prompt-grid{grid-template-columns:repeat(4,1fr)}
  .nav-links{margin-left:auto}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv.pre{opacity:1;transform:none}
}