*{box-sizing:border-box}body{margin:0;font:18px/1.65 var(--body),sans-serif;background:var(--bg);color:var(--ink);--preview-accent:var(--accent);--preview-bg:var(--bg);--preview-ink:var(--ink)}
h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--heading),sans-serif;line-height:1.2}h1{font-size:clamp(44px,6vw,80px)}h2{font-size:clamp(32px,4vw,52px)}h3{font-size:24px}p{max-width:65ch;margin-top:16px}a{color:inherit}button,input{font:inherit}a,button{transition:transform .2s,background .2s,color .2s,box-shadow .2s}a:active,button:active{transform:translateY(1px)}
.wrap{width:min(1280px,calc(100% - 64px));margin:auto}.top{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0}.top nav{display:flex;gap:24px}.top a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.brand{font-weight:800;font-size:24px}.label{font:500 13px/1.6 var(--mono),monospace;letter-spacing:.16em;text-transform:uppercase;margin-bottom:24px;color:var(--accent)}
section{padding:96px 0}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:48px}.card{background:var(--surface);padding:32px;border:1px solid var(--line);border-radius:var(--radius);position:relative}.card p{color:var(--muted)}.action{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:16px 28px;margin-top:32px;background:var(--accent);color:var(--accent-ink);border:2px solid transparent;border-radius:var(--button-radius);font-weight:700;text-decoration:none}.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.actions{display:flex;gap:16px;flex-wrap:wrap}.meta{font:14px/1.7 var(--mono),monospace;color:var(--muted)}.rule{border-top:1px solid var(--line)}.number{font:700 48px/1.2 var(--heading),sans-serif;display:block;margin-bottom:16px;color:var(--accent)}
details.faq{padding:24px 0;border-bottom:1px solid var(--line)}details.faq summary{font-size:22px;min-height:48px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}details.faq summary::after{content:'+'}details.faq[open] summary::after{content:'−'}footer{padding:48px 0;border-top:1px solid var(--line)}.skip{position:absolute;top:-100px;left:16px;padding:16px;background:var(--accent);color:var(--accent-ink);z-index:10000}.tb-bao{padding:12px 24px;background:#101722;color:#edf2fa;font:13px/1.6 system-ui;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.tb-bao span{flex:1}.tb-bao a{color:#d4e5ff}.tb-cta{padding:8px 16px;background:#38bdf8;color:#062032!important;border-radius:24px;text-decoration:none;font-weight:700}
input{width:100%;min-height:56px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:16px;margin-top:12px}label{display:block;margin-top:24px}.empty{padding:24px;border:1px dashed var(--line);margin-top:24px}.feature-icon{width:48px;height:48px;margin-bottom:24px;display:grid;place-items:center;color:var(--accent);border:1px solid var(--line)}.feature-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.5}
@media(max-width:1023px){.split{grid-template-columns:1fr;gap:48px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.top nav{gap:16px}section{padding:80px 0}}
@media(max-width:639px){.wrap{width:calc(100% - 32px)}.grid{grid-template-columns:1fr;gap:24px}.top nav{display:none}section{padding:64px 0}.card{padding:24px}.action{width:100%}.actions{gap:0}.top{padding:16px 0}.tb-bao span{flex-basis:100%}}

:root{--bg:#090014;--ink:#E0E0E0;--surface:#1a103ccc;--accent:#FF00FF;--accent-ink:#090014;--muted:#cec4df;--line:#2D1B4E;--radius:0;--button-radius:0;--heading:'Orbitron';--body:'JetBrains Mono';--mono:'Share Tech Mono';--cyan:#00FFFF;--orange:#FF9900}
body::after{content:'';position:fixed;inset:0;z-index:50;pointer-events:none;background:repeating-linear-gradient(transparent 0 3px,#0002 3px 4px),linear-gradient(90deg,#ff000007,#00ff0003,#0000ff07)}
.hero{position:relative;isolation:isolate;overflow:hidden;text-align:center;min-height:680px}.hero .wrap{position:relative;z-index:2}.hero h1{font-weight:900;font-size:clamp(42px,7vw,104px);background:linear-gradient(90deg,#FF9900,#FF00FF,#00FFFF);background-clip:text;color:transparent;filter:drop-shadow(0 0 25px #ff00ff55)}.hero p{margin:24px auto}.hero .actions{justify-content:center}.sun{position:absolute;width:600px;height:600px;left:calc(50% - 300px);top:0;background:linear-gradient(#FF9900,#FF00FF);border-radius:50%;filter:blur(100px);opacity:.2;z-index:-1}.floor{position:absolute;inset:60% -50% -25%;background-image:linear-gradient(transparent 95%,#FF00FF 95%),linear-gradient(90deg,transparent 95%,#FF00FF 95%);background-size:40px 40px;transform:perspective(500px) rotateX(60deg);mask-image:linear-gradient(transparent,#000);z-index:-1}
.action{transform:skewX(-12deg);border-color:#00FFFF;background:transparent;color:#00FFFF;transition:transform .2s linear,box-shadow .2s linear,background .2s linear}.action span{transform:skewX(12deg)}.action:hover{transform:skewX(0);background:#00FFFF;color:#090014;box-shadow:0 0 20px #00FFFF}.action:hover span{transform:none}.card{border:1px solid #ff00ff66;border-top:2px solid #00FFFF;backdrop-filter:blur(12px);transition:transform .2s linear,box-shadow .2s linear}.card:hover{transform:translateY(-8px);box-shadow:0 0 24px #00ffff33}.card h3{color:#00FFFF;text-shadow:0 0 5px #00ffff88}.feature-icon{border-color:#FF00FF;transform:rotate(45deg);transition:transform .2s}.feature-icon svg{transform:rotate(-45deg)}.card:hover .feature-icon{transform:rotate(90deg)}
.window{border:2px solid #00FFFF;background:#090014e6;box-shadow:0 0 20px #00ffff33}.bar{padding:12px 24px;border-bottom:1px solid #00FFFF;background:#00ffff11;color:#00FFFF;display:flex;align-items:center;gap:12px}.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%;background:#FF00FF}.dots i:nth-child(2){background:#00FFFF}.dots i:nth-child(3){background:#FF9900}.window-body{padding:32px}.set{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #2D1B4E;padding:24px 0}.timeline{display:grid;grid-template-columns:1fr 1fr;margin-top:48px;gap:32px}.timeline article{padding:24px;border-inline-end:2px solid #FF00FF}.timeline article:nth-child(even){grid-column:2;border-inline-start:2px solid #00FFFF;border-inline-end:0;margin-top:48px}.chat{font-family:'JetBrains Mono',monospace}.chat b{color:#00FFFF}.final{position:relative;overflow:hidden}.final input{border:0;border-bottom:2px solid #FF00FF;background:#090014;border-radius:0;color:#00FFFF}.final .wrap{position:relative;z-index:2}
@media(max-width:639px){.hero{min-height:620px}.hero h1{font-size:42px;line-height:1.4}.timeline{grid-template-columns:1fr}.timeline article:nth-child(even){grid-column:1;margin-top:0}.window-body{padding:24px}.set{flex-direction:column}.action{width:calc(100% - 16px);margin-inline:8px}}