:root{--bg:#080911;--surface:#111321;--surface-2:#171a2a;--line:#2a2d43;--text:#f6f3ff;--muted:#979bb0;--violet:#a78bfa;--violet-deep:#7759df;--rose:#fb7185;--amber:#fbbf24;--shadow:0 32px 90px rgba(0,0,0,.42)}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;background:radial-gradient(circle at 55% -20%,rgba(119,89,223,.2),transparent 38%),linear-gradient(160deg,#080911 0%,#0c0e18 58%,#090a12 100%);overflow-x:hidden}
button,input,textarea{font:inherit}
.glow{position:fixed;border-radius:50%;filter:blur(120px);pointer-events:none;opacity:.12}.glow-one{width:420px;height:420px;right:-120px;top:180px;background:var(--violet)}.glow-two{width:360px;height:360px;left:-180px;bottom:-140px;background:var(--rose)}
.site-header,footer{position:relative;z-index:1;max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:24px 32px}
.header-left{display:flex;align-items:center;gap:28px;min-width:0}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}.brand>span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--violet),var(--rose));color:#100c21;font-weight:950}.brand b{font-size:14px;white-space:nowrap}
.product-switch{display:flex;align-items:center;gap:5px;padding:5px;border:1px solid var(--line);border-radius:13px;background:rgba(12,14,24,.78)}
.product-switch a,.product-switch>span{position:relative;display:flex;align-items:center;gap:7px;min-height:34px;padding:8px 12px;border-radius:9px;color:#898da2;text-decoration:none;font-size:10px;font-weight:800;white-space:nowrap}.product-switch a:hover{color:var(--text);background:#1a1d2d}.product-switch a.active{color:#120d24;background:linear-gradient(135deg,#b69cff,#fb8b9b);box-shadow:0 8px 24px rgba(167,139,250,.18)}.product-switch i{width:6px;height:6px;border-radius:50%;background:currentColor}.product-switch small{position:absolute;top:-8px;right:-4px;padding:2px 4px;border-radius:4px;background:#292c3d;color:#a7aabd;font-size:6px}
.service{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:40px;color:var(--muted);font-size:10px}.service i{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px var(--amber)}
main{position:relative;z-index:1;width:min(1050px,calc(100% - 40px));margin:0 auto;padding:38px 0 80px}
.hero{text-align:center;padding:28px 20px 32px}.eyebrow{color:var(--violet);font-size:9px;font-weight:900;letter-spacing:.24em}.hero h1{margin:13px 0 12px;font-size:clamp(38px,6vw,64px);letter-spacing:-.055em}.hero h1 em{font-style:normal;color:var(--violet)}.hero p{max-width:670px;margin:0 auto;color:var(--muted);font-size:13px;line-height:1.8}
.feature-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding:7px;border:1px solid var(--line);border-radius:16px;background:rgba(17,19,33,.86);box-shadow:var(--shadow)}.feature-tabs button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:48px;border:0;border-radius:11px;background:transparent;color:#969aae;font-size:11px;font-weight:850;cursor:pointer}.feature-tabs button span{font:8px/1 "Cascadia Code",Consolas,monospace;color:#6e7184}.feature-tabs button:hover{background:#1a1d2d;color:var(--text)}.feature-tabs button.active{color:#130e25;background:linear-gradient(135deg,var(--violet),#d7c9ff);box-shadow:0 10px 24px rgba(119,89,223,.22)}.feature-tabs button.active span{color:#49358e}
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);margin:20px 0;border:1px solid var(--line);border-radius:14px;background:rgba(17,19,33,.82);overflow:hidden}.step-rail>div{display:flex;align-items:center;gap:10px;padding:17px 18px;border-right:1px solid var(--line);color:#787c90;font-size:10px}.step-rail>div:last-child{border:0}.step-rail b{font:8px/1 "Cascadia Code",Consolas,monospace}.step-rail .active{color:var(--text);background:rgba(167,139,250,.09)}.step-rail .active b{color:var(--violet)}
.workspace{border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(20,22,37,.98),rgba(12,14,24,.98));box-shadow:var(--shadow);overflow:hidden}.panel{display:none}.panel.active{display:block;animation:rise .22s ease}.panel[hidden]{display:none}@keyframes rise{from{opacity:0;transform:translateY(5px)}}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:27px 30px;border-bottom:1px solid var(--line)}.panel-heading>div>span{color:var(--violet);font-size:8px;font-weight:900;letter-spacing:.2em}.panel-heading h2{margin:7px 0 6px;font-size:21px;letter-spacing:-.03em}.panel-heading p{margin:0;color:var(--muted);font-size:11px}.channel-badge{padding:7px 10px;border:1px solid rgba(251,191,36,.22);border-radius:30px;background:rgba(251,191,36,.07);color:#f8d36a;font-size:8px;white-space:nowrap}
.form-block{padding:28px 30px 32px}.form-block.compact{min-height:310px}.form-block label{display:block;margin-bottom:9px;color:#d9d9e5;font-size:11px;font-weight:800}.input-wrap{position:relative}.input-wrap input{width:100%;height:54px;padding:0 52px 0 15px;border:1px solid var(--line);border-radius:12px;outline:none;background:#0b0d16;color:var(--text);font:11px "Cascadia Code",Consolas,monospace;letter-spacing:.03em}.input-wrap input:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(167,139,250,.1)}.input-wrap>span{position:absolute;right:14px;top:50%;display:grid;place-items:center;width:27px;height:27px;border-radius:8px;background:#22253a;color:var(--violet);font-weight:900;transform:translateY(-50%)}.form-block>small{display:block;margin:9px 0 0;color:#6f7388;font-size:8px}
.notice{margin:22px 0;padding:16px 18px;border:1px solid rgba(251,191,36,.22);border-radius:12px;background:rgba(251,191,36,.055)}.notice b{color:#f9d979;font-size:10px}.notice ul{display:grid;gap:7px;margin:10px 0 0;padding-left:18px;color:#a8aabd;font-size:9px;line-height:1.5}.primary{display:flex;align-items:center;justify-content:space-between;min-width:170px;margin-top:22px;padding:13px 16px;border:0;border-radius:11px;background:linear-gradient(135deg,var(--violet-deep),var(--violet));color:#fff;font-size:10px;font-weight:900;cursor:pointer;box-shadow:0 12px 26px rgba(119,89,223,.2)}.primary:hover{filter:brightness(1.08)}
.message{display:none;margin:0 30px 30px;padding:13px 15px;border:1px solid rgba(167,139,250,.25);border-radius:11px;background:rgba(167,139,250,.08);color:#d9d0ff;font-size:10px;line-height:1.6}.message.show{display:block}
.grok-stage[hidden]{display:none!important}.stage-copy{margin-bottom:22px}.stage-copy>span{color:var(--violet);font-size:8px;font-weight:900;letter-spacing:.2em}.stage-copy h3{margin:8px 0 7px;font-size:18px;letter-spacing:-.025em}.stage-copy p{margin:0;color:var(--muted);font-size:10px;line-height:1.65}.stage-copy code{padding:2px 5px;border-radius:5px;background:#24273a;color:#d8ceff;font:9px "Cascadia Code",Consolas,monospace}.form-block textarea{width:100%;min-height:132px;padding:14px;border:1px solid var(--line);border-radius:12px;outline:none;resize:vertical;background:#0b0d16;color:var(--text);font:10px/1.6 "Cascadia Code",Consolas,monospace}.form-block textarea:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(167,139,250,.1)}.identity-status{display:flex;align-items:center;gap:11px;margin-top:14px;padding:12px 13px;border:1px solid var(--line);border-radius:11px;background:#0d0f1a}.identity-status>i{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:#22253a;color:#8d91a7;font-style:normal;font-size:8px;font-weight:900}.identity-status div{display:grid;gap:3px}.identity-status b{font-size:10px}.identity-status span{color:var(--muted);font-size:9px;overflow-wrap:anywhere}.identity-status.success{border-color:rgba(167,139,250,.32);background:rgba(167,139,250,.07)}.identity-status.success>i{background:var(--violet);color:#130e25}.identity-status.success b{color:#d6ccff}.identity-status.error{border-color:rgba(251,113,133,.32);background:rgba(251,113,133,.06)}.identity-status.error>i{background:rgba(251,113,133,.14);color:#ff9eac}.demo-actions{display:grid;grid-template-columns:120px 1fr;gap:10px;margin-top:22px}.demo-actions .primary{width:100%;margin:0}.secondary{padding:12px 15px;border:1px solid var(--line);border-radius:11px;background:#1a1d2d;color:#e1e1eb;font-size:10px;font-weight:850;cursor:pointer}.secondary:hover{background:#222538}.demo-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}.demo-summary>div{min-width:0;padding:14px;border:1px solid var(--line);border-radius:11px;background:#0d0f1a}.demo-summary span,.demo-summary b{display:block}.demo-summary span{color:#7d8196;font-size:8px;letter-spacing:.06em}.demo-summary b{margin-top:7px;color:#e5e1f3;font:10px/1.45 "Cascadia Code",Consolas,monospace;overflow-wrap:anywhere}.demo-summary.single{margin-top:24px}.demo-complete{text-align:center}.demo-mark{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 18px;border:1px solid rgba(167,139,250,.35);border-radius:50%;background:rgba(167,139,250,.12);color:#c9baff;font-size:24px;font-weight:900}.demo-complete h3{margin:10px 0 8px;font-size:22px}.demo-complete>p{max-width:560px;margin:0 auto;color:var(--muted);font-size:11px;line-height:1.7}.restart-demo{width:100%;margin-top:20px}.step-rail>div.complete{color:#b9adE8;background:rgba(167,139,250,.045)}.step-rail>div.complete b{color:#8e77df}
.guide-list{display:grid;gap:11px;margin:0;padding:28px 30px 32px;list-style:none;counter-reset:guide}.guide-list li{counter-increment:guide;display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:12px;background:#0d0f1a}.guide-list li:before{content:counter(guide);display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:rgba(167,139,250,.12);color:var(--violet);font:900 10px "Cascadia Code",Consolas,monospace}.guide-list b,.guide-list span{display:block}.guide-list b{font-size:11px}.guide-list span{margin-top:4px;color:var(--muted);font-size:9px;line-height:1.55}
footer{border-top:1px solid rgba(42,45,67,.65);color:#666a7d;font-size:9px}
@media(max-width:760px){.site-header{align-items:flex-start;gap:14px;padding:22px}.header-left{align-items:flex-start;flex-direction:column;gap:14px}.product-switch{max-width:calc(100vw - 44px);overflow-x:auto}.service{display:none}main{width:min(100% - 28px,1050px);padding-top:12px}.hero{padding-top:25px}.feature-tabs button{font-size:9px}.step-rail{grid-template-columns:repeat(2,1fr)}.step-rail>div:nth-child(2){border-right:0}.step-rail>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.panel-heading,.form-block{padding-left:20px;padding-right:20px}.message{margin-left:20px;margin-right:20px}}
@media(max-width:480px){.brand b{display:none}.product-switch a,.product-switch>span{padding:8px 10px}.hero h1{font-size:39px}.hero p{font-size:11px}.feature-tabs{grid-template-columns:1fr}.feature-tabs button{justify-content:flex-start;padding-left:18px}.panel-heading{display:block}.channel-badge{display:inline-block;margin-top:13px}.step-rail>div{padding:14px 12px}.primary{width:100%}.demo-actions,.demo-summary{grid-template-columns:1fr}}