:root{--bg:#f6f8fc;--panel:#ffffff;--ink:#141726;--ink-dim:#5c6479;--ink-mut:#8a92a8;--border:#e6eaf2;--blue:#4c8bff;--blue-2:#2f6bf0;--violet:#7c5cf6;--green:#16a34a;--amber:#ffb020;--red:#e0243e;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans)}a{color:var(--blue-2);text-decoration:none}button{cursor:pointer}button,input,select,textarea{font-family:inherit}.nav{justify-content:space-between;max-width:1080px;margin:0 auto;padding:20px 24px}.logo,.nav{display:flex;align-items:center}.logo{gap:10px;font-weight:800;font-size:20px}.logo .dot{width:32px;height:32px;border-radius:9px;background:linear-gradient(145deg,#4c8bff,#7c5cf6);display:grid;place-items:center;color:#fff}.logo small{font-weight:700;color:var(--ink-mut);font-size:12px}.hero{max-width:900px;margin:0 auto;padding:60px 24px 40px;text-align:center}.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;margin:0 0 18px;letter-spacing:-1px}.hero h1 span{background:linear-gradient(120deg,#2f6bf0,#7c5cf6);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:19px;color:var(--ink-dim);max-width:620px;margin:0 auto 28px;line-height:1.55}.cta{display:inline-flex;gap:12px}.features3{max-width:1000px;margin:40px auto;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.fcard{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:24px}.fcard .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(180deg,#eef3ff,#e0e9ff);display:grid;place-items:center;font-size:22px;margin-bottom:12px}.fcard h3{margin:0 0 6px;font-size:17px}.fcard p{margin:0;color:var(--ink-dim);font-size:14px;line-height:1.5}.pricing{max-width:1000px;margin:50px auto;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.plan{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:26px}.plan.pop{border-color:var(--blue);box-shadow:0 16px 40px rgba(47,107,240,.14)}.plan h3{margin:0 0 4px;font-size:16px;color:var(--ink-mut);text-transform:uppercase;letter-spacing:.08em}.plan .price{font-size:38px;font-weight:800}.plan .price small{font-size:15px;color:var(--ink-mut);font-weight:600}.plan ul{list-style:none;padding:0;margin:16px 0 0}.plan li{padding:7px 0;color:var(--ink-dim);font-size:14px;display:flex;gap:8px}.plan li:before{content:"✓";color:var(--green);font-weight:800}footer.foot{text-align:center;color:var(--ink-mut);font-size:14px;padding:40px 24px}.btn{padding:12px 22px;border-radius:12px;border:none;font-weight:700;font-size:15px;color:#fff;background:linear-gradient(180deg,#63a0ff,#2f6bf0);box-shadow:0 8px 20px rgba(47,107,240,.28)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--border);box-shadow:none}.btn:disabled{opacity:.6}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:30px;box-shadow:0 24px 60px rgba(30,40,80,.1)}.auth-card h1{margin:0 0 4px;font-size:22px}.auth-card .muted{color:var(--ink-dim);font-size:14px;margin:0 0 20px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;font-weight:700;color:var(--ink-dim);margin-bottom:6px}.field input{width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:15px;outline:none}.field input:focus{border-color:var(--blue)}.primary{width:100%;padding:13px;border:none;border-radius:11px;font-weight:700;font-size:15px;color:#fff;background:linear-gradient(180deg,#63a0ff,#2f6bf0)}.primary:disabled{opacity:.6}.err{color:var(--red);font-size:13px;margin-top:10px;min-height:18px}.switch{text-align:center;margin-top:16px;font-size:14px;color:var(--ink-dim)}.switch button{background:none;border:none;color:var(--blue-2);font-weight:700}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.side{background:#fff;border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column}.nav2 button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:10px 12px;border:none;background:transparent;color:var(--ink-dim);border-radius:10px;font-size:14px;font-weight:600;margin-bottom:2px}.nav2 button:hover{background:var(--bg);color:var(--ink)}.nav2 button.on{background:linear-gradient(180deg,rgba(76,139,255,.12),rgba(76,139,255,.06));color:var(--blue-2)}.side .who{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);color:var(--ink-dim);font-size:13px}.side .who b{display:block;color:var(--ink)}.logout{margin-top:8px;width:100%;padding:9px;border:1px solid var(--border);background:#fff;color:var(--ink-dim);border-radius:9px;font-size:13px;font-weight:600}.main{padding:26px 30px;overflow:auto}.h2{font-size:22px;font-weight:800;margin:0 0 4px}.sub{color:var(--ink-dim);font-size:14px;margin:0 0 22px}.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px 20px}.stat .label{color:var(--ink-mut);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.stat .value{font-size:30px;font-weight:800;margin-top:6px}.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:18px}.panel h3{margin:0 0 4px;font-size:16px}.panel .hint{color:var(--ink-dim);font-size:13px;margin:0 0 14px}.keyrow{display:flex;gap:10px;align-items:center}.keyrow code{flex:1 1;font-family:var(--mono);font-size:13px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow:auto;white-space:nowrap}.chan{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.chan:last-child{border-bottom:none}.chan .name{font-weight:700}.chan .desc{color:var(--ink-dim);font-size:13px;margin-top:2px}.chan .subs{color:var(--ink-mut);font-size:13px}.inl{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.inl input{flex:1 1;min-width:160px;padding:11px 14px;border-radius:11px;border:1px solid var(--border);outline:none}.inl input:focus{border-color:var(--blue)}pre.code{background:#0e1220;color:#d6e2ff;border-radius:12px;padding:16px;overflow:auto;font-family:var(--mono);font-size:12.5px;line-height:1.6}.spin{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}@keyframes sp{to{transform:rotate(1turn)}}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;font-weight:700;padding:11px 20px;border-radius:12px;font-size:14px;box-shadow:0 12px 30px rgba(0,0,0,.2);z-index:50}@media (max-width:760px){.features3,.pricing,.shell{grid-template-columns:1fr}.side{display:none}}