:root{--bg:#0b0c0e;--panel:#14161a;--panel-2:#1b1e24;--line:#262a31;--ink:#e8eaed;--dim:#9aa1ab;--accent:#4f8cff;--good:#35c07f;--warn:#e0a83a;--bad:#e5645b;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,-apple-system,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:880px;margin:0 auto;padding:0 20px 80px}.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:12px;border-bottom:1px solid var(--line);margin-bottom:36px}.nav .brand{font-weight:650;letter-spacing:.2px}.nav .links{display:flex;align-items:center;gap:16px;font-size:14px}.nav .links,.nav .links a{color:var(--dim)}.nav .links a:hover{color:var(--ink)}h1{font-size:30px;line-height:1.25;margin:0 0 12px;letter-spacing:-.3px}h2{font-size:19px;margin:32px 0 12px}.lead{color:var(--dim);margin:0 0 24px;font-size:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.stack{display:grid;grid-gap:14px;gap:14px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}input[type=email],input[type=password],input[type=text],textarea{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:12px 14px;font:inherit;outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--accent)}textarea{min-height:120px;resize:vertical}button{font:inherit;cursor:pointer;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);padding:10px 16px;transition:background .15s,border-color .15s,transform .05s}button:hover:not(:disabled){border-color:#3a4049}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover:not(:disabled){background:#3f7df0}.muted{color:var(--dim)}.small{font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line);color:var(--dim)}.tag.good{color:var(--good);border-color:#1f4a35}.tag.warn{color:var(--warn);border-color:#4a3a1c}.tag.bad{border-color:#4a2320}.err,.tag.bad{color:var(--bad)}.err,.okmsg{font-size:14px}.okmsg{color:var(--good)}pre.out{white-space:pre-wrap;word-break:break-word;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:14px;margin:0;font-family:inherit}.packs{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:12px;gap:12px}.pack{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--panel)}.pack .price{font-size:26px;font-weight:650;letter-spacing:-.5px}.pack .price span{font-size:14px;color:var(--dim);font-weight:400}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}th{color:var(--dim);font-weight:500;font-size:13px}.hero-cta{margin:28px 0 8px}hr{border:none;border-top:1px solid var(--line);margin:32px 0}@media (max-width:560px){h1{font-size:24px}.wrap{padding:0 16px 60px}}select.select{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:10px 12px;font:inherit;outline:none}select.select:focus{border-color:var(--accent)}label{display:block;margin-bottom:6px}mark.hit{background:rgba(229,100,91,.18);color:#ff9a92;border-bottom:1px dashed var(--bad);border-radius:3px;padding:0 2px;cursor:help}.grow{flex:1 1 auto}.block{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}.block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;gap:8px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#22262d;border:1px solid var(--line);color:var(--ink);padding:10px 16px;border-radius:999px;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.45);z-index:50}@media (max-width:640px){.wrap{padding:0 14px 90px}.nav{margin-bottom:22px;padding:14px 0}.nav .links{gap:12px;font-size:13px}h1{font-size:23px}h2{font-size:17px;margin:26px 0 10px}.lead,button{font-size:15px}button{min-height:42px;padding:10px 14px}button.small{min-height:38px;padding:8px 12px;font-size:14px}input[type=email],input[type=password],input[type=text],select.select,textarea{font-size:16px;padding:12px}.block-head{flex-wrap:nowrap}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table{min-width:560px}.packs{grid-template-columns:1fr 1fr}.pack .price{font-size:22px}}