:root{--brand:#4f46e5;--brand2:#7c3aed;--ink:#0f172a;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--ok:#16a34a;--warn:#d97706;--err:#dc2626;--info:#2563eb;--r:12px}
*{box-sizing:border-box}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:15px;line-height:1.55}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);margin:0 0 .5em;line-height:1.2}
.wrap{max-width:1180px;margin:auto;padding:0 20px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr}}
.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.mt{margin-top:18px}.mb{margin-bottom:18px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 18px;font-weight:600;font-size:14px;cursor:pointer;font-family:inherit}
.btn:hover{filter:brightness(1.08)}.btn-sm{padding:7px 13px;font-size:13px}.btn-lg{padding:14px 26px;font-size:16px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-ok{background:var(--ok)}.btn-err{background:var(--err)}.btn-warn{background:var(--warn)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:14px;font-weight:500}
.alert-ok{background:#dcfce7;color:#166534}.alert-err{background:#fee2e2;color:#991b1b}.alert-info{background:#dbeafe;color:#1e40af}.alert-warn{background:#fef3c7;color:#92400e}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600}
.b-ok{background:#dcfce7;color:#166534}.b-warn{background:#fef3c7;color:#92400e}.b-err{background:#fee2e2;color:#991b1b}.b-info{background:#dbeafe;color:#1e40af}.b-muted{background:#f1f5f9;color:#475569}
label{display:block;font-weight:600;color:var(--ink);font-size:13px;margin:12px 0 5px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
input[type=checkbox]{width:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafc}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
.inline{display:inline}
/* public */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar .wrap{height:66px}
.logo{font-weight:800;font-size:19px;color:var(--ink)}.logo-mark{color:var(--brand)}
.topnav{display:flex;gap:22px;align-items:center}.topnav a:not(.btn){color:var(--text);font-weight:500}
.hero{padding:80px 0 60px;background:radial-gradient(1000px 400px at 70% 0,#ede9fe,transparent),linear-gradient(#fff,#f8fafc)}
.hero h1{font-size:50px;letter-spacing:-.02em;max-width:760px}
.hero p.lead{font-size:19px;max-width:620px;color:var(--muted)}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;color:transparent}
.section{padding:64px 0}.section h2{font-size:32px}
.feature{padding:22px}.feature .ic{width:42px;height:42px;border-radius:10px;background:#eef2ff;color:var(--brand);display:grid;place-items:center;font-size:20px;margin-bottom:12px}
.tpl{overflow:hidden;padding:0;display:flex;flex-direction:column}
.tpl-thumb{aspect-ratio:16/10;background:#eef2ff center/cover;display:grid;place-items:center;color:var(--brand);font-weight:700;font-size:22px;border-bottom:1px solid var(--line)}
.tpl-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.price{font-size:22px;font-weight:800;color:var(--ink)}
.plan{text-align:left}.plan.hot{border:2px solid var(--brand);box-shadow:0 10px 30px #4f46e522}
.plan ul{padding-left:18px;margin:12px 0}.plan li{margin:6px 0}
.cmp td:first-child{font-weight:600}
.foot{border-top:1px solid var(--line);background:#fff;padding:28px 0;margin-top:40px}
.auth-box{max-width:430px;margin:60px auto}
/* app */
.app{display:flex;min-height:100vh}
.side{width:248px;background:#0f172a;color:#cbd5e1;padding:20px 14px;display:flex;flex-direction:column;gap:3px;position:sticky;top:0;height:100vh}
.side .logo{color:#fff;padding:0 8px 14px}
.side-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:8px}
.side-link{color:#cbd5e1;padding:9px 12px;border-radius:8px;font-weight:500;font-size:14px}
.side-link:hover{background:#1e293b;color:#fff}.side-link.on{background:var(--brand);color:#fff}
.side-foot{margin-top:auto;border-top:1px solid #1e293b;padding-top:12px}.side-foot .muted{color:#94a3b8;padding:0 12px 8px}
.main{flex:1;padding:28px 32px;min-width:0}
.main-head h1{font-size:24px;margin-bottom:18px}
.stat{padding:18px}.stat b{display:block;font-size:26px;color:var(--ink)}
.site-card .url{font-family:monospace;font-size:13px;word-break:break-all}
@media(max-width:800px){.app{flex-direction:column}.side{width:100%;height:auto;position:static}.main{padding:18px}}
/* editor */
.editor{display:grid;grid-template-columns:230px 1fr 340px;height:calc(100vh - 150px);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.ed-files{border-right:1px solid var(--line);overflow:auto;padding:8px;font-size:13px}
.ed-files a{display:block;padding:5px 8px;border-radius:6px;color:var(--text);font-family:monospace;word-break:break-all}
.ed-files a.on,.ed-files a:hover{background:#eef2ff;color:var(--brand)}
.ed-code{display:flex;flex-direction:column;min-width:0}
.ed-code .CodeMirror{flex:1;height:auto;font-size:13px}
.ed-bar{padding:8px 10px;border-bottom:1px solid var(--line);background:#f8fafc}
.ed-ai{border-left:1px solid var(--line);display:flex;flex-direction:column;padding:12px;gap:8px;overflow:auto}
.ed-ai textarea{min-height:110px}
.ed-preview{width:100%;height:100%;border:0}
.nocopy{-webkit-user-select:none;user-select:none}
@media(max-width:1100px){.editor{grid-template-columns:1fr;height:auto}.ed-code .CodeMirror{height:60vh}}