:root{
  --purple:#534AB7; --purple-d:#3f3790; --amber:#993556; --ink:#2b2b29;
  --muted:#8a877d; --line:#e3e0d8; --bg:#faf9f6; --ok:#2f8f5b; --warn:#b8832a;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
header{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.brand{font-weight:800;font-size:18px;color:var(--purple);letter-spacing:.5px}
.brand small{color:var(--muted);font-weight:500;font-size:12px;margin-left:8px}
.userbox{display:flex;align-items:center;gap:10px;font-size:14px}
.tier-pill{padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;color:#fff}
.tier-free{background:#9a978f}.tier-subscriber{background:var(--purple)}.tier-enterprise{background:var(--amber)}
main{max-width:1080px;margin:0 auto;padding:26px 22px 60px}
.hero{background:linear-gradient(120deg,#534AB7,#6d63c9);color:#fff;border-radius:16px;padding:26px 28px;margin-bottom:22px}
.hero h1{margin:0 0 6px;font-size:24px}
.hero p{margin:0;opacity:.92;font-size:14px}
.section-title{font-size:15px;font-weight:700;color:var(--muted);margin:26px 0 12px;text-transform:uppercase;letter-spacing:1px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:14px}
.card{border:1px solid var(--line);border-radius:13px;background:#fff;padding:16px;display:flex;flex-direction:column;gap:6px;transition:.15s}
.card:hover{box-shadow:0 4px 14px rgba(83,74,183,.12);transform:translateY(-2px)}
.card h3{margin:0;font-size:15.5px}
.card p{margin:0;color:var(--muted);font-size:13px;flex:1}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.btn{border:none;border-radius:9px;padding:8px 14px;font-weight:700;font-size:13px;cursor:pointer;background:var(--purple);color:#fff}
.btn:hover{background:var(--purple-d)}.btn.ghost{background:#efeefb;color:var(--purple)}.btn.amber{background:var(--amber)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.lock{font-size:12px;color:var(--warn);font-weight:700}
.modal{position:fixed;inset:0;background:rgba(40,38,34,.45);display:none;align-items:center;justify-content:center;z-index:50}
.modal.show{display:flex}
.modal .box{background:#fff;border-radius:14px;padding:24px;width:min(380px,92vw);box-shadow:0 10px 40px rgba(0,0,0,.2)}
.modal h3{margin:0 0 14px;color:var(--purple)}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
.field label{font-size:12px;color:var(--muted)}
.field input{padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.modal .acts{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.err{color:#c0392b;font-size:13px;min-height:18px}
.note{color:var(--muted);font-size:13px;margin-top:18px;border-top:1px dashed var(--line);padding-top:14px}
.iframe-wrap{margin-top:16px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.iframe-wrap iframe{width:100%;height:100%;border:none}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#efeefb;border-bottom:1px solid var(--line)}
.panel-head .btn{padding:5px 10px;font-size:12px}
.panel-frame-wrap{position:relative;height:70vh}
.frame-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);background:#fff;z-index:2}
.badge{display:inline-block;padding:2px 8px;border-radius:6px;background:#efeefb;color:var(--purple);font-size:12px;font-weight:700}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}