:root {
  --bg:#f6f7f9; --surface:#fff; --soft:#f0f3f7; --line:#d9dee7;
  --text:#17202e; --muted:#657184; --brand:#2563eb; --brand2:#1d4ed8;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;background:#fffffff2;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;padding:14px max(20px,calc((100vw - 1180px)/2));z-index:10}
.brand{font-weight:800;color:var(--text)} nav{display:flex;gap:6px;flex-wrap:wrap} nav a{color:var(--text);border-radius:8px;padding:7px 10px}
nav a:hover{background:var(--soft);text-decoration:none}
.page{max-width:1180px;margin:0 auto;padding:22px 20px 56px}
h1{font-size:34px;line-height:1.25;margin:0 0 14px} h2{font-size:22px;margin:0 0 12px} h3{font-size:18px;margin:0 0 8px}
.hero,.detail-head{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;align-items:stretch;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.panel,.plan-card,.admin-shell,.social-box{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}
.lead,.muted,.empty{color:var(--muted)} .eyebrow,.vendor{color:#0f766e;font-size:13px;font-weight:700}
.social-box{display:flex;flex-direction:column;gap:10px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:28px 0 14px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.plan-card{min-height:220px;display:flex;flex-direction:column;gap:8px}
.price{font-size:28px;font-weight:800;margin:2px 0}.button,button{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border:1px solid var(--brand);border-radius:8px;padding:8px 13px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}
.button:hover,button:hover{background:var(--brand2);border-color:var(--brand2);color:#fff;text-decoration:none}.secondary,button.secondary{background:#fff;color:var(--text);border-color:#b9c2d0}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}.list-line{margin:0;padding:10px 0;border-bottom:1px solid var(--line)}
.notice{border:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a;border-radius:8px;padding:12px 14px;margin-bottom:16px}
.flash.error{border:1px solid #fca5a5;background:#fef2f2;color:#991b1b}
.comment{border-bottom:1px solid var(--line);padding:12px 0;margin:0}.comment:last-child{border-bottom:none}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.tag-row span{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:5px 9px}
.form{display:grid;gap:12px;max-width:680px}.form.wide{max-width:980px}.form.narrow{max-width:380px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
input,select,textarea{width:100%;min-height:40px;border:1px solid #b9c2d0;border-radius:8px;padding:9px 10px;background:#fff;color:var(--text)} textarea{min-height:108px;resize:vertical}
pre{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px;overflow-x:auto;max-height:400px;overflow-y:auto;font-size:13px}
.filters{display:grid;grid-template-columns:minmax(180px,1fr) 170px 140px auto;gap:10px;width:min(760px,100%)}.inline-form{display:inline-flex;margin:0 6px 6px 0}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:18px 0}.metric-grid div{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:16px;display:grid;gap:4px}.metric-grid strong{color:var(--brand);font-size:30px}
.admin-links{display:flex;flex-wrap:wrap;gap:8px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}th{color:var(--muted);font-size:13px;background:var(--soft)}
@media(max-width:760px){.site-header{position:static;align-items:flex-start;flex-direction:column}.hero,.detail-head,.two-col{grid-template-columns:1fr}.filters{grid-template-columns:1fr;width:100%}h1{font-size:28px}}