*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f3f4f8; --card:#fff; --line:#e8e6f1; --text:#22223a; --muted:#8a8a9e;
  --primary:#6d28d9; --primary-dark:#5b21b6; --primary-soft:#ede9fe;
  --price:#e11d48; --ok:#15803d; --ok-soft:#dcfce7; --warn:#b45309; --warn-soft:#fef3c7;
}
body{font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--primary)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
h1{font-size:22px;margin:12px 0}
h2{font-size:18px;margin:20px 0 12px}

/* 页眉 */
header.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:14px;padding:14px 20px}
.logo{font-size:21px;font-weight:800;color:var(--primary);text-decoration:none;letter-spacing:.5px}
.badge{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px}
.nav{margin-left:auto;display:flex;gap:18px}
.nav a{color:#55556a;text-decoration:none;font-size:15px}
.nav a:hover{color:var(--primary)}
main{min-height:60vh;padding-bottom:32px}

/* 首页横幅 */
.hero{background:linear-gradient(135deg,#6d28d9,#8b5cf6 60%,#a78bfa);border-radius:18px;color:#fff;padding:30px 28px;margin:22px 0 18px}
.hero-title{font-size:26px;font-weight:800}
.hero-sub{opacity:.92;margin-top:6px;font-size:15px}
.hero-stats{display:flex;gap:24px;margin-top:16px;flex-wrap:wrap}
.stat{font-size:14px;opacity:.95}
.stat b{font-size:20px;margin-right:4px}

/* 搜索 */
.search{margin:0 0 16px}
.search input{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font-size:15px;background:#fff;outline:none}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

/* 分类快捷导航 */
.cat-nav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 8px}
.cat-nav a{background:#fff;border:1px solid var(--line);color:#55556a;text-decoration:none;font-size:13px;padding:6px 14px;border-radius:20px}
.cat-nav a:hover{border-color:var(--primary);color:var(--primary)}

/* 商品区 */
.cat-section{margin-bottom:8px}
.cat-section h2{font-size:19px;margin:24px 0 14px;padding-left:12px;border-left:4px solid var(--primary)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--text);display:block;transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(109,40,217,.12);border-color:#d8ccf5}
.card-name{font-weight:600;font-size:15px;line-height:1.5;min-height:45px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.price{color:var(--price);font-weight:800;font-size:17px}
.price.big{font-size:26px}
.stock{font-size:12px;color:var(--muted)}
.tag{font-size:12px;background:var(--ok-soft);color:var(--ok);padding:2px 9px;border-radius:12px;font-weight:600}
.tag.manual{background:var(--warn-soft);color:var(--warn)}
.empty-msg{display:none;text-align:center;color:var(--muted);padding:40px 0}

/* 商品详情 */
.crumbs{font-size:13px;color:var(--muted);margin:18px 0 12px}
.crumbs a{color:var(--muted);text-decoration:none}
.detail-grid{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.detail-main h1{font-size:24px;line-height:1.4;margin:4px 0 8px}
.desc{margin:14px 0;color:#44475a;line-height:1.8}
.buy-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;position:sticky;top:76px;box-shadow:0 8px 24px rgba(30,20,80,.06)}
.buy-card .row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed #eee;gap:16px}
.buy-card form{margin-top:8px}

/* 通用详情卡（支付 / 订单 / 后台） */
.detail{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;margin:22px 0;box-shadow:0 8px 24px rgba(30,20,80,.06)}
.detail.narrow{max-width:480px;margin-left:auto;margin-right:auto}
.detail h1{font-size:22px;margin-bottom:14px}
.detail h2{font-size:17px;margin:20px 0 10px}
.row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed #eee;gap:16px}
.muted{color:var(--muted);font-size:14px}
label{display:block;margin:14px 0;font-size:14px}
input[type=text],input[type=number],input[type=password],select{width:100%;padding:11px 12px;border:1px solid #ddd;border-radius:10px;margin-top:6px;font-size:15px;background:#fff;outline:none}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:13px 32px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;margin-top:14px}
.btn:hover{background:var(--primary-dark)}
.btn.small{padding:9px 18px;font-size:14px}
.btn.ghost{background:#e9e7f3;color:#333}
.btn.block{width:100%;text-align:center}
.alert{background:var(--warn-soft);border:1px solid #fcd34d;color:#92400e;padding:12px 16px;border-radius:10px;margin:14px 0;font-size:14px}
.secret{background:#1f2937;color:#a7f3d0;padding:16px;border-radius:10px;white-space:pre-wrap;word-break:break-all;margin:14px 0}
.ok{color:var(--ok)}.warn{color:var(--warn)}.err{color:var(--price)}
table.orders{width:100%;border-collapse:collapse;background:#fff;font-size:14px}
table.orders th,table.orders td{border:1px solid #eee;padding:10px;text-align:left}

/* 页脚 */
footer{border-top:1px solid var(--line);text-align:center;color:#9a9aab;font-size:13px;padding:26px 0 32px}
footer .foot-note{margin-top:6px}

@media (max-width:760px){
  .detail-grid{grid-template-columns:1fr}
  .buy-card{position:static}
  .hero{padding:22px 18px}
  .hero-title{font-size:22px}
  .header-inner{padding:12px 16px}
  .nav{gap:12px}
}