:root{
  --ink:#14171c;
  --paper:#f4f1ea;
  --paper-2:#ece7db;
  --line:#cfc8b8;
  --accent:#c0532b;
  --accent-2:#1f6f5c;
  --muted:#6b6657;
  --ok:#2e7d4f;
  --bad:#b3261e;
  --shadow:0 1px 0 #fff inset, 0 18px 40px -28px rgba(20,23,28,.6);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 0 auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* 不对称栅格：左侧宽内容 + 右侧窄边栏 */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grid{display:grid;grid-template-columns:1.9fr 1fr;gap:34px;align-items:start}
.grid.rev{grid-template-columns:1fr 1.9fr}
@media(max-width:880px){.grid,.grid.rev{grid-template-columns:1fr}}

/* 顶栏 */
.topbar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fbf9f3,#f1ece1);
}
.topbar .row{display:flex;justify-content:space-between;align-items:center;height:64px}
.brand{font-weight:800;letter-spacing:.5px;font-size:20px;display:flex;align-items:center;gap:10px}
.brand .mark{
  width:30px;height:34px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:14px;font-weight:800;transform:skewX(-6deg)
}
.nav{display:flex;gap:14px;align-items:center;font-size:14px;white-space:nowrap}
.nav-links{display:flex;gap:18px;align-items:center}
.nav a{color:var(--muted);white-space:nowrap}
.nav a:hover{color:var(--ink);text-decoration:none}
.nav-user{font-size:12px;color:var(--muted);background:var(--paper-2);padding:4px 10px;border-radius:2px;border:1px solid var(--line);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang-select{font-size:13px;padding:5px 22px 5px 8px;border:1px solid var(--line);border-radius:2px;background:#fffefb url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236b6657' d='M0 1l5 4 5-4'/%3E%3C/svg%3E") no-repeat right 8px center;background-size:10px 6px;color:var(--ink);font-family:inherit;cursor:pointer;appearance:none;-webkit-appearance:none;white-space:nowrap}
.lang-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,83,43,.12)}
@media(max-width:640px){.nav{gap:10px}.nav-links{gap:12px;font-size:13px}.nav-user{display:none}.lang-select{font-size:12px;padding:4px 18px 4px 6px}}

/* 卡片 */
.card{
  background:#fffdf8;border:1px solid var(--line);border-radius:3px;
  box-shadow:var(--shadow);padding:22px;
}
.card.offset{margin-top:38px}
.tilt{transform:rotate(-.4deg)}
.tilt-r{transform:rotate(.5deg)}

h1{font-size:30px;margin:6px 0 14px;letter-spacing:.3px}
h2{font-size:20px;margin:0 0 14px;border-left:4px solid var(--accent);padding-left:10px}
.muted{color:var(--muted);font-size:13px}
.kicker{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--accent-2);font-weight:700}

/* 表单 */
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px;font-weight:600}
input[type=text],input[type=password],input[type=email],input[type=number],textarea,select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:2px;
  background:#fffefb;font-size:15px;color:var(--ink);font-family:inherit;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,83,43,.12)}
textarea{resize:vertical;min-height:90px}

.btn{
  display:inline-block;cursor:pointer;border:none;border-radius:2px;
  padding:12px 22px;font-size:15px;font-weight:700;letter-spacing:.4px;
  background:var(--ink);color:var(--paper);transition:.15s;
}
.btn:hover{background:var(--accent);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink);background:#fff}
.btn.sm{padding:7px 13px;font-size:13px}
.btn.danger{background:var(--bad)}
.btn.danger:hover{background:#8d1c16}
.btn.ok{background:var(--ok)}
.btn.ok:hover{background:#225f3b}

/* 商品 */
.product{display:block;color:inherit;text-decoration:none;border:1px solid var(--line);background:#fffdf8;border-radius:3px;overflow:hidden;box-shadow:var(--shadow)}
.product:hover{text-decoration:none}
.product .thumb{aspect-ratio:16/10;background:var(--paper-2);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.product .body{padding:16px;display:flex;flex-direction:column;gap:8px}
.product .body .meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.price{font-size:22px;font-weight:800;color:var(--accent)}
.price small{font-size:13px;color:var(--muted);font-weight:500}
.row-price{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto}
.tag{display:inline-block;font-size:11px;letter-spacing:1px;background:var(--paper-2);color:var(--muted);padding:2px 8px;border-radius:2px}

/* 商品详情 */
.detail-card{padding:0;overflow:hidden}
.detail-media{aspect-ratio:16/9;background:var(--paper-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.detail-media img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:880px){.detail-media{aspect-ratio:4/3}}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
th{font-size:12px;letter-spacing:1px;color:var(--muted);text-transform:uppercase;background:var(--paper-2)}
tr:hover td{background:#fffefb}

/* 状态徽标 */
.badge{padding:3px 9px;border-radius:2px;font-size:12px;font-weight:700}
.b-pend{background:#f3e2c7;color:#8a5a14}
.b-paid{background:#dcefe0;color:var(--ok)}
.b-ref{background:#f6d9d6;color:var(--bad)}
.b-off{background:#e4e1d8;color:var(--muted)}

/* 提示 */
.notice{padding:13px 16px;border-radius:2px;font-size:14px;margin:14px 0}
.notice.err{background:#fbe6e4;color:#8d1c16;border:1px solid #f0c4bf}
.notice.ok{background:#e2f1e6;color:#225f3b;border:1px solid #bfe0c8}
.notice.info{background:#e7eef2;color:#27566b;border:1px solid #c5d7e0}

/* 统计块 */
.stat{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat .b{background:#fffdf8;border:1px solid var(--line);padding:18px;border-radius:3px}
.stat .n{font-size:26px;font-weight:800}
.stat .l{font-size:12px;color:var(--muted);letter-spacing:1px}

/* 侧边信息条 */
.aside{position:sticky;top:84px}
.aside .note{border:1px dashed var(--line);background:var(--paper-2);padding:16px;font-size:13px;color:var(--muted);border-radius:3px}

footer{border-top:1px solid var(--line);margin-top:48px;padding:26px 0;color:var(--muted);font-size:12px}
.foot-info{display:flex;flex-direction:column;gap:8px}
.foot-links a{color:var(--accent)}
.foot-beian{color:var(--muted);font-size:12px;line-height:1.8}
.foot-copy{color:var(--muted);font-size:12px}

/* 授权缺失时整站灰显 */
body.locked{filter:grayscale(1);opacity:.62}
body.locked a,body.locked .btn,body.locked input,body.locked textarea{pointer-events:auto}
.lock-tip{position:fixed;right:16px;bottom:16px;z-index:999;background:var(--bad);color:#fff;font-size:13px;font-weight:700;padding:10px 16px;border-radius:3px;box-shadow:0 10px 30px -12px rgba(0,0,0,.5)}
.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
hr{border:none;border-top:1px solid var(--line);margin:20px 0}