:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --bg: #f5f6fa;
    --card: #ffffff;
    --text: #1f2330;
    --muted: #8a90a2;
    --border: #e6e8ef;
    --danger: #e23b3b;
    --success: #1f9d55;
    --radius: 12px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { font-size: 20px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { color: var(--text); font-size: 15px; }
.nav a:hover { color: var(--primary); }
.userbox { display: flex; align-items: center; gap: 10px; }
.userbox .avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.userbox .uname { font-size: 14px; color: var(--muted); }
.userbox .user-link { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.userbox .user-link:hover .uname { color: var(--primary); }
.btn-link { font-size: 14px; }

.main { padding: 24px 16px 60px; min-height: 70vh; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-danger { background: #fdecec; color: var(--danger); border: 1px solid #f5c2c2; }
.alert-success { background: #e9f8ef; color: var(--success); border: 1px solid #bfe9cf; }

.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.page-head h1 { font-size: 22px; margin: 0; }
.muted { color: var(--muted); }

/* 分类 chips */
.cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip { padding: 6px 14px; background: #fff; border: 1px solid var(--border); border-radius: 999px; font-size: 13px; color: var(--text); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 商品网格 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: .15s; }
.card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); transform: translateY(-2px); }
.card.product { display: block; color: var(--text); }
.card img { width: 100%; height: 160px; object-fit: cover; background: #eee; display: block; }
.card-body { padding: 12px 14px; }
.card-body h3 { margin: 0 0 4px; font-size: 16px; }
.price { color: var(--danger); font-weight: 700; margin: 6px 0 0; }

/* 表单 */
.form-row { margin-bottom: 16px; }
label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--text); }
input[type=text], input[type=tel], input[type=number], input[type=password], textarea, select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 18px; background: var(--primary); color: #fff; border: none; border-radius: 8px;
    font-size: 14px; cursor: pointer; transition: .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.block { width: 100%; }
.btn.ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.claimed { background: var(--success); }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.panel-head h2 { margin: 0; font-size: 18px; }

/* 订单列表 */
.order-item { display: flex; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: #fff; }
.order-item img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; background: #eee; }
.order-item .info { flex: 1; }
.order-item .info h4 { margin: 0 0 4px; font-size: 15px; }
.order-item .price { font-weight: 700; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; background: #eef0f6; color: var(--muted); }
.badge.PAID { background: #e9f8ef; color: var(--success); }
.badge.PENDING { background: #fff4e0; color: #c47d00; }
.badge.REFUNDING, .badge.REFUNDED { background: #fdecec; color: var(--danger); }
.badge.CANCELLED { background: #f0f0f0; color: #888; }
.badge.SERVING { background: #e7f0ff; color: #2b6cd4; }

/* 优惠券 */
.coupon { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border: 1px dashed var(--primary); border-radius: 10px; background: #fafaff; margin-bottom: 12px; }
.coupon > div:first-child { flex: 1; min-width: 0; }
.coupon .c-name { font-weight: 600; font-size: 16px; }
.coupon .c-desc { font-size: 13px; color: var(--muted); margin-top: 2px; }
.coupon.used { border-color: #ccc; background: #f3f3f3; opacity: .8; }

/* 两栏布局 */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } .topbar-inner { gap: 12px; } .nav { gap: 12px; } }

.detail-img { width: 100%; max-width: 420px; border-radius: 10px; background: #eee; }
.kv { font-size: 14px; margin: 6px 0; }
.kv b { display: inline-block; width: 92px; color: var(--muted); font-weight: 400; }

.pager { display: flex; gap: 8px; align-items: center; margin-top: 16px; }
.pager a, .pager span { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: #fff; }
.pager .cur { background: var(--primary); color: #fff; border-color: var(--primary); }

.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); background: #fff; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--primary); }

.qr-box { text-align: center; padding: 20px; }
.qr-box img { max-width: 240px; }
.pay-info { font-size: 13px; color: var(--muted); word-break: break-all; }
.refund-note { margin-top: 4px; color: var(--danger); font-size: 13px; }

/* 优惠券卡片 */
.coupon { position: relative; }
.c-name { font-size: 16px; font-weight: 600; color: var(--text); }
/* 我的优惠券数量：右下角小字 */
.c-qty {
    position: absolute;
    right: 12px;
    bottom: 10px;
    font-size: 12px;
    color: var(--muted);
}
/* 领取行：数量输入 + 按钮 */
.claim-row { display: flex; gap: 8px; align-items: center; }
.claim-qty {
    width: 64px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}
.bal-hint { margin: 4px 0 0; font-size: 12px; }

/* 下单页价格组成 */
.order-summary {
    margin: 14px 0 4px;
    padding: 12px 14px;
    background: #fafbff;
    border: 1px solid var(--border);
    border-radius: 10px;
}
.order-summary .kv { display: flex; justify-content: space-between; padding: 3px 0; }
.order-summary .cut { color: var(--danger); }
.order-summary .kv.total {
    border-top: 1px dashed var(--border);
    margin-top: 6px;
    padding-top: 8px;
    font-size: 15px;
}
.order-summary .warn {
    margin: 8px 0 0;
    color: var(--danger);
    font-size: 12px;
}