*{box-sizing:border-box}body{margin:0;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f5f7fb;color:#1f2937}a{text-decoration:none;color:var(--primary,#3478f6)}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.muted{color:#6b7280}.success,.error{padding:12px 14px;border-radius:12px;margin-bottom:16px}.success{background:#ecfdf3;color:#027a48}.error{background:#fef3f2;color:#b42318}
.mall-container{width:min(1180px,calc(100% - 32px));margin:0 auto}.mall-header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:20}.mall-head-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.mall-logo{display:flex;gap:12px;align-items:center}.mall-logo span{width:44px;height:44px;border-radius:14px;background:var(--primary,#3478f6);color:#fff;display:grid;place-items:center;font-weight:700}.mall-logo strong{font-size:20px}.order-query{padding:10px 16px;background:var(--primary,#3478f6);color:#fff;border-radius:12px}
.float-help{position:fixed;left:0;top:120px;display:grid;gap:12px;z-index:30}.float-help a{padding:10px 14px;background:#3b82f6;color:#fff;border-radius:0 12px 12px 0;box-shadow:0 8px 20px rgba(59,130,246,.2)}.float-help .red{background:#ef4444}
.mall-main{padding:24px 0 120px}.shop-info,.panel,.order-card,.login-card,.admin-form{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 8px 30px rgba(15,23,42,.04)}.shop-info{display:flex;gap:16px;align-items:center;padding:16px 20px;margin-bottom:20px}.shop-info .divider{width:1px;height:18px;background:#e5e7eb}.panel{padding:20px;margin-bottom:20px}.section-title{font-size:18px;font-weight:700;margin-bottom:14px}.search-row{display:flex;gap:12px}.search-row input,.search-row button,.quantity input,.quantity button,.admin-form input,.admin-form select,.admin-form textarea,.login-card input,.admin-search input,.admin-search select{border:1px solid #dbe4f0;border-radius:12px;padding:10px 12px;background:#fff}.search-row input{flex:1}.search-row button,.pay-btn,.admin-form button,.login-card button{border:0;border-radius:12px;background:var(--primary,#3478f6);color:#fff;padding:10px 16px;font-weight:700}
.category-list,.goods-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.category-card,.goods-card{border:1px solid #e5e7eb;border-radius:16px;padding:18px;background:#fafbff;transition:.2s}.category-card.active,.goods-card.active{border-color:var(--primary,#3478f6);box-shadow:0 10px 24px rgba(52,120,246,.14);background:#fff}.category-card h3,.goods-card h3{margin:0 0 8px;font-size:16px}.category-card p,.goods-card p{margin:0;color:#6b7280}.goods-icon{width:36px;height:36px;border-radius:12px;background:#eaf2ff;color:var(--primary,#3478f6);display:grid;place-items:center;margin-bottom:12px}.goods-card strong{display:block;color:#ef4444;font-size:22px;margin-bottom:8px}.goods-card p.empty{color:#ef4444}.notice-panel pre{margin:0;white-space:pre-wrap;word-break:break-word;background:#f8fafc;padding:14px;border-radius:12px}
.buy-bar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #e5e7eb;z-index:25}.buy-inner{display:grid;grid-template-columns:1.2fr auto 1fr auto;gap:16px;align-items:center;padding:14px 0}.buy-name{display:flex;gap:8px;align-items:center;font-weight:700}.quantity{display:flex;align-items:center;gap:8px}.quantity input{width:72px;text-align:center}.quantity button{width:40px;height:40px}.amount b{display:block;font-size:24px;color:#ef4444}.amount s,.amount em{display:block;color:#6b7280;font-style:normal}.pay-btn{padding:14px 24px}
.pay-modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;place-items:center;z-index:50}.pay-dialog{width:min(92vw,420px);background:#fff;border-radius:18px;padding:24px}.pay-dialog h3{margin-top:0}.modal-tip{color:#6b7280}.pay-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:18px}.pay-actions .cancel{background:#e5e7eb;color:#111827}
.order-page{min-height:100vh;display:grid;place-items:center;padding:24px}.order-card{width:min(860px,100%);padding:28px}.order-card h1{margin-top:0}.order-card dl{display:grid;grid-template-columns:140px 1fr;gap:12px 16px;margin:0 0 24px}.order-card dt{font-weight:700}.order-card dd{margin:0;word-break:break-all}.payment-box{background:#f8fafc;border-radius:16px;padding:18px;margin-bottom:20px}.payment-box textarea{width:100%;min-height:110px;border:1px solid #dbe4f0;border-radius:12px;padding:12px;margin:14px 0}.payment-box button{border:0;border-radius:12px;background:var(--primary,#3478f6);color:#fff;padding:10px 16px}.qrcode-image,.qrcode-preview{max-width:240px;border:1px solid #e5e7eb;border-radius:16px;padding:8px;background:#fff}.order-actions{display:flex;gap:12px;align-items:center}.order-actions a,.order-actions button{border:0;border-radius:12px;padding:10px 16px;background:var(--primary,#3478f6);color:#fff}.order-actions button{background:#111827}
.admin-login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:28px}.login-card h1{margin-top:0}.login-card p{color:#6b7280}.login-card input,.login-card button{width:100%;margin-top:12px}
.admin-page{background:#f3f6fb}.admin-top{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;background:#111827;color:#fff}.admin-top nav{display:flex;gap:16px}.admin-top a{color:#fff}.admin-main{width:min(1380px,calc(100% - 32px));margin:24px auto}.admin-form{padding:20px;margin-bottom:20px}.admin-form h2{margin-top:0}.admin-search{display:grid;grid-template-columns:2fr 2fr 1.4fr auto;gap:12px;margin-bottom:16px}.admin-search button{border:0;border-radius:12px;background:#3478f6;color:#fff;padding:10px 16px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid label,.admin-form>label{display:grid;gap:8px}.admin-form textarea{width:100%;min-height:120px}.order-table{overflow:auto}.order-table table{width:100%;border-collapse:collapse;min-width:860px}.order-table th,.order-table td{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}.product-actions{display:flex;gap:8px;flex-wrap:wrap}.product-actions form{margin:0}.danger{background:#ef4444!important}.card-secret{max-width:260px;word-break:break-all}.upload-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.mall-footer{text-align:center;color:#6b7280;padding:8px 0 100px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.admin-link-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:10px 14px;background:#111827;color:#fff}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat-card{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:18px}.stat-card strong{display:block;font-size:28px;color:#111827}.stat-card span{color:#6b7280}.status-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}.success-badge{background:#ecfdf3;color:#027a48}.fail-badge{background:#fef3f2;color:#b42318}.paid-badge{background:#eff6ff;color:#1d4ed8}.warn-badge{background:#fffbeb;color:#b45309}.wait-badge{background:#f3f4f6;color:#374151}.pagination-wrap{margin-top:18px}.pagination-wrap ul{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}.pagination-wrap li{display:inline-flex}.pagination-wrap a,.pagination-wrap span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid #dbe4f0;border-radius:10px;background:#fff;color:#111827}.pagination-wrap .active span{background:#3478f6;border-color:#3478f6;color:#fff}.balance-panel{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:16px;padding:14px 16px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px}.balance-panel strong{color:#111827}
@media(max-width:900px){.buy-inner{grid-template-columns:1fr;justify-items:start}.grid,.admin-search,.stat-grid{grid-template-columns:1fr}.shop-info{flex-direction:column;align-items:flex-start}.shop-info .divider{display:none}.order-card dl{grid-template-columns:1fr}.search-row,.section-head{flex-direction:column;align-items:stretch}}