:root{--bg: #ffffff;--surface: #f7f7f5;--border: #e6e4dd;--text: #1c1c1a;--text-2: #5f5e5a;--primary: #185fa5;--primary-600: #0c447c;--primary-50: #e6f1fb;--danger: #a32d2d;--success: #3b6d11;--radius: 10px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;font-size:15px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:440px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:50}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:56px}.brand{font-weight:600;font-size:17px;color:var(--text)}.brand:hover{text-decoration:none}.nav{display:flex;gap:18px;align-items:center;font-size:14px}.nav a{color:var(--text-2)}.nav a:hover{color:var(--text);text-decoration:none}.nav .btn-link{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--primary);color:#fff;border:none;border-radius:8px;padding:9px 18px;font-size:14px;font-weight:500;cursor:pointer;font-family:var(--font)}.btn:hover{background:var(--primary-600)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface)}.btn-danger{background:#fff;color:var(--danger);border:1px solid #e7c6c6}.btn-danger:hover{background:#fdf2f2}.btn-sm{padding:5px 12px;font-size:13px;border-radius:6px}.btn-block{width:100%}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}.form-field{margin-bottom:14px}.form-field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:5px}.input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--font);background:#fff;color:var(--text)}.input:focus{outline:2px solid var(--primary-50);border-color:var(--primary)}textarea.input{min-height:120px;resize:vertical}.form-error{background:#fdf2f2;border:1px solid #f0cccc;color:var(--danger);padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}.form-ok{background:#f2f8ec;border:1px solid #d3e5bb;color:var(--success);padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}.alert-error{background:#fdf2f2;color:var(--danger);border:1px solid #f0cccc}.alert-ok{background:#f2f8ec;color:var(--success);border:1px solid #d3e5bb}.muted{color:var(--text-2);font-size:13px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-40{margin-top:40px}.text-center{text-align:center}.flex{display:flex;gap:10px;align-items:center}.flex-between{display:flex;justify-content:space-between;align-items:center}.grid-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.product-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}.product-card:hover{border-color:#d6d3c9}.product-card .thumb{aspect-ratio:4/3;background:var(--surface);overflow:hidden}.product-card .thumb img{width:100%;height:100%;object-fit:cover}.product-card .body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}.product-card .title{font-weight:500;font-size:15px;color:var(--text)}.product-card .price{color:var(--primary-600);font-weight:600}.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:500}.badge-gray{background:var(--surface);color:var(--text-2)}.badge-blue{background:var(--primary-50);color:var(--primary-600)}.badge-green{background:#f2f8ec;color:var(--success)}.badge-red{background:#fdf2f2;color:var(--danger)}.badge-amber{background:#fdf6e8;color:#854f0b}table.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;font-weight:500;color:var(--text-2);font-size:13px;padding:10px 12px;border-bottom:1px solid var(--border);background:var(--surface);white-space:nowrap}.table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:hover td{background:#fafaf8}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stat-card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:#fff}.stat-card .label{font-size:13px;color:var(--text-2)}.stat-card .value{font-size:24px;font-weight:600;margin-top:4px}.page-title{font-size:20px;font-weight:600;margin:0 0 4px}.page-desc{color:var(--text-2);font-size:14px;margin:0 0 20px}.footer{border-top:1px solid var(--border);margin-top:60px;padding:28px 0;color:var(--text-2);font-size:13px}.footer a{color:var(--text-2);margin-right:16px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px}.tabs a{padding:8px 14px;font-size:14px;color:var(--text-2);border-bottom:2px solid transparent;margin-bottom:-1px}.tabs a.active{color:var(--primary-600);border-bottom-color:var(--primary);font-weight:500}.tabs a:hover{text-decoration:none}.prose{max-width:720px}.prose h1{font-size:26px}.prose h2{font-size:18px;margin-top:28px}.prose p{color:#333}.pay-modal-mask{position:fixed;inset:0;background:#14141473;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.pay-modal{background:#fff;border-radius:14px;width:100%;max-width:460px;max-height:calc(100vh - 40px);overflow:auto;position:relative}.pay-modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);font-weight:500}.pay-modal-close{border:none;background:none;font-size:20px;cursor:pointer;color:var(--text-2);line-height:1;padding:4px}.pay-modal-body{padding:6px 0 0}.pay-loading{padding:60px 20px;text-align:center;color:var(--text-2);font-size:14px}.pay-done{padding:40px 20px;text-align:center}