:root{--primary:#4f46e5;--primary-weak:#eef2ff;--bg:#f6f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--up:#dc2626;--down:#16a34a;--warn:#b45309;--radius:14px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Helvetica Neue,sans-serif}.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.shell{max-width:420px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.page{flex:1 1;padding:12px 12px 76px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 2px}.brand{font-size:18px;font-weight:800;letter-spacing:.5px}.brand em{color:var(--primary);font-style:normal}.wallet-chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:600;cursor:pointer}.wallet-chip.on{border-color:var(--primary);color:var(--primary)}.card{background:var(--card);border-radius:var(--radius);padding:14px;margin-bottom:12px;box-shadow:0 1px 2px rgb(0 0 0/4%)}.section-title{font-size:16px;font-weight:700;margin:16px 2px 10px;display:flex;align-items:center;gap:8px}.tag{font-size:10px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--primary-weak);color:var(--primary)}.tag.gray{background:#f3f4f6;color:var(--muted)}.tag.green{background:#e4f0e9;color:var(--down)}.tag.amber{background:#fef3c7;color:var(--warn)}.tag.red{background:#fee2e2;color:var(--up)}.stat-hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:var(--radius);padding:18px 16px;margin-bottom:12px}.stat-hero .label{font-size:12px;opacity:.85}.stat-hero .value{font-size:28px;font-weight:800;margin-top:4px}.sess{display:flex;align-items:center;justify-content:space-between;gap:10px}.sess-name{font-size:14px;font-weight:700}.sess-meta{font-size:11px;color:var(--muted);margin-top:3px}.btn{border:none;border-radius:10px;padding:9px 16px;font-size:13px;font-weight:700;cursor:pointer}.btn.primary{background:var(--primary);color:#fff}.btn.ghost{background:var(--primary-weak);color:var(--primary)}.btn.block{width:100%;padding:12px;font-size:14px}.btn:disabled{opacity:.5;cursor:not-allowed}.holding-card .row1{display:flex;justify-content:space-between;align-items:center}.holding-card .title{font-weight:700;font-size:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-top:10px}.kv{background:#fafafa;border-radius:10px;padding:8px 10px}.kv .k{font-size:10px;color:var(--muted)}.kv .v{font-size:14px;font-weight:700;margin-top:2px}.kv .v.up{color:var(--up)}.listing{display:flex;align-items:center;justify-content:space-between;gap:10px}.price{color:var(--up);font-weight:800;font-size:16px}.sheet-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50}.sheet{width:100%;max-width:420px;background:#fff;border-radius:18px 18px 0 0;padding:18px 16px 24px}.sheet h3{font-size:16px;font-weight:800;margin-bottom:12px}.pay-row{display:flex;justify-content:space-between;font-size:13px;padding:7px 0;border-bottom:1px dashed var(--line)}.pay-row .k{color:var(--muted)}.steps{margin:12px 0}.step{display:flex;gap:10px;align-items:center;padding:6px 0;font-size:13px;color:var(--muted)}.step.on{color:var(--text);font-weight:700}.step .dot{width:18px;height:18px;border-radius:50%;background:#e5e7eb;color:#fff;font-size:10px;display:flex;align-items:center;justify-content:center}.step.on .dot{background:var(--primary)}.risk-note{font-size:10px;color:var(--muted);line-height:1.6}.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:420px;background:#fff;border-top:1px solid var(--line);display:flex;padding:6px 0 10px;z-index:40}.tab-item{flex:1 1;text-align:center;color:var(--muted);font-size:10px;font-weight:600;cursor:pointer;background:none;border:none}.tab-item .t-ico{font-size:20px;display:block;margin-bottom:2px}.tab-item.active{color:var(--primary)}.center-tip{text-align:center;color:var(--muted);font-size:13px;padding:40px 20px}