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16px;margin-top:14px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:12px}.pd-buy-row-item{display:flex;align-items:center;justify-content:space-between;gap:12px}.pd-buy-row-label{font-size:14px;color:var(--text-mid);font-weight:500;flex-shrink:0}.pd-qty-control{display:flex;align-items:center;gap:0;background:#f4f6f5;border-radius:999px;padding:2px}.pd-qty-btn{width:28px;height:28px;border-radius:50%;border:none;background:transparent;color:var(--text);font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;line-height:1}.pd-qty-btn:disabled{color:var(--text-light);cursor:not-allowed}.pd-qty-btn:not(:disabled):active{background:#e6e8e7}.pd-qty-value{min-width:30px;text-align:center;font-size:15px;font-weight:700;color:var(--text)}.pd-pay-method{display:flex;align-items:center;gap:8px}.pd-pay-chip{display:flex;align-items:center;gap:5px;padding:7px 11px;border-radius:999px;border:1.5px solid transparent;background:#f4f6f5;color:var(--text-mid);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.pd-pay-chip.active{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}.pd-pay-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;font-size:11px;font-weight:700;line-height:1}.pd-pay-icon-cny,.pd-pay-icon-usdt{background:#27aa7226;color:var(--brand)}.pd-detail-card{padding:18px 18px 22px}.pd-detail-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid #eef0f2}.pd-detail-text{font-size:14.5px;color:var(--text-mid);line-height:1.7}.pd-tip-card{background:var(--white);border-radius:var(--radius-lg);padding:14px 16px;margin-top:14px;display:flex;align-items:flex-start;gap:12px;box-shadow:var(--shadow-card)}.pd-tip-icon{width:22px;height:22px;flex-shrink:0;color:var(--brand);margin-top:2px}.pd-tip-text{flex:1;font-size:13px;color:var(--text-mid);line-height:1.55}.pd-bottom-space{height:96px}.pd-buy-bar{position:fixed;left:0;right:0;bottom:0;padding:12px 14px calc(12px + env(safe-area-inset-bottom,0px));background:var(--white);box-shadow:0 -4px 20px #0000000f;z-index:10}.pd-buy-btn{width:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-end) 100%);color:#fff;padding:14px 28px;border-radius:999px;font-size:16px;font-weight:700;letter-spacing:.3px;transition:transform .1s ease;box-shadow:0 6px 18px #2fbf7147}.pd-buy-btn:active{transform:scale(.98)}.pd-buy-btn.disabled{background:#d5d9d7;color:#fff;box-shadow:none}@media (min-width: 640px){body{max-width:480px;margin:0 auto;box-shadow:0 0 0 1px #0000000a}}@media (max-width: 360px){.me-name{font-size:18px}.me-balance-amount{font-size:22px}.co-product-cover{width:72px;height:72px}}