:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#100e15;--panel:#19161f;--text:#faf9fc;--muted:#aaa4b3;--accent:#a2e534;--line:#ffffff17}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:PingFang SC,Microsoft YaHei,sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.checkout{grid-template-columns:1fr 1fr;max-width:1440px;min-height:100vh;margin:auto;display:grid}.summary{background:radial-gradient(at 0 60%,#a2e5340b,#0000 70%);flex-direction:column;padding:48px clamp(32px,6vw,100px);display:flex}.back{color:var(--muted);margin-bottom:70px;font-size:14px}.brand{align-items:center;gap:13px;margin-bottom:40px;display:flex}.brand-mark{background:var(--accent);color:#142000;border-radius:14px;place-items:center;width:46px;height:46px;font-size:30px;font-weight:700;display:grid}.brand strong{font-size:19px}.brand small{color:var(--muted);margin-top:5px;font-size:13px;display:block}h1{margin:0 0 15px;font-size:25px;font-weight:600;line-height:1.5}.price{letter-spacing:-2px;font-variant-numeric:tabular-nums;font-size:56px;font-weight:650}.price span{letter-spacing:1px;color:var(--muted);margin-left:14px;font-size:13px}.description{border-top:1px solid var(--line);margin-top:44px;padding-top:24px}.description h2{color:var(--muted);font-size:14px;font-weight:500}.description p{white-space:pre-line;font-size:15px;line-height:2}.summary-note{color:var(--muted);margin-top:auto;padding-top:60px;font-size:13px}.order-number{color:var(--muted);overflow-wrap:anywhere;font-size:12px}.payment-panel{background:var(--panel);border-left:1px solid var(--line);padding:105px clamp(32px,6vw,90px) 45px}.panel-heading h2{margin:0 0 9px;font-size:22px}.panel-heading p,.mobile-notice{color:var(--muted);font-size:13px;line-height:1.7}.panel-heading{margin-bottom:32px}.method{background:#a2e53408;border:1px solid #a2e53466;border-radius:13px;align-items:center;gap:12px;padding:22px 18px;display:flex}.method input{accent-color:var(--accent);width:17px;height:17px}.method>span:last-child{color:var(--muted);margin-left:auto;font-size:12px}.wechat-icon{color:#39cc6c;font-size:25px}.mobile-notice{margin:15px 0 28px}.primary,.secondary{border:0;border-radius:11px;width:100%;padding:16px 22px;font-size:16px;font-weight:600}.primary{background:var(--accent);color:#172000}.secondary{border:1px solid var(--line);color:var(--text);background:#ffffff0b}.status{color:var(--muted);min-height:50px;font-size:14px;line-height:1.8}footer{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:20px;margin-top:32px;font-size:11px;display:flex}.qr{text-align:center;border:1px solid var(--line);border-radius:14px;margin:16px 0;padding:20px}.qr canvas{background:#fff;border-radius:9px;max-width:100%;height:auto}.qr p{color:var(--muted);font-size:13px}.notice{color:#f7cb80;background:#f59e0b0d;border:1px solid #f59e0b44;border-radius:10px;padding:16px;font-size:14px;line-height:1.8}.notice button{color:inherit;background:0 0;border:1px solid #f59e0b55;border-radius:8px;margin-top:10px;padding:10px;display:block}.success{text-align:center;color:var(--accent);padding:25px;font-size:36px}.success h3{font-size:22px}.success p{font-size:14px}.empty{max-width:560px;margin:15vh auto;padding:30px}.empty a{color:var(--accent)}@media (max-width:760px){.checkout{grid-template-columns:1fr}.summary{padding:28px 24px 32px}.back{margin-bottom:30px}.brand{margin-bottom:25px}.price{font-size:45px}.description{margin-top:25px}.summary-note{margin-bottom:0;padding-top:20px}.payment-panel{border-left:0;border-top:1px solid var(--line);padding:32px 24px}}.summary,.payment-panel{min-width:0}.summary h1,.description p,.brand{overflow-wrap:anywhere}.wechat-pay-logo{object-fit:contain;flex-shrink:0;width:32px;height:29px;display:block}.checkout-loading{text-align:center;min-height:100dvh;color:var(--muted);place-items:center;padding:24px;display:grid}.checkout-loading [role=status]{flex-direction:column;align-items:center;gap:16px;display:flex}.checkout-loading p{margin:0;font-size:15px;line-height:1.8}.loading-spinner{border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite checkout-spin}@keyframes checkout-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.loading-spinner{animation:none}}