:root{color-scheme:light;--ink:#19191b;--muted:#7b7b7e;--line:#e1e1e2;--paper:#fff;--page:#fafafa}
*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}a{color:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #767676;outline-offset:4px}h2:focus{outline:none}img{display:block;flex-shrink:0}.site-header{max-width:1100px;min-height:82px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:18px;font-weight:650}.brand-divider{margin:0 12px;color:#bbb;font-weight:400}.brand-service{font-weight:500;font-size:15px}.site-header nav{display:flex;gap:8px;font-size:14px}.site-header nav a{padding:8px 13px;text-decoration:none;color:var(--muted);border-radius:7px}.site-header nav [aria-current]{color:var(--ink);background:#ededee}.site-header nav a:hover{background:#f0f0f1}main{max-width:1008px;margin:64px auto 0;padding:0 24px}.page-heading{margin:0 0 30px}.eyebrow{font-size:11px;color:var(--muted);letter-spacing:.13em;margin:0 0 10px}.page-heading h1{font-size:42px;letter-spacing:-.03em;line-height:1.25;font-weight:650;margin:0 0 12px}.page-heading>p:last-child{font-size:15px;color:var(--muted);margin:0}.steps{list-style:none;padding:0;margin:0 0 22px;display:flex;gap:34px;font-size:13px;color:#89898c}.steps li{display:flex;align-items:center;gap:9px}.steps span{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em}.steps [aria-current]{color:var(--ink);font-weight:600}.redeem-card{background:var(--paper);border:1px solid #d9d9db;border-radius:17px;padding:46px 48px;box-shadow:0 9px 25px #00000009}h2{font-size:23px;line-height:1.5;margin:0 0 4px;font-weight:650;letter-spacing:.005em}.description{font-size:17px;line-height:1.7;color:var(--muted);margin:0 0 29px;overflow-wrap:anywhere}.description a{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;text-decoration-thickness:1px;text-underline-offset:5px;color:#29292b}form>label{display:block;font-size:18px;font-weight:560;margin:0 0 10px}input[type=text],textarea{display:block;width:100%;border:2px solid #252527;border-radius:13px;background:var(--paper);color:var(--ink);padding:15px 18px;line-height:1.6;outline:none}input[type=text]{font-size:18px;min-height:62px}textarea{font:17px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;min-height:252px;resize:vertical}input::placeholder,textarea::placeholder{color:#a0a0a2;opacity:1}input:disabled,textarea:disabled{background:#f7f7f7;color:#737376}.field-note{font-size:12px;color:var(--muted);line-height:1.8;margin:10px 0 0}.button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:62px;border:1px solid #dadadd;border-radius:13px;padding:14px 23px;font-size:18px;font-weight:560;background:var(--paper);color:var(--ink);box-shadow:0 1px 2px #00000008;line-height:1.5;transition:background .15s}.button:hover:not(:disabled){background:#f4f4f5}.button.primary{background:#111113;color:#fff;border-color:#111113}.button.primary:hover:not(:disabled){background:#2e2e31}.button.primary img{filter:invert(1)}.full-width{width:100%;margin-top:30px}.actions{display:grid;grid-template-columns:1fr 1.8fr;gap:12px;margin-top:29px}.valid-label{display:flex;align-items:center;gap:14px;font-size:18px;margin-bottom:27px}.valid-icon{background:#101012;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.valid-icon img{filter:invert(1)}.product-summary{border:1px solid var(--line);padding:23px 24px 26px;display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:30px}.summary-label{display:block;color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:2px}.product-summary strong{display:block;font-size:24px;font-weight:620;line-height:1.4;overflow-wrap:anywhere}.product-price{text-align:right;flex-shrink:0}.product-price strong{font-size:35px;color:#070708;letter-spacing:-.02em}.product-price strong.unquoted{font-size:24px;font-weight:560}.notice{border:1px solid #dededf;background:#f6f6f7;border-radius:9px;padding:13px 16px;font-size:14px;line-height:1.8;margin:0 0 24px;overflow-wrap:anywhere}.notice.error{background:#fff7f5;color:#873f32;border-color:#edc8c1}.account-details{margin:24px 0 28px;border-top:1px solid var(--line)}.account-details>div{padding:15px 0;display:grid;grid-template-columns:125px minmax(0,1fr);gap:20px;border-bottom:1px solid var(--line)}.account-details dt{color:var(--muted);font-size:14px}.account-details dd{font-size:16px;font-weight:550;margin:0;overflow-wrap:anywhere}.account-details .account-email{padding:21px 0}.account-email dd{font-size:21px}.confirmation{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.8;font-weight:400;margin:0}.confirmation input{width:19px;height:19px;margin:3px 0 0;accent-color:#171719;flex-shrink:0}.order-id{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px!important}.progress-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0 19px;color:var(--muted);font-size:13px}.progress-list li{border-top:3px solid #e5e5e7;padding-top:12px}.progress-list .complete{border-color:#222225;color:var(--ink)}.progress-list .current{border-color:#77777b;color:var(--ink);font-weight:600}.page-footer{display:flex;justify-content:space-between;gap:16px;color:#939398;font-size:11px;margin:26px 0 42px}#result-title{font-size:28px;margin-bottom:10px}#result-label{margin-bottom:11px}#result-message{font-size:16px;margin-bottom:0}#result-section[data-status=fulfilled] #result-title{color:#171719}
@media(max-width:700px){.site-header{padding:0 20px;min-height:70px}.brand{font-size:16px;gap:9px}.brand-divider,.brand-service{display:none}.site-header nav{gap:2px;font-size:12px}.site-header nav a{padding:7px 10px}main{margin-top:37px;padding:0 18px}.page-heading{margin-bottom:24px}.page-heading h1{font-size:34px}.page-heading>p:last-child{font-size:13px}.steps{justify-content:space-between;gap:10px;font-size:12px;margin-bottom:18px}.steps li{gap:6px}.redeem-card{padding:26px 23px;border-radius:14px}h2{font-size:20px}.description{font-size:14px;line-height:1.9;margin-bottom:22px}form>label{font-size:16px}input[type=text]{min-height:55px;font-size:15px;padding:13px}textarea{min-height:226px;font-size:14px;padding:13px}.product-summary{padding:18px 17px;gap:12px;margin-bottom:25px}.product-summary strong{font-size:18px}.summary-label{font-size:12px}.product-price strong{font-size:26px}.product-price strong.unquoted{font-size:18px}.valid-label{font-size:16px;gap:11px;margin-bottom:22px}.valid-icon{width:29px;height:29px}.button{font-size:15px;min-height:54px;padding:12px 13px;border-radius:10px;gap:8px}.actions{grid-template-columns:1fr 1.7fr;gap:10px;margin-top:25px}.account-details>div{grid-template-columns:90px minmax(0,1fr);gap:12px;padding:13px 0}.account-details dt{font-size:12px}.account-details dd{font-size:14px}.account-email dd{font-size:17px}.notice{font-size:13px;padding:12px}.confirmation{font-size:13px;gap:10px}.progress-list{font-size:11px;gap:8px}#result-title{font-size:24px}#result-message{font-size:14px}.page-footer{font-size:10px;margin-top:22px;flex-wrap:wrap}}
@media(max-width:390px){.redeem-card{padding:23px 18px}.product-summary{padding:16px 12px}.product-summary strong{font-size:16px}.product-price strong{font-size:23px}.actions{grid-template-columns:1fr}.actions .primary{grid-row:1}.steps{font-size:11px;gap:6px}.page-footer{gap:5px}.account-details>div{grid-template-columns:76px minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* H5 baseline */
@media(max-width:480px){html,body{overflow-x:hidden}.site-header{min-height:0;padding:13px 16px 10px;display:block}.site-header nav{display:flex;width:100%;margin-top:10px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}.site-header nav::-webkit-scrollbar{display:none}.site-header nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;flex:1 0 auto}main{margin-top:30px;padding:0 16px}input[type=text],textarea{font-size:16px}.redeem-card{padding:22px 17px}.steps{overflow-x:auto;justify-content:flex-start;padding-bottom:3px;scrollbar-width:none}.steps::-webkit-scrollbar{display:none}.steps li{flex:0 0 auto;min-height:44px}.product-summary{align-items:flex-start;flex-direction:column}.product-price{text-align:left}.account-details>div{grid-template-columns:1fr;gap:4px}.progress-list{grid-template-columns:1fr;gap:8px}.progress-list li{min-height:44px}.page-footer{padding-bottom:calc(20px + env(safe-area-inset-bottom))}}