:root{--ink:#1d1d1f;--muted:#78787d;--line:#e4e3df;--canvas:#faf9f6;--paper:#fff;--gold:#c4883a;--gold-dark:#ac712c;--gold-soft:#fbf4e8;--green:#2e9760;--danger:#bd3f3f}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}[hidden]{display:none!important}.site-nav{height:64px;padding:0 38px;display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.93)}.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:650}.brand i{font-style:normal;color:#aaa}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--gold);color:#fff;font-size:14px}.site-nav nav{position:absolute;left:50%;display:flex;gap:30px;transform:translateX(-50%);font-size:13px;color:#666}.site-nav nav a:hover{color:var(--gold)}.back-plans{margin-left:auto;display:flex;align-items:center;gap:7px;min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#666;font-size:12px;font-weight:600}.back-plans:hover{border-color:var(--gold);color:var(--gold)}.redeem-shell{width:min(980px,calc(100% - 36px));margin:0 auto;padding:69px 0 80px}.redeem-intro{text-align:center}.eyebrow{margin:0 0 13px;color:var(--gold);font-size:10px;font-weight:700;letter-spacing:.16em}.redeem-intro h1{margin:0;font-size:39px;letter-spacing:0}.redeem-intro>p:not(.eyebrow){max-width:570px;margin:15px auto 28px;color:var(--muted);font-size:14px;line-height:1.75}.steps{display:flex;align-items:center;justify-content:center;gap:11px;margin-bottom:38px}.steps div{display:flex;align-items:center;gap:7px;color:#aaa;font-size:11px}.steps span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:9px}.steps .active{color:var(--gold-dark)}.steps .active span{border-color:#ddbc8c;background:var(--gold-soft)}.steps i{width:43px;height:1px;background:var(--line)}.redeem-grid{display:grid;grid-template-columns:minmax(0,630px) 270px;gap:22px;align-items:start}.redeem-card,.redeem-aside{border:1px solid var(--line);border-radius:10px;background:#fff}.redeem-card{padding:29px 32px 32px}.card-heading{display:flex;align-items:center;gap:13px;padding-bottom:23px;border-bottom:1px solid var(--line)}.card-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:9px;background:var(--gold-soft);color:var(--gold);font-weight:700}.card-heading h2{margin:0 0 5px;font-size:18px}.card-heading p{margin:0;color:#999;font-size:11px}form{padding-top:24px}.field{margin-bottom:17px}.field label{display:block;margin-bottom:8px;font-size:12px;font-weight:650}.field>input,.phone-input{width:100%;height:46px;border:1px solid #d8d7d3;border-radius:8px;background:#fbfbfa;transition:.2s}.field>input{padding:0 13px;color:var(--ink);font:inherit;font-size:14px;letter-spacing:.06em;text-transform:uppercase;outline:0}.field>input:focus,.phone-input:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px rgba(196,136,58,.1);background:#fff}.phone-input{display:flex;align-items:center;overflow:hidden}.phone-input span{padding:0 12px;border-right:1px solid var(--line);color:#777;font-size:12px}.phone-input input{min-width:0;flex:1;height:44px;padding:0 13px;border:0;background:transparent;font:inherit;font-size:14px;outline:0}.field-hint{margin:6px 0 0;color:#aaa;font-size:10px}.field-error{min-height:14px;margin:3px 0 -5px;color:var(--danger);font-size:10px}.confirm-row{display:flex;align-items:flex-start;gap:8px;margin:1px 0 17px;color:#777;font-size:11px}.confirm-row input{width:16px;height:16px;margin:0;accent-color:var(--gold)}.form-status{margin-bottom:14px;padding:10px 11px;border-left:3px solid var(--danger);border-radius:6px;background:#fff3f1;color:#9e332e;font-size:11px;line-height:1.55}.form-status.success{border-color:var(--green);background:#eff9f2;color:#267d4e}.submit-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:47px;border:0;border-radius:8px;background:var(--gold);color:#fff;font:inherit;font-size:13px;font-weight:650;cursor:pointer}.submit-button:hover{background:var(--gold-dark);box-shadow:0 7px 18px rgba(196,136,58,.22)}.submit-button:disabled{opacity:.6;cursor:wait}.redeem-aside{padding:27px 23px}.aside-mark{display:grid;place-items:center;width:36px;height:36px;margin-bottom:17px;border-radius:50%;background:var(--gold-soft);color:var(--gold)}.redeem-aside h2{margin:0 0 18px;font-size:16px}.redeem-aside ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}.redeem-aside li{position:relative;padding-left:18px;color:#777;font-size:11px;line-height:1.6}.redeem-aside li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}.aside-support{display:flex;justify-content:space-between;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:10px}.aside-support span{color:#aaa}.aside-support a{color:var(--gold-dark);font-weight:600}@media(max-width:720px){.site-nav{padding:0 16px}.site-nav nav{display:none}.brand span:last-child{font-size:14px}.redeem-shell{padding:46px 0 55px}.redeem-intro h1{font-size:32px}.steps strong{display:none}.steps i{width:26px}.redeem-grid{grid-template-columns:1fr}.redeem-card{padding:24px 20px}.redeem-aside{order:2}}