:root{--paper:#f7f4ec;--surface:#fffefa;--ink:#24231f;--muted:#7a756a;--brand:#f05a3c;--line:#e9e3d8;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #3f7ee8;outline-offset:4px}button{border:0}button:disabled{opacity:.5;cursor:not-allowed}.header{max-width:1060px;margin:auto;padding:30px 28px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:12px;font-size:19px;letter-spacing:2px}.brand strong{font-weight:800}.brand small{display:block;font-size:11px;letter-spacing:3px;color:var(--muted);margin-top:5px}.brand-mark{font-size:42px;color:var(--brand)}.badge{font-size:12px;background:#eee8dd;color:#6e6556;padding:8px 12px;border-radius:30px}main{max-width:1004px;margin:0 auto;padding:12px 28px 130px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--brand);font-weight:800}.hero{position:relative;background:#efe8d7;border-radius:28px;padding:42px;overflow:hidden;min-height:345px}.hero h1{font-size:clamp(30px,4.5vw,46px);line-height:1.35;letter-spacing:-1px;margin:20px 0 16px}.hero p{color:#756b59;max-width:440px;line-height:1.8}.primary,.secondary{display:inline-block;border-radius:13px;padding:15px 24px;font-weight:700;text-align:center}.primary{background:var(--brand);color:white;box-shadow:0 6px 16px #f05a3c28}.secondary{background:white;border:1px solid var(--line)}.hero .primary{margin-top:10px}.brick-stack{position:absolute;right:52px;bottom:42px;transform:rotate(-10deg)}.brick{width:140px;height:50px;border-radius:7px;background:#3f7ee8;box-shadow:inset 0 -12px #0002,0 8px 15px #0001;display:flex;gap:12px;padding:0 13px;margin-top:12px}.brick i{display:block;width:28px;height:15px;border-radius:50%;background:inherit;transform:translateY(-7px);box-shadow:inset 0 -4px #0001}.brick.red{background:#f05a3c;margin-left:35px}.brick.yellow{background:#f6bf3a;margin-left:15px}.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 8px 25px #3d342507}.collection{display:flex;justify-content:space-between;align-items:center;margin:24px 0}.collection small{color:var(--muted)}.count{font-size:42px;font-weight:800;margin-right:10px}.arrow{font-size:35px;color:var(--brand)}.section-title{display:flex;align-items:center;justify-content:space-between;margin:32px 0 18px}.section-title h2{font-size:21px;margin:0}.section-title span{color:var(--muted);font-size:12px;letter-spacing:2px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-number{font-size:13px;color:var(--brand);letter-spacing:2px}.steps h3{font-size:18px;margin-top:24px}.steps p,.muted{color:var(--muted);line-height:1.7;font-size:14px}.notice{font-size:12px;line-height:1.8;color:var(--muted);margin:24px 4px}.heading{margin:18px 0 28px}.heading h1{font-size:32px;margin:14px 0}.heading p{color:var(--muted);line-height:1.7}.narrow{max-width:600px;margin:0 auto}.field-label{display:block;font-size:14px;font-weight:700;margin-bottom:14px}input{width:100%;background:#f7f4ec;border:1px solid var(--line);padding:18px 16px;border-radius:12px;font-size:17px;letter-spacing:1px;text-transform:uppercase}.redeem-form .primary{width:100%;margin-top:20px}.demo-hint{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;background:#fff1df}.demo-hint p{font-size:13px;color:#8b6943;word-break:break-all}.demo-hint button{flex-shrink:0}.help{padding:22px 4px;line-height:1.8;font-size:14px;color:var(--muted)}.empty{text-align:center;padding:65px 20px}.empty .symbol{font-size:64px;color:#cfbda7}.empty p{color:var(--muted);font-size:14px;margin-bottom:25px}.asset-card{display:flex;gap:24px;align-items:center}.asset-card img{width:190px;border-radius:14px;background:var(--paper)}.asset-card h2{font-size:22px;margin:12px 0}.asset-card p{font-size:14px;color:var(--muted)}.tag{font-size:12px;color:#8b421f;background:#fff0db;border-radius:20px;padding:6px 12px}.viewer-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px}.viewer-head h1{font-size:25px}.viewer-image{display:block;width:100%;max-height:65vh;object-fit:contain;background:white;border-radius:18px;cursor:zoom-in}.viewer-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.thumbnails{display:flex;gap:12px;margin-top:18px}.thumbnail{background:white;border:2px solid transparent;border-radius:12px;padding:5px;width:90px}.thumbnail.active{border-color:var(--brand)}.thumbnail img{width:100%;display:block}.thumbnail span{font-size:11px}.profile{text-align:center;padding:35px}.avatar{width:74px;height:74px;display:grid;place-items:center;background:#f6bf3a;margin:auto;border-radius:24px;font-size:36px}.profile h2{margin-bottom:8px}.profile .count{display:block;margin:20px 0 0}.profile .secondary{margin-top:22px}.navigation{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(550px,calc(100% - 32px));display:flex;justify-content:space-around;background:#fffefaf2;border:1px solid var(--line);box-shadow:0 8px 35px #30271915;border-radius:20px;padding:12px 10px;backdrop-filter:blur(12px);z-index:5}.navigation a{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:12px;min-width:65px;color:var(--muted);padding:2px 8px}.navigation a span{font-size:23px;line-height:1.2}.navigation a.active{color:var(--brand);font-weight:700}#toast{position:fixed;left:50%;top:24px;transform:translateX(-50%);background:var(--ink);color:white;padding:15px 24px;border-radius:14px;max-width:90%;z-index:20;font-size:14px;box-shadow:0 8px 25px #0002}dialog{border:0;border-radius:16px;padding:15px;background:white;max-width:95vw;max-height:95vh}dialog::backdrop{background:#171715cf}dialog img{display:block;max-width:85vw;max-height:80vh;object-fit:contain}dialog button{display:block;margin:0 0 12px auto;background:var(--paper);padding:10px 15px;border-radius:10px}
@media(min-width:750px){.hero h1,.hero p{max-width:65%}.narrow{padding-top:10px}}@media(max-width:600px){.header{padding:20px}.brand{font-size:15px}.brand-mark{font-size:34px}.badge{font-size:10px}main{padding:8px 18px 125px}.hero{padding:28px;min-height:390px}.hero h1{font-size:31px}.hero p{max-width:230px;font-size:14px}.brick-stack{right:22px;bottom:35px;transform:rotate(-10deg) scale(.65);transform-origin:bottom right}.steps{grid-template-columns:1fr}.steps .card{padding:20px}.steps h3{margin:12px 0 6px}.steps p{margin:0}.asset-card{align-items:flex-start;gap:16px;padding:18px}.asset-card img{width:110px}.asset-card h2{font-size:18px}.asset-card .primary{padding:11px 15px}.viewer-head h1{font-size:20px}.viewer-head .secondary{padding:10px 14px;white-space:nowrap}.viewer-controls .secondary{padding:12px 17px}.navigation{bottom:calc(12px + env(safe-area-inset-bottom))}}