:root{color-scheme:dark;--bg:#0d1015;--panel:#151920;--panel2:#1b2029;--line:#2a303b;--text:#f4f5f7;--muted:#8d96a6;--accent:#d79a64;--green:#69c59a;--danger:#ef7d7d}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}.ambient{position:fixed;border-radius:50%;filter:blur(110px);opacity:.16;pointer-events:none}.ambient-a{width:420px;height:420px;background:#b97849;top:-180px;right:-120px}.ambient-b{width:380px;height:380px;background:#406b80;bottom:-220px;left:-140px}.shell{width:min(100% - 32px,680px);margin:auto;padding:54px 0 30px;position:relative}.brand{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;margin:0 4px 30px}.brand-mark{width:48px;height:48px;border:1px solid var(--line);border-radius:14px;display:grid;place-items:center;background:#161a21}.brand-mark svg{width:29px;fill:none;stroke:var(--accent);stroke-width:1.7}.eyebrow{font-size:10px;letter-spacing:.22em;color:var(--muted);margin:0 0 5px}.brand h1{font-size:23px;letter-spacing:-.04em;margin:0}.status{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.status i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px #69c59a18}.redeem-card,.result-card,.query-card{background:linear-gradient(145deg,#181c23,#12161c);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 24px 60px #0005}.step{display:flex;gap:14px;align-items:center;padding-bottom:21px;margin-bottom:22px;border-bottom:1px solid var(--line)}.step>span{font-size:12px;color:var(--accent);border:1px solid #d79a6450;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}.step div{display:grid;gap:3px}.step strong{font-size:15px}.step small,label{font-size:12px;color:var(--muted)}form{display:grid;gap:10px}.input-wrap{display:grid;grid-template-columns:1fr auto;background:#0f1217;border:1px solid var(--line);border-radius:13px;overflow:hidden;transition:.2s}.input-wrap:focus-within{border-color:#d79a6480;box-shadow:0 0 0 3px #d79a6410}.input-wrap input{min-width:0;background:transparent;border:0;outline:0;color:var(--text);font:600 16px/1 "Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:.12em;padding:17px}.input-wrap button{border:0;border-left:1px solid var(--line);background:transparent;color:var(--accent);padding:0 17px;font-weight:600;cursor:pointer}.field-error{min-height:18px;margin:0;color:var(--danger);font-size:12px}.primary{height:54px;border:0;border-radius:13px;background:var(--text);color:#11151a;font:700 14px "Segoe UI","Microsoft YaHei",sans-serif;display:flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;transition:.2s}.primary:hover{transform:translateY(-1px);background:#fff}.primary:active{transform:scale(.98)}.primary:disabled{opacity:.6;cursor:wait}.primary svg{width:17px;fill:none;stroke:currentColor;stroke-width:1.8}.trust-row{display:flex;justify-content:center;gap:20px;margin-top:20px;color:#707988;font-size:10px}.trust-row span:before{content:"";display:inline-block;width:4px;height:4px;background:var(--green);border-radius:50%;margin:0 7px 2px 0}.result-card{margin-top:18px}.result-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.result-head h2{font-size:19px;margin:0}.success-badge{font-size:11px;color:var(--green);background:#69c59a15;border:1px solid #69c59a32;border-radius:99px;padding:7px 10px}.card-visual{position:relative;min-height:246px;border-radius:20px;padding:25px;background:radial-gradient(circle at 80% 0,#be825740,transparent 42%),linear-gradient(135deg,#242a33,#11151b);border:1px solid #ffffff12;overflow:hidden}.card-visual:after{content:"";position:absolute;width:260px;height:260px;border:1px solid #ffffff0d;border-radius:50%;right:-105px;bottom:-130px}.chip{width:42px;height:32px;border-radius:8px;background:linear-gradient(135deg,#d8b780,#846c49);box-shadow:inset 0 0 0 1px #fff3}.virtual{position:absolute;right:25px;top:27px;font-size:10px;letter-spacing:.18em;color:#a9b0bc}.number-row{display:flex;align-items:center;justify-content:space-between;margin-top:42px;position:relative;z-index:1}.number-row strong{font-size:21px;letter-spacing:.12em}.copy{border:1px solid #ffffff17;background:#ffffff08;color:var(--text);padding:7px 10px;border-radius:8px;cursor:pointer}.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:31px;position:relative;z-index:1}.meta div{display:grid;gap:5px}.meta small{font-size:9px;color:var(--muted);letter-spacing:.12em}.meta strong{font-size:14px}.notice{margin:17px 3px 0;color:var(--muted);font-size:11px}.query-card{margin-top:18px;padding:18px 24px}.text-button{width:100%;border:0;background:transparent;color:var(--muted);font:600 12px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer}.query-card form{margin-top:15px}.query-card .input-wrap input{font-size:13px}.query-card .input-wrap button{color:var(--accent)}footer{display:flex;justify-content:space-between;color:#626b79;font-size:10px;margin:25px 5px 0}footer span:first-child{font-weight:700;letter-spacing:.18em}@media(max-width:560px){.shell{padding-top:28px}.brand{grid-template-columns:auto 1fr}.status{display:none}.redeem-card,.result-card{padding:20px}.trust-row{gap:9px;flex-wrap:wrap}.number-row strong{font-size:16px}.card-visual{min-height:220px}.meta{gap:10px}.ambient{opacity:.1}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}