:root{--blue:#155eef;--navy:#102851;--text:#233652;--muted:#6a7990;--line:#e4eaf2;--pale:#edf5ff;--red:#b42318}
    *{box-sizing:border-box}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:#f6f9fe;color:var(--text);line-height:1.6}
    button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--blue)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #73a5ff;outline-offset:3px}
    [hidden]{display:none!important}.prototype{background:#eaf0fb;color:#53637c;text-align:center;font-size:12px;padding:9px 16px;letter-spacing:.2px}.prototype b{color:#284d8a;margin-right:9px}
    .shell{max-width:1160px;margin:auto;padding:0 32px}.header{display:flex;align-items:center;justify-content:space-between;padding:30px 0 26px;border-bottom:1px solid var(--line)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navy);font-size:18px}.brand-icon{display:grid;place-items:center;width:37px;height:37px;background:var(--blue);color:#fff;border-radius:11px;font-size:17px}.brand small{display:block;font-size:10px;color:#73819a;letter-spacing:1.6px;font-weight:500}
    .header-note{font-size:12px;color:var(--muted)}main{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start;padding:48px 0 50px}
    .intro{position:sticky;top:30px;padding-top:12px}.eyebrow{color:var(--blue);font-size:12px;letter-spacing:2px;font-weight:700;display:flex;gap:8px;align-items:center}.dot{width:7px;height:7px;background:var(--blue);border-radius:50%}
    h1{font-size:42px;line-height:1.38;letter-spacing:-1.5px;color:var(--navy);margin:20px 0 16px;font-weight:800}h1 span{color:var(--blue)}.intro-text{font-size:15px;color:var(--muted);max-width:360px;line-height:1.9}
    .service-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.service-line span{font-size:12px;color:#315b92;background:#eaf2ff;padding:6px 10px;border-radius:6px}.intro-sub{font-size:12px;color:#8190a6;margin-top:12px}
    .orbit{height:230px;position:relative;margin:26px 0 10px;overflow:hidden;display:grid;place-items:center;background:radial-gradient(ellipse at center,#d9eaff 0,transparent 65%)}
    .orbit-ring{position:absolute;width:300px;height:130px;border:1px solid #b9d4ff;border-radius:50%;transform:rotate(-25deg)}.orbit-ring.second{width:230px;height:190px;transform:rotate(32deg);border-color:#d1e2fd}
    .core{position:absolute;width:92px;height:92px;display:grid;place-items:center;border-radius:26px;transform:rotate(-8deg);background:linear-gradient(145deg,#72b1ff,#155eef 65%,#1347b5);box-shadow:0 18px 38px #1d64db30,inset 0 1px 2px #ffffff88;color:white;font-size:31px;font-weight:800;letter-spacing:-2px}.core span{transform:rotate(8deg)}
    .float-label{position:absolute;background:#ffffffed;border:1px solid #e0eaff;box-shadow:0 7px 24px #2c589d0a;border-radius:10px;font-size:12px;color:#3e5c85;padding:9px 13px}.f1{left:3%;top:33px}.f2{right:3%;top:85px}.f3{left:12%;bottom:28px}.orbit-point{width:10px;height:10px;background:#4a8cf3;border:3px solid #fff;box-shadow:0 0 0 1px #bbd6ff;border-radius:50%;position:absolute;right:23%;bottom:28px}
    .next{border-top:1px solid var(--line);padding-top:23px;margin-top:15px}.next h2{font-size:13px;margin:0 0 14px;color:#4b607e}.next ol{list-style:none;padding:0;margin:0;display:flex;justify-content:space-between;font-size:12px;color:#6c7d96}.next li{display:flex;align-items:center;gap:7px}.next b{color:#3b71cc;font-weight:600;font-size:11px;background:#e9f1ff;border-radius:50%;width:22px;height:22px;display:grid;place-items:center}
    .form-card{background:#fff;border:1px solid #e4ebf5;border-radius:23px;box-shadow:0 10px 40px #163d7907;padding:32px}.form-heading{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:29px}.form-heading h2{margin:0;font-size:21px;color:var(--navy);letter-spacing:-.5px}.form-heading p{margin:6px 0 0;font-size:12px;color:var(--muted)}.time{white-space:nowrap;font-size:11px;color:#637b9c;background:#f2f6fc;padding:5px 9px;border-radius:6px;margin-top:3px}
    fieldset{margin:0;padding:0;border:0;min-width:0}.section+.section{border-top:1px solid var(--line);margin-top:28px;padding-top:26px}.section-title{display:flex;gap:10px;align-items:center;font-size:15px;font-weight:700;color:var(--navy);margin:0 0 15px}.section-title .num{font-size:11px;color:var(--blue);background:#eaf2ff;border-radius:6px;padding:3px 6px;font-weight:700}.section-title small{font-size:11px;font-weight:400;color:var(--muted);margin-left:auto}.required{color:var(--blue);font-size:12px}
    .choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice{position:relative;cursor:pointer;min-width:0;display:flex;align-items:center;gap:9px;padding:12px 11px;border:1px solid var(--line);border-radius:10px;font-size:13px;color:#465a76;background:#fff;transition:border-color .15s,background .15s}
    .choice:has(input:checked){border-color:#6297f9;background:#edf4ff;color:#1454ca}.choice input{width:16px;height:16px;accent-color:var(--blue);margin:0;flex:none}.choice:hover{border-color:#a1bff5}
    label.field{display:block;font-size:12px;font-weight:600;margin:0 0 8px;color:#435774}.optional{font-size:11px;font-weight:400;color:#8b96a8;margin-left:5px}
    textarea,input.text,select{width:100%;border:1px solid #dce4ef;background:#fff;border-radius:10px;color:var(--text);padding:12px 13px;font-size:14px;transition:border-color .15s;min-width:0}textarea{resize:vertical;min-height:137px;display:block;line-height:1.8}textarea::placeholder,input::placeholder{color:#9aa7b8}textarea:focus,input.text:focus,select:focus{border-color:#6d9cf1}input.text{height:46px}
    .field-foot{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:#8795a9;margin-top:7px}.counter{white-space:nowrap}.extra{margin-top:17px}.extra summary{font-size:12px;color:#5e789d;cursor:pointer;padding:5px 0;min-height:32px}.extra-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:13px}
    .contact-fields{display:grid;grid-template-columns:1fr;gap:15px}.contact-instruction{font-size:12px;color:#6a7990;margin:-3px 0 17px}.token-reward{margin-top:21px;padding:16px;background:linear-gradient(110deg,#edf4ff,#f4f8ff);border:1px solid #dceaff;border-radius:11px}.token-reward strong{font-size:14px;color:#1554c2;display:block;line-height:1.8}.token-reward p{font-size:11px;color:#6c81a0;margin:5px 0 0;line-height:1.8}
    .nickname{margin-top:15px}.contact-hint{font-size:11px;color:#8592a5;margin:8px 0 0}.error{font-size:12px;color:var(--red);margin:7px 0 0}.invalid{border-color:#e68c86!important}[aria-invalid=true]{border-color:#e68c86!important}
    .experience{display:flex;gap:9px;align-items:flex-start;background:#f6f9ff;border-radius:9px;padding:12px;margin-top:19px;font-size:12px;color:#58749c;cursor:pointer}.experience input{accent-color:var(--blue);margin-top:4px;flex:none}.experience strong{font-size:12px;color:#3e5e8d;display:block;font-weight:500}.experience small{font-size:11px;color:#8495ad}
    .consent{display:flex;align-items:flex-start;gap:8px;font-size:11px;color:#7f8da1;line-height:1.8;margin-top:25px;cursor:pointer}.consent input{margin:4px 0 0;accent-color:var(--blue);flex:none;width:15px;height:15px}
    .submit{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;background:var(--blue);color:white;border:0;border-radius:11px;min-height:50px;padding:13px 18px;font-size:15px;font-weight:600;margin-top:17px;box-shadow:0 7px 15px #155eef1c}.submit:hover{background:#0d50d7}.submit:disabled{opacity:.65;cursor:wait}.submit .arrow{font-weight:400;font-size:20px;line-height:1}.submit-note{font-size:11px;text-align:center;color:#97a2b3;margin:10px 0 0}
    .footer{text-align:center;color:#8b9ab0;font-size:11px;padding:0 16px 26px}
    .success{text-align:center;padding:7px 0 0}.checkmark{width:67px;height:67px;background:#e9f2ff;color:var(--blue);border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;font-size:30px}.success h2{font-size:24px;color:var(--navy);margin:0 0 10px}.success>p{font-size:13px;color:var(--muted);margin:0 auto 23px;max-width:340px}.summary-box{text-align:left;padding:20px;background:#f7faff;border:1px solid #e4ecfa;border-radius:14px}.summary-box h3{font-size:13px;color:var(--navy);margin:0 0 15px}.summary-box dl{margin:0;font-size:13px}.summary-box dt{color:#7c8ca3;font-size:11px;margin-top:14px}.summary-box dd{margin:4px 0 0;overflow-wrap:anywhere;white-space:pre-wrap;line-height:1.8}.summary-box dt:first-child{margin-top:0}.success-note{text-align:left;font-size:12px;background:#edf4ff;color:#52739e;border-radius:9px;padding:13px;margin:18px 0}.secondary{width:100%;border:1px solid #d9e5f7;border-radius:10px;background:#fff;color:#42638e;padding:12px;font-size:13px;margin-top:10px}
    .choices .choice:last-child:nth-child(odd){grid-column:1/-1}
    @media(max-width:900px){.shell{padding:0 24px}main{gap:28px;grid-template-columns:.8fr 1.2fr}.form-card{padding:25px}h1{font-size:34px}.intro-text{font-size:14px}.next ol{flex-direction:column;gap:10px}.float-label{font-size:10px}.orbit-ring{width:230px}}
    @media(max-width:680px){.prototype{font-size:10px;padding:7px 12px}.shell{padding:0 18px}.header{padding:19px 2px 17px}.brand{font-size:16px}.brand-icon{width:32px;height:32px;border-radius:9px;font-size:15px}.header-note{font-size:10px}.brand small{font-size:8px;letter-spacing:1px}main{display:block;padding:24px 0 26px}.intro{position:static;padding:0 5px 22px}.eyebrow{font-size:10px;letter-spacing:1.5px}h1{font-size:29px;line-height:1.45;letter-spacing:-1px;margin:10px 0 9px}.intro-text{font-size:12px;line-height:1.85;margin:0;max-width:100%}.service-line{margin-top:15px;gap:6px}.service-line span{font-size:10px;padding:4px 8px}.intro-sub,.orbit,.next{display:none}.form-card{padding:23px 20px;border-radius:18px}.form-heading{margin-bottom:24px}.form-heading h2{font-size:19px}.form-heading p{font-size:11px}.time{font-size:10px}.section-title{font-size:14px}.section-title small{font-size:10px}.choice{padding:12px 9px;font-size:12px;min-height:46px}.choices{gap:9px}textarea,input.text,select{font-size:16px}.field-foot{font-size:10px;gap:8px}.extra-fields{grid-template-columns:1fr}.consent{font-size:11px}.channel span{padding:10px 4px}.footer{font-size:10px}.success h2{font-size:22px}}
    @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}