:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#203c39;background:#f1f6f4}*{box-sizing:border-box}body{margin:0}.shell{max-width:760px;margin:auto;padding:22px 18px 104px}header{display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:10px;align-items:center}.logo{background:#0d6757;color:#fff;border-radius:13px;width:44px;height:44px;display:grid;place-items:center;font-size:22px;font-weight:700;box-shadow:0 7px 16px #0d675733}h1{font-size:19px;margin:0}header p{margin:2px 0 0;color:#869591;font-size:12px}.icon-btn{border:0;background:#fff;color:#3a635c;border-radius:12px;width:40px;height:40px;font-size:18px;box-shadow:0 4px 12px #214e4212}.hero{display:flex;justify-content:space-between;gap:15px;padding:46px 4px 26px}.hero-copy{max-width:500px}.tag{color:#137561;font-size:12px;font-weight:700;background:#dff2ec;border-radius:6px;padding:6px 9px}.hero h2{font-size:34px;line-height:1.2;margin:16px 0 11px;letter-spacing:-1px}.hero h2 em{font-style:normal;color:#0d7a64}.hero p{color:#72827f;margin:0;line-height:1.7;font-size:14px}.hero-art{position:relative;width:130px;min-width:130px;height:130px;background:#d8eee7;border-radius:35px 35px 35px 7px;transform:rotate(5deg);display:grid;place-items:center}.art-card{background:#fff;width:88px;height:96px;border-radius:8px;padding:11px;transform:rotate(-8deg);box-shadow:0 8px 18px #1d5c4b1c;display:flex;flex-direction:column;gap:6px}.art-card span,.art-card small{font-size:9px;color:#79908b}.art-card b{font-size:35px;color:#2a9681;text-align:center}.spark{position:absolute;right:-4px;top:-9px;color:#e7a34b;font-size:22px}.workspace,.result{background:#fff;border:1px solid #e0ebe7;border-radius:16px;padding:20px;box-shadow:0 12px 30px #1e4d4012}.workspace-title{display:flex;justify-content:space-between;align-items:start;margin-bottom:13px}.workspace-title b{display:block;font-size:17px}.workspace-title span:not(.secure){display:block;color:#93a19e;font-size:12px;margin-top:4px}.secure{font-size:11px;color:#6a9188}.drop{min-height:205px;border:1.5px dashed #9dbab1;border-radius:13px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:9px;cursor:pointer;color:#315850;background:#fbfdfc}.drop input{display:none}.camera-ring{width:58px;height:58px;border-radius:50%;border:1px solid #a7d3c7;display:grid;place-items:center;background:#e6f6f0}.upload-icon{font-size:34px;color:#147763;line-height:1}.drop span{font-size:12px;color:#8a9895}.preview{display:none;max-width:100%;max-height:350px;margin:16px auto;border-radius:10px}.action-row{display:flex;gap:10px;margin-top:16px}.primary,.secondary{border:0;border-radius:9px;padding:13px 16px;font-size:15px;cursor:pointer}.primary{flex:1;background:#126b5a;color:#fff;box-shadow:0 6px 12px #126b5a2e}.primary:disabled{background:#bbcec8;cursor:not-allowed;box-shadow:none}.secondary{background:#edf4f1;color:#35645b}.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:13px}.quick>div{background:#fff;border:1px solid #e0ebe7;border-radius:12px;padding:12px 10px;display:grid;grid-template-columns:29px 1fr;column-gap:8px;align-items:center}.quick-icon{grid-row:span 2;width:29px;height:29px;border-radius:9px;display:grid;place-items:center;font-weight:700}.mint{background:#dff2ec;color:#157562}.peach{background:#fff0dc;color:#bd7c2f}.blue{background:#e4eefb;color:#527cae}.quick b{font-size:12px}.quick small{color:#92a09d;font-size:10px}.hidden{display:none}.result{margin-top:20px}.result-head{display:flex;justify-content:space-between;color:#126b5a;font-size:12px}.eyebrow{font-weight:700;letter-spacing:.1em}.mode{color:#9aa7a4}.result h3{font-size:21px;line-height:1.5;margin:16px 0 14px}.answer-label,.section-title{font-size:12px;color:#81908d;font-weight:700;margin-top:16px}.answer{color:#126b5a;font-size:27px;font-weight:750;padding:8px 0 12px}.steps{display:grid;gap:8px;margin-top:8px}.step{display:flex;gap:10px;align-items:flex-start;background:#eef8f4;padding:11px 12px;border-radius:9px}.step span{background:#126b5a;color:#fff;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;font-size:12px;flex:none}.step p{margin:1px 0;line-height:1.6}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.info-grid>div{background:#fafcfc;padding:0 12px 8px;border-radius:8px}.info-grid p,.explanation{color:#526360;line-height:1.75;font-size:14px}.warn{color:#b5772d}.followup{display:flex;gap:8px;margin-top:20px;border-top:1px solid #edf1ef;padding-top:16px}.followup input{min-width:0;flex:1;border:1px solid #d9e3df;border-radius:7px;padding:11px 12px;font:inherit}.followup button{border:0;border-radius:7px;background:#126b5a;color:#fff;padding:0 17px}footer{margin-top:25px;text-align:center;color:#99a7a3;font-size:11px}footer nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(760px,100%);height:68px;background:#fff;border-top:1px solid #e1eae7;display:flex;justify-content:space-around;align-items:center;box-shadow:0 -5px 18px #1f4d4010}footer nav span{display:grid;gap:2px;place-items:center;color:#9aa8a5;font-size:18px}footer nav span.active{color:#126b5a}footer nav small{font-size:10px}footer p{margin:80px 0 0}@media(max-width:520px){.hero{padding-top:35px}.hero h2{font-size:29px}.hero-art{width:106px;min-width:106px;height:112px}.quick>div{padding:10px 6px}.quick b{font-size:11px}.info-grid{grid-template-columns:1fr}}