:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#17352d;background:#f3f7f4;line-height:1.65;--green:#176b52;--mint:#dff0e8;--ink:#17352d}
*{box-sizing:border-box}body{margin:0}.hero{padding:56px max(24px,calc((100% - 1080px)/2));background:linear-gradient(135deg,#123d34,#20765c);color:white}.hero h1{margin:.15em 0;font-size:clamp(32px,5vw,58px);letter-spacing:-.04em}.hero p{margin:0;opacity:.88}.eyebrow{font-size:13px;letter-spacing:.18em}.shell{max-width:1080px;margin:-22px auto 60px;padding:0 20px}.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:8px;background:white;border-radius:16px;box-shadow:0 12px 40px #17352d17}.tabs button{border:0;border-radius:11px;padding:13px;background:transparent;color:#547069;font-weight:700}.tabs button.active{background:var(--green);color:white}.tabs button:disabled{opacity:.42}.tabs small{display:block;font-weight:400}.panel{display:none;margin-top:20px;padding:34px;background:white;border:1px solid #dfe9e4;border-radius:18px}.panel.active{display:block}.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:24px}.section-heading>span{color:var(--green);font-size:13px;font-weight:800}.section-heading h2{margin:0;font-size:26px}.section-heading p{margin:2px 0;color:#648078}label{display:block;margin:15px 0 7px;font-weight:700}input,textarea{width:100%;border:1px solid #bfd0c9;border-radius:10px;padding:12px 14px;font:inherit}textarea{min-height:150px;resize:vertical}button{cursor:pointer}.primary{margin-top:18px;border:0;border-radius:10px;padding:12px 20px;background:var(--green);color:white;font-weight:700}.actions{display:flex;gap:10px;align-items:center}.actions button:not(.primary){margin-top:18px;padding:11px 18px;border:1px solid #bfd0c9;border-radius:10px;background:white}.status{min-height:1.6em;color:#a04b25}.result{margin-top:20px;padding:20px;background:#f7faf8;border-left:4px solid var(--green);white-space:pre-wrap}.sources{color:#58736b}@media(max-width:680px){.tabs{grid-template-columns:1fr 1fr}.panel{padding:22px}.hero{padding-top:40px}}