:root{color:#203c35;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#f7f9f5;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline-offset:5px;outline:3px solid #42b883}.site{max-width:1160px;margin:auto;padding:0 40px}header{border-bottom:1px solid #dfe7df;justify-content:space-between;align-items:center;height:104px;display:flex}.brand{align-items:center;gap:12px;font-size:21px;font-weight:750;display:flex}.mark{color:#b2e8a5;clip-path:polygon(0 0,100% 0,50% 100%);background:#244c3e;place-items:center;width:35px;height:35px;padding-bottom:7px;font-size:20px;display:grid}nav{gap:32px;font-size:14px;display:flex}nav a:hover{color:#238858}.hero{background:radial-gradient(at 89% 42%,#deeddc 0,#0000 56%);padding:93px 0 88px}.eyebrow{letter-spacing:2px;align-items:center;gap:9px;font-size:12px;font-weight:650;display:flex}.eyebrow span{background:#42b883;border-radius:50%;width:7px;height:7px}h1{letter-spacing:-2px;margin:24px 0;font-size:clamp(42px,6vw,72px);line-height:1.24}h1 span{color:#339965}.intro{color:#6c7d72;margin-bottom:30px;font-size:17px;line-height:1.9}.primary{color:#fff;background:#244c3e;border:0;border-radius:7px;justify-content:center;align-items:center;gap:30px;padding:13px 24px;font-size:14px;font-weight:600;display:inline-flex}.primary:hover{background:#336b52}.tags{gap:10px;margin-top:32px;display:flex}.tags span{color:#6c7d72;border:1px solid #dbe4d9;border-radius:4px;padding:4px 10px;font-size:11px}.playground{background:#eef2e9;border:1px solid #dee6d9;border-radius:16px;grid-template-columns:1fr 1fr;align-items:center;gap:40px;padding:45px;scroll-margin-top:24px;display:grid}.playground h2{margin:15px 0;font-size:27px}.playground p:not(.eyebrow){color:#6c7d72;font-size:14px}.counter{background:#fff;border:1px solid #e0e7dc;border-radius:12px;flex-direction:column;align-items:center;padding:28px;display:flex}.counter-label{color:#738174;font-size:12px}output{font-variant-numeric:tabular-nums;font-size:64px;font-weight:650;line-height:1.5}.actions{gap:12px;display:flex}.reset{color:#566b5e;background:0 0;border:1px solid #d9e2d7;border-radius:7px;padding:10px 18px}.reset:hover{background:#f0f5ed}.features{grid-template-columns:repeat(3,1fr);gap:40px;padding:65px 0 80px;display:grid}.features article>span{color:#7c9280;font-size:11px}.features h3{margin:12px 0;font-size:20px}.features p{color:#738174;margin:0;font-size:14px}footer{color:#7c8b7e;border-top:1px solid #dfe7df;justify-content:space-between;padding:24px 0 30px;font-size:12px;display:flex}footer span:first-child{color:#355744;font-weight:700}@media (width<=640px){.site{padding:0 22px}header{height:80px}.brand{font-size:18px}nav{gap:16px;font-size:12px}.hero{padding:62px 0}.intro{font-size:15px}.playground{grid-template-columns:1fr;gap:20px;padding:24px}.playground h2{font-size:23px}.features{grid-template-columns:1fr;gap:28px;padding:40px 0}footer{gap:20px;font-size:11px}h1{letter-spacing:-1px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.actions button{white-space:nowrap}@media (width<=360px){h1{font-size:36px}.playground h2{font-size:21px}.counter{padding:20px 12px}.actions .primary{padding:12px 18px}.actions .reset{padding:10px 14px}}
