:root{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#213e30;background:#f8faf5;font-synthesis:none;line-height:1.6}
*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1080px;margin:auto;padding-left:28px;padding-right:28px}
header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:28px;padding-bottom:28px}.brand{font-size:23px;font-weight:650;color:inherit;text-decoration:none}.brand span{display:block;font-size:10px;letter-spacing:4px;color:#667d68}.status{font-size:13px;background:#e5eddf;color:#3f644b;border-radius:30px;padding:7px 14px}
.intro{padding:68px 0 56px;position:relative}.eyebrow{color:#557c5a;letter-spacing:3px;font-size:14px;margin:0 0 20px}h1{font-size:clamp(38px,6vw,66px);line-height:1.25;letter-spacing:-1px;margin:0 0 26px;font-weight:650}.description{font-size:18px;line-height:1.9;color:#567060}.notice{font-size:14px;line-height:1.9;color:#6c7566;margin-top:28px;padding-left:16px;border-left:3px solid #becfad}
.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;border-top:1px solid #dce5d5;padding-top:30px;padding-bottom:48px}.number{font-size:12px;color:#789064}h2{font-size:19px;margin:12px 0 8px;font-weight:600}.features p{font-size:14px;color:#617163;margin:0}footer{font-size:12px;color:#6a786a;padding-top:24px;padding-bottom:28px;border-top:1px solid #e1e7dc}
@media(max-width:680px){header,main,footer{padding-left:22px;padding-right:22px}.intro{padding-top:38px;padding-bottom:38px}.features{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.description{font-size:16px}.brand{font-size:21px}.status{font-size:12px;padding:6px 10px}}