:root{font-family:Inter,"Microsoft YaHei",sans-serif;color:#15372e;background:#f4f6f2}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:25px 6%;border-bottom:1px solid #dce4de;background:#fff}.brand{font-size:25px;font-weight:800;text-decoration:none}.brand span{color:#218263}nav{display:flex;flex-wrap:wrap;gap:25px;font-size:14px}nav a{text-decoration:none}main{max-width:1160px;margin:auto;padding:40px 28px}.hero{padding:50px 0 45px;max-width:820px}h1{font-size:clamp(38px,5.8vw,70px);line-height:1.15;letter-spacing:-2px;margin:22px 0}h2{font-size:27px;margin-top:10px}h3{font-size:18px}p,li{line-height:1.8;color:#526b60}.hero>p:not(.eyebrow){font-size:19px;max-width:680px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700}.choices{display:grid;grid-template-columns:1fr 1fr;gap:24px}.card{border:1px solid #d7e1d9;border-radius:18px;padding:34px;background:white}.enterprise{background:#143f32;color:#fff;border-color:#143f32}.enterprise p,.enterprise li,.enterprise small{color:#d3e5da}.badge{display:inline-block;padding:7px 13px;border-radius:30px;background:#def1bd;color:#224522;font-size:12px;font-weight:700}.button{display:inline-block;padding:14px 22px;border:1px solid #8ca69a;border-radius:8px;text-decoration:none;font-size:14px;font-weight:650;margin:16px 0 3px}.primary{background:#d6efad;color:#203d29;border-color:#d6efad}.button:hover{filter:brightness(.94)}a:focus-visible{outline:3px solid #ce8b26;outline-offset:5px}small{display:block;font-size:12px;color:#687f72;line-height:1.7;margin-top:12px}ul{padding-left:20px;margin:23px 0}.principle{padding:45px 0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.features .card{padding:26px}.features h2{font-size:21px}.note{font-size:13px;padding:18px;border-left:3px solid #8ca69a;background:#eaf0e6}footer{padding:35px 6%;border-top:1px solid #dce4de;font-size:13px;color:#687f72}@media(max-width:720px){header{align-items:flex-start;flex-direction:column;gap:16px}.choices,.features{grid-template-columns:1fr}main{padding:20px}.hero{padding:25px 0}.card{padding:25px}h1{letter-spacing:-1px}nav{gap:20px}}