*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1f2933;background:#fafaf7;line-height:1.7}
a{color:#2f7d5b}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid #e6e6e0}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;flex-wrap:wrap}
.logo{font-weight:800;font-size:22px;color:#1f2933;text-decoration:none}
.logo span{color:#2f7d5b}
nav a{margin-left:20px;text-decoration:none;color:#3e4c59;font-size:15px}
nav a:hover{color:#2f7d5b}
.hero{background:linear-gradient(135deg,#e7f4ec,#fdf6e7);padding:64px 0}
.hero h1{font-size:40px;line-height:1.2;margin:0 0 14px}
.hero p{font-size:18px;max-width:640px;color:#52606d;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;padding:40px 0}
.card{background:#fff;border:1px solid #e6e6e0;border-radius:14px;padding:24px;transition:box-shadow .2s}
.card:hover{box-shadow:0 6px 24px rgba(0,0,0,.06)}
.card .tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#2f7d5b;background:#e7f4ec;padding:3px 10px;border-radius:20px}
.card h3{margin:12px 0 8px;font-size:20px;line-height:1.3}
.card h3 a{color:#1f2933;text-decoration:none}
.card p{margin:0;color:#52606d;font-size:15px}
h2.section{margin:40px 0 0;font-size:26px}
article{background:#fff;border:1px solid #e6e6e0;border-radius:14px;padding:40px;margin:40px auto;max-width:780px}
article h1{font-size:34px;line-height:1.25;margin:10px 0}
article h2{font-size:23px;margin-top:34px}
.meta{color:#7b8794;font-size:14px}
.note{background:#fdf6e7;border-left:4px solid #e0a43a;padding:12px 16px;border-radius:6px;font-size:14px;color:#52606d}
.box{background:#e7f4ec;border-radius:10px;padding:16px 20px}
footer{background:#1f2933;color:#cbd2d9;padding:36px 0;margin-top:40px;font-size:14px}
footer a{color:#cbd2d9;margin-right:18px}
@media(max-width:640px){.hero h1{font-size:30px}article{padding:24px}nav a{margin-left:12px}}