*{box-sizing:border-box}body{margin:0;font:16px/1.6 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#1f2933;background:#f6f7f9}
a{color:#0b6e4f}header{background:#0b3d2e;color:#fff}header .w,main,footer .w,.hero .w{max-width:960px;margin:0 auto;padding:0 20px}
header .w{display:flex;align-items:center;justify-content:space-between;min-height:64px;flex-wrap:wrap}.logo{font-weight:700;font-size:18px;color:#fff;text-decoration:none}
nav a{color:#d7efe6;text-decoration:none;margin-left:22px;font-size:15px}nav a:hover{color:#fff}
.hero{background:#0f5540;color:#fff;padding:48px 0}.hero h1{margin:0 0 10px;font-size:32px;line-height:1.25}.hero p{margin:0;max-width:640px;color:#d7efe6}
main{padding-top:32px;padding-bottom:48px}.card{background:#fff;border:1px solid #e2e6ea;border-radius:10px;padding:24px;margin-bottom:24px}
h2{margin:0 0 14px;font-size:22px}h3{margin:18px 0 6px;font-size:17px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
label{display:block;font-size:14px;color:#52606d;margin:12px 0 4px}input{width:100%;padding:10px 12px;border:1px solid #cbd2d9;border-radius:6px;font-size:16px}
.res{background:#eef7f3;border-radius:8px;padding:18px}.res b{display:block;font-size:26px;color:#0b3d2e;margin-bottom:8px}.res span{font-size:14px;color:#52606d}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid #e2e6ea}th{color:#52606d;font-weight:600}
.note{font-size:13px;color:#7b8794}footer{background:#fff;border-top:1px solid #e2e6ea;padding:22px 0;font-size:13px;color:#7b8794}
@media(max-width:720px){.grid{grid-template-columns:1fr}.hero h1{font-size:25px}nav a{margin-left:12px;font-size:14px}table{font-size:13px}}