body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#fbf7f2;color:#10261f}
header{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1100px)/2));background:#fff;border-bottom:1px solid #d7ebe3}
header a{font-weight:900;color:#00784d;text-decoration:none}nav{display:flex;gap:16px}nav a{color:#10261f}
main{max-width:1100px;margin:auto;padding:30px 20px 56px}.hub-hero{padding:24px 0;border-bottom:1px solid #d7ebe3}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.tags span{font-size:12px;font-weight:900;color:#00784d;text-transform:uppercase;letter-spacing:.05em;border-left:3px solid #18b678;padding-left:8px}
h1{font-size:clamp(34px,5vw,58px);line-height:1.05;margin:8px 0 14px}.hub-hero p{max-width:860px;color:#315a50;line-height:1.72}
.hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.guide-card{display:flex;min-height:96px;flex-direction:column;justify-content:space-between;padding:16px;background:#fff;border:1px solid #d7ebe3;border-radius:8px;text-decoration:none;color:#10261f}.guide-card strong{line-height:1.35}.guide-card small{color:#00784d;font-weight:900;margin-top:12px}
footer{text-align:center;background:#ecfff7;padding:24px;color:#315a50}@media(max-width:760px){main{padding:18px 14px 40px}.hub-grid{grid-template-columns:1fr}}

.hub-depth-note{margin:24px 0 0;padding:20px 0;border-top:1px solid #d7ebe3}
.hub-depth-note h2{font-size:clamp(24px,3vw,34px);margin:0 0 10px;color:#10261f}
.hub-depth-note p{max-width:900px;line-height:1.72;color:#315a50;margin:0 0 12px}
.hub-depth-note ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;padding:0;margin:16px 0 0}
.hub-depth-note li{border-left:4px solid #13a86f;background:#fff;padding:12px;font-weight:900;color:#0d3a30}
@media(max-width:760px){.hub-depth-note ul{grid-template-columns:1fr}}