:root{--ink:#172b25;--muted:#5b6e66;--green:#12634b;--green2:#0b4937;--mint:#e8f3ed;--gold:#d5a94b;--paper:#fbfaf6;--line:#dce5df;--white:#fff;--warn:#fff7df;--shadow:0 12px 32px rgba(21,54,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Tahoma,Arial,sans-serif;line-height:1.8}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--green2)}button,input{font:inherit}.site-header{background:var(--white);border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:850;font-size:1.25rem}.brand-mark{display:inline-grid;place-items:center;width:40px;height:40px;background:var(--green);color:white;border-radius:13px;font-size:1.3rem}.site-nav{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.site-nav a{font-weight:650;text-decoration:none;color:var(--ink);font-size:.95rem}.site-nav a:hover{color:var(--green)}main{max-width:1120px;margin:0 auto;padding:34px 22px 64px}.hero{background:linear-gradient(135deg,#eaf4ee,#f8f0d9);border:1px solid #dce9df;border-radius:26px;padding:38px 34px;margin:12px 0 28px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;left:-40px;bottom:-110px;width:260px;height:260px;border:1px solid rgba(18,99,75,.14);border-radius:50%;box-shadow:0 0 0 24px rgba(18,99,75,.03),0 0 0 48px rgba(18,99,75,.025)}.eyebrow{color:var(--green);font-weight:800;letter-spacing:.02em}.hero h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.3;margin:.4rem 0 1rem;max-width:760px}.hero p{max-width:740px;color:#40564b;font-size:1.08rem;margin:0}.button{display:inline-block;background:var(--green);color:white;padding:10px 18px;border-radius:12px;text-decoration:none;font-weight:750;border:0;cursor:pointer}.button:hover{background:var(--green2);color:white}.button.secondary{background:white;color:var(--green);border:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin:34px 0 16px}.section-head h2{font-size:1.65rem;margin:0}.section-head p{color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);transition:transform .16s ease,border-color .16s ease}.card:hover{transform:translateY(-3px);border-color:#9bbdac}.card a{display:block;color:inherit;text-decoration:none}.card h3{margin:.5rem 0 .25rem;font-size:1.12rem}.card p{margin:0;color:var(--muted);font-size:.96rem}.icon{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--mint);color:var(--green);font-weight:850;font-size:1.15rem}.breadcrumbs{color:var(--muted);font-size:.9rem;margin:4px 0 18px}.breadcrumbs a{color:var(--muted)}.page-title{font-size:clamp(1.8rem,3.2vw,2.55rem);line-height:1.35;margin:.25rem 0 .7rem}.lead{font-size:1.1rem;color:#40564b;max-width:800px}.content{background:white;border:1px solid var(--line);border-radius:20px;padding:26px;margin:20px 0;box-shadow:var(--shadow)}.content h2{margin-top:1.6rem}.notice{background:var(--warn);border-right:4px solid var(--gold);border-radius:12px;padding:14px 17px;margin:20px 0;color:#51461f}.calculator{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;margin:24px 0;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input{width:100%;padding:11px 12px;border:1px solid #cbd8d0;border-radius:10px;background:#fff;color:var(--ink)}.field input:focus{outline:3px solid rgba(18,99,75,.15);border-color:var(--green)}.field small{display:block;color:var(--muted);font-size:.85rem;margin-top:4px}.result{min-height:52px;padding:12px 15px;background:var(--mint);border-radius:12px;margin-top:18px;font-weight:750;color:var(--green2)}.related{display:flex;flex-wrap:wrap;gap:10px}.related a{background:#f1f6f2;padding:7px 12px;border-radius:999px;text-decoration:none}.ad-slot:not([hidden]){min-height:90px;border:1px dashed #b6c9bd;background:#f7faf8;border-radius:12px;margin:20px 0}.site-footer{border-top:1px solid var(--line);background:white}.footer-inner{max-width:1120px;margin:auto;padding:25px 22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a{color:var(--muted)}.post-list{display:grid;gap:14px}.post-item{background:white;border:1px solid var(--line);border-radius:15px;padding:18px}.post-item h2{margin:0 0 5px;font-size:1.2rem}.post-item p{margin:0;color:var(--muted)}.skip-link{position:absolute;right:-999px;top:0;background:white;padding:10px}.skip-link:focus{right:10px;z-index:5}.ad-slot[hidden]{display:none}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{align-items:flex-start;flex-direction:column}.site-nav{gap:10px 16px}}@media(max-width:560px){main{padding:24px 15px 48px}.hero{padding:28px 20px}.grid,.form-grid{grid-template-columns:1fr}.content,.calculator{padding:18px}.footer-inner{padding:20px 15px}.section-head{align-items:flex-start;flex-direction:column}}