:root{--teal:#147a6b;--teal-dark:#0f5e52;--mint:#c8e8e3;--mint-soft:#e8f6f4;--cream:#f7fbfa;--white:#fff;--brown:#4a3428;--muted:#7a6254;--orange:#f28c4c;--shadow:0 16px 44px rgba(16,60,52,.14);--shadow-sm:0 6px 20px rgba(16,60,52,.1);--head:Georgia,"Times New Roman",serif;--body:-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--body);color:var(--brown);background:var(--cream);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}img{display:block;max-width:100%;height:auto}a{color:var(--teal)}.container{width:min(1160px,92%);margin:auto}
.nav{position:sticky;top:0;z-index:100;background:rgba(247,251,250,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(20,122,107,.15)}.nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--brown)}.brand img{height:46px;width:auto}.brand .co{font-size:10px;letter-spacing:2.5px;color:var(--muted);text-transform:uppercase;font-weight:700}.nav-links{display:flex;align-items:center;gap:28px;list-style:none}.nav-links a{text-decoration:none;color:var(--brown);font-size:15px;font-weight:700}.nav-links a:hover,.nav-links a.active{color:var(--teal)}.nav-cta{background:var(--teal);color:#fff!important;padding:10px 22px;border-radius:999px}.nav-toggle{display:none;border:0;background:transparent;font-size:28px;color:var(--brown)}
.post{padding:62px 0 32px}.wrap{width:min(800px,92%);margin:auto}.tag{display:inline-block;padding:6px 15px;border-radius:999px;background:var(--mint-soft);color:var(--teal-dark);font-size:12px;font-weight:850;letter-spacing:1.2px;text-transform:uppercase}.post h1{font-family:var(--head);font-size:clamp(34px,5vw,50px);line-height:1.13;margin:18px 0}.meta{color:var(--muted);font-size:14px;padding-bottom:26px;border-bottom:1px solid rgba(20,122,107,.14);margin-bottom:30px}.hero-img{border-radius:28px;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:38px;background:#fff}.hero-img img{width:100%}.answer{background:linear-gradient(135deg,var(--mint-soft),#fff);border:1.5px solid var(--mint);border-radius:22px;padding:24px 26px;margin:0 0 30px}.answer h2{margin:0 0 8px!important;font-size:22px!important;color:var(--teal-dark)}.post h2{font-family:var(--head);font-size:27px;line-height:1.25;margin:42px 0 14px}.post h3{font-family:var(--head);font-size:20px;margin:28px 0 10px}.post p{font-size:16.5px;margin-bottom:18px}.post ul,.post ol{font-size:16.5px;margin:0 0 22px 24px}.post li{margin-bottom:9px}.tip{background:var(--mint-soft);border-left:4px solid var(--teal);border-radius:0 18px 18px 0;padding:18px 22px;margin:27px 0}.warning{background:#fff3e8;border-left-color:var(--orange)}
.guide-table{width:100%;border-collapse:collapse;margin:24px 0 34px;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);font-size:15px}.guide-table thead{background:var(--teal);color:#fff}.guide-table th,.guide-table td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--mint);vertical-align:top}.guide-table tbody tr:last-child td{border-bottom:0}.guide-table td:first-child{font-weight:800}.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0 34px}.checklist div{background:#fff;border:1px solid var(--mint);border-radius:16px;padding:15px 17px}.checklist b{display:block;color:var(--teal-dark);margin-bottom:3px}.faq details{background:#fff;border:1px solid var(--mint);border-radius:17px;padding:16px 19px;margin-bottom:12px}.faq summary{font-weight:800;cursor:pointer}.faq details p{font-size:15.5px;color:var(--muted);padding-top:10px;margin:0}.sources{font-size:14px;color:var(--muted);background:#fff;border-radius:18px;padding:21px 24px;margin-top:38px}.sources h2{font-size:21px;margin:0 0 10px}.sources li{font-size:14px;margin-bottom:6px}.cta{background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;border-radius:28px;padding:38px 32px;text-align:center;margin:45px 0 10px}.cta h2{color:#fff;margin:0 0 10px}.cta p{color:rgba(255,255,255,.88);font-size:15.5px}.cta a{display:inline-flex;background:#fff;color:var(--teal-dark);padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:850;margin:4px}.back{text-align:center;padding:14px 0 68px}.back a{text-decoration:none;font-weight:800}
footer{background:var(--brown);color:rgba(255,255,255,.82);padding:46px 0;text-align:center;font-size:14px}footer .brand{justify-content:center;color:#fff;margin-bottom:12px}.foot-links{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:13px}.foot-links a{color:#8bd0c5;text-decoration:none}
@media(max-width:900px){.nav-links{position:fixed;top:76px;left:0;right:0;background:var(--cream);flex-direction:column;gap:4px;padding:22px 28px 30px;box-shadow:var(--shadow);transform:translateY(-140%);transition:.3s}.nav-links.open{transform:translateY(0)}.nav-links a{padding:11px}.nav-toggle{display:block}}
@media(max-width:620px){.post{padding-top:42px}.post p,.post ul,.post ol{font-size:16px}.guide-table{display:block;overflow-x:auto}.checklist{grid-template-columns:1fr}.cta{padding:30px 20px}.hero-img{border-radius:20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}