:root{
 --ink:#17323a; --muted:#5c6f74; --teal:#087f78; --teal2:#0aa39a; --cream:#f7faf8;
 --line:#dce8e4; --sun:#f1b44c; --card:#fff;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
.topline{background:#0b3e43;color:#fff;text-align:center;padding:8px 16px;font-size:13px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:17px 20px;gap:20px}
.logo{font-weight:800;font-size:30px;letter-spacing:-1px}.logo span{color:var(--teal)}
nav a{margin-left:22px;font-weight:700;font-size:15px}
.hero{background:linear-gradient(120deg,#e9f7f4,#fff8e8);padding:54px 20px}
.hero-wrap{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.hero h1{font-family:Georgia,serif;font-size:54px;line-height:1.03;margin:0 0 18px;letter-spacing:-1.5px}
.hero p{font-size:19px;color:var(--muted);max-width:650px}
.hero img{width:100%;height:390px;object-fit:cover;border-radius:24px}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:13px 20px;border-radius:10px;font-weight:800}
.wrap{max-width:1180px;margin:auto;padding:44px 20px}
.section-title{font-family:Georgia,serif;font-size:36px;margin:0 0 22px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.card img{width:100%;height:190px;object-fit:cover}
.card-body{padding:18px}.eyebrow{color:var(--teal);font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:1px}
.card h3{font-family:Georgia,serif;margin:6px 0 10px;font-size:24px;line-height:1.15}
.muted{color:var(--muted)}
.category-hero{background:var(--cream);padding:40px 20px;border-bottom:1px solid var(--line)}
.category-hero .inner{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 360px;gap:34px;align-items:center}
.category-hero img{width:100%;height:250px;object-fit:cover;border-radius:18px}
.article-grid{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:38px}
.article h1{font-family:Georgia,serif;font-size:48px;line-height:1.08;margin:10px 0 12px;letter-spacing:-1px}
.article .heroimg{width:100%;height:430px;object-fit:cover;border-radius:18px;margin:22px 0}
.quick{background:#eef9f6;border-left:5px solid var(--teal);padding:18px 20px;border-radius:10px;margin:24px 0}
.tip{margin:28px 0}.tip h2{font-family:Georgia,serif;font-size:29px;line-height:1.2;margin-bottom:8px}
.sidebar{border:1px solid var(--line);border-radius:16px;padding:20px;height:max-content;position:sticky;top:100px}
.sidebar h3{font-family:Georgia,serif;font-size:26px;margin-top:0}
.sidebar a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:700}
.share{border:1px solid var(--line);border-radius:14px;padding:18px;margin:28px 0}
.share-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.share button,.share a{border:1px solid var(--line);padding:11px;border-radius:9px;background:#fff;font-weight:700;text-align:center}
.cta{background:#0b3e43;color:#fff;padding:26px;border-radius:18px;margin:30px 0}.cta h3{font-family:Georgia,serif;font-size:30px;margin:0 0 8px}
.cta .btn{background:#f0b24a;color:#15343a}
footer{background:#0b3e43;color:#d8ece8;margin-top:50px;padding:34px 20px}.foot{max-width:1180px;margin:auto}
.bottom-nav{display:none}
@media(max-width:850px){
 .hero-wrap,.category-hero .inner,.article-grid{grid-template-columns:1fr}
 .grid{grid-template-columns:1fr}
 .hero h1,.article h1{font-size:38px}
 nav{display:none}.hero img{height:280px}.article .heroimg{height:290px}
 .sidebar{position:static}
 body{padding-bottom:68px}
 .bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:40}
 .bottom-nav a{padding:10px 4px;text-align:center;font-size:12px;font-weight:800}
}