:root{
  --bg:#faf7f2;
  --surface:#ffffff;
  --ink:#1f1b16;
  --muted:#6b6258;
  --line:#e7ded2;
  --brand:#c0392b;
  --brand-soft:#fbeae7;
  --accent:#b8860b;
  --radius:14px;
  --maxw:1080px;
  --shadow:0 1px 3px rgba(31,27,22,.06),0 8px 24px rgba(31,27,22,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.9);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--brand);display:flex;align-items:center;gap:8px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}
.nav-links{display:flex;gap:22px;font-weight:600;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--brand)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:14px;cursor:pointer;color:var(--ink)}

/* Hero */
.hero{padding:56px 0 36px;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 14px;line-height:1.25;font-weight:800}
.hero p{font-size:18px;color:var(--muted);max-width:680px;margin:0 auto 22px}
.hero .cta{display:inline-block;background:var(--brand);color:#fff;padding:12px 26px;border-radius:999px;font-weight:700;box-shadow:var(--shadow)}
.hero .cta:hover{opacity:.92}

/* Search */
.searchbar{max-width:520px;margin:0 auto 8px;display:flex;gap:8px}
.searchbar input{flex:1;padding:12px 16px;border:1px solid var(--line);border-radius:999px;font-size:16px;background:var(--surface)}
.searchbar input:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}

/* Sections */
.section{padding:30px 0}
.section-title{font-size:22px;font-weight:800;margin:0 0 16px;display:flex;align-items:center;gap:10px}
.section-title::before{content:"";width:5px;height:22px;background:var(--brand);border-radius:3px}

/* Category chips */
.cats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.chip{padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-weight:600;font-size:14px;color:var(--muted)}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Article grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(31,27,22,.10)}
.card .thumb{height:170px;background:linear-gradient(135deg,var(--brand-soft),#f6f1e7);display:flex;align-items:center;justify-content:center;font-size:40px;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}

/* Article cover */
.article-cover{max-width:760px;margin:18px auto 0}
.article-cover img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow);display:block}
.card .body{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.card .cat{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.5px}
.card h3{font-size:18px;margin:6px 0 8px;line-height:1.4}
.card p{font-size:14px;color:var(--muted);margin:0 0 12px;flex:1}
.card .meta{font-size:12px;color:var(--muted);display:flex;gap:12px;align-items:center}
.card .read{font-weight:700;color:var(--brand)}

/* Article page */
.article-head{max-width:760px;margin:0 auto;padding:40px 0 0}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a:hover{color:var(--brand)}
.article-head h1{font-size:clamp(26px,4vw,38px);line-height:1.3;margin:0 0 12px}
.article-meta{font-size:14px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.article-body{max-width:760px;margin:0 auto;padding:10px 0 40px}
.article-body h2{font-size:24px;margin:34px 0 12px;border-left:5px solid var(--brand);padding-left:12px}
.article-body h3{font-size:19px;margin:26px 0 10px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:22px}
.article-body li{margin:6px 0}
.article-body blockquote{margin:18px 0;padding:14px 18px;background:var(--brand-soft);border-radius:10px;color:#7a2a20;font-style:italic}
.article-body strong{color:var(--brand)}

/* FAQ */
.faq{max-width:var(--maxw);margin:10px auto 16px}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:760px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:14px 18px;box-shadow:var(--shadow)}
.faq-item h3{font-size:16px;margin:0 0 6px;color:var(--ink)}
.faq-item p{font-size:15px;color:var(--muted);margin:0}

/* Related */
.related{max-width:var(--maxw);margin:0 auto;padding:20px 0 50px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:36px 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.footer-grid h4{font-size:15px;margin:0 0 12px}
.footer-grid a{display:block;color:var(--muted);font-size:14px;margin:6px 0}
.footer-grid a:hover{color:var(--brand)}
.footer-bottom{text-align:center;color:var(--muted);font-size:13px;margin-top:26px;border-top:1px solid var(--line);padding-top:18px}

/* Pagination / back */
.back-top{display:inline-block;margin:10px 0 30px;color:var(--brand);font-weight:700}

@media(max-width:860px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .nav-links{display:none}
  .nav-toggle{display:inline-block}
  .grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}