:root{--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#ffffff;--soft:#f9fafb;--brand:#0f766e;--brand2:#b45309;--max:1120px}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
.topbar{display:flex;align-items:center;gap:18px;min-height:60px;flex-wrap:wrap}
.logo{font-size:1.45rem;font-weight:800;color:var(--ink);letter-spacing:-.02em}.logo span{color:var(--brand)}
nav.main{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin-left:auto}
nav.main>a,nav.main .dropbtn{padding:8px 10px;color:var(--ink);font-weight:600;font-size:.95rem;background:none;border:0;cursor:pointer;font-family:inherit}
nav.main a:hover,nav.main .dropbtn:hover{color:var(--brand);text-decoration:none}
.dropdown{position:relative}.dropdown-content{display:none;position:absolute;left:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12);min-width:250px;padding:6px;z-index:30}
.dropdown-content a{display:block;padding:8px 10px;color:var(--ink);border-radius:6px}.dropdown-content a:hover{background:var(--soft);color:var(--brand)}
.dropdown.open .dropdown-content{display:block}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:28px 16px 40px;max-width:var(--max);margin:0 auto}
@media(max-width:900px){.layout{grid-template-columns:1fr}}
article.card{border-bottom:1px solid var(--line);padding:0 0 22px;margin:0 0 22px}
article.card h2{margin:10px 0 6px;font-size:1.45rem;line-height:1.3}article.card h2 a{color:var(--ink)}
.meta{color:var(--muted);font-size:.88rem;margin:4px 0 8px}.meta a{color:var(--muted)}
.excerpt{margin:8px 0 10px}.tag{display:inline-block;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:.82rem;margin:0 6px 6px 0;color:var(--ink)}
aside .box{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:20px;background:#fff}
aside h3{margin:0 0 10px;font-size:1rem;text-transform:uppercase;letter-spacing:.04em;color:var(--brand)}
aside ul{list-style:none;margin:0;padding:0}aside li{padding:5px 0;border-bottom:1px dashed var(--line)}aside li:last-child{border:0}
aside .count{float:right;color:var(--muted);font-size:.85rem}
.searchbox{display:flex}.searchbox input{flex:1;padding:9px 10px;border:1px solid var(--line);border-radius:8px 0 0 8px;font-size:1rem;min-width:0}
.searchbox button{padding:9px 14px;border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:0 8px 8px 0;cursor:pointer;font-weight:600}
.post h1{font-size:2rem;line-height:1.25;margin:6px 0 8px}.post .hero{border-radius:10px;margin:14px 0}
.post .body h2{margin-top:28px;font-size:1.35rem}.post .body p{margin:0 0 14px}
.share{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}
.share a,.share button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;font-size:.9rem;color:var(--ink);cursor:pointer}
.related{margin-top:26px}.related h2{font-size:1.25rem}
footer.site{background:#111827;color:#d1d5db;margin-top:20px}footer.site .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:32px 16px}
@media(max-width:700px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{color:#fff;margin:0 0 10px}footer.site a{color:#d1d5db}footer.site ul{list-style:none;margin:0;padding:0}footer.site li{padding:3px 0}
footer.site .bottom{border-top:1px solid #374151;padding:14px 16px;text-align:center;font-size:.88rem;color:#9ca3af}
.pagination{display:flex;gap:8px;justify-content:center;margin:24px 0}.pagination a,.pagination span{border:1px solid var(--line);border-radius:8px;padding:7px 13px}
.pagination .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:6px}
.empty{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:22px;text-align:center}
form.contact label{display:block;font-weight:600;margin:14px 0 4px}form.contact input,form.contact textarea,form.contact select{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit}
form.contact button{margin-top:16px;padding:11px 20px;background:var(--brand);color:#fff;border:0;border-radius:8px;font-weight:700;cursor:pointer}