:root{--bg:#f8fafc;--surface:#ffffff;--muted:#475569;--text:#0f172a;--line:#e2e8f0;--brand:#2563eb;--brand2:#0ea5e9}
*{box-sizing:border-box} html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--brand);text-decoration:none} a:hover{opacity:.9}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.topbar{background:#fff;border-bottom:1px solid var(--line)}
.topbar .container{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:10px 22px}
.brand{display:flex;gap:10px;align-items:center} .brand img{width:30px;height:30px}
.navbar{display:flex;gap:16px;flex-wrap:wrap} .navbar a{font-weight:600;color:#0f172a}
.subnav{background:#eef2f7;border-bottom:1px solid var(--line);color:#334155}
.subnav .container{display:flex;align-items:center;gap:12px;padding:8px 22px;font-size:14px}
.page{display:grid;grid-template-columns:280px 1fr;gap:24px;margin:22px 0}
.aside{position:sticky;top:78px;height:max-content;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.aside h4{margin:0 0 8px;font-size:14px;text-transform:uppercase;letter-spacing:.02em;color:#334155}
.aside a{display:block;padding:8px 10px;border-radius:10px;color:#0f172a} .aside a:hover{background:#f1f5f9}
.main{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
h1{font-size:clamp(26px,3.4vw,40px);margin:0 0 8px} .hero p{color:var(--muted);max-width:72ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:14px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px} .card h3{margin:0 0 6px}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:#f1f5f9;color:#0f172a;font-weight:600;font-size:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid #d0d7e2;background:#fff;color:#0f172a;font-weight:700}
.btn:hover{background:#f8fafc}
.operator{display:flex;gap:14px;align-items:flex-start} .operator img.logo{width:56px;height:56px;border-radius:12px;flex:0 0 56px;background:#f1f5f9}
.operator .meta{flex:1} .operator .meta small{display:block;color:#64748b;margin-top:4px} .operator .go{margin-left:auto}
.footer{margin:32px 0 0;border-top:1px solid var(--line);padding:18px 0;color:#334155} .footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:18px}
.footer small{display:block;color:#64748b;margin-top:6px}
@media (max-width:980px){.page{grid-template-columns:1fr} .aside{position:relative;top:0;order:2} .main{order:1}}
@media (max-width:560px){.navbar{gap:10px}}

/* === Mobile enhancements === */
@media (max-width: 880px){
  .topbar .container{gap:10px}
  .brand strong{font-size:15px}
  .navbar{position:absolute;top:56px;left:0;right:0;display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px;z-index:20}
  .navbar a{padding:10px 6px;border-radius:10px}
  .navbar.open{display:flex}
  .menu-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 10px;font-weight:700}
  .menu-btn .bar{width:18px;height:2px;background:#0f172a;position:relative}
  .menu-btn .bar:before,.menu-btn .bar:after{content:"";position:absolute;left:0;width:18px;height:2px;background:#0f172a}
  .menu-btn .bar:before{top:-6px}.menu-btn .bar:after{top:6px}
  .page{margin-top:8px}
}

@media (max-width: 980px){
  .grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
  .operator img.logo{width:48px;height:48px;flex:0 0 48px}
}

@media (max-width:560px){
  .container{padding:0 16px}
  h1{font-size:26px}
  .main{padding:16px;border-radius:12px}
  .aside{padding:10px;border-radius:12px}
  .btn{padding:10px 12px}
}

/* === Mobile footer overflow fix (2025-09-18) === */
html, body { max-width:100%; overflow-x:hidden; }
.footer, .footer .container { width:100%; max-width:100%; }
.footer a, .footer small { overflow-wrap:anywhere; word-break:break-word; }
@media (max-width: 760px){
  .footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px){
  .footer .cols { grid-template-columns: 1fr; }
}

/* === Mobile text & image overflow fixes (2025-09-18) === */
main img{max-width:100%;height:auto;display:block}
.grid .card img{max-width:100%;height:auto}
.operator{align-items:center}
.operator .logo{width:56px;height:56px;object-fit:cover;flex:0 0 56px}
@media (max-width:980px){ .operator .logo{width:48px;height:48px;flex:0 0 48px} }
.operator .meta{min-width:0}
.operator .meta h3,.operator .meta small,.operator .meta a,.main p,.main a{overflow-wrap:anywhere;word-break:break-word}
.operator .go{flex:0 0 auto}
.card{overflow:hidden}