:root{
  --bg:#f7fafc;
  --surface:#ffffff;
  --text:#1f2937;
  --muted:#4b5563;
  --primary:#2563eb;
  --accent:#22c55e;
  --ring:rgba(37,99,235,0.25);
  --border:#e5e7eb;
  --shadow:0 8px 24px rgba(0,0,0,0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;line-height:1.65}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:24px}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:16px;padding:14px 24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto}
.brand .name{font-size:22px;font-weight:800;letter-spacing:0.3px}
.nav{margin-left:auto;display:flex;gap:10px}
.nav a{padding:10px 12px;border-radius:10px;transition:all .2s ease;color:var(--text)}
.nav a.active,.nav a:hover{background:#eef2ff;box-shadow:inset 0 0 0 1px #c7d2fe}
.hero{padding:56px 24px 24px}
.grid{display:grid;grid-template-columns:repeat(12, 1fr);gap:22px;align-items:stretch}
.section{grid-column:span 12;background:var(--surface);border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden}
@media(min-width:900px){.section.span-6{grid-column:span 6}}
.section-inner{display:grid;grid-template-columns:1.15fr 0.85fr;gap:0}
.section-inner.alt{grid-template-columns:0.9fr 1.1fr}
.section-content{padding:28px 28px 18px}
.section h2{margin:0 0 10px;font-size:26px;letter-spacing:0.2px}
.section p{color:var(--muted)}
.section figure{margin:0;height:100%;overflow:hidden;position:relative}
.section img{display:block;width:100%;height:100%;object-fit:cover}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;
  background:#ecfeff;border:1px solid #a5f3fc;color:#0369a1;font-weight:600;font-size:12px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.input, textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--text);outline:none}
.input:focus, textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.btn{background:linear-gradient(135deg, var(--primary), #3b82f6);border:none;color:#fff;font-weight:800;
  padding:12px 16px;border-radius:12px;cursor:pointer;box-shadow:var(--shadow)}
.btn:hover{filter:brightness(1.05)}
.form{display:grid;gap:14px}
.notice{padding:12px 14px;border-radius:10px;background:#eef2ff;border:1px solid #c7d2fe;color:#1e3a8a}
.footer{margin-top:48px;background:#fff;border-top:1px solid var(--border)}
.footer .inner{display:flex;flex-wrap:wrap;gap:20px;padding:24px}
.footer .col{min-width:240px;flex:1}
.small{font-size:13px;color:#6b7280}