*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,sans-serif;color:#1a1a2e;background:#fff;line-height:1.7}
a{color:#003087;text-decoration:none}
a:hover{text-decoration:underline}
nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:2px solid #d52b1e;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:58px;box-shadow:0 2px 8px rgba(0,0,0,.07)}
.logo{font-weight:800;font-size:1.2rem;color:#d52b1e;letter-spacing:-.5px}
.logo span{color:#003087}
nav ul{list-style:none;display:flex;gap:24px}
nav ul a{font-size:.9rem;font-weight:600;color:#003087}
nav ul a:hover{color:#d52b1e;text-decoration:none}
.hero{background:linear-gradient(135deg,#003087 0%,#001a4d 100%);color:#fff;padding:72px 24px;text-align:center}
.hero h1{font-size:2.4rem;font-weight:800;max-width:720px;margin:0 auto 16px;line-height:1.2}
.hero p{font-size:1.1rem;opacity:.85;max-width:560px;margin:0 auto 28px}
.hero-btn{display:inline-block;background:#d52b1e;color:#fff;padding:14px 32px;border-radius:8px;font-weight:700;font-size:1rem}
.hero-btn:hover{background:#b02218;text-decoration:none}
.stats{display:flex;justify-content:center;gap:48px;padding:28px 24px;background:#f8f9fa;border-bottom:1px solid #e5e7eb;flex-wrap:wrap}
.stat{text-align:center}
.stat strong{display:block;font-size:1.6rem;font-weight:800;color:#d52b1e}
.stat span{font-size:.82rem;color:#6b7280;font-weight:500}
.container{max-width:860px;margin:0 auto;padding:40px 24px}
h2{font-size:1.45rem;font-weight:700;color:#003087;margin:32px 0 12px}
h3{font-size:1.15rem;font-weight:700;color:#1a1a2e;margin:24px 0 10px}
p{margin-bottom:14px;color:#374151}
.section-title{font-size:1.5rem;font-weight:800;color:#003087;margin:48px 0 24px;padding-bottom:10px;border-bottom:3px solid #d52b1e}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:48px}
.card{border:1px solid #e5e7eb;border-radius:12px;padding:20px;transition:box-shadow .2s,transform .2s;background:#fff}
.card:hover{box-shadow:0 6px 20px rgba(0,0,0,.1);transform:translateY(-2px)}
.card h3{font-size:.97rem;margin:0 0 8px;line-height:1.4}
.card h3 a{color:#003087}
.card p{font-size:.83rem;color:#6b7280;margin:0}
.badge{display:inline-block;font-size:.7rem;font-weight:700;background:#eef2ff;color:#003087;padding:3px 8px;border-radius:20px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}
.article-cover{width:100%;border-radius:14px;margin-bottom:28px;display:block}
.breadcrumb{font-size:.82rem;color:#9ca3af;margin-bottom:20px}
.breadcrumb a{color:#6b7280}
.article-title{font-size:2rem;font-weight:800;color:#003087;line-height:1.25;margin-bottom:8px}
.article-meta{font-size:.82rem;color:#9ca3af;margin-bottom:28px}
.article-body h2{font-size:1.3rem;font-weight:700;color:#003087;margin:32px 0 12px;padding-bottom:6px;border-bottom:2px solid #eef2ff}
.article-body p{color:#374151;margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 16px 24px;color:#374151}
.article-body li{margin-bottom:6px}
.article-body strong{color:#1a1a2e}
.faq{margin:40px 0}
.faq h2{font-size:1.35rem;font-weight:800;color:#003087;margin-bottom:20px}
details{border:1px solid #e5e7eb;border-radius:10px;margin-bottom:10px;overflow:hidden}
summary{padding:16px 20px;font-weight:600;cursor:pointer;list-style:none;background:#f8f9fa;color:#1a1a2e;font-size:.95rem}
summary::-webkit-details-marker{display:none}
summary::after{content:'＋';float:right;color:#d52b1e;font-weight:800}
details[open] summary::after{content:'－'}
details[open] summary{background:#eef2ff;color:#003087}
.faq-body{padding:16px 20px;color:#374151;font-size:.92rem;line-height:1.7}
.ad-slot{background:#f8f9fa;border:1px dashed #d1d5db;border-radius:8px;padding:20px;text-align:center;margin:28px 0;color:#9ca3af;font-size:.8rem}
.back{display:inline-block;margin:32px 0;color:#003087;font-weight:600;font-size:.9rem}
.back::before{content:'← '}
footer{background:#003087;color:#fff;text-align:center;padding:32px 24px;margin-top:64px}
footer p{font-size:.85rem;opacity:.8;margin-bottom:6px}
footer a{color:#93c5fd}
.related{background:#f8f9fa;border-radius:12px;padding:24px;margin:32px 0}
.related h3{font-size:1rem;font-weight:700;color:#003087;margin-bottom:14px}
.related ul{list-style:none;padding:0}
.related li{margin-bottom:8px}
.related a{font-size:.9rem;color:#003087;font-weight:500}
.tip-box{background:#eef2ff;border-left:4px solid #003087;border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0}
.tip-box p{margin:0;font-size:.92rem;color:#1a1a2e}
.warn-box{background:#fff7ed;border-left:4px solid #d52b1e;border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0}
.warn-box p{margin:0;font-size:.92rem;color:#1a1a2e}
@media(max-width:600px){.hero h1{font-size:1.6rem}.article-title{font-size:1.4rem}nav ul{gap:12px}.stats{gap:24px}}