*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;color:#1a1a1a;background:#fff;line-height:1.7}
a{color:#d52b1e;text-decoration:none}
a:hover{text-decoration:underline}
nav{background:#003087;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.logo{color:#fff;font-size:1.3rem;font-weight:800;letter-spacing:-.5px}
.logo span{color:#d52b1e}
nav ul{list-style:none;display:flex;gap:24px}
nav ul a{color:#e0e8ff;font-size:.9rem;font-weight:500}
nav ul a:hover{color:#fff;text-decoration:none}
.container{max-width:860px;margin:0 auto;padding:32px 20px}
.hero{background:linear-gradient(135deg,#003087,#001a4d);color:#fff;padding:64px 24px;text-align:center}
.hero h1{font-size:2.4rem;font-weight:900;line-height:1.2;margin-bottom:16px}
.hero p{font-size:1.15rem;opacity:.9;max-width:600px;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:#b02318;text-decoration:none}
.stats{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:32px}
.stat{text-align:center}.stat strong{display:block;font-size:2rem;font-weight:900;color:#d52b1e}
.stat span{font-size:.85rem;opacity:.8}
.section{padding:48px 24px}
.section-title{font-size:1.6rem;font-weight:800;color:#003087;margin-bottom:8px;text-align:center}
.section-sub{text-align:center;color:#6b7280;margin-bottom:32px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;max-width:1100px;margin:0 auto}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px;transition:box-shadow .2s}
.card:hover{box-shadow:0 4px 20px rgba(0,48,135,.1)}
.card-icon{font-size:1.8rem;margin-bottom:10px}
.card h3{font-size:1rem;font-weight:700;color:#003087;margin-bottom:6px}
.card p{font-size:.87rem;color:#6b7280;line-height:1.5}
.card a{display:inline-block;margin-top:12px;color:#d52b1e;font-size:.85rem;font-weight:600}
.article-list{max-width:900px;margin:0 auto;display:grid;gap:16px}
.article-item{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:20px 24px;display:flex;align-items:center;gap:16px;transition:box-shadow .2s}
.article-item:hover{box-shadow:0 4px 16px rgba(0,48,135,.1)}
.article-item-cat{background:#f0f4ff;color:#003087;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap}
.article-item h3{font-size:.97rem;font-weight:600;color:#111;flex:1}
.article-item h3 a{color:#111}
.article-item h3 a:hover{color:#d52b1e}
.breadcrumb{font-size:.83rem;color:#9ca3af;margin-bottom:20px}
.breadcrumb a{color:#9ca3af}
.article-cover{width:100%;border-radius:14px;margin:0 0 28px;display:block}
.article-title{font-size:2rem;font-weight:900;color:#003087;line-height:1.25;margin-bottom:12px}
.article-meta{font-size:.83rem;color:#9ca3af;margin-bottom:24px}
.ad-slot{margin:24px 0}
.article-body h2{font-size:1.3rem;font-weight:800;color:#003087;margin:32px 0 12px}
.article-body h3{font-size:1.1rem;font-weight:700;color:#1a1a1a;margin:24px 0 8px}
.article-body p{margin-bottom:16px;font-size:1rem;line-height:1.8}
.article-body ul,.article-body ol{margin:0 0 16px 24px}
.article-body li{margin-bottom:6px;font-size:1rem;line-height:1.7}
.lead{font-size:1.1rem;line-height:1.8;color:#374151;border-left:4px solid #d52b1e;padding-left:16px}
.tip-box{background:#f0f4ff;border:1px solid #c3d0f0;border-radius:10px;padding:20px;margin:24px 0}
.tip-box strong{color:#003087}
.warning-box{background:#fff5f5;border:1px solid #fca5a5;border-radius:10px;padding:20px;margin:24px 0}
.warning-box strong{color:#d52b1e}
.faq-section{margin:40px 0}
.faq-section h2{font-size:1.3rem;font-weight:800;color:#003087;margin-bottom:20px}
details{border:1px solid #e5e7eb;border-radius:8px;margin-bottom:10px;overflow:hidden}
details[open]{border-color:#003087}
summary{padding:16px 20px;cursor:pointer;font-weight:600;font-size:.95rem;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:1.2rem;color:#d52b1e;font-weight:700}
details[open] summary::after{content:'−'}
.faq-answer{padding:0 20px 16px;color:#4b5563;font-size:.93rem;line-height:1.7}
.related{background:#f9fafb;border-radius:12px;padding:28px;margin:36px 0}
.related h3{font-size:1rem;font-weight:700;color:#003087;margin-bottom:14px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.related-grid a{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:12px;font-size:.85rem;color:#003087;font-weight:500;display:block}
.related-grid a:hover{background:#f0f4ff;text-decoration:none}
.amz-section{margin:36px 0;padding:24px;background:#f0f4ff;border:1px solid #c3d0f0;border-radius:14px}
.amz-section h3{font-size:1.05rem;font-weight:700;margin-bottom:4px;color:#003087}
.amz-disclaimer{font-size:.78rem;color:#9ca3af;margin-bottom:18px}
.amz-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.amz-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:8px}
.amz-name a{font-weight:600;color:#003087;font-size:.93rem;text-decoration:none;line-height:1.4;display:block}
.amz-name a:hover{text-decoration:underline}
.amz-desc{font-size:.83rem;color:#6b7280;line-height:1.5;flex:1}
.amz-btn{display:inline-block;background:#d52b1e;color:#fff;padding:7px 14px;border-radius:7px;font-size:.82rem;font-weight:600;text-decoration:none;text-align:center;margin-top:auto}
.amz-btn:hover{background:#b02318}
footer{background:#003087;color:#a0aec0;text-align:center;padding:32px 24px;font-size:.85rem;margin-top:60px}
footer a{color:#a0aec0}
@media(max-width:600px){.hero h1{font-size:1.6rem}.stats{gap:20px}.article-title{font-size:1.4rem}nav ul{gap:12px}}