* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #e9f0f5; font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; line-height: 1.5; color: #1e2f3e; padding: 20px; }
.container { max-width: 1280px; margin: 0 auto; background: white; border-radius: 32px; box-shadow: 0 20px 35px -12px rgba(0,0,0,0.15); overflow: hidden; }
.navbar { background: #0b3b3f; padding: 16px 32px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 15px; }
.logo { font-size: 1.6rem; font-weight: bold; color: white; }
.logo span { color: #7ad0c6; }
.nav-links { display: flex; flex-wrap: wrap; gap: 28px; }
.nav-links a { color: white; text-decoration: none; font-weight: 500; }
.nav-links a.active { color: #f9b43a; border-bottom: 2px solid #f9b43a; padding-bottom: 4px; }
.search-box input { padding: 8px 14px; border-radius: 40px; border: none; width: 200px; font-size: 0.9rem; }
.search-box .sbtn { width: 60px; background-color: #1171be; color:#fff; margin-top:10px; }
.breadcrumb { padding: 16px 32px; background: #f4fafd; font-size: 0.85rem; border-bottom: 1px solid #cde7ef; }
.breadcrumb a { color: #146b6b; text-decoration: none; }
.breadcrumb span { color: #6c8f9a; }
.main { padding: 32px 32px 48px; }
.hero { background: linear-gradient(135deg, #d9e9f0, #c2e0ec); padding: 48px 32px; text-align: center; }
.hero h1 { font-size: 2.6rem; color: #0a4b51; margin-bottom: 12px; }
.hero .sub { font-size: 1.2rem; color: #2c6970; margin-bottom: 20px; }
.hero .desc { max-width: 700px; margin: 0 auto; background: rgba(255,255,240,0.7); padding: 12px 20px; border-radius: 60px; }
.hero .stats { margin-top: 20px; font-size: 0.9rem; color: #0b5e64; }
.section { margin-bottom: 48px; }
.section h2 { font-size: 1.8rem; color: #0a4b51; margin-bottom: 24px; padding-bottom: 8px; border-bottom: 3px solid #0b8c7c; display: inline-block; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.card { background: #f8fdfe; border-radius: 20px; padding: 20px; border: 1px solid #cde7ef; transition: 0.2s; }
.card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.card h3 a { color: #146b6b; text-decoration: none; }
.card .summary { color: #2c4a55; font-size: 0.9rem; margin-bottom: 16px; }
.more { color: #dc843a; text-decoration: none; font-weight: 500; }
.two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.guide-box, .faq-box { background: #f9feff; border-radius: 24px; padding: 20px; border: 1px solid #cae3eb; }
.guide-box h3, .faq-box h3 { font-size: 1.4rem; margin-bottom: 20px; color: #0f6b6b; }
.list-item { padding: 10px 0; border-bottom: 1px solid #daecf2; display: flex; align-items: center; gap: 10px; }
.list-item a { text-decoration: none; color: #1b6b6f; font-weight: 500; }
.list-item a:hover { color: #e57e2c; }
.timeline { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin: 20px 0; }
.timeline-node { flex: 1; background: #f0f8fc; padding: 16px; border-radius: 28px; text-align: center; }
.timeline-node .year { font-size: 1.3rem; font-weight: bold; color: #128282; }
.product-links { background: #eef3f7; padding: 24px; border-radius: 28px; margin-top: 20px; }
.product-badge { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.product-badge a { background: white; padding: 8px 20px; border-radius: 40px; text-decoration: none; color: #146b6b; font-weight: 500; }
.detail-header { margin-bottom: 32px; border-bottom: 1px solid #cde7ef; padding-bottom: 20px; }
.detail-header h1 { font-size: 2rem; color: #0a4b51; margin-bottom: 12px; }
.detail-meta { font-size: 0.85rem; color: #6e9aa6; display: flex; gap: 20px; }
.detail-content { font-size: 1rem; line-height: 1.7; }
.detail-content h2 { font-size: 1.5rem; margin: 32px 0 16px; color: #0b5e64; }
.detail-content p { margin-bottom: 16px; }
.detail-content ul { margin: 16px 0 16px 32px; }
.related { margin-top: 48px; padding: 24px; background: #f0f8fc; border-radius: 24px; }
.related h4 { font-size: 1.2rem; margin-bottom: 16px; }
.related ul { display: flex; flex-wrap: wrap; gap: 16px; list-style: none; }
.related ul li a { background: white; padding: 6px 18px; border-radius: 40px; text-decoration: none; color: #146b6b; }
.pagination { margin-top: 40px; text-align: center; }
.pagination a, .pagination span { display: inline-block; padding: 3px 10px; margin: 0 4px; border-radius: 30px; background: #eef3f7; color: #146b6b; text-decoration: none; }
.pagination .current { background: #0b8c7c; color: white; }
.footer { background: #0b3b3f; color: #bbd4dc; padding: 32px; text-align: center; font-size: 0.85rem; }
.footer a { color: #f3bc7c; margin: 0 10px; text-decoration: none; }
@media (max-width: 780px) {
body { padding: 10px; }
.navbar { flex-direction: column; align-items: stretch; }
.search-box { text-align: center; }
.hero h1 { font-size: 1.8rem; }
.two-cols { grid-template-columns: 1fr; }
.main { padding: 20px; }
.breadcrumb { padding: 12px 20px; }
.timeline { flex-direction: column; }
}