* { box-sizing: border-box; margin: 0; padding: 0; }
body.modem-body { background-color: #f7f9fa; color: #333333; font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; width: 100%; }
a { color: inherit; text-decoration: none; }
.modem-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; width: 100%; }
.modem-header { background: #ffffff; }
.modem-logo-bar { text-align: center; padding: 15px 0; border-bottom: 1px solid #f0f0f0; }
.modem-logo img { max-height: 55px; max-width: 250px; object-fit: contain; }
.modem-navbar { background: #b8141f; height: 50px; }
.modem-nav-wrap { display: flex; justify-content: center; align-items: center; height: 100%; }
.modem-nav { display: flex; list-style: none; height: 50px; align-items: center; }
.modem-nav-item a { display: block; padding: 0 20px; height: 50px; line-height: 50px; color: #ffffff; font-size: 15px; font-weight: bold; transition: background 0.3s; }
.modem-nav-item a:hover { background: #960c15; }
.modem-notice { background: #ffffff; border-left: 4px solid #b8141f; border-radius: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); margin: 20px auto; padding: 12px 20px; font-size: 14px; color: #555555; }
.modem-sec-title { font-size: 18px; font-weight: bold; color: #ffffff; background: #b8141f; padding: 8px 15px; display: inline-block; border-radius: 4px 4px 0 0; }
.modem-news-card { background: #ffffff; border: 1px solid #eef2f6; border-top: 3px solid #b8141f; border-radius: 0 0 6px 6px; padding: 20px; margin-bottom: 25px; }
.modem-news-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px dashed #eee; }
.modem-news-item:last-child { border-bottom: none; }
.modem-badge-new { background: #ff9800; color: #ffffff; font-size: 10px; padding: 1px 4px; border-radius: 3px; font-weight: bold; margin-left: 5px; }
.modem-carousel-wrap { background: #ffffff; border: 1px solid #eef2f6; border-radius: 6px; padding: 15px; margin-bottom: 30px; }
.modem-carousel { display: grid; grid-template-columns: repeat(6, 1fr); gap: 15px; }
@media (max-width: 768px) { .modem-carousel { grid-template-columns: repeat(2, 1fr); } }
.modem-carousel-card { background: #f8fafc; border-radius: 4px; padding: 10px; text-align: center; }
.modem-three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
@media (max-width: 768px) { .modem-three-col { grid-template-columns: 1fr; } }
.modem-landscape-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 15px; margin-bottom: 30px; }
@media (max-width: 768px) { .modem-landscape-grid { grid-template-columns: repeat(2, 1fr); } }
.modem-landscape-card { background: #ffffff; border: 1px solid #eef2f6; border-radius: 6px; padding: 10px; text-align: center; }
.modem-table { width: 100%; border-collapse: collapse; background: #ffffff; border-radius: 6px; overflow: hidden; margin-bottom: 30px; }
.modem-table th, .modem-table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #f0f0f0; font-size: 14px; }
.modem-table th { background: #ffebee; color: #b8141f; font-weight: 600; }
.modem-btn { background: #b8141f; color: #ffffff; padding: 6px 16px; border-radius: 4px; font-size: 13px; font-weight: 500; display: inline-block; border: none; cursor: pointer; transition: background 0.3s; }
.modem-btn:hover { background: #960c15; }
.modem-price { color: #d9232e; font-weight: bold; font-size: 18px; }
.modem-footer { background: #ffffff; color: #666666; padding: 40px 0 20px; margin-top: 50px; border-top: 1px solid #f0f0f0; text-align: center; font-size: 14px; }
.modem-footer-links a { color: #666666; margin: 0 10px; font-weight: bold; }
.modem-footer-sep { color: #dddddd; }
.modem-copyright { margin-top: 20px; font-size: 13px; color: #999999; }
.modem-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.modem-badge-auto { background: #ffebee; color: #b8141f; }
.modem-badge-manual { background: #f5f5f5; color: #616161; }
.modem-detail-wrap { background: #ffffff; border-radius: 6px; padding: 30px; margin: 30px auto; border: 1px solid #e9ecef; }