.page-hero { background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%); color: #fff; padding: 60px 0; text-align: center; }
.page-hero h1 { font-size: 36px; margin-bottom: 15px; }
.page-hero p { font-size: 18px; max-width: 800px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { color: #1a5276; font-size: 32px; margin-bottom: 15px; }
.section-title p { color: #666; font-size: 16px; }
.service-detail-card { background: #fff; border-radius: 8px; padding: 30px; margin-bottom: 30px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.service-detail-card h3 { color: #e74c3c; margin-bottom: 15px; }
.project-table { width: 100%; border-collapse: collapse; margin-bottom: 30px; }
.project-table th, .project-table td { padding: 12px; border: 1px solid #ddd; text-align: left; }
.project-table th { background: #1a5276; color: #fff; }
.project-table tr:nth-child(even) { background: #f8f9fa; }
.feature-box { background: #fff; padding: 25px; border-radius: 8px; text-align: center; margin-bottom: 30px; box-shadow: 0 3px 10px rgba(0,0,0,0.1); }
.feature-box i { font-size: 48px; color: #e74c3c; margin-bottom: 15px; }
.feature-box h4 { color: #1a5276; margin-bottom: 10px; }
.btn-primary-custom { background: #e74c3c; color: #fff; padding: 12px 30px; border: none; border-radius: 5px; font-size: 16px; text-decoration: none; display: inline-block; transition: all 0.3s; }
.btn-primary-custom:hover { background: #c0392b; color: #fff; }
.footer-custom { background: #2c3e50; color: #fff; padding: 40px 0 20px; }
.footer-custom h4 { color: #fff; }
.footer-custom p { color: #fff; }
.footer-custom a { color: #f39c12; text-decoration: none; }
.footer-custom a:hover { color: #fff; }
.footer-custom ul { list-style: none; padding: 0; }
.footer-custom ul.footer-links { list-style: none; padding: 0; }
.footer-custom ul.footer-links li a { color: #f39c12; text-decoration: none; }
.footer-custom ul.footer-links li a:hover { color: #fff; }
.footer-custom hr { border-color: rgba(255,255,255,0.2); }
.footer-custom hr.footer-divider { border-color: rgba(255,255,255,0.2); }
.content-section { padding: 60px 0; }
.content-section.alt-bg { background: #f8f9fa; }
.contact-sidebar { background: #e74c3c; color: #fff; padding: 30px; border-radius: 8px; }
.contact-sidebar h3 { color: #fff; margin-bottom: 15px; }
.contact-sidebar a { background: #fff; color: #e74c3c; }
.contact-sidebar a:hover { background: #f8f9fa; color: #e74c3c; }
.contact-top-bar { background: #1a5276; color: #fff; padding: 8px 0; font-size: 14px; }
.contact-top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.contact-top-bar a { color: #fff; text-decoration: none; margin-right: 20px; }
.contact-top-bar a:hover { color: #f39c12; }
.contact-top-bar i { margin-right: 5px; color: #f39c12; }
.logo-text-area { padding: 15px 0; }
.logo-text-area a { font-size: 18px; font-weight: bold; color: #1a5276; text-decoration: none; display: block; line-height: 1.3; }
.logo-text-area a:hover { color: #f39c12; }
.main-nav-menu { background: #2c3e50; }
.main-nav-menu ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; }
.main-nav-menu ul li a { display: block; padding: 15px 20px; color: #fff; text-decoration: none; font-size: 16px; transition: all 0.3s; }
.main-nav-menu ul li a:hover, .main-nav-menu ul li.active a { background: #f39c12; color: #fff; }
.footer-custom ul { list-style: none; padding: 0; }
.footer-custom hr { border-color: rgba(255,255,255,0.2); }

/* 手机端响应式 */
@media (max-width: 767px) {
    .container { width: 100%; padding: 0 15px; }
    .contact-top-bar { padding: 10px 0; }
    .contact-top-bar .container { flex-direction: column; text-align: center; }
    .contact-top-bar .container > div { margin: 5px 0; }
    .contact-top-bar img { max-width: 100%; height: auto; margin-bottom: 5px; }
    .contact-top-bar a { margin: 5px 10px; display: inline-block; }
    .logo-text-area { padding: 10px 0; }
    .logo-text-area a { font-size: 12px; text-align: center; line-height: 1.4; word-break: break-all; }
    .main-nav-menu { position: relative; }
    .main-nav-menu ul { flex-direction: column; display: none; }
    .main-nav-menu ul.active { display: flex; }
    .main-nav-menu ul li { width: 100%; }
    .main-nav-menu ul li a { padding: 12px 15px; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.1); display: block; }
    .main-nav-menu .menu-toggle { display: block; padding: 15px; text-align: center; color: #fff; font-size: 20px; cursor: pointer; }
    .page-hero { padding: 30px 0; }
    .page-hero h1 { font-size: 20px; line-height: 1.3; }
    .page-hero p { font-size: 13px; padding: 0 10px; }
    .section-title { margin-bottom: 30px; }
    .section-title h2 { font-size: 20px; }
    .section-title p { font-size: 13px; }
    .service-detail-card { padding: 15px; margin-bottom: 20px; }
    .service-detail-card h3 { font-size: 16px; }
    .service-detail-card p { font-size: 13px; }
    .service-detail-card ul { font-size: 13px; }
    .project-table { font-size: 11px; }
    .project-table th, .project-table td { padding: 6px; }
    .feature-box { padding: 15px; margin-bottom: 20px; }
    .feature-box i { font-size: 32px; }
    .feature-box h4 { font-size: 15px; }
    .btn-primary-custom { padding: 10px 20px; font-size: 13px; }
    .footer-custom { padding: 25px 0 15px; }
    .footer-custom h4 { font-size: 15px; margin-bottom: 10px; }
    .footer-custom p { font-size: 12px; }
    .footer-custom ul.footer-links li a { font-size: 12px; }
    .content-section { padding: 30px 0; }
    .row > [class*="col-"] { width: 100%; }
}
@media (min-width: 768px) {
    .main-nav-menu .menu-toggle { display: none; }
}