/* 固定头部 - Logo和导航 */
#fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
#fixed-header .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
#fixed-header .logo-section .logo-text {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: all 0.3s;
    letter-spacing: 1px;
}
#fixed-header .logo-section .logo-text:hover {
    color: #ff9800;
    text-shadow: 0 0 10px rgba(255,152,0,0.5);
}
#fixed-header .main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}
#fixed-header .main-nav ul li {
    margin-left: 5px;
}
#fixed-header .main-nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 18px 15px;
    display: block;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}
#fixed-header .main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: #ff9800;
    transition: all 0.3s;
    transform: translateX(-50%);
}
#fixed-header .main-nav ul li a:hover::after,
#fixed-header .main-nav ul li.active a::after {
    width: 80%;
}
#fixed-header .main-nav ul li a:hover,
#fixed-header .main-nav ul li.active a {
    color: #ff9800;
}
#fixed-header .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
}
#fixed-header .mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: all 0.3s;
    border-radius: 2px;
}
#fixed-header .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#fixed-header .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
#fixed-header .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 顶部联系方式栏 - 固定在导航下方 */
.top-contact-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 8px 0;
    font-size: 13px;
    color: #fff;
    border-bottom: 2px solid #ff9800;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}
.top-contact-bar .contact-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.top-contact-bar .contact-left,
.top-contact-bar .contact-right {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.top-contact-bar a { color: #fff; text-decoration: none; transition: all 0.3s; }
.top-contact-bar a:hover { color: #ff9800; text-shadow: 0 0 8px rgba(255,152,0,0.5); }
.top-contact-bar .contact-item {
    display: inline-flex;
    align-items: center;
    padding: 2px 0;
    white-space: nowrap;
}
.top-contact-bar .contact-item i {
    margin-right: 6px;
    color: #ff9800;
    font-size: 14px;
}
.top-contact-bar .contact-divider {
    display: inline-block;
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.2);
    margin: 0 12px;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
.top-contact-bar .social-links { display: inline-flex; align-items: center; margin-left: 15px; }
.top-contact-bar .social-links a {
    margin-left: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,152,0,0.15);
    transition: all 0.3s;
}
.top-contact-bar .social-links a i { margin-right: 0; font-size: 14px; }
.top-contact-bar .social-links a:hover {
    background: #ff9800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,152,0,0.4);
}

/* 页面内容偏移 */
.main-wrapper {
    padding-top: 100px;
}
.navbar {
    background: rgba(26,26,46,0.95) !important; backdrop-filter: blur(10px); border: none;
    border-radius: 0; margin-bottom: 0; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.navbar-nav > li > a {
    color: #fff !important; font-weight: 500; padding: 15px 20px; transition: all 0.3s; position: relative;
}
.navbar-nav > li > a::after {
    content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 3px;
    background: #ff9800; transition: all 0.3s; transform: translateX(-50%);
}
.navbar-nav > li > a:hover::after, .navbar-nav > li.active > a::after { width: 80%; }
.navbar-nav > li > a:hover, .navbar-nav > li.active > a { color: #ff9800 !important; background: transparent !important; }
.page-banner {
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(255,152,0,0.7) 100%), url('assets/img/bg/slide_one.jpg') center/cover;
    padding: 120px 0 80px; color: #fff; text-align: center; position: relative;
}
.page-banner::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, transparent, #ff9800, transparent);
}
.page-banner h1 { font-size: 48px; margin-bottom: 20px; font-weight: 700; text-shadow: 0 3px 10px rgba(0,0,0,0.3); }
.page-banner p { font-size: 20px; opacity: 0.95; max-width: 600px; margin: 0 auto; }
.contact-section { padding: 80px 0; }
.contact-section h2 { text-align: center; margin-bottom: 50px; font-weight: 700; color: #1a1a2e; }
.service-form {
    background: #fff; padding: 40px; border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08); transition: all 0.3s;
}
.service-form:hover { box-shadow: 0 15px 40px rgba(255,152,0,0.15); }
.service-form h4 { color: #ff9800; margin-bottom: 25px; font-weight: 600; }
.service-form .form-control { margin-bottom: 15px; border-radius: 8px; border: 1px solid #ddd; padding: 12px; }
.service-form .form-control:focus { border-color: #ff9800; box-shadow: 0 0 0 3px rgba(255,152,0,0.1); }
.service-form .btn {
    background: linear-gradient(135deg, #ff9800, #f57c00); color: #fff; border: none;
    padding: 14px 35px; border-radius: 30px; font-weight: 600; transition: all 0.3s;
}
.service-form .btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255,152,0,0.3); }
.contact-info { padding: 40px; }
.contact-info h4 { color: #ff9800; margin-bottom: 25px; font-weight: 600; }
.contact-info .info-item { padding: 18px 0; border-bottom: 1px solid #eee; }
.contact-info .info-item:last-child { border-bottom: none; }
.contact-info .info-item i { color: #ff9800; margin-right: 12px; width: 24px; font-size: 18px; }
.contact-info .info-item h5 { margin-bottom: 5px; color: #1a1a2e; font-weight: 600; }
.contact-info .info-item p { color: #666; margin: 0; }
.stats-bar {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: #fff; padding: 60px 0; position: relative;
}
.stats-bar::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.stats-bar .stat-item { text-align: center; position: relative; z-index: 1; }
.stats-bar .stat-item .number { font-size: 48px; font-weight: bold; margin-bottom: 10px; }
.stats-bar .stat-item .label { font-size: 16px; opacity: 0.9; text-transform: uppercase; letter-spacing: 2px; }
.footer-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); color: #fff; padding: 60px 0 30px; position: relative;
}
.footer-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #ff9800, #f57c00, #ff9800);
}
.footer-section a { color: #ff9800; text-decoration: none; transition: all 0.3s; }
.footer-section a:hover { color: #fff; text-shadow: 0 0 8px rgba(255,152,0,0.5); }
.footer-section h4 {
    margin-bottom: 25px; color: #ff9800; font-weight: 600; position: relative; padding-bottom: 12px;
}
.footer-section h4::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 3px;
    background: #ff9800; border-radius: 2px;
}
.footer-section p, .footer-section li { color: #aaa; line-height: 1.8; }
.footer-section ul { list-style: none; padding: 0; }
.footer-section ul li { margin-bottom: 10px; padding-left: 15px; position: relative; }
.footer-section ul li::before { content: '›'; position: absolute; left: 0; color: #ff9800; font-weight: bold; }
.cta-section {
    background: linear-gradient(135deg, rgba(255,152,0,0.9) 0%, rgba(245,124,0,0.9) 100%), url('assets/img/bg/picture-1.jpg') center/cover;
    padding: 80px 0; color: #fff; text-align: center; position: relative;
}
.cta-section h2 { margin-bottom: 25px; font-weight: 700; font-size: 36px; }
.cta-section .btn {
    background: #fff; color: #ff9800; font-weight: bold; padding: 15px 40px; border: none;
    border-radius: 30px; font-size: 16px; transition: all 0.3s;
}
.cta-section .btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.btn { border-radius: 30px; padding: 12px 30px; font-weight: 600; transition: all 0.3s; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }
.service-list { padding: 60px 0; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); }
.service-list h3 { color: #ff9800; margin-bottom: 20px; font-weight: 600; }
.service-list ul { list-style: none; padding: 0; }
.service-list ul li { padding: 12px 0; border-bottom: 1px solid #ddd; color: #666; }
.service-list ul li i { color: #ff9800; margin-right: 10px; }
/* 响应式优化 */
@media (max-width: 768px) {
    #fixed-header .header-container {
        padding: 0 15px;
    }
    #fixed-header .main-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #1a1a2e;
        border-top: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    }
    #fixed-header .main-nav.active {
        display: block;
    }
    #fixed-header .main-nav ul {
        flex-direction: column;
        padding: 10px 0;
    }
    #fixed-header .main-nav ul li {
        margin-left: 0;
        width: 100%;
    }
    #fixed-header .main-nav ul li a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    #fixed-header .main-nav ul li a::after {
        display: none;
    }
    #fixed-header .mobile-menu-toggle {
        display: flex;
    }
    .top-contact-bar {
        top: 60px;
        padding: 10px 0;
    }
    .top-contact-bar .contact-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .top-contact-bar .contact-left,
    .top-contact-bar .contact-right {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    .top-contact-bar .contact-item {
        display: block;
        margin-right: 0;
        margin-bottom: 5px;
        width: 100%;
    }
    .top-contact-bar .contact-divider {
        display: none;
    }
    .top-contact-bar .social-links {
        margin-left: 0;
        margin-top: 10px;
    }
    .main-wrapper {
        padding-top: 140px;
    }
    .page-banner h1 { font-size: 32px; }
    .stats-bar .stat-item .number { font-size: 36px; }
}
