/* Basic Reset & Body Styles */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
.main-header {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-top-bar {
    background-color: #007bff;
    color: #ffffff;
    padding: 10px 0;
    font-size: 0.9em;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-content .contact-info span {
    margin-right: 20px;
}

.top-bar-content .social-links a {
    color: #ffffff;
    margin-left: 15px;
    text-decoration: none;
}

.header-main-nav .navbar-brand .logo {
    height: 40px;
    margin-right: 10px;
}

.header-main-nav .navbar-brand .brand-name {
    font-weight: bold;
    color: #333;
    font-size: 1.5em;
}

.header-main-nav .nav-link {
    color: #555 !important;
    padding: 15px 20px !important;
    transition: color 0.3s ease;
}

.header-main-nav .nav-link:hover,
.header-main-nav .nav-item.active .nav-link {
    color: #007bff !important;
}

.header-main-nav .dropdown-menu {
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.header-main-nav .dropdown-item:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

.search-icon .nav-link i,
.user-menu .nav-link i {
    font-size: 1.2em;
    vertical-align: middle;
}

/* Footer Styles */
.main-footer {
    background-color: #343a40 !important; /* Dark background */
    color: #ffffff;
    padding-top: 50px;
    padding-bottom: 30px;
    font-size: 0.9em;
}

.main-footer .footer-column h5 {
    color: #007bff !important; /* Primary color for headings */
    margin-bottom: 25px;
    position: relative;
}

.main-footer .footer-column h5::after {
    content: '';
    display: block;
    width: 50px;
    height: 2px;
    background-color: #007bff;
    margin-top: 10px;
}

.main-footer .list-unstyled li a {
    color: #adb5bd !important; /* Lighter text for links */
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    padding: 5px 0;
}

.main-footer .list-unstyled li a:hover {
    color: #ffffff !important;
}

.main-footer .social-media-footer a {
    color: #adb5bd;
    margin-right: 10px;
    font-size: 1.2em;
    transition: color 0.3s ease;
}

.main-footer .social-media-footer a:hover {
    color: #ffffff;
}

.main-footer p {
    color: #adb5bd;
}

.main-footer hr {
    border-color: #495057;
}

.main-footer .social-icons-bottom li a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.main-footer .social-icons-bottom li a:hover {
    color: #ffffff;
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .header-main-nav .navbar-collapse {
        background-color: #ffffff;
        border-top: 1px solid #eee;
        padding: 10px 0;
    }
    .header-main-nav .navbar-nav .nav-item {
        margin: 5px 0;
    }
    .header-main-nav .navbar-nav .nav-link {
        padding: 10px 15px !important;
    }
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }
    .top-bar-content .contact-info span {
        margin: 5px 0;
        display: block;
    }
    .top-bar-content .social-links {
        margin-top: 10px;
    }
}

@media (max-width: 767px) {
    .main-footer .footer-column {
        margin-bottom: 30px;
        text-align: center;
    }
    .main-footer .footer-column h5::after {
        margin-left: auto;
        margin-right: auto;
    }
    .main-footer .social-media-footer {
        text-align: center;
    }
    .main-footer .social-icons-bottom {
        text-align: center;
        margin-top: 15px;
    }
    .main-footer .social-icons-bottom li {
        display: inline-block;
        margin: 0 10px;
    }
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}