/* General 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;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* Header Styles */
.main-header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

.site-name {
    font-size: 1.5em;
    font-weight: bold;
}

.main-nav .nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav .nav-item {
    position: relative;
    margin-left: 25px;
}

.main-nav .nav-link {
    display: block;
    padding: 10px 0;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav .nav-link:hover {
    color: #007bff;
}

.main-nav .has-dropdown:hover > .dropdown-menu {
    display: flex;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    padding: 20px;
    border-top: 3px solid #007bff;
    min-width: 600px;
    max-width: 900px;
    z-index: 100;
    flex-wrap: wrap;
    gap: 20px;
}

.dropdown-column {
    flex: 1;
    min-width: 180px;
}

.dropdown-column h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #007bff;
    font-size: 1.1em;
}

.dropdown-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dropdown-column ul li a {
    display: block;
    padding: 5px 0;
    color: #555;
    text-decoration: none;
    transition: color 0.3s ease;
}

.dropdown-column ul li a:hover {
    color: #007bff;
}

.dropdown-column.featured {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.dropdown-column.featured p {
    font-size: 0.9em;
    color: #666;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-box {
    position: relative;
    display: flex;
}

.search-input {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 0.9em;
    transition: width 0.3s ease;
    width: 150px;
}

.search-input:focus {
    width: 200px;
    border-color: #007bff;
    outline: none;
}

.search-button {
    background: none;
    border: none;
    padding: 0 8px;
    cursor: pointer;
    color: #666;
    font-size: 1em;
}

.search-button:hover {
    color: #007bff;
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #333;
}

.header-bottom {
    background-color: #e9f7ff;
    padding: 10px 0;
    text-align: center;
    border-bottom: 1px solid #cce7ff;
}

.banner-message {
    margin: 0;
    color: #0056b3;
    font-size: 0.9em;
}

.banner-link {
    color: #0056b3;
    font-weight: bold;
    text-decoration: underline;
}

.banner-link:hover {
    color: #007bff;
}

/* Footer Styles */
.main-footer {
    background-color: #222;
    color: #bbb;
    padding: 40px 0 20px;
    font-size: 0.9em;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3 {
    color: #fff;
    font-size: 1.1em;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #007bff;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    text-decoration: none;
    color: #fff;
}

.footer-logo img {
    height: 30px;
    margin-right: 10px;
}

.footer-col.about-us p {
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    color: #bbb;
    font-size: 1.2em;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #007bff;
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
    margin-bottom: 20px;
}

.newsletter-form input[type="email"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #555;
    border-radius: 5px 0 0 5px;
    background-color: #333;
    color: #fff;
    outline: none;
}

.newsletter-form input[type="email"]::placeholder {
    color: #888;
}

.newsletter-form button {
    padding: 10px 15px;
    border: none;
    background-color: #007bff;
    color: #fff;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: #0056b3;
}

.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info p i {
    color: #007bff;
}

.contact-info p a {
    color: #bbb;
    text-decoration: none;
}

.contact-info p a:hover {
    color: #007bff;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    margin-top: 30px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.legal-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.legal-links li a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-links li a:hover {
    color: #007bff;
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* Hide main nav on smaller screens */
    }

    .header-actions {
        order: 2; /* Move actions after logo on smaller screens */
    }

    .logo {
        order: 1;
    }

    .menu-toggle {
        display: block; /* Show toggle button */
    }

    .header-top .container {
        justify-content: space-between;
    }

    .search-box {
        display: none; /* Hide search box by default on smaller screens, can be toggled */
    }

    .main-header.active .main-nav {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        border-top: 1px solid #eee;
    }

    .main-header.active .main-nav .nav-list {
        flex-direction: column;
    }

    .main-header.active .main-nav .nav-item {
        margin: 0;
        border-bottom: 1px solid #eee;
    }

    .main-header.active .main-nav .nav-link {
        padding: 15px 20px;
    }

    .main-header.active .dropdown-menu {
        position: static;
        box-shadow: none;
        border-top: none;
        padding: 10px 20px;
        flex-direction: column;
        gap: 10px;
    }

    .main-header.active .dropdown-column {
        min-width: unset;
    }

    .main-header.active .dropdown-column.featured {
        margin-top: 10px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }

    .legal-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col.about-us {
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

    .newsletter-form {
        justify-content: center;
    }

    .contact-info {
        text-align: center;
    }

    .contact-info p {
        justify-content: center;
    }
}
/* 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;
  }
}