/* Basic Reset & Body Styles */
body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f8f8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid #eee;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.site-header .logo img {
    height: 40px;
    width: auto;
}

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

.main-navigation ul li {
    position: relative;
    margin-left: 25px;
}

.main-navigation ul li a {
    text-decoration: none;
    color: #555;
    font-weight: bold;
    padding: 10px 0;
    display: block;
    transition: color 0.3s ease;
}

.main-navigation ul li a:hover {
    color: #007bff;
}

.main-navigation .submenu {
    display: none;
    position: absolute;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    list-style: none;
    padding: 10px 0;
    min-width: 180px;
    z-index: 100;
    left: 0;
    top: 100%;
}

.main-navigation ul li:hover > .submenu {
    display: block;
}

.main-navigation .submenu li {
    margin: 0;
}

.main-navigation .submenu li a {
    padding: 8px 20px;
    color: #333;
    font-weight: normal;
}

.main-navigation .submenu li a:hover {
    background-color: #f5f5f5;
    color: #007bff;
}

.search-form {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 5px;
    overflow: hidden;
}

.search-form input[type="search"] {
    border: none;
    padding: 8px 10px;
    outline: none;
    flex-grow: 1;
}

.search-form button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
}

.header-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed #eee;
}

.header-bottom .tagline {
    margin: 0;
    font-style: italic;
    color: #666;
}

.header-bottom .quick-links a {
    margin-left: 15px;
    text-decoration: none;
    color: #007bff;
}

.announcement-bar {
    background-color: #ffeb3b;
    color: #333;
    text-align: center;
    padding: 10px 0;
    font-size: 0.9em;
}

.announcement-bar a {
    color: #007bff;
    text-decoration: underline;
}

/* Mega Menu Styles */
.mega-menu-container {
    display: none; /* Hidden by default, activated by JS or hover */
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
    padding: 20px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    position: absolute;
    width: 100%;
    left: 0;
    z-index: 99;
    justify-content: space-around;
    flex-wrap: wrap;
}

.mega-menu-container .mega-menu-item {
    flex: 1;
    min-width: 200px;
    padding: 10px 20px;
}

.mega-menu-container .mega-menu-item h3 {
    margin-top: 0;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.mega-menu-container .mega-menu-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.mega-menu-container .mega-menu-item ul li a:hover {
    color: #007bff;
}


/* Footer Styles */
.site-footer {
    background-color: #333;
    color: #f0f0f0;
    padding: 40px 0 20px;
    font-size: 0.9em;
}

.site-footer a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-footer a:hover {
    color: #66b2ff;
}

.footer-widgets {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-bottom: 30px;
    border-bottom: 1px solid #555;
    margin-bottom: 20px;
}

.footer-widget {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
    padding-right: 20px;
}

.footer-widget h3 {
    color: #fff;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.1em;
}

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

.footer-widget ul li {
    margin-bottom: 8px;
}

.footer-widget p {
    margin-bottom: 10px;
}

.social-media a {
    display: inline-block;
    background-color: #555;
    color: #fff;
    padding: 5px 10px;
    margin-right: 10px;
    border-radius: 3px;
    text-decoration: none;
}

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

.newsletter form {
    display: flex;
    margin-top: 10px;
}

.newsletter input[type="email"] {
    border: none;
    padding: 10px;
    border-radius: 3px 0 0 3px;
    flex-grow: 1;
    outline: none;
}

.newsletter button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 0 3px 3px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    margin: 5px 0;
    color: #ccc;
}

.language-selector select {
    background-color: #555;
    color: #fff;
    border: 1px solid #777;
    padding: 5px 10px;
    border-radius: 3px;
    margin-top: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .site-header .header-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-navigation {
        width: 100%;
        margin-top: 15px;
    }

    .main-navigation ul {
        flex-direction: column;
        display: none; /* Hidden by default, controlled by JS */
    }

    .main-navigation ul.active {
        display: flex;
    }

    .main-navigation ul li {
        margin: 0;
        border-bottom: 1px solid #eee;
        width: 100%;
    }

    .main-navigation ul li:last-child {
        border-bottom: none;
    }

    .main-navigation .submenu {
        position: static;
        box-shadow: none;
        background-color: #f9f9f9;
        padding-left: 20px;
        border-top: 1px solid #eee;
        width: 100%;
    }

    .header-actions {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 15px;
    }

    .search-form {
        flex-grow: 1;
        margin-right: 10px;
    }

    .menu-toggle {
        display: block;
    }

    .header-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-bottom .quick-links {
        margin-top: 10px;
    }

    .footer-widgets {
        flex-direction: column;
    }

    .footer-widget {
        min-width: unset;
        width: 100%;
        padding-right: 0;
    }

    .mega-menu-container {
        flex-direction: column;
    }

    .mega-menu-container .mega-menu-item {
        width: 100%;
        padding: 10px 0;
    }
}
/* 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;
  }
}