/* 导航栏样式 */
.navbar {
    background-color: #fff;
    color: #333;
    padding:  0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e5e5e5;
}

/* 导航栏内的文字保持深色 */
.navbar .container {
    color: #fff;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    white-space: nowrap;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    color: #2c2c2c;
    flex-shrink: 0;
}

.logo img {
    max-height: 40px;
    max-width: 150px;
    height: auto;
    width: auto;
    object-fit: contain;
}

.logo-sub {
    font-size: 11px;
    margin-left: 8px;
    color: #666;
    font-weight: 400;
}

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

.nav-links li {
    margin: 0 12px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 5px 0;
    position: relative;
    font-size: 14px;
}

.nav-links a:hover {
    color: #e1e4e6;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00aaff;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    list-style: none;
    margin: 0;
    padding: 10px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    z-index: 1001;
    min-width: 150px;
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background-color: #f5f5f5;
    color: #00aaff;
}

/* 悬停显示下拉菜单 */
.dropdown:hover .dropdown-menu {
    display: block;
}



.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.phone {
    font-size: 14px;
    font-weight: 500;
    color: #8b8b8b;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
    vertical-align: middle;
}

.nav-action {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-btn {
    padding: 6px 12px;
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.nav-btn:hover {
    background-color: #e5e5e5;
    border-color: #ccc;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 1281px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 0;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        display: none;
        max-height: 80vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 1001;
        scrollbar-width: thin;
        scrollbar-color: #ccc #f5f5f5;
    }
    
    /* 滚动条样式 */
    .nav-links::-webkit-scrollbar {
        width: 6px;
    }
    
    .nav-links::-webkit-scrollbar-track {
        background: #f5f5f5;
    }
    
    .nav-links::-webkit-scrollbar-thumb {
        background-color: #ccc;
        border-radius: 3px;
    }
    
    .nav-links::-webkit-scrollbar-thumb:hover {
        background-color: #aaa;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 0;
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 12px 20px;
        width: 100%;
        box-sizing: border-box;
        position: relative;
    }
    
    /* 为下拉菜单项添加箭头指示器 */
    .dropdown-toggle::after {
        content: '▼';
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 10px;
    }
    
    .nav-right {
        display: none;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border-top: 1px solid #e5e5e5;
        border-radius: 0;
        width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .dropdown-menu li a {
        padding-left: 40px;
    }
    
    .dropdown-menu.active {
        display: block;
    }
}