/* 头部样式 */
.site-header {
    padding: 20px 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

/* Logo区域样式 */
.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
}

.company-info {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 24px;
    color: #333;
    margin: 0;
    font-weight: bold;
}

.company-desc {
    font-size: 14px;
    color: #666;
    margin: 5px 0 0 0;
}

/* 联系方式样式 */
.contact-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    font-size: 24px;
    color: #FF0000;
}

.phone-number {
    display: flex;
    flex-direction: column;
}

.label {
    font-size: 12px;
    color: #666;
}

.number {
    font-size: 20px;
    color: #FF0000;
    font-weight: bold;
    text-decoration: none;
}

.number:hover {
    color: #cc0000;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-name {
        font-size: 20px;
    }
    
    .company-desc {
        font-size: 12px;
    }
    
    .number {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .company-desc {
        display: none;
    }
    
    .label {
        display: none;
    }
}

/* 在现有CSS后添加导航样式 */
.main-nav {
    background: linear-gradient(to right, #333333, #666666);
    padding: 0;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 30px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
}

.nav-link.home {
    background-color: #CC0000;
}

.nav-item.active .nav-link {
    background-color: rgba(255,255,255,0.1);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    padding: 10px;
    cursor: pointer;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #333333;
        z-index: 1000;
    }
    
    .nav-list.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-link {
        padding: 12px 20px;
    }
}