.header {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 15px 0;
    min-height: 80px;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.header-left {
    display: flex;
    align-items: center;
}

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

.logo img {
    
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-cn {
    font-size: 24px;
    font-weight: bold;
    color: #d4a574;
    letter-spacing: 2px;
}

.logo-en {
    font-size: 12px;
    color: #d4a574;
    letter-spacing: 3px;
    margin-top: 2px;
}

.header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.header-contact {
    display: flex;
    align-items: center;
    color: #d4a574;
    font-size: 14px;
    margin-bottom: 10px;
}

.phone-icon {
    margin-right: 10px;
    vertical-align: middle;
}

.phone-number {
    font-size: 24px;
    color: #efd5ad;
}

.separator {
    margin: 0 10px;
    color: #efd5ad8f;
    font-size: 18px;
    line-height: 1;
    vertical-align: middle;
}

.wx-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.wx-icon {
    vertical-align: middle;
}

.search-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.search-icon {
    vertical-align: middle;
}

.main-nav {
    margin-top: 5px;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 50px;
}

.nav-list li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-list li a:hover {
    color: #d4a574;
}

/* 子菜单样式 */
.nav-list li {
    position: relative;
}

.sub-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    left: -40px;
    text-align: center;
    background: #2d5a87;
    list-style: none;
    margin: 0;
    padding: 10px 0;
    min-width: 150px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 100;
}

.sub-nav li {
    display: block;
}

.sub-nav li a {
    display: block;
    padding: 8px 20px;
    font-size: 14px;
}

.nav-list li:hover .sub-nav {
    display: block;
}

/* 1600px 以下适配 */
@media (max-width: 1600px) {
    body {
        min-width: 1600px;
    }
    .header-container {
        width: 1280px !important;
        margin: 0 auto;
    }
    .nav-list{
        gap: 30px;
    }
}

/* 1440px 以下适配 */
@media (max-width: 1440px) {
    body {
        min-width: 1440px;
    }
    .header-container {
        width: 1280px !important;
        margin: 0 auto;
    }
    .nav-list{
        gap: 30px;
    }
}

/* 1280px 以下适配 */
@media (max-width: 1280px) {
    body {
        min-width: 1160px;
    }
    .header-container {
        width: 1160px !important;
        margin: 0 auto;
    }
    .nav-list{
        gap: 30px;
    }
    .logo img {
        width: 90%;
    }
    
}