*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body{
	font-family: 'Source Han Sans CN';
}
a{
	text-decoration: none;
}
ul li{
	list-style: none;
}
.main{
	width: 100%;
	overflow: hidden;
}
.w{
	width: 1200px;
	height: 100%;
	display: flex;
	justify-content: space-between;
	margin: 0 auto;
}
.w1{
	margin-top: 30px;
}
.header{
	width: 100%;
	height: auto;
	overflow: hidden;
}
.header-top{
	width: 100%;
	height: 160px;
	background: url(../images/back.png) no-repeat center;
	background-size: 100% 100%;
}
.show-logo{
	height: 100%;
	display: flex;
	align-items: center;
}
.show-logo img{
	width: 387px;
	height: 92px;
	display: block;
}
.show-logo p{
	font-size: 30px;
	font-weight: 700;
	color: #FFFFFF;
	margin-left: 16px;
}
.show-search{
	height: 100%;
	display: flex;
	flex-direction: column;
}
.show-search-top{
	display: flex;
	justify-content: flex-end;
	align-items: center;
	margin: 20px 0;
}
.show-search-top a,
.show-search-top span
{
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	margin-left: 8px;
	line-height: 20px;
	cursor: pointer;
}
.line{
	width: 2px;
	height: 16px;
	background: #FFFFFF;
}
.search{
	width: 260px;
	height: 42px;
	display: flex;
	align-items: center;
	background: #1675BB;
	border: 1px solid #3E96D7;
	border-radius: 21px 21px 21px 21px;
}
.search-input{
	width: 84%;
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 42px;
	padding: 0 20px;
	padding-right: 4px;
	outline: none;
	border: none;
	background: transparent;
}
.input-sumit{
	width: 16%;
	height: 100%;
	cursor: pointer;
	display: flex;
	align-items: center;
}
.btn{
	width: 22px;
	height: 22px;
	background: url(../images/search.png) no-repeat center;
	background-size: 100% 100%;
	outline: none;
	border: none;
	cursor: pointer;
}

.nav{
	width: 100%;
	height: 60px;
	background: #015390;
}
.nav-ul{
	justify-content: space-around;
}
.nav-ul li{
	line-height: 60px;
	height: 100%;
	padding: 0 52px;
	position: relative;
}
.nav-ul li a{
	font-size: 18px;
	font-weight: 400;
	color: #FFFFFF;
}
/* 为所有dropdown类的按钮添加倒三角 */
.nav-ul li.dropdown > a::after {
    content: " ▾";
    font-size: 14px;
    margin-left: 5px;
    display: inline-block;
}
.nav-ul li:hover{
	background: #004273;
}

/* ========== 下拉菜单样式 - 修正版 ========== */
/* 下拉菜单容器 - 简化定位 */
.dropdown-menu {
    position: absolute;
    top: 60px;
    left: 0;
    background: #87CEEB;
    min-width: 180px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.25);
    border: 1px solid #3E96D7;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 0;
}

/* 下拉菜单项 */
.dropdown-menu li {
    width: 100%;
}

/* 下拉菜单链接 - 背景色与菜单容器保持一致 */
.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    border-bottom: 1px solid #A8D8FF;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    line-height: 1.4;
    white-space: nowrap;
    background: #87CEEB; /* 与.dropdown-menu背景色相同 */
}

/* 下拉菜单链接悬停效果 - 保持不变 */
.dropdown-menu a:hover {
    background-color: #015390;
    color: white;
}

/* 最后一项去掉下边框 */
.dropdown-menu li:last-child a {
    border-bottom: none;
}

/* 鼠标悬停显示下拉菜单 */
.nav-ul li.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* ========== 下拉菜单样式 - 结束 ========== */

.lunb-back{
	width: 100%;
	height: 450px;
	overflow: hidden;
}
.lunb-back table{
	width: 100% !important;
}
.lunb-back img{
	width: 100%;
	height: 100%;
	display: block;
	object-fit: cover;
}


.footer{
	width: 100%;
	height: 150px;
	background: #0168B5;
	text-align: center;
	margin-top: 40px;
}
.foot{
	width: 100%;
	height: 100%;
	padding: 34px 0;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.foot-address{
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 25px;
}
.foot-address:nth-child(3){
	line-height: 20px;
}
.foot-address img{
	width: 18px;
	height: 20px;
	position: relative;
	top: 4px;
}
.foot-address a{
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 20px;
	display: inline-block;
}

@media screen and (max-width: 1400px) {
	html{
		width: 1400px !important;
	}
	body{
		width: 1400px !important;
	}
}