* {
    margin: 0;
    padding: 0;
    font-style: normal;
    font-family: Source Han Sans CN;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
    font-size: 100%;
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    vertical-align: middle;
}

input {
    outline: none;
}

:hover {
    transition: 0.3s;
}

 ::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

 ::-webkit-scrollbar-track {
    background: #fff;
}

 ::-webkit-scrollbar-thumb {
    background: #1551D3;
    border-radius: 6px;
}

.headerCentre {
    width: 1640px;
    margin: 0 auto;
}

.center {
    width: 1400px;
    margin: 0 auto
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

i img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}

.headerNav {
    background: #fff;
    height: 100px;
    width: 100%;
    transition: 0.3s;
}


/* 固定导航样式 */

header.fixed .headerNav,
.phoneNav.fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: headerSlideDown 0.4s ease-out;
}


/* 向上平滑淡入效果 */


/* .fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    visibility: hidden;
    will-change: opacity, transform;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
} */

header.fixed .headerNav {
    height: 80px;
    /* 滚动后稍微缩小高度 */
}

header.fixed .logo {
    width: 28%;
    /* 滚动后缩小 logo 宽度 */
}

.phoneNav.fixed {
    z-index: 1001;
    /* 确保移动端导航在最上层 */
}

@keyframes headerSlideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.headerNav .headerCentre {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo {
    max-width: 520px;
    width: 32%;
    flex-shrink: 0;
    transition: 0.3s;
}

.logo img {
    width: 100%;
}

.navBox {
    width: 100%;
    padding-left: 120px;
    display: flex;
    justify-content: flex-end;
    height: 100%;
    align-items: center;
}

.navBox ul {
    width: 100%;
    display: flex;
    /* padding: 0 40px; */
    height: 100%;
}

.backHome {
    flex-shrink: 0;
    font-size: 18px;
    color: #666666;
    padding-left: 24px;
    background: url(../../images/MPA/home.png) no-repeat left center/18px;
    display: flex;
    align-items: center;
    margin: 0 20px;
}

.backHome:hover {
    color: #1651d3;
    background-image: url(../../images/MPA/homeon.png);
}

.gzwm {
    display: flex;
    align-items: center;
    width: 166px;
    height: 50px;
    background: #E8EBFF;
    border-radius: 60px;
    padding: 5px;
    gap: 10px;
    position: relative;
    flex-shrink: 0;
    cursor: pointer;
}

.mapcode {
    position: absolute;
    width: 130px;
    top: 50px;
    height: 0;
    z-index: 10;
    left: 50%;
    transform: translateX(-50%);
    transition: 0.3s;
    overflow: hidden;
}

.mapcode b {
    display: block;
    margin-top: 15px;
    padding: 5px;
    background: #fff;
    border: 1px solid #c3c3c3;
}

.mapcode img {
    width: 120px;
    height: 120px;
}

.gzwm:hover .mapcode {
    height: 150px;
    transition: 0.3s;
}

.gzwm i {
    width: 60px;
    height: 42px;
    background: #FFFFFF;
    border-radius: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gzwm i img {
    width: 30px;
    height: 30px;
}

.gzwm p {
    font-weight: 500;
    font-size: 18px;
    color: #333333;
}

.navBox ul li {
    flex: auto;
    position: relative;
    text-align: center;
    height: 100%;
}

.navBox ul li a {
    font-weight: 400;
    font-size: 22px;
    color: #333333;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100%;
    /* gap: 6px; */
    transition: 0.3s;
}

.navBox>ul>li>a::after {
    content: '';
    width: 64px;
    height: 0px;
    background: #2652B2;
    display: block;
    transition: 0.3s;
}

.navBox ul li a:hover,.navBox ul li a.active {
    color: #2652B2;
    font-weight: bold;
}

.navBox ul li a:hover::after,.navBox ul li a.active::after {
    height: 6px;
    transition: 0.3s;
}

.navBox ul li dl {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) scale(0);
    width: fit-content;
    padding: 10px;
    min-width: 120px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 8px;
    z-index: 10;
    transition: 0.3s;
}

.navBox ul li dl dd a {
    font-size: 17px;
    white-space: nowrap;
    color: #333;
    font-weight: normal;
    padding: 10px 0;
    border-bottom: 1px solid #E5E5E5;
}

.navBox ul li dl dd:last-child a {
    border: none;
}

.navBox ul li dl dd a:hover {
    color: #1551D3;
}

.navBox ul li:hover dl {
    transform: translateX(-50%) scale(1);
    transition: 0.3s;
}

.phoneNav {
    width: 100%;
    display: flex;
    position: relative;
    justify-content: space-between;
    background: #fff;
    align-items: center;
    padding: 12px 10px;
}

.dropLeft {
    width: 32px;
    height: 32px;
    display: block;
    background: url(../../images/MPA/icon-meun.png) no-repeat center/contain;
    flex-shrink: 0;
}

.moblielogo {
    width: 70%;
    max-width: 360px;
}

.moblielogo img {
    width: 100%;
}

.masking {
    height: 0;
    width: 100%;
    position: fixed;
    top: 0;
    right: 0;
    background-color: transparent;
    transition: all 0.5s ease 0.2s;
    z-index: -2;
}

.masking.focus {
    background-color: rgba(0, 0, 0, 0.7);
    height: 100%;
    z-index: 1001;
}

.iphone_nav {
    position: fixed;
    display: block;
    top: 0;
    left: 0;
    width: 200px;
    height: 100%;
    margin-left: -200px;
    transition: all 0.6s ease 0.2s;
    -webkit-transition: all 0.6s ease 0.2s;
    -moz-transition: all 0.6s ease 0.2s;
    -ms-transition: all 0.6s ease 0.2s;
    -o-transition: all 0.6s ease 0.2s;
    z-index: 999999;
}

.iphone-box {
    background-color: rgba(255, 255, 255, 0.98);
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 46px;
    padding-top: 80px;
    transition: all 0.6s ease 0.2s;
    -webkit-transition: all 0.6s ease 0.2s;
    -moz-transition: all 0.6s ease 0.2s;
    -ms-transition: all 0.6s ease 0.2s;
    -o-transition: all 0.6s ease 0.2s;
}

.iphone-box>ul>li>a {
    display: block;
    font-size: 20px;
    font-weight: bold;
    color: #333;
    line-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iphone-box .active>a {
    color: #1551D3;
}

.iphone-box>ul>li>a>i {
    height: 18px;
    width: 18px;
    padding-left: 8px;
    box-sizing: content-box;
    display: inline-block;
    background: url(../../images/MPA/icon-add.png) no-repeat right center/contain;
    vertical-align: middle;
}

.iphone-box>ul>li>ul {
    display: none;
    padding-bottom: 10px;
}

.iphone-box>ul>li>ul>li>a {
    display: block;
    font-size: 18px;
    color: #333;
    line-height: 30px;
}

.iphone-box>ul>li>ul>li>a strong {
    font-weight: normal !important;
}

.iphone_nav.focus {
    margin-left: 0;
    display: block !important;
}

.min-search {
    width: 80%;
    margin: 20px auto;
    height: 40px;
    border: 1px solid #9b9b9b;
    border-radius: 20px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}

.min-search form {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding-right: 10px;
}

.min-search form input {
    outline: none;
    border: none;
}

.min-search form input[type="text"] {
    width: calc(100% - 24px);
    padding: 0 10px;
    background: none;
    overflow: hidden;
}

.min-search form input[type="submit"] {
    width: 24px;
    height: 24px;
    background: url(../images/min-research.png) no-repeat center/contain;
    flex-shrink: 0;
}


/* footer */

.footer-top-con {
    width: 100%;
}

.footer-top {
    background: url(../../images/MPA/footBg.png) no-repeat center/cover;
    padding: 35px 0;
}

.footer-bottom {
    background: #313131;
    padding: 12px 20px;
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
}

.botLogo {
    width: 45%;
}

.botLogo img {
    width: 100%;
}

.contactUs {
    width: 100%;
    display: flex;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.26);
    border-radius: 20px;
    border: 1px solid #FFFFFF;
    gap: 20px 45px;
    align-items: flex-end;
    padding: 20px 35px;
    margin: 38px 0;
}

.commonFs {
    margin-right: 20px;
}

.commonFs h4 {
    font-size: 22px;
    color: #FFFFFF;
    margin-bottom: 15px;
}

.commonFs p {
    font-size: 16px;
    color: #FFFFFF;
    background-size: 18px;
    background-position: left center;
    background-repeat: no-repeat;
    padding-left: 26px;
    margin-top: 10px;
}

.commonFs p:first-of-type {
    background-image: url(../../images/MPA/icon-dz.png);
}

.commonFs p:nth-of-type(2) {
    background-image: url(../../images/MPA/icon-yx.png);
}

.commonFs p:nth-of-type(3) {
    background-image: url(../../images/MPA/icon-cz.png);
}

.otherFs p {
    font-size: 16px;
    color: #FFFFFF;
    margin-top: 5px;
}

.otherFs h6 {
    font-size: 18px;
    color: #FFFFFF;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.groupMess {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 20px 10%;
}

.groupMess>div:nth-child(2) {
    flex-shrink: 0;
}

.groupMess>div h6 {
    width: fit-content;
    font-size: 18px;
    color: #FFFFFF;
    padding: 0 30px;
    margin-bottom: 20px;
    background: url(../../images/MPA/icon-yqL.png) no-repeat left center, url(../../images/MPA/icon-yqR.png) no-repeat right center;
}

.rzjg,
.codeItem,
.yqlj {
    width: fit-content;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.rzjg p img {
    width: 100%;
}

.codeBox {
    display: flex;
    gap: 20px 30px;
}

.groupMess>div .codeItem h6 {
    background: none;
    padding: 0;
}

.codeItem p img {
    width: 104px;
    height: 104px;
}

.linkA {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.linkA a {
    width: fit-content;
    font-size: 16px;
    color: #FFFFFF;
    padding-left: 28px;
    background: url(../../images/MPA/icon-link.png) no-repeat left center/20px;
}


/*phoneNav*/

.phoneNav {
    display: none;
}