* {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue",helvetica,roboto,arial,"Microsoft YaHei New","Microsoft Yahei","微软雅黑","宋体",simsun,stxihei,"华文细黑",sans-serif !important;
}

a {
    text-decoration: none !important;
}

ul {
    list-style-type: none;
    padding: 0;
}

p {
    margin: 0;
}

body {
    overflow-x: hidden !important;
}

main {
    overflow: hidden;
    background-color: #fafafa !important;
}



.header {
    position: relative;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.header .navigation {
    display: flex;
    justify-content: left;
    align-items: center;


}

.header .navigation .home {
    width: 15%;
    margin-right: 5%;
}

.header .navigation img {
    height: 50px;
    object-fit: cover;

}

.header .navigation nav ul {
    display: flex;
    justify-content: left;
    align-items: center;
    margin-bottom: 0;
}

.header .navigation nav ul li {
    margin-right: 30px;
    padding: 35px 0;
    position: relative;
}

.header .navigation nav ul li a {
    font-size: 17px;
    color: #4A4A4A;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* font-family: math; */
    text-transform: uppercase;
}

.header .navigation nav ul li .icon-icon-dibucaidanxiaojiantou {
    margin-left: 5px;
    transform: rotate(-90deg);
    transition: 0.4s;
}

.header .navigation nav ul li:hover .as {
    color: red;
}

.header .navigation nav ul li:hover .as .icon-icon-dibucaidanxiaojiantou {
    transform: rotate(0);
}

.header .navigation nav ul li .select {
    height: fit-content;
    position: absolute;
    top: 120%;
    left: 9999px;
    background-color: white;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    opacity: 0;
    z-index: 4;
    transition:
        opacity 0.4s ease-out,
        top 0.4s ease-out,
        left 0.4s ease-out 0.4s;


}

.header .navigation nav ul li:hover .select {
    left: 0;
    top: 101%;
    opacity: 1;
    transition:
        opacity 0.4s ease-out,
        top 0.4s ease-out;


}

.header .navigation nav ul li .select.Nf {
    width: 200px;
}

.header .navigation nav ul li .select ul {
    display: block;
    padding: 10px 0;
    position: relative;
}

.header .navigation nav ul li .select ul::before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #E6212A;
}








.header .navigation nav ul li .select ul li {
    margin: 0;
    padding: 0 25px;
    position: relative;

}

.header .navigation nav ul li .select ul li:not(:last-child) {

    border-bottom: 1px solid #dadada;
}

.header .navigation nav ul li .select ul li:first-child a {
    padding-bottom: 5px;
}

.header .navigation nav ul li .select ul li:last-child a {
    padding-top: 5px;
}

.header .navigation nav ul li .select ul li:not(:first-child):not(:last-child) {
    padding: 6px 25px;

}

.header .navigation nav ul li .select ul li a {
    white-space: nowrap;
    transition: 0.4s;
    width: 100%;
    text-align: left;
    display: block;
    position: relative;
}

.header .navigation nav ul li .select ul li a img {
    width: 30px;
    height: auto;
    margin-right: 15px;
}

.header .navigation nav ul li .select ul li:hover .as2 {
    color: #E6212A;
}

.header .navigation nav ul li .select ul li .selects,
.header .navigation nav ul li .select ul li .select2s {
    height: fit-content;
    position: absolute;
    top: 20%;
    left: 9999px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);

    opacity: 0;
    transition:
        opacity 0.4s ease-out,
        left 0.4s ease-out 0.4s;

}
.header .navigation nav ul li .select ul li .selects .li2{
    position: relative;
}
.header .navigation nav ul li .select ul li:hover .selects {
    left: 100%; 
    opacity: 1;
    transition:
        opacity 0.4s ease-out;

}

.header .navigation nav ul li .select ul li .selects .li2:hover .select2s {
    left: 100%; 
    opacity: 1;
    transition:
        opacity 0.4s ease-out;

}
.header .navigation nav ul li .select ul li .selects li a,
.header .navigation nav ul li .select ul li .select2s li a {
    transition: 0.3s;
}

.header .navigation nav ul li .select ul li .selects li:hover .as3,
.header .navigation nav ul li .select ul li .select2s li:hover a {
    color: red;
}

 




.header .search {
    /* pointer-events: none; */
}

.header .searchForm {
    height: 100%;
    display: flex;
    justify-content: right;
    align-items: center;
    width: 90%;
}

.header .searchForm label {
    width: 75%;
    padding: 3px 5px 3px 10px;
    border-radius: 999px;
    border: 1px solid #ccc;
    display: flex;
    pointer-events: auto;
    justify-content: space-between;
    align-items: center;
    margin-right: 20px;
}

.header .searchForm label input {
    padding: 5px 10px;
    border: none;
    outline: none;
    width: 80%;
}

.header .searchForm label button {
    padding: 5px 10px;
    background-color: #E6212A;
    color: white;
    border: none;
    border-radius: 999px;
    font-size: 16px;
    font-weight: bold;

}

.header .HeaderiPhone {
    display: none;
    /* padding: 20px 0; */
}

.header .HeaderiPhone .col-3 img {
    width: 100%;
    object-fit: contain;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

.header .HeaderiPhone .col-9 {
    display: flex;
    justify-content: right;
    align-items: center;
}

.header .HeaderiPhone .col-9 ul {
    display: flex;
    justify-content: right;
    margin: 0;
    padding: 0;
}
.header .HeaderiPhone .col-9 ul li{
    padding: 20px 0;
}
.header .HeaderiPhone .col-9 ul li button {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 999px;
    background-color: #E6212A;
    border: none;
    font-size: 30px;
}

.header .HeaderiPhone .col-9 ul li:nth-child(1) button {
    color: white; 
}
.header .HeaderiPhone .col-9 ul li:nth-child(2){
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    margin: 0 10px;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) img{
    height: 60%;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul.LanguageSelect {
    position: absolute;
    top: 100%;
    max-height: 0;       /* 初始高度为 0 */
    overflow: hidden;    /* 隐藏超出部分 */
    opacity: 0;
    background-color: white;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    z-index: 4; 
    transition:
        opacity 0.4s ease-out,
        max-height 0.4s ease-out;
}

.header .HeaderiPhone .col-9 ul li:nth-child(2).active ul.LanguageSelect {
    max-height: 500px;   /* 设置一个足够大的值 */
    opacity: 1; 
}
 
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul::before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #E6212A;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul {
    display: block;
    width: calc(100% + 60px);
    left: 0;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul  li{
    display: block;
    padding: 10px 10px !important;
    border-bottom: 1px solid #dadada;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul  li:nth-child(2){
    padding: 0 ;
    margin: 0;
    width: 100%;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul  li img{
    height: 25px !important;
}
.header .HeaderiPhone .col-9 ul li:nth-child(2) ul  li a{
    color: #333;
}


.header .HeaderiPhone .col-9 ul li:nth-child(3) button {
    border-radius: 0;
    background-color: transparent;
}

.header .iPhoneSs {
    visibility: hidden;
    position: absolute;
    width: 100vw;
    top: -50px;
    /* 初始位置在视口上方，隐藏元素 */
    left: 0;
    background-color: white;
    z-index: 10;
    padding: 10px 0;
    opacity: 0;
    transition:
        top 0.5s ease-out,
        /* 控制从上到下的移动 */
        opacity 0.4s ease-out,
        /* 控制透明度变化 */
        visibility 0s linear 0.5s;
    /* 确保 visibility 在动画结束后才变化 */
}

.header .iPhoneSs.show {
    visibility: visible;
    top: 100px;
    /* 目标位置，从上方移动到这个位置 */
    opacity: 1;
    transition:
        top 0.5s ease-out,
        opacity 0.4s ease-out,
        visibility 0s linear;
    /* 立即显示 */
}


.header .iPhoneSs .searchForm {
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.header .iPhoneSs form label {
    width: 90%;
}

.header .search {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: end;
}

.header .search .Shou {
    padding: 5px 10px;
    background-color: #E6212A;
    color: white;
    border: none;
    border-radius: 999px;
    font-size: 16px;
    font-weight: bold;
    display: none;
    pointer-events: auto; 
}
.header .search .language {
    height: 100%;
    position: relative;
}
.header .search .language .sp1{
    white-space: nowrap;
    /* font-family: math; */
    font-size: 17px;
    height: 100%;
    display: flex;
    align-items: center;
}
.header .search .language .language2{ 
    position: absolute;
    width: 100%; 
    background-color: white; 
    overflow: hidden; 
    top: 120%;
    left: 9999px;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    opacity: 0;
    z-index: 4;
    transition:
        opacity 0.4s ease-out,
        top 0.4s ease-out,
        left 0.4s ease-out 0.4s;
}  

.header .search .language:hover .language2 {
    left: 0;
    top: 101%;
    opacity: 1;
    transition:
        opacity 0.4s ease-out,
        top 0.4s ease-out; 
} 

.header .search .language .language2::before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #E6212A;
}
.header .search .language .language2 ul{
    padding: 0;
    margin: 0;
}
.header .search .language .language2 ul li{
    padding: 10px 10px; 
}
.header .search .language .language2 ul li:not(:last-child) { 
    border-bottom: 1px solid #dadada;
  }
  .header .search .language .language2 ul li a{
    color: black;
    transition: 0.3s
  }
  .header .search .language .language2 ul li:hover a{
    color: red;
  }
.header .container-md {
    z-index: 100;
    position: relative;
    background-color: white;
}

.header .iPhoneSs {
    z-index: 99;
}

@media screen and (max-width:1600px) {
    .header .searchForm {
        width: 80%;
    }
}

@media screen and (max-width:1400px) {
    .header .navigation .home {
        margin-right: 3.5%;
    }
    .header .navigation nav ul li {
        margin-right: 15px;
    } 
    .header .navigation nav ul {
        padding: 0;
    }
}

@media screen and (max-width:1200px) {
    .header nav {
        width: 85%;
    }

    .header .searchForm {
        display: none;
    }

    .header .search .Shou {
        display: block;
    }

    .header .navigation nav ul li a {
        font-size: 17px;
    }

    .header .navigation nav ul li .select.Nf {
        transform: translateX(-100px);
    }

    .header .iPhoneSs.show {
        top: 95px !important;
    } 
    .header .search .language .sp1{
        margin-left:  30px;
    }
    .header .search .language .sp1 span{
        display: none;
    }
    .header .search .language .language2{
        margin-left: 30px;
        width: calc(100% + 40px);
    }
}
@media screen and (max-width:1100px){
    .header .search .language .language2{
        margin-left: 0;
        width: calc(100% + 40px);
    }
    .header .search .language:hover .language2{
        left: -35%;
    }
}
@media screen and (max-width:991px) {
    .header .computer {
        display: none;
    }

    .header .HeaderiPhone {
        display: flex;
    }

    .header .iPhoneSs.show {
        top: 79px !important;
    }

    .header .HeaderiPhone .col-3 img {
        height: 60px;
        width: auto;
    }

}
 

/* 固定header初始状态 */
.fixed-header {
    transform: translateY(-100%);
}

/* 防止页面跳动 */
body {
    padding-top: 0 !important;
}
.PageBanner{
    background-position: top center;
    background-size: cover;
    background-repeat: no-repeat;
    /* background-attachment: fixed; */
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 200px 0;
    display: flex;
    align-items: center;
    color: white;
}

.PageBanner a{
    color: white;
    font-size: 18px;
    transition: 0.3s;
}
.PageBanner a:hover{
    color: #E6212A;
}
.PageBanner h6{
    font-size: 55px;
    font-weight: 800;
    color: white;
    height: 55px;
    border-left: #E6212A solid 5px;
    padding-left: 20px;
    margin-bottom: 20px;
}
.PageBanner::before{
    /* content: ''; */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -2;
}
.PageBanner::after{
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%; 
    height: 50px;
    z-index: -1;
    background-image: url('../img/banner/di.png');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat; 
}
@media screen and (max-width:1600px) {
    .PageBanner{
        padding: 175px 0;
    }
}
@media screen and (max-width:1400px) {
    .PageBanner{
        padding: 150px 0;
    }
}
@media screen and (max-width:991px) {
    .PageBanner{
        padding: 125px 0;
    }
    .PageBanner h6{
        font-size: 45px;
        height: 45px;
    }
}
@media screen and (max-width:576px) {
    .PageBanner{
        padding: 100px 0;
    }
    .PageBanner h6{
        font-size: 35px;
        height: fit-content;
    }
    .PageBanner a{
        font-size: 16px;
    }
    
}