* {
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

body {
    margin: 0;
    background-color: #FFFFFF;
}

li {
    list-style: none;
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

a:link,
a:visited,
a:hover,
a:active {
    color: inherit;
    text-decoration: none;
}

.color-red {
    background-color: #B20F22;
}

.color-greed {
    background-color: #819B98;
}

.color-gray {
    background-color: #9E9EA0;
}

.color-black {
    background-color: #231816;
}

.wal {
    width: 100%;
}

.wal-child {
    width: 80%;
}

.wal-link {
    width: 100%;
    height: 60px;
    background-color: #D8D8D8;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wal-link .text {
    font-weight: 500;
    font-size: 18px;
    line-height: 20px;
    color: #000000;
}

.wal-link .text span {
    margin-left: 5px;
    font-weight: 500;
}

.nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    height: 250px;
}

.nav .nav-box {
    width: 100%;
    height: 60px;
}

.nav .bg-link_2 {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.nav .bg-link_2 .logo {
    width: 30%;
    margin-top: 35px;
}

.nav-list {
    position: relative;
    width: 100%;
    height: 50px;
    display: flex;
    justify-content: center;
    background-color: #D8D8D8;
}

.nav-list ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style-type: none;
    width: 50%;
    padding: 0;
    margin: 0;
}

.nav-list li {
    display: inline-block;
    text-align: center;
    z-index: 10;
}

.nav-list .text-index {
    font-weight: 500;
    color: #000000;
    width: 10%;
}

.nav-list .text {
    font-weight: 500;
    color: #000000;
    width: 17%;
    border-left: 1px solid black;
}

.nav-list .nav-link {
    width: 1px;
    background-color: black;
    height: auto;
}

.main {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.box_1 {
    width: 100%;
    background-color: #FFFFFF;
}

.box_1 img {
    max-width: 100%;
}

.box_2 {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FFFFFF;
}

.title {
    margin-top: 8%;
    margin-bottom: 10%;
}

.title-en {
    font-size: 26px;
    text-align: center;
}

.title-ch {
    font-weight: 500;
    line-height: 60px;
    font-size: 34px;
    text-align: center;
}

.box_2-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 150px;
}

.box_2-item .item-33 {
    width: 33%;
}

.box_2-item .item-33 .image {
    width: 75%;
}

.box_2-item .item-33 .text {
    margin-top: 150px;
    font-weight: 500;
    font-size: 20px;
    line-height: 20px;
}

.box_2-item .item-66 {
    width: 66%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.box_2-item .item-66 .item-66-box-1 {
    height: 50%;
    display: flex;
    justify-content: space-between;
}

.box_2-item .item-66 .item-66-box-1 .image-1 {
    margin-right: 10px;
}

.box_2-item .item-66 .item-66-box-1 .image-2 {}

.box_2-item .item-66 .item-66-box-2 {
    display: flex;
    justify-content: stretch;
}

.box_2-item .item-66 .item-66-box-2 .image {
    display: flex;
    justify-content: center;
    padding-top: 50px;
    padding-left: 140px;
    width: 40%;
}

.box_2-item .item-66 .item-66-box-2 .text {
    padding-top: 25%;
    padding-left: 80px;
    font-weight: 500;
    font-size: 20px;
    line-height: 20px;
}

.box_2-item .item-66 .item-66-right {
    width: 33%;
}

.box_3 {
    width: 100%;
    margin-top: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.box_3 .title {
    margin-bottom: 3%;
}

.box_3 .item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.box_3 .item .image {
    width: 50%;
}

.box_3 .item-image {
    margin-top: 5%;
    margin-bottom: 8%;
}


.box_4 {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 8%;
    margin-bottom: 8%;
}

.box_4 .item {
    width: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
}

.box_4 .item ul {
    display: flex;
    justify-content: space-around;
}

.box_4 .item li {
    width: 25%;
    display: inline-block;
}

.box_4 .item li .text {
    text-align: center;
    font-weight: 500;
    line-height: 150px;
    font-size: 22px;
    color: #000000;
}

.box_4 .item li .text span {
    display: inline-block;
    width: 5px;
    height: 5px;
    background-color: #000000;
    border-radius: 50%;
    margin-bottom: 5px;
}

.box_5 {
    margin-top: 20%;
    margin-bottom: 8%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* S 弹窗 */
.go-mobile {
    position: absolute;
    font-weight: 550;
    font-size: 14px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.go-mobile span {
    height: 100%;
    display: flex;
    align-items: center;
    margin-left: 50px;
}

.hidden {
    display: none;
}

.go-mobile .mobile-box {
    position: absolute;
}

.go-mobile .mobile-box .mask {
    position: fixed; /* 通常用fixed以确保遮罩层全屏覆盖并随滚动条移动 */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色作为背景颜色 */
    z-index: 8; /* 设置较高层级，确保遮罩层在其他元素之上 */
}

.go-mobile .mobile-box .modal {
    position: fixed; /* 使用fixed确保其相对于视口定位 */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 垂直和水平居中 */
    background-color: #fff; /* 白色背景 */
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3); /* 添加阴影效果 */
    z-index: 9; /* 确保弹窗在遮罩层之上 */
}

.go-mobile .mobile-box .modal .close-button {
    position: absolute;
    top: 10px; /* 调整到右上角 */
    right: 10px;
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: #000;
}

.go-mobile .mobile-box .modal .close-button:hover {
    color: #f00; /* 可选：鼠标悬停时改变颜色 */
}

.go-mobile .mobile-box .modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #ccc;
}

/* E 弹窗 */