*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
.content-box {
    background-color: #405454;
    height: 100%;
    overflow: auto;
}
header {
    height: 60px;
    width: 100vw;
    background-color: #405454;
    box-shadow: 0px 5px 5px #303f3f;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 998;
    margin-left: -18px;
}
.top-title {
    line-height: 60px;
    font-size: 22px;
    color: #ffffff;
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    position: relative;
    
}
.login {
    margin-left: 20px;
    font-size: 12px;
    color: #fff;
}
.active {
    color: #fff;
    background-color: #405454;
}
.top-logo {
    width: 52px;
    height: 29px;
    margin-right: 20px;
}
.top-menu {
    width: 26px;
    height: 19px;
    margin-left: auto;
    margin-right: 15px;
    cursor: pointer;
}
.top-menu-list-box {
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 90px;
    right: 0;
    z-index: 999;
    text-align: center;
    line-height: 60px;
    font-size: 18px;
    color: #a5b8b8;
    width: 140px;
    height: 232px;
    border-radius: 5px;
    background-color: #405454;
    filter: drop-shadow(0 0 6px #1e2b2b);
    
}
.top-menu-list-box span {
    cursor: pointer;
}
.top-menu-list-box:after {
    content: "";
    display: block;
    width: 44px;
    height: 44px;
    background: #405454;
    position: absolute;
    z-index: -999;
    right: 46px;
    top: -20px;
    transform: rotate(45deg);
    transform: rotateZ(45deg) skew(15deg, 15deg);
}
.wrapper {
    width: 1200px;
    margin: 78px auto 0;
    color: #fff;
}
.center-row1 {
    display: flex;
    margin: 0 0 28px 26px;
}
.center-row1-text {
    margin: 50px 0 0 64px;
    display: flex;
    flex-direction: column; 
}
.row1-text1,
.row1-text2 {
    font-size: 22px;
}
.row1-text3,
.row1-text4 {
    font-size: 28px;
}
.row1-text1,
.row1-text3 {
    margin-bottom: 20px;
}
.row1-text2 {
    margin-bottom: 40px;
}
.download-app {
    display: flex;
    margin: 0 0 50px 270px;
    
}
.download-box {
    width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 90px;
    font-size: 14px;
}
.download-qr-code {
    width: 85px;
    height: 85px;
    border-radius: 10px;
    background-color: #fff;
    margin-bottom: 20px;
}
.download-qr-code img{
    width: 100%;
    border-radius: 10px;
}
.introduce {
    width: 1020px;
    font-size: 16px;
    padding: 0 5px;
    line-height: 36px;
    text-align: center;
    margin: 0 auto;
    margin-bottom: 100px;
}
.icp-num {
    font-size: 12px;
    margin: 0 auto 100px;
    display: flex;
    justify-content: center;
    
}
.icp-num a {
    color: #fff;
}
.center-row2 {
    display: flex;
    margin: 0 0 168px 26px;
    
}
.center-row2-text {
    margin-left: 64px;
    display: flex;
    flex-direction: column;
    
}
.row2-text1 {
    line-height: 77px;
    font-size: 48px;
    margin-bottom: 2px;
}
.row2-text2 {
    line-height: 57px;
    font-size: 22px;
    margin-bottom: 27px;
}
.row1-text3-ul {
    padding-left: 20px;
    
}
.row1-text3-li {
    line-height: 32px;
    margin-bottom: 20px;
    list-style: disc outside none;
}
.center-row4 {
    margin: 0 0 90px 0;
}
.bottom-banner {
    width: 1200px;
    height: 856px;
    background: url("./imgs/home-10.png");
    margin-bottom: 45px;
    position: relative;
    
    
}
.bgc-title {
    width: 608px;
    text-align: center;
    font-size: 32px;
    color: #405454;
    margin: 0 0 28px 389px;
    padding-top: 54px;
}
.bgc-img {
    margin-left: 75px;
}
.bgc-img-11 {
    position: absolute;
    top: 498px;
    left: 462px;
}
.bgc-icon-position {
    width: 160px;
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    
}
.bgc-icon-position-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 16px;
    color: #405454;
}
.bgc-img-text {
    margin: 6px 0;
}
.bgc-line01 {
    width: 1px;
    height: 148px;
    background-color: #44d7b6;
}
.bgc-line02 {
    width: 1px;
    height: 110px;
    background-color: #44d7b6;
}
.bgc-line03 {
    width: 1px;
    height: 156px;
    background-color: #44d7b6;
}
.bgc-line04 {
    width: 1px;
    height: 86px;
    background-color: #44d7b6;
}
.bgc-line05 {
    width: 1px;
    height: 70px;
    background-color: #44d7b6;
}
.bgc-spot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #44d7b6;
}
.bgc-icon-position.img01 {
    top: 252px;
    left: 740px;
}
.bgc-icon-position.img02 {
    top: 362px;
    left: 618px;
}
.bgc-icon-position.img03 {
    top: 430px;
    left: 385px;
}
.bgc-icon-position.img04 {
    top: 424px;
    left: 910px;
}
.bgc-icon-position.img05 {
    top: 668px;
    left: 780px;
}
.footer-text {
    line-height: 77px;
    display: flex;
    justify-content: center;
}
/* 展示大图 */
.show-big-img-box {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(215, 215, 215, 0.5);
}
.big-img-box {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ccc;
}
.big-img {
    max-width: 400px;
}
.big-img > img {
    width: 100%;
}