html {
    font-size: 10px;
}

/* 移动端的标准都是根据iphone手机来指定标准的
   微信：是按照iphone6的设计标准设计的，可以参考微信的标准
   iphone6的分辨率 750*1334   在pc端 显示的比例375*667
*/

@media screen and (min-width:300px) {
    html {
        font-size: 8px !important;
    }
}

@media screen and (min-width:320px) {
    html {
        font-size: 8.53px !important;
    }
}

/* iphone6/7/8 */
@media screen and (min-width:375px) {
    html {
        font-size: 10px !important;
    }
}

/* iphone12p */
@media screen and (min-width:390px) {
    html {
        /* 10*390/375= */
        font-size: 10.4px !important;
    }
}

/* iphone6p/7p/8p */
@media screen and (min-width:414px) {
    html {
        /* 10*414/375= */
        font-size: 11.04px !important;
    }
}

@media screen and (min-width:540px) {
    html {
        /* 10*540/375= */
        font-size: 14.4px !important;
    }
}

@media screen and (min-width:600px) {
    html {
        /* 10*600/375= */
        font-size: 16px !important;
    }
}

@media screen and (min-width:700px) {
    html {
        /* 10*700/375= */
        font-size: 18.66px !important;
    }
}

/* ipad */
@media screen and (min-width:768px) {
    html {
        /* 10*768/375= */
        font-size: 20.48px !important;
    }
}

/* ipad Air*/
@media screen and (min-width:820px) {
    html {
        /* 10*820/375= */
        font-size: 21.86px !important;
    }
}

body,
html {
    padding: 0;
    margin: 0;
    background: #fff;
}

input,
button,
select,
textarea {
    font-family: PingFang SC, PingFang SC;
}

dl,
dt,
dd,
ul,
li,
ol,
h1,
h2,
h3,
p,
form {
    padding: 0;
    margin: 0;
}

ul,
li,
ol {
    list-style: none;
}

img {
    vertical-align: top;
    display: inline-block;
}

.clear {
    clear: both;
}

a {
    color: #8B9AAD;
    text-decoration: none;
}

a:hover {
    color: #212229;
    transition: 0.2s ease color;
}

.one-ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.two-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

.three-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

.f5{
    background: #F5F7FA;
}

.head-white {
    width: 100%;
    height: 5.6rem;
}

header {
    width: 100%;
    height: 5.6rem;
    background: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    /* transition: all .4s; */
}

header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0.1rem;
    background: #F0F0F0;
}

.head {
    width: 100%;
    height: 100%;
    padding: 0 1.6rem;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    font-size: 1.6rem;
    color: #787E80;
    line-height: 5.6rem;
}

.head-left {
    height: 100%;
}

.head-left .logo {
    cursor: pointer;
    color: rgba(56,148,255,1);
    font-size: 2.4rem;
}

.head-right{
    display: none;
}

.carousel{
    width: 100%;
    height: 24rem;
}

.carousel-item{
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-item .carousel-image{
    width: 100%;
    height: 100%;
}

.carousel-item .carousel-image  img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-item .carousel-item-content{
    width: 90%;
    position: absolute;
    top: 50%;
    left: 1.6rem;
    transform: translateY(-50%);
    z-index: 1;
    color: #fff;
    font-size: 1.6rem;
}

.carousel-item .carousel-item-content .carousel-title{
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 1.2rem;
}

.carousel-item::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    background: rgba(56,148,255,0.4);
    z-index: 0;
}

.main {
    width: 100%;
    position: relative;
    font-size: 1.4rem;
    color: #212229;
}

.footer{
    width: 100%;
    position: relative;
    font-size: 1.2rem;
    color: #fff;
    padding: 1.6rem 0;
    background: #262626;
    border-bottom: 1px solid #3A3A3A;
}

.content {
    width: 100%;
    margin: 2rem 0;
    padding: 0 1.6rem;
    position: relative;
}

.content .content-image,
.content .content-image img{
    width: 100%;
}

.content .content-word{
    width: 100%;
}

.content .content-word .content-top{
    padding: 1.6rem 0 0.8rem;
    font-size: 1.8rem;
    font-weight: bold;
}

.flex{
    display: flex;
    flex-wrap: wrap;
}

.direction .content-word{
    order:2
}

.direction .content-image{
    order:1
}

.secure{
    width: 100%;
    padding: 2rem 0;
    text-align: center;
    color: #fff;
    background: #404040;
    font-size: 1.4rem;
}

.secure .secure-title{
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.8rem;
}

.footer-content{
    margin-bottom: 0;
}

.footer-title{
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
}

.footer-bottom{
    width: 100%;
    text-align: center;
    height: 3rem;
    line-height: 3rem;
    background: #262626;
    font-size: 1.2rem;
    margin: 0 auto;
}

.footer-bottom a{
    color: #8B9AAD;
}

.footer-bottom a:hover{
    color: #fff;
}