.link {
    width: 100%;
    height: 50px;
    background: #DB011C;
    display: flex;
    align-items: center;
    justify-content: center;

}
.link a {
    display: block;
    font-size: 18px;
    font-family: Arial;
    font-weight: normal;
    color: #FFFFFF;
    position: relative;
}
.link a:nth-child(1) {
    margin-right: 64px;
}
.link .on:after {
    content: "";
    position: absolute;
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%);
    border-top: 16px #DB011C solid;
    border-bottom: 16px transparent solid;
    border-left: 50px transparent solid;
    border-right: 50px transparent solid;
}
.sec {
    width: 100%;
    padding-top: 74px;
}
.sec .joke {
    width: 1420px;
    margin: auto;
}
.sec .joke .top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 73px;
}
.sec .joke .top .text {
    padding-top: 79px;
}
.sec .joke .top .text h1 {
    font-size: 22px;
    font-family: Arial;
    font-weight: 900;
    color: #333333;
    margin-bottom: 29px;
}
.sec .joke .top .text p {
    width: 645px;
    font-size: 18px;
    font-family: Arial;
    font-weight: normal;
    color: #666666;
    line-height: 26px;
}
.sec .joke .bottom {
    display: flex;
    justify-content: space-between;
    margin-bottom: 93px;
}
.sec .joke .bottom .item {
    width: 330px;
    height: 300px;
    background: #EEEEEE;
    border-top: 8px #DB011C solid;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 0 32px;
}
.sec .joke .bottom .item .iconfont {
    font-size: 70px;
    color: #DB011C;
    margin-bottom: 29px;
}
.sec .joke .bottom .item h2 {
    font-size: 18px;
    font-family: Arial;
    font-weight: 900;
    color: #333333;
    margin-bottom: 18px;
}
.sec .joke .bottom .item p {
    font-size: 18px;
    font-family: Arial;
    font-weight: normal;
    color: #666666;
    line-height: 26px;
}