* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}
header {
    background: #fff;
    width: 100%;
    position: sticky;
    top: 0;
    left: 0;
}
header .part1 {
    width: 96%;
    margin: 0 auto;
    height: 65px;
    display: flex;
    justify-content: space-between;
    align-items: center;

}
header img {
    width: 94px;
    height: 25px;
}
header .msg {
    width: 170px;
    height: 25px;
    display: flex;
    justify-content: space-around;

}
header .msg div{
    width: 70px;
    height: 25px;
    font-size: 12px;
    border-radius: 13px;
    text-align: center;
    line-height: 25px;
    color: #fff;
    background: #00BAFF;
}
header .msg .vip{
    background: linear-gradient(90deg, #F5CE79 0%, #E5BD61 100%);;
}
/* background:  */
/* 94 25 */
header .part2 {
    width: 100%;
    height: 59px;
    background: rgba(0,0,0,.04);
    font-size: 16px;
}
header .part2 ul {
    display: flex;
    height: 100%;
    width: 96%;
    margin: 0 auto;
    align-items: center;
    justify-content: space-evenly;
}

header .part2 ul li {
    flex: 1;
    text-align: center;
}
header .part2 ul li a {
    font-size: 16px;
    color: #818894;
}

header .part2 ul li img {
    width: 17px;
    height: 17px;
}
header .part2 ul li:last-child {
    margin-top: 5px;
}
header .part2 ul li:first-child a {
    font-size: 21px;
    color: #000;
}
main {

    background: rgba(0,0,0,.04);
}
main .pictures {
    width: 100%;
    height: 101px;
    display: flex;
    justify-content: center;
}

main .pictures img{
    width: 345px;
    height: 86px;
    margin-top: 15px;
}

main  .mode1 {
    width: 96%;
    height: 368px;
    background: yellowgreen;
    margin: 15px auto 0;

}