*
{
    margin: 0;
    padding: 0;
}

ul, li
{
    list-style: none;
}

a
{
    text-decoration: none;
    color: #fff;
}

a:hover
{
    color: #ff6c2f;
}





header
{
    width: 100%;
    height: 110px;
    background: url(/images/courseVideo/kp_courseHeader.png) no-repeat top center;
    position: absolute;
    top: 0;
    left: 0;
}
.header_text
{
    width: 1300px;
    height: 110px;
    position: fixed;
    top: 0;
    background: url(/images/courseVideo/kp_courseHeader.png) no-repeat top center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 99;
    left: 50%;
    transform: translateX(-50%);
}
.left, .right
{
    display: flex;
    align-items: center;
    color: #fff;
}

.left > div
{
    margin-left: 24px;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
}

.right a
{
    display: flex;
    align-items: center;
}

.right a img
{
    width: 24px;
    height: 24px;
}

.right .login
{
    margin-left: 8px;
    font-size: 24px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
}

.main_warp
{
    width: 100%;
    margin-top: 110px;
}
.main_warp img
{
    width: 100%;
    height: auto;
}

.img2_box
{
    position: relative;
}
.video_box
{
    width: 100%;
    height: 85%;
    position: absolute;
    top: 2px; /* background-color: Red; */
    min-width: 1300px;
}
.video
{
    width: 18%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 21%;
    overflow: hidden;
}

.video_input
{
    width: 100%;
    height: 100%;
    border-radius: 8px;
}
.buyVideo_btn
{
    width: 553px;
    height: 142px;
    position: absolute;
    top: 56%;
    left: 44%;
}
.main_warp img
{
    min-width: 1300px;
    margin: 0 auto;
}