@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica", "PingFangSC", "Microsoft Yahei", "微软雅黑", Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.banner {
    background: url(../images/top.png) no-repeat center;
    height: 560px;
}

.center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.title {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 189px;
    height: 65px;
    margin: 30px auto;
}

#title1 {
    background: url(../images/01.png) no-repeat;
    background-size: 100% 100%;
}

#title2 {
    background: url(../images/02.png) no-repeat;
    background-size: 100% 100%;
}

.tip {
    display: flex;
    justify-content: start;
    align-items: center;
    width: 572px;
    height: 40px;
    background: url(../images/tip.png);
    background-size: 100% 100%;
    font-family: Fontquan-XinYiGuanHeiTi-Regular;
    font-weight: 400;
    font-size: 22px;
    color: #225CED;
    padding-left: 20px;
}


.intro_left {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    width: 55%;
    height: 100%;
}

.intro_left .intro_cont {
    font-size: 22px;
    font-family: Microsoft YaHei UI-Regular, Microsoft YaHei UI;
    font-weight: 400;
    color: #333333;
    line-height: 44px;
    -webkit-background-clip: text;
}

.intro_right {
    position: absolute;
    top: 0;
    right: 25px;
    width: 50%;
    height: 331px;
    background: url(../images/intro.png) no-repeat;
    background-size: 100% 100%;

}

.selected_video {
    width: 100%;
    /* height: 500px; */
    height: 676px;
}

.video_card_box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 1200px;
    height: 340px;
    font-size: 16px;
    font-family: Microsoft YaHei UI-Bold, Microsoft YaHei UI;
    font-weight: bold;
    color: #1E44BF;
}

.video_card {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: flex-start;
    position: relative;
    width: 232px;
    height: 160px;
    padding-left: 20px;
    cursor: pointer;
    color: white;
    border-radius: 10px;
}

.card_title {
    width: 100%;
    margin-bottom: 50px;
}

.card_btn {
    width: 35px;
    height: 30px;
    background: url(../images/play_btn.png);
    background-size: 100% 100%;
}

.card_btn_off {
    width: 35px;
    height: 30px;
    background: url(../images/play_btn_off.png);
    background-size: 100% 100%;
    cursor: pointer;
}

.card_1 {
    background: url(../images/card_01.png);
    background-size: 100% 100%;
}

.card_1_off {
    background: url(../images/card_01_off.png);
    background-size: 100% 100%;
}

.card_2 {
    background: url(../images/card_02.png);
    background-size: 100% 100%;
}

.card_2_off {
    background: url(../images/card_02_off.png);
    background-size: 100% 100%;
}

.card_3 {
    background: url(../images/card_04.png);
    background-size: 100% 100%;
}

.card_3_off {
    background: url(../images/card_04_off.png);
    background-size: 100% 100%;
}

.card_4 {
    background: url(../images/card_03.png);
    background-size: 100% 100%;
}

.card_4_off {
    background: url(../images/card_03_off.png);
    background-size: 100% 100%;
}

.card_5 {
    background: url(../images/card_05.png);
    background-size: 100% 100%;
}

.card_5_off {
    background: url(../images/card_05_off.png);
    background-size: 100% 100%;
}

.card_6 {
    background: url(../images/card_06.png);
    background-size: 100% 100%;
}

.card_6_off {
    background: url(../images/card_06_off.png);
    background-size: 100% 100%;
}

.card_7{
    background: url(../images/card_07.png);
    background-size: 100% 100%;
}

.card_7_off {
    background: url(../images/card_07_off.png);
    background-size: 100% 100%;
}

.card_8 {
    background: url(../images/card_08.png);
    background-size: 100% 100%;
}

.card_8_off {
    background: url(../images/card_08_off.png);
    background-size: 100% 100%;
}

.card_9 {
    background: url(../images/card_09.png);
    background-size: 100% 100%;
}

.card_9_off {
    background: url(../images/card_09_off.png);
    background-size: 100% 100%;
}

.card_10 {
    background: url(../images/card_10.png);
    background-size: 100% 100%;
}

.card_10_off {
    background: url(../images/card_10_off.png);
    background-size: 100% 100%;
}




.avatar {
    width: 164px;
    height: 160px;
    position: absolute;
    bottom: 0;
    right: 0;
}

.avatar01 {
    background: url(../images/avatar01.png);
    background-size: 100% 100%;
}

.avatar02 {
    width: 149px;
    background: url(../images/avatar02.png);
    background-size: 100% 100%;
}

.avatar03 {
    width: 141px;
    background: url(../images/avatar03.png);
    background-size: 100% 100%;
}

.avatar04 {
    background: url(../images/avatar04.png);
    background-size: 100% 100%;
}

.avatar05 {
    width: 141px;
    background: url(../images/avatar03.png);
    background-size: 100% 100%;
}

.avatar06 {
    width: 141px;
    background: url(../images/avatar03.png);
    background-size: 100% 100%;
}

.avatar07 {
    width: 141px;
    background: url(../images/avatar05.png);
    background-size: 100% 100%;
}

.avatar08 {
    width: 149px;
    background: url(../images/avatar02.png);
    background-size: 100% 100%;
}

.avatar09 {
    width: 141px;
    background: url(../images/avatar05.png);
    background-size: 100% 100%;
}

.avatar10 {
    background: url(../images/avatar04.png);
    background-size: 100% 100%;
}

.video_box {
    display: flex;
    justify-content: space-between;
    width: 1200px;
}

.play_btn {
    background: url(../images/play_btn.png);
    background-size: 100% 100%;
    width: 85px;
    height: 72px;
    cursor: pointer;
    position: absolute;
    bottom: 46.4%;
    right: 46.5%;
}

.video_item {
    /* width: 920px;
    height: 520px; */
    width: 100%;
    height: 100%;
    position: relative;
    top: 0;
    left: 0;
}

.footer {
    background: linear-gradient(90deg, #3256ff, #273ed8);
    text-align: center;
    font-size: 16px;
    line-height: 30px;
    color: #fff;
    padding: 20px 0;
    margin: 25px 0 0 0
}