.about_html .about_banner {
    /* height: 992px; */
    width: 100%;
}

.about_html .about_banner img {
    width: 100%;
}

.about_con {
    width: 1200px;
    margin: 0 auto;
    /* height: 1000px; */
}

.biaoti_about h3 {
    height: 100px;
    line-height: 100px;
    text-align: center;
    font-size: 24px;
    font-weight: 500;
    color: #333333;
}

.biaoti_about h3 .left_bg {
    content: url('../images/left_tit.png');
    position: relative;
    right: 25px;
    bottom: 4px;
}

.biaoti_about h3 .right_bg {
    content: url('../images/left_tit.png');
    transform: rotate(180deg);
    position: relative;
    left: 25px;
    bottom: 4px;
}

.min-height {
    min-height: 300px;
    margin-bottom: 50px;
}

.about_text p {
    font-size: 18px;
    line-height: 36px;
    margin-bottom: 10px;
    text-indent: 36px;
    color: rgba(51, 51, 51, 0.8);
}

.about_text p img {
    max-width: 100%;
    height: inherit !important;
}


/* 范围 */

.fl_4 .sell_fanwei {
    width: 1200px;
    height: 334px;
    margin: 0 auto;
}

.sell_fanwei .sell_size {
    width: 25%;
    height: 334px;
    float: left;
}

.sell_fanwei .sell_1 {}

.sell_fanwei .sell_1 ul {
    float: left;
    margin-top: 25%;
}

.sell_fanwei .sell_1 .sell_num {
    width: 50%;
    position: relative;
}

.sell_fanwei .sell_1 .sell_num h3 {
    width: 142px;
    height: 150px;
    font-size: 128px;
    font-weight: 800;
    color: #EAEAEA;
    line-height: 150px;
}

.sell_fanwei .sell_1 .sell_num span {
    background-color: #333333;
    width: 100%;
    height: 36px;
    font-size: 24px;
    text-align: center;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 36px;
    position: absolute;
    bottom: 38px;
}

.sell_fanwei .sell_1 .sell_nav {
    width: 50%;
}

.sell_fanwei .sell_1 .sell_nav li span {
    float: left;
    width: 8px;
    height: 8px;
    background: rgba(255, 64, 64, 0.8);
    opacity: 1;
    border-radius: 5px;
    margin: 5px 5px 0 5px;
}

.sell_fanwei .sell_1 .sell_nav li {
    height: 18px;
    font-size: 12px;
    font-weight: 400;
    color: rgb(12 10 10 / 80%);
    line-height: 14px;
    margin-top: 10px;
    margin-left: 20px;
}