.top_title {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    border: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.top_title1 {
    font-size: 40px;
    color: #ffffff;
}

.top_title2 {
    font-size: 18px;
    margin-top: 30px;
    color: #F5F5F5;
}

.top_title1_yd {
    font-size: 20px;
    color: #ffffff;
}

.top_title2_yd {
    font-size: 16px;
    color: #ffffff;
    margin-top: 10px;
}

.model_one {
    margin: 0 auto;
    padding: 100px 0 50px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.model_one_yd {
    margin: 0 auto;
    padding: 20px;
}

.model_one_yd img {
    width: 100%;
}

.model_one_text {
    margin-right: 60px;
}

.model_one_text1 {
    font-size: 40px;
    counter-reset: #000000;
    text-align: center;
}

.model_one_text1_yd {
    font-size: 20px;
    counter-reset: #000000;
    font-weight: 600;
    text-align: center;
}

.model_one_text2 {
    font-size: 16px;
    color: #333333;
    line-height: 32px;
    margin-top: 40px;
}

.model_one_text1_yd {
    font-size: 20px;
    counter-reset: #000000;
    text-align: center;
    font-weight: 600;
}

.model_one_text2_yd {
    font-size: 16px;
    color: #333333;
    line-height: 24px;
    margin: 20px 0;
}

.model_two {
    background-image: url('../imgs/aboutus/model_two_bg.png');
    background-size: 100%;
}

.model_two_container {
    padding: 50px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
}

.model_two_btn {
    width: 175px;
    height: 51px;
    font-size: 16px;
    line-height: 51px;
    color: #407CFF;
    cursor: pointer;
    border: 1px #407CFF solid;
    border-radius: 5px;
    text-align: center;
}

.model_two_ul {
    padding: 80px 20px 30px 20px;
    width: 100%;
    box-sizing: border-box;
}

.model_two_li {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.model_two_line {
    width: 3px;
    background-color: #D5E4FD;
}

.model_two_circle {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #407CFF;
}

.model_two_item {
    display: flex;
    width: 100%;
}

.model_two_item_left {
    flex: 1;
    padding-bottom: 20px;
    padding-right: 20px;
    text-align: end;
}

.model_two_item_right {
    flex: 1;
    padding-bottom: 20px;
    padding-left: 20px;
    box-sizing: border-box;
    text-align: start;
}

.model_two_item_text1 {
    font-size: 16px;
    color: #333333;
    font-weight: 600;
    box-sizing: border-box;
}

.model_two_item_text2 {
    font-size: 16px;
    color: #51565D;
    margin-top: 10px;
}

.model_three {
    background-color: #F7F9FF;
}

.model_three_container {
    margin: 0 auto;
    padding: 50px 0 80px 0;
}

.model_three_ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: space-between;
    margin-top: 80px;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    overflow-x: auto;
    overflow: -moz-scrollbars-none;
    -ms-overflow-style: none;
}

.model_three_ul::-webkit-scrollbar {
    width: 0 !important
}

.model_three_li {
    width: 240px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.model_three_li_yd {
    width: 240px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    margin-right: 30px;
}

.model_three_li_yd:last-child {
    margin-right: 0;
}

.model_three_text1 {
    font-size: 24px;
    color: #000000;
    margin: 30px 0 20px 0;
}

.model_three_undelline {
    width: 70px;
    height: 2px;
    background-color: #407CFF;
    margin-bottom: 20px;
}

.model_three_text2 {
    font-size: 14px;
    line-height: 26px;
    color: #51565D;
}

.hide {
    display: none;
}