.enter {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 600px;
    margin: 0;
    padding: 0;
    background-image: url("../images/enter_bg.jpg");
    background-position: center center;
    background-size: cover;
}

.enter_main {}
.enter_text {
}
.enter_leave {
    width: 450px;
    height: 280px;
    margin: 0 auto;
}
.enter_leave img {
    vertical-align: bottom;
}

.attention_large {
    color: #000;
}
.group {
    display: flex;
    justify-content: space-between;
    width: 1200px;
    margin: 0 auto;
}
.group_text {
    border: 1px solid #fff;
    padding: 20px;
    margin: 0;
    max-width: 720px;
}
.group_text_l {
    display: block;
    font-size: 1.6em;
    border-bottom: 1px solid #fff;
    padding-bottom: 20px;
}