body {
    background: white;
}
.section-guest {
    padding: 20px 0;
}
.section-hd {
    position: relative;
    text-align: center;
}
.section-hd::before {
    content: '';
    position: absolute;
    top:50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: #efefef;
}
.section-hd .hd-tt {
    display: inline-block;
    font-size: 20px;
    padding: 0 20px;
    background: white;
    position: relative;
}
.guest-list {
    min-width: 320px;
    max-width: 1280px;
    margin: 0 auto;
}
.guest-item {
    display: flex;
    margin-bottom: 10px;
    padding: 0 10px;
}
.guest-item .item-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}
.guest-item .item-text {
    flex: 1;
    font-size: 12px;
    margin-left: 10px;
}
.item-text .item-tt{
    font-size: 16px;
    color: #188eee;
}
.item-text .item-name {
    font-size: 14px;
    margin-bottom: 10px;
}

@media screen and (min-width: 768px) {
    .guest-list {
        display: flex;
        flex-wrap: wrap;
    }
    .guest-item {
        width: 50%;
        flex-direction: column;
        align-items: center;
    }
    .guest-item .item-text {
        text-align: center;
    }
}

@media screen and (min-width: 1280px) {
    .guest-item {
        width: 25%;
    }
}