.service {
    /* padding: 0 260px; */
    background: #F6F8FA;
}

.service_Box {
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
    padding-bottom: 161px;
}

.service_title {
    width: auto;
    font-size: 36px;
    color: #222222;
    line-height: 50px;
    text-align: center;
    font-weight: bold;
    padding-top: 99px;
    padding-bottom: 50px;
}

.service_cent {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.service_cent li {
    width: 49%;
    padding: 30px 50px;
    margin-bottom: 20px;
    background: #FFFFFF;
    border-radius: 4px;
    box-sizing: border-box;
}

.service_cent li .service_cent_text {
    cursor: pointer;
    font-size: 18px;
    color: #222222;
    line-height: 25px;
    text-align: left;
    width: 100%;
    white-space: nowrap;
    /* 防止文本换行 */
    overflow: hidden;
    /* 隐藏超出容器的部分 */
    text-overflow: ellipsis;
    /* 显示省略号来表示被截断的文本 */
}
.service_cent li .service_cent_text:hover{
    color:#AB1F24;
}

.service_cent li .service_cent_download img {
    width: 14px;
    height: 14px;
}

.service_cent li .service_cent_download {
    width: 52px;
    background: #AB1F24;
    border-radius: 4px;
    padding: 11px 19px;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    margin-top: 30px;
    cursor: pointer;
}

/* 安装指南列表 */
.video_cent {
    margin-top: 49px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.video_cent li {
    width: 432px;
    position: relative;
    /* display: flex; */
    margin-bottom: 63px;
    cursor: pointer;
    grid-column: span 1;
    box-sizing: border-box;
}

.video_cent li:nth-child(2),
.video_cent li:nth-child(5),
.video_cent li:nth-child(8) {
    margin: 0 30px;
}
.video_cent li img{
    width: 432px;
    height: 244px;
}

.video_cent li img:nth-child(2) {
    width: 60px;
    height: 60px;
    position: absolute;
    top: 130px;
    left: 50%;
    transform: translate(-50%, -50%);
}

.video_cent li p {
    text-align: center;
    font-size: 18px;
    color: #222222;
    line-height: 25px;
    margin-top: 20px;
}

/* 常见问题 */
.questions_box {
    width: 100%;
}
.questions_box li {
    border-bottom: 1px dashed #DCDCDC;
}
.questions_box li .textIntr{
    font-size: 16px;
    color: #7F7F7F;
    line-height: 30px;
    /* white-space: nowrap; */
    /* 防止文本换行 */
    overflow: hidden;
    /* 隐藏超出容器的部分 */
    text-overflow: ellipsis;
    padding: 30px 75px;
    /* 显示省略号来表示被截断的文本 */
}
.questions_box .quality2Box {
    padding: 30px 0;
    display: flex;
    align-items: center;
    width: 100%;
}
.questions_box .quality2New{
    padding: 15px 0;
    background: #AB1F24;
    border-radius: 4px;
}
.quality2New .cent_title p:nth-child(1){
    color: #ffffff;
}
.questions_box li .questions_index {
    position: relative;
    min-width: 55px;
    width: 55px;
    margin-right: 20px;
    height: 55px;
}

.questions_box li .questions_index img {
    width: 55px;
    height: 55px;
    margin-left: 25px;
}

.questions_box li .questions_index p {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
    font-size: 18px;
    color: #AB1F24;
    line-height: 21px;
    margin-left: 25px;
}

.questions_cent {
    width: 90%;
    display: flex;
    align-items: center;
    position: relative;
    left: 20px;
    min-width: 50%;
}

.questions_cent div:nth-child(1) {
    width: 90%;
    margin-right: 30px;
}

.questions_cent img {
    width: 20px;
    height: 20px;
    position: absolute;
    right: 20px;
    cursor: pointer;
}

.cent_title p:nth-child(1) {
    font-size: 18px;
    color: #222222;
    line-height: 25px;
    white-space: nowrap;
    /* 防止文本换行 */
    overflow: hidden;
    /* 隐藏超出容器的部分 */
    text-overflow: ellipsis;
    /* 显示省略号来表示被截断的文本 */
}

.cent_title p:nth-child(2) {
    font-size: 16px;
    color: #7F7F7F;
    line-height: 30px;
    margin-top: 10px;
    /* white-space: nowrap; */
    /* 防止文本换行 */
    overflow: hidden;
    /* 隐藏超出容器的部分 */
    text-overflow: ellipsis;
    /* 显示省略号来表示被截断的文本 */
}

.shouqi {
    transform: rotate(180deg);
}

.shouqiAc {
    transform: rotate(0deg);
}

.showCent {
    display: none;
}

/* 日常运营 */
.daily {
    background: #F6F8FA;
}

.daily_box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.daily_box .boxBack {
    width: 49%;
    box-sizing: border-box;
    background: #FFFFFF;
    padding: 30px;
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
}

.daily_box .boxBack .boxBack_left {
    width: 158px;
    height: 190px;
    background: #F6F8FA;
    padding: 20px 41px 30px 41px;
    position: relative;
}

.daily_box .boxBack .boxBack_left img {
    width: 158px;
    height: 190px;
}

.daily_box .boxBack .boxBack_left .swiper-slide {
    width: 158px;
}

.daily_box .boxBack .boxBack_left .swiper-pagination {
    position: absolute;
    bottom: 10px;
}

.daily_box .boxBack .boxBack_left .swiper-pagination-bullet-active {
    background: #AB1F24 !important;
}

.daily_box .boxBack .boxBack_left .swiper-pagination-bullet {
    border: 1px solid #AB1F24;
    background: transparent;
    opacity: 1;
}

.daily_box .boxBack .boxBack_right {
    margin-left: 30px;
}

.daily_box .boxBack .boxBack_right p:nth-child(1) {
    font-size: 16px;
    color: #7F7F7F;
    line-height: 30px;
    width: 100%;
    margin-top: 4px;
    display: -webkit-box;
    /* 必须设置，用于多行溢出 */
    -webkit-box-orient: vertical;
    /* 设置盒子排列方向为垂直 */
    /* -webkit-line-clamp: 2; */
    /* 限制显示的行数 */
    overflow: hidden;
    /* 隐藏超出的内容 */
}

.daily_box .boxBack .boxBack_right p:nth-child(2) {
    font-size: 16px;
    color: #7F7F7F;
    line-height: 30px;
    width: 100%;
    margin-top: 4px;
    display: -webkit-box;
    /* 必须设置，用于多行溢出 */
    -webkit-box-orient: vertical;
    /* 设置盒子排列方向为垂直 */
    /* -webkit-line-clamp: 2; */
    /* 限制显示的行数 */
    overflow: hidden;
    /* 隐藏超出的内容 */
}

@media screen and (max-width:1400px) {

    .video_cent li:nth-child(2),
    .video_cent li:nth-child(5),
    .video_cent li:nth-child(8) {
        margin: 0;
    }

    .video_cent li:nth-of-type(even) {
        margin-left: 30px;
    }
    .video_cent {
        width: 900px;
        grid-template-columns: repeat(2, 1fr);
        margin: auto;
        margin-top: 30px;
    }
}

@media screen and (max-width:980px) {
    .video_cent {
        width: 62%;
        grid-template-columns: repeat(1, 1fr);
        margin: auto;
    }
    .video_cent li:nth-of-type(even) {
        margin: 0;
    }
    .service_title {
        padding-top: 20px;
        padding-bottom: 10px;
        font-size: 26px;
    }

    .service_cent li {
        width: 100%;
        padding: 20px 30px;
    }

    .service_cent li .service_cent_download {
        margin-top: 10px;
        padding: 5px 9px;
    }

    .video_cent {
        display: block;
        margin-top: 30px
    }

    .option_left {
        font-size: 14px;
    }

    .option_cent {
        font-size: 14px !important;
        line-height: 18px;
    }

    .option_cent li {
        padding: 5px 19px !important;
    }

    .option_right {
        font-size: 14px !important;
    }

    .video_cent li img:nth-child(2) {
        width: 40px;
        height: 40px;
        top: 40%;
    }

    .video_cent li {
        width: 100%;
        margin-bottom:0;
    }

    .video_cent li p {
        margin-bottom: 15px;
        margin-top: 10px;
        font-size: 14px;
    }

    .daily_box .boxBack {
        width: 100%;
        padding: 20px;
    }

    .questions_box li {
        /* padding: 15px 0; */
    }

    .questions_box li .questions_index {
        min-width: 45px;
        width: 45px;
        height: 45px;
        margin-right: 0;
    }

    .questions_box li .questions_index img {
        width: 45px;
        height: 45px;
        margin-left: 0;
    }
    .questions_box li .questions_index p{
        margin-left: 0;
    }
    .questions_box li .textIntr{
        padding: 20px 22px;
    }
    .questions_box .quality2Box{
        padding: 15px 0;
    }
    .questions_cent {
        left: 7px;
    }
    .cent_title p:nth-child(1) {
        font-size: 15px;
    }

    .cent_title p:nth-child(2) {
        font-size: 13px;
        margin-top: 0;
    }

    .questions_cent img {
        width: 15px;
        height: 15px;
    }

    .daily_box .boxBack .boxBack_left {
        width: 100px;
        height: 132px;
        padding: 10px 31px 20px 31px;
    }

    .daily_box .boxBack .boxBack_left img {
        width: 100px;
        height: 132px;
        cursor: pointer;
    }

    .daily_box .boxBack .boxBack_left .swiper-pagination {
        bottom: 0;
    }

    .daily_box .boxBack .boxBack_right {
        margin-left: 15px;
    }

    .daily_box .boxBack .boxBack_right p:nth-child(1) {
        font-size: 18px;
    }

    .daily_box .boxBack .boxBack_right p:nth-child(2) {
        font-size: 14px;
        line-height: 20px;
        margin-top: 10px;
    }
    .modal-content{
        width: 80% !important;
    }
}

.guide {
    background: #FFFFFF;
}

.option {
    display: flex;
    flex-direction: row;
    position: relative;
    border-bottom: 1px dashed #DCDCDC;
}

.option_left {
    font-size: 16px;
    color: #7F7F7F;
    line-height: 22px;
    text-align: left;
    padding: 7px 0;
    position: absolute;
}

.option_cent {
    font-size: 16px;
    color: #222222;
    line-height: 22px;
    display: flex;
    flex-wrap: wrap;
    margin-right: 90px;
    margin-left: 50px;
}

.option_cent li {
    padding: 7px 29px;
    margin-bottom: 19px;
    cursor: pointer;
}

.optionActive {
    color: #FFFFFF;
    background: #AB1F24;
    border-radius: 18px;
}

.option_right {
    padding: 7px 0;
    font-size: 16px;
    color: #7F7F7F;
    line-height: 22px;
    position: absolute;
    right: 10px;
    cursor: pointer;
}

.option_right img {
    width: 10px;
    height: 10px;
    margin-left: 10px;
    transform: rotate(180deg);
}
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
  }
   
  .modal-content {
    background-color: #fefefe;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
   
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
   
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  }
  @keyframes growAndShrink {
    0% { height: 110px; }
    50% { height: 130px; }
    100% { height: auto; }
  }