/* ==============================
   无人机巡检 DroneInspection
   ============================== */

/* ---------- 首屏（与文明城市页面同款蓝色横幅） ---------- */
.dnBanner{
    width: 100%;
    min-width: 1100px;
    height: 307px;
    margin-top: 96px;
    text-align: center;
    background: url("../img/drone-banner.jpg") no-repeat center center;
    background-size: cover;
}
.dnBannerTitle{
    display: inline-block;
    margin-top: 65px;
    font-size: 36px;
    font-weight: 400;
    line-height: 50px;
    color: #fff;
}
.dnBannerDesc{
    width: 900px;
    margin: 33px auto 0;
    font-size: 18px;
    line-height: 38px;
    color: #fff;
    font-weight: 400;
}

/* ---------- 通用区块 ---------- */
.dnSection{
    padding: 62px 0 100px;
}
.dnWrap{
    width: 1100px;
    margin: 0 auto;
}
.dnBlock + .dnBlock{
    margin-top: 74px;
    padding-top: 66px;
    border-top: 1px solid #EFF3F8;
}
.dnHead{
    text-align: center;
    padding-bottom: 0;
    border-bottom: 0;
    margin-bottom: 54px;
}
.dnHeadTitle{
    font-size: 30px;
    font-weight: 400;
    line-height: 42px;
    letter-spacing: 1px;
    color: #3A3A3A;
}
.dnHeadEn{
    font-size: 12px;
    letter-spacing: 2.4px;
    color: #9C9C9C;
    margin-top: 8px;
    text-transform: uppercase;
}
.dnHeadR{
    width: 752px;
    margin: 16px auto 0;
    font-size: 16px;
    line-height: 28px;
    color: #3A3A3A;
    font-weight: 300;
}
.dnHeadBtn{
    margin-top: 26px;
}

/* ---------- 产品行 ---------- */
.dnRow{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.dnRow + .dnRow{
    margin-top: 72px;
}
.dnRowRev{
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
    -ms-flex-direction: row-reverse;
    flex-direction: row-reverse;
}
.dnRowImg{
    position: relative;
    width: 560px;
    -webkit-flex: 0 0 560px;
    -ms-flex: 0 0 560px;
    flex: 0 0 560px;
    overflow: hidden;
    border-radius: 3px;
    box-shadow: 0 20px 46px rgba(15,45,85,.16);
}
.dnRowImg img{
    display: block;
    width: 100%;
    transition: transform .6s;
}
.dnRow:hover .dnRowImg > img{
    transform: scale(1.04);
}
.dnRowTag{
    position: absolute;
    left: 16px;
    top: 16px;
    z-index: 2;
    padding: 6px 12px;
    font-size: 12px;
    letter-spacing: 1px;
    color: #fff;
    background: rgba(6,26,50,.55);
}
.dnRowTxt{
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    padding-left: 56px;
}
.dnRowRev .dnRowTxt{
    padding-left: 0;
    padding-right: 56px;
}
.dnRowTitle{
    position: relative;
    padding-left: 16px;
    font-size: 18px;
    letter-spacing: 1px;
    color: #3A3A3A;
    line-height: 26px;
    font-weight: 400;
}
.dnRowTitle:before{
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 3px;
    background: #2086EA;
}
.dnRowDesc{
    font-size: 14px;
    line-height: 26px;
    color: #3A3A3A;
    margin-top: 18px;
    font-weight: 300;
}
.dnFeat{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-top: 24px;
}
.dnFeat li{
    width: 50%;
    box-sizing: border-box;
    padding-right: 24px;
    margin-bottom: 20px;
}
.dnFeat li b{
    position: relative;
    display: block;
    padding-left: 14px;
    font-size: 16px;
    font-weight: 400;
    line-height: 22px;
    color: #3A3A3A;
}
.dnFeat li b:before{
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #2086EA;
}
.dnFeat li span{
    display: block;
    padding-left: 14px;
    margin-top: 6px;
    font-size: 14px;
    line-height: 24px;
    color: #6E6E6E;
    font-weight: 300;
}

/* 平台界面截图框 */
.dnUi{
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 20px 46px rgba(15,45,85,.2);
    background: #0B1B2E;
}
.dnUiBar{
    height: 26px;
    padding: 0 12px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    background: #132437;
}
.dnUiBar i{
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #3B5470;
    margin-right: 6px;
}
.dnUi img{
    display: block;
    width: 100%;
}

/* ---------- 平台界面小图 ---------- */
.dnGal{
    padding-top: 44px;
    margin-top: 66px;
    border-top: 1px dashed #DDE6F0;
}
.dnGalHead{
    font-size: 12px;
    letter-spacing: 3px;
    color: #9AA8B8;
}
.dnGalList{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-top: 22px;
}
.dnGalItem{
    width: 33.33%;
    margin-right: 22px;
}
.dnGalItem:last-child{
    margin-right: 0;
}
.dnGalItem img{
    display: block;
    width: 100%;
    height: 186px;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 12px 26px rgba(15,45,85,.13);
    transition: all .35s;
}
.dnGalItem:hover img{
    transform: translateY(-4px);
    box-shadow: 0 18px 34px rgba(15,45,85,.2);
}
.dnGalItem p{
    font-size: 14px;
    line-height: 20px;
    color: #4A4A4A;
    margin-top: 14px;
}

/* ---------- 激光雷达 ---------- */
.dnLidar{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.dnLidarImg{
    width: 480px;
    -webkit-flex: 0 0 480px;
    -ms-flex: 0 0 480px;
    flex: 0 0 480px;
    padding: 34px 30px;
    box-sizing: border-box;
    background: linear-gradient(160deg,#FFFFFF 0%,#EEF4FB 100%);
    border: 1px solid #E9F0F8;
    border-radius: 3px;
    box-shadow: 0 20px 44px rgba(15,45,85,.12);
}
.dnLidarImg img{
    display: block;
    width: 100%;
}
.dnLidarTxt{
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    padding-left: 60px;
}
.dnLidarDesc{
    font-size: 14px;
    line-height: 28px;
    color: #3A3A3A;
    font-weight: 300;
}
.dnLidarFeat{
    margin-top: 8px;
}
.dnLidarFeat li{
    position: relative;
    padding-left: 18px;
    margin-top: 24px;
}
.dnLidarFeat li:before{
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 2px;
    height: 14px;
    background: #2086EA;
}
.dnLidarFeat b{
    display: block;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: .5px;
    color: #3A3A3A;
}
.dnLidarFeat span{
    display: block;
    font-size: 14px;
    line-height: 24px;
    color: #6E6E6E;
    margin-top: 8px;
    font-weight: 300;
}

/* ---------- 性能指标 ---------- */
.dnSpec{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-top: 66px;
    border-top: 1px solid #E7EEF6;
    border-left: 1px solid #E7EEF6;
}
.dnSpec li{
    width: 33.33%;
    box-sizing: border-box;
    padding: 30px 28px 28px;
    border-right: 1px solid #E7EEF6;
    border-bottom: 1px solid #E7EEF6;
}
.dnSpecLab{
    font-size: 12px;
    letter-spacing: 2px;
    color: #8C8C8C;
    font-weight: 400;
}
.dnSpecVal{
    font-size: 18px;
    line-height: 1.2;
    letter-spacing: .5px;
    color: #3A3A3A;
    margin-top: 16px;
    font-weight: 400;
}
.dnSpecVal em{
    font-size: 12px;
    font-style: normal;
    color: #2086EA;
    margin: 0 4px;
}
.dnSpecNote{
    font-size: 12px;
    line-height: 20px;
    color: #7A7A7A;
    margin-top: 10px;
    font-weight: 300;
}

/* ---------- 作业流程 ---------- */
.dnFlow{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-top: 66px;
}
.dnFlowItem{
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    padding-top: 24px;
    margin-right: 36px;
    border-top: 1px solid #E2EAF3;
}
.dnFlowItem:before{
    content: "";
    position: absolute;
    left: 0;
    top: -4px;
    width: 7px;
    height: 7px;
    background: #2086EA;
}
.dnFlowItem:last-child{
    margin-right: 0;
}
.dnFlowNum{
    font-size: 12px;
    letter-spacing: 2px;
    color: #2086EA;
}
.dnFlowTitle{
    font-size: 16px;
    letter-spacing: .5px;
    color: #3A3A3A;
    margin-top: 12px;
    font-weight: 400;
}
.dnFlowDesc{
    font-size: 12px;
    line-height: 22px;
    color: #7A7A7A;
    margin-top: 10px;
    font-weight: 300;
}

/* ---------- 应用场景 ---------- */
.dnScene{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
.dnSceneImg{
    position: relative;
    width: 520px;
    -webkit-flex: 0 0 520px;
    -ms-flex: 0 0 520px;
    flex: 0 0 520px;
    overflow: hidden;
    border-radius: 3px;
    box-shadow: 0 20px 46px rgba(15,45,85,.16);
}
.dnSceneImg img{
    display: block;
    width: 100%;
}
.dnSceneImg span{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 24px 24px 20px;
    font-size: 14px;
    letter-spacing: 1px;
    color: #fff;
    background: linear-gradient(0deg,rgba(4,17,36,.85) 0%,rgba(4,17,36,0) 100%);
}
.dnSceneList{
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    padding-left: 56px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-line-pack: center;
    align-content: center;
}
.dnSceneItem{
    width: 50%;
    box-sizing: border-box;
    padding: 20px 26px 20px 0;
    border-bottom: 1px solid #E9EFF6;
}
.dnSceneItem:nth-last-child(-n+2){
    border-bottom: 0;
}
.dnSceneTitle{
    font-size: 16px;
    letter-spacing: .5px;
    color: #3A3A3A;
    font-weight: 400;
}
.dnSceneDesc{
    font-size: 14px;
    line-height: 24px;
    color: #6E6E6E;
    margin-top: 8px;
    font-weight: 300;
}

/* ---------- 按钮 ---------- */
.dnBtn{
    display: inline-block;
    width: 178px;
    height: 47px;
    line-height: 47px;
    text-align: center;
    font-size: 16px;
    letter-spacing: 1px;
    color: #fff;
    background: linear-gradient(360deg,#1991EB 0%,#2DA1F8 100%);
    border-radius: 2px;
    box-shadow: 2px 2px 10px 0 rgba(0,0,0,.17);
    transition: all .28s;
}
.dnBtn:hover{
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(24,116,208,.45);
}

/* ---------- 底部咨询条 ---------- */
.dnCta{
    padding: 62px 0;
    background: linear-gradient(100deg,#0A2A4F 0%,#0F4A87 55%,#1668B8 100%);
}
.dnCtaIn{
    width: 1100px;
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
.dnCtaTitle{
    font-size: 30px;
    letter-spacing: 1px;
    color: #fff;
    line-height: 42px;
    font-weight: 400;
}
.dnCtaDesc{
    font-size: 14px;
    line-height: 26px;
    color: rgba(255,255,255,.62);
    margin-top: 14px;
    font-weight: 300;
}
.dnCtaBox{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.dnCtaTel{
    font-size: 18px;
    letter-spacing: 1px;
    color: #fff;
    margin-right: 34px;
}
.dnCtaTel small{
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255,255,255,.5);
}

/* ---------- 作业实拍视频 ---------- */
.dnVideo{
    margin-top: 66px;
}
.dnVideoHead{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
    -ms-flex-align: end;
    align-items: flex-end;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    margin-bottom: 20px;
}
.dnVideoTag{
    font-size: 12px;
    letter-spacing: 3px;
    color: #9AA8B8;
}
.dnVideoTitle{
    font-size: 18px;
    letter-spacing: .5px;
    color: #3A3A3A;
    font-weight: 400;
}
.dnVideoBox{
    position: relative;
    padding-top: 56.25%;
    background: #000;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 20px 46px rgba(15,45,85,.18);
    font-size: 0;
}
.dnVideoEl{
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #000;
    object-fit: contain;
}
.dnVideoMask{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background: rgba(4,17,36,.42);
    cursor: pointer;
    transition: background .3s;
}
.dnVideoMask:hover{
    background: rgba(4,17,36,.52);
}
.dnPlayBtn{
    position: relative;
    display: block;
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: rgba(255,255,255,.94);
    box-shadow: 0 10px 30px rgba(0,0,0,.32);
    transition: transform .3s;
}
.dnPlayBtn:after{
    content: "";
    position: absolute;
    left: 29px;
    top: 23px;
    width: 0;
    height: 0;
    border-left: 20px solid #2086EA;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
}
.dnVideoMask:hover .dnPlayBtn{
    transform: scale(1.06);
}
.dnVideoTip{
    margin-top: 18px;
    font-size: 14px;
    line-height: 1;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,.45);
}
.dnVideoKeys{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-top: 28px;
}
.dnVideoKeys li{
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    box-sizing: border-box;
    padding-left: 16px;
    padding-right: 40px;
}
.dnVideoKeys li:before{
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 3px;
    height: 14px;
    background: #2086EA;
}
.dnVideoKeys b{
    display: block;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: .5px;
    color: #3A3A3A;
}
.dnVideoKeys span{
    display: block;
    margin-top: 7px;
    font-size: 14px;
    line-height: 24px;
    color: #6E6E6E;
    font-weight: 300;
}