.overview-content{margin:0 auto;max-width:1920px;font-size:16px;color: #FFF;background-color: #000;}
.overview-content .w1440{position:relative;margin:0 auto;width:88em;}
.overview-content .w1366{position:relative;margin:0 auto;width:85.375em;z-index: 1;}
.overview-content .w1200{position:relative;margin:0 auto;width:75em;}
.overview-content .regular{font-weight:400;}
.overview-content .medium{font-weight:500;}
.overview-content .bold{font-weight:700;}
.overview-content .m-show{display:none;}
.overview-content .nowrap{white-space:nowrap;}
.overview-content .text{text-align: center;padding: 4.5em 0 2em;}
.overview-content .text>h2{font-size:3.125em;line-height:1.2;font-weight: 500;}
.overview-content .text h3{font-size:1.875em;line-height:1.2;font-weight: 400;}
.overview-content .text>p{font-size:1.25em;line-height:1.5;padding-top:1em;}
.overview-content .bg{position:relative;background-position:center;background-size:120em auto;background-repeat:no-repeat;}
.overview-content .section{position:relative;background-position:center;background-size:100% auto;background-repeat:no-repeat;}
.overview-content .section .desc-text{position:absolute;bottom:0;left:0;width:100%;}
.overview-content .section .desc-text>.desc{position:absolute;}
@media screen and (max-width:1440px){
  .overview-content{font-size:1.11vw;}
}
@media screen and (max-width:736px){
  html{font-size:10.35px;}
.overview-content .m-show{display:block;}
.overview-content .m-hide{display:none;}
.overview-content .w1200,.overview-content .w1366,.overview-content .w1440{width:auto;}
.overview-content .text{padding: 0;width: auto;}
.overview-content .text>h2{padding:4rem 6% 2rem;font-size:2.25rem;}
.overview-content .text>h3 {font-size: 2rem;padding: 0 0 2rem}
.overview-content .text>p{padding:0 6% 0;font-size:1.5rem;line-height:1.5;padding-top: 0;}
.overview-content .bg,.overview-content .section{background-size:100% auto;}
}
.overview-content .a{background-image: url(a.jpg);height: 60em;}
.overview-content .a .text{padding: 48em 0 0;text-align: center;}
.overview-content .a .text h2{font-size: 3.45em;}
.overview-content .a .text p{font-size: 1.875em;padding-top: .75em;}
.overview-content .a .text .model{display: inline-block;padding: 0 1.5em;margin-left:1em;background: linear-gradient(115deg, #949494, #5f5f5f, #949494);-webkit-clip-path: polygon(15% 0%, 85% 0%,100% 50%,85% 100%,15% 100%,0% 50%);clip-path: polygon(15% 0%, 85% 0%,100% 50%,85% 100%,15% 100%,0% 50%);}
.overview-content .b{background-image: url(b.jpg);padding-bottom: 41em;background-position: bottom;}
.overview-content .b1{background:radial-gradient(ellipse at top, #230000, #200911 30%, transparent);padding-bottom:5em;}
.overview-content .b1 ul{width: 88%;max-width: 1440px;margin: 0 auto;padding: 5em 0 1em;display: flex;flex-wrap: wrap;justify-content: space-between;}
.overview-content .b1 li{width: 25%;padding-left: 4.5em;position: relative;box-sizing: border-box;display: flex;align-items: center;margin-bottom: 2em;}
.overview-content .b1 li .icon{display: block;margin: 0 auto;width: 4em;height: 4em;background-image: url(a-icons.png);background-repeat: no-repeat;background-size: auto 100%;}
.overview-content .b1 li .icon1{background-position: 0;}
.overview-content .b1 li .icon2{background-position: 14.5%;}
.overview-content .b1 li .icon3{background-position: 28.5%;}
.overview-content .b1 li .icon4{background-position: 43%;}
.overview-content .b1 li .icon5{background-position: 57.25%;}
.overview-content .b1 li .icon6{background-position: 71.5%;}
.overview-content .b1 li .icon7{background-position: 85.75%;}
.overview-content .b1 li .icon8{background-position: 100%;}
.overview-content .b1 li p{font-size: 1.5em;line-height: 1.3;width: 70%;padding-left: 1em;}
.overview-content .c{background-image: url(c.jpg);background-position: bottom;padding-bottom: 28.5%;}
.overview-content .c .text{padding: 4em 6.5em 3em;}
.overview-content .c .speed{font-size: 2.35em;color: #d7180c;text-shadow: 1px 0 2px #f22d09, -1px 1px 3px rgba(0,0,0,.66);background: linear-gradient(180deg, #b5090c, #ee4104),-webkit-gradient(linear,left top,right top,from(#b5090c),to(#ee4104),color-stop(.5,#ee4104)) no-repeat;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.overview-content .c .speed .num{font-size: 2em;display: block;line-height: 1;}
.overview-content .c .desc-text{padding-top: 27%;}
.overview-content .c .desc-text .desc{font-size: 1.5em;line-height: 1;top:12%;left:25%}
.overview-content .c .desc-text .desc .bolder{display: block;font-size: 1.5em;}
.overview-content .c .desc-text .desc2{top: 32%;color: #909090;}
.overview-content .c .desc-text .desc3{left:auto;right:21%;top:12.875%;font-size:2.875em;font-style: italic;}
.overview-content .c .desc-text .desc4{left:auto;right:37%;top:34.875%;font-size:2.125em;font-style: italic;}
.overview-content .c .desc-text .ul-desc{top: 58%;left:15%;right:15%;}
.overview-content .c .desc-text .ul-desc li{display: inline-block;width: 32%;box-sizing: border-box;padding: 0 1em;}
.overview-content .c .desc-text .ul-desc p:before{content: '';display: inline-block;width:1.5em;height:1.5em;background: url(arrow.png) center/contain no-repeat;vertical-align: text-top;}
.overview-content .d{background: linear-gradient(90deg, #333334, #0f0f0f, #333334);padding-bottom: 3em;}
.overview-content .d .box{padding-bottom: 5em;text-align: center;}
.overview-content .d .box h3{font-size: 1.875em;padding-bottom:1.5em;}
.overview-content .d .box li{display: inline-block;width: 48%;box-sizing: border-box;padding: 0 2%;font-size: 1.25em;}
.overview-content .d .box .img{padding-bottom: 45%;height:0;background-size: contain;background-position: center;background-repeat: no-repeat;}
.overview-content .d .box .img1{background-image: url(d1.png);}
.overview-content .d .box .img2{background-image: url(d2.png);}
.overview-content .d .box .img3{background-image: url(d3.png);}
.overview-content .d .box .img4{background-image: url(d4.png);}
.overview-content .e{background-image: url(e.jpg);background-position: bottom;padding-bottom: 40%;}
.overview-content .e .text{padding: 12em 10% 0;}
.overview-content .e .desc-text{padding-top: 30%;}
.overview-content .e .desc{width: 15%;text-align: center;top:37%;font-size: 1.25em;line-height: 1.2;}
.overview-content .e .desc1{left: 31%;top:32%;color: #a09b9b;}
.overview-content .e .desc2{color:#e21919;left: 51%;}
.overview-content .f{background: url(f.jpg) 90%/45% no-repeat;min-height: 45em;}
.overview-content .f .text{width: 50%;text-align: left;padding: 13em 0;}
.overview-content .f li{margin-top: 3em;padding-left: 2.5em;margin-left:-2.5em;position: relative;}
.overview-content .f li:before{content: '';display: block;width: 2em;height: 2em;background: url(arrow.png) center/contain no-repeat;position: absolute;left:0;top:0;}
.overview-content .f li h3{font-size: 1.5em;}
.overview-content .g{background-image: url(g.jpg);background-position: bottom;padding-bottom: 34%;background-color: #313233;}
.overview-content .g .text{padding: 4.5em 15% 2em;}
.overview-content .h{min-height: 45em;}
.overview-content .h .text{text-align: right;padding: 10em 0 10em 65%;}
.overview-content .h .desc-text{padding-top: 35%;}
.overview-content .h .img-bg{position:absolute;width: 50%;height:0;padding-bottom: 25%;left:10%;top:8%;background: url(h.jpg) center/contain no-repeat;}
.overview-content .h .desc{font-size: 1em;top:37%;position: absolute;width:13%;text-align:center}
.overview-content .h .desc1{left:44%}
.overview-content .h .desc2{left:59%}
.overview-content .h .desc3{left:75%}
.overview-content .h .desc4{left:44%;top:88%}
.overview-content .h .desc5{left:59%;top:88%}
.overview-content .h .desc6{left:75%;top:88%}
.overview-content .i{background-image:url(i.jpg);height: 48em;}
.overview-content .i .text{width: 40%;text-align: left;padding-top: 7.5em;}
.overview-content .j ul{text-align: justify;padding: 5em 0 6em;}
.overview-content .j ul::after{content:'';display: inline-block;width: 100%;}
.overview-content .j li{display: inline-block;width: 30%;vertical-align: top;text-align: center;box-sizing: border-box;padding: 0 1em 3em;}
.overview-content .j li i{display: block;width: 4.95em;height: 5em;margin: 0 auto;background-image: url(j-icons.png);background-repeat: no-repeat;background-size: auto 100%;}
.overview-content .j .li2 i{background-position: 20% 50%;}
.overview-content .j .li3 i{background-position: 40% 50%;}
.overview-content .j .li4 i{background-position: 60% 50%;}
.overview-content .j .li5 i{background-position: 79.75% 50%;}
.overview-content .j .li6 i{background-position: 100% 50%;}
.overview-content .j li h3{font-size: 1.875em;font-weight:bold;padding-top: 1em;}
@media screen and (max-width:736px){
  .overview-content .a{background-image: url(m/a.jpg);height: 0;padding-bottom: 133%;}
  .overview-content .a .text h2{font-size: 7vw;padding-bottom: 4vw;}
  .overview-content .a .text p{font-size: 4vw;padding-top: 0;}
  .overview-content .a .text .model{margin: 4vw 0 0;}
  .overview-content .a .text,.overview-content .c .text,.overview-content .e .text,.overview-content .h .text,.overview-content .g .text,.overview-content .f .text,.overview-content .i .text{padding: 0;width:auto;text-align: center;}
  .overview-content .b{background-image: url(m/b.jpg);}
  .overview-content .b1{background: none;}
  .overview-content .b1 li{width: 50%;display: block;padding: 0 0 2rem;font-size: 1rem;}
  .overview-content .b1 li p{padding: 1em 0;text-align: center;width: auto;}
  .overview-content .c{background-image: url(m/c.jpg);background-position: bottom;padding-bottom: 93%;}
  .overview-content .c .desc-text{top:auto;bottom: 0;padding:88% 0 0;}
  .overview-content .c .speed{position:absolute;left:0;right:0;font-size: 6vw;padding-top: 30%;text-align: center;}
  .overview-content .c .desc-text .desc .bolder{display: inline-block;}
  .overview-content .c .desc-text .desc{font-size: 3.125vw;top:59%;}
  .overview-content .c .desc-text .desc1{left:6%;}
  .overview-content .c .desc-text .desc2{top:74%;left:6%;}
  .overview-content .c .desc-text .desc3{top:67%;right:10%;}
  .overview-content .c .desc-text .desc4{top:81.5%;right:37%;font-size: 2.5vw;}
  .overview-content .c .desc-text .ul-desc{top:5%}
  .overview-content .c .desc-text .ul-desc li{width:auto;display:block;text-align: center;font-size: 3.75vw;}
  .overview-content .d .box h3{font-size: 1.65rem;line-height: 1.3;padding: 2rem 6% 1rem;}
  .overview-content .d .box li{display: block;width: auto;font-size: 1.25rem;padding: 1rem 6%;}
  .overview-content .e{background-image: url(m/e.jpg);padding-bottom: 75%;}
  .overview-content .e .desc-text{padding-top: 54%;}
  .overview-content .e .desc{font-size: 3vw;width: 30%;}
  .overview-content .e .desc1{left:18%;top:30%}
  .overview-content .e .desc2{left:56%}
  .overview-content .f{background: url(m/f.jpg) bottom/100% auto no-repeat;padding-bottom: 100%; }
  .overview-content .f ul{padding: 0 10%;font-size: 1rem;text-align: left;}
  .overview-content .g{background-image: url(m/g.jpg);padding-bottom: 65%;background-color: #222324;}
  .overview-content .h{padding-bottom: 60%;}
  .overview-content .h .text{text-align: center;}
  .overview-content .h .desc-text{padding-top: 60%;}
  .overview-content .h .img-bg{width: 88%;left:6%;right:6%;top:0;padding-bottom: 50%;}
  .overview-content .h .desc{font-size: 2.25vw;}
  .overview-content .i{background-image: url(m/i.jpg);background-color: #3b3c40;padding-bottom: 140%;background-position: bottom;}
  .overview-content .j ul{padding: 2rem 6%;}
  .overview-content .j li{width: 48%;font-size: 1.125rem;}
  .overview-content .j li h3{font-size: 1.35em;}
}


/* 2022/09/09更新 */
.overview-content .easy-setup-with-mercusys-app{font-size:16px;max-width:120em;margin:0 auto;background-color:#fff}
.overview-content .easy-setup-with-mercusys-app .w-container{width:95em;margin:0 auto}
.overview-content .easy-setup-with-mercusys-app .text{vertical-align:middle;display:table-cell;width:50%;text-align:left;padding:2% 5%}
.overview-content .easy-setup-with-mercusys-app .img{display:table-cell;width:55%;height:47.5em;background:url(./img/08-bg.jpg) no-repeat;background-size:55em}
.overview-content .easy-setup-with-mercusys-app h2{font-size:3.125em;font-weight:400;line-height:1.2;padding-bottom:0.5em}
.overview-content .easy-setup-with-mercusys-app p{font-size:1.25em;line-height:1.5;padding-right:4em}
.overview-content .easy-setup-with-mercusys-app .icons{text-align:left;display:inline-block;width:100%;margin-top:1em}
.overview-content .easy-setup-with-mercusys-app .icons div{display:inline-block}
.overview-content .easy-setup-with-mercusys-app .icons .logo{width:5.625em;height:5.625em;padding-right:1.5em}
.overview-content .easy-setup-with-mercusys-app .icons .store{padding-right:1.5em}
.overview-content .easy-setup-with-mercusys-app .icons .qrcode{width:5.75em;height:5.75em}
.overview-content .easy-setup-with-mercusys-app .icons .store a{display:inline-block;width:8.75em;height:2.5625em}
.overview-content .easy-setup-with-mercusys-app .icons img{height:100%}
.overview-content .easy-setup-with-mercusys-app .learn-more{color:#2e75b6;font-size:1.25em;font-weight:400;font-style:italic;margin-top:1em;display:inline-block;text-decoration:underline}
@media (max-width:1680px){.overview-content .easy-setup-with-mercusys-app{font-size:14px}
}@media (max-width:1440px){.overview-content .easy-setup-with-mercusys-app{font-size:12px}
}@media (max-width:736px){.overview-content .easy-setup-with-mercusys-app{font-size:10.35px;background:url(./m/08-bg.jpg) bottom no-repeat;background-size:100%;padding:0 0 80.3125vw}
.overview-content .easy-setup-with-mercusys-app .w-container{width:auto}
.overview-content .easy-setup-with-mercusys-app h2{font-size:2.5em;line-height:1.2;padding:1.5em 20px 0.5em;text-align:left}
.overview-content .easy-setup-with-mercusys-app p{font-size:1.75em;line-height:1.42857;padding:0 20px;text-align:left}
.overview-content .easy-setup-with-mercusys-app .text{padding:0;display:block;width:auto;text-align:left}
.overview-content .easy-setup-with-mercusys-app .learn-more{margin:1em 20px;font-size:1.5625em;font-weight:400}
.overview-content .easy-setup-with-mercusys-app .img{display:none}
.overview-content .easy-setup-with-mercusys-app .icons{display:block;width:auto;text-align:left;padding:2em 20px 0}
}@media (max-width:414px){.overview-content .easy-setup-with-mercusys-app{font-size:2.5vw}
}