@charset "UTF-8";
.principle-title {
    background-image: url('../images/principle-title.png');
}
.project-box {
    margin-bottom: 30px;
}
.project-box-video {
    width: 700px;
    height: auto;
    float: left;
}
.project-configuration {
    width: 420px;
    height: auto;
    float: right;
}
.project-principle .box-left-video {
    width: 700px;
    height: 400px;
    margin: 15px 0 0;
}
.project-principle .box-right {
    width: 420px;
    height: auto;
    float: left;
}
.prinin-title {
    width: 23px;
    height: 24px;
    background: url('../images/prin-in.png') center left / contain no-repeat;
}
.box-content {
    margin: 20px 0 20px;
}
.box-content .content-txt {
    text-indent: 2em;
    text-align: justify;
    line-height: 1.5;
    color: #666;
}
.spread-btn-box {
    text-align: right;
    margin-top: 5px;
}
.spread-btn-box>span {
    cursor: pointer;
    color: #5c8ae6;
}
.spread-btn-box>span:hover {
    color: #3c69e8;
}
.vr-title {
    width: 30px;
    height: 22px;
    background: url('../images/VR.png') center left / contain no-repeat;
}

ul.box-content>li+li {
    margin-top: 30px;
}

ul.box-content>li>h3 {
    padding-bottom: 5px;
    margin-bottom: 15px;
    border-bottom: 1px solid #e6e6e6;
}
ul.box-content>li:nth-child(1)>ul {
    padding-right: 10%;
    line-height: 1.5;
    color: #666;
}
.specification-load {
    background-image: url('../images/index/icon-load2.png');
}
ul.box-content>li:nth-child(3)>div {
    color: #666;
    line-height: 1.5;
}
ul.box-content>li:nth-child(3)>a {
    color: #4378E2;
    line-height: 1.5;
}