html {
	scroll-behavior: smooth;
}
p{
    margin: 0 0 11px;
}
.banner {
	background-image: url('../images/manuals/banner.png');
}

.center-main {
	align-items: flex-start;
}

.center-main .left-box {
	position: sticky;
	top: 20px;
	flex: 0 0 20.5%;
}

.center-main .left-box .top-list {
	height: 600px;
	overflow-y: scroll;
}

.center-main .left-box .top-list .question-list > ul li {
	font-size: 12px;
}

.center-main .left-box .top-list .question-list > ul li.subtitle {
    list-style: none;
}
.center-main .right-box {
	flex: 0 1 50%;
	margin: 37px 20px 0;
}

/* 广告 */
.new-advertisement-box {
	/* flex: 0 0 20%; */
	display: flex;
	position: sticky;
	top: 20px;
	flex-direction: column;
	align-items: center;
	width: 284px;
	background: #ffffff;
	border: 1px solid #eeeeee;
	border-radius: 7px;
	margin-top: 37px;
}

.new-advertisement-box .img-box {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	background: #f3f3f3;
	border-bottom: 1px solid #eeeeee;
	border-radius: 7px;
	padding: 30px 0 15px;
}

.new-advertisement-box .title {
	font-weight: 700;
	font-size: 20px;
	line-height: 23px;
	color: #000000;
	margin: 25px 0 0;
}

.new-advertisement-box .desc {
	font-weight: 400;
	font-size: 13px;
	line-height: 22px;
	text-align: center;
	color: #9e9e9e;
	margin: 10px 0 0;
}

.new-advertisement-box .download-btn {
	display: flex;
	align-items: center;
	border-radius: 8px;
	margin: 15px auto 20px;
	padding: 15px 30px;
	background: #ff7a01;
	transition: all 0.5s;
	cursor: pointer;
}

.new-advertisement-box .download-btn:hover {
	transform: scale(1.2);
}

.new-advertisement-box .download-btn span {
	font-size: 20px;
	line-height: 23px;
	font-weight: 700;
	color: #fff;
	margin-left: 10px;
}
.new-advertisement-box .download-btn .img-twinkle {
	animation: ImgFlicker 0.8s ease-in 0s infinite forwards;
}

  .link-box .down-box .down_two {
    color: #3097D1;
  }
  
  .advertisement-box .link-box .down-box .down_one {
    margin: 0 auto;
    text-align: left;
  }
  
  .pageBody {
    background: #ffffff;
  }
  
  .banner {
    display: flex;
  
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
    margin-top: 71px;
    background-size: cover;
    height: 210px;
    text-align: center;
    color: #fff;
  }
  
  .banner h2 {
    font-weight: 600;
    color: #4F4F4F;
  }
  
  .banner p {
    margin-top: 10px;
    font-size: 16px;
    color: #4F4F4F;
  }
  /**/
  .center-main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 1200px;
    margin: auto;
    padding-bottom: 50px;
  }
  
  .center-main .left-box {
    margin-top: 37px;
  }
  
  .center-main .left-box .top-list {
    border: solid #F2F2F2 1px;
  }
  
  .center-main .left-box .top-list .question-list {
    width: 84%;
    margin: auto;
  }
  
  .center-main .left-box .top-list .question-list > p {
    margin-top: 15px;
    font-size: 16px;
    color: #333333;
    font-weight: 600;
  }
  
  .center-main .left-box .top-list .question-list > ul {
    line-height: 18px;
    font-size: 14px;
    color: #888888;
    position: relative;
    list-style: decimal;
    padding-left: 10px;
    cursor: pointer;
  }
  
  .center-main .left-box .top-list .question-list > ul .active > a {
    color: #1DA495;
  }
  
  .center-main .left-box .top-list .question-list > ul .active::before {
    content: '';
    background-color: #1DA495;
    width: 2px;
    height: 30px;
    position: absolute;
    left: -33px;
  }
  
  .center-main .left-box .top-list .question-list > ul li {
    margin-bottom: 10px;
  }
  
  .center-main .left-box .top-list .question-list > ul li > a {
    color: #888888;
  }
  
  .center-main .left-box .top-list .question-list > ul li > a:hover {
    color: #1DA495;
  }
  
  .center-main .left-box .top-list .question-list > ul li:hover::before {
    content: '';
    background-color: #1DA495;
    width: 2px;
    height: 30px;
    position: absolute;
    left: -33px;
  }
  
  .center-main .left-box .advertisement-box {
    border: solid #F2F2F2 1px;
    text-align: center;
    margin-top: 20px;
  }
  
  .center-main .left-box .advertisement-box > img {
    width: 85%;
    margin-top: 15px;
  }
  
  .center-main .left-box .advertisement-box > p {
    margin-top: 15px;
    font-size: 14px;
    color: #888888;
    line-height: 1.8;
    width: 85%;
    margin: auto;
  }
  
  .center-main .left-box .advertisement-box .btn-default {
    color: #fff;
    background-color: #FFA800;
    border-color: #E9B100;
    margin-top: 20px;
    padding: 8px 40px;
    margin-bottom: 20px;
  }
  
  .center-main .left-box .advertisement-box .btn-default:hover {
    color: #FFA800;
    background-color: #fff;
  }
  
  .center-main .right-box {
    width: 75%;
    border: solid #F2F2F2 1px;
    margin-top: 37px;
    margin-left: 22px;
  }
  
  .center-main .right-box .content-box {
    padding: 0 20px;
    text-align: center;
  }
  
  .center-main .right-box .content-box h4 {
    color: #333333;
    font-weight: 600;
    text-align: left;
    margin-top: 25px;
    margin-bottom: 0px;
  }
  
  .center-main .right-box .content-box > hr {
    margin-top: 17px;
    margin-bottom: 0px;
    border-top: 2px solid #e7e7e7;
  }
  
  .center-main .right-box .content-box .question-content {
    text-align: left;
    padding-bottom: 20px;
  }
  
  .center-main .right-box .content-box .question-content > ol {
    padding-left: 13px;
    line-height: 3.5;
  }
  
  .center-main .right-box .content-box .question-content > ol > li {
    list-style: none;
    background: url(../images/manuals/help-icon.svg) no-repeat 3px 13px;
    padding-left: 35px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li > span {
    display: inline-block;
    width: 80.7%;
    line-height: 1.8;
  }
  
  .center-main .right-box .content-box .question-content > ol > li > a {
    position: relative;
    left: 40px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer.box-hide {
    display: none;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer {
    width: 100%;
    position: relative;
    left: -30px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer > hr {
    margin-top: 0px;
    margin-bottom: 0px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer video {
    width: 100%;
    margin: 30px 0;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer.active .answer-box {
    max-height: 40000px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer .answer-box {
    /*max-height: 0;*/
    overflow: hidden;
    -webkit-transition: max-height 0.1s;
    transition: max-height 0.1s;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer .answer-box > span {
    display: block;
    line-height: 1.8;
    color: #888888;
    margin-top: 15px;
    margin-bottom: 5px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer .answer-box > span ul {
    list-style: disc outside none;
    margin: 22px 0;
    padding-left: 0;
    margin-left: 18px;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer .answer-box > span ul li {
    color: #8f8f90;
    margin: 6px 0;
  }
  
  .center-main .right-box .content-box .question-content > ol > li .answer .answer-box > span .title {
    font-weight: bold;
    font-size: 15px;
    color: #444;
    margin: 0;
    padding: 0;
    line-height: 30px;
  }
  
  .center-main .right-box .pagination {
    display: none;
  }
  
  .center-main .right-box .pagination .previous > a {
    background-color: #000;
  }
  
  .center-main .right-box .pagination .previous > a > img {
    -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
  }
  
  .center-main .right-box .pagination .active > a {
    background-color: #fff;
    color: #1DA495;
  }
  
  .center-main .right-box .pagination .next > a {
    background-color: #000;
  }
  
  .center-main .right-box .pagination .next > a > img {
    -webkit-transform: rotate(270deg);
            transform: rotate(270deg);
  }
  
  .center-main .right-box .pagination > li > a {
    border: 0px;
    color: #888888;
    margin-left: 0px;
  }
  
  .link-box {
    margin: 20px 0 20px;
  }
  
  .link-box .down {
    display: inline-block;
    background: #086df5;
    color: #fff;
    margin-right: 10px;
    padding: 0px 27px;
    border-radius: 6px;
    font-size: 18px;
    position: relative;
  }
  
  .link-box .down i {
    margin-left: 10px;
  }
  
  .link-box .down:hover .hide-cont {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  
  .link-box .down .surface {
    padding: 10px 16px;
    display: inline-block;
    text-decoration: none;
    border-radius: 6px;
    width: 100%;
    font-size: 18px;
  }
  
  .link-box .down .hide-cont {
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform: scale(0);
    transform: scale(0);
    -webkit-transition: 200ms;
    transition: 200ms;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 100%;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    border-radius: 6px;
    background: #086df5;
  }
  
  .link-box .down .hide-cont a {
    color: #fff6;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    height: 18px;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 50%;
            flex: 0 0 50%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    height: 80%;
    border-radius: unset;
    text-decoration: none;
  }
  
  .link-box .down .hide-cont a em {
    margin-right: 10px;
  }
  
  .link-box .down .hide-cont a:nth-child(2) {
    border-left: 1px dashed rgba(247, 248, 248, 0.77);
  }
  
  .link-box .down .hide-cont a:hover {
    color: #fff;
  }
  
  .link-box .more {
    background: #ffa800;
    display: inline-block;
    color: #fff;
    padding: 10px 40px;
    border-radius: 6px;
    font-size: 18px;
    text-decoration: none;
  }
  
  .link-box .more:hover {
    background: #ee9d00;
  }
  
  @media screen and (max-width: 1080px) {
    .center-main {
      width: 80%;
    }
  }
  
  @media screen and (max-width: 768px) {
    .center-main {
      width: 90%;
    }
  
    .center-main .left-box {
      width: 33.5%;
    }
  
    .center-main .left-box .top-list .question-list > ul .active::before {
      left: -29px;
    }
  
    .center-main .left-box .top-list .question-list > ul li:hover::before {
      left: -29px;
    }
  
    .center-main .left-box .advertisement-box .btn-default {
      padding: 8px 20px;
    }
  }
  
  @media screen and (max-width: 600px) {
    .center-main .right-box .content-box .question-content > ol > li {
      margin-top: 10px;
    }
  
    .center-main {
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-flow: column;
              flex-flow: column;
    }
  
    .center-main .left-box {
      display:none;
      width: 100%;
      position: unset;
    }
  
    .center-main .left-box .top-list .question-list {
      width: 75%;
    }
  
    .center-main .left-box .top-list .question-list > ul .active::before {
      left: -19px;
    }
  
    .center-main .left-box .top-list .question-list > ul li:hover::before {
      left: -19px;
    }
  
    .center-main .right-box {
      width: 100%;
      margin: 24px 0 0 0;
    }
  }
  
  
  

@keyframes ImgFlicker {
	0% {
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

@media screen and (max-width: 770px) {
	.new-advertisement-box {
		width: 100%;
	}

}