html {
  height: 100%;
}
body {
  background-color: #F7F7F5;
  height: 100%;
}
.main {
  position: relative;
  min-height: 100%;
}
.main #footer {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
}
.main .middle {
  padding-bottom: 334px;
}
.main #header {
  position: absolute;
  left: 0;
  top: 0;
  background: #fff;
  -webkit-box-shadow: 0px 2px 8px rgba(37, 12, 72, 0.25);
  -moz-box-shadow: 0px 2px 8px rgba(37, 12, 72, 0.25);
  box-shadow: 0px 2px 8px rgba(37, 12, 72, 0.25);
}
.main #header a {
  color: #000 !important;
}
.main #header a.shopping-cart {
  background-image: url("../img/shoppingCart_other_icon.png") !important;
}
.main .middle .banner {
  position: relative;
  height: 300px;
  background: url("../img/question_banner_bg.png") no-repeat center center / cover;
}
.main .middle .banner .search-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 0;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.main .middle .banner .search-bar #search {
  width: 410px;
  height: 40px;
  line-height: 40px;
  padding-left: 20px;
  padding-right: 10px;
  font-size: 16px;
  border: 1px solid #654EA3;
  border-radius: 2px 0px 0px 2px;
  vertical-align: middle;
}
.main .middle .banner .search-bar .search-btn {
  display: inline-block;
  width: 90px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 16px;
  color: #fff;
  background-color: #654EA3;
  vertical-align: middle;
  border-radius: 0px 2px 2px 0px;
  cursor: pointer;
}
.main .middle .question {
  margin-top: 70px;
}
.main .middle .question .title {
  font-size: 28px;
  line-height: 1em;
  color: #000;
  text-align: center;
}
.main .middle .question .question-main {
  margin-top: 30px;
}
.main .middle .question .question-main .question-lists {
  width: 280px;
  background-color: #fff;
}
.main .middle .question .question-main .question-lists .first-classify .classify-name {
  height: 56px;
  line-height: 56px;
  font-size: 18px;
  color: #000;
  padding-left: 20px;
  padding-right: 50px;
  border-bottom: 1px solid #ccc;
  background: url("../img/question_down_icon.png") no-repeat right 30px center / 16px 8px;
  cursor: pointer;
}
.main .middle .question .question-main .question-lists .first-classify.selected .classify-name {
  background-image: url("../img/question_up_icon.png");
}
.main .middle .question .question-main .question-lists .first-classify ul {
  display: none;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item {
  width: 100%;
  font-size: 16px;
  line-height: 1.5em;
  border-top: 1px dashed #ccc;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item:first-of-type {
  border-top: 0;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item a {
  display: block;
  height: 100%;
  padding-left: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  font-size: 14px;
  color: #666;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item:hover {
  background-color: #654EA3;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item:hover a {
  color: #fff;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item.selected {
  background-color: #654EA3;
}
.main .middle .question .question-main .question-lists .first-classify ul li.question-item.selected a {
  color: #fff;
}
.main .middle .question .question-main .question-lists .first-classify.selected ul {
  display: block;
}
.main .middle .question .question-main .question-show {
  margin-left: 10px;
  background-color: #fff;
}
.main .middle .question .question-main .question-show .top {
  padding: 30px;
  font-size: 16px;
  color: #666;
  line-height: 2em;
}
.main .middle .question .question-main .question-show .top .sub-title {
  font-size: 24px;
  color: #000;
}
.main .middle .question .question-main .question-show .top .content {
  margin-top: 30px;
}
.main .middle .question .question-main .question-show .bottom {
  height: 56px;
  line-height: 56px;
  padding-right: 40px;
  border-top: 1px solid #ccc;
}
.main .middle .question .question-main .question-show .bottom .useless,
.main .middle .question .question-main .question-show .bottom .useful {
  font-size: 16px;
  color: #000;
  padding-left: 22px;
  background: url("../img/question_useless_icon.png") no-repeat left center / 13px 14px;
  cursor: pointer;
}
.main .middle .question .question-main .question-show .bottom .useful {
  margin-right: 40px;
  background-image: url("../img/question_useful_icon.png");
}
.main .middle .question .question-main .question-show .bottom .useful.clickable {
  color: #654EA3;
  background-image: url("../img/question_useful_clickable_icon.png");
}
.main .middle .question .question-main .question-show .bottom .useless.clickable {
  color: #654EA3;
  background-image: url("../img/question_useless_clickable_icon.png");
}