.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-wrap-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.flex-between {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
}
.mt-35 {
  margin-top: 35px;
}
.mt-65 {
  margin-top: 65px;
}
.mr-60 {
  margin-right: 60px;
}
.mr-120 {
  margin-right: 120px;
}
.bg-light-blue {
  background: #f5faff;
}
.bg-light-gray {
  background: #efefef;
}


.question {
  height: 380px;
  background: #fff;
}
.question-box {
  max-width: 1280px;
  margin: 0 auto;
}
.q-title {
  padding-top: 70px;
  font-size: 32px;
  color: #333;
  text-align: center;
}
.q-box {
  position: relative;
  margin-top: 66px;
}
.qb-center {
  width: 140px;
  height: 140px;
  background: #bcddfe;
  border-radius: 50%;
}
.bg-blue {
  width: 120px;
  height: 120px;
  background: #208FFC;
  border-radius: 50%;
}
.bg-blue img {
  width: 60px;
  height: 55px;
}

.q-question {
  position: relative;
  display: inline-block;
  padding: 13px 23px;
  background: #dceeff;
  border-radius: 10px;
  font-size: 18px;
}
.q-question span {
  color: #FF0000;
}
.q-icon {
  position: absolute;
  width: 8px;
  height: 10px;
}
.q-icon1 {
  right: -5px;
  top: 35px;
}
.q-icon2 {
  right: -6px;
  top: 5px;
  transform: rotate(360deg);
}
.q-icon3 {
  left: -5px;
  top: 35px;
  transform: rotateY(180deg);
}
.q-icon4 {
  left: -6px;
  top: 5px;
  transform: rotateY(180deg);
}
.q-left, .q-right {
  position: relative;
  width: 550px;
}
.q-left {
  text-align: right;
}

.answer {
  height: 432px;
  background: #f5faff;
}
.answer-box {
  max-width: 1280px;
  margin: 0 auto;
}
.a-box {
  margin-top: 60px;
}
.a-box-item {
  display: inline-block;
  height: 180px;
  padding: 0 40px;
  color: #198AF3;
  border: 1px dotted #B6D4FF;
  border-radius: 10px;
  text-align: center;
}
.a-box-title {
  font-size: 36px;
  margin-top: 25px;
}
.a-box-ctn {
  height: 60px;
  font-size: 22px;
  font-weight: bold;
}
.ad-item {
  height: 500px;
}
.ad-poster {
  max-width: 500px;
  max-height: 395px;
}
.ad-title {
  font-size: 28px;
  line-height: 2;
}
.ad-ctn {
  margin-top: 20px;
  font-size: 20px;
  line-height: 2;
}

.provider-box {
  max-width: 1280px;
  margin: 0 auto;
}
.pro-titles {
  /*padding-top: 83px;*/
  color: #333;
  text-align: center;
}
.pro-s-title {
  font-size: 20px;
}
.pro-b-title {
  font-size: 32px;
}
.pro-ctn {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1050px;
  margin: 65px auto 0;
  padding-bottom: 30px;
}
.pro-item {
  display: inline-block;
  width: 500px;
}
.pro-item-left {
  width: 72px;
  height: 72px;
  background: #198AF3;
  border-radius: 50%;
}
.pro-item-left img{
  max-width: 36px;
  height: 36px;
}
.pro-item-right {
  width: 400px;
}
.pro-item-title {
  font-weight: bold;
  font-size: 18px;
}
.pro-cus-title {
  margin: 70px 0 48px;
  font-size: 32px;
  text-align: center;
}
.pro-cus-box {
  width: 900px;
  margin: 0 auto;
  padding-bottom: 69px;
}
.pro-cus-box:after {
  content: ' ';
  display: block;
  clear: both;
}
.pro-cus-item {
  display: inline-block;
  float: left;
  box-sizing: border-box;
  width: 278px;
  height: 416px;
  padding: 0 16px;
  border: 1px solid #d8d8d8;
}
.pro-cus-item:nth-child(n+2) {
  margin-left: 33px;
}
.pro-cus-item:nth-child(3n+1) {
  margin-left: 0;
}
.pro-cus-item:nth-child(n + 4) {
  margin-top: 40px;
}
.pro-cus-logo {
  display: block;
  width: 100px;
  height: 100px;
  margin: 20px auto;
}
.pro-cus-item-title {
  font-size: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}
.pro-cus-ctn {
  height: 100px;
  margin: 17px 0 19px;
  line-height: 20px;
  font-size: 14px;
  color: #A1A1A1;
  overflow: hidden;
}
.pro-cus-code {
  display: block;
  width: 80px;
  height: 80px;
  margin: 0 auto;
}
.pro-fans-logo {
  display: block;
  width: 150px;
  height: 40px;
  margin: 50px auto;
}
.pro-fans-ctn {
  height: 100px;
  margin: 17px 0 19px;
  font-size: 14px;
  text-align: center;
  color: #A1A1A1;
}
.pro-fans-ctn a {
  color: #198AF3;
}
.pro-fans-ctn a:hover {
  color: #66afe9;
}
.pro-fans-ctn p {
  margin-top: 20px;
}
.free-experience {
  width: 100%;
  height: 340px;
  background-image: url(https://cdn.myfans.cc/free-experience.svg);
  background-repeat: no-repeat;
  background-size: 100%;
}
.free-experience-title {
  font-size: 28px;
  color: #fff;
  text-align: center;
  padding-top: 97px;
}

.free-experience-box {
  text-align: center;
  margin-top: 30px;
}
.free-trial {
  width: 180px;
  height: 50px;
  line-height: 50px;
  font-size: 16px;
  display: inline-block;
  text-align: center;
  color: #fff !important;
  background-color: #198AF3;
  border-radius: 25px;
}

.banner {
  height: 540px;
  padding-top: 76px;
  background: linear-gradient(#1973F3, #2297FF);
}
.banner-box {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
}
.b-des {
  margin-right: 30px;
  color: #fff;
}
.b-des-title {
  font-size: 60px;
}
.b-des-ctn {
  margin: 13px 0 41px;
  font-size: 22px;
}
.b-des-ctn span {
  font-weight: bold;
}
.b-des-btn {
  width: 180px;
  height: 50px;
  line-height: 50px;
  border-radius: 25px;
  text-align: center;
  color: #198AF3;
  background: #fff;
  cursor: pointer;
}
.b-des-btn:hover {
  opacity: 0.8;
}