.selector-for-some-widget {
  box-sizing: content-box;
}
body {
  padding-top: 3rem;
  color: #5a5a5a;
}

/* xRoll 效果实现部分 */
.container.marketing{
  overflow: hidden;
}
.content_roll{
  transition: all 700ms ease 300ms;
}
.content_roll:nth-of-type(odd) {
  transform: translate(-100%, 0);
}
.content_roll:nth-of-type(even) {
  transform: translate(100%, 0);
}
.content_roll.content_roll_active{
  transform: translate(0, 0);
}
/* h2 样式 */
.marketing .featurette-heading {
  font-weight: 400;
  margin-top: 8px;
  line-height: 1;
  letter-spacing: -.05rem;
}

.text-muted{
  font-size:20px;
  margin-left:10px;
  text-align: right;
}
.lead{
  text-indent: 2em;

  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.main01{
  background-image: url('../images/bannerImgs/banner09.jpg');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.main02{
  background-image: url('../images/bannerImgs/banner41.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.main03{
  background-image: url('../images/bannerImgs/banner20.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.main04{
  background-image: url('../images/bannerImgs/banner42.jpg');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.col-md-5>a{
  float: right;
  color: #08d;
  font-size: 16px;
  font-weight: bolder;
  text-decoration: none;
}
.col-md-5>a:hover{
  color: #5a5a5a;
}
/* 分界线样式 */

.featurette-divider {
  margin: 5rem 0; /* Space out the Bootstrap <hr> more */
}
.featurette-divider:nth-of-type(1){
  margin-top: 0;
}


/* 网页宽度变化样式 */

@media (min-width: 50em) {
  .featurette-heading {
    font-size: 50px;
  }
}

@media (min-width: 62em) {
  .featurette-heading {
    margin-top: 7rem;
  }
}

@media (min-width: 400px) {
  .col-md-5{
    flex: 0 0 41.666%;
    max-width: 41.666%;
  }
  .col-md-7{
    flex: 0 0 58.333%;
    max-width: 58.333%;
  }
}