html {
  box-sizing: border-box;
}



/* title */
.title {
  width: 100%;
  height: 43px;
  line-height: 43px;
  padding-left: 14px;
  background-color: #fff;
}

.title h1 {
  font-size: 12px;
  font-weight: 600;
  color: #000;
}

/* head-area */
.head-area {
}

.page-lead {
  position: relative;
}

.lead-item2 {
  position: absolute;
  top: 8.8%;
  left: 11.1%;
  width: 17.5%;
}

.lead-item4 {
  position: absolute;
  top: 36.3%;
  left: 11.1%;
  width: 17.5%;
}

/* section1 */
.section1 {
  position: relative;
}

.section1 h2 {
  position: absolute;
  right: 0;
  top: 0;
  left: 0;
}

.section1-inner {
  box-sizing: content-box;
  position: absolute;
  top: 19.84%;
  width: 87.5%;
  padding: 0 6.25%;
  text-align: center;
}

.section1-inner:after {
  content: "";
  display: block;
  clear: both;
}

.section1-inner .item {
  display: block;
  width: 50%;
  float: left;
}

.section1-inner .complement {
  position: absolute;
  top: 77.7%;
  right: 11.4%;
  width: 6.09375%;
}

.section1-inner .btn {
  display: inline-block;
  margin-top: 4.6875%;
}

/* section2 */
.section2 {
  position: relative;
}

.section2 h2 {
  position: absolute;
  right: 0;
  top: 0;
  left: 0;
}

.section2-inner {
  box-sizing: content-box;
  position: absolute;
  top: 30.75%;
  width: 87.5%;
  padding: 0 6.25%;
  text-align: center;
}

.section2-inner:after {
  content: "";
  display: block;
  clear: both;
}

.section2-inner .item {
  width: 50%;
  float: left;
}

/* c-related
------------------------------*/
.c-related{
  width: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  background-image: url('../img/section3_bg.png');
  -webkit-background-size: contain;
  background-size: contain;
  position: relative;
}
.c-related__items{
  padding: 0 10px 20px;
  text-align: center;
  font-size: 0;
}
.c-related .item{
  width: 31.25%;
  display: inline-block;
  padding: 0 5px;
  box-sizing: border-box;
}