html {
  box-sizing: border-box;
}

/* title */
.title {
  width: 100%;
  height: 43px;
  line-height: 43px;
  margin-bottom: -1px;
  padding-left: 14px;
  background-color: #fff;
}

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

.page-title {
  margin-bottom: -1px;
}

/* page-lead */
.page-lead {
  position: relative;
}

.lead-item2 {
  position: absolute;
  top: 14.91%;
  left: 64.8%;
  width: 24.375%;
}

.lead-item3 {
}

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

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

.section1-inner {
  box-sizing: content-box;
  position: absolute;
  top: 18.3%;
  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: 7.2%;
}

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

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

.section2-inner {
  box-sizing: content-box;
  position: absolute;
  top: 23.99%;
  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;
}

/* section3 */
.section3 {
  position: relative;
  background-image: url('../img/section3_bg.png');
  background-repeat: repeat;
  background-position: center;
  -webkit-background-size: contain;
  background-size: contain;
  /* (h378 / w640) * 100%  */
  padding-top: 59.0625%;
}

.section3 h2 {
  position: absolute;
  right: 0;
  top: 0;
  left: 0;
}

.section3-inner {
  /* 3DS is invalid border-box */
  box-sizing: content-box;
  position: absolute;
  top: 24.3%;
  /* 100% - (4.6875% * 2) */
  width: 90.625%;
  padding: 0 4.6875%;
}

/**
 * horizontal and centering if add element
 */
.section3-inner .items {
  margin-left: -3.125%;
  text-align: center;
  font-size: 0;
}

.section3-inner .item {
  width: 30.2083%;
  display: inline-block;
  padding-left: 3.125%;
  font-size: 16px;
}