.standards {
  background-image: url(/img/standards.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  height: 48vw;
  padding-top: 10vw;
}

.standards .en-title {
  font-family: Microsoft YaHei;
  font-weight: bold;
  font-size: 8vw;
  color: #ffffff;
  text-align: center;
}

.standards .cn-title {
  margin-top: 3vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 4.2667vw;
  color: #ffffff;
  text-align: center;
}

.standards .sub-title {
  margin-top: 3vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 2.6667vw;
  color: #f4f6f5;
  line-height: 4.8vw;
  text-align: center;
}

.standards .sub-title p {
  margin: 0;
}

.standards .en-title:hover,
.standards .cn-title:hover {
  filter: drop-shadow(0 0 5px #fff);
}

.section-left {
  background: #000000;
  padding: 16vw 8vw;
}

.section-left .en-title {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
}

.section-left .cn-title {
  margin-top: 2.6667vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
}

.section-left .sub-title {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 2.8vw;
  color: #3271e2;
}

.section-left .desc {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 3.4667vw;
  color: #f4f6f5;
  line-height: 6.4vw;
}

.section-right {
  background: #000000;
  padding: 16vw 8vw;
}

.section-right .en-title {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
  text-align: right;
}

.section-right .cn-title {
  margin-top: 2.6667vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
  text-align: right;
}

.section-right .sub-title {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 2.8vw;
  color: #3271e2;
  text-align: right;
}

.section-right .desc {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 3.4667vw;
  color: #f4f6f5;
  line-height: 6.4vw;
  text-align: right;
}

.section-img {
  width: 100%;
  height: auto;
}

/* 
.brightness {
  background-image: url(/img/brightness.png);
}

.reducibility {
  background-image: url(/img/reducibility.png);
}

.protectiveness {
  background-image: url(/img/protectiveness.png);
}

.self-healing {
  background-image: url(/img/self-healing.png);
}

.conformability {
  background-image: url(/img/conformability.png);
}

.durability {
  background-image: url(/img/durability.png);
} */