* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f5f5f5;
}

a:hover {
  color: inherit;
}

.DaoHang-now {
  color: #fe6700;
}

.block .title {
  text-align: center;
}

.block .title h1 {
  font-size: 45px;
  font-weight: 700;
  color: #333;
  line-height: 40px;
  margin: 151px 0 25px;
}

.block .title h3 {
  font-size: 26px;
  font-weight: 400;
  color: #999;
  margin-bottom: 63px;
}

.tabs-box {
  display: flex;
  justify-content: center;
}

.tabs-box .tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 45px;
  margin: 20px auto 0;
  border-bottom: 1px solid #f0f0f0;
}

.tabs-box .tabs li {
  width: 100%;
  display: flex;
  justify-content: center;
  line-height: 100px;
  position: relative;
  font-size: 20px;
  font-weight: bold;
  color: #666;
  cursor: pointer;
  letter-spacing: 2px;
}

.tabs-box .tabs .selected {
  color: #fe6700;
}

.tabs-box .tabs .selected::before {
  content: '';
  height: 2px;
  background-color: #fe6700;
  position: absolute;
  bottom: 0;
  left: -8%;
  right: -8%;
}

@media (max-width: 750px) {
  .block .title {
    text-align: center;
  }
  .block .title h1 {
    font-size: 4.8vw;
    margin: 10vw 0 0;
  }
  .block .title h3 {
    font-size: 3.2vw;
    margin-bottom: 5vw;
  }
}