html,
body {
  width: 100%;
  height: 100%;
}
body {
  overflow-x: hidden;
  overflow-y: scroll;
  background-color: #f8f8f8;
}

/* 头部 */
.header {
  width: 100%;
  height: 62px;
  background-color: #901d1b;
  position: relative;
}

.header-left {
  position: absolute;
  top: -12px;
  left: 0;
  width: 580px;
  height: 106px;
  line-height: 106px;
  background-color: #005555;
  text-align: center;
}
.header-left::after {
  content: "";
  display: block;
  width: 580px;
  height: 1px;
  position: absolute;
  top: 108px;
  background-color: #8e1f1c;
}
.header-left-title {
  color: #fff;
  font-size: 40px;
  letter-spacing: 5px;
}

.header-right {
  position: absolute;
  top: 7px;
  right: 0;
  width: 1007px;
  height: 68px;
  background-color: #669999;
  box-sizing: border-box;
  padding: 10px 40px;
}
.header-right-title {
  color: #fff;
  font-size: 36px;
  letter-spacing: 5px;
  position: relative;
}
.header-right-title::after {
  content: "";
  display: block;
  border: 10px solid transparent;
  border-bottom-color: #022e2e;
  transform: rotate(45deg);
  position: absolute;
  bottom: -21px;
  left: -35px;
}

@media screen and (max-width: 1300px) {
  .header-right {
    width: 718px;
  }
}

@media screen and (max-width: 1000px) {
  .header-right {
    width: 419px;
  }
}

@media screen and (max-width: 800px) {
  .header-left {
    width: 563px;
  }
  .header-left::after {
    width: 563px;
  }
  .header-right {
    width: 235px;
  }
  .header-right-title {
    letter-spacing: 0px;
  }
}
@media screen and (max-width: 600px) {
  .header-left {
    width: 380px;
  }
  .header-left::after {
    width: 380px;
  }
  .header-left-title {
    font-size: 32px;
    letter-spacing: 0px;
  }
  .header-right {
    width: 218px;
  }
  .header-right-title {
    font-size: 26px;
    text-align: center;
    line-height: 47px;
  }
}