.banner {
  width: 100%;
  height: 600px;
  position: relative;
}

.banner > img {
  width: 100%;
  height: 100%;
}

.mian {
  width: 100%;
  height: auto;
  padding: 70px 0 120px;
  background: #1367ad;
}

.mian .mian_content {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
}

.mian .mian_content .mian_c_l {
  width: 320px;
  height: auto;
  position: relative;
}

.mian .mian_content .mian_c_l .mian_c_l_content {
  width: 100%;
}

.mian .mian_content .mian_c_l .mian_c_l_content.active {
  position: absolute;
  left: 0;
  bottom: 0;
}

.mian .mian_content .mian_c_l .mian_nav_t {
  width: 100%;
  height: 110px;
  background: #e60012;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.mian .mian_content .mian_c_l .mian_nav_t p {
  width: 154px;
  text-align: center;
  line-height: normal;
  color: #fff;
  font-size: 26px;
  font-weight: normal;
}

.mian .mian_content .mian_c_l .mian_nav_b {
  width: 100%;
  height: auto;
}

.mian .mian_content .mian_c_l .mian_nav_b ul {
  width: 100%;
  height: auto;
}

.mian .mian_content .mian_c_l .mian_nav_b ul li {
  margin-top: 2px;
  width: 100%;
  height: 60px;
  background: #091520;
}

.mian .mian_content .mian_c_l .mian_nav_b ul li.active a {
  color: #E60012;
}

.mian .mian_content .mian_c_l .mian_nav_b ul li a {
  display: inline-block;
  width: 100%;
  height: 100%;
  text-align: left;
  line-height: 60px;
  padding-left: 34px;
  color: #fff;
  font-size: 18px;
}

.mian .mian_content .mian_c_l .mian_nav_b ul li a:hover {
  color: #E60012;
}

.mian .mian_content .mian_c_l.active {
  position: fixed;
  left: 250px;
  top: 100px;
}

.mian .mian_content .mian_c_r {
  width: 1040px;
  height: auto;
  margin-left: 40px;
  padding: 40px;
  padding-bottom: 150px;
  background: #091520;
}

.mian .mian_content .mian_c_r.active {
  margin-left: 360px;
}

.mian .mian_content .mian_c_r .mian_t_title {
  color: #FFF;
  text-align: center;
  font-size: 40px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-transform: uppercase;
}

.mian .mian_content .mian_c_r .mian_r_content {
  width: 100%;
  height: auto;
  margin-top: 60px;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_t {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item {
  width: 310px;
  height: 240px;
  border: 1px solid #0067CC;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 17px;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_title {
  margin-top: 67px;
  color: #FFF;
  text-align: center;
  font-size: 22px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: uppercase;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_desc {
  margin-top: 23px;
  text-align: center;
  color: #FFF;
  text-align: center;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 22px;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b {
  width: 100%;
  height: auto;
  margin-top: 100px;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_title {
  color: #FFF;
  text-align: center;
  font-size: 40px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-transform: uppercase;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form {
  width: 100%;
  height: auto;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item {
  width: 100%;
  height: auto;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p {
  color: #FFF;
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p span {
  color: #F00;
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input {
  padding: 0 24px;
  margin-top: 10px;
  outline: none;
  width: 100%;
  height: 50px;
  background: #091520;
  border: 1px solid #0067CC;
  color: white;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item textarea {
  background: #091520;
  padding: 24px;
  margin-top: 10px;
  max-width: 100%;
  min-width: 100%;
  max-height: 165px;
  min-height: 165px;
  outline: none;
  border: 1px solid #0067CC;
  color: white;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form button {
  width: 109px;
  height: 40px;
  border-radius: 2px;
  background: #002951;
  margin-top: 20px;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
  outline: none;
  border: none;
  color: #FFF;
  font-size: 16px;
}

@media screen and (max-width: 1600px) {
  .banner {
    width: 100%;
    height: 31.875vw;
    position: relative;
  }
  .banner > img {
    width: 100%;
    height: 100%;
  }
  .mian {
    width: 100%;
    height: auto;
    padding: 3.71875vw 0 6.375vw;
    background: #1367ad;
  }
  .mian .mian_content {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
  }
  .mian .mian_content .mian_c_l {
    width: 17vw;
    height: auto;
    position: relative;
  }
  .mian .mian_content .mian_c_l .mian_c_l_content {
    width: 100%;
  }
  .mian .mian_content .mian_c_l .mian_c_l_content.active {
    position: absolute;
    left: 0;
    bottom: 0;
  }
  .mian .mian_content .mian_c_l .mian_nav_t {
    width: 100%;
    height: 5.84375vw;
    background: #e60012;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .mian .mian_content .mian_c_l .mian_nav_t p {
    width: 8.18125vw;
    text-align: center;
    line-height: normal;
    color: #fff;
    font-size: 1.38125vw;
    font-weight: normal;
  }
  .mian .mian_content .mian_c_l .mian_nav_b {
    width: 100%;
    height: auto;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul {
    width: 100%;
    height: auto;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li {
    margin-top: 0.10625vw;
    width: 100%;
    height: 3.1875vw;
    background: #091520;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li.active a {
    color: #E60012;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li a {
    display: inline-block;
    width: 100%;
    height: 100%;
    text-align: left;
    line-height: 3.1875vw;
    padding-left: 1.80625vw;
    color: #fff;
    font-size: 0.95625vw;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li a:hover {
    color: #E60012;
  }
  .mian .mian_content .mian_c_l.active {
    position: fixed;
    left: 13.28125vw;
    top: 5.3125vw;
  }
  .mian .mian_content .mian_c_r {
    width: 55.25vw;
    height: auto;
    margin-left: 2.125vw;
    padding: 2.125vw;
    padding-bottom: 7.96875vw;
    background: #091520;
  }
  .mian .mian_content .mian_c_r.active {
    margin-left: 19.125vw;
  }
  .mian .mian_content .mian_c_r .mian_t_title {
    color: #FFF;
    text-align: center;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content {
    width: 100%;
    height: auto;
    margin-top: 3.1875vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item {
    width: 16.46875vw;
    height: 12.75vw;
    border: 0.05312vw solid #0067CC;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0.90312vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_title {
    margin-top: 3.55937vw;
    color: #FFF;
    text-align: center;
    font-size: 1.16875vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_desc {
    margin-top: 1.22188vw;
    text-align: center;
    color: #FFF;
    text-align: center;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.16875vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b {
    width: 100%;
    height: auto;
    margin-top: 5.3125vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_title {
    color: #FFF;
    text-align: center;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form {
    width: 100%;
    height: auto;
    margin-top: 1.0625vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item {
    width: 100%;
    height: auto;
    margin-top: 1.0625vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p {
    color: #FFF;
    font-size: 0.95625vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p span {
    color: #F00;
    font-size: 0.95625vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input {
    padding: 0 1.275vw;
    margin-top: 0.53125vw;
    outline: none;
    width: 100%;
    height: 2.65625vw;
    background: #091520;
    border: 0.05312vw solid #0067CC;
    color: white;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item textarea {
    background: #091520;
    padding: 1.275vw;
    margin-top: 0.53125vw;
    max-width: 100%;
    min-width: 100%;
    max-height: 8.76562vw;
    min-height: 8.76562vw;
    outline: none;
    border: 0.05312vw solid #0067CC;
    color: white;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form button {
    width: 5.79062vw;
    height: 2.125vw;
    border-radius: 0.10625vw;
    background: #002951;
    margin-top: 1.0625vw;
    text-align: center;
    line-height: 2.125vw;
    cursor: pointer;
    outline: none;
    border: none;
    color: #FFF;
    font-size: 0.85vw;
  }
}

@media screen and (max-width: 1023px) {
  .banner {
    width: 100%;
    height: 80vw;
    position: relative;
  }
  .banner > img {
    width: 100%;
    height: 100%;
  }
  .mian {
    width: 100%;
    height: auto;
    padding: 9.33333vw 0 16vw;
    background: #1367ad;
  }
  .mian .mian_content {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
  }
  .mian .mian_content .mian_c_l {
    margin-top: 2.66667vw;
    width: 100%;
    height: auto;
    position: relative;
  }
  .mian .mian_content .mian_c_l .mian_c_l_content {
    width: 100%;
    padding-bottom: 4vw;
    overflow: hidden;
    overflow-x: scroll;
  }
  .mian .mian_content .mian_c_l .mian_c_l_content.active {
    position: absolute;
    left: 0;
    bottom: 0;
  }
  .mian .mian_content .mian_c_l .mian_nav_t {
    width: 100%;
    height: 14.66667vw;
    background: #e60012;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .mian .mian_content .mian_c_l .mian_nav_t p {
    width: 20.53333vw;
    text-align: center;
    line-height: normal;
    color: #fff;
    font-size: 3.46667vw;
    font-weight: normal;
  }
  .mian .mian_content .mian_c_l .mian_nav_b {
    width: 100%;
    height: auto;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li {
    margin-top: 0.26667vw;
    width: auto;
    height: 8vw;
    margin-right: 5.6vw;
    background: transparent;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li.active {
    position: relative;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li.active a {
    color: #E60012;
    position: relative;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li.active a::after {
    position: absolute;
    top: 110%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 0.4vw;
    background: #E60012;
    content: '';
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li a {
    display: inline-block;
    width: 100%;
    height: 100%;
    text-align: left;
    line-height: 8vw;
    padding-left: 0;
    color: #fff;
    font-size: 3.73333vw;
  }
  .mian .mian_content .mian_c_l .mian_nav_b ul li a:hover {
    color: #E60012;
  }
  .mian .mian_content .mian_c_l.active {
    position: fixed;
    left: 34.66667vw;
    top: 13.33333vw;
  }
  .mian .mian_content .mian_c_r {
    width: 100%;
    height: auto;
    margin-left: 0vw;
    padding: 5.33333vw;
    padding-bottom: 10.4vw;
    background: #091520;
  }
  .mian .mian_content .mian_c_r.active {
    margin-left: 48vw;
  }
  .mian .mian_content .mian_c_r .mian_t_title {
    color: #FFF;
    text-align: center;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content {
    width: 100%;
    height: auto;
    margin-top: 8vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item {
    margin-bottom: 2.66667vw;
    width: 100%;
    height: 32vw;
    border: 0.13333vw solid #0067CC;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 2.26667vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_title {
    margin-top: 0vw;
    color: #FFF;
    text-align: center;
    font-size: 4.26667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_t .mian_r_t_item .mian_r_t_i_desc {
    margin-top: 3.06667vw;
    text-align: center;
    color: #FFF;
    text-align: center;
    font-size: 3.73333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b {
    width: 100%;
    height: auto;
    margin-top: 10.66667vw;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_title {
    color: #FFF;
    text-align: center;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: uppercase;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form {
    width: 100%;
    height: auto;
    margin-top: 2.66667vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item {
    width: 100%;
    height: auto;
    margin-top: 2.66667vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p {
    color: #FFF;
    font-size: 3.73333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item p span {
    color: #F00;
    font-size: 3.73333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input {
    padding: 0 3.2vw;
    margin-top: 1.33333vw;
    outline: none;
    width: 100%;
    height: 6.66667vw;
    background: #091520;
    border: 0.13333vw solid #0067CC;
    color: white;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form .mian_r_b_item textarea {
    background: #091520;
    padding: 3.2vw;
    margin-top: 1.33333vw;
    max-width: 100%;
    min-width: 100%;
    max-height: 22vw;
    min-height: 22vw;
    outline: none;
    border: 0.13333vw solid #0067CC;
    color: white;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .mian .mian_content .mian_c_r .mian_r_content .mian_r_b .mian_r_b_form button {
    width: 100%;
    height: 8vw;
    border-radius: 0.26667vw;
    background: #002951;
    margin-top: 2.66667vw;
    text-align: center;
    line-height: 8vw;
    cursor: pointer;
    outline: none;
    border: none;
    color: #FFF;
    font-size: 3.73333vw;
  }
}