.about-banner {
  position: relative;
}
.about-banner i {
  display: block;
  margin-left: -20%;
}
.about-banner i img {
  width: 140%;
}
@media (min-width: 1200px) {
  header {
    background: #fff;
  }
  .about-banner {
    position: relative;
  }
  .about-banner i {
    display: block;
    margin: 0;
  }
  .about-banner i img {
    width: 100%;
  }
}

.event {
  position: absolute;
  z-index: 50;
  left: 0.2rem;
  top: 2rem;
  width: 7.1rem;
}

.event-title {
  padding: 0 0 0.5rem;
  font-size: 0.36rem;
  line-height: 0.48rem;
  color: #fff;
  text-align: center;
}
.event-box {
  position: relative;
  padding: 0 0.6rem;
}
.event-box::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  left: 0.6rem;
  width: 5.9rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
}

.event-prev {
  position: absolute;
  z-index: 3;
  left: 0;
  top: 0.42rem;
}
.event-next {
  position: absolute;
  z-index: 3;
  right: 0;
  top: 0.42rem;
}
.event-prev img,
.event-next img {
  width: 0.6rem;
  cursor: pointer;
  opacity: 0.5;
}

.event-li-year {
  font-size: 0.36rem;
  line-height: 0.4rem;
  color: #fff;
  text-align: center;
}
.event-li-circle {
  width: 0.24rem;
  margin: 5px auto;
  text-align: center;
}
.event-li-circle img {
  width: 0.24rem;
}
.event-li-p {
  height: 40px;
  overflow: hidden;
  padding: 0 0.2rem;
  font-size: 14px;
  line-height: 20px;
  color: #fff;
  text-align: center;
  opacity: 0;
  transition: 0.3s;
}
.swiper-slide-active .event-li-p {
  opacity: 1;
}
@media (min-width: 1200px) {
  .event {
    position: absolute;
    z-index: 50;
    left: 10vw;
    top: 12vw;
    width: 80vw;
  }

  .event-title {
    padding: 0 0 6vw;
    font-size: 1.8vw;
    line-height: 2.4vw;
    color: #fff;
    text-align: center;
  }
  .event-box {
    position: relative;
    padding: 0 3vw;
  }
  .event-box::before {
    content: "";
    position: absolute;
    top: 4.1vw;
    left: 3vw;
    width: 74vw;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
  }

  .event-prev {
    position: absolute;
    z-index: 3;
    left: 0;
    top: 2.45vw;
  }
  .event-next {
    position: absolute;
    right: 0;
    top: 2.45vw;
  }
  .event-prev img,
  .event-next img {
    width: 3vw;
    cursor: pointer;
    opacity: 0.5;
  }

  .event-prev:hover img,
  .event-next:hover img {
    opacity: 1;
  }

  .event-li-year {
    font-size: 1.8vw;
    line-height: 2vw;
    color: #fff;
    text-align: center;
  }
  .event-li-circle {
    width: 1.4vw;
    margin: 1.5vw auto;
    text-align: center;
  }
  .event-li-circle img {
    width: 1.4vw;
  }
  .event-li-p {
    height: 2.8vw;
    padding: 0 1vw;
    font-size: 0.8vw;
    line-height: 1.4vw;
    color: #fff;
    text-align: center;
    opacity: 0;
    transition: 0.3s;
  }
  .swiper-slide-active .event-li-p {
    opacity: 1;
  }
}

/*  */
article {
  padding: 0;
}
.about1 {
  position: relative;
  z-index: 5;
  padding: 0 0.2rem 1rem;
  background: url(../images/mabout1_bg.png) no-repeat center bottom/ cover;
}
.about1-left {
  display: none;
}

.about1-title {
  padding: 0.6rem 0 0.2rem;
}
.about1-title .ch {
  font-size: 18px;
  line-height: 24px;
  color: #c90213;
}
.about1-title .en {
  font-size: 12px;
  line-height: 18px;
  color: #000000;
  text-transform: uppercase;
}
.about1-p {
  height: 72px;
  overflow: hidden;
  font-size: 14px;
  line-height: 24px;
  color: #000;
}
.about1-more {
  width: 100px;
  margin: 10px 0 0;
}
.about1-more a {
  display: block;
  font-size: 14px;
  line-height: 28px;
  color: #c90213;
  text-align: center;
  border: 1px solid #c90213;
}

@media (min-width: 1200px) {
  article {
    padding: 0;
  }
  .about1 {
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    padding: 5vw 10vw;
    background: url(../images/about1_bg.png) no-repeat center bottom/ cover;
  }
  .about1-left {
    display: block;
    width: 29.6vw;
  }
  .about1-left img {
    width: 100%;
  }
  .about1-right {
    width: 40vw;
  }
  .about1-title {
    padding: 2vw 0;
  }
  .about1-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #c90213;
  }
  .about1-title .en {
    font-size: 12px;
    line-height: 18px;
    color: #000000;
    text-transform: uppercase;
  }
  .about1-p {
    height: 150px;
    overflow: hidden;
    font-size: 16px;
    line-height: 30px;
    color: #000;
  }
  .about1-more {
    width: 10vw;
  }
  .about1-more a {
    display: block;
    font-size: 16px;
    line-height: 48px;
    color: #c90213;
    text-align: center;
    border: 1px solid #c90213;
  }
  .about1-more a:hover {
    color: #fff;
    background: #c90213;
  }
}

/* about2 */
.about23 {
  position: relative;
  z-index: 1;
}
.about23::after {
  content: "";
  position: absolute;
  z-index: 1;
  top: -0.8rem;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../images/mabout23_bg.jpg) no-repeat center 0 /100%;
}
.about2 {
  position: relative;
  z-index: 2;
  height: 18.6rem;
  padding: 0 0.2rem;
}
.about2-left {
  position: relative;
}

.about2-title {
  padding: 0.6rem 0 0.4rem;
  border-bottom: 1px solid #000;
}
.about2-title .ch {
  font-size: 0.3rem;
  line-height: 0.36rem;
  color: #c90213;
}
.about2-title .en {
  font-size: 12px;
  line-height: 18px;
  color: #000000;
  text-transform: uppercase;
}

.about2-p {
  position: relative;

  font-size: 14px;
  line-height: 24px;
  color: #000;
}
.about2-leader {
  position: absolute;
  right: 1rem;
  bottom: 0;
}
.about2-leader img {
  width: 1.5rem;
}
.about2-more {
  width: 100px;
  margin: 10px 0 0;
}
.about2-more a {
  display: block;
  font-size: 14px;
  line-height: 28px;
  color: #c90213;
  text-align: center;
  border: 1px solid #c90213;
}

@media (min-width: 1200px) {
  .about23 {
    position: relative;
    z-index: 1;
  }
  .about23::after {
    content: "";
    position: absolute;
    z-index: 1;
    top: -4vw;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../images/about23_bg.jpg) no-repeat center 0 /100%;
  }
  .about2 {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    height: 62.4vw;
    padding: 10vw 10vw 0;
  }
  .about2-left {
    position: relative;
    width: 38vw;
  }

  .about2-title {
    padding: 2vw 0;
    border: 0;
  }
  .about2-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #c90213;
  }
  .about2-title .en {
    font-size: 12px;
    line-height: 18px;
    color: #000000;
    text-transform: uppercase;
  }

  .about2-p {
    position: relative;
    font-size: 16px;
    line-height: 30px;
    color: #000;
  }
  .about2-leader {
    position: absolute;
    right: 0;
    bottom: 0;
  }
  .about2-leader img {
    width: 6vw;
  }
  .about2-more {
    width: 10vw;
    margin-top: 2vw;
  }
  .about2-more a {
    display: block;
    font-size: 16px;
    line-height: 48px;
    color: #c90213;
    text-align: center;
    border: 1px solid #c90213;
  }
  .about2-more a:hover {
    color: #fff;
    background: #c90213;
  }
}

/* about3 */
.about3 {
  position: relative;
  z-index: 5;
  padding: 0 0.2rem;
}
.about3-title {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.2rem 0 0.6rem;
}
.about3-title span {
  font-size: 0.3rem;
  line-height: 0.4rem;
  color: #000;
}
.about3-title i {
  padding: 0 0.2rem;
}
.about3-title i img {
  width: 3rem;
}
.about3-name {
  text-align: center;
  background: url(../images/mabout3_line.png) no-repeat center center/100%;
}
.about3-name .ch {
  font-size: 0.48rem;
  line-height: 0.5rem;
  color: #000;
}
.about3-name .en {
  font-size: 14px;
  line-height: 20px;
  color: #000;
}
.about3-p {
  margin: 0.4rem 0;
  font-size: 14px;
  line-height: 20px;
  color: #000;
  text-align: center;
}
.about3-more {
  width: 100px;
  margin: 10px auto 0;
}
.about3-more a {
  display: block;
  font-size: 14px;
  line-height: 28px;
  color: #c90213;
  text-align: center;
  border: 1px solid #c90213;
}

@media (min-width: 1200px) {
  .about3 {
    position: relative;
    z-index: 5;
  }
  .about3-title {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3vw 0 3vw 3vw;
  }
  .about3-title span {
    font-size: 1.2vw;
    line-height: 1.5vw;
    letter-spacing: 3vw;
    color: #000;
  }
  .about3-title i {
    padding: 0 4vw 0 1vw;
  }
  .about3-title i img {
    width: 15vw;
  }
  .about3-name {
    text-align: center;
    background: url(../images/about3_line.png) no-repeat center center/44.8vw;
  }
  .about3-name .ch {
    font-size: 2.4vw;
    line-height: 3vw;
    color: #000;
  }
  .about3-name .en {
    font-size: 14px;
    line-height: 20px;
    color: #000;
  }
  .about3-p {
    width: 44.8vw;
    margin: 3vw auto;
    font-size: 0.9vw;
    line-height: 1.4vw;
    color: #000;
    text-align: center;
  }
  .about3-more {
    width: 10vw;
    margin: 0 auto;
  }
  .about3-more a {
    display: block;
    font-size: 16px;
    line-height: 48px;
    color: #c90213;
    text-align: center;
    border: 1px solid #c90213;
  }
  .about3-more a:hover {
    color: #fff;
    background: #c90213;
  }
}

/* about4 */
.about4 {
  padding: 0.8rem 0.2rem 0;
  background: url(../images/mabout4_bg.jpg) no-repeat center 8vw/100%;
}

.about4-title {
  padding: 0 0 2vw;
}
.about4-title .ch {
  font-size: 0.3rem;
  line-height: 0.36rem;
  color: #c90213;
}
.about4-title .en {
  font-size: 12px;
  line-height: 18px;
  color: #000000;
  text-transform: uppercase;
}

.about4-p {
  margin: 4rem 0 0;
  font-size: 14px;
  line-height: 20px;
  color: #000;
}

.about4-more {
  width: 100px;
  margin: 10px 0 0;
}
.about4-more a {
  display: block;
  font-size: 14px;
  line-height: 28px;
  color: #c90213;
  text-align: center;
  border: 1px solid #c90213;
}

@media (min-width: 1200px) {
  .about4 {
    min-height: 52.8vw;
    padding: 8vw 10vw 0;
    background: url(../images/about4_bg.jpg) no-repeat center 8vw/100%;
  }
  .about4-left {
    width: 40vw;
  }

  .about4-title {
    padding: 0 0 2vw;
  }
  .about4-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #c90213;
  }
  .about4-title .en {
    font-size: 12px;
    line-height: 18px;
    color: #000000;
    text-transform: uppercase;
  }

  .about4-p {
    margin: 0;
    font-size: 0.8vw;
    line-height: 1.5vw;
    color: #000;
  }

  .about4-more {
    width: 10vw;
    margin: 2vw 0 0;
  }
  .about4-more a {
    display: block;
    font-size: 16px;
    line-height: 48px;
    color: #c90213;
    text-align: center;
    border: 1px solid #c90213;
  }
  .about4-more a:hover {
    color: #fff;
    background: #c90213;
  }
}

/* public */
.public {
  background: url(../images/public_bg.jpg) no-repeat center bottom / 100%;
}
@media (min-width: 1200px) {
  .public {
    background: url(../images/public_bg.jpg) no-repeat center bottom / 100%;
  }
}