.qianhe-home-choose {
  padding-bottom: 60px;
  overflow: hidden;
  background: #000;
}

.qianhe-home-choose .container {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

.qianhe-home-choose .title {
  width: 37%;
  margin-top: 130px;
  text-align: left;
}

.qianhe-home-choose .title h3 {
  margin-bottom: 40px;
  font-size: 40px;
  letter-spacing: 2px;
  color: #fff;
  font-weight: bold;
}

.qianhe-home-choose .title h3 b {
  display: block;
  margin-bottom: 8px;
  font-weight: 100;
  color: var(--color-primary);
  font-size: 17px;

  letter-spacing: 0;
}

.qianhe-home-choose .title p {
  color: #fff;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.6;
}

.qianhe-home-choose .main-href {
  text-align: left;
  margin-top: 50px;
}

.qianhe-home-choose .main-href a {
  display: inline-block;
  padding: 15px 65px;
  background: var(--color-primary);
  border-radius: var(--button-radius);
  color: #fff;
  font-size: 15px;
  letter-spacing: 1px;
  border-radius: var(--button-radius);
  border: 1px solid var(--color-primary);
}

.qianhe-home-choose .main-href a:hover {
  background: none;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.qianhe-home-choose .main-href a i {
  margin-left: 10px;
  font-size: 12px;
}

@keyframes bounce-down2 {
  25% {
    transform: translateY(-30px);
  }

  50% {
    transform: translateY(0);
  }

  75% {
    transform: translateY(15px);
  }

  100% {
    transform: translateY(0);
  }
}

.qianhe-home-choosecon {
  width: 32%;
  margin-top: 50px;
  -webkit-animation: bounce-down2 5s linear infinite;
  animation: bounce-down2 5s linear infinite;
}

.qianhe-home-chooseright {
  position: relative;
  width: 30%;
  margin-top: 215px;
}

.qianhe-home-chooseright .choose-circlea {
  position: absolute;
  left: -25px;
  top: -25px;
  width: 50px;
  height: 50px;
  border: 21px solid #000;
  border-radius: 50%;
  background: #fff;
  z-index: 1;
}

@keyframes scale1 {
  from {
    -webkit-transform: scale(0.6);
    transform: scale(0.6);
  }

  50% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }

  to {
    -webkit-transform: scale(0.6);
    transform: scale(0.6);
  }
}

.qianhe-home-chooseright .choose-circle::before {
  content: "";
  position: absolute;
  top: -33px;
  left: -33px;
  width: 66px;
  height: 66px;
  border: 16px solid rgba(255, 255, 255, 0.3);
  animation: scale1 3s linear infinite;
  border-radius: 50%;
  z-index: 0;
}

.qianhe-home-choosecon img {
  max-width: 100%;
}

.qianhe-home-chooselist {
  padding: 30px 35px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.qianhe-home-chooselist h3 {
  margin-bottom: 30px;
}

.qianhe-home-chooselist h3 a,
.qianhe-home-chooselist h3 {
  color: #fff;
  font-size: 26px;
}

.qianhe-home-chooselist > span {
  display: block;
  margin-top: 10px;
  padding: 5px 0;
}

.qianhe-home-chooselist span > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-right: 10px;
  border-radius: 50%;
  border: 1px solid #999;
}

.qianhe-home-chooselist span > span i {
  font-size: 12px;
  color: #999;
}

.qianhe-home-chooselist span a,
.qianhe-home-chooselist span {
  color: #999;
  font-size: 15px;
  font-family: var(--title-font-family);
}

.qianhe-home-chooselist span:hover a,
.qianhe-home-chooselist span:hover {
  color: #fff;
}

@media screen and (max-width: 1580px) {
  .qianhe-home-choose .container {
    width: 82%;
  }

  .qianhe-home-choose .title h3 {
    font-size: 34px;
  }

  .qianhe-home-choose .title p {
    line-height: 26px;
  }
}

@media screen and (max-width: 1400px) {
  .qianhe-home-chooselist {
    margin-bottom: 20px;
  }

  .qianhe-home-choose .title h3 {
    margin-bottom: 10px;
  }

  .qianhe-home-choose .title h3 a {
    font-size: 32px;
  }

  .qianhe-home-choosecon {
    margin-top: 100px;
  }

  .qianhe-home-choose .main-href a {
    padding: 15px 50px;
    font-size: 14px;
  }
}

@media screen and (max-width: 1280px) {
  .qianhe-home-chooseright {
    margin-top: 152px;
  }

  .qianhe-home-choose .title {
    width: 32%;
  }

  .qianhe-home-choose .title h3 {
    font-size: 32px;
  }

  .qianhe-home-chooselist {
    padding: 50px 30px;
  }

  .qianhe-home-choosecon {
    width: 36%;
  }

  .qianhe-home-choosecon {
    padding-right: 15px;
  }

  .qianhe-home-choose .container,
  .qianhe-home-saycon {
    flex-wrap: wrap;
  }

  .qianhe-home-choose .title,
  .qianhe-home-saycon .title,
  .qianhe-home-saylist {
    width: 100%;
  }

  .qianhe-home-chooseright {
    width: 50%;
  }

  .qianhe-home-choosecon {
    width: 38%;
  }

  .qianhe-home-choosecon {
    margin-top: 40px;
  }

  .qianhe-home-chooseright {
    margin-top: 80px;
  }
}

@media screen and (max-width: 960px) {
  .qianhe-home-choose .container {
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
  }

  .qianhe-home-choose .title {
    width: 100%;
    margin-top: 50px;
  }

  .qianhe-home-choose .title h3 {
    margin-bottom: 0;
  }

  .qianhe-home-choose .title h3 a {
    font-size: 30px;
  }

  .qianhe-home-choose .title p {
    line-height: 24px;
    font-size: 15px;
  }

  .qianhe-home-choosecon {
    width: 100%;
  }

  .qianhe-home-chooseright {
    width: 94%;
    margin-top: 20px;
    margin-left: 6%;
  }

  .qianhe-home-choose .main-href a {
    padding: 15px 40px;
    font-size: 13px;
  }
}