.showroom {
  margin-top: 100px;
  position: relative;
  overflow: hidden;
}
.showroom .pic::after {
  padding-top: 22.5%;
}
.showroom .con {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.showroom .con .cistern {
  height: 100%;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
     -moz-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: end;
     -moz-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.showroom .con .cistern .text-con {
  width: 36.92%;
}
.showroom .con .cistern .text-con .title {
  margin-bottom: 30px;
  color: #231815;
  font-size: 32px;
}
.showroom .con .cistern .text-con .content {
  color: #595757;
  font-size: 20px;
  margin-bottom: 50px;
}
.showroom .con .cistern .text-con .btn {
  padding: 10px 26px;
  background-color: #c7000b;
  color: #fff;
  font-size: 14px;
  border-radius: 50px;
  display: inline-block;
}
.showroom .con .cistern .text-con .btn .jiantou {
  padding: 2px;
  margin-left: 5px;
  font-weight: 600;
  position: relative;
  left: 0;
  -webkit-transition: 0.35s;
  transition: 0.35s;
  display: inline-block;
  font-size: 0;
  vertical-align: middle;
}
.showroom .con .cistern .text-con .btn:hover {
  background-color: #8b0008;
}
.showroom .con .cistern .text-con .btn:hover .jiantou {
  left: 5px;
}
.showroom .con .cistern .text-con .quan {
  position: absolute;
  top: 45%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 50%;
  width: 48%;
  -webkit-animation: toTop 2s linear infinite alternate;
          animation: toTop 2s linear infinite alternate;
}
@-webkit-keyframes toTop {
  from {
    top: 45%;
  }
  to {
    top: 40%;
  }
}
@keyframes toTop {
  from {
    top: 45%;
  }
  to {
    top: 40%;
  }
}
.showroom .con .cistern .text-con .quan::after {
  padding-top: 43.72%;
}
@media (max-width: 1366px) {
  .showroom .pic img {
    width: auto;
    left: 50%;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    max-height: 100%;
  }
  .showroom .pic::after {
    padding-top: 30.5%;
  }
  .showroom .con .cistern .text-con .title {
    margin-bottom: 28px;
  }
  .showroom .con .cistern .text-con .content {
    margin-bottom: 30px;
  }
  .showroom .con .cistern .text-con .quan {
    right: 48%;
  }
}
@media (max-width: 1200px) {
  .showroom {
    margin-top: 60px;
  }
  .showroom .con .cistern .text-con .title {
    margin-bottom: 18px;
    font-size: 28px;
  }
  .showroom .con .cistern .text-con .content {
    margin-bottom: 26px;
    font-size: 16px;
  }
  .showroom .con .cistern .text-con .btn {
    padding: 10px 20px;
  }
}
@media (max-width: 992px) {
  .showroom {
    margin-top: 50px;
    overflow: visible;
  }
  .showroom .pic::after {
    padding-top: 73.73%;
  }
  .showroom .con .cistern .text-con {
    margin-top: 39%;
    width: calc(100% - 74px);
  }
  .showroom .con .cistern .text-con .title {
    font-size: 32px;
  }
  .showroom .con .cistern .text-con .content {
    font-size: 20px;
  }
  .showroom .con .cistern .text-con .btn {
    padding: 14px 30px;
  }
  .showroom .con .cistern .text-con .quan {
    width: 76%;
    top: 0%;
    right: 50%;
    -webkit-transform: translate(50%, 0);
        -ms-transform: translate(50%, 0);
            transform: translate(50%, 0);
  }
  @-webkit-keyframes toTop {
    from {
      top: 1%;
    }
    to {
      top: -1%;
    }
  }
  @keyframes toTop {
    from {
      top: 1%;
    }
    to {
      top: -1%;
    }
  }
  .showroom .con .cistern .text-con .quan::after {
    padding-top: 43.69%;
  }
}
@media (max-width: 750px) {
  .showroom .pic::after {
    padding-top: 102.4%;
  }
  .showroom .con .cistern .text-con {
    width: calc(100% - 35px);
    margin-top: 50%;
  }
  .showroom .con .cistern .text-con .title {
    font-size: 20px;
    margin-bottom: 18px;
  }
  .showroom .con .cistern .text-con .content {
    font-size: 14px;
  }
  .showroom .con .cistern .text-con .btn {
    padding: 6px 20px;
    font-size: 12px;
  }
  .showroom .con .cistern .text-con .btn .jiantou {
    font-size: 12px;
    margin-left: 2px;
  }
  .showroom .con .cistern .text-con .btn .jiantou img {
    width: 22px;
  }
}