* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.mask {
  position: absolute;
  width: 200px;
  height: 80px;
  background-color: rgba(0, 0, 0, 0.7);
  left: 50%;
  top: 38%;
  transform: translate(-50%, -38%);
  z-index: 999;
  border-radius: 8px;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
html,
body {
  width: 100%;
}

/* .page {
  display: none;
} */

.swiper1 {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  height: 100%;
}

.swiper1 .swiper-slide {
  width: 100%;
  height: 100%;
}

.main {
  padding-top: 74px;
  padding-left: 32px;
  position: relative;
  height: 100%;
}

.main .title {
  font-size: 26px;
  font-weight: bold;
  padding-bottom: 12px;
}

.main .tip {
  font-size: 16px;
  color: #949494;
  padding-bottom: 16px;
}

.main1 .info {
  display: flex;
  align-items: center;
}

.main1 .info .num {
  font-size: 28px;
  font-weight: bold;
}

.main1 .info .box {
  width: 130px;
  height: 28px;
  overflow: hidden;
  border-radius: 14px;
  position: relative;
  margin-left: 10px;
}

.main1 .info .box .con {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  font-size: 10px;
}

.main1 .info .box .con .con1 .item {
  padding: 0 6px;
  background: #e2e2e2;
  height: 28px;
  line-height: 28px;
  box-sizing: border-box;
}

.main1 .info .box .con .con1 .item .avata {
  width: 16px;
  height: 16px;
  border-radius: 100%;
  vertical-align: -2px;
  margin-right: 4px;
}

.main1 .swiper2 {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 335px;
}

.main1 .swiper2 img {
  width: 100%;
}

.main .bar {
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
}

.main .bar img {
  height: 100%;
  display: block;
}

.main1 .bar {
  background: #f9da14;
}

.main2 .bar {
  background: #4663ff;
}

.main2 .pic {
  position: absolute;
  bottom: 0;
  left: 0;
  background: url('https://www.ingtube.com/assets/index/v3/banner3/bg.png')
    center bottom no-repeat;
  background-size: 100%;
}

.main2 .pic img {
  display: block;
  width: 95%;
  margin: 0 auto;
}

.main3 {
  position: relative;
  height: 100%;
}

.main3 .bar {
  background: #474849;
}

.main3 .step {
  width: 158px;
  height: 94px;
}

.main3 .btn {
  margin-top: 20px;
  border: 1px solid #979797;
  width: 120px;
  line-height: 30px;
  color: #979797;
  text-align: center;
  font-size: 14px;
  position: relative;
  box-sizing: border-box;
}

.main3 .btn .img {
  position: absolute;
  width: 120px;
  top: 31px;
  left: 0;
  height: 120px;
  display: none;
}

.main3 .btn .img.active {
  display: block;
}

.main3 .swiper3 {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 90%;
  z-index: 100;
}

.main3 .swiper3 img {
  width: 100%;
  display: block;
  height: 100%;
  object-fit: cover;
}

.main4 {
  display: flex;
  padding-top: 30vh;
  position: relative;
  background: url('https://www.ingtube.com/assets/index/v3/25.png') center
    center no-repeat;
  background-size: cover;
  padding-left: 0;
}

.main4 .slogan {
  z-index: 99;
  width: 100%;
}

.main4 .slogan img {
  width: 46%;
  margin-bottom: 40px;
}

.main4 .slogan .btn {
  display: block;
  width: 168px;
  height: 40px;
  margin: 0 auto;
  background: #000;
  color: #fff;
  text-align: center;
  line-height: 40px;
  border-radius: 30px;
  text-decoration: none;
}

.main4 .video {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  bottom: 0;
  object-fit: cover;
}

.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-size: 10px;
  color: #b1b1b2;
  z-index: 103;
  background: #3c3e3f;
}
.footer a {
  color: #b1b1b2;
}