body {
  background: #f3f3f3;
}
.banner1 .title p{
  color: #ffffff;
}
.banner1 .desc p{
  color: #e5e7eb;
}
.test {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 100%;
  padding: 58px 0 78px;
  overflow: hidden;
  background: #f3f3f3;
}

.test::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  aspect-ratio: 1.88;
  background: url("../images/about/video-back.png") center bottom / cover no-repeat;
  content: "";
  opacity: 0.65;
}

.test > .title {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.test > .title > p {
  margin-top: 20px;
text-align: center;
color: #003771;
font-family: "Alibaba PuHuiTi";
font-weight: 700;
font-size: 30px;
line-height: 36px;
}

.test .tag {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  width: 100%;
}

.test .tag .line {
  width: 32px;
  height: 2px;
  background: #f97316;
}

.test .tag p {
  color: #f97316;
  font-family: "Noto Sans SC";
  font-weight: 700;
  font-size: 14px;
  line-height: 20px;
  text-transform: uppercase;
}

.test .wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  width: 82%;
  gap: 46px 2%;
  margin-top: 52px;
}

.test .item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 49%;
  aspect-ratio: 1.78;
  padding: 4.6%;
  border: 1px solid #d8dde5;
  border-radius: 8px;
  background: #f8fbff;
  box-shadow: 0 12px 28px rgba(23, 42, 64, 0.09);
  cursor: pointer;
  overflow: hidden;
}

.test .item img {
  display: block;
}

.test .item .item-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.test .item .item-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 5px;
}

.test .page {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 30px;
  margin-top: 56px;
}

.test .pre-pageBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 58px;
  max-width: 58px;
  min-width: 58px;
  height: 58px;
  border-radius: 14px;
  border: 0.6px solid #e5e7eb;
  box-sizing: border-box;
  background: #fb903b;
}

.test .next-pageBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 58px;
  max-width: 58px;
  min-width: 58px;
  height: 58px;
  border-radius: 14px;
  border: 0.6px solid #e5e7eb;
  box-sizing: border-box;
  background: #fb903b;
}

.test .page-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.test .pages {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.test .num {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 58px;
  max-width: 58px;
  min-width: 58px;
  height: 58px;
  border-radius: 14px;
  border: 0.6px solid #e5e7eb;
  box-sizing: border-box;
  background: #ffffff;
  text-align: center;
  color: #4a5565;
  font-family: "Noto Sans SC";
  font-weight: 700;
  font-size: 24px;
  line-height: 24px;
}

.test .num-active {
  background: #003771;
  box-shadow: 0px 2px 4px -2px #0000001a, 0px 4px 6px -1px #0000001a;
  color: #ffffff;
}

.test .ellipsis {
  color: #7f8c9d;
  font-size: 13px;
}

.test-preview {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5%;
  background: rgba(4, 20, 35, 0.82);
}

.test-preview.preview-open {
  display: flex;
}

.test-preview img {
  width: 82%;
  max-height: 88%;
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
}

.test-preview button {
  position: absolute;
  top: 4%;
  right: 4%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5%;
  aspect-ratio: 1;
  color: #ffffff;
  font-size: 26px;
  border: 0;
  border-radius: 50%;
  background: #fb7f2c;
  cursor: pointer;
}

@media (max-width: 1280px) {
  .test .wrap {
    width: 88%;
  }
}

@media (max-width: 768px) {
  .test {
    padding: 38px 0 52px;
  }

  .test > .title > p {
    font-size: 24px;
    line-height: 32px;
  }

  .test .wrap {
    width: 90%;
    gap: 18px;
    margin-top: 36px;
  }

  .test .item {
    flex-basis: 100%;
    padding: 2%;
  }

  .test .page {
    gap: 12px;
    margin-top: 34px;
  }

  .test .pre-pageBtn {
    width: 10%;
  }

  .test .next-pageBtn {
    width: 10%;
  }

  .test .pages {
    gap: 10px;
  }

  .test .num {
    width: 10%;
    padding: 0 11px;
  }

  .test-preview img {
    width: 92%;
  }

  .test-preview button {
    width: 12%;
  }
}

@media (max-width: 414px) {
  .test > .title > p {
    font-size: 22px;
    line-height: 30px;
  }

  .test .wrap {
    width: 94%;
  }

  .test .page,
  .test .pages {
    gap: 8px;
  }
}