/* scss中可以用mixin来扩展 */
@mixin ellipsis($line: 1) {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: $line;
  -webkit-box-orient: vertical;
}

.section-title {
  position: relative;
  text-align: center;
  height: 66px;
  img {
    display: block;
    height: 50px;
    margin: 0 auto;
  }
  h3 {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    font-size: 34px;
    font-weight: normal;
  }
}

// 轮播图
.banner {
  width: 100%;
  height: 700px;

  img {
    display: block;
    height: 100%;
  }
}

.main {
  .container {
    margin-top: 120px;
    .section-title {
      margin-bottom: 80px;
    }

    &.our-brand {
      .content {
        .item {
          position: relative;
          width: 286px;
          height: 286px;
          float: left;
          background-color: #ddd;

          &:first-child {
            width: 592px;
            height: 592px;
          }

          img {
            display: block;
            width: 100%;
            height: 100%;
          }

          &:hover {
            .active {
              opacity: 1;
            }
          }

          .active {
            opacity: 0;
            position: absolute;
            left: 0;
            top: 0;
            z-index: 2;
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            background-color: rgba(0, 0, 0, 0.5);
            transition: opacity 0.4s;

            .title {
              font-size: 34px;
              color: #fff;
            }
            .line {
              width: 40px;
              height: 1px;
              margin: 32px 0 60px;
              background-color: #fff;
            }
            .link {
              width: 160px;
              height: 48px;
              border: 1px solid #ffffff;
              text-align: center;
              line-height: 48px;
              color: #fff;
              cursor: pointer;
            }
          }
        }
      }
    }

    &.brand-activity {
      .content {
        display: flex;
        justify-content: center;

        .item {
          position: relative;

          width: 280px;
          height: 600px;
          overflow: hidden;
          flex-shrink: 0;
          transition: all 0.4s;

          a {
            display: block;
            width: 100%;
            height: 100%;
          }

          img {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            display: block;
            width: 640px;
            height: 600px;
          }

          &.hover {
            width: 640px;
          }

          &:nth-child(1) {
            .cover {
              &::after {
                content: '01';
              }
            }
          }

          &:nth-child(2) {
            .cover {
              &::after {
                content: '02';
              }
            }
          }

          &:nth-child(3) {
            .cover {
              &::after {
                content: '03';
              }
            }
          }

          .active {
            position: absolute;
            width: 100%;
            height: 280px;
            bottom: 0;
            left: 0;
            box-sizing: border-box;
            padding-left: 24px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0));
            .title {
              margin-top: 206px;
              width: 232px;
              font-size: 24px;
              color: #fff;
              @include ellipsis(1);
            }
            .line {
              width: 20px;
              height: 2px;
              margin-top: 16px;
              background-color: #fff;
            }
            .description {
              display: none;
            }

            &::after {
              position: absolute;
              content: '01';
              background: linear-gradient(to bottom, #fff, rgba(255, 255, 255, 0.2));
              -webkit-background-clip: text;
              color: transparent;
              font-size: 30px;
              left: 24px;
              bottom: 66px;
            }
          }

          .hover-active {
            position: absolute;
            width: 486px;
            height: 160px;
            padding-top: 32px;
            padding-left: 32px;
            box-sizing: border-box;
            border-top-left-radius: 32px;
            right: 0;
            bottom: 0;
            background: linear-gradient(166deg, #0688d2 25%, rgba(32, 155, 212, 0.8));
            transition: opacity 0.4s;
            .title {
              font-size: 24px;
              color: #fff;
              width: 300px;
              @include ellipsis(1);
            }
            .line {
              width: 20px;
              height: 2px;
              margin: 16px 0 22px;
              background-color: #fff;
            }
            .description {
              text-align: justify;
              width: 300px;
              font-size: 16px;
              color: #fff;
              line-height: 1.5;
              @include ellipsis(2);
            }

            &::after {
              position: absolute;
              content: '01';
              background: linear-gradient(to bottom, #fff, rgba(255, 255, 255, 0.2));
              -webkit-background-clip: text;
              color: transparent;
              font-size: 90px;
              line-height: 90px;
              right: 32px;
              bottom: 24px;
            }
          }
        }
      }
    }

    &.company-values {
      .content {
        .item {
          position: relative;
          float: left;
          height: 340px;
          width: 390px;
          margin-right: 15px;
          margin-bottom: 15px;
          box-sizing: border-box;
          overflow: hidden;

          img {
            width: 100%;
            height: 100%;
            opacity: 1;
            transition: all 0.4s;
          }

          &.no-mb {
            margin-bottom: 0;
          }

          &.no-mr {
            margin-right: 0;
          }

          &:nth-child(1),
          &:nth-child(7) {
            width: 795px;
          }

          &:hover {
            img {
              transform: scale(1.2);
            }
          }
          &:nth-child(2),
          &:nth-child(3),
          &:nth-child(7) {
            .cover {
              background: transparent;
            }

            &:hover {
              border: 1px solid #0688d2;
              img {
                opacity: 0;
              }

              .subtitle,
              .title {
                color: #0688d2;
              }

              .line {
                &::before,
                &::after {
                  background-color: #0688d2;
                }
              }
            }
          }

          .cover {
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            flex-direction: column;
            align-items: center;
            background: rgba(0, 0, 0, 0.5);

            .line {
              width: 180px;
              position: absolute;
              left: 50%;
              top: 50%;
              transform: translate(-50%, -50%) rotateZ(-45deg);

              &::after,
              &::before {
                position: absolute;
                left: 0;
                top: 0;
                content: '';
                display: block;
                width: 20px;
                height: 1px;
                background-color: #fff;
              }

              &::before {
                right: 0;
                left: unset;
              }
            }

            .title {
              color: #fff;
              font-size: 24px;
            }

            .subtitle {
              font-size: 18px;
              color: #fff;
              margin-top: 12px;
              &.en {
                text-transform: uppercase;
              }
            }
          }
        }
      }
    }

    &.head_quarter {
    }

    &.friendly_link {
      .content {
        .item {
          float: left;
          position: relative;
          width: 230px;
          height: 100px;
          box-sizing: border-box;
          border: 1px solid #d8d8d8;
          overflow: hidden;
          margin-right: 12px;
          margin-top: 20px;

          &:nth-child(5n) {
            margin-right: 0;
          }

          &:nth-child(-n + 5) {
            margin-top: 0;
          }

          img {
            display: block;
            width: 100%;
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
          }
        }
      }
    }
  }
}