.index {
  // background-color: #002329;
  // width: 100vw;
  // padding-top: 80px;
  height: 100vh;
  // height: 100%;
  // padding-left: 100px;
  // padding-right: 100px;
  // background-color: yellow;
  .index-book {
    // margin-top: 80px;
    // width: 100%;
    min-height: 300px;
    // padding: 20px;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: space-between;
    // background-color: #f0f0f0;
    // background-color: #f0f5ff;
    // background-color: yellow;
    .index_book_left {
      min-width: 600px;
      min-height: 300px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-around;
      // background-color: rgb(208, 255, 0);
      .left_title {
        font-size: 50px;
        font-weight: 700;
        color: #69b1ff;
      }
      .left_text {
        font-size: 30px;
      }
      .left_mobile {
        margin-top: 20px;
        width: 100%;
        font-size: 30px;
        display: flex;
        flex-direction: column;
        // align-items: center;
        // justify-content: space-around;
        // background-color: yellow;
      }

      .card {
        margin-top: 40px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        .cardItem {
          padding: 20px;
          // padding-top: 20px;
          width: 500px;
          // height: 300px;

          margin-bottom: 20px;
          display: flex;
          flex-direction: row;
          background-color: rgb(var(--color-gray-50) / var(--tw-bg-opacity, 1));
          // background-color: yellow;
          background-color: #f0f5ff;
          border-radius: 20px;

          // align-items: center;
          // justify-content: center;
          .cardItem_left {
            // width: 100px;
            // height: 100%;
            // background-color: #69b1ff;
            display: flex;
            flex-direction: column;
            // align-items: center;
            // justify-content: center;
            margin-right: 40px;
            .cardItem_left_img {
              width: 80px;
              height: 80px;
            }
            .youtubeSvg {
              position: relative;
              top: -5px;
            }
          }
          .cardItem_right {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            // background-color: red;
            .cardItem_rightUp {
              width: 100%;
              height: 80px;
              // background-color: aquamarine;
              display: flex;
              flex-direction: row;
              font-weight: 700;
              font-size: 35px;
              // align-items: center;
              // justify-content: center;
            }
            .cardItem_rightDown {
              width: 100%;
              // height: 200px;
              flex: 1;
              // background-color: red;
              display: flex;
              flex-direction: row;
              // align-items: center;
              // justify-content: center;
              font-size: 30px;
              flex-wrap: wrap;
              color: #262626;
            }
          }
          .left_mobile {
            margin-top: 20px;
            // width: 100%;
            font-size: 30px;
            display: flex;
            flex-direction: column;
            // background-color: aqua;
            // align-items: center;
            // justify-content: space-around;
            // background-color: yellow;
          }
        }
      }

      .left_btn {
        margin-top: 40px;
        // background-color: aqua;
        // display: none;
        .startRead {
          width: 500px;
        }
      }
    }
    .index_book_img {
      margin-top: 80px;
      width: 400px;
      height: 400px;
    }
  }

  .svgItems {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    // background-color: yellow;
    margin-top: 20px;
    // padding: 20px;
    .bookImg {
      display: none;
    }
  }
  .index_btn {
    // background-color: yellow;
    // margin-top: 40px;
    .startRead {
      width: 200px;
    }
  }
  .footer {
    position: absolute;
    // position: fixed;
    bottom: 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 60px;
    // margin-bottom: 20px;
    font-size: 14px;
    // background-color: yellow;
  }
}

@media (min-width: 1536px) {
  .index {
    // padding: 100px;
    // height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    // background-color: aqua;
    position: relative;

    .index-book {
      width: 100%;
      max-width: 1400px;

      // max-width: 2000px;
      // padding: 20px;
      display: flex;
      flex-direction: row;
      align-items: center;
      // justify-content: center;
      justify-content: space-between;
      background-color: #f0f5ff;
      border-radius: 20px;

      .index_book_left {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-around;
        // background-color: yellow;
        // background-color: #69b1ff;
        .left_mobile {
          display: none;
        }
        .card {
          display: none;
        }
        .left_btn {
          display: flex;

          .startRead {
            // display: flex;
            width: 200px;
          }
        }
      }
      .index_book_img {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        // height: 100%;
        // background-color: yellow;
        .book_img{
          margin-bottom: 40px;

        }
      }
    }

    .svgItems {
      // width: 1400px;
      width: 100%;
      max-width: 1400px;
      margin-top: 80px;
      // padding: 0px;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      // background-color: #69b1ff;
      // background-color: yellow;
      // background-color: brown;
      .svgItem {
        // min-width: 1400px;
        width: 100%;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-around;
        // background-color: #69b1ff;
        .bookImg {
          width: 350px;
          height: 350px;
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          // background-color: yellow;
          .bookImg_text {
            margin-top: 20px;
            font-size: 30px;
          }
        }
      }
    }

    .index_btn {
      .startRead {
        display: none;
      }
    }

    .footer {
      position: absolute;
      // position: fixed;
      bottom: 0px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: 60px;
      // margin-bottom: 20px;
      font-size: 14px;
      // background-color: yellow;
    }
  }
}

.footer_div {
  width: 100%;
  height: 60px;
}