@font-face {
    font-family: InterRegular;
    src: url(/build/fonts/Inter_18pt-Regular.37dcabff.ttf);
}

@font-face {
    font-family: InterMedium;
    src: url(/build/fonts/Inter_18pt-Medium.8540f35b.ttf);
}


@font-face {
    font-family: InterBold;
    src: url(/build/fonts/Inter_18pt-Bold.7ef6f6d6.ttf);
}

@font-face {
    font-family: InterSemiBold;
    src: url(/build/fonts/Inter_18pt-SemiBold.e5532d99.ttf);
}

@font-face {
    font-family: InterLight;
    src: url(/build/fonts/Inter_18pt-Light.dfaec8b8.ttf);
}

@font-face {
    font-family: RubikBold;
    src: url(/build/fonts/Rubik-Bold.627d0e53.ttf);
}

@font-face {
    font-family: RubikMediun;
    src: url(/build/fonts/Rubik-Medium.e785acbf.ttf);
}

@font-face {
    font-family: RubikSemiBold;
    src: url(/build/fonts/Rubik-SemiBold.742cf1e6.ttf);
}

@font-face {
    font-family: RubikLight;
    src: url(/build/fonts/Rubik-Light.86699cab.ttf);
}

@font-face {
    font-family: RubikRegular;
    src: url(/build/fonts/Rubik-Regular.46df2880.ttf);
}



body{
    margin: 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #F1F1F1;
    overflow-x: hidden;
    cursor: default;

}

.mainArea{
    height: 90%;
    width: 100vw;
    display: flex;
    flex-direction: column;
    align-items: center;
}


body::before{
    content: "";
    position: absolute;
    /* 视需求而定，可能放右上角或右中间 */
    top: 46%;
    right: 10%;
    transform: translateY(-50%);
    /* 模拟一个圆形 */
    width: 32vw;
    height: 32vw;
    border-radius: 50%;
    
    /* 使用径向渐变 + 半透明颜色 */
    background: radial-gradient(
      circle at center,
      rgba(7, 48, 167, 0.7) 0%,  /* 内圈偏亮 */
      rgba(58, 123, 213, 0) 80%    /* 往外逐渐透明 */
    );
  
    /* 模糊化 */
    filter: blur(100px);
  
    /* 让它在背景层 */
    z-index: -1;
    pointer-events: none;
}

/* 背景蓝色圆形2 */
body::after{
     content: "";
    position: absolute;
    /* 视需求而定，可能放右上角或右中间 */
    top: 80%;
    right: 76%;
    transform: translateY(-50%);
    /* 模拟一个圆形 */
    width: 30vw;
    height: 30vw;
    border-radius: 50%;
    
    /* 使用径向渐变 + 半透明颜色 */
    background: radial-gradient(
      circle at center,
      rgba(7, 48, 167, 0.7) 0%,  /* 内圈偏亮 */
      rgba(58, 123, 213, 0) 80%    /* 往外逐渐透明 */
    );
  
    /* 模糊化 */
    filter: blur(100px);
  
    /* 让它在背景层 */
    z-index: -1;
    pointer-events: none;
}

.TitleArea{
    border-bottom: 1px solid #9b9b9b !important;
    padding-bottom: 16px;
    width: 66vw;
    min-height: 100px;
    font-family: InterSemiBold;
    font-size: 34px;
    align-content:end;
    margin-top: 4vh;

    @media (max-width: 1190px) {
      font-size: 32px;
    }

    @media (max-width: 750px) {
      width: 90vw;
      font-size: 28px;
      margin-top: 4vh;
      min-height: 80px;

    }
}

.Instruction{
    font-family: InterRegular;
    font-size: 16px;
    display: flex;
    width: 66vw;
    color:#757575;
    margin-top: 10px;

    @media (max-width: 750px) {
      width: 90vw;

    }
}

.installation-container {
    width: 66vw;

    display: flex;
    flex-direction: row;
    
    gap: 20px;
    margin-top: 24px;


    @media (max-width: 1190px) {
      flex-direction: column;
      align-items: center;
    }

    @media (max-width: 750px) {
      width: 90vw;
      margin-top: 24px;
      gap: 30px;

    }
  }
  
  /* 保证左右两栏各占 50% */
  .videoContainer{
    flex: 1;
    display: flex;
    max-height: 600px;
    width:min-content;

    @media (max-width: 1190px) {
      width:100%;
      transform: translate(10px, 0px);
    }

    @media (max-width: 750px) {
      width:100%;

    }
  }
  .textContainer {
    flex: 1;
    display: flex;
    
  }
  .steps{
    /*毛玻璃*/
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);   /* iOS / 旧 Chrome */
    background-color: rgba(255, 255, 255, 0.495); /* 一点乳白底，数值可调 */
    border-radius: 5px;
    
    
    padding: 30px;

    padding-left: 30px;
    padding-right: 30px;   

    border-radius: 5px;

    font-family: InterRegular;
    line-height: 30px;
  }

  .TitleAndGoBack{
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 10px;

    @media (max-width: 750px) {
      flex-direction: column;
      align-items: start;

    }
  }
  .contentTitle{
    font-family: InterSemiBold;
    font-size: 24≠px
  }
  .ReturnBtn{
    display: flex;
    text-decoration: underline;
    height: 20px;
    padding-bottom: 6px;
    @media (max-width: 750px) {
      padding-bottom: 20px;
      padding-top: 10px;


    }

  }
  
  /* 视频全宽，高度自适应，保持 16:9 宽高比 */
  .videoContainer video {
    width: 100%;
    height: auto;
    border-radius: 4px;
    background: #000;
    margin-right: 30px;
  }

  .videoContainer{

    margin-right: 20px;
  }
  
  /* 步骤文字区 */
  .textContainer {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  /* 每个步骤小单元 */
  .step-text h3 {
    margin: 0 0 4px;
    font-size: 1.1rem;
    font-weight: 600;
  }
  .step-text p {
    margin: 0;
    line-height: 1.6;
  }

.largeSloganSlideIn{
    opacity: 0;
    transform: translateY(16px);
    transition: ease-out 500ms;

}

.largeSloganSlideIn.active{
    opacity: 1;
    transform: translateY(0);
    transition: ease-out 500ms;
  
}
  

  *{
    border: none !important;
  }