/* ==================base====================== */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* font-size: 1rem; */
}
body{
    position: relative;
    min-height: 100vh;
    background: linear-gradient(15.69deg, #e8f0fe 10.16%, rgba(255, 255, 255, 0) 89.84%);
}






/* ===================header=================== */
.header{
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    height: 64px;
    box-shadow: 0 2px 6px 0 rgba(32,33,37,.1);
    display: flex;
    align-items: center;
    padding: 0 10px;
    background: #fff;
}
.logo{
    width: 60px;
    margin-right: 2rem;
}

.header-items{
    display: flex;
    align-items: center;
    column-gap: 18px;
}
.header-item{
    display: flex;
    align-items: center;
    height: 64px;
    padding: 0 16px;
    text-decoration: none;
    color: #5f6368;
}


.header-title{
    font-size: 16px;
    margin-bottom: 0;
    letter-spacing: 1px;
}
   
.header-item-active{
    border-bottom: 2px solid #3C85F6;
    color: #202125;
    font-weight: 600;
}

.down-aweb{
    color: #fff;
    background: #3C85F6;
    font-size: 16px;
    border-radius: 30px;
    margin-left: auto;
    width: 120px;
    height: 45px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* 标题 */
.title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: #202125;
    margin-bottom: 1rem;
  }
.subtitle{
    text-align: center;
    font-size: 1rem;
    letter-spacing: 1px;
    color: #202125;
    margin-bottom: 4rem;

}



    /* =============footer================ */
    .footer {
        width: 100%;
        height: 64px;
        background: #F2F3F5;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 16px;
        font-size: 14px;
      }
      .footer-content {
        width: 100%;
        text-align: center;
        display: flex;
        justify-content: space-between;
        color:#202125;
      }
      .footer-right{
        display: flex;
        align-items: center;
        column-gap: 10px;
      }
      .footer-content a {
        color:#202125;
        display: flex;
        align-items: center;
        justify-content: center;
        column-gap: 2px;
        text-decoration: none;
      }
      .footer-icon{
        width: 20px;
        height: 20px;
      }







/* 小屏幕====== 小于 768 */
@media screen and (max-width: 768px) {
    html,body{
        font-size: 12px;
    }
    .header{
        justify-content: space-between;
    }
   
    .down-aweb{
        display: none;
    }
    .phone-hide{
        display: none;
    }
    
}
/* 大屏幕=====大于768 */
@media screen and (min-width: 768px) {
    html,body{
        font-size: 16px;
    }

    .br{
        display: none;
    }
    
}

.p5Canvas{
    /* margin-top: 64px; */
}