body{
    margin: 0;
    padding: 0;
}

.home-style {
    width: 100%;
    height: calc(100vh);
    /* background-image: url("../images/home-bg.webp"); */
    /* 背景图垂直、水平均居中 */
    background-position: center center;
    /* 背景图不平铺 */
    background-repeat: no-repeat;
    /* 当内容高度大于图片高度时，背景图像的位置相对于viewport固定 */
    background-attachment: fixed;
    /* 让背景图基于容器大小伸缩 */
    background-size: cover;
    /* 设置背景颜色，背景图加载过程中会显示背景色 */
    background-color: #000;
}


.nav {
    background: rgba(0, 0, 0, .3);
    height: 90px;
    width: 100%;
    background-color: rgba(0, 0, 0, .3);
    border-bottom: 1px solid rgba(0, 0, 0, .3);
}

.nav .nav-wrap {
    align-items: center;
    display: flex;
    height: 100%;
    padding: 30px;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
}

.nav .logo {
    width: 100px;
    height: 100px;
}

.nav label {
    color: #fff;
    font-size: 77px;
    font-weight: 400;
    margin-left: 20px;
}

.screen-img {
    background: url(../images/result.webp)  no-repeat;
    height: 500px;
    width: 1080px;
    overflow: hidden;
    background-size: cover; 
    margin: 100px auto; /* 上下外边距为0，左右外边距自动调整 */
}

.content-btn {
    margin-top: 30%;
    margin-left: 40%;
}

.content-btn .btn-content {
    display: inline-block;
    padding: 7px 14px;
    background: #fff;
    border-radius: 5px
}

.content-btn .btn-style {
    padding: 22px
}

.content-btn .btn-img {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-right: 10px
}


.content {
    width: 90%;
    height: calc(100vh);
    /* padding-top: 70px; */
    margin: auto;
    padding-left: 5%;
    padding-right: 5%;
}

.content h1 {
    padding-top: 90px;
    margin-top: 120px;
    margin-bottom: 10px;
    font-size: 3rem;
}

.content h2 {
    font-size: 1.8rem;
    font-weight: 50;
    text-indent: 2px;
    line-height: 1.2;
}

.content h3 {
    font-size: 1.3rem;
    font-weight: 100;
    text-indent: 3px;
    line-height: 1.5;
}

.text-bold {
    font-weight: bold;
}

form {
    margin-top: 50px;
}

.span-style {
    font-size: 2rem;
    margin-right: 30px;
}

.input-style {
    width: 500px;
    height: 70px;
    border: 1px solid #139be1;
    border-radius: 5px;
    color: blue;
    font-size: 15px;
    font-weight: bold;
    background-color: #faf1d8;
    text-indent: 10px;
    margin-left: 20px;
}


.submit {
    margin-left: 20px;
    width: 500px;
    height: 50px;
    font-size: 15px;
    color: #fff;
    font-weight: bold;
    background-color: #f10505;
    border-radius: 10px;
}


.policy-box {
    position: fixed;  
    top: 20px; 
    right: 20px;  
    background-color: rgba(0, 0, 0, 0.7);  
    color: white;  
    padding: 10px 20px;
    border-radius: 5px;  
    font-size: 14px;
    z-index: 9999; 
  }

  .policy-box a {
    color: #fff;  
    text-decoration: underline;
  }

  .policy-box a:hover {
    text-decoration: none; 
  }

  
  /* 页脚区域 */
  footer {
    background-color: #222;
    color: white;
    padding: 20px 0;
    text-align: center;
    font-size: 1rem;
  }

  footer a {
    color: #00bfff;
    text-decoration: none;
  }

  footer a:hover {
    text-decoration: underline;
  }