html,
body {
    height: 100%;
    width: 100%;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #474157;
}

a:hover,
a:focus {
    color: #474157;
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
    letter-spacing: 1px;
}

p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}
.xq{
    margin: 0 auto;
    position: relative;
    text-align: center;
}
.xq img{
    max-width: 100%;
}
.xq a{
    position: absolute;
    left: 50%;
    bottom: 80px;
    transform: translateX(-50%);
    max-width: 400px;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    background: #ff0000;
    color: white;
}

.footer {
    background-color: #222222;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
}

.footer p {
    font-size: 14px;
    margin: 0;
}
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明遮罩 */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.popup-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px; /* 圆角 */
    text-align: center;
    position: relative;
    max-width: 400px;
    width: 90%;
}

.popup-image {
    width: 100%;
    border-radius: 10px; /* 图片圆角 */
    display: block;
}

.popup-link {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #ff4d4f;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.popup-close {
    position: absolute;
    bottom: -3rem;
    right: 50%;
    margin-right: -1rem;
    font-size: 24px;
    background: white;
    width: 2rem;
    height: 2rem;
    line-height: 2rem;
    text-align: center;
    border-radius: 50%;
    cursor: pointer;
}