/* 通用样式 */
/* 基准值：设计图 720px 宽度下，1rem = 10px */
html {
    /* font-size 会由 JavaScript 动态设置 */
    font-size: 10px; /* 默认值，会被 JS 覆盖 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.5;
}

/* 页脚样式 */
.footer {
    background-color: #f8f8f8;
    padding: 2rem 0; /* 20px / 10 */
    text-align: center;
    border-top: 0.1rem solid #eaeaea; /* 1px / 10 */
    margin-top: 2rem; /* 20px / 10 */
    font-size: 2rem; /* 12px / 10 */
    color: #666;
}

.footer .content {
    width: 100%;
    max-width: 120rem; /* 1200px / 10 */
    margin: 0 auto;
    padding: 0 1.5rem; /* 15px / 10 */
}

.footer p {
    margin: 0.5rem 0; /* 5px / 10 */
    line-height: 1.5;
}

/* 安全认证样式 */
.cert-container {
    text-align: center;
    margin-top: 1rem; /* 10px / 10 */
}

.cert-container a {
    display: inline-block;
}

.cert-container img {
    height: 4.7rem;
    margin: 0 auto;
}

.footer a {
    color: #22b6ac;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: #1a8f87;
    text-decoration: underline;
}

.footer img {
    margin-top: 0.5rem; /* 5px / 10 */
    height: 4.7rem;
}

.pull-left {
    text-align: center;
}

/* 备案信息样式 */
.beian-info {
    margin-top: 0.8rem; /* 8px / 10 */
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem; /* 10px / 10 */
} 

/* 微信提示样式 */
#wechar_tip {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.wechar_tip_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.wechar_tip_content img {
    position: absolute;
    top: 2rem; /* 20px / 10 */
    right: 2rem; /* 20px / 10 */
    width: 64.8rem;
    height: 66.7rem;
}