body {
    font-family: "Microsoft YaHei", "SimHei", sans-serif;
    background-color: #fff;
}

/* 顶部标题栏 */
.header-banner {
    background: url('../../../images/cloud.png') no-repeat center center;
    background-size: cover;
    padding: 80px 0;
    color: #333;
    height:214px;
    text-align: center;
    border-bottom: 2px solid #337ab7;
}

/* 右上角链接 */
.top-right-link {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #0095db;
    font-size: 16px;
    text-decoration: none;
}

    .top-right-link:hover {
        text-decoration: underline;
    }

/* 中间内容区域 */
.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: 40px 0;
    position: relative;
}

/* 左侧书本图标区域 */
.book-icon {
    text-align: center;
    opacity: 0.9;
}

/* 右侧登录按钮 */
.login-box {
    /*text-align: center;*/
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* 从顶部开始 */
    align-items: center;
    height: 50vh; /* 或设置具体高度 */
    padding-top: 10vh; /* 屏幕高度的1/3 */
}

.btn-primary-custom {
    background-color: #0095db;
    border-color: #0095db;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
}

/* 页脚版权区 */
.footer {
    text-align: center;
    padding: 20px 0;
    color: #666;
    font-size: 14px;
    background: url('../../../images/foot-img.png') no-repeat center center;
    min-height: 200px;
}

/* 底部建筑图片 */
.building-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 10px auto;
    display: block;
}

/* 浏览器提示链接样式 */
.browser-tip {
    color: #0094ff;
    /* text-decoration: underline; */
    margin: 0 5px;
    font-size: 14px;
    font-family: 'Microsoft YaHei';
}



.copyright-text {
    color: #063257;
    /* text-decoration: underline; */
    /* margin: 0 5px; */
    font-size: 14px;
    font-family: 'Microsoft YaHei';
}


/* 方法1: 基础字体大小控制 */
.text-mobile-small {
    /* 手机默认 (xs): 较小文字 */
    font-size: 32px;
    color: #1C546E;
}

/* 平板 (sm) 放大 */
@media (min-width: 768px) {
    .text-mobile-small {
        font-size: 42px;
        color: #1C546E;
    }
}

/* 电脑 (md+) 更大 */
@media (min-width: 992px) {
    .text-mobile-small {
        font-size: 48px;
        color: #1C546E;
    }
}