/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "微软雅黑", sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    font-size: 16px;
}

.container {
    width: 1200px;
    margin: 0 auto;
}

a {
    color: #000;
    text-decoration: none;
}


/* 头部导航 */
    .header {
        background-color: #d90000;
        color: #fff;
    }

    .header .container .container_wrap {
        display: flex;
        align-items: center;
        list-style: none;
        font-size: 18px;
        color:#ffffff;
        max-width: 1200px;
        margin: 0 auto;
    }

    .header .container .logo-wrap {
        display: flex;
        align-items: center;
        padding: 10px 0;
    }

    .wrap_content {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0 0 0 20px;
    }

    .header .container .logo-wrap .logo-text .link-text {
        font-size: 12px;
    }

    .header .logo {
        height: 30px;
        margin-right: 20px;
    }

    .header .container_wrap .wrap_div a {
        color: #fff;
        text-decoration: none;
    }

    .header .container_wrap .wrap_div {
        padding: 10px 0;
        border-bottom: 2px solid transparent;
    }

    .header .container_wrap .activi {
        border-bottom: 2px solid rgba(254, 148, 28, 1);
    }

/* 头部导航 */



    footer {
        background-color: #333;
        color: #aaa;
        font-size: 12px;
        padding: 20px 0;
        text-align: center;
    }

    footer .footer-content {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    footer .footer-info {
        margin-bottom: 15px;
        line-height: 1.8;
    }

    footer .footer-link {
        margin: 15px 0;
    }

    footer .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 15px;
        border-top: 1px solid #444;
    }

    footer .footer-logo {
        display: flex;
        align-items: center;
        color: #fff;
        text-decoration: none;
    }

        footer .footer-logo img {
            width: 30px;
            height: 23px;
            margin-right: 8px;
        }

    footer .footer-copyright {
        text-align: right;
    }

    footer .footer-copyright a {
        color: #aaa;
        text-decoration: none;
    }


    .title-before::before {
        content: '';
        display: inline-block;
        width: 4px;
        height: 14px;
        background-color: red;
        margin-right: 5px;
    }

    #backToTop {
        display: none;
        position: fixed;
        bottom: 100px;
        right: 100px;
        padding: 10px;
        cursor: pointer;
        width: 80px;
        height: 80px;
    }


/* 当屏幕宽度小于725px时 */
@media (max-width: 725px) {
    .header {
        background: transparent;
    }

    .container {
        width: 100%;
        margin: 0 auto;
    }

    .header .container .container_wrap {
        display: block;
    }

    .header .container .container_wrap .logo-wrap {
        background: #d90000;
        padding: 10px 10px;
    }

    .header .container .container_wrap .wrap_content {
        margin: 0 0 0 0px;
        background: #ffffff;
        padding: 0 10px;
        font-size: 13px;
        overflow: auto;
        white-space: nowrap;
    }

    .header .container .container_wrap .wrap_content .wrap_div {
        padding: 10px 10px;
        display: inline-block;
    }

    .header .container .container_wrap .wrap_content .wrap_div a {
        color: #000000;
    }

    footer .footer-content {
        padding: 0 10px;
    }

    footer .footer-bottom {
        display: block;
    }

    footer .footer-copyright{
        text-align: center;
    }

    footer .footer-logo{
        justify-content: center;
    }

    #backToTop {
        right: 30px;
        width: 60px;
        height: 60px;
    }
 }