* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    background: #f5f5f5 url("../img/header_bg.png") repeat-x top;
    color: #666;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

img {
    max-width: 100%;
    border: 0;
}

a {
    color: #333;
    text-decoration: none;
}

.container {
    width: min(100%, 1000px);
    margin: 0 auto;
}

.header {
    height: 190px;
}

.header img {
    display: block;
    width: 100%;
    height: 190px;
    object-fit: cover;
}

.main {
    width: 100%;
    margin: 15px auto;
}

.title {
    margin: 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #d8d8d8;
    color: #333;
    font-size: 28px;
    line-height: 1.45;
    text-align: center;
}

.intro {
    padding: 15px 0 30px;
    border-bottom: 1px solid #d8d8d8;
    font-family: SimSun, serif;
    font-size: 14px;
}

.intro p {
    margin: 0;
    line-height: 30px;
    text-align: justify;
    text-indent: 2em;
}

.entry-links {
    display: flex;
    justify-content: center;
    gap: 180px;
    min-height: 93px;
    padding: 20px 0;
}

.entry-links a,
.entry-links img {
    display: block;
    width: 210px;
    height: 53px;
}

.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100px;
    padding: 10px 18px;
    background: #fff;
    border-top: 1px solid #e4e4e4;
}

.copyright {
    color: #888;
    font-size: 12px;
    line-height: 22px;
}

.footer-marks {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer-marks img {
    display: block;
    max-width: 110px;
}

@media (max-width: 700px) {
    .header,
    .header img {
        height: auto;
    }

    .main {
        margin-top: 10px;
        padding: 0 14px;
    }

    .title {
        font-size: 22px;
    }

    .entry-links {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}