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

:root {
    --primary: #4040b8;
    --primary-dark: #2e2e8f;
    --primary-mid: #5252cc;
    --text: #3E3A39;
    --text-light: #5B5756;
    --text-b-light: #817F7E;
    --border: #dde0f0;
    --sidebar-w: 158px;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background: #f4f4f8;
    font-size: 13px;
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ======= HEADER ======= */
.hd {
    position: relative;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 80px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.12);
}

.hd-inner {
    width: 1200px;
    padding: 0 16px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hd-logo img {
    height: 48px;
    display: block;
}

.hd-nav {
    display: flex;
    gap: 4px;
    list-style: none;
}

.hd-nav a {
    display: block;
    padding: 7px 20px;
    border-radius: 4px;
    font-size: 14px;
    color: #444;
    transition: background .18s, color .18s;
}

.hd-nav .active a,
.hd-nav a:hover {
    color: var(--primary);
}

.hd-nav .active a {
    color: var(--primary);
}


/* ======= HERO ======= */
.hero {
    width: 100%;
    display: block;
    overflow: hidden;
    line-height: 0;
}

.hero img {
    width: 100%;
}

/* ======= MAIN LAYOUT ======= */
.wrap {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 16px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}




/* ======= FOOTER ======= */
.ft {
    background: #fff;
    border-top: 2px solid var(--border);
    position: relative;
    float: left;
    width: 100%;
}

.ft-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 22px 24px 14px;
}

.ft-top {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding-bottom: 14px;
    /* border-bottom: 1px solid var(--border); */
    margin-bottom: 10px;
}

.ft-logo img {
    height: 42px;
    display: block;
}

.ft-links {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--text-b-light);
    margin-bottom: 6px;
}

.ft-links a {
    color: var(--primary);
}

.ft-links span {
    color: #ddd;
}

.ft-addr {
    font-size: 14px;
    color: var(--text-light);
    line-height: 2;
}

.ft-addr a {
    color: var(--text-light);
}

.ft-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

.ft-bottom {
    text-align: center;
    font-size: 12px;
    color: #aaa;
}

@media (max-width: 860px) {
    .wrap {
        flex-direction: column;
    }

    .sb {
        width: 100%;
        position: static;
    }

    .sb ul {
        display: flex;
        flex-wrap: wrap;
    }

    .sb ul li {
        flex: 1;
        min-width: 80px;
    }

    .sb ul li a {
        justify-content: center;
        border-right: 1px solid rgba(255, 255, 255, .1);
        border-bottom: none;
    }

    .feat-grid {
        grid-template-columns: 1fr;
    }

    .core-inner {
        flex-direction: column;
    }

    .core-diag {
        width: 100%;
    }

    .admit-wrap {
        flex-direction: column;
    }
}


.header {
    padding-bottom: 20px;
    width: 100%;
    float: left;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    position: relative;
    padding-left: 15px;
}

.header h1::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background:var(--primary);
}


.sys_build{width: 100%;height: 300px; font-size: 24px;padding: 120px 0 0 0;box-sizing: border-box;text-align: center;}