body {
    margin: 0;
    font-family: "Microsoft YaHei", Arial;
}

/* banner */

.banner {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 标题 */

.section-title {
    text-align: center;
    padding: 40px 0 10px;
}

.section-title p {
    color: #595959;
}


/* 卡片 */

.card-container {
    width: 1100px;
    margin: 20px auto 60px auto;
    display: flex;
    justify-content: space-between;
}

.card {
    width: 335px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all .3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-body {
    padding: 10px 15px 15px 15px;
}

.card-body p {
    margin: 5px;
}

.card-body a {
    color: #2a6df4;
    text-decoration: none;
    font-weight: bold;
    margin: 5px;
}


/* 介绍 */

.container {
    background-color: #EAF3FE;
    height: 500px;
    padding: 15px;
}

.intro {
    text-align: center;
    width: 900px;
    margin: 20px auto;
}

.intro p {
    line-height: 1.8;
}


/* 数据模块 */

.data-container {
    width: 1100px;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
}

.data-card {
    width: 335px;
    background: white;
    border-radius: 12px;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.data-card img {
    width: 30px;
    height: 30px;
}

.data-card h3 {
    margin: 10px 0 15px 0;
}

.data-card span {
    color: #296AB0;
    font-weight: bold;
}

.data-card p {
    margin: 8px;
}

/* 底部 */

.footer {
    text-align: center;
    padding: 30px;
    color: #666;
    line-height: 1.8;
}