/*=================*/
.header-image img {
    width: 100%; /* 图片宽度占满整个屏幕 */
    height: auto; /* 图片高度自适应，保持宽高比例 */
    display: block; /* 去除图片周围的额外间距 */
}

.contact-content {
    background-color: whitesmoke;
    margin: 20px;
    padding: 20px;
    border-radius: 0;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}


.card {
    background: whitesmoke;
    max-width: 800px;
    margin: 20px;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 卡片标题 */
.card-header {
    background: whitesmoke;
    color: black;
    padding: 20px;
    text-align: center;
    border-radius: 0;
}

.card-header h1 {
    margin: 0;
    font-size: 2.5rem;
}

.card-header p {
    font-size: 1.8rem;
    font-style: italic;
    margin: 5px 0 0;
}

/* 卡片内容 */
.card-content {
    background-color: whitesmoke;
    padding: 20px;
}

.card-content h2 {
    font-size: 1.5rem;
    color: #4caf50;
    margin: 4rem;
}

.card-content p {
    font-size: 1.2rem;
    text-align: justify;
    margin: 4rem;
    line-height: 3;
}