body, html {
    margin: 0;
    padding: 0;
    height: 100%;
}
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    min-height: 100%;
}
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 10px 0;
}
.site-name {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
    padding-left: 20px;
}
.nav-buttons {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}
.nav-button {
    padding: 10px 20px;
    margin: 0 15px;
    border: 2px solid #ffd700;
    background-color: transparent;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    border-radius: 20px 20px 50% 50% / 50% 50% 20px 20px;
}
.nav-button:hover {
    background-color: rgba(255, 215, 0, 0.1);
}
.header-image {
    position: relative;
    margin-top: 60px;
    background-image: url('fengmian.jpg');
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease-in-out;
    height: 16vw;
    width: 9vw;
    max-height: 300px;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}
.header-image:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.menu-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}
.menu-item {
    margin-bottom: 10px;
    text-align: center; /* 使链接在药丸形状中居中 */
}
.menu-item-title {
    font-size: 20px;
    color: #333;
    display: inline-block; /* 使链接可以设置形状 */
    padding: 10px 20px;
    margin: 5px; /* 药丸形状的间距 */
    border: 2px solid #ffd700;
    background-color: transparent;
    text-decoration: none;
    border-radius: 50px; /* 药丸形状的圆角 */
    transition: background-color 0.3s ease;
}
.menu-item-title:hover {
    background-color: rgba(255, 215, 0, 0.1);
}
.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 14px;
    color: #999;
    background-color: #fff;
    border-top: 1px solid #eee;
}
.footer a {
    color: #1a0dab;
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}