body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    background-color: #222;
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

header nav ul li {
    display: inline;
    margin: 0 20px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

header nav ul li a:hover {
    color: #f39c12;
}

.hero {
    color: #fff;
    padding: 60px 20px;
    text-align: center;
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.hero h1,
.hero p {
    font-size: 2.5rem;
    margin: 0;
    color: #fff; /* 白色字体 */
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
}

.server-overview, .server-features, .use-server {
    padding: 40px;
    margin: 20px auto;
    background-color: #fff;
    border-radius: 10px;
    max-width: 800px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.server-overview img.overview-img {
    max-width: 60%; /* 调整概述图片大小 */
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer; /* 添加鼠标指针 */
}

/* 全屏显示图片的样式 */
#image-modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

#image-modal img {
    margin: auto;
    display: block;
    width: 90%; /* 增大图片大小 */
    max-width: 1000px;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 居中显示 */
}

#image-modal .close {
    position: absolute;
    top: 10px;
    right: 25px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    transition: 0.3s;
}

#image-modal .close:hover,
#image-modal .close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

footer {
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    width: 100%;
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}