/* 基本样式 */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* 容器样式 */
.container {
    width: 85%;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 30px;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    text-align: center;
}

/* 页面标题 */
h1 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 0.5rem;
    word-wrap: break-word;
}

/* 副标题 */
h2 {
    font-size: 1.4rem;
    color: #555;
    margin-bottom: 1rem;
}

/* 图片样式 */
img {
    border-radius: 50%;
    margin-bottom: 20px;
    border: 4px solid #ccc;
    width: 120px;
    height: 120px;
    object-fit: cover;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: #007bff;
    transition: color 0.3s ease;
    word-break: break-all;
}

a:hover {
    color: #0056b3;
}

/* 列表样式 */
ul {
    padding: 0;
    margin: 20px 0;
}

li {
    list-style-type: none;
    margin: 12px 0;
    font-size: 1.1rem;
}

li a:hover {
    text-decoration: underline;
}

/* 公告栏样式 */
.announcement {
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
    text-align: left;
}

.announcement p {
    margin: 6px 0;
    font-size: 0.95rem;
    color: #666;
    line-height: 1.4;
}

/* 适配移动设备 */
@media (max-width: 768px) {
    .container {
        width: 92%;
        padding: 15px;
        box-shadow: none;
        border-radius: 8px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    li {
        font-size: 1rem;
        margin: 8px 0;
    }

    .announcement p {
        font-size: 0.9rem;
    }

    img {
        width: 80px;
        height: 80px;
    }
}

/* 适配超小屏幕（手机竖屏） */
@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    .container {
        padding: 10px;
    }

    li {
        font-size: 0.95rem;
    }

    a {
        display: block;
        padding: 10px;
        border: 1px solid #eee;
        border-radius: 8px;
        background: #f9f9f9;
    }

    a:hover {
        background: #eef3ff;
    }
}