/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f0f7ff; /* 浅蓝色背景 */
}

header {
    background-color: #4da6ff; /* 浅蓝色主题色 */
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.features, .system-support, .installation {
    max-width: 1200px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

h2 {
    color: #1a73e8; /* 浅蓝色标题 */
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #e3f2fd;
    padding-bottom: 0.5rem;
}

/* 功能卡片样式 */
.feature-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #64b5f6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* 系统支持列表样式 */
.os-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.os-item {
    background: #e3f2fd;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    transition: background-color 0.3s ease;
}

.os-item:hover {
    background: #bbdefb;
}

/* 安装命令样式 */
.command-card {
    background: #f0f7ff;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
    border-left: 4px solid #42a5f5;
}

.command-card pre {
    background: rgba(255,255,255,0.8);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
}

/* 按钮样式 */
.command-wrapper {
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #64b5f6;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.copy-btn:hover {
    background-color: #42a5f5;
}

/* 空白框样式 */
.empty-boxes {
    max-width: 1200px;
    margin: 2rem auto;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 1rem;
}

.empty-box {
    height: 150px;
    background-color: #ffffff;
    border: 1px solid #b3d9ff;
    border-radius: 8px;
    flex: 1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.empty-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}