/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #000033, #1E1E2D);
    color: #FFFFFF;
    font-family: 'Roboto Mono', monospace;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* 标题样式 */
h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    color: #39FF14;
    text-align: center;
    margin: 20px 0;
}

/* 段落样式 */
p {
    max-width: 800px;
    padding: 0 20px;
    margin-bottom: 20px;
}

/* 代码块样式 */
pre {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    max-width: 800px;
    margin: 20px auto;
}
code {
    color: #00FFFF;
    font-family: 'Roboto Mono', monospace;
}

/* 表格样式 */
table {
    width: 90%;
    max-width: 800px;
    margin: 20px auto;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #39FF14;
    padding: 10px;
    text-align: center;
}
th {
    background-color: #1E1E2D;
}
tr:nth-child(even) {
    background-color: rgba(57, 255, 20, 0.1);
}

/* 列表样式 */
ul {
    max-width: 800px;
    padding: 0 40px;
    margin-bottom: 20px;
}
li {
    margin-bottom: 10px;
    position: relative;
}
li::before {
    content: '•';
    color: #39FF14;
    position: absolute;
    left: -20px;
}

/* 布局容器 */
.grid-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    max-width: 1200px;
    width: 100%;
    padding: 20px;
}

/* 特点图片样式 */
.feature-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 0 20px #39FF14;
}

/* 特点卡片样式 */
.feature-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.feature-card {
    background: rgba(30, 30, 45, 0.8);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px #39FF14;
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px #00FFFF;
}

/* 渐变背景 */
.background-gradient {
    background: linear-gradient(135deg, #00FFFF, #39FF14);
    padding: 50px 0;
}

/* 覆盖层样式 */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
    mix-blend-mode: multiply;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .grid-container {
        max-width: 1000px;
    }
}
@media (max-width: 1200px) {
    .grid-container {
        max-width: 900px;
    }
}
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    .feature-image, .feature-cards {
        grid-column: 1 / -1;
    }
}
@media (max-width: 768px) {
    h1, h2, h3, h4 {
        font-size: 1.5em;
    }
    p, pre, table, ul {
        padding: 0 10px;
    }
}
@media (max-width: 480px) {
    h1, h2, h3, h4 {
        font-size: 1.2em;
    }
    .feature-cards {
        flex-direction: column;
    }
}
@media (max-width: 320px) {
    body {
        padding: 10px;
    }
    h1, h2, h3, h4 {
        font-size: 1em;
    }
    p, pre, table, ul {
        padding: 0 5px;
    }
}