/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #1E1E1E, #000000);
    color: #FFFFFF;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 字体设置 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Mono', monospace;
    color: #00B4D8;
    margin-bottom: 20px;
}

p, li, span, a {
    font-family: 'Inter', sans-serif;
    color: #D1D1D1;
}

/* 链接样式 */
a {
    color: #A78BFA;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #00B4D8;
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 30, 30, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 50px;
    z-index: 1000;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav ul li {
    position: relative;
}

nav ul li a {
    font-size: 1em;
    padding: 5px 10px;
}

nav ul li a::after {
    content: '';
    display: block;
    width: 0%;
    height: 2px;
    background: #00B4D8;
    transition: width 0.3s;
    position: absolute;
    bottom: 0;
    left: 0;
}

nav ul li a:hover::after {
    width: 100%;
}

/* 主内容区 */
main {
    padding: 100px 50px 50px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-bottom: 50px;
}

/* 卡片式布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background-color: rgba(46, 46, 46, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

/* 按钮样式 */
button, .btn {
    background: #00B4D8;
    color: #FFFFFF;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.3s ease;
}

button:hover, .btn:hover {
    background: #A78BFA;
    transform: translateY(-3px);
}

/* 代码块样式 */
pre {
    background: #2E2E2E;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

code {
    font-family: 'Roboto Mono', monospace;
    color: #00B4D8;
    font-size: 0.95em;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #444444;
    padding: 10px;
    text-align: left;
}

th {
    background: #00B4D8;
    color: #FFFFFF;
}

tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
}

/* 加载动画 */
.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #00B4D8;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 50px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 1440px) {
    main {
        padding: 100px 40px 40px 40px;
    }
}

@media (max-width: 1200px) {
    main {
        padding: 100px 30px 30px 30px;
    }
}

@media (max-width: 1024px) {
    nav ul {
        gap: 15px;
    }

    header {
        padding: 10px 30px;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
    }

    main {
        padding: 100px 20px 20px 20px;
    }

    h1 {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    nav ul {
        display: none;
    }

    header {
        padding: 10px 20px;
    }

    .burger {
        display: block;
        cursor: pointer;
    }

    .grid-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.5em;
    }

    button, .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
}

/* 图片样式 */
img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 示例展示样式 */
.sample-display {
    background: rgba(30, 30, 30, 0.95);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.sample-display h2 {
    color: #A78BFA;
}

.sample-display pre {
    background: #1E1E1E;
    padding: 15px;
    border-radius: 8px;
}

.sample-display table {
    background: transparent;
}

.sample-display th {
    background: #00B4D8;
}

.sample-display td {
    background: rgba(255, 255, 255, 0.05);
}

/* 提示语样式 */
.reference-note {
    background: rgba(46, 46, 46, 0.8);
    padding: 15px;
    border-left: 5px solid #00B4D8;
    margin-bottom: 30px;
    border-radius: 5px;
    font-style: italic;
    color: #D1D1D1;
}