/* 基本样式 */
body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, rgba(18, 18, 18, 1) 0%, rgba(0, 0, 0, 1) 100%);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 全局链接样式 */
a {
    color: #4a90e2;
    text-decoration: none;
}
a:hover {
    color: #357edd;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Mono', monospace;
    color: #ffffff;
    margin-top: 20px;
    margin-bottom: 10px;
}
h1 {
    font-size: 36px;
    text-align: center;
    margin-top: 40px;
}
h2 {
    font-size: 28px;
    border-bottom: 2px solid #4a90e2;
    padding-bottom: 10px;
}
h3 {
    font-size: 24px;
    color: #4a90e2;
    margin-top: 30px;
}
h4 {
    font-size: 20px;
    color: #d3d3d3;
}

/* 段落样式 */
p {
    font-size: 16px;
    color: #c0c0c0;
    margin-bottom: 15px;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #4a90e2;
    padding: 10px;
    text-align: left;
}
th {
    background-color: #2c2c2c;
}
tr:nth-child(even) {
    background-color: #1e1e1e;
}

/* 列表样式 */
ul, ol {
    margin-left: 20px;
    margin-bottom: 20px;
}
li {
    margin-bottom: 10px;
}

/* 按钮样式 */
.button {
    background: linear-gradient(45deg, #8e2de2, #4a90e2);
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
    transition: background 0.3s ease;
}
.button:hover {
    background: linear-gradient(45deg, #357edd, #1e3c72);
}

/* 图标样式 */
.icon {
    width: 50px;
    height: 50px;
    fill: #4a90e2;
    stroke: #ffffff;
    stroke-width: 2;
    transition: filter 0.3s ease;
}
.icon:hover {
    filter: drop-shadow(0 0 10px #4a90e2);
}

/* 代码块样式 */
pre {
    background: #1e1e1e;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #d3d3d3;
}
code {
    color: #4a90e2;
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

/* 网格布局容器 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

/* 卡片样式 */
.card {
    background: #2c2c2c;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}

/* 页脚样式 */
footer {
    background: #1e1e1e;
    color: #c0c0c0;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* 动画效果 - Aurora Move */
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
body {
    background: radial-gradient(circle, rgba(18, 18, 18, 1) 0%, rgba(0, 0, 0, 1) 100%);
    animation: aurora-move 15s linear infinite;
    background-size: 400% 400%;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    h1 {
        font-size: 32px;
    }
}
@media (max-width: 1200px) {
    h1 {
        font-size: 28px;
    }
}
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}
@media (max-width: 768px) {
    h1 {
        font-size: 24px;
    }
    h2 {
        font-size: 24px;
    }
    h3 {
        font-size: 20px;
    }
    p, li {
        font-size: 14px;
    }
}
@media (max-width: 480px) {
    h1 {
        font-size: 20px;
    }
    .button {
        padding: 10px 20px;
        font-size: 14px;
    }
}
@media (max-width: 320px) {
    h1 {
        font-size: 18px;
    }
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* 提示样式 */
.notification {
    background: #4a90e2;
    color: #ffffff;
    padding: 15px;
    text-align: center;
    font-size: 18px;
    border-radius: 5px;
    margin: 20px;
    animation: fadeIn 2s ease-in-out;
}

/* FadeIn 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 内部链接样式，添加 rel="nofollow" */
a[rel="nofollow"] {
    color: #e67e22;
}

/* 样式设计参考提示 */
.reference-note {
    background: #2c2c2c;
    border-left: 4px solid #4a90e2;
    padding: 10px 20px;
    margin: 20px 0;
    font-style: italic;
    color: #d3d3d3;
}

/* 表格响应式 */
.table-responsive {
    overflow-x: auto;
}

/* 保证代码块不出现横向滚动 */
pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 按钮动画 */
.button {
    transition: transform 0.3s ease, background 0.3s ease;
}
.button:hover {
    transform: scale(1.05);
}

/* 网格卡片内的图文布局 */
.card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 标题下的分割线 */
h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 2px;
    background: #4a90e2;
    margin: 10px auto 0;
}

/* 响应式图片 */
.responsive-img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* 层叠文字 */
.layered-text {
    position: relative;
    z-index: 2;
}

/* 背景粒子效果伪元素 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') repeat;
    opacity: 0.05;
    pointer-events: none;
    z-index: 1;
}

/* 内容容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题和内容的对齐 */
.section-title {
    text-align: center;
    margin-bottom: 30px;
}

/* 特性列表样式 */
.features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.feature-item {
    background: #1e1e1e;
    border-radius: 10px;
    padding: 20px;
    width: 45%;
    margin: 10px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}

/* 图标在特性列表中的样式 */
.feature-item .icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
}

/* 样本文章样式 */
.sample-article {
    background: #2c2c2c;
    padding: 20px;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}
.sample-article h2 {
    text-align: center;
}