/* 全局样式设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: radial-gradient(circle, rgba(31, 41, 55, 0.9), rgba(15, 23, 42, 1));
    color: #f7fafc;
    line-height: 1.6;
    padding: 20px;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* 标题样式 */
h1, h2, h3, h4 {
    font-family: 'Roboto', sans-serif;
    color: #edf2f7;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5em;
    text-align: center;
    margin-top: 20px;
}

h2 {
    font-size: 2em;
    border-bottom: 2px solid #4FD1C5;
    padding-bottom: 10px;
}

h3 {
    font-size: 1.75em;
    margin-top: 30px;
}

h4 {
    font-size: 1.5em;
    margin-top: 25px;
}

/* 段落样式 */
p {
    margin-bottom: 20px;
    font-size: 1em;
    color: #e2e8f0;
}

/* 代码块样式 */
pre {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 20px;
}

code {
    font-family: 'Source Code Pro', monospace;
    color: #f56565;
}

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

th, td {
    border: 1px solid #4a5568;
    padding: 10px;
    text-align: left;
}

th {
    background: #2d3748;
    color: #a0aec0;
}

td {
    background: rgba(255, 255, 255, 0.05);
    color: #cbd5e0;
}

/* 图片样式 */
img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
}

/* 按钮样式 */
.button {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background: linear-gradient(135deg, #38a169, #48bb78);
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* 图标样式 */
.icon {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
    fill: #4FD1C5;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .container {
        max-width: 1024px;
    }
}

@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 720px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.75em;
    }

    h3 {
        font-size: 1.5em;
    }

    h4 {
        font-size: 1.25em;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 1.75em;
    }

    h2 {
        font-size: 1.5em;
    }

    h3 {
        font-size: 1.25em;
    }

    h4 {
        font-size: 1em;
    }

    .button {
        padding: 8px 16px;
    }
}

@media (max-width: 320px) {
    .container {
        padding: 8px;
    }

    h1 {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.25em;
    }

    h3 {
        font-size: 1em;
    }

    h4 {
        font-size: 0.875em;
    }

    .button {
        padding: 6px 12px;
    }
}

/* 链接样式 */
a {
    color: #63b3ed;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 装饰性图形 */
.background-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(31, 41, 55, 0.2), rgba(15, 23, 42, 0.8));
    z-index: -1;
}

/* 隐藏图片描述 */
img[alt=""] {
    alt: "";
}

/* 动画效果 */
@keyframes reveal {
    from { opacity: 0; filter: blur(20px); }
    to { opacity: 1; filter: blur(0); }
}

.frosted-glass {
    animation: reveal 1.5s ease-in-out;
}

/* 卡片动画 */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* 表格响应 */
@media (max-width: 768px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }

    th {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    td {
        border: none;
        position: relative;
        padding-left: 50%;
    }

    td:before {
        position: absolute;
        top: 10px;
        left: 10px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        font-weight: bold;
    }
}

/* 代码块滚动条样式 */
pre::-webkit-scrollbar {
    width: 8px;
}

pre::-webkit-scrollbar-thumb {
    background: #4FD1C5;
    border-radius: 4px;
}

pre::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}