/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #DCE7D1, #A8C686);
    color: #333333;
    line-height: 1.6;
}

/* 动态背景效果 */
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    background: radial-gradient(circle, rgb(34, 193, 195), transparent);
    animation: aurora-move 15s linear infinite;
}

/* 容器布局 */
.container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
}

/* 导航栏 */
.navbar {
    grid-column: span 12;
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.navbar a {
    margin: 0 15px;
    text-decoration: none;
    color: #228B22;
    font-weight: bold;
}

.navbar a:hover {
    color: #FFA500;
}

/* 主内容区 */
.main-content {
    grid-column: span 8;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 侧边栏 */
.sidebar {
    grid-column: span 4;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 标题样式 */
h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    color: #2E8B57;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

/* 段落样式 */
p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

/* 按钮样式 */
.button-primary {
    background-color: #FFA500;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.button-primary:hover {
    background-color: #FF8C00;
}

.button-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple-effect 0.6s ease-out;
    opacity: 0;
}

@keyframes ripple-effect {
    0% {
        width: 0;
        height: 0;
        opacity: 0.5;
    }
    100% {
        width: 200%;
        height: 200%;
        opacity: 0;
    }
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background-color: #F0F8FF;
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* 代码块样式 */
pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 8px;
    overflow: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    color: #D2691E;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .container {
        padding: 15px;
    }
}

@media (max-width: 1200px) {
    h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-column: span 12;
    }
    .sidebar {
        grid-column: span 12;
    }
}

@media (max-width: 768px) {
    .navbar a {
        display: block;
        margin: 10px 0;
    }
    .button-primary {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 320px) {
    .container {
        padding: 10px;
    }
    .navbar a {
        font-size: 0.9rem;
    }
    p {
        font-size: 0.9rem;
    }
}