/* style.css */
:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --bg-color: #f4f6f7;
    --text-color: #333;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 头部 */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

header h1 a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: bold;
}

nav {
    margin-top: 10px;
}

nav a {
    color: #bdc3c7;
    text-decoration: none;
    margin-right: 15px;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--white);
}

/* 主体内容 */
main {
    flex: 1;
    padding: 2rem 0;
}

.post-list .post-card {
    background: var(--white);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

.post-card:hover {
    transform: translateY(-3px);
}

.post-card h2 a {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.post-meta {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 10px;
}

/* 文章内容页 */
.article-content {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.article-content h2 {
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 10px;
}

.article-content p {
    margin-bottom: 15px;
}

.article-content code {
    background: #eee;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: monospace;
}

/* 底部 */
footer {
    background-color: var(--primary-color);
    color: #bdc3c7;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

footer a {
    color: #bdc3c7;
    text-decoration: underline;
}

footer a:hover {
    color: var(--white);
}