:root {
    --bg: #f7f7f7;
    --card: #ffffff;
    --text: #222;
    --muted: #666;
    --link: #1e73be;
    --border: #e3e3e3;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

a {
    color: var(--link); text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 24px 16px;
}

.site-title a {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.site-tagline {
    color: var(--muted);
    margin-top: 6px;
}

.site-nav {
    margin-top: 12px;
}

.site-nav a {
    margin-right: 14px;
    color: var(--muted);
}

.site-nav a:hover {
    color: var(--text);
}

.wrap {
    max-width: 1040px;
    margin: 24px auto;
    padding: 0 16px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
}

.content, .sidebar {
    min-width: 0;
}

.home-intro {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 16px;
    margin-bottom: 16px;
}

.post-summary, .post, .widget {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 16px;
    margin-bottom: 16px;
}

.post-title {
    margin: 0 0 6px 0;
}

.post-meta {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.post-excerpt {
    color: var(--text);
}

.post-more {
    margin-top: 10px;
}

.widget h2 {
    margin: 0 0 10px 0;
    font-size: 16px;
}

.widget ul {
    margin: 0;
    padding-left: 18px;
}

.site-footer {
    max-width: 1040px;
    margin: 24px auto 48px;
    padding: 0 16px;
    color: var(--muted);
}

@media (max-width: 900px) {
    .wrap {
        grid-template-columns: 1fr;
    }
}

.post-body img, .post-excerpt img {
    max-width: 100%;
    height: auto;
    display: block;
}