:root { --ink: #1a1a1a; --muted: #6b6b6b; --line: #e5e5e5; --accent: #0f62fe; --bg: #ffffff; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Georgia, 'Times New Roman', serif; color: var(--ink); background: var(--bg); line-height: 1.7; }
.wrap { max-width: 720px; margin: 0 auto; padding: 3rem 1.25rem; }
header.site { border-bottom: 1px solid var(--line); padding-bottom: 1.5rem; margin-bottom: 2.5rem; }
header.site .name { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.02em; font-family: Helvetica, Arial, sans-serif; }
header.site .tag { color: var(--muted); font-size: 0.95rem; margin-top: 0.3rem; font-family: Helvetica, Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.post-list article { padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.post-list h2 { font-size: 1.35rem; line-height: 1.3; margin-bottom: 0.4rem; }
.post-list h2 a { color: var(--ink); }
.post-list .meta { color: var(--muted); font-size: 0.85rem; font-family: Helvetica, Arial, sans-serif; }
.post-list p.excerpt { margin-top: 0.5rem; color: #333; }
.article h1 { font-size: 2rem; line-height: 1.25; margin-bottom: 0.6rem; }
.article .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; font-family: Helvetica, Arial, sans-serif; }
.article h2 { font-size: 1.4rem; margin: 2rem 0 0.8rem; }
.article h3 { font-size: 1.15rem; margin: 1.5rem 0 0.6rem; }
.article p { margin-bottom: 1.1rem; }
.article ul, .article ol { margin: 0 0 1.1rem 1.4rem; }
.article table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: 0.95rem; }
.article th, .article td { border: 1px solid var(--line); padding: 0.5rem 0.7rem; text-align: left; }
.article blockquote { border-left: 3px solid var(--line); padding-left: 1rem; color: var(--muted); margin: 1.2rem 0; }
footer.site { border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.2rem; color: var(--muted); font-size: 0.85rem; font-family: Helvetica, Arial, sans-serif; }