*{box-sizing:border-box}
:root{--bg:#f7f5f2;--fg:#2b2b2b;--muted:#777;--line:#e6e2dc;--accent:#3a5a40}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.85 -apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC',sans-serif}
.wrap{max-width:820px;margin:0 auto;padding:0 1.2rem}
.site-header{border-bottom:1px solid var(--line);background:#fff}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;padding-top:1rem;padding-bottom:1rem}
.brand{font-size:1.15rem;font-weight:700;letter-spacing:.04em}
.brand a{color:var(--fg);text-decoration:none}
.brand .subtitle{display:block;font-size:.78rem;color:var(--muted);font-weight:400;margin-top:.15rem}
.site-header nav{display:flex;gap:1.1rem;font-size:.92rem}
.site-header nav a{color:var(--muted);text-decoration:none;padding:.2rem 0}
.site-header nav a:hover,.site-header nav a.active{color:var(--accent);border-bottom:2px solid var(--accent)}
main{padding:2rem 0 3rem}
.intro h1{font-size:1.7rem;margin:.2rem 0 .6rem}
.intro p{color:var(--muted)}
.section-title{border-bottom:1px solid var(--line);padding-bottom:.5rem;font-size:1.2rem}
.post-item{margin:1.4rem 0}
.post-item h2{font-size:1.15rem;margin:0 0 .3rem}
.post-item h2 a{color:var(--fg);text-decoration:none}
.post-item h2 a:hover{color:var(--accent)}
.meta{font-size:.82rem;color:var(--muted)}
.meta a{color:var(--muted);text-decoration:none}
.meta a:hover{color:var(--accent)}
.post-item p{color:#444;margin:.4rem 0 0}
.more{margin-top:1.5rem}
.post h1{font-size:1.6rem;margin:.2rem 0 .5rem}
.post p{margin:.9rem 0}
.back{margin-top:2rem;color:var(--muted)}
.arch-year{margin:1.2rem 0}
.arch-year h2{font-size:1.1rem;color:var(--accent)}
.arch-year ul{list-style:none;padding:0;margin:.4rem 0}
.arch-year li{padding:.18rem 0}
.arch-year time{color:var(--muted);font-size:.85rem;margin-right:.6rem}
h2[id]{scroll-margin-top:1rem}
.site-footer{border-top:1px solid var(--line);background:#fff}
.site-footer p{font-size:.82rem;color:var(--muted);padding:.9rem 0;margin:0}
@media (max-width:640px){.site-header .wrap{flex-direction:column;align-items:flex-start;gap:.6rem}}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:1rem;margin:1.2rem 0}
.g-item{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;text-decoration:none;color:var(--fg)}
.g-item img{width:100%;height:auto;display:block}
.g-item span{display:block;padding:.5rem .6rem;font-size:.85rem;color:var(--muted)}
.g-item figcaption{padding:.5rem .6rem;font-size:.85rem;color:var(--muted)}
.g-item figcaption time{display:block;font-size:.75rem;margin-top:.15rem}
.gallery-teaser{margin-bottom:2rem}
.download-teaser{margin-top:2.4rem}
.post-figure{margin:1.4rem 0;text-align:center}
.post-figure img{max-width:100%;border-radius:8px}
.post-figure figcaption{font-size:.8rem;color:var(--muted);margin-top:.4rem}
.dl-item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:1rem 1.2rem;margin:1.2rem 0}
.dl-item h2{margin:.2rem 0 .4rem;font-size:1.2rem}
.ver{font-size:.8rem;color:var(--accent);font-weight:400;margin-left:.3rem}
.dl-table{width:100%;border-collapse:collapse;font-size:.85rem;margin:.8rem 0}
.dl-table th,.dl-table td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left;vertical-align:top}
.dl-table th{background:#faf8f5}
.dl-table code{font-size:.75rem;word-break:break-all}
.dl-item details{margin-top:.4rem}
.dl-item pre{background:#fafafa;border:1px solid var(--line);border-radius:6px;padding:.8rem;overflow:auto;font-size:.78rem}