/* Unified blue-white reading interface, 2026-10 */
:root{--bg:#fff;--surface:#f5f8fc;--ink:#17253b;--muted:#53657d;--line:#dce4ef;--accent:#1d4ed8;--soft:#eaf1ff;color-scheme:light}
:root[data-theme=dark]{--bg:#111a29;--surface:#192538;--ink:#e6edf7;--muted:#aabbd1;--line:#34435a;--accent:#91b6ff;--soft:#243b60;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button{border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--ink);padding:7px 12px;min-height:42px}button:hover{background:var(--soft)}.wrap{max-width:1240px;margin:auto;padding:0 40px}.site-header{border-bottom:1px solid var(--line)}.inner{display:flex;align-items:center;gap:28px;min-height:88px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:24px;font-weight:700;white-space:nowrap}.mark{display:grid;place-items:center;width:38px;height:38px;background:#1d4ed8;color:#fff;border-radius:5px;font-size:21px}.nav{display:flex;gap:24px;margin-left:auto;align-items:center}.nav a{color:var(--muted);font-size:15px}.nav .current{color:var(--accent);font-weight:600}.theme-toggle{margin-left:auto;white-space:nowrap;font-size:14px}.layout{display:grid;grid-template-columns:252px minmax(0,1fr);gap:64px;padding:44px 0 64px;align-items:start}.site-main{min-width:0;grid-column:2;grid-row:1}.site-sidebar{grid-column:1;grid-row:1;min-width:0;border-right:1px solid var(--line);padding-right:28px}.widget{margin-bottom:32px}.avatar{border-radius:50%;object-fit:cover;display:block;width:72px;height:72px}.profile-name{font-size:20px;margin:16px 0 6px}.profile-desc{font-size:14px;color:var(--muted);margin:0;line-height:1.8}.widget-title{font-size:14px;font-weight:600;margin:0 0 12px;color:var(--muted)}.widget-list,.stat-list{list-style:none;padding:0;margin:0}.widget-list li a{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 10px;color:var(--ink);font-size:14px;border-radius:4px}.widget-list li.on a,.widget-list a:hover{background:var(--soft);color:var(--accent);text-decoration:none}.count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.tag-cloud{display:flex;gap:8px 16px;flex-wrap:wrap}.tag-cloud a{font-size:13px;color:var(--muted)}.tag-cloud .count{margin-left:5px}.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;font-size:13px;color:var(--muted)}.stat-list li{display:flex;justify-content:space-between;gap:10px}.stat-list b{font-weight:500;color:var(--ink)}.post-item{padding:0 0 30px;margin:0 0 30px;border-bottom:1px solid var(--line)}.post-item-title{font-size:25px;line-height:1.45;margin:0 0 10px;letter-spacing:-.3px}.post-item-title a{color:var(--ink)}.post-item-title a:hover{color:var(--accent)}.post-item-meta,.post-meta{font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}.post-item-meta a,.post-meta a{color:var(--muted)}.post-item-excerpt{color:var(--muted);margin-top:14px;font-size:15px;line-height:1.9;overflow-wrap:anywhere}.archive-title{font-size:28px;line-height:1.4;margin:0 0 32px}.post-title{font-size:clamp(28px,3vw,38px);line-height:1.4;margin:0 0 14px}.post-content{margin-top:32px;line-height:1.95;overflow-wrap:anywhere;max-width:75ch}.post-content h2{font-size:25px;margin-top:36px}.post-content h3{font-size:20px}.post-content img,.post-content video{max-width:100%;height:auto}.post-content pre{background:var(--surface);border:1px solid var(--line);padding:20px;overflow:auto;font-size:14px}.post-content code{background:var(--surface);padding:2px 4px}.post-content pre code{padding:0}.post-content blockquote{margin:24px 0;padding:16px 22px;background:var(--surface);color:var(--muted);border:1px solid var(--line)}.post-content table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.post-content th,.post-content td{border:1px solid var(--line);padding:8px 14px}.post-near{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:40px;font-size:14px}.pager ul{display:flex;list-style:none;padding:0;gap:8px}.pager a,.pager span{display:block;padding:6px 12px;border:1px solid var(--line);border-radius:4px}.site-footer{border-top:1px solid var(--line);padding:24px 0 32px;color:var(--muted);font-size:13px}.foot-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.foot-links{display:flex;gap:12px;flex-wrap:wrap}.site-footer a{color:var(--muted)}.side-toggle,.drawer-close{display:none}.drawer-backdrop{position:fixed;inset:0;background:rgba(9,19,36,.55);z-index:1000;border:0;border-radius:0;padding:0}.drawer-backdrop[hidden]{display:none}.skip-link{position:fixed;top:-100px;left:20px;z-index:1100;background:var(--bg);padding:10px}.skip-link:focus{top:10px}
@media(max-width:900px){.wrap{padding:0 22px}.inner{gap:12px;min-height:76px;flex-wrap:wrap;padding:14px 0}.brand{font-size:21px;flex:1}.mark{width:32px;height:32px;font-size:18px}.nav{order:3;flex-basis:100%;gap:24px;overflow:auto;margin:0;padding-top:4px}.theme-toggle{margin-left:0;font-size:13px;padding:6px 9px}.side-toggle{display:block;font-size:13px;padding:6px 10px}.layout{display:block;padding-top:28px}.site-sidebar{display:none;position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:var(--bg);padding:24px;overflow-y:auto;border-right:1px solid var(--line);z-index:1001}.drawer-open .site-sidebar{display:block}.drawer-open{overflow:hidden}.drawer-close{display:block;margin:0 0 20px auto}.post-item-title{font-size:23px}.post-item{padding-bottom:26px;margin-bottom:26px}.foot-row{display:block}.foot-links{margin-top:10px}.post-near{flex-direction:column}.site-main{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}