:root{--theme-color: #7f93bd;--base-background-color: #111318;--base-color: #d4d8e0;--muted-color: #aab2c3;--heading-color: #eef1f6;--strong-color: #f0f3f8;--link-color: #9aabd2;--link-color-hover: #c0c9df;--surface-color: #151820;--border-color: rgba(255, 255, 255, .08);--code-background: #171a21;--blockquote-background: rgba(255, 255, 255, .025);--container-width: 1280px;color-scheme:dark}*{box-sizing:border-box}html{background:var(--base-background-color)}body{min-width:320px;min-height:100vh;margin:0;color:var(--base-color);background:var(--base-background-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica Neue,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;letter-spacing:0}a{color:var(--link-color);text-decoration:none}a:hover{color:var(--link-color-hover);text-decoration:underline}.site-shell{width:min(100% - 48px,var(--container-width));margin:0 auto}.site-header{border-bottom:1px solid rgba(255,255,255,.06);background:#0d0f14}.header-inner{min-height:60px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content;color:var(--heading-color);font-size:16px;font-weight:600}.brand img{width:30px;height:30px;object-fit:contain}.primary-nav{min-width:0;display:flex;flex-wrap:wrap;justify-content:center;gap:4px 18px}.primary-nav a,.github-link{color:var(--muted-color);font-size:14px;line-height:1.5}.github-link{min-width:max-content}.mobile-nav{display:none}.site-main{min-height:calc(100vh - 121px)}.content-shell{padding:56px 0 88px}.page-reading{max-width:900px}.page-system{max-width:980px}.page-archive{max-width:var(--container-width)}.markdown-body{line-height:1.82;font-size:16px}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{color:var(--heading-color);font-weight:600;letter-spacing:.01em}.markdown-body h1{margin:0 0 1.8rem;font-size:2.05rem;line-height:1.28}.markdown-body h2{margin:3rem 0 1.1rem;padding-bottom:.35rem;border-bottom:1px solid var(--border-color);font-size:1.45rem;line-height:1.35}.markdown-body h3{margin:2.2rem 0 .8rem;font-size:1.15rem;line-height:1.45}.markdown-body p,.markdown-body ul,.markdown-body ol{margin:1.05em 0}.markdown-body li+li{margin-top:.2em}.markdown-body strong{color:var(--strong-color);font-weight:600}.markdown-body blockquote{margin:1.6em 0;padding:.85em 1.15em;color:#aeb6c5;background:var(--blockquote-background);border-left:3px solid #3c4352;border-radius:4px}.markdown-body blockquote p{margin:.45em 0}.markdown-body pre{margin:1.5em 0;padding:1.05em 1.2em;overflow-x:auto;background:var(--code-background)!important;border:1px solid rgba(255,255,255,.06);border-radius:6px}.markdown-body code{border-radius:4px;font-size:.94em}.markdown-body :not(pre)>code{padding:.15em .35em;color:#d7dce5;background:var(--code-background)}.markdown-body table{display:block;width:100%;margin:1.6em 0;overflow-x:auto;border-collapse:collapse;font-size:.95em}.markdown-body th,.markdown-body td{padding:.65em .85em;border:1px solid var(--border-color)}.markdown-body hr{margin:2.2rem 0;border:0;border-top:1px solid var(--border-color)}.markdown-body img{max-width:100%;height:auto}.xvort-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin:24px 0}.site-footer{border-top:1px solid rgba(255,255,255,.06);color:#858d9e;background:#0d0f14;font-size:13px;text-align:center}.site-footer .site-shell{padding:20px 0}@media(max-width:860px){.site-shell{width:min(100% - 32px,var(--container-width))}.header-inner{min-height:0;grid-template-columns:1fr auto;gap:12px 16px;padding:14px 0 12px}.primary-nav{display:none}.github-link{grid-column:2;grid-row:1}.mobile-nav{grid-column:1 / -1;display:block;color:var(--muted-color);font-size:14px}.mobile-nav summary{width:max-content;cursor:pointer;list-style:none;line-height:1.5}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary:after{content:"+";display:inline-block;margin-left:8px;color:#858d9e}.mobile-nav[open] summary:after{content:"-"}.mobile-nav nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px}.mobile-nav a{color:var(--muted-color);font-size:14px;line-height:1.5}.content-shell{padding:36px 0 64px}.markdown-body{font-size:15.5px;line-height:1.78}.markdown-body h1{font-size:1.75rem}.markdown-body h2{margin-top:2.4rem;font-size:1.28rem}.xvort-grid{grid-template-columns:1fr;gap:18px}}@media(max-width:480px){.site-shell{width:min(100% - 28px,var(--container-width))}.brand{font-size:15px}.brand img{width:28px;height:28px}.primary-nav a,.github-link{font-size:13.5px}.content-shell{padding-top:30px}.markdown-body{font-size:15px}}