:root{--bg:#fbf9f6;--side:#f4efe9;--ink:#27262b;--dim:#6b6770;--line:#e4ddd4;--acc:#0b6e69;--acc-soft:#e3f1ef;--warn:#b4541a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.side-bar{position:fixed;top:0;left:0;bottom:0;width:272px;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto;z-index:10}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
.site-title{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.site-title small{display:block;font-size:12px;font-weight:400;color:var(--dim);letter-spacing:0}
#menu-button{display:none;background:none;border:1px solid var(--line);border-radius:6px;font-size:18px;padding:2px 10px;cursor:pointer}
.site-nav{padding:14px 0;flex:1}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:7px 24px;color:var(--ink);font-size:15px}
.site-nav a:hover{background:rgba(0,0,0,.04);text-decoration:none}
.site-nav a.active{font-weight:700;color:var(--acc);box-shadow:inset 3px 0 0 var(--acc);background:rgba(11,110,105,.06)}
.site-nav .group{padding:16px 24px 4px;font-size:12px;color:var(--dim);letter-spacing:1.5px}
.site-nav .sub a{padding-left:40px;font-size:14px;color:var(--dim)}
.site-footer{padding:16px 24px;font-size:12px;color:var(--dim);border-top:1px solid var(--line)}
.main{margin-left:272px}
.main-content{max-width:820px;padding:40px 48px 80px}
h1{font-size:32px;line-height:1.3;margin:0 0 8px;font-weight:700}
h2{font-size:22px;margin:44px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
h3{font-size:17px;margin:28px 0 8px}
.lead{color:var(--dim);font-size:17px;margin:0 0 24px}
.hero{text-align:center;padding:16px 0 28px}
.hero svg{width:300px;max-width:80%;height:auto}
.hero .wordmark{font-size:40px;font-weight:800;letter-spacing:2px;margin-top:6px}
.hero .tagline{color:var(--dim);font-size:18px;margin:4px 0 0}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:15px;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}
th{background:var(--side);font-weight:600;white-space:nowrap}
td:first-child,td:nth-child(2){white-space:nowrap}
code{background:#efe9e1;padding:1px 6px;border-radius:4px;font:14px "SF Mono",Menlo,Consolas,monospace}
pre{background:#27262b;color:#f4efe9;padding:14px 18px;border-radius:8px;overflow-x:auto}
pre code{background:none;padding:0;color:inherit}
.note{background:var(--acc-soft);border-left:4px solid var(--acc);padding:12px 16px;border-radius:0 6px 6px 0;margin:16px 0}
.todo{background:#fbeee2;border-left:4px solid var(--warn);padding:12px 16px;border-radius:0 6px 6px 0;margin:16px 0;color:#6b3a16}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:9px 20px;border-radius:6px;font-weight:600;margin:6px 8px 6px 0}
.btn:hover{text-decoration:none;opacity:.9}
.btn.ghost{background:none;color:var(--acc);border:1px solid var(--acc)}
.tag{display:inline-block;font-size:12px;padding:1px 9px;border-radius:99px;background:var(--acc-soft);color:var(--acc);margin-left:6px;vertical-align:middle}
.pager{display:flex;justify-content:space-between;margin-top:56px;padding-top:16px;border-top:1px solid var(--line);font-size:15px}
@media(max-width:800px){.side-bar{position:static;width:auto;border-right:0;border-bottom:1px solid var(--line)}.site-nav,.site-footer{display:none}.side-bar.open .site-nav{display:block}#menu-button{display:block}.main{margin-left:0}.main-content{padding:24px 20px 60px}.hero .wordmark{font-size:30px}}