:root { –paper: #fbfaf7; –paper-2: #f3f1ea; –ink: #1c1b18; –ink-soft: #4a4742; –ink-faint: #8a857c; –line: #e2ddd2; –recover: #1f7a5c; /* 复原绿 */ –recover-soft: #e7f1ec; –warn: #b8742a; /* 警示琥珀 */ –warn-soft: #f7ecdd; –danger: #b4453a; –code-bg: #1e1e1e; –code-ink: #e6e6e6; –maxw: 860px; –serif: Georgia, “Songti SC”, “STSong”, “SimSun”, serif; –sans: -apple-system, BlinkMacSystemFont, “PingFang SC”, “Microsoft YaHei”, “Hiragino Sans GB”, sans-serif; –mono: “SF Mono”, “JetBrains Mono”, “Fira Code”, Consolas, Menlo, monospace; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(–paper); color: var(–ink); font-family: var(–sans); font-size: 17px; line-height: 1.78; -webkit-font-smoothing: antialiased; } .wrap { max-width: 1180px; margin: 0 auto; display: flex; gap: 48px; padding: 0 28px; } /* ===== 侧栏 TOC ===== */ aside { position: sticky; top: 0; align-self: flex-start; width: 250px; flex: 0 0 250px; height: 100vh; overflow-y: auto; padding: 34px 0 60px; border-right: 1px solid var(–line); font-size: 14px; } aside .toc-title { font-family: var(–serif); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(–ink-faint); margin: 0 0 16px; padding-left: 14px; } aside a { display: block; color: var(–ink-soft); text-decoration: none; padding: 6px 14px; border-left: 2px solid transparent; line-height: 1.45; transition: all .15s ease; } aside a:hover { color: var(–ink); background: var(–paper-2); } aside a.active { color: var(–recover); border-left-color: var(–recover); font-weight: 600; } aside a.sub { padding-left: 28px; font-size: 13px; } /* ===== 主文 ===== */ main { flex: 1 1 auto; min-width: 0; max-width: var(–maxw); padding: 40px 0 100px; } header.hero { border-bottom: 3px double var(–line); padding-bottom: 30px; margin-bottom: 38px; } .hero-kicker { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; letter-spacing: .1em; color: var(–recover); font-weight: 600; margin-bottom: 14px; text-transform: uppercase; } .hero-kicker svg { width: 22px; height: 22px; } h1 { font-family: var(–serif); font-weight: 700; font-size: 38px; line-height: 1.25; margin: 0 0 14px; letter-spacing: -.01em; } .hero-sub { font-size: 16px; color: var(–ink-soft); margin: 0; font-style: italic; } .lede { margin-top: 22px; padding: 18px 22px; background: var(–paper-2); border-left: 4px solid var(–recover); border-radius: 4px; font-size: 16px; color: var(–ink-soft); } .lede b { color: var(–ink); } h2 { font-family: var(–serif); font-size: 27px; font-weight: 700; margin: 56px 0 8px; padding-top: 18px; letter-spacing: -.01em; } h2 .num { color: var(–recover); font-style: italic; margin-right: 10px; } h3 { font-size: 19px; font-weight: 700; margin: 34px 0 6px; color: var(–ink); } h3 .tag { font-family: var(–mono); font-size: 12px; font-weight: 600; color: var(–recover); background: var(–recover-soft); padding: 2px 8px; border-radius: 4px; margin-right: 8px; vertical-align: 1px; } p { margin: 14px 0; } a.ref { color: var(–recover); text-decoration: none; border-bottom: 1px dotted var(–recover); } code { font-family: var(–mono); font-size: .88em; background: var(–paper-2); padding: 2px 6px; border-radius: 4px; color: #8a3b1f; } strong { color: var(–ink); } /* 原理小抄卡片 */ .cheat { background: var(–recover-soft); border: 1px solid #cfe3da; border-radius: 8px; padding: 16px 20px; margin: 18px 0; } .cheat h4 { margin: 0 0 8px; font-size: 15px; color: var(–recover); letter-spacing: .02em; } .cheat p { margin: 6px 0; font-size: 15.5px; } .callout { border-radius: 8px; padding: 14px 18px; margin: 18px 0; font-size: 15.5px; border: 1px solid; display: flex; gap: 12px; align-items: flex-start; } .callout .ico { font-weight: 700; font-family: var(–mono); flex: 0 0 auto; } .callout.warn { background: var(–warn-soft); border-color: #ecd2b0; color: #6e4517; } .callout.warn .ico { color: var(–warn); } .callout.danger { background: #f6e6e3; border-color: #e7c4bd; color: #7a2c24; } .callout.danger .ico { color: var(–danger); } /* 表格 */ .table-scroll { overflow-x: auto; margin: 20px 0; } table { border-collapse: collapse; width: 100%; font-size: 14.5px; min-width: 560px; } thead th { background: var(–ink); color: #f4f1e9; text-align: left; padding: 11px 13px; font-weight: 600; font-size: 13.5px; letter-spacing: .02em; white-space: nowrap; } tbody td { padding: 10px 13px; border-bottom: 1px solid var(–line); vertical-align: top; } tbody tr:nth-child(even) { background: var(–paper-2); } tbody tr:hover { background: var(–recover-soft); } td .tool { font-weight: 700; color: var(–recover); white-space: nowrap; } /* 代码块 */ .code-block { position: relative; margin: 18px 0; } .code-block pre { background: var(–code-bg); color: var(–code-ink); padding: 18px 20px; border-radius: 8px; overflow-x: auto; font-family: var(–mono); font-size: 13.5px; line-height: 1.7; margin: 0; } .code-block .copy { position: absolute; top: 10px; right: 10px; background: rgba(255,255,255,.12); color: #ddd; border: none; font-size: 12px; padding: 4px 10px; border-radius: 5px; cursor: pointer; font-family: var(–sans); } .code-block .copy:hover { background: rgba(255,255,255,.22); } .code-block .c { color: #7f8c8c; } /* 注释 */ .code-block .o { color: #f0a868; } /* 命令 */ .code-block .f { color: #8fd6b4; } /* 文件/路径 */ /* 决策树 */ .tree { margin: 22px 0; display: flex; flex-direction: column; gap: 0; } .tree-row { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: stretch; gap: 0; } .tree-trigger, .tree-tool { padding: 13px 16px; border-radius: 8px; font-size: 14.5px; } .tree-trigger { background: var(–paper-2); border: 1px solid var(–line); } .tree-tool { background: var(–recover-soft); border: 1px solid #cfe3da; font-weight: 600; color: var(–recover); } .tree-arrow { display: flex; align-items: center; justify-content: center; color: var(–ink-faint); font-size: 18px; font-family: var(–mono); } /* 分层图 */ .stack { margin: 24px 0; } .stack-row { display: flex; align-items: center; gap: 16px; padding: 14px 18px; border-radius: 8px; margin-bottom: 8px; color: #fff; font-weight: 600; } .stack-row .lv { font-family: var(–mono); font-size: 13px; opacity: .8; flex: 0 0 36px; } .stack-row .nm { font-size: 16px; } .stack-row .ds { font-weight: 400; font-size: 13.5px; opacity: .92; margin-left: auto; text-align: right; } /* 收口口诀 */ blockquote.closing { margin: 30px 0; padding: 20px 24px; background: var(–ink); color: #f1ede2; border-radius: 8px; font-family: var(–serif); font-size: 18px; line-height: 1.85; border-left: 5px solid var(–recover); } blockquote.closing p { margin: 6px 0; } footer.refs { margin-top: 50px; padding-top: 24px; border-top: 1px solid var(–line); font-size: 13.5px; color: var(–ink-faint); } footer.refs h3 { color: var(–ink-soft); font-size: 15px; } footer.refs ul { padding-left: 20px; margin: 8px 0; } footer.refs li { margin: 5px 0; } .colophon { margin-top: 30px; font-size: 12px; color: var(–ink-faint); text-align: center; } /* 移动端 */ .menu-btn { display: none; } @media (max-width: 920px) { .wrap { display: block; padding: 0 18px; } aside { position: fixed; top: 0; left: 0; z-index: 50; width: 260px; height: 100vh; background: var(–paper); transform: translateX(-100%); transition: transform .25s ease; box-shadow: 2px 0 12px rgba(0,0,0,.12); } aside.open { transform: translateX(0); } main { max-width: 100%; padding: 70px 0 80px; } .menu-btn { display: block; position: fixed; top: 12px; left: 12px; z-index: 60; background: var(–ink); color: #fff; border: none; border-radius: 6px; padding: 9px 14px; font-size: 14px; cursor: pointer; font-family: var(–sans); } h1 { font-size: 30px; } .tree-row { grid-template-columns: 1fr; gap: 6px; margin-bottom: 10px; } .tree-arrow { transform: rotate(90deg); height: 22px; } } ☰ 目录 // 复制按钮 document.querySelectorAll(‘.code-block .copy’).forEach(function(btn){ btn.addEventListener(‘click’, function(){ var code = btn.parentElement.querySelector(‘pre’).innerText; navigator.clipboard.writeText(code).then(function(){ btn.textContent = ‘已复制’; setTimeout(function(){ btn.textContent = ‘复制’; }, 1400); }); }); }); // 目录高亮 var links = Array.prototype.slice.call(document.querySelectorAll(‘#toc a’)); var sections = links.map(function(a){ return document.querySelector(a.getAttribute(‘href’)); }); var io = new IntersectionObserver(function(entries){ entries.forEach(function(e){ if(e.isIntersecting){ var id = ‘#’ + e.target.id; links.forEach(function(l){ l.classList.toggle(‘active’, l.getAttribute(‘href’) === id); }); } }); }, { rootMargin: ‘-10% 0px -75% 0px’, threshold: 0 }); sections.forEach(function(s){ if(s) io.observe(s); }); // 移动端目录 var menuBtn = document.querySelector(‘.menu-btn’); var toc = document.getElementById(‘toc’); menuBtn.addEventListener(‘click’, function(){ toc.classList.toggle(‘open’); }); toc.querySelectorAll(‘a’).forEach(function(a){ a.addEventListener(‘click’, function(){ toc.classList.remove(‘open’); }); });