.orange-mark[data-v-41932d8c]{display:block;flex-shrink:0}.site-header[data-v-e1cf90dc]{background:var(--header-bg);position:sticky;top:0;z-index:100;box-shadow:0 2px 6px #00000026}.header-inner[data-v-e1cf90dc]{display:flex;align-items:center;height:56px;gap:20px}.logo[data-v-e1cf90dc]{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:18px;white-space:nowrap}.logo[data-v-e1cf90dc]:hover{color:#fff}.logo-mark[data-v-e1cf90dc]{transition:transform .2s ease}.logo:hover .logo-mark[data-v-e1cf90dc]{transform:rotate(-8deg) scale(1.06)}.nav[data-v-e1cf90dc]{display:flex;gap:4px;flex:1;overflow:hidden}.nav-item[data-v-e1cf90dc]{color:#cfd8dc;padding:6px 12px;border-radius:4px;white-space:nowrap;font-size:15px}.nav-item[data-v-e1cf90dc]:hover,.nav-item.router-link-exact-active[data-v-e1cf90dc]{color:#fff;background:#ffffff1a}.search-box[data-v-e1cf90dc]{display:flex;background:#fff;border-radius:4px;overflow:hidden}.search-box input[data-v-e1cf90dc]{border:none;outline:none;padding:6px 10px;width:160px;font-size:14px}.search-box button[data-v-e1cf90dc]{border:none;background:var(--primary);color:#fff;padding:0 12px;cursor:pointer}@media (max-width: 900px){.nav[data-v-e1cf90dc]{display:none}.search-box input[data-v-e1cf90dc]{width:110px}}.site-footer[data-v-b41f4c33]{background:#2b3a42;color:#b0bec5;padding:24px 0;margin-top:40px;text-align:center;font-size:13px}.footer-links a[data-v-b41f4c33]{color:#cfd8dc;margin:0 6px}.footer-links span[data-v-b41f4c33]{color:#607d8b}.copyright[data-v-b41f4c33],.beian[data-v-b41f4c33]{margin:8px 0 0}.beian a[data-v-b41f4c33]{color:#90a4ae}.app{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1}.fade-enter-active,.fade-leave-active{transition:opacity .2s ease}.fade-enter-from,.fade-leave-to{opacity:0}:root{--primary: #4CAF50;--primary-dark: #43a047;--primary-light: #e8f5e9;--header-bg: #2b3a42;--text: #333;--text-light: #666;--text-muted: #999;--border: #e6e6e6;--bg: #f5f6f7;--link: #337ab7;--radius: 6px;--shadow: 0 1px 4px rgba(0, 0, 0, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}a{color:var(--link);text-decoration:none}a:hover{color:var(--primary)}.container{max-width:1200px;margin:0 auto;padding:0 16px}.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:8px 18px;border-radius:var(--radius);cursor:pointer;font-size:14px;transition:background .2s}.btn:hover{background:var(--primary-dark)}.btn[disabled]{background:#bbb;cursor:not-allowed}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.tag{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:1px 8px;border-radius:3px;font-size:12px;margin-right:6px}.difficulty{font-size:12px;padding:1px 8px;border-radius:3px}.difficulty.入门{background:#e3f2fd;color:#1976d2}.difficulty.进阶{background:#fff3e0;color:#ef6c00}.difficulty.高级{background:#fce4ec;color:#c2185b}.layout{display:flex;gap:20px;padding:20px 0;align-items:flex-start}.layout .sidebar{width:240px;flex-shrink:0;position:sticky;top:76px}.layout .main{flex:1;min-width:0}@media (max-width: 900px){.layout{flex-direction:column}.layout .sidebar{width:100%;position:static}}.markdown-body h1{font-size:26px;border-bottom:2px solid var(--primary);padding-bottom:8px}.markdown-body h2{font-size:21px;border-left:4px solid var(--primary);padding-left:10px;margin-top:28px}.markdown-body h3{font-size:18px}.markdown-body p{margin:14px 0}.markdown-body code{background:#f3f3f3;padding:2px 6px;border-radius:3px;font-family:SFMono-Regular,Consolas,monospace;font-size:90%;color:#c7254e}.markdown-body pre{background:#f6f8fa;padding:16px;border-radius:var(--radius);overflow-x:auto;border:1px solid var(--border)}.markdown-body pre code{background:none;color:inherit;padding:0}.markdown-body blockquote{border-left:4px solid var(--primary);background:var(--primary-light);margin:16px 0;padding:8px 16px;color:var(--text-light)}.markdown-body table{border-collapse:collapse;width:100%;margin:16px 0}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:8px 12px}.markdown-body th{background:var(--primary-light)}.markdown-body img{max-width:100%}.markdown-body a{color:var(--link)}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub
  Description: Light theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-light
  Current colors taken from GitHub's CSS
*/.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}
