:root{--ink: #1a1613;--ink-soft: #4a433c;--paper: #f4efe6;--paper-deep: #ebe3d4;--card: #fffcf7;--line: #d9cbb8;--cinnabar: #9e1b32;--cinnabar-deep: #7c1427;--gold: #c4a574;--pine: #1f4d45;--pine-soft: #d7ebe4;--focus: #9e1b32;--danger: #9e1b32;--shadow: 0 10px 30px rgba(26, 22, 19, .08);--radius: 18px;--header-h: 76px;--sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;--serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}body{background-image:radial-gradient(circle at top left,rgba(158,27,50,.06),transparent 28%),linear-gradient(180deg,#f7f2ea 0%,var(--paper) 180px)}#root{min-height:100vh}a{color:var(--cinnabar);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--cinnabar-deep)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.skip-link{position:absolute;left:12px;top:-48px;z-index:20;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px}.skip-link:focus{top:12px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.code-copy-row{display:flex;justify-content:flex-end;margin-bottom:8px}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;min-height:var(--header-h);padding:12px 20px;background:#f4efe6eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;color:inherit;text-decoration:none;min-width:0}.brand__seal{width:44px;height:44px;flex:0 0 auto;filter:drop-shadow(0 4px 8px rgba(158,27,50,.18))}.brand__text{display:flex;flex-direction:column;min-width:0}.brand__name{font-family:var(--serif);font-size:22px;line-height:1.1;letter-spacing:.08em}.brand__tag{color:var(--ink-soft);font-size:12px}.header-search{flex:1;min-width:0}.search-field{display:flex;align-items:center;gap:8px;width:100%;min-height:44px;padding:0 14px;background:var(--card);border:1px solid var(--line);border-radius:999px;box-shadow:inset 0 1px #ffffffb3}.search-field input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit}.search-field input:focus{outline:none}.header-actions{display:flex;gap:8px;flex:0 0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 14px;border-radius:999px;border:1px solid transparent;background:var(--cinnabar);color:#fff;font:inherit;cursor:pointer;white-space:nowrap}.btn:hover{background:var(--cinnabar-deep)}.btn--ghost{background:var(--card);color:var(--ink);border-color:var(--line)}.btn--ghost:hover{background:var(--paper-deep)}.btn--small{min-height:36px;padding:6px 12px;font-size:14px}.page{width:min(1180px,calc(100% - 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