@font-face{font-family:Songti SC;src:local(Songti SC),local(STSong),local(SimSun);font-display:swap}:root{--paper-primary:#f8f5d7;--paper-secondary:#f2eec8;--paper-tertiary:#e6e0b0;--ink-primary:#1a1a1a;--ink-secondary:#2d2d2d;--ink-tertiary:#5a5a5a;--ink-quaternary:#666;--cinnabar-primary:#c8302c;--cinnabar-light:#e64a3e;--cinnabar-pale:#fbece8;--gold-primary:#b8860b;--gold-light:#d4a84b;--font-serif-cn:"Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;--font-serif-en:"Crimson Pro", "Georgia", "Times New Roman", serif;--font-mono:"JetBrains Mono", "SF Mono", "Monaco", "Consolas", monospace;--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;--text-xs:clamp(.75rem, 1.5vw, .875rem);--text-sm:clamp(.875rem, 1.75vw, 1rem);--text-base:clamp(1rem, 2vw, 1.125rem);--text-lg:clamp(1.125rem, 2.25vw, 1.25rem);--text-xl:clamp(1.25rem, 2.5vw, 1.5rem);--text-2xl:clamp(1.5rem, 3vw, 2rem);--text-3xl:clamp(1.875rem, 3.75vw, 2.5rem);--text-4xl:clamp(2.25rem, 4.5vw, 3rem);--leading-tight:1.4;--leading-normal:1.6;--leading-relaxed:1.8;--leading-loose:2;--tracking-tight:-.02em;--tracking-normal:.02em;--tracking-wide:.05em;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--container-sm:40ch;--container-md:75ch;--container-lg:90ch;--container-xl:100ch;--sidebar-width:280px;--radius-sm:2px;--radius-md:4px;--radius-lg:8px;--radius-xl:12px;--radius-full:9999px;--shadow-xs:0 1px 2px #1a1a1a0a;--shadow-sm:0 1px 3px #1a1a1a0f;--shadow-md:0 4px 8px #1a1a1a14;--shadow-lg:0 8px 24px #1a1a1a1a;--shadow-xl:0 16px 48px #1a1a1a1f;--shadow-page:0 2px 8px #1a1a1a14, 0 0 1px #1a1a1a1a;--shadow-book:0 4px 16px #1a1a1a24, 0 1px 4px #1a1a1a14;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal:400;--z-popover:500;--z-tooltip:600;--space-xs:var(--space-1);--space-sm:var(--space-2);--space-md:var(--space-4);--space-lg:var(--space-6);--space-xl:var(--space-8);--space-2xl:var(--space-12);--space-3xl:var(--space-16);--space-4xl:var(--space-24);--ink:var(--ink-primary);--ink-soft:var(--ink-secondary);--paper:var(--paper-primary);--vermilion:var(--cinnabar-primary);--vermilion-light:var(--cinnabar-light);--content-xl:1200px}:root.dark-mode{--paper-primary:#1c1a0e;--paper-secondary:#252218;--paper-tertiary:#302c1c;--ink-primary:#e8e6e3;--ink-secondary:#d4d2ce;--ink-tertiary:#a8a6a2;--ink-quaternary:#787672;--cinnabar-pale:#3d1f1e}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;text-size-adjust:100%;font-size:16px}body{font-family:var(--font-serif-cn);font-size:var(--text-base);line-height:var(--leading-relaxed);color:var(--ink-primary);background-color:var(--paper-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"kern" 1, "liga" 1;overflow-x:hidden}::selection{background-color:var(--cinnabar-pale);color:var(--ink-primary)}a{color:var(--cinnabar-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--cinnabar-light)}img,video,svg,canvas{max-width:100%;height:auto;display:block}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--ink-quaternary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--ink-tertiary)}:focus-visible{outline:2px solid var(--cinnabar-primary);outline-offset:2px}.prose{max-width:var(--container-md);margin-left:auto;margin-right:auto}.prose p{margin-bottom:var(--space-4)}.prose p:last-child{margin-bottom:0}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif-cn);font-weight:600;line-height:var(--leading-tight);color:var(--ink-primary)}h1{font-size:var(--text-4xl);letter-spacing:-.02em}h2{font-size:var(--text-3xl);letter-spacing:-.01em}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}.text-lead{font-size:var(--text-lg);color:var(--ink-tertiary)}.text-muted{color:var(--ink-quaternary)}.text-small{font-size:var(--text-sm)}.text-caption{font-size:var(--text-xs);color:var(--ink-quaternary)}code{font-family:var(--font-mono);background-color:var(--paper-tertiary);border-radius:var(--radius-sm);color:var(--cinnabar-primary);padding:.2em .4em;font-size:.9em}pre{font-family:var(--font-mono);font-size:var(--text-sm);color:#eceff1;padding:var(--space-6);border-radius:var(--radius-lg);margin:var(--space-8) 0;box-shadow:var(--shadow-md);background-color:#263238;line-height:1.7;overflow-x:auto}pre code{color:inherit;font-size:inherit;background:0 0;padding:0}blockquote{margin:var(--space-8) 0;padding:var(--space-5) var(--space-6);border-left:4px solid var(--cinnabar-primary);background-color:var(--cinnabar-pale);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--ink-tertiary);font-style:italic}hr{border:none;border-top:1px solid var(--paper-tertiary);margin:var(--space-12) 0}ul,ol{margin-bottom:var(--space-4);padding-left:var(--space-6)}li{margin-bottom:var(--space-2)}table{border-collapse:collapse;width:100%;margin:var(--space-8) 0;font-size:var(--text-base)}th,td{padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid var(--paper-tertiary)}th{color:var(--ink-primary);background-color:var(--paper-secondary);font-weight:600}tr:last-child td{border-bottom:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes drawLine{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.container{width:100%;max-width:var(--container-md);padding-left:var(--space-6);padding-right:var(--space-6);margin-left:auto;margin-right:auto}.skip-to-content{z-index:9999;background:var(--ink-primary);color:var(--paper-primary);font-family:var(--font-serif-cn);font-size:var(--text-sm);border-radius:0 0 var(--radius-md) var(--radius-md);padding:.75em 1.5em;text-decoration:none;transition:top .2s;position:absolute;top:-100%;left:50%;transform:translate(-50%)}.skip-to-content:focus{top:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:root.font-size-s{--text-base:clamp(.875rem, 1.75vw, 1rem);--text-lg:clamp(1rem, 2vw, 1.125rem)}:root.font-size-l{--text-base:clamp(1.125rem, 2.25vw, 1.25rem);--text-lg:clamp(1.25rem, 2.5vw, 1.375rem)}@media (width<=768px){:root{--sidebar-width:100%}.container{padding-left:var(--space-4);padding-right:var(--space-4)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}html{scroll-behavior:auto}}:root.dark-mode .prompt-block{background:var(--paper-secondary);border-color:var(--paper-tertiary)}:root.dark-mode .prompt-header{border-bottom-color:var(--paper-tertiary);background:#f5f0e808}:root.dark-mode .copy-btn,:root.dark-mode .claude-btn{color:var(--ink-tertiary);border-color:#f5f0e826}:root.dark-mode .copy-btn:hover,:root.dark-mode .claude-btn:hover{background:#f5f0e80f;border-color:#f5f0e840}:root.dark-mode .prompt-content table.prompt-table th,:root.dark-mode .prompt-content table.prompt-table td{border-color:var(--paper-tertiary)}:root.dark-mode .prompt-content table.prompt-table th{background:#f5f0e80a}:root.dark-mode .prompt-content hr.prompt-hr{border-top-color:var(--paper-tertiary)}:root.dark-mode .prompt-content code.prompt-inline-code{background:#f5f0e81a}@media print{body:before{display:none}a{color:var(--ink-primary);text-decoration:underline}}