:root{--paper: #FBF8F2;--paper-2: #F5F0E6;--card: #FFFDF9;--ink: #211F1B;--ink-2: #5C574D;--ink-3: #8C8677;--line: #E4DCCC;--line-strong: #D3C8B2;--clay: #9C4A32;--clay-soft: #F2E2DA;--sage: #576653;--sage-soft: #E6EAE0;--danger: #A3372C;--serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", Georgia, serif;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: "SF Mono", ui-monospace, Menlo, monospace}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:.01em}h1{font-size:40px;line-height:1.34;margin:0}h2{font-size:24px;line-height:1.45;margin:0}h3{font-size:18px;margin:0}p{margin:0}.shell{max-width:760px;margin:0 auto;padding:0 24px}.narrow{max-width:620px;margin:0 auto;padding:0 24px}.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--clay);text-transform:uppercase}.muted{color:var(--ink-2)}.faint{color:var(--ink-3)}.small{font-size:13px}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.rule{height:1px;background:var(--line);border:0;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:14px;letter-spacing:.06em;padding:13px 26px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:2px;cursor:pointer;transition:opacity .18s ease,transform .18s ease}.btn:hover{opacity:.88}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.45;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn.ghost:hover{border-color:var(--ink)}.btn.sm{padding:7px 14px;font-size:13px;letter-spacing:.02em}.btn.clay{background:var(--clay);border-color:var(--clay)}.btn.block{width:100%}.field{width:100%;font:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:2px;background:var(--card);color:var(--ink);outline:none;transition:border-color .16s ease}.field:focus{border-color:var(--ink)}.field.code{font-family:var(--mono);font-size:17px;letter-spacing:.18em;text-align:center;text-transform:uppercase}.nav{display:flex;align-items:center;justify-content:space-between;padding:26px 0 0}.brand{font-family:var(--serif);font-size:16px;letter-spacing:.04em}.nav-links{display:flex;gap:22px;font-size:13px;color:var(--ink-2)}.nav-links a:hover{color:var(--ink)}.tag{display:inline-block;font-size:11px;letter-spacing:.1em;padding:3px 9px;border:1px solid var(--line-strong);border-radius:2px;color:var(--ink-2)}.panel{background:var(--card);border:1px solid var(--line);border-radius:3px;padding:26px}.fade-enter-active,.fade-leave-active{transition:opacity .22s ease}.fade-enter-from,.fade-leave-to{opacity:0}@media (max-width: 640px){h1{font-size:28px}h2{font-size:20px}.shell,.narrow{padding:0 18px}}