:root{--wisp-fog-blue:#7b8fb5;--wisp-fog-blue-hover:#6a7da0;--wisp-fog-blue-soft:#e8edf5;--bg-primary:#fafaf8;--bg-secondary:#fff;--text-primary:#0a0a0a;--text-secondary:#555;--text-tertiary:#999;--border-light:#e8e6e1;--bg-dark:#0f0f10;--bg-dark-card:#1a1a1c;--border-dark:#2a2a2c;--text-dark-primary:#fff;--text-dark-secondary:#aaa;--text-dark-tertiary:#777;--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,Consolas,"Courier New",monospace;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:40px;--space-6:48px;--space-7:56px;--space-8:64px;--space-10:80px;--space-12:96px;--space-16:128px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition-fast:.15s;--transition-base:.2s;--transition-slow:.32s;--shadow-sm:0 1px 3px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(0,0,0,.06);--shadow-lg:0 8px 24px rgba(0,0,0,.08);--shadow-dramatic:0 30px 80px -20px rgba(0,0,0,.55),0 8px 24px -4px rgba(0,0,0,.35);--focus-ring:0 0 0 3px rgba(123,143,181,.4);--focus-ring-dark:0 0 0 3px rgba(123,143,181,.55);--fog-bloom-top:radial-gradient(ellipse 60% 50% at 85% 10%,rgba(123,143,181,.14),transparent 60%);--fog-bloom-bottom:radial-gradient(ellipse 45% 40% at 15% 90%,rgba(123,143,181,.09),transparent 65%);--fog-bloom-dark:radial-gradient(ellipse 65% 45% at 50% 0%,rgba(123,143,181,.18),transparent 70%)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh}a{color:inherit;text-decoration:none}img{display:block;height:auto;max-width:100%}button{background:none;border:none;cursor:pointer;font-family:inherit}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:-.01em;line-height:1.3}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{color:var(--text-secondary)}.container{margin:0 auto;max-width:1200px;padding:0 var(--space-3)}.text-fog-blue{color:var(--wisp-fog-blue)}.fade-in{opacity:0;transform:translateY(16px);transition:opacity var(--transition-slow) ease-out,transform var(--transition-slow) ease-out}.fade-in.is-visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.fade-in{opacity:1;transform:none;transition:none}}:focus-visible{border-radius:var(--radius-sm);box-shadow:var(--focus-ring);outline:none}.section-label{align-items:center;color:var(--text-tertiary);display:inline-flex;font-family:var(--font-mono);font-size:.75rem;font-weight:500;gap:.75em;letter-spacing:.18em;text-transform:uppercase}.section-label:before{background:var(--border-light);content:"";height:1px;width:28px}.section-label--on-dark{color:var(--text-dark-tertiary)}.section-label--on-dark:before{background:var(--border-dark)}.hairline{background:var(--border-light);border:0;height:1px}.section-base{padding:var(--space-12) 0;position:relative}@media(max-width:768px){.section-base{padding:var(--space-8) 0}}.section-dark{background:var(--bg-dark);color:var(--text-dark-primary)}.section-dark :where(p){color:var(--text-dark-secondary)}@media(max-width:768px){h1{font-size:2rem}h2{font-size:1.625rem}h3{font-size:1.25rem}}