:root{--bg: #f8fafc;--bg-secondary: #f1f5f9;--text: #1e293b;--text-secondary: #64748b;--accent: #6366f1;--accent-hover: #818cf8;--accent-rgb: 99, 102, 241;--border: rgba(0, 0, 0, .06);--card-bg: rgba(255, 255, 255, .45);--card-bg-hover: rgba(255, 255, 255, .7);--card-border: rgba(255, 255, 255, .5);--blur: 20px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;position:relative;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ambient-bg{position:fixed;inset:0;z-index:-3;background-image:url(/images/hero-bg.png);background-size:cover;background-position:center;background-repeat:no-repeat}.bg-overlay{position:fixed;inset:0;z-index:-2;background:#ffffff40;pointer-events:none}@keyframes float1{0%{transform:translate(0)}to{transform:translate(60px,40px)}}@keyframes float2{0%{transform:translate(0)}to{transform:translate(-50px,-30px)}}@keyframes float3{0%{transform:translate(-50%,-50%) scale(1)}to{transform:translate(-50%,-50%) scale(1.15)}}.glass-card{padding:1.5rem;border:1px solid var(--card-border);border-radius:24px;background:var(--card-bg);backdrop-filter:blur(var(--blur)) saturate(180%);-webkit-backdrop-filter:blur(var(--blur)) saturate(180%);box-shadow:0 8px 32px #00000014,inset 0 1px #fff9;transition:all .4s cubic-bezier(.4,0,.2,1)}.glass-card-hover:hover{background:var(--card-bg-hover);border-color:rgba(var(--accent-rgb),.25);transform:translateY(-4px) scale(1.01);box-shadow:0 12px 40px #0000001f,0 0 24px rgba(var(--accent-rgb),.1)}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}nav{position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#ffffff80;backdrop-filter:blur(var(--blur)) saturate(180%);-webkit-backdrop-filter:blur(var(--blur)) saturate(180%);border-bottom:1px solid var(--card-border);transition:transform .5s cubic-bezier(.4,0,.2,1)}nav.nav-hidden{transform:translateY(-100%)}.logo{font-family:var(--font-serif);font-weight:900;font-size:1.35rem;color:var(--text);letter-spacing:-.02em}.logo:hover{color:var(--accent)}.nav-tags{display:flex;gap:.5rem;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch}.nav-tags::-webkit-scrollbar{display:none}.nav-tag{flex-shrink:0;padding:.35rem .9rem;border-radius:9999px;font-size:.8rem;font-weight:500;color:var(--text-secondary);border:1px solid var(--card-border);background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .25s ease;white-space:nowrap;scroll-margin:1rem}.nav-tag:hover{color:var(--text);border-color:rgba(var(--accent-rgb),.25);background:rgba(var(--accent-rgb),.06)}.nav-tag.active{color:var(--accent);border-color:rgba(var(--accent-rgb),.35);background:rgba(var(--accent-rgb),.1);font-weight:600}main{flex:1;max-width:1100px;width:100%;margin:0 auto;padding:2rem;display:grid;grid-template-columns:280px 1fr;gap:2rem;align-items:start}footer{text-align:center;padding:2rem;color:var(--text-secondary);font-size:.85rem;border-top:1px solid var(--card-border);background:#fff6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(var(--accent-rgb),.3);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:rgba(var(--accent-rgb),.7)}*{scrollbar-width:thin;scrollbar-color:rgba(var(--accent-rgb),.3) transparent}@media(max-width:768px){nav{padding:.75rem 1rem;gap:.75rem}.nav-tag{padding:.3rem .75rem;font-size:.75rem}main{grid-template-columns:1fr;padding:1rem;max-width:100%}}