*{margin:0;padding:0;box-sizing:border-box;}body{background:linear-gradient(145deg,#f9f3e6 0%,#e8f0fe 100%);font-family:'Segoe UI','Roboto',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;padding:30px 20px;display:flex;justify-content:center;align-items:center;min-height:100vh;}.double-border-card{max-width:1200px;width:100%;background:#ffffffdd;backdrop-filter:blur(2px);border:4px solid #ffb347;outline:4px solid #4a90d9;outline-offset:-8px;border-radius:48px 16px 48px 16px;padding:28px 30px 20px 30px;box-shadow:0 20px 40px rgba(255,179,71,0.25),0 8px 20px rgba(74,144,217,0.15);transition:all 0.2s ease;background-color:#fffcf5;}.inner-border-line{border:2px dashed #f5cba7;border-radius:32px 8px 32px 8px;padding:20px 24px 16px 24px;background:rgba(255,255,255,0.5);}.header-title{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;margin-bottom:20px;border-bottom:3px solid #ffd966;padding-bottom:12px;}.header-title h1{font-size:2.4rem;font-weight:700;color:#2c5f8a;letter-spacing:-0.5px;text-shadow:2px 2px 0 #fce4b8;background:linear-gradient(135deg,#f6b26b,#e69138);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.header-title .sub{font-size:1.1rem;background:#ffe599;padding:6px 18px;border-radius:40px;color:#3d3d3d;font-weight:600;box-shadow:inset 0 -2px 0 #d4a373;}.meta-tags{display:flex;flex-wrap:wrap;gap:12px 20px;margin:10px 0 20px 0;font-size:0.95rem;}.meta-tags span{background:#d4e6f1;padding:4px 16px;border-radius:30px;color:#1f4e6f;font-weight:500;border:1px solid #a9cce3;}.meta-tags .highlight{background:#f9e79f;border-color:#f4d03f;}.table-wrapper{overflow-x:auto;margin:24px 0 20px 0;border-radius:24px;background:#fef9ef;border:2px solid #f7dc6f;box-shadow:0 6px 0 #e0c068;}table{width:100%;border-collapse:collapse;font-size:0.98rem;background:#fffdf7;}th{background:#ffd966;color:#2d3e50;font-weight:700;padding:14px 12px;text-align:left;border-bottom:3px solid #f0b27a;}td{padding:14px 12px;border-bottom:1px solid #fdebd0;vertical-align:top;}tr:last-child td{border-bottom:none;}tr:hover td{background:#fcf3cf;}.code-badge{background:#2c5f8a;color:white;border-radius:20px;padding:2px 12px;font-size:0.75rem;font-weight:600;display:inline-block;margin-right:6px;}pre{background:#1e2a3a;color:#f8f8f2;padding:18px 20px;border-radius:24px 8px 24px 8px;font-size:0.9rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word;border-left:8px solid #f6b26b;box-shadow:0 6px 0 #b0c4de;margin:18px 0;font-family:'JetBrains Mono','Fira Code','Cascadia Code',monospace;}pre .keyword{color:#ff79c6;}pre .annotation{color:#50fa7b;}pre .string{color:#f1fa8c;}pre .method{color:#8be9fd;}.svg-container{background:#f0f9ff;border-radius:40px 12px 40px 12px;padding:20px 10px 10px 10px;margin:30px 0 20px 0;border:2px solid #a9d0f5;box-shadow:inset 0 0 0 2px #fef9e7,0 8px 0 #b3d4fc;}.svg-container svg{display:block;width:100%;max-width:800px;height:auto;margin:0 auto;}.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:20px 0;list-style:none;}.feature-list li{background:#eaf2f8;padding:12px 16px;border-radius:40px 8px 40px 8px;border:2px solid #85c1e9;font-weight:500;color:#1b4f72;display:flex;align-items:center;gap:8px;box-shadow:0 4px 0 #aed6f1;}.feature-list li::before{content:"⚡";color:#f39c12;font-size:1.3rem;}footer{margin-top:40px;padding-top:16px;border-top:4px double #f5b041;text-align:center;font-size:1.2rem;font-weight:600;color:#2c3e50;letter-spacing:2px;}footer span{background:#fce4b8;padding:4px 28px;border-radius:40px;display:inline-block;border:2px solid #e59866;}@media (max-width:650px){.double-border-card{padding:16px;}.header-title h1{font-size:1.8rem;}pre{font-size:0.75rem;padding:12px;}}