*{margin:0;padding:0;box-sizing:border-box;}body{background:#fef9e7;font-family:'Segoe UI','PingFang SC',Roboto,'Helvetica Neue',sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:30px 20px;}.double-border-wrapper{max-width:1200px;width:100%;background:#ffffffdd;border:6px solid #f7c948;outline:4px solid #ff9f4b;outline-offset:2px;border-radius:48px 48px 32px 32px;padding:28px 30px 20px 30px;backdrop-filter:blur(2px);box-shadow:0 20px 40px rgba(247,201,72,0.25);transition:all 0.2s ease;background:#fffcf0;}.inner-card{border:3px dashed #f5b342;border-radius:32px 32px 24px 24px;padding:28px 30px 20px 30px;background:#fffffffa;}.header{display:flex;align-items:center;gap:12px;margin-bottom:28px;border-bottom:4px solid #f7d794;padding-bottom:18px;}.header h1{font-size:2.4rem;font-weight:700;color:#2d4059;letter-spacing:1px;background:linear-gradient(145deg,#e8852e,#f3b33d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:2px 2px 0 rgba(255,215,0,0.2);}.header .badge{background:#fad390;padding:8px 18px;border-radius:60px;font-weight:600;color:#2d4059;font-size:1rem;border:2px solid #f5b342;}.subhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;}.subhead p{font-size:1.2rem;color:#4a3f2b;background:#fce9c8;padding:6px 20px;border-radius:40px;font-weight:500;}.subhead .tag{background:#b8d4e3;padding:4px 18px;border-radius:30px;color:#1e3b4f;font-weight:600;font-size:0.9rem;border:2px solid #7fa9c7;}.table-wrap{overflow-x:auto;margin:28px 0 20px 0;border-radius:28px;background:#fef7e9;padding:6px;border:2px solid #f7d794;}table{width:100%;border-collapse:collapse;background:#fffcf4;border-radius:24px;font-size:0.95rem;}th{background:#fad390;color:#2d4059;font-weight:700;padding:14px 12px;text-align:left;border-bottom:3px solid #f5b342;}td{padding:14px 12px;border-bottom:1px solid #f7e0b0;color:#2f2b20;}tr:last-child td{border-bottom:none;}.highlight{background:#fcf1db;}.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin:30px 0;}.feature-item{background:#fef5e3;border-radius:30px;padding:18px 12px;border:2px solid #f7c948;text-align:center;font-weight:600;color:#2d4059;box-shadow:0 6px 0 #f5b34230;}.feature-item svg{display:block;margin:0 auto 8px auto;}pre{background:#2d2b26;color:#f8f0d5;padding:20px 24px;border-radius:28px;font-size:0.9rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word;border:3px solid #f7c948;box-shadow:inset 0 0 0 2px #4a3f2b;margin:20px 0;font-family:'JetBrains Mono','Fira Code',monospace;}pre .comment{color:#b8c7a9;}pre .keyword{color:#f7d794;}pre .string{color:#f5b342;}.svg-container{display:flex;justify-content:center;margin:30px 0 20px 0;background:#fcf3e0;padding:20px 10px;border-radius:48px;border:3px solid #f7c948;}.svg-container svg{max-width:100%;height:auto;}.footer{margin-top:40px;padding-top:20px;border-top:4px solid #f7d794;text-align:center;font-size:1.3rem;font-weight:700;color:#4f3f1f;letter-spacing:4px;background:#fcf1db;padding:16px 0;border-radius:60px;border:2px solid #f5b342;}@media (max-width:680px){.double-border-wrapper{padding:16px;}.inner-card{padding:16px;}.header h1{font-size:1.8rem;}}