*{margin:0;padding:0;box-sizing:border-box;}body{background:#fef9e7;font-family:'Segoe UI','PingFang SC',Roboto,system-ui,-apple-system,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:30px 20px;}.double-frame{max-width:1300px;width:100%;background:#ffffff;border:6px solid #f9d56e;outline:4px solid #ffb347;outline-offset:-10px;border-radius:48px 48px 32px 32px;box-shadow:0 20px 40px rgba(255,179,71,0.25),0 8px 16px rgba(0,0,0,0.05);padding:28px 30px 20px 30px;transition:all 0.2s ease;background:#fffcf0;}.inner-card{background:#ffffff;border:3px solid #ffb347;border-radius:32px;padding:30px 35px 20px 35px;box-shadow:inset 0 2px 8px rgba(255,179,71,0.1);}.header{display:flex;align-items:baseline;justify-content:space-between;border-bottom:4px dashed #f9d56e;padding-bottom:12px;margin-bottom:28px;flex-wrap:wrap;}.header h1{font-size:2.4rem;font-weight:700;color:#2c3e50;letter-spacing:1px;background:linear-gradient(145deg,#e67e22,#f39c12);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block;padding-right:10px;}.header .sub{font-size:1.1rem;font-weight:500;color:#e67e22;background:#fef5e7;padding:6px 18px;border-radius:40px;border:2px solid #f9d56e;white-space:nowrap;}.meta-badge{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:30px;}.meta-item{background:#fef9e7;border-radius:40px;padding:6px 20px;font-size:0.95rem;font-weight:500;color:#5d4e37;border:2px solid #f9d56e;box-shadow:0 2px 0 #f1c40f;}.meta-item i{font-style:normal;background:#ffb347;color:white;border-radius:30px;padding:0 12px;margin-right:6px;}.table-wrap{overflow-x:auto;margin:25px 0 30px 0;border-radius:24px;background:#fefcf5;border:2px solid #f9d56e;}table{width:100%;border-collapse:collapse;font-size:0.98rem;background:white;border-radius:24px;}th{background:#fce4b8;color:#4d3e2b;font-weight:700;padding:16px 12px;text-align:center;border-bottom:3px solid #f9d56e;}td{padding:14px 12px;border-bottom:1px solid #f5e6c6;vertical-align:top;}tr:last-child td{border-bottom:none;}.highlight{background:#fff8e7;}.code-badge{background:#f39c12;color:white;border-radius:20px;padding:2px 14px;font-size:0.75rem;font-weight:600;display:inline-block;margin-bottom:6px;}pre{background:#2d2d2d;color:#f8f8f2;padding:18px 20px;border-radius:20px;font-size:0.9rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word;border:2px solid #f9d56e;box-shadow:0 4px 0 #e67e22;margin:15px 0 20px 0;font-family:'JetBrains Mono','Fira Code',monospace;}.svg-container{background:#fefcf5;border-radius:32px;padding:20px 10px 15px 10px;margin:30px 0 20px 0;border:2px solid #f9d56e;display:flex;justify-content:center;}svg{width:100%;max-width:780px;height:auto;display:block;}.styled-list{background:#fef9e7;border-radius:28px;padding:18px 25px 18px 40px;border:2px solid #f9d56e;margin:20px 0;}.styled-list li{margin:10px 0;font-weight:500;color:#3d2e1e;}.bullet-icon{display:inline-block;width:10px;height:10px;background:#f39c12;border-radius:2px;margin-right:12px;}.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:25px 0;}@media (max-width:700px){.grid-2col{grid-template-columns:1fr;}.header h1{font-size:1.8rem;}.double-frame{padding:15px;}.inner-card{padding:20px 15px;}}.footer-note{margin-top:40px;text-align:center;font-size:1.1rem;font-weight:600;color:#7f6b4a;border-top:3px double #f9d56e;padding-top:20px;letter-spacing:2px;background:#fffcf0;border-radius:0 0 20px 20px;}.tag{background:#f1c40f;color:#2c3e50;border-radius:30px;padding:2px 16px;font-weight:600;font-size:0.8rem;display:inline-block;}.scenario-box{background:#fef5e7;border-left:8px solid #f39c12;padding:12px 20px;border-radius:20px;margin:15px 0;}