*{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:2rem 1rem;}.double-border-card{max-width:1100px;width:100%;background:#ffffffdd;backdrop-filter:blur(2px);border:6px solid #f9d9b1;outline:4px solid #b5d3e7;outline-offset:-10px;border-radius:48px 16px 48px 16px;padding:2.5rem 2.2rem;box-shadow:0 20px 40px rgba(245,178,120,0.2),0 8px 16px rgba(0,0,0,0.03);transition:all 0.1s ease;background:#fffcf5;}.header-title{display:flex;align-items:center;gap:12px;margin-bottom:1.8rem;border-bottom:3px dashed #f7c9a0;padding-bottom:0.8rem;}.header-title h1{font-size:2.4rem;font-weight:700;color:#3f5e7a;letter-spacing:1px;text-shadow:2px 2px 0 #f0d5b0;}.header-title span{background:#b5d3e7;padding:0.2rem 1rem;border-radius:40px;font-size:1rem;font-weight:600;color:#1f3a4b;}.subhead{display:flex;justify-content:space-between;flex-wrap:wrap;background:#e8f0fa;padding:0.8rem 1.5rem;border-radius:60px;margin-bottom:2rem;color:#2b4b66;font-weight:500;border:2px solid #c7def7;}.subhead svg{vertical-align:middle;margin-right:6px;}.section{background:rgba(255,245,235,0.6);border-radius:32px;padding:1.8rem 1.8rem;margin-bottom:2rem;border:2px solid #f5dcc3;box-shadow:0 4px 0 #e6c7a8;}.section h2{display:flex;align-items:center;gap:10px;font-size:1.8rem;color:#3f6a54;margin-bottom:1.2rem;border-left:12px solid #f7b07c;padding-left:1rem;}.section h2 svg{flex-shrink:0;}.section p{font-size:1.1rem;line-height:1.6;color:#2c3e4e;margin-bottom:1rem;}.highlight-badge{display:inline-block;background:#fadbc5;padding:0.2rem 1.2rem;border-radius:30px;font-weight:600;color:#3b5a3f;border:2px solid #f3b58c;}.table-wrap{overflow-x:auto;margin:1.5rem 0;}table{width:100%;border-collapse:separate;border-spacing:0 8px;background:#fcf6ed;border-radius:24px;}th{background:#b5d3e7;color:#1f3f4f;font-weight:700;padding:14px 12px;font-size:1.1rem;border:2px solid #9bc0db;}td{background:#ffffff;padding:14px 12px;border:2px solid #e9d7c4;border-radius:12px;color:#1f3a3a;}td:first-child{font-weight:600;background:#f7efe6;}pre{background:#1e2a36;color:#e4f0e6;padding:1.5rem 1.8rem;border-radius:28px;font-size:0.95rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word;border:4px solid #b5c9d6;box-shadow:inset 0 0 0 2px #2f4050;margin:1.2rem 0;font-family:'JetBrains Mono','Fira Code','Cascadia Code',monospace;}pre .comment{color:#8da6b5;}ul,ol{padding-left:2rem;margin:1rem 0;color:#2b4b4b;}li{margin:0.6rem 0;font-size:1.05rem;}.svg-container{display:flex;justify-content:center;margin:2rem 0;background:#fcf3e9;border-radius:40px;padding:1.2rem 0.5rem;border:3px solid #e6cfb8;}.footer-note{margin-top:2.5rem;text-align:center;font-size:1.2rem;font-weight:600;color:#4d6b7a;border-top:4px double #f5cba0;padding-top:1.5rem;letter-spacing:2px;}.footer-note small{font-weight:400;color:#7a6a5a;}@media (max-width:600px){.double-border-card{padding:1.5rem 1rem;}.header-title h1{font-size:1.8rem;}}