:root{--ddd-primary:#ff6b35;--ddd-primary-dark:#e85a2a;--ddd-primary-light:#ff8559;--ddd-dark:#1a1a2e;--ddd-dark-secondary:#16213e;--ddd-gray-900:#111827;--ddd-gray-800:#1f2937;--ddd-gray-700:#374151;--ddd-gray-600:#4b5563;--ddd-gray-500:#6b7280;--ddd-gray-400:#9ca3af;--ddd-gray-300:#d1d5db;--ddd-gray-200:#e5e7eb;--ddd-gray-100:#f3f4f6;--ddd-gray-50:#f9fafb;--ddd-white:#fff;--ddd-success:#10b981;--ddd-warning:#f59e0b;--ddd-error:#ef4444;--ddd-info:#3b82f6;--ddd-font-sans:"Inter", "Sarabun", -apple-system, BlinkMacSystemFont, sans-serif;--ddd-font-heading:"Inter", "Sarabun", -apple-system, BlinkMacSystemFont, sans-serif;--ddd-section-padding:5rem;--ddd-container-max:1280px;--ddd-radius-sm:.375rem;--ddd-radius-md:.5rem;--ddd-radius-lg:.75rem;--ddd-radius-xl:1rem;--ddd-radius-2xl:1.5rem;--ddd-shadow-sm:0 1px 2px 0 #0000000d;--ddd-shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--ddd-shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--ddd-shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--ddd-transition-fast:.15s ease;--ddd-transition-normal:.3s ease;--ddd-transition-slow:.5s ease}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.ddd-container{max-width:var(--ddd-container-max);margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem}@media (min-width:640px){.ddd-container{padding-left:2rem;padding-right:2rem}}.ddd-section{padding-top:var(--ddd-section-padding);padding-bottom:var(--ddd-section-padding)}.ddd-section-title{color:var(--ddd-gray-900);text-align:center;margin-bottom:1rem;font-size:2.25rem;font-weight:700}.ddd-section-subtitle{color:var(--ddd-gray-600);text-align:center;max-width:42rem;margin-bottom:3rem;margin-left:auto;margin-right:auto;font-size:1.125rem}.ddd-btn{border-radius:var(--ddd-radius-lg);transition:all var(--ddd-transition-normal);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;display:inline-flex}.ddd-btn-primary{background-color:var(--ddd-primary);color:var(--ddd-white)}.ddd-btn-primary:hover{background-color:var(--ddd-primary-dark);box-shadow:var(--ddd-shadow-lg);transform:translateY(-2px)}.ddd-btn-outline{color:var(--ddd-primary);border:2px solid var(--ddd-primary);background-color:#0000}.ddd-btn-outline:hover{background-color:var(--ddd-primary);color:var(--ddd-white)}.ddd-btn-white{background-color:var(--ddd-white);color:var(--ddd-primary)}.ddd-btn-white:hover{background-color:var(--ddd-gray-100)}.ddd-card{background-color:var(--ddd-white);border-radius:var(--ddd-radius-xl);box-shadow:var(--ddd-shadow-md);transition:all var(--ddd-transition-normal);padding:2rem}.ddd-card:hover{box-shadow:var(--ddd-shadow-xl);transform:translateY(-4px)}.ddd-gradient-primary{background:linear-gradient(135deg, var(--ddd-primary) 0%, var(--ddd-primary-dark) 100%)}.ddd-gradient-dark{background:linear-gradient(135deg, var(--ddd-dark) 0%, var(--ddd-dark-secondary) 100%)}.ddd-text-primary{color:var(--ddd-primary)}.ddd-text-dark{color:var(--ddd-gray-900)}.ddd-text-muted{color:var(--ddd-gray-600)}@keyframes ddd-fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes ddd-slide-up{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.ddd-animate-fade-in{animation:.6s forwards ddd-fade-in}.ddd-animate-slide-up{animation:.8s forwards ddd-slide-up}@media (max-width:768px){.ddd-section-title{font-size:1.875rem}.ddd-section{padding-top:3rem;padding-bottom:3rem}}.ddd-article ::selection{color:var(--ddd-gray-900);background:#ff6b3538}.ddd-article>p:first-of-type{color:var(--ddd-gray-700);font-size:1.1875rem;font-weight:400;line-height:1.85}.ddd-article h2{border-left:4px solid var(--ddd-primary);color:var(--ddd-primary);letter-spacing:-.01em;margin-top:3.5rem;margin-bottom:1.25rem;padding-left:1rem;font-size:1.875rem;font-weight:800;line-height:1.3;position:relative}.ddd-article h2:before{content:"";background:linear-gradient(180deg, var(--ddd-primary) 0%, var(--ddd-primary-dark) 100%);border-radius:2px;width:4px;position:absolute;inset:0 auto 0 -4px}.ddd-article h3{margin-top:2.25rem;margin-bottom:.75rem;padding-left:1rem;line-height:1.45;position:relative}.ddd-article h3:before{content:"";background:var(--ddd-primary);border-radius:9999px;width:6px;height:6px;position:absolute;top:.7em;left:0}.ddd-article h4{color:var(--ddd-gray-800);margin-top:1.75rem;margin-bottom:.5rem;font-size:1.125rem;font-weight:600}.ddd-article ul{padding-left:0;list-style:none}.ddd-article ul>li{padding-left:1.75rem;position:relative}.ddd-article ul>li:before{content:"";background:var(--ddd-primary);border-radius:9999px;width:.5rem;height:.5rem;position:absolute;top:.8em;left:.25rem;box-shadow:0 0 0 3px #ff6b3526}.ddd-article ul ul>li:before{border:2px solid var(--ddd-primary);box-shadow:none;background:0 0;width:.5rem;height:.5rem}.ddd-article ol{counter-reset:ddd-ol;padding-left:0;list-style:none}.ddd-article ol>li{counter-increment:ddd-ol;padding-left:2.5rem;position:relative}.ddd-article ol>li:before{content:counter(ddd-ol);width:1.75rem;height:1.75rem;color:var(--ddd-primary);background:#ff6b351f;border-radius:9999px;justify-content:center;align-items:center;font-size:.8125rem;font-weight:700;line-height:1;display:inline-flex;position:absolute;top:.15em;left:0}.ddd-article a{color:var(--ddd-primary);text-underline-offset:3px;transition:text-decoration-thickness var(--ddd-transition-fast), color var(--ddd-transition-fast);text-decoration:underline;text-decoration-thickness:1px}.ddd-article a:hover{color:var(--ddd-primary-dark);text-decoration-thickness:2px}.ddd-article blockquote{border-left:4px solid var(--ddd-primary);border-radius:0 var(--ddd-radius-lg) var(--ddd-radius-lg) 0;color:var(--ddd-gray-700);background:linear-gradient(90deg,#ff6b350f 0%,#ff6b3500 100%);margin:2rem 0;padding:1.25rem 1.5rem 1.25rem 2.75rem;font-style:normal;position:relative}.ddd-article blockquote:before{content:"“";color:var(--ddd-primary);opacity:.5;font-family:Georgia,serif;font-size:2.5rem;line-height:1;position:absolute;top:.25rem;left:.75rem}.ddd-article blockquote p{margin:0}.ddd-article :not(pre)>code{color:var(--ddd-primary-dark);border-radius:var(--ddd-radius-sm);background:#ff6b3514;padding:.15em .45em;font-size:.875em;font-weight:500}.ddd-article :not(pre)>code:before,.ddd-article :not(pre)>code:after{content:none}.ddd-article pre{background:var(--ddd-gray-900);color:#e5e7eb;border-radius:var(--ddd-radius-lg);border-top:3px solid var(--ddd-primary);margin:1.75rem 0;padding:1.25rem 1.5rem;font-size:.9rem;line-height:1.7;overflow-x:auto}.ddd-article pre code{color:inherit;background:0 0;padding:0;font-weight:400}.ddd-article table{border-collapse:collapse;border-radius:var(--ddd-radius-lg);width:100%;box-shadow:var(--ddd-shadow-sm);margin:2rem 0;font-size:.95rem;overflow:hidden}.ddd-article thead{background:linear-gradient(135deg, var(--ddd-primary) 0%, var(--ddd-primary-dark) 100%)}.ddd-article thead th{color:var(--ddd-white);text-align:left;letter-spacing:.01em;padding:.9rem 1rem;font-weight:600}.ddd-article tbody td{border-bottom:1px solid var(--ddd-gray-200);color:var(--ddd-gray-700);vertical-align:top;padding:.85rem 1rem}.ddd-article tbody tr:nth-child(2n) td{background:var(--ddd-gray-50)}.ddd-article tbody tr:last-child td{border-bottom:none}.ddd-article figure{margin:2rem 0}.ddd-article figure img{margin:0}.ddd-article figcaption{text-align:center;color:var(--ddd-gray-500);margin-top:.65rem;font-size:.875rem;line-height:1.6}.ddd-article hr{background:linear-gradient(90deg, transparent 0%, var(--ddd-gray-300) 20%, var(--ddd-primary) 50%, var(--ddd-gray-300) 80%, transparent 100%);border:0;width:60%;height:1px;margin:3rem auto}.ddd-article kbd{background:var(--ddd-gray-50);border:1px solid var(--ddd-gray-300);border-radius:var(--ddd-radius-sm);color:var(--ddd-gray-800);border-bottom-width:2px;padding:.15em .5em;font-family:SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em;line-height:1;display:inline-block}.ddd-article mark{color:inherit;background:linear-gradient(#0000 55%,#ff6b3540 55%);padding:0 .15em}@keyframes ddd-target-flash{0%{background-color:#ff6b3538}to{background-color:#0000}}.ddd-article h2:target,.ddd-article h3:target{border-radius:var(--ddd-radius-md);animation:1.8s ease-out ddd-target-flash}@media (max-width:768px){.ddd-article>p:first-of-type{font-size:1.0625rem}.ddd-article h2{margin-top:2.5rem;font-size:1.5rem}.ddd-article ol>li{padding-left:2.25rem}.ddd-article ol>li:before{width:1.5rem;height:1.5rem;font-size:.75rem}.ddd-article table{font-size:.875rem}.ddd-article thead th,.ddd-article tbody td{padding:.65rem .75rem}}