:root{--ink:#14263d;--muted:#647286;--paper:#f6f4ef;--surface:#fff;--line:#dce2e8;--blue:#195fb7;--orange:#e35d24;--teal:#087f75;--focus:#f28a2e;--radius:18px;--shadow:0 16px 40px rgba(20,38,61,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Thai","Tahoma",sans-serif;line-height:1.7}a{color:inherit}h1,h2,h3{line-height:1.2;text-wrap:balance}p,li{ text-wrap:pretty}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:12px 16px;border-radius:10px}.skip-link:focus{top:16px}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.knowledge-shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}.knowledge-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.knowledge-brand{display:grid;grid-template-columns:36px auto;column-gap:9px;text-decoration:none;line-height:1}.knowledge-brand>span{grid-row:1/3;width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:21px}.knowledge-brand strong{font-size:18px}.knowledge-brand small{color:var(--muted);font-size:11px;margin-top:4px}.knowledge-header nav{display:flex;align-items:center;gap:8px}.knowledge-header nav a{min-height:44px;padding:10px 14px;text-decoration:none;font-weight:600;border-radius:12px}.knowledge-header nav a[aria-current="page"]{background:#edf4fc;color:var(--blue)}.knowledge-header .report-link{background:var(--ink);color:#fff}.knowledge-hero{padding:88px 0 72px;background:var(--ink);color:#fff}.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:72px;align-items:end}.eyebrow{margin:0 0 12px;color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.knowledge-hero h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.04em;margin:0;max-width:760px}.knowledge-hero h1 span{color:#ff9869}.hero-lead{font-size:19px;color:#dbe4ef;max-width:650px;margin:24px 0 0}.knowledge-hero aside{padding:28px;background:#203650;border-radius:var(--radius);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}.knowledge-hero aside strong{font-size:52px;line-height:1;font-variant-numeric:tabular-nums;display:block}.knowledge-hero aside span{font-weight:700}.knowledge-hero aside p{margin:16px 0 0;color:#c8d4e1}.knowledge-section{padding:72px 0}.latest-section,.related-section{background:#edf1f4}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-heading h2{font-size:34px;margin:0}.section-heading>p{color:var(--muted);font-weight:600}.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.category-card{position:relative;min-height:176px;display:grid;grid-template-columns:52px 1fr 28px;gap:18px;align-items:start;padding:28px;background:var(--surface);text-decoration:none;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform 120ms ease-out,box-shadow 120ms ease-out}.category-code{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:#edf4fc;color:var(--blue);font-weight:800;font-size:20px}.category-card h2{margin:0 0 8px;font-size:23px}.category-card p{margin:0;color:var(--muted)}.category-card small{display:block;margin-top:16px;font-weight:700;color:var(--ink)}.card-arrow{font-size:24px}.tone-orange .category-code{background:#fff0e9;color:#bd4316}.tone-teal .category-code,.tone-green .category-code{background:#e7f6f3;color:var(--teal)}.tone-purple .category-code{background:#f2ebf8;color:#6b3a8b}.tone-slate .category-code,.tone-navy .category-code{background:#e8edf2;color:var(--ink)}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-card{padding:28px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column}.card-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin:0 0 16px;color:var(--muted);font-size:12px;font-weight:700}.card-meta span{color:var(--blue)}.article-card h2{font-size:21px;margin:0 0 12px}.article-card h2 a{text-decoration:none}.article-card>p:not(.card-meta){color:var(--muted);margin:0 0 20px}.read-link{margin-top:auto;color:var(--blue);font-weight:800;text-decoration:none}.category-hero{background:var(--ink);color:#fff;padding:48px 0}.category-hero h1{font-size:clamp(38px,5vw,60px);margin:8px 0 16px}.category-hero>div>p:not(.eyebrow){color:#d4dfea;max-width:700px;font-size:18px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:13px;margin-bottom:28px}.category-hero .breadcrumbs{color:#b9c8d7}.breadcrumbs a{text-decoration:none}.category-progress{display:flex;gap:24px;margin-top:28px;font-size:14px}.category-progress strong{font-size:22px;margin-right:5px}.empty-state{padding:56px;text-align:center;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow)}.empty-state strong{font-size:23px}.empty-state p{color:var(--muted)}.empty-state a{display:inline-flex;min-height:44px;align-items:center;padding:8px 18px;border-radius:12px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700}.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(240px,1fr);gap:64px;padding-block:48px 80px;align-items:start}.article-header h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.03em;margin:6px 0 20px}.article-deck{font-size:20px;color:var(--muted);margin:0}.byline{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:13px}.quick-answer{margin:36px 0;padding:28px;background:#eaf3fb;border-left:5px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0}.quick-answer>p{font-size:13px;font-weight:800;color:var(--blue);margin:0 0 8px}.quick-answer>div{font-size:18px;font-weight:600}.quick-answer>a{display:inline-flex;margin-top:18px;min-height:44px;align-items:center;padding:8px 14px;background:var(--ink);color:#fff;border-radius:11px;text-decoration:none;font-weight:800}.article-section{padding:18px 0}.article-section h2,.faq-section h2,.sources h2{font-size:29px;margin:18px 0}.article-section p{font-size:17px;margin:0 0 18px}.faq-section{margin-top:30px}.faq-section details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:10px 0;padding:0 18px}.faq-section summary{cursor:pointer;font-weight:700;padding:16px 28px 16px 0;min-height:56px}.faq-section details p{color:var(--muted);margin:0 0 18px}.sources{margin-top:38px}.sources ol{padding-left:20px}.sources li{margin-bottom:16px;padding-left:8px}.sources a{font-weight:700;color:var(--blue)}.sources span{display:block;color:var(--muted);font-size:12px}.editorial-note{margin-top:36px;padding:22px 24px;border:1px solid var(--line);border-radius:14px}.editorial-note p{color:var(--muted);margin:8px 0 0}.article-rail{position:sticky;top:100px;display:grid;gap:14px}.rail-card{background:var(--ink);color:#fff;padding:24px;border-radius:var(--radius)}.rail-card p{margin:0;color:#b9c8d7;font-size:13px}.rail-card h2{font-size:22px;margin:8px 0 18px}.rail-card a{display:flex;min-height:44px;align-items:center;justify-content:center;background:#fff;color:var(--ink);border-radius:11px;text-decoration:none;text-align:center;font-weight:800}.rail-report{background:#b8451e}.related-section{padding:64px 0}.knowledge-footer{background:#0d1a2a;color:#fff;padding:40px 0}.knowledge-footer>div{display:flex;justify-content:space-between;gap:24px}.knowledge-footer p{color:#9fb0c2;margin:5px 0}.knowledge-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}.knowledge-footer a{color:#d7e0e9;text-decoration:none;min-height:44px;display:flex;align-items:center}@media (hover:hover) and (pointer:fine){.category-card:hover{transform:translateY(-2px);box-shadow:0 20px 48px rgba(20,38,61,.13)}.article-card h2 a:hover,.read-link:hover{text-decoration:underline}}@media(max-width:860px){.hero-grid,.article-layout{grid-template-columns:1fr}.article-layout{gap:28px}.article-rail{position:static;grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-header nav a:first-child{display:none}}@media(max-width:620px){.knowledge-shell{width:min(100% - 28px,1160px)}.header-row{min-height:64px}.knowledge-brand small{display:none}.knowledge-header nav{gap:2px}.knowledge-header nav a{padding:9px 10px;font-size:13px}.knowledge-hero{padding:56px 0}.hero-grid{gap:32px}.category-grid,.article-grid,.article-rail{grid-template-columns:1fr}.category-card{grid-template-columns:44px 1fr;padding:22px}.category-code{width:42px;height:42px}.card-arrow{display:none}.knowledge-section{padding:52px 0}.section-heading{align-items:start;flex-direction:column}.article-layout{padding-top:28px}.quick-answer{padding:22px}.empty-state{padding:36px 22px}.knowledge-footer>div{flex-direction:column}.knowledge-footer nav{flex-direction:column}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}