@font-face{font-family:AnVanSerif;font-style:normal;font-weight:400 500;font-display:swap;src:url('/fonts/serif-regular.ttf') format('truetype')}
@font-face{font-family:AnVanSerif;font-style:normal;font-weight:600 900;font-display:swap;src:url('/fonts/serif-bold.ttf') format('truetype')}
@font-face{font-family:AnVanSerif;font-style:italic;font-weight:400 900;font-display:swap;src:url('/fonts/serif-italic.ttf') format('truetype')}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/400.ttf") format("truetype")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:500;font-display:swap;src:url("/fonts/500.ttf") format("truetype")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/600.ttf") format("truetype")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/700.ttf") format("truetype")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:800;font-display:swap;src:url("/fonts/800.ttf") format("truetype")}

*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f0e5;color:#494b40;font:15px/1.9 "Be Vietnam Pro",sans-serif}a{color:#954d3a;text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #a18b62;outline-offset:4px}header.site-head{border-bottom:1px solid #d7ccb5;background:#faf6ed}.head-inner{max-width:1140px;margin:auto;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{font-size:20px;letter-spacing:2px;font-weight:700;color:#292e27;text-decoration:none}.brand span{display:inline-grid;place-items:center;width:38px;height:42px;background:#aa4937;color:#fff8e9;border-radius:8px;margin-right:10px;font-family:AnVanSerif,serif;font-size:29px;letter-spacing:0}.head-inner>a:last-child{font-size:13px}.wrap{max-width:1140px;margin:auto;padding:28px 24px 60px}.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;margin-bottom:24px}.crumb a{text-decoration:none}.hero{padding:30px 36px;border-radius:20px;color:#fff6e5;background:radial-gradient(ellipse at right top,#8a926b,#476453 48%,#294f43);border:1px solid #9c936e}.eyebrow{font-size:10px;letter-spacing:2px;color:#eed3a0}.hero h1{font:500 clamp(29px,4vw,44px)/1.3 AnVanSerif,serif;max-width:850px;margin:10px 0 16px}.hero p{max-width:78ch;line-height:1.8;margin:0;font-size:15px;color:#f3ecdc}.byline{font-size:12px;color:#ddd3b9;margin-top:18px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:28px;margin-top:28px;align-items:start}.article{padding:30px 36px;border:1px solid #d5c8b0;border-radius:18px;background:#fffaf1;min-width:0}.article h2{font:600 25px/1.4 AnVanSerif,serif;color:#365543;margin:32px 0 14px;scroll-margin-top:20px}.article h2:first-child{margin-top:0}.article h3{font-size:17px;color:#795f43;margin:24px 0 8px}.article p{margin:12px 0}.article li{margin:8px 0}.article ul{padding-left:24px}.toc{position:sticky;top:24px;padding:18px;border:1px solid #d7cbb6;border-radius:15px;background:#eee8d9;font-size:13px}.toc strong{display:block;color:#355543;margin-bottom:10px}.toc a{display:block;margin:10px 0;text-decoration:none;line-height:1.6}.cta{display:inline-flex;align-items:center;min-height:44px;padding:10px 20px;border-radius:26px;background:#a64b38;color:#fff8e9;text-decoration:none;font-size:14px;margin:16px 0}.method{border-top:1px solid #ded3be;margin-top:28px;padding-top:18px;font-size:12px;color:#7d735e}.method a{display:block;overflow-wrap:anywhere}.related{margin-top:28px}.related h2{font:600 26px AnVanSerif,serif;color:#355543}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.card{display:block;padding:22px;border:1px solid #d4c5a9;border-radius:16px;background:#fffaf1;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s}.card h2,.card h3{font:500 23px/1.4 AnVanSerif,serif;color:#355543;margin:0 0 12px}.card p{font-size:13px;margin:0 0 14px}.card span{color:#98513d;font-size:13px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{border:1px solid #d6c8b1;text-align:left;vertical-align:top;padding:12px;min-width:115px}th{background:#eee6d5;color:#355543}footer{border-top:1px solid #d7ccb5;text-align:center;padding:24px;font-size:12px;color:#80755f}footer a{margin:0 8px}.analytics-preferences{display:block;margin:15px auto 0;font-family:inherit;font-size:12px;border:0;background:none;color:#805d44;text-decoration:underline;cursor:pointer}.skip{position:absolute;top:-100px}.skip:focus{top:8px;left:8px;background:#fff;padding:10px;z-index:5}
@media(hover:hover){.card:hover{transform:translateY(-3px);box-shadow:0 8px 20px #51452b14}}
@media(max-width:760px){body{font-size:14px}.head-inner{padding:15px 18px}.brand{font-size:17px}.head-inner>a:last-child{font-size:11px}.wrap{padding:20px 16px 38px}.hero{padding:24px 20px}.hero p{font-size:14px}.content-grid{display:flex;flex-direction:column;gap:18px;margin-top:18px}.toc{position:static;order:-1;width:100%}.article{padding:22px 19px;width:100%}.article h2{font-size:23px}.cards{grid-template-columns:1fr}.card{padding:20px}.card h2,.card h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}.card:hover{transform:none}}