:root{--brand: #f26419;--brand-dark: #d14f0a;--brand-deep: #9c3a06;--brand-soft: #fff0e6;--ink: #1d1612;--ink-2: #4d433d;--ink-3: #8a7f78;--line: #f0e3d9;--bg: #fff6ef;--zalo: #0068ff;--fb: #1877f2;--tiktok: #111111;--card: #ffffff;--gold: #ffd23f;--radius: 16px;--shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);--font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.5}a{color:inherit;text-decoration:none}img,svg{display:block}button{font:inherit;cursor:pointer}h1,h2,h3{line-height:1.2;margin:0}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.topbar{background:var(--brand-deep);color:#ffe6d4;font-size:13px}.topbar .container{display:flex;gap:20px;justify-content:space-between;align-items:center;min-height:34px}.topbar a{color:#fff;font-weight:600}.topbar 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