:root{--forest: #0f3d2e;--forest-dark: #082a1f;--forest-deep: #051d16;--forest-soft: #eaf1ed;--champagne: #c8a86b;--champagne-bright: #e0c893;--champagne-soft: #f7f1e4;--champagne-ink: #8a6a2c;--ink: #16241d;--ink-soft: #47564e;--muted: #5d6b62;--line: #e4e0d4;--cream: #fbf9f4;--surface: #ffffff;--zalo: #0068ff;--zalo-dark: #0052cc;--font-sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display: "Cormorant Garamond", "Playfair Display", Georgia, serif;--container: 1240px;--container-narrow: 780px;--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 3px rgba(10, 30, 22, .06), 0 1px 2px rgba(10, 30, 22, .04);--shadow: 0 8px 30px rgba(10, 30, 22, .09);--shadow-lg: 0 22px 60px rgba(10, 30, 22, .16);--header-h: 76px}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--ink);background:var(--cream);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}img,picture,svg,video{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit}::placeholder{color:var(--muted);opacity:1}[hidden]{display:none!important}h1,h2,h3,h4{font-weight:600;color:var(--ink);line-height:1.18}h1{font-family:var(--font-display);font-size:clamp(2.4rem,6vw,4.6rem);font-weight:500;letter-spacing:-.01em}h2{font-family:var(--font-display);font-size:clamp(1.9rem,4vw,3rem);font-weight:500}h3{font-size:clamp(1.15rem,2vw,1.4rem)}p{color:var(--ink-soft)}strong{color:var(--ink);font-weight:600}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}.narrow{max-width:var(--container-narrow)}.section{padding-block:clamp(64px,9vw,120px)}.section--tight{padding-block:clamp(40px,6vw,72px)}.section--forest{background:var(--forest);color:#fff}.section--forest 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