:root{--red: #c8102e;--red-dark: #a00d24;--ink: #1b1f24;--ink-2: #4a525c;--muted: #6b7480;--line: #e3e6ea;--bg: #ffffff;--bg-alt: #f4f5f7;--dark: #15181c;--amber: #f5a524;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);--font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}img{max-width:100%;height:auto;display:block}a{color:var(--red);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25;margin:0 0 .6em;letter-spacing:-.01em}h1{font-size:clamp(1.6rem,3.2vw,2.25rem);font-weight:800}h2{font-size:clamp(1.3rem,2.4vw,1.65rem);font-weight:700}h3{font-size:1.05rem;font-weight:600}p{margin:0 0 1em}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 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