:root{--nen:#f6ead3;--the:#fff8ee;--chu:#2b1712;--vien:#e3cfae;--xanh:#1a5bb5;--vang:#e0a53a;--phu:#7a6556}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--nen);color:var(--chu);-webkit-text-size-adjust:100%;font-family:Arial,Liberation Sans,sans-serif;font-size:16px;line-height:1.4}.dau-trang{background:var(--chu);color:var(--nen);padding:14px 16px;padding-top:max(14px, env(safe-area-inset-top))}.dau-trang b{font-size:18px}.dau-trang small{opacity:.75;font-size:13px;display:block}.noi-dung{max-width:560px;margin:0 auto;padding:16px}.nhan{letter-spacing:.8px;text-transform:uppercase;color:var(--phu);margin:18px 0 8px;font-size:11px;font-weight:700}.the{background:var(--the);border:1px solid var(--vien);border-radius:14px;margin-bottom:12px;padding:16px}.the h1{letter-spacing:-.3px;margin-bottom:6px;font-size:22px}.the p{color:var(--phu)}.so-lon{font-size:34px;font-weight:800;line-height:1.1}.nut{text-align:center;background:var(--xanh);color:#fff;border-radius:12px;margin-top:12px;padding:14px;font-weight:700;text-decoration:none;display:block}@media (min-width:1100px){.noi-dung{max-width:760px;padding-top:48px}.the h1{font-size:30px}.so-lon{font-size:48px}}