@font-face{font-family:BeVietnamPro;src:url(/fonts/BeVietnamPro-400-viet.woff2) format("woff2"),url(/fonts/BeVietnamPro-400-latin.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:BeVietnamPro;src:url(/fonts/BeVietnamPro-500-viet.woff2) format("woff2"),url(/fonts/BeVietnamPro-500-latin.woff2) format("woff2");font-weight:500;font-display:swap}@font-face{font-family:BeVietnamPro;src:url(/fonts/BeVietnamPro-600-viet.woff2) format("woff2"),url(/fonts/BeVietnamPro-600-latin.woff2) format("woff2");font-weight:600;font-display:swap}@font-face{font-family:CabinetGrotesk;src:url(/fonts/SVN-CabinetGrotesk-Regular.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:CabinetGrotesk;src:url(/fonts/SVN-CabinetGrotesk-Medium.woff2) format("woff2");font-weight:500;font-display:swap}@font-face{font-family:CabinetGrotesk;src:url(/fonts/SVN-CabinetGrotesk-Bold.woff2) format("woff2");font-weight:700;font-display:swap}:root{--nen:#FDFBF7;--muc:#171717;--vien:#171717;--mo:#9CA3AF;--nhat:#E5E5E5;--do:#E53E3E;--xanh:#2F855A}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--nen);color:var(--muc);min-height:100vh;font-family:CabinetGrotesk,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.55}.v{font-family:BeVietnamPro,system-ui,sans-serif}.khung{max-width:560px;margin:0 auto;padding:24px 18px 64px}.nhan{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.15em;color:var(--mo)}h1{font-size:21px;font-weight:600;letter-spacing:-.01em;line-height:1.3}h2{font-size:15px;font-weight:600}.phu{color:var(--mo);font-size:13px}.do{color:var(--do)}.the{border:1px solid var(--vien);padding:16px;margin:16px 0;background:transparent}.hang{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid var(--nhat)}.hang:last-child{border-bottom:0}.tien{font-variant-numeric:tabular-nums;white-space:nowrap}label{display:block;margin-top:14px}label>span{display:block;font-size:13px;margin-bottom:5px}input,textarea{width:100%;border:1px solid var(--vien);background:#fff;padding:11px 12px;font:inherit;font-family:BeVietnamPro,system-ui,sans-serif;font-size:15px;border-radius:0;color:var(--muc)}input:focus,textarea:focus{outline:2px solid var(--muc);outline-offset:-2px}textarea{resize:vertical;min-height:70px}.nut{display:block;width:100%;border:1px solid var(--vien);background:transparent;color:var(--muc);padding:14px 18px;font:inherit;font-family:BeVietnamPro,system-ui,sans-serif;font-size:15px;font-weight:500;cursor:pointer;border-radius:0;text-align:center;text-decoration:none}.nut:hover:not(:disabled){background:var(--muc);color:#fff}.nut-chinh{background:var(--muc);color:#fff}.nut-chinh:hover:not(:disabled){background:#000}.nut:disabled{opacity:.4;cursor:not-allowed}.nut-nho{display:inline-block;width:auto;padding:7px 12px;font-size:13px}.nut-chu{background:none;border:0;padding:0;color:var(--mo);font-size:13px;text-decoration:underline;cursor:pointer;width:auto;font-family:BeVietnamPro,system-ui,sans-serif}.canhbao{border:1px solid var(--do);padding:12px 14px;margin:14px 0;font-size:14px}.mo{opacity:.45}.dem{font-size:34px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em}.qr{display:block;width:100%;max-width:260px;margin:0 auto;border:1px solid var(--nhat)}.ma{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;word-break:break-all}@media(min-width:520px){.doi{display:grid;grid-template-columns:1fr 1fr;gap:0}}