:root{--navy-950:#061529;--navy-900:#0a1f3c;--navy-800:#0f2c52;--navy-700:#16406f;--navy-100:#e6edf7;--orange:#f26b1d;--orange-600:#d9560b;--orange-50:#fff3ea;--zalo:#0068ff;--zalo-600:#0052cc;--ink:#0f172a;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#ffffff;--soft:#f5f7fb;--ok:#0f9d58;--r:14px;--r-lg:20px;--sh-sm:0 1px 2px rgba(10,31,60,.06),0 2px 8px rgba(10,31,60,.05);--sh:0 10px 30px -12px rgba(10,31,60,.25),0 4px 10px -6px rgba(10,31,60,.12);--sh-lg:0 30px 60px -20px rgba(6,21,41,.45);--font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--header-h:72px}*,*::before,*::after{box-sizing:border-box}html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 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p{margin:0;color:var(--muted);font-size:.95rem}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}.price-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}.price-pop{border:2px solid var(--orange);box-shadow:var(--sh)}.pop-tag{position:absolute;top:-13px;right:20px;background:var(--orange);color:#fff;font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:999px}.load{color:var(--muted);font-size:.93rem;margin-bottom:8px}.price{font-size:1.05rem;color:var(--ink);padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:14px}.price b{font-size:1.5rem;color:var(--navy-900)}.fit{font-size:.94rem;flex:1}.price-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#cdd8e8;border-radius:var(--r-lg);padding:32px 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var(--line);box-shadow:var(--sh)}.prose{font-size:1.04rem;min-width:0}.prose h2{font-size:1.6rem;margin-top:1.8em}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.2rem;margin-top:1.5em}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.35em 0}.prose li::marker{color:var(--orange)}.prose strong{color:var(--ink)}.prose blockquote{margin:1.5em 0;padding:16px 20px;border-left:4px solid var(--orange);background:var(--orange-50);border-radius:0 12px 12px 0;color:var(--ink)}.prose blockquote p:last-child{margin:0}.table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:var(--r)}.prose table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:560px}.prose th{background:var(--navy-900);color:#fff;text-align:left;font-weight:600;padding:12px 14px}.prose td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}.prose tr:nth-child(even) td{background:var(--soft)}.prose td 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