:root{
  --blue:#0977d6;
  --blue-dark:#075ca8;
  --cyan:#18a8ff;
  --orange:#ff8a00;
  --red:#ff3b30;
  --ink:#172033;
  --muted:#667085;
  --bg:#f4f8ff;
  --surface:#ffffff;
  --line:#dbe7f6;
  --soft:#eef6ff;
  --shadow:0 24px 70px rgba(9,119,214,.16);
  --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#fff 0%,#f4f8ff 42%,#fff 100%);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.top-strip{height:42px;background:linear-gradient(90deg,var(--blue-dark),var(--blue),var(--cyan));color:white;display:flex;align-items:center;justify-content:center;gap:28px;font-size:14px;font-weight:600;padding:0 18px}.top-strip strong{color:#fff3c4}.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1180px;margin:18px auto 0;padding:14px 18px;border:1px solid rgba(219,231,246,.9);border-radius:999px;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);box-shadow:0 14px 40px rgba(16,24,40,.08)}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;font:900 24px 'Be Vietnam Pro',sans-serif;box-shadow:0 10px 25px rgba(9,119,214,.28)}.brand b{display:block;font:900 15px 'Be Vietnam Pro',sans-serif;letter-spacing:.02em}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.site-header nav{display:flex;gap:24px;color:#344054;font-size:14px;font-weight:700}.site-header nav a:hover{color:var(--blue)}.header-phone{background:var(--orange);color:white;border-radius:999px;padding:13px 18px;font-weight:900;box-shadow:0 10px 24px rgba(255,138,0,.25)}.hero{max-width:1180px;margin:0 auto;padding:86px 20px 70px;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}.kicker{display:inline-flex;align-items:center;gap:9px;margin:0;color:var(--blue);text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900}.kicker:before{content:"";width:28px;height:3px;border-radius:999px;background:var(--orange)}h1,h2,h3{margin:0;font-family:'Be Vietnam Pro',Inter,sans-serif;color:var(--ink);letter-spacing:-.04em}h1{font-size:clamp(44px,6.3vw,78px);line-height:.98;margin:18px 0 22px}h2{font-size:clamp(31px,4vw,52px);line-height:1.08}h3{font-size:23px}.hero-lead{font-size:19px;line-height:1.82;color:#4f6074;max-width:610px;margin-top:26px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 24px;border-radius:999px;font-weight:900;border:1px solid transparent;transition:.18s transform,.18s box-shadow}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--orange),#ffb000);color:white;box-shadow:0 14px 34px rgba(255,138,0,.28)}.btn-light{background:white;color:var(--blue);border-color:var(--line)}.btn-outline{border-color:#b9d9f6;color:var(--blue);background:#fff;box-shadow:0 10px 26px rgba(9,119,214,.1)}.price-card:not(.featured) .btn-outline{background:linear-gradient(135deg,#ffffff,#eef7ff);border-color:#8fc8f6;color:#075ca8}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}.hero-points span{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:10px 13px;color:#31506f;font-weight:800;font-size:13px}.hero-card{position:relative;background:white;border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow);overflow:visible;transform:rotate(1deg)}.window-bar{height:56px;display:flex;align-items:center;gap:9px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--muted)}.window-bar i{width:12px;height:12px;border-radius:50%;background:#ff5f57}.window-bar i:nth-child(2){background:#ffbd2e}.window-bar i:nth-child(3){background:#28c840}.window-bar b{margin-left:9px}.software-preview{display:grid;grid-template-columns:132px 1fr;min-height:410px}.software-preview aside{background:#eaf5ff;border-radius:0 0 0 34px;padding:22px 12px;display:flex;flex-direction:column;gap:12px}.software-preview aside span{border-radius:999px;padding:13px 15px;color:#4c6b8b;font-weight:800;font-size:14px}.software-preview aside .active{background:var(--blue);color:white}.software-preview section{padding:24px}.filter-row{display:grid;grid-template-columns:1fr 1.25fr;gap:12px}.filter-row div{background:#f8fbff;border:1px solid var(--line);border-radius:18px;padding:14px}.filter-row small{display:block;color:var(--muted);margin-bottom:6px}.data-table{margin-top:18px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.row{display:grid;grid-template-columns:.9fr 1.45fr .95fr;gap:12px;padding:15px;border-bottom:1px solid #eef3fa;font-size:14px}.row:last-child{border-bottom:0}.row.head{background:#f2f8ff;color:var(--blue);font-weight:900}.status{margin:18px 0 0;color:#10854d;font-weight:900}.float-badge{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:0 18px 44px rgba(16,24,40,.14);border-radius:22px;padding:16px 20px}.float-badge b{display:block;font:900 24px 'Be Vietnam Pro';color:var(--red)}.float-badge span{color:var(--muted);font-weight:800;font-size:13px}.badge-one{left:-22px;bottom:58px}.badge-two{right:-18px;top:86px}.intro-band{background:linear-gradient(135deg,#075ca8,#0977d6);color:white;text-align:center;padding:46px 20px;margin:0 auto}.intro-band h2{color:white;font-size:clamp(28px,3vw,42px)}.intro-band p{max-width:760px;margin:14px auto 0;color:#dff0ff;font-size:17px;line-height:1.7}.section-block{max-width:1180px;margin:0 auto;padding:94px 20px}.section-title{max-width:780px;margin:0 auto 48px;text-align:center}.section-title .kicker:before{display:none}.section-title.narrow{max-width:850px}.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}.price-card{position:relative;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:0 18px 56px rgba(16,24,40,.08);display:flex;flex-direction:column}.price-card.featured{border:2px solid var(--orange);box-shadow:0 28px 80px rgba(255,138,0,.18);transform:translateY(-10px)}.ribbon{position:absolute;right:28px;top:-18px;background:linear-gradient(135deg,#ff3b30,#ff8a00);color:white;border-radius:999px;padding:12px 18px;font-weight:900;box-shadow:0 16px 34px rgba(255,59,48,.32);letter-spacing:.02em}.tag{display:inline-flex;width:max-content;background:#e7f3ff;color:var(--blue);border-radius:999px;padding:8px 12px;font-weight:900;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.card-top p{color:var(--muted);line-height:1.65}.price{margin:20px 0 22px}.price b{font:900 clamp(34px,4vw,48px) 'Be Vietnam Pro';color:var(--red);letter-spacing:-.05em}.price span{color:#344054;font-weight:900;font-size:16px}.price span:after{content:' · trọn gói';color:#667085;font-weight:800}.price-card ul{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px}.price-card li{position:relative;padding-left:28px;color:#344054;line-height:1.55;font-weight:650}.price-card li:before{content:"✓";position:absolute;left:0;top:0;color:#12b76a;font-weight:900}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-grid article{background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 14px 44px rgba(16,24,40,.06);min-height:252px;display:flex;flex-direction:column}.icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;font-weight:900;margin-bottom:22px}.feature-grid p,.compare-card p,.support-panel p{color:#4f6074;line-height:1.72}.compare-card{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:center;background:linear-gradient(135deg,#f0f8ff,#fff);border:1px solid var(--line);border-radius:34px;padding:40px;box-shadow:var(--shadow)}.compare-table{background:white;border:1px solid var(--line);border-radius:24px;overflow:hidden}.line{display:grid;grid-template-columns:1.6fr .55fr .55fr;align-items:center;border-bottom:1px solid #edf3fa}.line:last-child{border-bottom:0}.line span,.line b{padding:15px 16px}.line b{text-align:center;color:var(--blue);font-size:24px;font-weight:900}.line.head{background:#0b70c7;color:white;font-weight:900}.line.head b{color:white;font-size:18px}.support-panel{text-align:center;background:linear-gradient(135deg,var(--blue-dark),var(--blue));border-radius:36px;color:white;padding:58px 34px;box-shadow:var(--shadow)}.support-panel h2{color:white;max-width:820px;margin:0 auto}.support-panel p{color:#dceeff;max-width:720px;margin:16px auto 30px}.contact-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:900px;margin:0 auto}.contact-card{background:white;color:var(--ink);border-radius:22px;padding:22px;display:grid;gap:6px;box-shadow:0 12px 30px rgba(0,0,0,.1)}.contact-card span{font-size:28px}.contact-card b{font:900 19px 'Be Vietnam Pro'}.contact-card small{color:#4f6074;font-weight:800;font-size:14px}footer{max-width:1180px;margin:0 auto;padding:28px 20px 38px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted)}footer b{display:block;color:var(--ink);font-family:'Be Vietnam Pro'}footer span{display:block;margin-top:4px}@media(max-width:930px){.top-strip{height:auto;min-height:42px;flex-direction:column;gap:2px;padding:8px 14px}.site-header nav,.header-phone{display:none}.hero,.pricing-grid,.feature-grid,.compare-card,.contact-actions{grid-template-columns:1fr}.hero{padding-top:54px}.software-preview{grid-template-columns:1fr}.software-preview aside{display:none}.float-badge{display:none}.price-card.featured{transform:none}.compare-card{padding:28px}.line{grid-template-columns:1.35fr .55fr .55fr}.row{font-size:12px}.filter-row{grid-template-columns:1fr}footer{display:block}h1{font-size:43px}}

.download-panel {
  border: 1px solid rgba(220, 38, 38, .18);
  box-shadow: 0 28px 90px rgba(127, 29, 29, .16);
}
.download-panel strong { color: #b91c1c; }
.price-card .btn + .btn { margin-top: 10px; }