/* Minh Nguyễn Ads – giao diện "Dark Luxury Tech": khối đầu navy, nhấn gradient xanh dương → xanh lá, section xen kẽ nền trắng / xám nhạt / navy.
   Màu lấy từ config.json (brand.colors) qua biến --primary, --accent, --ink, --muted, --bg, --card, --navy, --navy2, --blue, --green, --soft, --r.
   Mọi hiệu ứng tắt khi người dùng bật "giảm chuyển động". */
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;font-family:"Be Vietnam Pro","BVP Fallback",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16.5px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
@font-face{font-family:"BVP Fallback";src:local("Arial");size-adjust:104%;ascent-override:95%}
img,svg{max-width:100%}
img{height:auto}
a{color:var(--primary)}
h1,h2,h3{line-height:1.22;letter-spacing:-.015em;text-wrap:balance;font-weight:800}
h1{font-size:clamp(30px,4.6vw,52px);margin:.35em 0 .4em}
h2{font-size:clamp(25px,3vw,38px);margin:0 0 .45em}
h3{font-size:19px;margin:.2em 0 .35em;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.grad{background:linear-gradient(92deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(17px,1.6vw,19.5px);color:var(--muted);max-width:64ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 6px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--blue),var(--green))}
.note{font-size:13.5px;color:var(--muted)}
.center{text-align:center}

/* ---- Nút ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:0;border-radius:999px;padding:12px 22px;background:linear-gradient(95deg,var(--blue),#1d9bf0 45%,var(--green));color:#fff;font-weight:700;font-size:15px;line-height:1.25;font-family:inherit;cursor:pointer;text-decoration:none;text-align:center;white-space:normal;box-shadow:0 10px 26px -12px rgba(37,99,235,.7);transition:transform .15s,box-shadow .15s,filter .15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 30px -12px rgba(34,197,94,.65)}
.btn.big{min-height:52px;padding:14px 28px;font-size:16px}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid #cdd5e3;box-shadow:none}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary)}
.dark .btn.ghost,.hero .btn.ghost,.phero .btn.ghost,.cta-band .btn.ghost,.cta-box .btn.ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.dark .btn.ghost:hover,.hero .btn.ghost:hover,.phero .btn.ghost:hover,.cta-band .btn.ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.linkbtn{background:none;border:0;padding:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary);text-decoration:none;margin-top:auto;padding-top:6px}
.more::after{content:"→";transition:transform .15s}
a.card:hover .more::after,.more:hover::after{transform:translateX(4px)}

/* ---- Thanh menu (navy kính mờ) ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,15,30,.94);border-bottom:1px solid rgba(255,255,255,.08);transition:background .2s,box-shadow .2s}
.nav.scrolled{background:rgba(10,15,30,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 30px -20px rgba(0,0,0,.8)}
.nav-in{display:flex;align-items:center;gap:16px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo img{display:block;width:40px;height:40px}
.logo b{background:linear-gradient(92deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.menu a.top,.dd-btn{display:flex;align-items:center;gap:6px;padding:10px 11px;border-radius:10px;color:#dbe3f1;font-weight:600;font-size:14.5px;line-height:1;font-family:inherit;text-decoration:none;background:none;border:0;cursor:pointer;white-space:nowrap}
.menu a.top:hover,.dd-btn:hover,.menu a.top[aria-current="page"],.dd.on>.dd-btn{color:#fff;background:rgba(255,255,255,.08)}
.menu a.top[aria-current="page"],.dd.on>.dd-btn{box-shadow:inset 0 -2px 0 var(--green)}
.dd{position:relative}
.dd-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.8;transition:transform .15s}
.dd-panel{position:absolute;left:0;top:calc(100% + 10px);min-width:310px;padding:8px;background:#fff;border:1px solid #e3e8f1;border-radius:var(--r);box-shadow:0 30px 60px -28px rgba(10,15,30,.55);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility .15s}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.dd-panel a{display:block;padding:11px 13px;border-radius:12px;color:var(--ink);text-decoration:none}
.dd-panel a b{display:block;font-weight:700;font-size:15px}
.dd-panel a small{display:block;color:var(--muted);font-size:13px;line-height:1.4;margin-top:2px}
.dd-panel a:hover,.dd-panel a[aria-current="page"]{background:#eef4ff}
@media (hover:hover) and (min-width:1101px){.dd:hover>.dd-panel,.dd:focus-within>.dd-panel{opacity:1;visibility:visible;transform:none}.dd:hover .dd-btn svg{transform:rotate(180deg)}}
.dd.open>.dd-panel{opacity:1;visibility:visible;transform:none}.dd.open .dd-btn svg{transform:rotate(180deg)}
.join{min-height:42px;padding:10px 18px;font-size:14.5px}
.menu-foot{display:none}
.burger{display:none;width:46px;height:46px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.04);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1100px){
  .nav-in{height:62px}
  .logo{font-size:17px}.logo img{width:36px;height:36px}
  .burger{display:flex;margin-left:auto}
  .join{display:none}
  .menu{display:none;position:fixed;top:62px;left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 24px;background:var(--navy);overflow:auto;overscroll-behavior:contain}
  .menu.open{display:flex}
  .menu a.top,.dd-btn{width:100%;justify-content:space-between;padding:15px 6px;font-size:17px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07)}
  .menu a.top[aria-current="page"],.dd.on>.dd-btn{box-shadow:none;color:var(--green)}
  .dd-panel{position:static;min-width:0;box-shadow:none;border:0;background:transparent;border-radius:0;padding:4px 0 8px 12px;display:none;opacity:1;visibility:visible;transform:none}
  .dd.open>.dd-panel{display:block}
  .dd-panel a{color:#e6ecf7;padding:11px 10px}
  .dd-panel a small{color:#93a1b8}
  .dd-panel a:hover,.dd-panel a[aria-current="page"]{background:rgba(255,255,255,.06)}
  .menu-foot{display:grid;gap:10px;margin-top:20px}
  .menu-foot .btn.ghost{color:#fff;border-color:rgba(255,255,255,.3)}
  .menu-foot .btn{width:100%}
}

/* ---- Đường dẫn ---- */
.crumbs-bar{background:var(--navy);border-top:1px solid rgba(255,255,255,.05)}
.crumbs{max-width:1200px;margin:0 auto;padding:10px 20px 0;font-size:13px;color:#8d9bb3}
.crumbs a{color:#b7c3d8;text-decoration:none}.crumbs a:hover{color:#fff}

/* ---- Khối đầu (navy) ---- */
.hero,.phero,.dark,.cta-band{position:relative;overflow:hidden;color:#e7edf8;background:radial-gradient(1200px 500px at 85% -10%,rgba(59,130,246,.22),transparent 60%),radial-gradient(900px 420px at 0% 110%,rgba(34,197,94,.14),transparent 60%),linear-gradient(160deg,var(--navy),var(--navy2))}
.hero::before,.phero::before,.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 25%,transparent 75%);mask-image:radial-gradient(ellipse at 70% 30%,#000 25%,transparent 75%);pointer-events:none}
.hero::after{content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(34,197,94,.16),transparent 65%);animation:troi 16s ease-in-out infinite alternate;pointer-events:none}
@keyframes troi{to{transform:translate(-90px,70px) scale(1.1)}}
.hero h1,.phero h1,.dark h2,.dark h3,.cta-band h2{color:#fff}
.hero .lede,.phero .lede,.dark .lede,.cta-band p{color:#b8c4d9}
.hero .eyebrow,.phero .eyebrow,.dark .eyebrow,.cta-band .eyebrow{color:#7fb2ff}
.hero{padding:64px 0 76px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.pills li{padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:13.5px;font-weight:600;color:#dbe4f3}
.trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.trust div{min-width:120px}
.trust b{display:block;font-size:30px;line-height:1.1;font-weight:800;color:#fff}
.trust span{font-size:13.5px;color:#9fb0c9}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero{padding:40px 0 54px}}

/* Bảng điều khiển minh hoạ ở khối đầu */
.cockpit{position:relative;padding:18px;border-radius:22px;background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);box-shadow:0 40px 80px -40px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.cockpit-top{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:13px;color:#a9b7cf}
.cockpit-top i{width:9px;height:9px;border-radius:50%;background:#ff5f57}.cockpit-top i:nth-child(2){background:#febc2e}.cockpit-top i:nth-child(3){background:#28c840}
.cockpit-top span{margin-left:6px;font-weight:600}
.cockpit-top em{margin-left:auto;font-style:normal;font-size:11.5px;padding:3px 9px;border-radius:999px;background:rgba(34,197,94,.14);color:#6ee7a0;border:1px solid rgba(34,197,94,.3)}
.agent{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:14px;background:rgba(5,10,22,.55);border:1px solid rgba(255,255,255,.07);margin-top:9px}
.agent .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(59,130,246,.35),rgba(34,197,94,.3))}
.agent .ic svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.agent b{display:block;color:#fff;font-size:14.5px}
.agent small{display:block;color:#93a3bd;font-size:12.5px;line-height:1.35}
.agent .st{font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:999px;background:rgba(59,130,246,.16);color:#9cc3ff;white-space:nowrap}
.agent .st.ok{background:rgba(34,197,94,.15);color:#6ee7a0}
.agent .st.live::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#22c55e;margin-right:5px;vertical-align:1px;animation:nhay 1.6s infinite}
@keyframes nhay{50%{opacity:.25}}
.cockpit-foot{margin-top:12px;font-size:11.5px;color:#7d8ca6;text-align:right}

/* ---- Khối đầu trang con ---- */
.phero{padding:26px 0 60px}
.phero .wrap{position:relative;z-index:1}
.phero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
@media (max-width:960px){.phero-grid{grid-template-columns:1fr;gap:26px}.phero{padding:18px 0 44px}}
.price-card{padding:24px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14)}
.price-card .lbl{font-size:13px;color:#9fb0c9;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.price-card .val{display:block;font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1.15;margin:4px 0 6px}
.price-card ul{margin:14px 0 18px;padding:0;list-style:none}
.price-card li{position:relative;padding:5px 0 5px 28px;color:#dbe4f3;font-size:15px}
.price-card li::before{content:"";position:absolute;left:0;top:9px;width:18px;height:18px;border-radius:50%;background:rgba(34,197,94,.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322c55e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.price-card .btn{width:100%}
.price-card .note{color:#8e9db6;margin:10px 0 0}

/* ---- Section ---- */
.sec{padding:76px 0}
.sec.alt{background:var(--soft)}
.dark.sec{padding:76px 0}
.dark .wrap{position:relative;z-index:1}
.sec-head{max-width:760px;margin:0 auto 38px;text-align:center}
.sec-head .lede{margin:0 auto}
.sec-head.left{margin-left:0;text-align:left}
@media (max-width:700px){.sec,.dark.sec{padding:52px 0}.sec-head{margin-bottom:28px}}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.grid.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.grid,.grid.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid,.grid.g2,.grid.g4{grid-template-columns:1fr}}

/* ---- Thẻ ---- */
.card{position:relative;display:flex;flex-direction:column;gap:6px;padding:26px;background:var(--card);border:1px solid #e3e8f1;border-radius:var(--r);color:var(--ink);text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
a.card:hover{transform:translateY(-4px);border-color:#bcd0f5;box-shadow:0 26px 48px -30px rgba(15,35,80,.45)}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.card h3{margin:6px 0 2px}
.card .price{margin-top:8px;font-weight:800;color:var(--ink);font-size:16px}
.card .price small{font-weight:500;color:var(--muted)}
.card.hl{border:1.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--blue),var(--green)) border-box}
.card .badge{position:absolute;top:16px;right:16px;font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;background:linear-gradient(95deg,var(--blue),var(--green));color:#fff}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);color:#e7edf8}
.dark .card p{color:#a9b7cf}
.dark a.card:hover{border-color:rgba(59,130,246,.5)}
.ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e8f0ff,#e3f8ec);flex:none}
.ico svg{width:25px;height:25px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dark .ico{background:linear-gradient(135deg,rgba(59,130,246,.3),rgba(34,197,94,.25))}
.dark .ico svg{stroke:#fff}
.tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent)}
.meta{font-size:13px;color:var(--muted)}

/* Số liệu */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:24px 20px;border-radius:var(--r);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);text-align:center}
.stat b{display:block;font-size:clamp(32px,4vw,44px);line-height:1.1;font-weight:800}
.stat span{display:block;margin-top:6px;font-size:14.5px;color:#a9b7cf}
.stats.s3{grid-template-columns:repeat(3,1fr)}
@media (max-width:800px){.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.stats.s3{grid-template-columns:1fr}}

/* Quy trình */
.steps{counter-reset:b;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0;padding:0;list-style:none}
.steps li{counter-increment:b;position:relative;padding:58px 22px 22px;border-radius:var(--r);background:#fff;border:1px solid #e3e8f1}
.sec.alt .steps li{background:#fff}
.steps li::before{content:counter(b,decimal-leading-zero);position:absolute;left:22px;top:18px;font-size:22px;font-weight:800;background:linear-gradient(92deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.steps b{display:block;font-size:17px;margin-bottom:4px}
.steps span{display:block;color:var(--muted);font-size:15px}
.dark .steps li{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1)}
.dark .steps b{color:#fff}.dark .steps span{color:#a9b7cf}
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}

/* Hai cột */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.split.top{align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:28px}}
.check{margin:14px 0;padding:0;list-style:none}
.check li{position:relative;padding:7px 0 7px 32px}
.check li::before{content:"";position:absolute;left:0;top:10px;width:21px;height:21px;border-radius:50%;background:#dcfce7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat}
.check.no li::before{background:#fee2e2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23dc2626' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E") center/11px no-repeat}
.dark .check li{color:#dbe4f3}
.panel{padding:30px;border-radius:22px;background:#fff;border:1px solid #e3e8f1;box-shadow:0 30px 60px -40px rgba(15,35,80,.35)}
.sec.alt .panel{background:#fff}
.panel h3{margin-top:0}
.callout{padding:18px 20px;border-radius:14px;background:#fff8e6;border:1px solid #f6d48a;color:#6b4a00;font-size:15px}
.callout b{color:#4a3300}

/* Bảng */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid #e3e8f1;border-radius:16px;overflow:hidden;font-size:15.5px}
.tbl th,.tbl td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #edf1f7}
.tbl thead th{background:var(--navy);color:#fff;font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.tbl tr:last-child td{border-bottom:0}
.tbl td.p{font-weight:800;white-space:nowrap;color:var(--ink)}
.tbl tbody tr:hover td{background:#f8fbff}
.tbl .grp td{background:#eef4ff;font-weight:800;color:var(--primary);font-size:14px;text-transform:uppercase;letter-spacing:.05em}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}
@media (max-width:640px){
  .tbl.stack thead{display:none}
  .tbl.stack,.tbl.stack tbody,.tbl.stack tr,.tbl.stack td{display:block;width:100%}
  .tbl.stack tr{padding:12px 16px;border-bottom:1px solid #edf1f7}
  .tbl.stack td{padding:3px 0;border:0}
  .tbl.stack td:first-child{font-weight:700}
  .tbl.stack td.p{white-space:normal;color:var(--primary)}
  .tbl.stack .grp td{background:none;padding:6px 0}
  .tbl.stack tr.grp{background:#eef4ff}
}
.cmp th:nth-child(3),.cmp td:nth-child(3){background:#f0fdf4}
.cmp thead th:nth-child(3){background:linear-gradient(95deg,#1e40af,#15803d)}

/* Dải kêu gọi */
.cta-band{padding:64px 0}
.cta-band .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center}
.cta-band h2{margin-bottom:.3em}
.cta-band .actions{justify-content:flex-end;margin:0}
@media (max-width:860px){.cta-band .wrap{grid-template-columns:1fr}.cta-band .actions{justify-content:flex-start}}

/* FAQ */
.faqs{max-width:860px;margin:0 auto}
details.faq{border:1px solid #e3e8f1;border-radius:14px;background:#fff;margin:10px 0;padding:0 20px;transition:border-color .15s}
details.faq[open]{border-color:#bcd0f5;box-shadow:0 18px 40px -32px rgba(15,35,80,.5)}
details.faq summary{cursor:pointer;font-weight:700;padding:17px 30px 17px 0;list-style:none;position:relative}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:24px;font-weight:400;color:var(--primary);transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq div{color:var(--muted);padding-bottom:6px}

/* Bài viết, blog */
.post-body{max-width:800px;padding-top:28px;padding-bottom:20px}
.post-body h2{font-size:clamp(23px,2.6vw,30px);margin:1.6em 0 .5em}
.post-body h3{margin-top:1.3em}
.post-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:15.5px}
.post-body th,.post-body td{border-bottom:1px solid #e3e8f1;padding:11px;text-align:left;vertical-align:top}
.post-body th{background:var(--soft)}
.post-body li{margin:.3em 0}
.post-body .lede{color:#334155}
.cta-box{margin:40px 0;padding:28px;border-radius:var(--r);color:#e7edf8;background:linear-gradient(160deg,var(--navy),var(--navy2))}
.cta-box h2{margin-top:0;color:#fff}
.cta-box p{color:#b8c4d9}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px}
.chip{border:1px solid #d5dbe6;background:#fff;border-radius:999px;padding:9px 16px;font-weight:600;font-size:14px;line-height:1;font-family:inherit;cursor:pointer;min-height:40px}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.blog-list{padding:36px 20px 20px}
.card.post h3{font-size:18px}

/* Liên hệ */
.contact-list{margin:0;padding:0;list-style:none}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid #e3e8f1}
.contact-list li:last-child{border-bottom:0}
.contact-list b{display:block}
.contact-list a{font-weight:700}

/* ---- Chân trang, nút nổi ---- */
.foot{padding:56px 0 30px;background:#070b16;color:#a9b5ca;font-size:15px}
.foot a{color:#dbe4f3;text-decoration:none}.foot a:hover{color:#fff;text-decoration:underline}
.foot .linkbtn{color:#dbe4f3}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:30px}
.foot h3{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.foot p{margin:.35em 0}
.foot-tag{margin-top:14px!important;color:#c9d3e4}
.foot-note{font-size:12.5px;color:#76839b;margin-top:12px!important}
.copy{font-size:13px;color:#76839b;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07)}
@media (max-width:900px){.foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-in{grid-template-columns:1fr}}
.float-cta{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px}
.float-cta a{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;color:#fff;font-weight:800;font-size:13px;text-decoration:none;box-shadow:0 12px 26px -10px rgba(0,0,0,.55)}
.float-cta svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.fz{background:#0068ff}.fp{background:linear-gradient(135deg,var(--green),#15803d);animation:rung 3s infinite}
@keyframes rung{0%,86%,100%{transform:none}89%{transform:rotate(-12deg)}92%{transform:rotate(12deg)}95%{transform:rotate(-8deg)}}
.mbar{display:none}
@media (max-width:760px){
  .float-cta{display:none}
  body{padding-bottom:66px}
  .mbar{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(10,15,30,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.1)}
  .mbar a,.mbar button{display:flex;align-items:center;justify-content:center;gap:6px;min-height:48px;border-radius:12px;font-weight:700;font-size:14px;line-height:1.15;font-family:inherit;text-decoration:none;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);cursor:pointer}
  .mbar svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .mbar .zl{font-size:10px;padding:2px 4px;border-radius:5px;background:#0068ff}
  .mbar .go{background:linear-gradient(95deg,var(--blue),var(--green));border:0}
}

/* ---- Form trượt, cookie ---- */
.drawer{position:fixed;inset:0;z-index:60}
.drawer-bg{position:absolute;inset:0;background:rgba(5,10,22,.6);backdrop-filter:blur(2px)}
.drawer-box{position:absolute;right:0;top:0;bottom:0;width:min(460px,100%);background:#fff;padding:30px 26px calc(30px + env(safe-area-inset-bottom));overflow:auto;animation:vao .25s ease-out;box-shadow:-30px 0 60px -30px rgba(0,0,0,.5)}
.drawer-box h2{font-size:28px;margin:0 0 6px}
.drawer-sub{color:var(--muted);font-size:15px}
@keyframes vao{from{transform:translateX(30px);opacity:0}}
.drawer-x{position:absolute;right:14px;top:12px;width:44px;height:44px;border:0;border-radius:12px;background:var(--soft);font-size:28px;line-height:1;cursor:pointer}
form label{display:grid;gap:6px;margin:13px 0;font-size:14.5px;font-weight:600}
form input,form textarea,form select{font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid #d5dbe6;border-radius:12px;width:100%;background:#fff;color:var(--ink)}
form input:focus,form textarea:focus,form select:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px rgba(59,130,246,.15)}
form .consent{grid-template-columns:auto 1fr;align-items:start;font-weight:400;font-size:13.5px;color:var(--muted)}
form .consent input{width:20px;height:20px;margin-top:1px}
form .btn{width:100%}
.hp{position:absolute!important;left:-9999px!important}
.form-msg{min-height:1.4em;font-size:14.5px;margin:10px 0 0}
.form-msg.err{color:#c62828}.form-msg.ok{color:#15803d;font-weight:700}
.drawer-alt{font-size:14px;color:var(--muted);text-align:center}
.ck-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:720px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 16px;background:#fff;border:1px solid #e3e8f1;border-radius:16px;box-shadow:0 18px 40px -20px rgba(0,0,0,.45);font-size:14px}
.ck-bar p{flex:1 1 300px;margin:0}
@media (max-width:760px){.ck-bar{bottom:76px}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}