/* ============================================================
   FONT DỰ PHÒNG KHỚP METRIC — chống CLS khi webfont swap.
   Đo thực tế bằng canvas measureText:
     Be Vietnam Pro rộng hơn Segoe UI 1,0916 lần  -> size-adjust 109.16%
     Cormorant Garamond chỉ bằng 0,7579 lần Georgia (hẹp hơn 24%!) nhưng
     bằng 0,9078 lần Times New Roman -> dùng Times làm gốc, size-adjust 90.78%
   Nếu đổi font chữ, PHẢI đo lại 2 tỉ lệ này.
   ============================================================ */
@font-face{font-family:'BVP-fallback';
  src:local('Segoe UI'),local('Helvetica Neue'),local('Arial');
  size-adjust:109.16%;font-display:swap}
@font-face{font-family:'CG-fallback';
  src:local('Times New Roman'),local('Times'),local('Liberation Serif');
  size-adjust:90.78%;font-display:swap}

:root{
  --teal-900:#062f38; --teal-800:#0a4653; --teal-700:#0f6070; --teal-600:#137d8f;
  --teal-500:#1a9aae; --teal-400:#3aa9ba; --teal-200:#b6dfe5; --teal-100:#e4f2f4;
  --lime:#9ec63b; --lime-soft:#eaf3d6;
  --gold:#c0972f; --gold-2:#e0be62; --gold-soft:#f6eed8;
  /* --ink-faint đã tối lại từ #7e9298 -> #5c7076 để đạt tương phản WCAG AA (4.5:1) trên nền cream */
  --ink:#152b31; --ink-soft:#4f6a70; --ink-faint:#5c7076;
  --cream:#fcfaf6; --cream-2:#f4f0e8; --line:#e4ded1; --line-2:#efeae0;
  --brand:linear-gradient(118deg,var(--teal-700) 0%,var(--teal-400) 58%,var(--lime) 100%);
  --shadow:0 18px 44px rgba(6,47,56,.11);
  --shadow-sm:0 8px 22px rgba(6,47,56,.08);
  --radius:18px;
  --nav-h:64px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Be Vietnam Pro','BVP-fallback',system-ui,sans-serif;font-size:16px;line-height:1.72;
  color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-700);text-decoration:none;transition:color .2s}
a:hover{color:var(--teal-500)}
h1,h2,h3,h4{text-wrap:balance;margin:0}
/* Display serif chỉ dùng cho H1/H2 cỡ lớn — Cormorant Garamond có x-height nhỏ nên phải bù cỡ */
h1,h2{font-family:'Cormorant Garamond','CG-fallback','Times New Roman',serif;font-weight:600;letter-spacing:.1px}
h1{font-size:clamp(34px,5.6vw,60px);line-height:1.1}
h2{font-size:clamp(28px,4vw,44px);line-height:1.16}
/* H3/H4 dùng sans để không bị mảnh ở cỡ nhỏ */
h3,h4{font-family:'Be Vietnam Pro','BVP-fallback',system-ui,sans-serif;font-weight:600;letter-spacing:-.1px}
h3{font-size:clamp(17.5px,1.7vw,20px);line-height:1.38}
p{text-wrap:pretty;margin:0 0 1.05em}
ul,ol{text-wrap:pretty}
li{text-wrap:pretty}
strong{font-weight:600;color:var(--teal-800)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 20px}
section{scroll-margin-top:calc(var(--nav-h) + 58px)}
.nb{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- khối tiêu đề ---------- */
/* teal-700 chứ không phải teal-600: teal-600 chỉ đạt 4.23:1 trên nền cream-2, dưới ngưỡng AA */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;font-weight:700;
  letter-spacing:2.6px;text-transform:uppercase;color:var(--teal-700);margin-bottom:14px}
.eyebrow::before{content:'';width:26px;height:1.5px;background:var(--gold);display:block}
.lead-p{font-size:17.5px;color:var(--ink-soft);max-width:64ch}
h1+.lead-p,h2+.lead-p,h2+p,h3+p{margin-top:15px}
.sec{padding:clamp(56px,7vw,96px) 0}
.sec-cream{background:var(--cream-2)}
.sec-deep{background:var(--teal-900);color:#dfeef0}
.sec-deep h2,.sec-deep h3{color:#fff}
.sec-deep .eyebrow{color:var(--teal-200)}
.sec-deep p{color:#b9d4d8}
.sec-head{margin-bottom:clamp(30px,4vw,50px)}

/* ---------- icon ---------- */
.ic{width:24px;height:24px;flex:0 0 auto;stroke:currentColor;fill:none;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ic-badge{width:48px;height:48px;border-radius:13px;background:var(--teal-100);
  color:var(--teal-700);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.sec-deep .ic-badge{background:rgba(58,169,186,.16);color:var(--teal-200)}
/* strong mặc định là teal-800 — trên nền teal-900 chỉ đạt 1.36:1, chữ gần như vô hình. Phải ép sáng. */
.sec-deep strong{color:#fff}
.ic-badge-gold{background:var(--gold-soft);color:var(--gold)}

/* ---------- header ---------- */
.topbar{background:var(--teal-900);color:#c8e2e6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#c8e2e6}
.topbar a:hover{color:#fff}
.topbar-fact{display:flex;align-items:center;gap:7px}
.topbar-fact .ic{width:16px;height:16px}
header.site{position:sticky;top:0;z-index:60;background:rgba(252,250,246,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:20px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 auto}
.brand-txt{line-height:1.15}
.brand-name{font-family:'Cormorant Garamond','CG-fallback','Times New Roman',serif;font-size:18px;color:var(--teal-900);letter-spacing:.4px}
.brand-sub{font-size:10px;letter-spacing:2.2px;text-transform:uppercase;color:var(--ink-faint);font-weight:600}
.hdr-nav{display:flex;gap:22px;margin-left:auto}
.hdr-nav a{font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap}
.hdr-nav a:hover{color:var(--teal-600)}
/* nowrap: số điện thoại KHÔNG được tách 2 dòng */
.btn-call{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;
  font-weight:600;font-size:14.5px;padding:10px 19px;border-radius:999px;box-shadow:var(--shadow-sm);
  white-space:nowrap;flex:0 0 auto;margin-left:auto}
.btn-call:hover{color:#fff;filter:brightness(1.07)}
@media(max-width:1040px){.hdr-nav{display:none}}

/* ---------- anchor nav ---------- */
.anchornav{position:sticky;top:var(--nav-h);z-index:55;background:var(--teal-800);
  border-bottom:1px solid rgba(255,255,255,.1)}
.anchornav-in{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.anchornav-in::-webkit-scrollbar{display:none}
.anchornav a{flex:0 0 auto;padding:14px 15px;font-size:13.5px;font-weight:500;color:#a9cdd4;
  white-space:nowrap;border-bottom:2.5px solid transparent}
.anchornav a:hover{color:#fff}
.anchornav a.on{color:#fff;border-bottom-color:var(--gold-2)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--teal-900);overflow:hidden}
.hero-img{position:absolute;inset:0}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:50% 62%}
.hero-img::after{content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,47,56,.93) 0%,rgba(6,47,56,.8) 42%,rgba(6,47,56,.34) 74%,rgba(6,47,56,.5) 100%)}
/* LƯU Ý: .hero-in dùng chung class .wrap — phải khai lại padding ngang 20px,
   nếu chỉ ghi "padding:Xpx 0" sẽ đè mất padding của .wrap và chữ dán sát lề. */
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  padding:clamp(52px,7vw,92px) 20px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--gold-2)}
.hero-sub{color:#c4dee2;font-size:17.5px;margin:20px 0 26px;max-width:52ch}
.hero-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:rgba(255,255,255,.14);
  border-radius:14px;overflow:hidden;margin-bottom:26px;max-width:620px}
.hero-fact{background:rgba(6,47,56,.62);padding:15px 12px}
.hero-fact b{display:block;font-family:'Cormorant Garamond','CG-fallback','Times New Roman',serif;font-size:clamp(20px,2.5vw,27px);color:var(--gold-2);line-height:1.15}
.hero-fact span{font-size:11.5px;letter-spacing:.3px;color:#a9cdd4;display:block;margin-top:3px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;
  font-size:15px;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;font-family:inherit;
  transition:filter .2s,background .2s,color .2s}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#33240a}
.btn-gold:hover{filter:brightness(1.07);color:#33240a}
.btn-ghost{background:rgba(255,255,255,.09);color:#fff;border:1.4px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-brand:hover{filter:brightness(1.07);color:#fff}
.btn-full{width:100%}

/* ---------- form ---------- */
.lead-card{background:#fff;border-radius:20px;padding:26px 24px;box-shadow:0 26px 60px rgba(0,0,0,.28)}
.lead-card h3,.lead-card .lead-h{font-family:'Be Vietnam Pro','BVP-fallback',system-ui,sans-serif;font-weight:600;
  font-size:21px;line-height:1.3;color:var(--teal-900);margin-bottom:5px;text-wrap:balance}
.lead-card .note{font-size:13.5px;color:var(--ink-soft);margin-bottom:18px}
.lead-form{display:grid;gap:11px}
.input-lead{padding:13px 15px;border-radius:12px;border:1.5px solid var(--line);background:var(--cream);
  font-family:inherit;font-size:15px;color:var(--ink);outline:none;transition:border-color .2s,background .2s;width:100%}
.input-lead:focus{border-color:var(--teal-400);background:#fff}
.input-lead::placeholder{color:var(--ink-faint)}
select.input-lead{appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234f6a70' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center}
.form-err{display:none;color:#c0392b;font-size:13.5px;margin:2px 0 0}
.form-ok{display:none;background:var(--lime-soft);border:1px solid var(--lime);border-radius:14px;
  padding:20px;text-align:center}
.form-ok b{display:block;font-family:'Cormorant Garamond','CG-fallback','Times New Roman',serif;font-size:20px;color:var(--teal-800);margin-bottom:6px}
.form-fine{font-size:12px;color:var(--ink-faint);margin:9px 0 0;line-height:1.55}

/* ---------- bảng thông số ---------- */
.spec{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);font-size:15.3px}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.spec th{width:40%;font-weight:600;color:var(--teal-800);background:var(--cream-2);font-family:inherit;font-size:14.5px}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:560px){.spec th{width:44%;padding:12px 13px}.spec td{padding:12px 13px}}

/* ---------- grid & card ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--radius);border:1px solid var(--line-2);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-body{padding:22px}
.card-body h3{color:var(--teal-900);margin-bottom:9px}
.card-body p{font-size:15px;color:var(--ink-soft);margin-bottom:0}
.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin:13px 0 0}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--teal-100);color:var(--teal-700);
  font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;white-space:nowrap}
/* #8a6a15 chỉ đạt 4.36:1 trên gold-soft → tối lại thành #7d5f12 (5.16:1) */
.chip-gold{background:var(--gold-soft);color:#7d5f12}
.chip .ic{width:14px;height:14px}

.feat{display:flex;gap:15px;align-items:flex-start;background:#fff;border:1px solid var(--line-2);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.feat h3{font-size:18px;color:var(--teal-900);margin-bottom:5px}
.feat p{font-size:14.6px;color:var(--ink-soft);margin:0}
.sec-deep .feat{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.sec-deep .feat h3{color:#fff}
.sec-deep .feat p{color:#a9cdd4}

figure{margin:0}
figure img{border-radius:var(--radius);box-shadow:var(--shadow-sm)}
figcaption{font-size:13.5px;color:var(--ink-faint);margin-top:10px;line-height:1.6}
/* trên nền tối phải dùng màu SÁNG — --ink-faint (tối) chỉ đạt 2.74:1 trên teal-900 */
.sec-deep figcaption{color:#a9cdd4}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,52px);align-items:center}
.split-wide{grid-template-columns:1.1fr .9fr}

.tick{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.tick li{display:flex;gap:11px;align-items:flex-start;font-size:15.4px}
.tick .ic{width:19px;height:19px;color:var(--lime);margin-top:4px}
.sec-deep .tick li{color:#cfe4e7}

/* ---------- timeline ---------- */
.tl{list-style:none;padding:0;margin:0;position:relative}
.tl::before{content:'';position:absolute;left:13px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl li{position:relative;padding:0 0 24px 44px}
.tl li:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:5px;top:4px;width:19px;height:19px;border-radius:50%;
  background:#fff;border:2.5px solid var(--teal-400)}
.tl li.done .tl-dot{background:var(--teal-500);border-color:var(--teal-500)}
.tl-when{font-size:12.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold);white-space:nowrap}
.tl-what{font-size:15.4px;color:var(--ink)}

/* ---------- giá ---------- */
.price-note{background:#fff;border:1px solid var(--gold-2);border-left:4px solid var(--gold);
  border-radius:14px;padding:20px 22px}
.price-note p:last-child{margin-bottom:0}
/* #5c7a10 chỉ đạt 4.31:1 trên lime-soft → tối lại thành #526d0d (5.15:1) */
.badge-fresh{display:inline-flex;align-items:center;gap:7px;background:var(--lime-soft);color:#526d0d;
  font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:999px;letter-spacing:.4px;white-space:nowrap}
.badge-fresh .ic{width:15px;height:15px}

/* ---------- FAQ ---------- */
details{background:#fff;border:1px solid var(--line-2);border-radius:14px;margin-bottom:11px;overflow:hidden}
details[open]{border-color:var(--teal-200);box-shadow:var(--shadow-sm)}
summary{list-style:none;cursor:pointer;padding:17px 20px;font-weight:600;font-size:16px;
  color:var(--teal-900);display:flex;justify-content:space-between;align-items:center;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:'';width:11px;height:11px;flex:0 0 auto;border-right:2px solid var(--teal-500);
  border-bottom:2px solid var(--teal-500);transform:rotate(45deg);transition:transform .25s;margin-top:-4px}
details[open] summary::after{transform:rotate(225deg);margin-top:4px}
.details-body{padding:0 20px 19px;font-size:15.3px;color:var(--ink-soft)}
.details-body p:last-child{margin-bottom:0}

/* ---------- footer ---------- */
footer.site{background:var(--teal-900);color:#a9cdd4;padding:52px 0 26px;font-size:14.5px}
footer.site h3{font-family:'Be Vietnam Pro','BVP-fallback',system-ui,sans-serif;font-size:12px;letter-spacing:2.2px;
  text-transform:uppercase;color:var(--gold-2);font-weight:700;margin-bottom:15px}
footer.site a{color:#a9cdd4}
footer.site a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-bot{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7ea6ad}

/* ---------- mobile bar ---------- */
.mbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:70;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -6px 22px rgba(0,0,0,.1)}
.mbar-in{display:grid;grid-template-columns:1fr 1fr 1.25fr}
.mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 4px;font-size:11.5px;font-weight:600;color:var(--teal-800)}
.mbar a:last-child{background:var(--brand);color:#fff}
.mbar .ic{width:20px;height:20px}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:32px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split,.split-wide{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:15.4px}
  .hero-facts{grid-template-columns:repeat(2,1fr)}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .mbar{display:block}
  body{padding-bottom:58px}
  .topbar-fact.hide-sm{display:none}
  /* mobile: bỏ nút hotline ở header (thanh dưới đã có "Gọi") để header không chật và số không bị tách dòng */
  .btn-call{display:none}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card,.card:hover{transition:none;transform:none}
}

/* ============================================================
   TRANG BÀI VIẾT (article) — dùng cho /bang-gia, /vi-tri, ...
   ============================================================ */
.art{padding:clamp(30px,4vw,54px) 0 clamp(50px,6vw,80px)}
.crumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:13.5px;
  color:var(--ink-faint);margin-bottom:18px}
.crumb a{color:var(--teal-700);font-weight:500}
.art h1{margin-bottom:16px}
.art-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:clamp(24px,3vw,34px);
  padding-bottom:clamp(20px,2.5vw,28px);border-bottom:1px solid var(--line)}
.art-read{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--ink-faint);white-space:nowrap}
.art-read .ic{width:15px;height:15px}
.art section{margin-bottom:clamp(30px,4vw,46px)}
.art section>h2{margin-bottom:14px}
.art h3{margin:26px 0 10px}
.art p{font-size:16.6px;line-height:1.78}
.art ul,.art ol{padding-left:22px}
.art li{font-size:16.4px;line-height:1.75;margin-bottom:8px}
.art .lead-p{font-size:18px;margin-bottom:24px}

/* khối nhấn mạnh trong bài */
.callout{background:#fff;border:1px solid var(--line-2);border-left:4px solid var(--teal-500);
  border-radius:14px;padding:20px 22px;margin:24px 0}
.callout.warn{border-left-color:var(--gold)}
.callout.warn h3,.callout h3{margin:0 0 8px;font-size:17px}
.callout p:last-child,.callout ul:last-child,.callout li:last-child{margin-bottom:0}

/* checklist đánh số */
.checklist{list-style:none;padding:0;counter-reset:ck}
.checklist li{counter-increment:ck;position:relative;padding-left:40px;margin-bottom:14px}
.checklist li::before{content:counter(ck);position:absolute;left:0;top:2px;width:26px;height:26px;
  border-radius:8px;background:var(--teal-100);color:var(--teal-700);font-size:13.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center}

/* infographic tự vẽ */
.info-fig{margin:26px 0}
.info-fig svg{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line-2);
  border-radius:var(--radius);box-shadow:var(--shadow-sm)}

/* CTA giữa/cuối bài */
.cta-box{display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:var(--teal-900);color:#cfe4e7;border-radius:var(--radius);padding:26px 28px;margin:34px 0}
.cta-box h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:8px}
.cta-box p{color:#a9cdd4;font-size:15.4px;margin:0;max-width:56ch}
.cta-btns{display:flex;gap:11px;flex-wrap:wrap}

/* nguồn tham khảo */
.sources{background:var(--cream-2);border-radius:var(--radius);padding:24px 26px}
.sources h2{font-size:20px;margin-bottom:12px}
.sources ul{margin:0;padding-left:20px}
.sources li{font-size:15px;margin-bottom:7px}
.src-note{font-size:13.4px;color:var(--ink-faint);margin:14px 0 0}

/* bài liên quan */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;display:block}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rel-card h3{margin:0 0 8px;font-size:17.5px;color:var(--teal-900)}
.rel-card p{font-size:14.8px;color:var(--ink-soft);margin:0}
.rel-more{display:inline-flex;align-items:center;gap:7px;margin-top:13px;font-size:13.5px;
  font-weight:600;color:var(--teal-700);white-space:nowrap}
.rel-more .ic{width:16px;height:16px}
@media(max-width:900px){.rel-grid{grid-template-columns:1fr}}
@media(max-width:640px){
  .cta-box{padding:22px 20px}
  .cta-btns{width:100%}
  .cta-btns .btn{width:100%}
}

/* link "đọc chi tiết" từ section landing page sang trang chuyên đề */
.sec-more{margin:20px 0 0}
.sec-more a{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15.2px;
  color:var(--teal-700);border-bottom:1.5px solid var(--teal-200);padding-bottom:3px}
.sec-more a:hover{color:var(--teal-500);border-bottom-color:var(--teal-400)}
.sec-more .ic{width:18px;height:18px}
.sec-deep .sec-more a{color:#a9cdd4;border-bottom-color:rgba(169,205,212,.4)}
.sec-deep .sec-more a:hover{color:#fff;border-bottom-color:#e0be62}

/* Mobile: infographic KHÔNG được co nhỏ (chữ trong SVG sẽ còn ~7px, không đọc được).
   Cho cuộn ngang trong khung riêng — thân trang vẫn không tràn ngang. */
@media(max-width:760px){
  .info-fig{overflow-x:auto;-webkit-overflow-scrolling:touch;
    background:#fff;border:1px solid var(--line-2);border-radius:var(--radius)}
  .info-fig svg{min-width:660px;border:0;border-radius:0;box-shadow:none}
  .info-fig figcaption{padding:0 14px 12px}
  .info-fig::after{content:'Kéo ngang để xem đủ →';display:block;font-size:12px;
    color:var(--ink-faint);padding:0 14px 10px}
}

/* Link trong đoạn văn phải có gạch chân: chỉ đổi màu là chưa đủ (contrast với chữ
   xung quanh chỉ 2,05:1, ngưỡng cần là 3:1 — người mù màu không phân biệt được). */
.art p a,.art li a,.sources li a,.callout a,.art .checklist a{
  text-decoration:underline;text-underline-offset:2.5px;text-decoration-thickness:1px;
  text-decoration-color:var(--teal-200)}
.art p a:hover,.art li a:hover,.sources li a:hover,.callout a:hover{
  text-decoration-color:var(--teal-500)}

/* ============================================================
   TRANG DANH SÁCH /tin-tuc
   ============================================================ */
.post-list{display:grid;gap:20px;margin:clamp(26px,3.5vw,38px) 0}
.post{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);padding:24px 26px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.post-kicker{display:inline-flex;align-items:center;background:var(--teal-100);color:var(--teal-700);
  font-size:11.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;white-space:nowrap}
.post h2{font-size:clamp(21px,2.4vw,26px);line-height:1.25;margin-bottom:9px}
.post h2 a{color:var(--teal-900)}
.post h2 a:hover{color:var(--teal-600)}
.post p{font-size:15.6px;color:var(--ink-soft);margin-bottom:14px}
.post-bot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:space-between}
.hdr-nav a.on{color:var(--teal-700);font-weight:600;border-bottom:2px solid var(--gold)}
@media(max-width:640px){.post{padding:20px 18px}}

/* ---------- ảnh đầu bài ---------- */
.art-hero{margin:0 0 clamp(26px,3.5vw,38px)}
/* width:auto để ảnh nhỏ (600px) hiện đúng cỡ gốc, không bị kéo giãn mờ */
.art-hero img{width:auto;max-width:100%;height:auto;margin:0 auto;
  border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.art-hero figcaption{margin-top:11px;text-align:center}

/* ---------- thumbnail trên thẻ /tin-tuc ---------- */
.post{display:grid;grid-template-columns:250px 1fr;gap:0;padding:0;overflow:hidden}
.post-thumb{display:block;position:relative;background:var(--cream-2);min-height:100%}
.post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.post-body{padding:24px 26px}
@media(max-width:760px){
  .post{grid-template-columns:1fr}
  .post-thumb img{aspect-ratio:16/9}
  .post-body{padding:20px 18px}
}

/* ---------- khối dự phòng khi gửi lead hỏng ---------- */
.form-fallback{display:none;background:#fff6f4;border:1px solid #f0c4b8;border-left:4px solid #c0563c;
  border-radius:14px;padding:18px 20px;margin-top:14px}
.form-fallback b{display:block;font-weight:600;font-size:16px;color:#a33f27;margin-bottom:6px}
.form-fallback p{font-size:14.6px;color:var(--ink-soft);margin-bottom:13px}
.fb-btns{display:flex;gap:10px;flex-wrap:wrap}
.fb-btns .btn{flex:1 1 auto;font-size:14.5px;padding:12px 18px}