/* WEB-SERVICE-HUB-V1 M4E — ServiceHub production CSS (self-contained, sh- prefixed).
   Loaded AFTER design-system-v0.css. Institutional-trust; no AI-glow/gradient-cards. */
:root{
  --sh-blue:#0066B3;--sh-blue-700:#00518f;--sh-blue-050:#eaf3fb;--sh-green:#00A651;--sh-green-050:#e8f6ee;
  --sh-ink:#0d0d0d;--sh-slate:#333;--sh-muted:#6b7280;--sh-line:#e5e7eb;--sh-line2:#eef1f5;--sh-bg-soft:#f7f9fc;
  --sh-radius:14px;--sh-maxw:1200px;--sh-shadow:0 1px 2px rgba(13,13,13,.05),0 8px 24px -12px rgba(0,82,143,.14);
  --sh-font:'Be Vietnam Pro','Inter',system-ui,'Segoe UI',Roboto,Arial,sans-serif;
}
.sh-body{margin:0;font-family:var(--sh-font);color:var(--sh-slate);background:#fff;line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
.sh-app h1,.sh-app h2,.sh-app h3{color:var(--sh-ink);line-height:1.25;margin:0 0 .5em;font-weight:750;letter-spacing:-.01em}
.sh-app h1{font-size:clamp(1.7rem,3.4vw,2.5rem)}.sh-app h2{font-size:clamp(1.3rem,2.4vw,1.8rem)}.sh-app h3{font-size:1.1rem}
.sh-app p{margin:0 0 1em}.sh-app a{color:var(--sh-blue);text-decoration:none}.sh-app a:hover{text-decoration:underline}
.sh-wrap{max-width:var(--sh-maxw);margin:0 auto;padding:0 20px}
.sh-muted{color:var(--sh-muted)}
/* header */
.sh-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--sh-line)}
.sh-head .sh-wrap{display:flex;align-items:center;gap:16px;height:64px}
.sh-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--sh-ink);font-size:1.05rem;white-space:nowrap}
.sh-brand:hover{text-decoration:none}
.sh-mark{width:34px;height:34px;border-radius:8px;background:var(--sh-blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.8rem}
.sh-nav{margin-left:auto;display:flex;gap:22px;font-size:.94rem;font-weight:600}
.sh-nav a{color:var(--sh-slate)}.sh-nav a.on{color:var(--sh-blue)}
.sh-cta{background:var(--sh-blue);color:#fff !important;padding:9px 14px;border-radius:9px;font-weight:650;font-size:.86rem;white-space:nowrap;display:inline-flex;align-items:center}
.sh-cta:hover{background:var(--sh-blue-700);text-decoration:none}
.sh-cta-ico{display:none;font-size:.95em;line-height:1}.sh-cta-lead,.sh-cta-num{display:inline}
.sh-burger{display:none;background:none;border:0;font-size:1.5rem;min-width:44px;min-height:44px;border-radius:8px;cursor:pointer;color:var(--sh-ink)}
.sh-burger:focus-visible,.sh-nav a:focus-visible,.sh-rail-cat:focus-visible,.sh-btn:focus-visible,.sh-seg button:focus-visible{outline:2px solid var(--sh-blue);outline-offset:2px}
/* crumb */
.sh-crumb{font-size:.85rem;color:var(--sh-muted);padding:16px 0 0}.sh-crumb a{color:var(--sh-muted)}.sh-crumb b{color:var(--sh-slate)}
/* hero */
.sh-hero{padding:44px 0 34px;border-bottom:1px solid var(--sh-line2);background:linear-gradient(180deg,var(--sh-blue-050),#fff)}
.sh-hero-sm{padding:24px 0 22px}
.sh-eyebrow{color:var(--sh-blue);font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px}
.sh-sub{font-size:1.08rem;color:var(--sh-slate);max-width:720px}
.sh-seg{display:inline-flex;background:#fff;border:1px solid var(--sh-line);border-radius:11px;padding:4px;margin-top:18px;gap:4px}
.sh-seg button{border:0;background:none;font:inherit;font-weight:650;font-size:.9rem;color:var(--sh-muted);padding:8px 16px;border-radius:8px;cursor:pointer}
.sh-seg button.on{background:var(--sh-blue);color:#fff}
/* hub2 rail layout */
.sh-hub2{display:grid;grid-template-columns:264px 1fr;gap:34px;align-items:start;padding:36px 0}
.sh-rail{position:sticky;top:80px;border:1px solid var(--sh-line);border-radius:14px;padding:10px;background:#fff}
.sh-rail-k{font-size:.74rem;font-weight:700;color:var(--sh-muted);text-transform:uppercase;letter-spacing:.05em;padding:8px 12px 6px}
.sh-rail-cat{display:block;padding:9px 12px 9px 13px;border-radius:9px;color:var(--sh-slate);border-left:3px solid transparent}
.sh-rail-cat:hover{background:var(--sh-blue-050);text-decoration:none}
.sh-rail-cat[aria-current="page"],.sh-rail-cat.active{background:var(--sh-blue-050);border-left-color:var(--sh-blue);font-weight:700}
.sh-rail-name{display:flex;align-items:center;gap:8px;font-weight:650;font-size:.94rem;color:var(--sh-ink)}
.sh-rail-name .sh-n{margin-left:auto;font-size:.74rem;color:var(--sh-muted);font-weight:600}
.sh-rail-sum{display:block;font-size:.78rem;color:var(--sh-muted);margin-top:2px;line-height:1.32}
.sh-sechead{margin-bottom:20px}.sh-sechead .k{color:var(--sh-blue);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}
/* GX-HYBRID — segment visibility driven by ONE canonical root state (.sh-app[data-segment]).
   Audience state (business_organization | household_individual) is INDEPENDENT of viewport/responsive
   state — no media query sets display on these, so viewport can never change the customer segment. */
.sh-app[data-segment="business_organization"] [data-seg-block="home"]{display:none}
.sh-app[data-segment="household_individual"] [data-seg-block="business"]{display:none}
.sh-app[data-segment="household_individual"] .sh-seg-item[data-seg="business"]{display:none}
/* hot cards */
.sh-hotgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.sh-hotcard{background:#fff;border:1px solid var(--sh-line);border-left:4px solid var(--sh-green);border-radius:14px;padding:20px;display:flex;flex-direction:column}
.sh-badge{align-self:flex-start;background:var(--sh-green-050);color:#087a3d;font-size:.74rem;font-weight:700;padding:4px 9px;border-radius:20px;margin-bottom:12px}
.sh-hotcard h3{font-size:1.1rem;margin:0 0 6px}
.sh-items{list-style:none;padding:0;margin:8px 0 14px}
.sh-items li{font-size:.9rem;padding:3px 0 3px 18px;position:relative;color:var(--sh-slate)}
.sh-items li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--sh-green)}
.sh-evid{font-size:.8rem;color:var(--sh-muted);margin-top:auto;padding-top:10px;border-top:1px dashed var(--sh-line)}
/* trend */
.sh-trend{padding:28px 0 6px}
.sh-trend-band{background:#0b2740;color:#fff;border-radius:18px;padding:26px 24px}
.sh-trend-band h2{color:#fff}.sh-trend-band .note{color:#bcd9f2;max-width:640px}
.sh-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.sh-chips a{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff !important;padding:8px 14px;border-radius:10px;font-size:.9rem;font-weight:600}
.sh-chips a:hover{background:rgba(255,255,255,.2);text-decoration:none}
/* category list */
.sh-svc-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;padding:30px 0}
.sh-svc-row{border:1px solid var(--sh-line);border-radius:14px;padding:20px;background:#fff;display:flex;flex-direction:column;color:var(--sh-slate)}
.sh-svc-row:hover{border-color:var(--sh-blue);box-shadow:var(--sh-shadow);text-decoration:none}
.sh-svc-row h3{margin:0 0 6px}.sh-desc{font-size:.9rem;color:var(--sh-slate);margin:0 0 14px}
.sh-foot-row{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.sh-motion{font-size:.74rem;font-weight:700;padding:4px 9px;border-radius:6px;background:var(--sh-blue-050);color:var(--sh-blue-700)}
.sh-go{font-size:.85rem;color:var(--sh-blue);font-weight:650}
/* detail */
.sh-detail-hero{padding:14px 0 24px;border-bottom:1px solid var(--sh-line2)}
.sh-cat-link{font-size:.85rem;font-weight:650;color:var(--sh-blue)}
.sh-detail-hero h1{margin:8px 0 10px}.sh-valprop{font-size:1.15rem;color:var(--sh-slate);max-width:720px}
.sh-detail-grid{display:grid;grid-template-columns:1fr 320px;gap:34px;padding:34px 0}
.sh-block{margin-bottom:28px}.sh-block h2{font-size:1.3rem}
.sh-who-list,.sh-cap-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.sh-who-list li,.sh-cap-list li{padding:12px 14px;background:var(--sh-bg-soft);border:1px solid var(--sh-line2);border-radius:10px;font-size:.94rem}
.sh-steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.sh-steps li{counter-increment:s;padding:12px 14px 12px 48px;position:relative;border:1px solid var(--sh-line);border-radius:10px}
.sh-steps li::before{content:counter(s);position:absolute;left:12px;top:12px;width:26px;height:26px;border-radius:50%;background:var(--sh-blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}
.sh-proof{background:var(--sh-green-050);border:1px solid #bfe6cd;border-radius:12px;padding:16px 18px;font-size:.92rem}
.sh-scope{font-size:.85rem;color:var(--sh-muted);margin:-14px 0 20px}
.sh-faq details{border:1px solid var(--sh-line);border-radius:10px;padding:4px 16px;margin-bottom:10px}
.sh-faq summary{font-weight:650;cursor:pointer;padding:12px 0;color:var(--sh-ink)}
.sh-faq details[open] summary{color:var(--sh-blue)}.sh-faq p{padding-bottom:12px;margin:0;font-size:.92rem}
/* buybox + contact */
.sh-buybox{position:sticky;top:84px;border:1px solid var(--sh-line);border-radius:16px;padding:22px;background:#fff;box-shadow:var(--sh-shadow)}
.sh-mode{font-size:.8rem;font-weight:700;color:var(--sh-blue);text-transform:uppercase;letter-spacing:.04em}
.sh-price{font-size:1.3rem;font-weight:800;color:var(--sh-ink);margin:8px 0 2px;line-height:1.3}
.sh-vat{font-size:.8rem;color:var(--sh-muted);margin-bottom:14px}
.sh-btn{display:block;width:100%;text-align:center;border:0;font:inherit;font-weight:700;padding:13px;border-radius:11px;cursor:pointer;font-size:.95rem;box-sizing:border-box}
.sh-btn-primary{background:var(--sh-blue);color:#fff !important}.sh-btn-primary:hover{background:var(--sh-blue-700);text-decoration:none}
.sh-btn-ghost{background:#fff;color:var(--sh-blue) !important;border:1px solid var(--sh-line);margin-top:10px}
.sh-btn-save{background:#EAF2FD;color:var(--sh-blue) !important;border:1.5px solid var(--sh-blue);margin-bottom:10px}
.sh-btn-save:hover{background:#DCEBFB;text-decoration:none}
.sh-btn-save[disabled]{opacity:.65;cursor:default}
.sh-legal{font-size:.8rem;color:var(--sh-muted);margin-top:14px;padding-top:14px;border-top:1px solid var(--sh-line2)}
.sh-contact-wrap{padding:10px 20px 34px}
.sh-contact{border:1px solid var(--sh-line);border-radius:16px;padding:20px;background:var(--sh-bg-soft);display:flex;flex-direction:column;gap:0;max-width:520px}
.sh-contact .sh-btn-primary{max-width:none}
.sh-contact-legal{font-size:.8rem;color:var(--sh-muted);margin-top:12px}
.sh-related{border-top:1px solid var(--sh-line);padding:26px 0}
.sh-related .k{color:var(--sh-blue);font-weight:700;font-size:.82rem;text-transform:uppercase;margin-bottom:10px}
.sh-related-chips{display:flex;flex-wrap:wrap;gap:10px}
.sh-related-chips a{border:1px solid var(--sh-line);border-radius:9px;padding:8px 13px;font-size:.88rem;font-weight:600;color:var(--sh-slate)}
.sh-related-chips a:hover{border-color:var(--sh-blue);color:var(--sh-blue);text-decoration:none}
/* footer */
.sh-foot{background:#0b2136;color:#c6d3e0;padding:30px 0;margin-top:20px;font-size:.88rem}
.sh-foot a{color:#9fc4e8}.sh-foot b{color:#fff}
.sh-foot-trust{display:flex;flex-wrap:wrap;gap:22px}
@media(max-width:820px){
  .sh-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;order:2}
  .sh-cta{order:3;margin-left:8px;padding:8px 10px;font-size:.78rem;flex-shrink:0}
  .sh-brand{min-width:0;flex-shrink:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .sh-nav{display:none;order:4;flex-basis:100%;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--sh-line);box-shadow:var(--sh-shadow);flex-direction:column;gap:0;padding:6px 20px 12px;margin:0}
  .sh-nav.open{display:flex}
  .sh-nav a{padding:14px 2px;min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--sh-line2);font-size:1rem}
  .sh-head .sh-wrap{flex-wrap:nowrap;gap:8px;position:relative}
  .sh-hub2{grid-template-columns:1fr;gap:8px}.sh-rail{position:static;margin-bottom:8px}
  .sh-detail-grid{grid-template-columns:1fr;gap:8px}.sh-buybox{position:static;margin-bottom:20px}
}
/* narrow phones (360/390/412): compact Owner-Signature CTA so brand + burger + CTA never collide.
   Keep the phone number (the signature) visible; drop only the "Tư vấn trực tiếp ·" lead + add a phone glyph. */
@media(max-width:600px){
  .sh-cta{padding:8px 12px;gap:5px}
  .sh-cta-ico{display:inline}
  .sh-cta-lead{display:none}
  .sh-head .sh-wrap{gap:6px}
}
/* GES-V2.1 hotcard hover — align Service Hub card interaction with Homepage V2 (presentation only). */
.sh-hotcard{transition:transform .2s ease, box-shadow .2s ease}
.sh-hotcard:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.07)}
@media (prefers-reduced-motion: reduce){.sh-hotcard{transition:none}}