/* ==== Dùng chung mọi trang: chân trang, nút liên hệ nổi, trang chính sách ==== */
.zt-brand{display:inline-flex;align-items:center;gap:10px;color:#0A1B3D;font-weight:800;font-size:20px;letter-spacing:-0.03em}
.zt-brand img{border-radius:10px}
mark.zt-missing{background:#FFF3C4;color:#8A5A00;padding:1px 6px;border-radius:6px;font-size:.92em}

/* Chân trang */
.zt-foot{background:#FFFFFF;border-top:1px solid #E1E8F7;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:#3E4C6B}
.zt-foot-in{max-width:1240px;margin:0 auto;padding:56px 24px 28px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.zt-foot-co,.zt-foot-col{display:flex;flex-direction:column;gap:9px;font-size:14px;line-height:1.55}
.zt-foot-co strong{color:#0A1B3D;font-size:15px;margin-top:6px}
.zt-foot-col strong{color:#0A1B3D;font-size:14px;font-weight:800;margin-bottom:2px}
.zt-foot a{color:#3E4C6B}.zt-foot a:hover{color:#1F5EFF}
.zt-foot .zt-foot-zalo{align-self:flex-start;margin-top:6px;background:#0068FF;color:#FFFFFF;padding:10px 16px;border-radius:11px;font-weight:700}
.zt-foot .zt-foot-zalo:hover{color:#FFFFFF;background:#0052CC}
.zt-foot-bot{max-width:1240px;margin:0 auto;padding:16px 24px 90px;border-top:1px solid #EEF2FA;font-size:13px;color:#7A87A6}
@media (max-width:980px){.zt-foot-in{grid-template-columns:1fr 1fr}.zt-foot-co{grid-column:1/-1}}
@media (max-width:520px){.zt-foot-in{grid-template-columns:1fr;padding:40px 16px 20px}.zt-foot-bot{padding:16px 16px 96px}}

/* Nút Zalo + gọi nổi */
.zt-float-cta{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:10px}
.zt-float-cta a{width:54px;height:54px;border-radius:999px;display:flex;align-items:center;justify-content:center;color:#FFFFFF;box-shadow:0 12px 28px -10px rgba(10,27,61,.55);transition:transform .25s}
.zt-float-cta a:hover{transform:translateY(-3px);color:#FFFFFF}
.zt-fz{background:#0068FF;font:800 14px/1 'Be Vietnam Pro',system-ui,sans-serif}
.zt-fc{background:#16A34A;animation:ztRing 2.6s ease-in-out infinite}
@keyframes ztRing{0%,100%{box-shadow:0 0 0 0 rgba(22,163,74,.45),0 12px 28px -10px rgba(10,27,61,.55)}50%{box-shadow:0 0 0 10px rgba(22,163,74,0),0 12px 28px -10px rgba(10,27,61,.55)}}
@media (max-width:640px){.zt-float-cta{right:12px;bottom:12px}.zt-float-cta a{width:50px;height:50px}}

/* Trang chính sách */
body.zt-doc{margin:0;background:#F5F8FF;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:#0A1B3D}
.zt-shead{position:sticky;top:0;z-index:50;border-left:0;border-right:0;border-top:0;border-radius:0}
.zt-shead-in{max-width:1240px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:20px}
.zt-shead-in .zt-brand{margin-right:auto}
.zt-snav{display:flex;gap:22px;font-size:15px;font-weight:600}.zt-snav a{color:#31415F}
.zt-scall{background:#1F5EFF;color:#FFFFFF !important;padding:11px 16px;border-radius:12px;font-weight:700;font-size:14px;white-space:nowrap}
.zt-doc-main{max-width:1240px;margin:0 auto;padding:28px 24px 72px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
.zt-crumb{grid-column:1/-1;font-size:13px;color:#5B6886;display:flex;gap:8px}.zt-crumb a{color:#5B6886}
.zt-doc-card{border-radius:24px;padding:40px}
.zt-doc-card h1{margin:0;font-size:clamp(28px,3.2vw,40px);line-height:1.15;font-weight:900;letter-spacing:-0.03em}
.zt-doc-meta{margin:10px 0 26px;font-size:13px;color:#5B6886}
.zt-doc-body{font-size:16px;line-height:1.75;color:#24324F}
.zt-doc-body h2{font-size:21px;font-weight:800;margin:30px 0 10px;color:#0A1B3D;letter-spacing:-0.01em}
.zt-doc-body h3{font-size:17px;font-weight:800;margin:20px 0 6px;color:#0A1B3D}
.zt-doc-body ul,.zt-doc-body ol{padding-left:22px}.zt-doc-body li{margin:4px 0}
.zt-doc-body a{color:#1F5EFF;text-decoration:underline;text-underline-offset:3px}
.zt-info{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:15px}
.zt-info th,.zt-info td{text-align:left;padding:11px 14px;border-bottom:1px solid #E6ECF8;vertical-align:top}
.zt-info th{width:210px;color:#5B6886;font-weight:600}
.zt-note{background:#EEF4FF;border:1px solid #D6E3FF;border-radius:14px;padding:14px 18px;margin:16px 0}
.zt-doc-side{border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:4px;position:sticky;top:90px}
.zt-doc-side strong{font-size:14px;margin-bottom:6px}
.zt-doc-side a{color:#3E4C6B;padding:8px 10px;border-radius:10px;font-size:14px}
.zt-doc-side a:hover,.zt-doc-side a[aria-current]{background:#EAF0FF;color:#1F5EFF}
.zt-pform{display:flex;flex-direction:column;gap:14px;max-width:560px;margin:14px 0}
.zt-pform label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700}
.zt-pform input,.zt-pform textarea{font:inherit;font-size:16px;font-weight:400;padding:12px 14px;border-radius:12px;border:1px solid #CFDAF3;background:#FFFFFF;color:#0A1B3D}
.zt-pform button{align-self:flex-start;border:0;cursor:pointer;background:#1F5EFF;color:#FFFFFF;font:inherit;font-weight:800;padding:14px 22px;border-radius:12px}
.zt-form-msg{font-size:14px;line-height:1.5;margin-top:8px;font-weight:600}
.zt-form-msg.ok{color:#15803D}.zt-form-msg.err{color:#B42318}
.zt-on-dark .zt-form-msg.ok,.g-blue .zt-form-msg.ok{color:#B9F5CE}.g-blue .zt-form-msg.err{color:#FFD4CF}
@media (max-width:900px){.zt-doc-main{grid-template-columns:1fr}.zt-doc-side{position:static}.zt-snav{display:none}}
@media (max-width:640px){.zt-doc-card{padding:24px 18px;border-radius:18px}.zt-shead-in{padding:10px 16px}.zt-doc-main{padding:20px 16px 56px}.zt-info th{width:120px}.zt-info th,.zt-info td{padding:9px 8px}}

/* Dừng tự chuyển khi khách đang xem */
.zt-hold .zt-tprog,.zt-manual .zt-tprog{animation-play-state:paused !important}
.zt-manual .zt-tprog{opacity:.25}