.az-contact{position:fixed;left:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:1000;font-family:var(--az-font-main,Arial,sans-serif);font-size:14px;max-width:calc(100vw - 40px)}
.az-contact *{box-sizing:border-box}
.az-contact__links{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:10px}
.az-contact__links[hidden]{display:none}
.az-contact .az-contact__link{display:flex;align-items:center;gap:10px;min-height:48px;padding:6px 16px 6px 6px;border-radius:30px;color:#fff;text-decoration:none;box-shadow:0 4px 16px #0002;transition:transform .15s,box-shadow .15s}
.az-contact__zalo{background:#0068ff}
.az-contact__phone{background:#b91c1c}
.az-contact__icon{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#ffffff24;flex-shrink:0;font-weight:700;font-size:13px}
.az-contact__icon svg{width:24px;height:24px}
.az-contact__phone small,.az-contact__phone strong{display:block;line-height:1.4}
.az-contact__phone small{font-size:11px}
.az-contact__phone strong{font-size:15px}
.az-contact .az-contact__toggle{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 18px;border:0;border-radius:30px;background:#154c85;color:#fff;font:inherit;font-weight:600;cursor:pointer;box-shadow:0 4px 16px #0003}
.az-contact__toggle svg{width:24px;height:24px}
.az-contact .az-contact__toggle{width:56px;height:56px;padding:0;border-radius:50%}
.az-contact__toggle>span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.az-contact a:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0003}
.az-contact a:focus-visible,.az-contact button:focus-visible{outline:3px solid #154c85;outline-offset:4px}
@media(max-width:640px){.az-contact{left:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:calc(100vw - 24px)}.az-contact--buttons .az-contact__zalo>span:last-child{display:none}.az-contact--buttons .az-contact__zalo{padding:6px}.az-contact__links{gap:8px}}
@media(prefers-reduced-motion:reduce){.az-contact .az-contact__link{transition:none}.az-contact a:hover{transform:none}}

.az-contact.az-contact--icons{left:30px;bottom:calc(30px + env(safe-area-inset-bottom,0px))}
.az-contact--icons .az-contact__links{gap:22px;margin-bottom:0}
.az-contact.az-contact--icons .az-contact__link{
  position:relative;
  isolation:isolate;
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  min-width:48px;
  min-height:48px;
  padding:0;
  border:0;
  border-radius:50%;
  --az-contact-wave:#2189ed;
  background:var(--az-contact-wave);
  box-shadow:0 4px 12px #162c461a;
}
.az-contact.az-contact--icons .az-contact__phone{--az-contact-wave:#eb3333}
.az-contact.az-contact--icons .az-contact__messenger{--az-contact-wave:#3582f6;border:3px solid #fff}
.az-contact--icons .az-contact__link>span:last-child{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.az-contact--icons .az-contact__link::before,
.az-contact--icons .az-contact__link::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  background:var(--az-contact-wave);
  pointer-events:none;
  z-index:-1;
}
.az-contact--icons .az-contact__link::before{opacity:.22;transform:scale(1.32);animation:az-contact-wave-inner 2.8s ease-in-out infinite}
.az-contact--icons .az-contact__link::after{opacity:.07;transform:scale(1.68);animation:az-contact-wave-outer 2.8s ease-in-out infinite}
.az-contact--icons .az-contact__icon{
  position:relative;
  width:100%;
  height:100%;
  background:transparent;
  animation:az-contact-ring 4.8s ease-in-out infinite;
  transform-origin:center;
}
.az-contact--icons .az-contact__icon svg{display:block;width:30px;height:30px}
.az-contact--icons .az-contact__phone .az-contact__icon svg{width:25px;height:25px}
.az-contact--icons .az-contact__phone .az-contact__icon,
.az-contact--icons .az-contact__phone::before,
.az-contact--icons .az-contact__phone::after{animation-delay:.6s}
.az-contact--icons .az-contact__link:hover,
.az-contact--icons .az-contact__link:focus-visible{box-shadow:0 6px 16px #162c4626}
.az-contact--icons .az-contact__link:hover .az-contact__icon,
.az-contact--icons .az-contact__link:focus-visible .az-contact__icon{animation:none}
@keyframes az-contact-wave-inner{0%,100%{transform:scale(1.28);opacity:.22}50%{transform:scale(1.42);opacity:.12}}
@keyframes az-contact-wave-outer{0%,100%{transform:scale(1.55);opacity:.09}50%{transform:scale(1.72);opacity:.04}}
@keyframes az-contact-ring{0%,4%,24%,100%{transform:rotate(0)}7%,15%{transform:rotate(-10deg)}11%,19%{transform:rotate(10deg)}}
@media(max-width:640px){
  .az-contact.az-contact--icons{left:26px;bottom:calc(26px + env(safe-area-inset-bottom,0px))}
  .az-contact--icons .az-contact__links{gap:20px}
  .az-contact.az-contact--icons .az-contact__link{width:46px;height:46px;min-width:46px;min-height:46px}
}
@media(prefers-reduced-motion:reduce){
  .az-contact--icons .az-contact__icon,
  .az-contact--icons .az-contact__link::before,
  .az-contact--icons .az-contact__link::after{animation:none}
}
.az-contact--cards .az-contact__links{gap:8px;margin-bottom:0}
.az-contact--cards .az-contact__link{background:#fff;border:1px solid #dce3ed;border-radius:10px;padding:6px 10px 6px 6px;min-height:44px;max-width:100%;gap:8px;font-size:12px;box-shadow:0 3px 12px #00000014}
.az-contact--cards .az-contact__zalo{color:#0054d1}
.az-contact--cards .az-contact__phone{color:#a21616}
.az-contact--cards .az-contact__icon{background:#eff6ff;border-radius:8px;width:30px;height:30px;font-size:10px}
.az-contact--cards .az-contact__icon svg{width:18px;height:18px}
.az-contact--cards .az-contact__phone small{font-size:10px;line-height:1.25}
.az-contact--cards .az-contact__phone strong{font-size:13px;line-height:1.35;white-space:nowrap}
.az-contact--cards .az-contact__phone .az-contact__icon{background:#fff1f2}
.az-contact--expand .az-contact__links{gap:8px;margin-bottom:8px}
.az-contact--expand .az-contact__link{min-height:44px;padding:5px 12px 5px 5px;gap:8px;font-size:12px;border-radius:24px;box-shadow:0 3px 12px #0002}
.az-contact--expand .az-contact__icon{width:32px;height:32px;font-size:11px}
.az-contact--expand .az-contact__icon svg{width:20px;height:20px}
.az-contact--expand .az-contact__phone small{font-size:10px;line-height:1.25}
.az-contact--expand .az-contact__phone strong{font-size:13px;line-height:1.35;white-space:nowrap}
.az-contact--expand .az-contact__toggle{width:44px;height:44px;min-height:44px;box-shadow:0 3px 12px #0002}
.az-contact--expand .az-contact__toggle svg{width:20px;height:20px}
.az-contact.az-contact--dock{left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 24px)}
.az-contact--dock .az-contact__links{flex-direction:row;align-items:stretch;gap:6px;margin:0;padding:6px;background:#fff;border:1px solid #dce3ed;border-radius:14px;box-shadow:0 4px 16px #0002}
.az-contact--dock .az-contact__link{border-radius:10px;box-shadow:none;min-width:0;min-height:44px;padding:5px 10px;gap:7px;flex:0 1 auto;justify-content:center;font-size:12px}
.az-contact--dock .az-contact__icon{width:30px;height:30px;font-size:10px}
.az-contact--dock .az-contact__icon svg{width:18px;height:18px}
.az-contact--dock .az-contact__phone small{font-size:10px;line-height:1.25}
.az-contact--dock .az-contact__phone strong{font-size:13px;line-height:1.35;white-space:nowrap}
.az-contact--dock .az-contact__link>span:last-child{min-width:0;overflow-wrap:anywhere}
@media(max-width:640px){
  .az-contact.az-contact--dock{left:0;bottom:0;transform:none;width:100%;max-width:100%}
  .az-contact--dock .az-contact__links{border-radius:12px 12px 0 0;padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));gap:6px}
  .az-contact--dock .az-contact__link{padding:5px 8px;gap:6px;font-size:12px;flex:1}
  .az-contact--dock .az-contact__icon{width:28px;height:28px;font-size:10px}
  .az-contact--dock .az-contact__phone strong{font-size:12px}
  .az-contact--dock .az-contact__phone small{font-size:10px}
  body.az-has-contact-dock{padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}
}

/* Style 2: persistent hotline and round launcher, with a vertical icon rail. */
.az-contact.az-contact--social-expand{
  --az-contact-button-size:50px;
  --az-contact-channel-size:46px;
  --az-contact-bottom:20px;
  left:auto;
  right:20px;
  bottom:calc(var(--az-contact-bottom) + env(safe-area-inset-bottom,0px));
  width:max-content;
  max-width:calc(100vw - 40px);
}
.az-contact--social-expand .az-contact__bar{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.az-contact--social-expand .az-contact__hotline{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
  height:44px;
  padding:5px 16px 5px 5px;
  border:0;
  border-radius:999px;
  background:#c7222b;
  color:#fff;
  text-decoration:none;
  box-shadow:0 3px 12px #0000001f;
  transition:background .18s,box-shadow .18s;
}
.az-contact--social-expand .az-contact__hotline-icon{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;border:1px solid #ffffff4d;border-radius:50%;background:#ffffff12}
.az-contact--social-expand .az-contact__hotline-icon svg{display:block;width:18px;height:18px}
.az-contact--social-expand .az-contact__hotline strong{min-width:0;margin:0;overflow:hidden;color:inherit;font:600 16px/1.2 Arial,sans-serif;text-overflow:ellipsis;white-space:nowrap}
.az-contact.az-contact--social-expand .az-contact__toggle{
  flex:0 0 var(--az-contact-button-size);
  width:var(--az-contact-button-size);
  min-width:var(--az-contact-button-size);
  height:var(--az-contact-button-size);
  min-height:var(--az-contact-button-size);
  padding:0;
  border:2px solid #fff;
  border-radius:50%;
  background:#c7222b;
  color:#fff;
  box-shadow:0 0 0 1px #0000000a,0 3px 12px #00000024;
}
.az-contact.az-contact--social-expand .az-contact__toggle>.az-contact__toggle-label{position:static;display:block;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal;font:600 12px/1.25 Arial,sans-serif;text-align:center}
.az-contact.az-contact--social-expand .az-contact__links{
  position:absolute;
  right:calc((var(--az-contact-button-size) - var(--az-contact-channel-size))/2 - 10px);
  bottom:calc(var(--az-contact-button-size) + 8px);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  width:calc(var(--az-contact-channel-size) + 20px);
  max-height:calc(100vh - var(--az-contact-button-size) - var(--az-contact-bottom) - 40px - env(safe-area-inset-bottom,0px));
  max-height:calc(100dvh - var(--az-contact-button-size) - var(--az-contact-bottom) - 40px - env(safe-area-inset-bottom,0px));
  margin:0;
  padding:10px;
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-width:none;
  background:transparent;
}
.az-contact--social-expand .az-contact__links::-webkit-scrollbar{display:none}
.az-contact.az-contact--social-expand .az-contact__links[hidden]{display:none}
.az-contact.az-contact--social-expand .az-contact__link{
  --az-social-color:#1877f2;
  display:grid;
  place-items:center;
  flex:0 0 var(--az-contact-channel-size);
  width:var(--az-contact-channel-size);
  height:var(--az-contact-channel-size);
  min-height:var(--az-contact-channel-size);
  padding:0;
  border:3px solid #fff;
  border-radius:50%;
  background:var(--az-social-color);
  color:#fff;
  box-shadow:0 3px 10px #00000014;
  transition:transform .18s,box-shadow .18s;
}
.az-contact--social-expand .az-contact__link svg{display:block;width:24px;height:24px}
.az-contact.az-contact--social-expand .az-contact-social__zalo{--az-social-color:#fff;color:#48a9ce}
.az-contact--social-expand .az-contact-social__zalo svg{width:36px;height:36px}
.az-contact.az-contact--social-expand .az-contact-social__maps{--az-social-color:#a2dcae}
.az-contact--social-expand .az-contact-social__maps svg{width:32px;height:32px}
.az-contact.az-contact--social-expand .az-contact-social__messenger{--az-social-color:#3882f6}
.az-contact.az-contact--social-expand .az-contact-social__youtube{--az-social-color:#e62117}
.az-contact.az-contact--social-expand .az-contact-social__tiktok,
.az-contact.az-contact--social-expand .az-contact-social__x{--az-social-color:#171717}
.az-contact.az-contact--social-expand .az-contact-social__instagram{--az-social-color:#c13584}
.az-contact.az-contact--social-expand .az-contact-social__linkedin{--az-social-color:#0a66c2}
.az-contact.az-contact--social-expand .az-contact-social__pinterest{--az-social-color:#bd081c}
.az-contact.az-contact--social-expand .az-contact-social__whatsapp{--az-social-color:#128c7e}
.az-contact--social-expand .az-contact__hotline:hover{background:#bb1c26;color:#fff;transform:none}
.az-contact--social-expand .az-contact__toggle:hover,
.az-contact--social-expand .az-contact__toggle[aria-expanded="true"]{background:#a7272a}
.az-contact--social-expand .az-contact__hotline:focus-visible,
.az-contact--social-expand .az-contact__toggle:focus-visible,
.az-contact--social-expand .az-contact__link:focus-visible{outline:3px solid #154c85;outline-offset:3px}
/* Keep the optional back-to-top control clear of both the bar and icon rail. */
body:has(.az-contact--social-expand.az-contact--right) a.az-back-to-top--right{right:84px;bottom:calc(84px + env(safe-area-inset-bottom,0px))}
body:has(.az-contact--social-expand.az-contact--left) a.az-back-to-top--left{left:84px;bottom:calc(84px + env(safe-area-inset-bottom,0px))}
.az-contact.az-contact--social-expand.az-contact--left{left:20px;right:auto}
.az-contact--social-expand.az-contact--left .az-contact__bar{flex-direction:row-reverse}
.az-contact.az-contact--social-expand.az-contact--left .az-contact__links{left:calc((var(--az-contact-button-size) - var(--az-contact-channel-size))/2 - 10px);right:auto}
.az-contact.az-contact--icons.az-contact--right{left:auto;right:30px}
body:has(.az-contact--icons.az-contact--left) a.az-back-to-top--left{left:98px}
body:has(.az-contact--icons.az-contact--right) a.az-back-to-top--right{right:98px}
@media(max-width:640px){
  .az-contact.az-contact--social-expand{--az-contact-button-size:44px;--az-contact-channel-size:44px;--az-contact-bottom:12px;right:12px;max-width:calc(100vw - 24px)}
  .az-contact--social-expand .az-contact__bar{gap:8px}
  .az-contact--social-expand .az-contact__hotline{padding-right:12px}
  .az-contact--social-expand .az-contact__hotline strong{font-size:14px}
  .az-contact.az-contact--social-expand .az-contact__toggle>.az-contact__toggle-label{font-size:11px}
  body:has(.az-contact--social-expand.az-contact--right) a.az-back-to-top--right{right:72px;bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  body:has(.az-contact--social-expand.az-contact--left) a.az-back-to-top--left{left:72px;bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .az-contact.az-contact--social-expand.az-contact--left{left:12px}
  .az-contact.az-contact--icons.az-contact--right{right:26px}
  body:has(.az-contact--icons.az-contact--left) a.az-back-to-top--left{left:90px}
  body:has(.az-contact--icons.az-contact--right) a.az-back-to-top--right{right:90px}
}
@media(prefers-reduced-motion:reduce){
  .az-contact--social-expand .az-contact__hotline,
  .az-contact.az-contact--social-expand .az-contact__link{transition:none}
  .az-contact--social-expand a:hover{transform:none}
}