/* Contact page styles — ported from lien-he.html inline <style>. */
    .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;
    }
    /* ===== HỆ THỐNG PHÂN PHỐI — locator (region/tỉnh filter + map + list) ===== */
    /* TASA-style: canh giữa, KHÔNG đóng khung — eyebrow pill nhỏ trên đầu,
       tiêu đề to in đậm màu mực, chữ "toàn quốc" đỏ theo logo LIVAS. */
    .dn-banner {
      position: relative;
      text-align: center;
      padding: clamp(8px, 2vw, 18px) 0 clamp(20px, 3vw, 34px);
      color: var(--c-ink, #0A0A0A);
      margin-bottom: 30px;
    }
    .dn-banner__eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-family: var(--ff-display);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--c-red, #DA2128);
      background: none;
      border: 0;
      padding: 0;
      margin: 0 auto 18px;
    }
    .dn-banner__eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--c-red, #DA2128);
      box-shadow: 0 0 0 4px rgba(218,33,40,0.16);
    }
    .dn-banner__title {
      font-family: var(--ff-display);
      font-size: clamp(2.6rem, 6.2vw, 4.6rem);
      line-height: 1.05;
      font-weight: 900;
      letter-spacing: -0.01em;
      color: var(--c-ink, #0A0A0A);
      margin: 0;
    }
    .dn-banner__title em {
      font-style: normal;
      color: var(--c-red, #DA2128);
      -webkit-text-fill-color: var(--c-red, #DA2128);
    }
    .dn-banner, .dn-banner * { font-style: normal; }
    .dn-banner__lead {
      max-width: 620px;
      font-size: 1.02rem;
      line-height: 1.6;
      color: var(--c-muted, #5A5A58);
      margin: 16px auto 0;
    }

    .dn-filter {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 14px;
      margin-bottom: 30px;
    }
    .dn-province {
      flex: 0 1 320px;
    }
    .dn-province select { width: 100%; }
    .dn-province select {
      appearance: none;
      font-family: var(--ff-body, inherit);
      font-size: 0.95rem;
      color: var(--c-ink, #0A0A0A);
      background: #fff
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="%238A8A88" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg>')
        no-repeat right 14px center;
      border: 1px solid var(--c-line, rgba(10,10,10,0.14));
      border-radius: 12px;
      padding: 12px 44px 12px 16px;
      min-width: 230px;
      cursor: pointer;
      transition: border-color 0.35s var(--ease, cubic-bezier(0.22,1,0.36,1));
    }
    .dn-province select:focus { outline: none; border-color: var(--c-red, #DA2128); }

    .dn-layout {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 32px;
      align-items: start;
    }
    .dn-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
      max-height: 640px;
      overflow-y: auto;
      padding-right: 6px;
    }
    .dn-list::-webkit-scrollbar { width: 6px; }
    .dn-list::-webkit-scrollbar-thumb { background: var(--c-line, rgba(10,10,10,0.18)); border-radius: 999px; }

    .dn-card {
      display: flex;
      gap: 16px;
      background: #fff;
      border: 1px solid var(--c-line, rgba(10,10,10,0.08));
      border-radius: 14px;
      padding: 22px 22px;
      cursor: pointer;
      transition: transform 0.45s var(--ease, cubic-bezier(0.22,1,0.36,1)),
                  box-shadow 0.45s var(--ease, cubic-bezier(0.22,1,0.36,1)),
                  border-color 0.4s var(--ease, cubic-bezier(0.22,1,0.36,1));
    }
    .dn-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 22px 44px -28px rgba(10,10,10,0.4);
      border-color: rgba(218,33,40,0.35);
    }
    .dn-card.is-active {
      border-color: var(--c-red, #DA2128);
      box-shadow: inset 3px 0 0 0 var(--c-red, #DA2128), 0 22px 44px -30px rgba(218,33,40,0.5);
      background: rgba(218,33,40,0.03);
    }
    .dn-card[hidden] { display: none; }
    .dn-card__pin {
      flex: 0 0 auto;
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(218,33,40,0.1);
      color: var(--c-red, #DA2128);
    }
    .dn-card__body { flex: 1 1 auto; min-width: 0; }
    .dn-card__region {
      display: inline-block;
      font-family: var(--ff-display);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--c-red, #DA2128);
      margin: 0 0 6px;
    }
    .dn-card__city {
      font-family: var(--ff-display);
      font-size: 1.18rem;
      line-height: 1.2;
      color: var(--c-ink, #0A0A0A);
      margin: 0 0 10px;
    }
    .dn-card__addr {
      font-size: 0.92rem;
      line-height: 1.55;
      color: var(--c-mute, #8A8A88);
      margin: 0 0 6px;
    }
    .dn-card__addr strong { color: var(--c-ink, #0A0A0A); font-weight: 600; }
    .dn-card__row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 18px;
      margin-top: 12px;
    }
    .dn-card__tel {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--c-ink, #0A0A0A);
      text-decoration: none;
    }
    .dn-card__tel:hover { color: var(--c-red, #DA2128); }
    .dn-card__map {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-family: var(--ff-display);
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--c-red, #DA2128);
      text-decoration: none;
      transition: gap 0.35s var(--ease, cubic-bezier(0.22,1,0.36,1));
    }
    .dn-card__map:hover { gap: 11px; }

    .dn-map {
      position: sticky;
      top: 100px;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--c-line, rgba(10,10,10,0.08));
      box-shadow: 0 30px 60px -40px rgba(10,10,10,0.4);
    }
    .dn-map iframe {
      display: block;
      width: 100%;
      height: 640px;
      border: 0;
    }
    .dn-empty {
      display: none;
      padding: 40px 20px;
      text-align: center;
      color: var(--c-mute, #8A8A88);
      font-size: 0.95rem;
    }
    .dn-empty.is-on { display: block; }

    @media (max-width: 980px) {
      .dn-layout { grid-template-columns: 1fr; }
      .dn-map { position: static; }
      .dn-map iframe { height: 380px; }
      .dn-list { max-height: none; overflow: visible; padding-right: 0; }
    }
    @media (max-width: 560px) {
      .dn-province { margin-left: 0; width: 100%; }
      .dn-province select { width: 100%; }
    }

    /* ===== HERO gọn: breadcrumb mảnh (giữ strip tối cho header logo trắng) ===== */
    .page-inner .page-hero--immersive { min-height: 30vh; }
    .page-inner .page-hero--immersive .container {
      padding-top: clamp(92px, 12vh, 132px);
      padding-bottom: clamp(24px, 3.5vh, 40px);
    }
    .page-inner .page-hero--immersive .page-hero__title { font-size: clamp(1.9rem, 4vw, 3rem); }
    .page-hero__title em, .page-block__title em { font-style: normal; }

    /* ===== SPLIT LIÊN HỆ — panel info/brand (trái, ảnh nền) + form 2 cột (phải) — clone layout TASA ===== */
    .contact-split { padding-top: clamp(40px, 5vw, 68px); }
    .csplit {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      background: #fff;
      border: 1px solid var(--c-line, rgba(10,10,10,0.08));
      border-radius: 22px;
      overflow: hidden;
      box-shadow: 0 44px 84px -54px rgba(10,10,10,0.5);
    }

    /* LEFT — panel thông tin liên hệ trên ảnh nền + phủ đỏ */
    .csplit__info {
      position: relative;
      isolation: isolate;
      display: flex;
      flex-direction: column;
      gap: clamp(22px, 2.4vw, 32px);
      padding: clamp(32px, 3.2vw, 52px);
      color: #fff;
    }
    .csplit__info::before {
      content: "";
      position: absolute; inset: 0; z-index: -2;
      background: url('../../images/gallery/reception.jpg') center/cover no-repeat;
    }
    .csplit__info::after {
      content: "";
      position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(158deg, rgba(193,0,14,0.93), rgba(218,33,40,0.82));
    }
    .csplit__logo img { height: 38px; width: auto; display: block; }
    .csplit__head {
      font-family: var(--ff-display);
      font-size: clamp(1.5rem, 2.3vw, 2.05rem);
      line-height: 1.15;
      margin: 0;
    }
    .csplit__head em { font-style: normal; color: #fff; opacity: 0.9; }
    .csplit__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
    .csplit__list li { display: flex; gap: 14px; align-items: flex-start; }
    .csplit__ic {
      flex: 0 0 auto; width: 42px; height: 42px;
      display: grid; place-items: center; border-radius: 12px;
      background: rgba(255,255,255,0.16);
    }
    .csplit__k {
      display: block; font-family: var(--ff-display);
      font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
      color: rgba(255,255,255,0.82); margin: 0 0 4px;
    }
    .csplit__v { display: block; font-size: 0.98rem; font-weight: 600; line-height: 1.45; color: #fff; text-decoration: none; }
    a.csplit__v:hover { text-decoration: underline; }
    .csplit__social { display: flex; gap: 12px; margin-top: auto; padding-top: 6px; }
    .csplit__social a {
      width: 42px; height: 42px;
      display: grid; place-items: center; border-radius: 11px;
      background: rgba(255,255,255,0.14); color: #fff;
      transition: background 0.35s var(--ease, cubic-bezier(0.22,1,0.36,1)),
                  color 0.35s var(--ease, cubic-bezier(0.22,1,0.36,1)),
                  transform 0.35s var(--ease, cubic-bezier(0.22,1,0.36,1));
    }
    .csplit__social a:hover { background: #fff; color: var(--c-red, #DA2128); transform: translateY(-3px); }

    /* RIGHT — form, field xếp 2 cột (mặc định .form) */
    .csplit__form { padding: clamp(30px, 3vw, 52px); }
    .csplit__form-title {
      font-family: var(--ff-display);
      font-size: clamp(1.4rem, 2.2vw, 1.85rem); line-height: 1.16;
      margin: 0 0 8px; color: var(--c-ink, #0A0A0A);
    }
    .csplit__form-title em { color: var(--c-red, #DA2128); font-style: normal; }
    .csplit__form-sub {
      font-size: 0.96rem; line-height: 1.55; color: var(--c-mute, #8A8A88);
      margin: 0 0 26px;
    }
    .csplit__form .form__submit { justify-self: start; }

    @media (max-width: 900px) {
      .csplit { grid-template-columns: 1fr; }
    }

    /* ===== TASA clone -- light contact layout (task161 muc1) ===== */
    .page-contact .header {
      background: rgba(255,255,255,0.96);
      border-bottom: 1px solid var(--c-line, rgba(10,10,10,0.10));
      backdrop-filter: saturate(180%) blur(18px);
      -webkit-backdrop-filter: saturate(180%) blur(18px);
      color: var(--c-ink, #0A0A0A);
    }
    .page-contact .contact-split {
      padding-top: calc(var(--header-h, 80px) + clamp(26px, 4vw, 54px));
    }
    .csplit { box-shadow: 0 40px 80px -56px rgba(10,10,10,0.22); }
    .csplit__info { color: var(--c-ink, #0A0A0A); }
    .csplit__info::after {
      background: linear-gradient(158deg, rgba(255,255,255,0.95), rgba(255,255,255,0.90));
    }
    .csplit__head { color: var(--c-ink, #0A0A0A); }
    .csplit__head em { color: var(--c-red, #DA2128); opacity: 1; }
    .csplit__ic {
      background: #fff;
      border: 1.5px solid var(--c-red, #DA2128);
      color: var(--c-red, #DA2128);
    }
    .csplit__k { color: var(--c-mute, #8A8A88); }
    .csplit__v { color: var(--c-ink, #0A0A0A); }
    a.csplit__v:hover { color: var(--c-red, #DA2128); }
    .csplit__social a { background: rgba(10,10,10,0.05); color: var(--c-ink, #0A0A0A); }
    .csplit__social a:hover { background: var(--c-red, #DA2128); color: #fff; }
    .csplit__form .form__label {
      text-transform: none; letter-spacing: 0;
      font-size: 0.82rem; font-weight: 600; color: var(--c-ink, #0A0A0A);
    }
    .csplit__form .form__input,
    .csplit__form .form__select,
    .csplit__form .form__textarea {
      background: transparent; border: 0;
      border-bottom: 1px solid var(--c-line, rgba(10,10,10,0.18));
      border-radius: 0; padding: 11px 2px;
    }
    .csplit__form .form__input:focus,
    .csplit__form .form__select:focus,
    .csplit__form .form__textarea:focus { border-bottom-color: var(--c-red, #DA2128); }
    .csplit__form .form__textarea { min-height: 96px; }
    .csplit__form .form__submit {
      background: var(--c-red, #DA2128); color: #fff; border: 0;
      border-radius: 999px; padding: 15px 30px; gap: 12px;
    }
    .csplit__form .form__submit:hover { filter: brightness(1.06); }
    .csplit__form .form__submit .arr {
      background: rgba(255,255,255,0.22); border-radius: 999px;
      padding: 4px; width: 26px; height: 26px; box-sizing: border-box;
    }
