/* Khối liên hệ dùng chung cho các trang không có sẵn CSS form (trang chủ đã tự có). */
.form-sec{background:linear-gradient(180deg,var(--nen2),var(--nen));padding:76px 0 104px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:860px){.form-grid{grid-template-columns:1fr;gap:30px}}
.form-hop{background:var(--nen3);border:1px solid var(--vien);border-radius:20px;padding:28px;box-shadow:var(--bong2)}
.form-hop label{display:block;font-size:13.5px;font-weight:600;color:var(--chu2);margin-bottom:6px}
.form-hop input,.form-hop textarea,.form-hop select{width:100%;font-family:inherit;font-size:16px;color:var(--chu);
  background:var(--nen);border:1.5px solid var(--vien);border-radius:11px;padding:13px 14px;margin-bottom:15px;
  min-height:50px;transition:border-color .18s ease,background .18s ease}
.form-hop textarea{min-height:88px;resize:vertical;line-height:1.55}
.form-hop input:focus,.form-hop textarea:focus,.form-hop select:focus{outline:none;border-color:var(--vang2);background:#fff}
.form-hop .nut{width:100%}
.form-ghi{font-size:13px;color:var(--chu3);text-align:center;margin-top:12px;line-height:1.6}
.form-bao{display:none;font-size:15px;border-radius:11px;padding:14px;margin-top:14px;text-align:center;font-weight:500}
.bao-ok{background:var(--xanhnhat);color:var(--xanh)}
.bao-loi{background:var(--donhat);color:var(--do)}
.lien-he{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.lh{display:flex;align-items:center;gap:13px;text-decoration:none;background:var(--nen3);border:1px solid var(--vien);
  border-radius:13px;padding:14px 16px;box-shadow:var(--bong);min-height:60px}
.lh:hover{border-color:var(--vang2)}
.lh i{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-style:normal;font-size:19px;
  background:var(--vangnhat);flex:0 0 auto}
.lh b{display:block;font-size:15.5px}
.lh small{color:var(--chu3);font-size:13px}

footer{background:var(--toi);color:#9b9da3;padding:44px 0 30px;font-size:14px}
.ft{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft-logo{color:#fff;font-weight:800;font-size:18px;letter-spacing:-.02em}
.ft a{color:#9b9da3;text-decoration:none;margin-left:18px}
.ft a:hover{color:var(--vang2)}
.ft-cuoi{padding-top:20px;font-size:13px;color:#6f7178;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

.thanh{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;gap:8px;padding:9px 12px calc(9px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--vien);box-shadow:0 -4px 20px rgba(21,22,26,.08)}
.thanh a{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;min-height:48px;border-radius:11px;
  font-size:15px;font-weight:600;text-decoration:none}
.thanh .t-goi{background:var(--nen2);color:var(--chu);border:1px solid var(--vien)}
.thanh .t-form{background:linear-gradient(135deg,var(--vang2),var(--vang));color:#fff}
@media(max-width:860px){.thanh{display:flex}body{padding-bottom:76px}}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

@media(max-width:860px){.form-grid{grid-template-columns:1fr;gap:30px}}