/* Form liên hệ — bám bảng màu site. */
.lh{--lh-ink:#241f4d;--lh-ink2:#5b5480;--lh-line:#e2ddf2;--lh-brand:#6d4aff;--lh-ok:#1f8555;--lh-bad:#d0446b;
    background:#fff;border:1px solid var(--lh-line);border-radius:18px;padding:22px;
    box-shadow:0 8px 26px rgba(58,47,125,.07);margin:0 0 26px}
.lh *{box-sizing:border-box}
.lh__row{display:flex;flex-wrap:wrap;gap:14px}
.lh__row .lh__field{flex:1 1 220px;min-width:0}
.lh__field{display:block;margin-bottom:15px}
.lh__label{display:block;font-size:14px;font-weight:600;color:var(--lh-ink);margin-bottom:6px}
.lh__label em{font-style:normal;font-weight:400;color:#8079a0;font-size:13px}
.lh input,.lh select,.lh textarea{width:100%;padding:12px 14px;border:1.5px solid var(--lh-line);
    border-radius:12px;background:#fdfcff;font:inherit;font-size:15.5px;color:var(--lh-ink);
    transition:border-color .15s,box-shadow .15s}
.lh input:focus,.lh select:focus,.lh textarea:focus{outline:none;border-color:var(--lh-brand);
    box-shadow:0 0 0 3px rgba(109,74,255,.14)}
.lh textarea{resize:vertical;min-height:150px;line-height:1.65}
.lh__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.lh__send{width:100%;padding:15px;border:0;border-radius:14px;
    background:linear-gradient(180deg,#7b5bff,#5b38f0);color:#fff;font:inherit;font-size:16.5px;
    font-weight:700;cursor:pointer;box-shadow:0 6px 16px rgba(109,74,255,.28)}
.lh__send:active{transform:translateY(1px)}
.lh__send[disabled]{opacity:.6;cursor:progress;box-shadow:none}
.lh__msg{margin:12px 0 0;font-size:14.5px;line-height:1.6;min-height:1.4em}
.lh__msg.is-ok{color:var(--lh-ok);font-weight:600}
.lh__msg.is-bad{color:var(--lh-bad);font-weight:600}
@media (max-width:600px){.lh{padding:16px;border-radius:15px}.lh__row{gap:0}}
@media (prefers-reduced-motion:reduce){.lh *{transition:none!important}}