.str-form { max-width: 720px; margin: 16px 0; font-family: 'Kanit', sans-serif; }
.str-form .str-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.str-form label { display:block; font-weight:600; font-size: .95rem; color:#111827; }
.str-form input, .str-form textarea, .str-form select { width:100%; padding:10px; border:1px solid #e5e7eb; border-radius:10px; }
.str-form button { margin-top: 8px; padding:10px 16px; border-radius:12px; border:1px solid #111827; background:#111827; color:#fff; cursor:pointer; font-weight:600; }
.str-form .str-msg { margin-top:8px; font-weight:500; }
.str-chip { display:inline-block; padding:2px 8px; border:1px solid #e5e7eb; border-radius:10px; background:#f3f4f6; color:#111827; font-weight:500; }
@media (max-width:640px){ .str-form .str-grid{ grid-template-columns: 1fr; } }