/* ============================================================
   CONTACT US page (ct-*) — follows site palette:
   yellow #FFC400 / dark #171B27 / white, minimal industrial.
   ============================================================ */
.ct-container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ---- hero band ---- */
.ct-hero {
  background: #171B27;
  padding: 64px 0 56px;
}
.ct-kicker {
  font: 700 11px/1 "Inter", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 3px; color: #FFC400; margin: 0 0 14px;
}
.ct-h1 {
  font: 700 clamp(28px, 4vw, 44px)/1.15 "Inter", "Helvetica Neue", Arial, sans-serif;
  color: #fff; margin: 0 0 14px; letter-spacing: 0.5px;
}
.ct-sub {
  font: 400 15px/1.7 "Inter", Arial, sans-serif; color: #B9BEC9;
  margin: 0; max-width: 640px;
}

/* ---- main two-column ---- */
.ct-main { padding: 56px 0 72px; background: #fff; }
.ct-grid {
  display: grid; grid-template-columns: 380px 1fr;
  gap: 40px; align-items: start;
}

/* ---- cards ---- */
.ct-card {
  background: #fff; border: 1px solid #E7E8EC; border-radius: 3px;
  padding: 28px;
}

/* ---- left: company info ---- */
.ct-side { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }
.ct-info { background: #FAFAFB; }
.ct-brandrow { display: flex; align-items: center; gap: 14px; padding-bottom: 20px; border-bottom: 1px solid #E7E8EC; margin-bottom: 18px; }
.ct-logo {
  flex: 0 0 auto; width: 46px; height: 46px; background: #171B27; color: #FFC400;
  display: flex; align-items: center; justify-content: center;
  font: 800 17px/1 "Inter", Arial, sans-serif; border-radius: 3px;
}
.ct-brandtext strong {
  display: block; font: 700 14.5px/1.35 "Inter", Arial, sans-serif; color: #171B27;
}
.ct-brandtext span {
  display: block; font: 600 11px/1.4 "Inter", Arial, sans-serif;
  letter-spacing: 1.5px; color: #8A8F9C; margin-top: 2px;
}
.ct-list { list-style: none; margin: 0 0 22px; padding: 0; }
.ct-list li { display: flex; gap: 12px; padding: 9px 0; }
.ct-list svg { flex: 0 0 auto; width: 17px; height: 17px; fill: #171B27; margin-top: 2px; }
.ct-list em {
  display: block; font: 600 10.5px/1.4 "Inter", Arial, sans-serif;
  font-style: normal; letter-spacing: 1.2px; text-transform: uppercase; color: #8A8F9C;
}
.ct-list b {
  display: block; font: 500 14px/1.5 "Inter", Arial, sans-serif;
  color: #171B27; word-break: break-word;
}
.ct-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.ct-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 3px; cursor: pointer;
  font: 700 12.5px/1 "Inter", Arial, sans-serif; letter-spacing: 0.6px;
  text-decoration: none; border: 1px solid transparent;
  transition: transform 0.15s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.15s, background 0.15s;
}
.ct-btn svg { width: 15px; height: 15px; fill: currentColor; }
.ct-btn:hover { transform: translateY(-1px); }
.ct-btn:active { transform: translateY(0); }
.ct-btn-wa { background: #FFC400; color: #171B27; }
.ct-btn-wa:hover { box-shadow: 0 3px 10px rgba(255, 196, 0, 0.35); }
.ct-btn-dark { background: #171B27; color: #fff; }
.ct-btn-dark:hover { box-shadow: 0 3px 10px rgba(23, 27, 39, 0.3); }
.ct-btn-line { background: #fff; color: #171B27; border-color: #C9CDD6; }
.ct-btn-line:hover { border-color: #171B27; }

/* ---- map card (高德链接卡，替代被墙的 Google iframe) ---- */
.ct-mapcard { padding: 8px; }
.ct-mapbox {
  display: flex; align-items: center; gap: 16px; text-decoration: none;
  border-radius: 2px; padding: 22px 20px; min-height: 130px; box-sizing: border-box;
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(23, 27, 39, 0.05) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(23, 27, 39, 0.05) 23px 24px),
    linear-gradient(135deg, #F3F4F7 0%, #EBEDF1 100%);
  border: 1px solid #E7E8EC;
  transition: border-color 0.15s, transform 0.15s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.15s;
}
.ct-mapbox:hover {
  border-color: #FFC400; transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(23, 27, 39, 0.12);
}
.ct-mapbox-big { padding: 34px 28px; min-height: 180px; }
.ct-pin { flex: 0 0 auto; width: 34px; height: 34px; fill: #D8232A; }
.ct-maptext { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ct-maptext b {
  font: 700 14.5px/1.35 "Inter", Arial, sans-serif; color: #171B27;
}
.ct-maptext > span {
  font: 400 13px/1.55 "Inter", Arial, sans-serif; color: #6B7180; word-break: break-word;
}
.ct-maptext em {
  font: 600 12px/1.4 "Inter", Arial, sans-serif; font-style: normal;
  color: #B8860B; margin-top: 4px;
}
.ct-mapbox:hover .ct-maptext em { color: #171B27; }
.ct-mapsec { background: #FAFAFB; border-top: 1px solid #E7E8EC; padding: 44px 0 64px; }
.ct-maplabel {
  font: 700 12px/1 "Inter", Arial, sans-serif; letter-spacing: 2px;
  text-transform: uppercase; color: #8A8F9C; margin: 0 0 16px;
}

/* ---- right: form ---- */
.ct-formcol { min-width: 0; }
.ct-formtitle {
  font: 700 22px/1.2 "Inter", Arial, sans-serif; color: #171B27; margin: 0 0 8px;
}
.ct-formsub { font: 400 13.5px/1.6 "Inter", Arial, sans-serif; color: #6B7180; margin: 0 0 24px; }
.ct-fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.ct-field { display: flex; flex-direction: column; min-width: 0; }
.ct-field.ct-wide { grid-column: 1 / -1; }
.ct-field > span { margin-bottom: 7px; }
.ct-field > span i { color: #D8232A; font-style: normal; margin-right: 3px; }
.ct-field > span em {
  font: 600 12px/1.3 "Inter", Arial, sans-serif; font-style: normal;
  color: #3B404C; letter-spacing: 0.2px;
}
.ct-field input,
.ct-field select,
.ct-field textarea {
  width: 100%; box-sizing: border-box; height: 42px;
  border: 1px solid #D5D8DF; border-radius: 3px; background: #fff;
  padding: 0 12px; color: #171B27;
  font: 400 13.5px/1.4 "Inter", Arial, sans-serif;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ct-field textarea { height: auto; padding: 10px 12px; resize: vertical; }
.ct-field input:focus,
.ct-field select:focus,
.ct-field textarea:focus {
  outline: none; border-color: #171B27; box-shadow: 0 0 0 2px rgba(255, 196, 0, 0.25);
}
.ct-field input::placeholder,
.ct-field textarea::placeholder { color: #A6ABB7; }
.ct-field.ct-invalid input,
.ct-field.ct-invalid select,
.ct-field.ct-invalid textarea { border-color: #D8232A; }

/* file upload row */
.ct-file {
  display: flex; align-items: center; gap: 12px;
  border: 1px dashed #C9CDD6; border-radius: 3px; padding: 10px 12px;
  cursor: pointer; transition: border-color 0.15s;
}
.ct-file:hover { border-color: #171B27; }
.ct-file input[type="file"] {
  flex: 0 0 auto; max-width: 46%; font-size: 12px; border: 0; padding: 0;
  height: auto; background: transparent;
}
.ct-file input[type="file"]::file-selector-button {
  height: 30px; padding: 0 12px; margin-right: 10px; cursor: pointer;
  background: #171B27; color: #fff; border: 0; border-radius: 2px;
  font: 600 12px/1 "Inter", Arial, sans-serif;
}
.ct-file span {
  font: 400 12.5px/1.45 "Inter", Arial, sans-serif; color: #8A8F9C;
  word-break: break-word;
}
.ct-file.ct-hasfile span { color: #171B27; font-weight: 500; }

/* error line + submit */
.ct-err {
  margin: 16px 0 0; padding: 10px 12px; border-radius: 3px;
  background: #FDECEC; color: #B42318;
  font: 500 13px/1.5 "Inter", Arial, sans-serif;
}
.ct-submit {
  margin-top: 20px; width: 100%; height: 48px; border: 0; border-radius: 3px;
  background: #FFC400; color: #171B27; cursor: pointer;
  font: 700 14px/1 "Inter", Arial, sans-serif; letter-spacing: 1.2px; text-transform: uppercase;
  transition: transform 0.15s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.15s, opacity 0.15s;
}
.ct-submit:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255, 196, 0, 0.4); }
.ct-submit:active { transform: translateY(0); }
.ct-submit[disabled] { opacity: 0.55; cursor: wait; transform: none; box-shadow: none; }

/* success panel */
.ct-done { text-align: center; padding: 56px 32px; }
.ct-done-ico {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%;
  background: #FFC400; display: flex; align-items: center; justify-content: center;
}
.ct-done-ico svg { width: 34px; height: 34px; fill: #171B27; }
.ct-done h2 { font: 700 22px/1.25 "Inter", Arial, sans-serif; color: #171B27; margin: 0 0 10px; }
.ct-done p { font: 400 14px/1.65 "Inter", Arial, sans-serif; color: #6B7180; margin: 0 0 26px; }
.ct-done .ct-btn { display: inline-flex; }

/* ============================================================
   Responsive: stack columns on mobile
   ============================================================ */
@media (max-width: 992px) {
  .ct-grid { grid-template-columns: 1fr; gap: 28px; }
  .ct-side { position: static; }
  .ct-main { padding: 40px 0 56px; }
  .ct-hero { padding: 44px 0 40px; }
}
@media (max-width: 560px) {
  .ct-container { padding: 0 18px; }
  .ct-fgrid { grid-template-columns: 1fr; }
  .ct-card { padding: 20px 16px; }
  .ct-file { flex-wrap: wrap; }
  .ct-file input[type="file"] { max-width: 100%; }
  .ct-actions .ct-btn { flex: 1 1 100%; }
  .ct-done { padding: 40px 18px; }
}