.page-contact {
  --ct-gap: clamp(18px, 4vw, 40px);
  --ct-pad-block: clamp(30px, 6vw, 72px);
  background: var(--chalk);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  padding: 14px 0 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--concrete-mid);
}

.page-contact .breadcrumbs a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--mist);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.page-contact .crumb-sep {
  margin: 0 7px;
  color: var(--concrete-mid);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  background: linear-gradient(158deg, var(--ink) 0%, var(--pitch-deep) 100%);
  color: var(--paper);
  padding: clamp(30px, 6vw, 64px) 0 clamp(34px, 7vw, 76px);
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -70px;
  width: 78%;
  height: 230px;
  background: repeating-linear-gradient(115deg, rgba(255, 210, 63, 0.16) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--whistle);
}

.page-contact .ct-kicker-num {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 24px;
  padding: 0 6px;
  background: var(--signal);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0;
}

.page-contact .ct-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 70px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-contact .ct-btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.page-contact .ct-btn-primary:hover {
  background: var(--whistle);
  border-color: var(--whistle);
  transform: translateY(-2px);
}

.page-contact .ct-btn-ghost {
  background: transparent;
  border-color: rgba(244, 245, 241, 0.42);
  color: var(--paper);
}

.page-contact .ct-btn-ghost:hover {
  border-color: var(--whistle);
  color: var(--whistle);
  transform: translateY(-2px);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--whistle);
}

.page-contact .ct-desk {
  background: var(--chalk);
  color: var(--ink);
  border-left: 4px solid var(--whistle);
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .ct-desk-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.page-contact .ct-desk-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-desk-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--mist);
}

.page-contact .ct-desk-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-desk-row dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--concrete-mid);
}

.page-contact .ct-desk-row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .ct-desk-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--mist);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--concrete-mid);
}

/* ---------- 主体双栏 ---------- */
.page-contact .ct-body {
  padding: var(--ct-pad-block) 0 clamp(20px, 4vw, 36px);
}

.page-contact .ct-body-grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-sec-head {
  margin: 0 0 22px;
}

.page-contact .ct-sec-index {
  display: inline-block;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-contact .ct-sec-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-contact .ct-sec-lede {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--concrete-mid);
}

.page-contact .ct-line {
  padding: 18px 0;
  border-top: var(--line);
}

.page-contact .ct-line-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--concrete-mid);
}

.page-contact .ct-tag {
  padding: 2px 6px;
  background: var(--whistle);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0;
}

.page-contact .ct-tag-signal {
  background: var(--signal);
}

.page-contact .ct-phone {
  display: inline-block;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--signal);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-contact .ct-phone:hover {
  color: var(--pitch);
  border-color: var(--whistle);
}

.page-contact .ct-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--signal);
  transition: background 0.15s ease, color 0.15s ease;
}

.page-contact .ct-mail:hover {
  background: var(--whistle);
  color: var(--ink);
}

.page-contact .ct-line-hint {
  margin: 9px 0 0;
  max-width: 42ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--concrete-mid);
  transition: color 0.15s ease;
}

.page-contact .ct-line:hover .ct-line-hint {
  color: var(--ink);
}

.page-contact .ct-address {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--concrete-mid);
}

.page-contact .ct-address .ct-line-label {
  margin-bottom: 6px;
}

.page-contact .ct-address-text {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}

.page-contact .ct-figure {
  margin: 22px 0 0;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--concrete-dark);
  filter: grayscale(0.32) contrast(1.05);
}

.page-contact .ct-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--concrete-mid);
}

.page-contact .ct-block {
  margin-bottom: 18px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--paper);
  border-top: 3px solid var(--ink);
}

.page-contact .ct-block:last-child {
  margin-bottom: 0;
}

.page-contact .ct-block-index {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--pitch);
}

.page-contact .ct-block-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.28;
}

.page-contact .ct-block p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--concrete-dark);
}

.page-contact .ct-block p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--concrete-dark);
}

.page-contact .ct-check {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  background: var(--whistle);
  border: 1px solid var(--ink);
}

.page-contact .ct-block-dark {
  background: var(--concrete-dark);
  border-top-color: var(--whistle);
}

.page-contact .ct-block-dark .ct-block-index {
  color: var(--whistle);
}

.page-contact .ct-block-dark .ct-block-title,
.page-contact .ct-block-dark p {
  color: var(--paper);
}

.page-contact .ct-block .ct-reply-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(244, 245, 241, 0.22);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .ct-reply-stat .mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--whistle);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  margin-top: clamp(24px, 4vw, 48px);
  padding: var(--ct-pad-block) 0;
  background: linear-gradient(178deg, var(--pitch-deep) 0%, var(--pitch) 100%);
  color: var(--paper);
}

.page-contact .ct-sec-head-dark .ct-sec-index {
  color: var(--whistle);
}

.page-contact .ct-sec-head-dark .ct-sec-title {
  color: var(--paper);
}

.page-contact .ct-sec-head-dark .ct-sec-lede {
  color: rgba(244, 245, 241, 0.78);
}

.page-contact .ct-coop-grid {
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-coop-item {
  padding: 16px 16px 18px;
  background: rgba(11, 13, 12, 0.55);
  border: 1px solid rgba(244, 245, 241, 0.22);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.page-contact .ct-coop-item:hover,
.page-contact .ct-coop-item:focus-within {
  transform: translateY(-2px);
  border-color: var(--whistle);
  background: rgba(11, 13, 12, 0.8);
}

.page-contact .ct-coop-name {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .ct-coop-name::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--signal);
}

.page-contact .ct-coop-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 245, 241, 0.82);
  transition: color 0.15s ease;
}

.page-contact .ct-coop-item:hover .ct-coop-desc {
  color: var(--paper);
}

.page-contact .ct-coop .ct-figure {
  margin-top: 26px;
}

.page-contact .ct-coop .ct-figure img {
  aspect-ratio: 14 / 9;
  filter: grayscale(0.18) contrast(1.06);
}

.page-contact .ct-coop figcaption {
  color: rgba(244, 245, 241, 0.72);
}

/* ---------- 下一步入口 ---------- */
.page-contact .ct-next {
  padding: var(--ct-pad-block) 0 clamp(38px, 6vw, 72px);
  background: var(--chalk);
}

.page-contact .ct-next-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .ct-next-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-contact .ct-next-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  transition: padding-left 0.15s ease, color 0.15s ease;
}

.page-contact .ct-next-list a span {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--concrete-mid);
}

.page-contact .ct-next-list a:hover {
  padding-left: 8px;
  color: var(--pitch);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .ct-next-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-body-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-channel {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-coop-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }

  .page-contact .ct-btn:hover,
  .page-contact .ct-coop-item:hover,
  .page-contact .ct-coop-item:focus-within {
    transform: none !important;
  }
}