.page-contact {
  --ct-band: clamp(56px, 8vw, 104px);
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏联络台 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  pointer-events: none;
}

.page-contact .ct-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 4vw, 44px) 0 clamp(52px, 7.5vw, 92px);
}

.page-contact .ct-crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-contact .ct-crumbs a {
  color: var(--charcoal);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-crumbs a:hover {
  color: var(--gobi-deep);
  border-bottom-color: var(--gobi);
}

.page-contact .ct-hero__eyebrow {
  margin: clamp(20px, 3vw, 32px) 0 0;
  color: var(--gobi-deep);
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  max-width: 14em;
}

.page-contact .ct-hero__lede {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--charcoal);
}

.page-contact .ct-desk {
  margin-top: clamp(30px, 4.6vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink);
  color: var(--snow);
  border-top: 3px solid var(--gobi);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .ct-desk__cell {
  min-width: 0;
  padding: clamp(22px, 3.2vw, 38px);
  border-top: 1px solid var(--line-light);
}

.page-contact .ct-desk__cell:first-child {
  border-top: 0;
}

.page-contact .ct-desk__key {
  margin: 0;
  color: var(--glacier);
}

.page-contact .ct-desk__value {
  display: block;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2.2vw, 24px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--snow);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact a.ct-desk__value:hover {
  color: var(--gobi);
  border-bottom-color: var(--gobi);
}

.page-contact .ct-desk__note {
  margin: 14px 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.74);
}

.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--snow);
  background: transparent;
  border: 1px solid rgba(247, 244, 236, 0.38);
  border-left: 3px solid var(--gobi);
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--gobi);
  border-color: var(--gobi);
  color: var(--snow);
}

.page-contact .ct-copy.is-copied {
  background: var(--gobi);
  border-color: var(--gobi);
}

.page-contact .ct-desk__pair {
  display: grid;
  gap: 22px;
}

.page-contact .ct-desk__plain {
  margin: 10px 0 0;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.75;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .ct-desk__plain.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 旧版资料 ---------- */
.page-contact .ct-legacy {
  padding: var(--ct-band) 0;
  background: var(--snow);
}

.page-contact .ct-legacy__card {
  background: var(--sand);
  border-left: 6px solid var(--amber);
  padding: clamp(24px, 3.6vw, 46px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .ct-legacy__tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--amber);
}

.page-contact .ct-legacy__card h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 40px);
  line-height: 1.16;
}

.page-contact .ct-legacy__text {
  margin: 0 0 12px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-contact .ct-legacy__text--tip {
  margin-top: 16px;
  padding: 12px 16px;
  border-left: 3px solid var(--gobi);
  background: var(--snow);
  color: var(--ink);
}

.page-contact .ct-legacy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-legacy__actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-legacy__actions a:first-child {
  background: var(--ink);
  color: var(--snow);
}

.page-contact .ct-legacy__actions a:first-child:hover {
  background: var(--gobi);
  border-color: var(--gobi);
}

.page-contact .ct-legacy__actions a + a {
  background: transparent;
  color: var(--ink);
}

.page-contact .ct-legacy__actions a + a:hover {
  background: var(--ink);
  color: var(--snow);
}

/* ---------- 通用小标题区 ---------- */
.page-contact .ct-sec__head {
  max-width: 52em;
}

.page-contact .ct-sec__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.005em;
}

.page-contact .ct-sec__lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* ---------- 合作 ---------- */
.page-contact .ct-collab {
  background: var(--pine);
  color: var(--snow);
  padding: var(--ct-band) 0;
}

.page-contact .ct-collab__label {
  margin: 0;
  color: var(--glacier);
}

.page-contact .ct-collab__lede {
  color: rgba(247, 244, 236, 0.78);
}

.page-contact .ct-collab__grid {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-light);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.page-contact .ct-collab__item {
  padding: clamp(22px, 3vw, 34px);
  background: var(--pine);
}

.page-contact .ct-collab__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gobi);
}

.page-contact .ct-collab__item h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.25;
  color: var(--snow);
}

.page-contact .ct-collab__item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.76);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow {
  padding: var(--ct-band) 0;
  background: var(--snow);
}

.page-contact .ct-flow__inner {
  display: grid;
  gap: clamp(32px, 4.4vw, 56px);
}

.page-contact .ct-flow__intro > .label {
  margin: 0;
  color: var(--gobi-deep);
}

.page-contact .ct-details {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-details summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gobi);
}

.page-contact .ct-details[open] summary::after {
  content: "−";
}

.page-contact .ct-details__list {
  margin: 0;
  padding: 0 0 18px;
  list-style: none;
}

.page-contact .ct-details__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--charcoal);
}

.page-contact .ct-details__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--glacier);
}

.page-contact .ct-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-flow__step {
  position: relative;
  margin-left: 14px;
  padding: 0 0 clamp(26px, 3.6vw, 40px) 34px;
  border-left: 1px solid var(--line);
}

.page-contact .ct-flow__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .ct-flow__dot {
  position: absolute;
  left: -7px;
  top: 5px;
  width: 13px;
  height: 13px;
  background: var(--snow);
  border: 2px solid var(--gobi);
  transform: rotate(45deg);
}

.page-contact .ct-flow__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .ct-flow__step h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.25;
}

.page-contact .ct-flow__step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

/* ---------- 到访 ---------- */
.page-contact .ct-visit {
  padding: var(--ct-band) 0;
  background: var(--sand);
}

.page-contact .ct-visit__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-visit__media {
  position: relative;
  background: var(--sand-deep);
  overflow: hidden;
}

.page-contact .ct-visit__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-visit__pin {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--snow);
  background: var(--ink);
}

.page-contact .ct-visit__body > .label {
  margin: 0;
  color: var(--gobi-deep);
}

.page-contact .ct-visit__addr {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--gobi);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 600;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .ct-visit__meta {
  margin: 26px 0 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-visit__meta dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-contact .ct-visit__meta dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--charcoal);
}

/* ---------- 联系前可先看 ---------- */
.page-contact .ct-before {
  padding: var(--ct-band) 0;
  background: var(--snow);
}

.page-contact .ct-before__list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-before__list li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-before__list a {
  justify-self: start;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--gobi);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-before__list a:hover {
  color: var(--gobi-deep);
  border-bottom-color: var(--ink);
}

.page-contact .ct-before__list span {
  font-size: 15px;
  line-height: 1.78;
  color: var(--charcoal);
}

/* ---------- 中屏以上 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-desk__pair {
    grid-template-columns: 1.45fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-before__list li {
    grid-template-columns: 190px 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-desk {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-desk__cell {
    border-top: 1px solid var(--line-light);
  }

  .page-contact .ct-desk__cell:nth-child(1),
  .page-contact .ct-desk__cell:nth-child(2) {
    border-top: 0;
  }

  .page-contact .ct-desk__cell:nth-child(even) {
    border-left: 1px solid var(--line-light);
  }

  .page-contact .ct-desk__cell--wide {
    grid-column: 1 / -1;
    border-left: 0;
  }

  .page-contact .ct-collab__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow__inner {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
    gap: clamp(40px, 6vw, 88px);
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-hero__lede {
    max-width: 36em;
  }

  .page-contact .ct-legacy__card {
    padding: clamp(32px, 3.4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-legacy__actions a,
  .page-contact .ct-before__list a,
  .page-contact a.ct-desk__value {
    transition: none;
  }
}