.page-contact {
  --ct-hair: rgba(243, 240, 233, 0.13);
  --ct-hair-soft: rgba(243, 240, 233, 0.07);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact a {
  color: var(--surge);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 225, 206, 0.35);
}

.page-contact a:hover,
.page-contact a:focus-visible {
  border-bottom-color: var(--surge);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .crumbs__link {
  color: var(--mist);
  border-bottom-color: transparent;
}

.page-contact .crumbs__sep {
  color: var(--eave);
}

.page-contact .crumbs__current {
  color: var(--loess);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: calc(var(--header-h) + 2.25rem) 3rem;
  background:
    radial-gradient(115% 85% at 88% 6%, rgba(18, 225, 206, 0.15), transparent 60%),
    radial-gradient(90% 70% at 2% 98%, rgba(255, 106, 43, 0.13), transparent 62%),
    var(--ink);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--loess), var(--lava) 42%, var(--surge));
  opacity: 0.85;
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-contact .ct-hero__eyebrow {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--loess);
}

.page-contact .ct-hero__title {
  margin: 0.7rem 0 0;
  font-size: clamp(2rem, 7.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 34ch;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-quick {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.9rem;
}

.page-contact .ct-quick__item {
  padding: 1.05rem 1.15rem;
  background: var(--charcoal);
  border-left: 3px solid var(--surge);
  border-radius: var(--radius-sm);
}

.page-contact .ct-quick__item:last-child {
  border-left-color: var(--lava);
}

.page-contact .ct-quick__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .ct-quick__val {
  margin: 0.45rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-quick__hint {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-hero__media {
  position: relative;
  margin: 0;
}

.page-contact .ct-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  filter: grayscale(0.25) contrast(1.05);
}

.page-contact .ct-hero__cap {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-sec {
  padding-block: 3rem;
}

.page-contact .ct-sec + .ct-sec {
  border-top: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-sec__head {
  margin-bottom: 1.9rem;
}

.page-contact .ct-sec__num {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--loess);
  border-radius: 2px;
}

.page-contact .ct-sec__title {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(1.5rem, 5.2vw, 2.15rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-sec__note {
  margin: 0.85rem 0 0;
  max-width: 42ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 三块不等宽通道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-ch {
  position: relative;
  padding: 1.4rem 1.25rem 1.5rem;
  background: var(--charcoal);
  border-left: 4px solid var(--eave);
  border-radius: var(--radius-sm);
}

.page-contact .ct-ch--mail {
  border-left-color: var(--surge);
}

.page-contact .ct-ch--phone {
  border-left-color: var(--lava);
}

.page-contact .ct-ch--fix {
  border-left-color: var(--brick);
}

.page-contact .ct-ch__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--loess);
}

.page-contact .ct-ch__title {
  margin: 0.6rem 0 0;
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .ct-ch__body {
  margin: 0.7rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-ch__meta {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--ct-hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--loess);
}

/* ---------- 邮件四项 ---------- */
.page-contact .ct-mail__inner {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-contact .ct-list__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: var(--charcoal);
  border-radius: var(--radius-sm);
}

.page-contact .ct-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep-surge);
}

.page-contact .ct-list__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-list__body p {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-mail__media {
  margin: 0;
}

.page-contact .ct-mail__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(0.4);
}

.page-contact .ct-mail__cap {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 筛选与清单 ---------- */
.page-contact .ct-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.page-contact .filter-btn {
  padding: 0.55rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: var(--charcoal);
  border: 1px solid var(--ct-hair);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  color: var(--paper);
  border-color: var(--eave);
}

.page-contact .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--surge);
  border-color: var(--surge);
}

.page-contact .ct-filter__status {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--eave);
}

.page-contact .ct-panels {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-panel {
  padding: 1.4rem 1.2rem;
  background: var(--charcoal);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-sm);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), 0 100%);
}

.page-contact .ct-panel__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--surge);
}

.page-contact .ct-panel__list {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-contact .ct-panel__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--loess);
  transform: rotate(45deg);
}

.page-contact .ct-panel__subject {
  margin: 1.05rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--eave);
}

.page-contact .ct-panel__subject span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  letter-spacing: 0;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .ct-panel__tip {
  margin: 0.9rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--ct-hair);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 处理顺序与时段 ---------- */
.page-contact .ct-window__grid {
  display: grid;
  gap: 1.75rem;
}

.page-contact .ct-order {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-contact .ct-order__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.page-contact .ct-order__idx {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--loess);
  border-radius: 4px;
}

.page-contact .ct-order__item:nth-child(2) .ct-order__idx {
  background: var(--lava);
}

.page-contact .ct-order__item:nth-child(3) .ct-order__idx {
  background: var(--surge);
}

.page-contact .ct-order__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-order__item strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .ct-window__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.page-contact .ct-stat {
  padding: 1rem 0.9rem;
  background: var(--charcoal);
  border-top: 2px solid var(--deep-surge);
  border-radius: var(--radius-sm);
}

.page-contact .ct-stat:nth-child(2) {
  border-top-color: var(--surge);
}

.page-contact .ct-stat:nth-child(3) {
  border-top-color: var(--lava);
}

.page-contact .ct-stat:nth-child(4) {
  border-top-color: var(--loess);
}

.page-contact .ct-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4.6vw, 1.375rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-stat__label {
  margin: 0.45rem 0 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 纠错三步 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-fix__step {
  padding: 1.2rem 1.1rem;
  background: var(--charcoal);
  border-radius: var(--radius-sm);
  border-bottom: 3px solid var(--brick);
}

.page-contact .ct-fix__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--brick);
}

.page-contact .ct-fix__step h3 {
  margin: 0.55rem 0 0;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-fix__step p:last-child {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-fix__note {
  margin-top: 1.4rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--deep-surge);
}

.page-contact .ct-fix__note p {
  margin: 0 0 0.85rem;
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 地址反色块 ---------- */
.page-contact .ct-place .shell {
  max-width: min(var(--shell), 100%);
}

.page-contact .ct-place__block {
  padding: 1.75rem 1.25rem 2rem;
  color: var(--ink);
  background:
    repeating-linear-gradient(135deg, rgba(22, 24, 26, 0.08) 0 2px, transparent 2px 12px),
    var(--loess);
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-contact .ct-sec__head--dark .ct-sec__title {
  color: var(--ink);
}

.page-contact .ct-sec__head--dark .ct-sec__num {
  color: var(--loess);
  background: var(--ink);
}

.page-contact .ct-place__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: rgba(22, 24, 26, 0.65);
}

.page-contact .ct-place__addr {
  margin: 0.5rem 0 0;
  max-width: 26ch;
  font-size: clamp(1.05rem, 4.4vw, 1.4rem);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .ct-place__body {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(22, 24, 26, 0.82);
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-coop__card {
  padding: 1.25rem 1.1rem;
  background: var(--charcoal);
  border-radius: var(--radius-sm);
  border-top: 2px solid var(--deep-surge);
}

.page-contact .ct-coop__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--loess);
}

.page-contact .ct-coop__card h3 {
  margin: 0.55rem 0 0;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-coop__card p:last-child {
  margin: 0.55rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-coop__foot {
  margin: 1.3rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--ct-hair);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--eave);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  display: grid;
  gap: 0.7rem;
}

.page-contact .ct-faq__item {
  background: var(--charcoal);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--eave);
}

.page-contact .ct-faq__item[open] {
  border-left-color: var(--surge);
}

.page-contact .ct-faq__item summary {
  padding: 1rem 1.1rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-faq__item summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--surge);
}

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

.page-contact .ct-faq__body {
  padding: 0 1.1rem 1.1rem;
}

.page-contact .ct-faq__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-faq__links {
  margin: 1.4rem 0 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-window__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-fix__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-quick__val {
    font-size: 1.0625rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding-block: calc(var(--header-h) + 4rem) 4.5rem;
  }

  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
  }

  .page-contact .ct-hero__img {
    aspect-ratio: 4 / 3;
    clip-path: polygon(6% 0, 100% 0, 100% 92%, 0 100%);
  }

  .page-contact .ct-sec {
    padding-block: 4.5rem;
  }

  .page-contact .ct-sec__head {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    column-gap: 1.5rem;
    align-items: start;
    margin-bottom: 2.4rem;
  }

  .page-contact .ct-sec__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin-bottom: 0;
    padding: 0.25rem 0;
    width: 100%;
    text-align: center;
  }

  .page-contact .ct-sec__title {
    grid-column: 2;
    grid-row: 1;
    max-width: 24ch;
  }

  .page-contact .ct-sec__note {
    grid-column: 2;
    grid-row: 2;
    max-width: 54ch;
  }

  .page-contact .ct-channels {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 1.25rem;
  }

  .page-contact .ct-ch {
    padding: 1.6rem 1.4rem 1.7rem;
  }

  .page-contact .ct-ch--phone {
    margin-top: 1.5rem;
  }

  .page-contact .ct-mail__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-mail__media {
    margin-top: 3.2rem;
  }

  .page-contact .ct-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .ct-window__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-window__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
  }

  .page-contact .ct-place__block {
    padding: 2.5rem 3rem 3rem;
    margin-left: 8%;
  }

  .page-contact .ct-faq__list {
    max-width: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-btn {
    transition: none;
  }
}