.page-contact {
  background: var(--ink);
  color: var(--bone);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-contact .breadcrumbs a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 26px 0 52px;
  border-bottom: var(--rule-hair);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .ct-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .ct-bigblocks {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .ct-big {
  padding: 18px 18px 20px;
  border: 3px solid var(--brown);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .ct-big--tel {
  background: var(--ink-soft);
  color: var(--cyan);
  border-color: var(--brown);
}

.page-contact .ct-big-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  opacity: 0.75;
}

.page-contact .ct-big-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  word-break: break-all;
}

.page-contact .ct-big--mail .ct-big-value {
  font-size: clamp(17px, 4.6vw, 32px);
  border-bottom: 4px solid var(--orange);
  padding-bottom: 6px;
}

.page-contact .ct-big--tel .ct-big-value {
  font-size: clamp(30px, 8.4vw, 62px);
  border-bottom: 4px solid var(--cyan);
  padding-bottom: 4px;
  display: inline-block;
}

.page-contact .ct-big-note {
  display: block;
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  opacity: 0.8;
}

.page-contact .ct-hero-figure {
  margin: 0;
  border: var(--rule);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink-deep);
}

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

/* ---------- 通用章节头 ---------- */
.page-contact .ct-head {
  max-width: 44em;
}

.page-contact .ct-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .ct-head-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  padding: 56px 0;
}

.page-contact .ct-channels-grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-contact .ct-channel {
  padding: 22px 20px 24px;
  background: var(--ink-soft);
  border: 2px solid var(--brown);
  color: var(--bone);
}

.page-contact .ct-channel--main {
  background: var(--cream);
  border: 4px solid var(--cyan);
  color: var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  padding: 5px 9px;
  background: var(--brown);
  color: var(--amber);
}

.page-contact .ct-channel--main .ct-tag {
  background: var(--ink);
  color: var(--cyan);
}

.page-contact .ct-channel h3 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .ct-channel p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .ct-channel--main p {
  color: #3B302A;
}

.page-contact .ct-channel .ct-channel-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  word-break: break-all;
  padding-top: 10px;
  border-top: var(--rule-hair);
  color: var(--bone);
}

.page-contact .ct-channel--main .ct-channel-meta {
  border-top-color: rgba(42, 31, 26, 0.25);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 写信准备 ---------- */
.page-contact .ct-prepare {
  padding: 56px 0;
  background: var(--ink-soft);
  border-top: var(--rule-hair);
  border-bottom: var(--rule-hair);
}

.page-contact .ct-prepare-grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-prepare-head p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .ct-prepare-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

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

.page-contact .ct-prepare-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: var(--rule-hair);
}

.page-contact .ct-prepare-item:last-child {
  border-bottom: var(--rule-hair);
}

.page-contact .ct-prepare-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.03em;
}

.page-contact .ct-prepare-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .ct-prepare-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-process {
  padding: 56px 0;
}

.page-contact .ct-flow {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-flow-step {
  padding: 22px 0;
  border-top: var(--rule-hair);
  display: grid;
  gap: 8px;
}

.page-contact .ct-flow-step:first-child {
  border-top: 3px solid var(--cyan);
}

.page-contact .ct-flow-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-flow-step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .ct-flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .ct-flow-note {
  margin: 30px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone);
  padding: 14px 16px;
  border-left: 4px solid var(--orange);
  background: rgba(255, 107, 53, 0.07);
}

.page-contact .ct-flow-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-contact .ct-flow-note a:hover,
.page-contact .ct-flow-note a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-band {
  background: var(--ink-soft);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-contact .ct-band-grid {
  display: grid;
  gap: 0;
}

.page-contact .ct-band-figure {
  margin: 0;
  overflow: hidden;
  border-bottom: var(--rule-hair);
}

.page-contact .ct-band-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.7);
}

.page-contact .ct-band-info {
  padding: 28px 0 32px;
}

.page-contact .ct-band-info h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 36px);
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .ct-band-list {
  margin: 0;
  display: grid;
}

.page-contact .ct-band-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid rgba(217, 211, 198, 0.18);
}

.page-contact .ct-band-row:last-child {
  border-bottom: 1px solid rgba(217, 211, 198, 0.18);
}

.page-contact .ct-band-row dt {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--sage);
  padding-top: 3px;
}

.page-contact .ct-band-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  color: var(--cream);
  word-break: break-all;
}

.page-contact .ct-band-more {
  margin-top: 20px;
  border: 2px solid var(--brown);
  background: var(--ink);
}

.page-contact .ct-band-more summary {
  cursor: pointer;
  padding: 13px 16px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  list-style: none;
}

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

.page-contact .ct-band-more summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .ct-band-more[open] summary::before {
  content: "−";
}

.page-contact .ct-band-more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .ct-band-more p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-outro {
  padding: 52px 0 64px;
}

.page-contact .ct-outro-inner {
  display: grid;
  gap: 24px;
}

.page-contact .ct-outro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .ct-outro p {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sage);
}

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

.page-contact .ct-outro-actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-hero {
    padding: 34px 0 64px;
  }

  .page-contact .ct-channels,
  .page-contact .ct-prepare,
  .page-contact .ct-process {
    padding: 72px 0;
  }

  .page-contact .ct-prepare-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    border-top: 3px solid var(--cyan);
  }

  .page-contact .ct-flow-step {
    border-top: none;
    padding: 24px 0 0;
  }

  .page-contact .ct-flow-step:first-child {
    border-top: none;
  }

  .page-contact .ct-band-grid {
    grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .ct-band-figure {
    border-bottom: none;
    border-right: var(--rule-hair);
  }

  .page-contact .ct-band-figure img {
    height: 100%;
  }

  .page-contact .ct-band-info {
    padding: 40px 0 44px 36px;
  }

  .page-contact .ct-outro-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    align-items: end;
    gap: 40px;
  }

  .page-contact .ct-hero-figure {
    transform: rotate(-2deg);
    transform-origin: bottom left;
  }

  .page-contact .ct-bigblocks {
    grid-template-columns: minmax(0, 1fr);
    max-width: 620px;
  }

  .page-contact .ct-channels-grid {
    grid-template-columns: 1.16fr 0.92fr 1fr;
    align-items: start;
    gap: 22px;
  }

  .page-contact .ct-channels-grid > .ct-channel:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .ct-channels-grid > .ct-channel:nth-child(3) {
    margin-top: 12px;
  }

  .page-contact .ct-prepare-item {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 0;
  }

  .page-contact .ct-prepare-num {
    font-size: 34px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero h1 {
    max-width: 15em;
  }

  .page-contact .ct-band-info h2 {
    margin-bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero-figure {
    transform: none;
  }
}