.page-contact {
  background: var(--ink-900);
  color: var(--frost);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

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

.page-contact .eyebrow {
  color: var(--matrix);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.55rem 0 1rem;
  color: var(--frost);
}

.page-contact .ct-top {
  padding-top: calc(var(--header-h) + clamp(1rem, 3.5vw, 2.25rem));
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 首屏 ---------- */
.ct-intro {
  display: grid;
  gap: 1.75rem;
}

.ct-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 8vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0.4rem 0 0.9rem;
}

.ct-lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--frost);
  max-width: 60ch;
}

.ct-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--edge) solid var(--line);
}

.ct-facts li {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.ct-facts__k {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--matrix);
}

.ct-facts__v {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--steel);
}

@media (min-width: 900px) {
  .ct-intro {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 3rem;
    align-items: end;
  }
}

/* ---------- 渠道面板 ---------- */
.ct-channels {
  position: relative;
  padding: clamp(2.25rem, 6vw, 3.75rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  overflow: hidden;
}

.ct-channels__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ct-channels__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, rgba(10, 23, 39, 0.55) 35%, var(--ink-900) 100%);
}

.ct-channels__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.ct-channels .u-shell {
  position: relative;
  z-index: 1;
}

.ct-panels {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.ct-panel {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--ink-800);
  border: var(--edge) solid rgba(147, 163, 181, 0.3);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.ct-panel:hover,
.ct-panel:focus-within {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink-900);
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.45);
}

.ct-panel__rail {
  margin: 0;
  font-family: var(--font-label);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--matrix);
}

.ct-panel:hover .ct-panel__rail,
.ct-panel:focus-within .ct-panel__rail {
  color: var(--ink-700);
}

.ct-panel__value {
  margin: 0.15rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4vw, 1.28rem);
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: var(--frost);
}

.ct-panel__value--addr {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 4.4vw, 1.42rem);
  line-height: 1.45;
}

.ct-panel:hover .ct-panel__value,
.ct-panel:focus-within .ct-panel__value {
  color: var(--ink-900);
}

.ct-panel__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--steel);
}

.ct-panel:hover .ct-panel__desc,
.ct-panel:focus-within .ct-panel__desc {
  color: var(--ink-700);
}

.ct-copy {
  align-self: flex-start;
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
  padding: 0.45rem 0.75rem;
  background: transparent;
  border: var(--edge) solid var(--matrix);
  color: var(--matrix);
  font-family: var(--font-label);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.ct-copy:hover {
  background: var(--matrix);
  color: var(--ink-900);
}

.ct-copy__hint {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: none;
  opacity: 0.8;
}

.ct-copy[data-copied="true"] {
  background: var(--flare);
  border-color: var(--flare);
  color: var(--ink-900);
}

.ct-panel:hover .ct-copy,
.ct-panel:focus-within .ct-copy {
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.ct-panel:hover .ct-copy:hover,
.ct-panel:focus-within .ct-copy:hover {
  background: var(--ink-900);
  color: var(--paper);
}

.ct-panel:hover .ct-copy[data-copied="true"],
.ct-panel:focus-within .ct-copy[data-copied="true"] {
  background: var(--flare);
  border-color: var(--flare);
  color: var(--ink-900);
}

@media (min-width: 900px) {
  .ct-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: start;
    margin-top: 2rem;
  }

  .ct-panel:nth-child(2) {
    margin-top: 40px;
  }

  .ct-panel:nth-child(3) {
    margin-top: 80px;
  }
}

/* ---------- 数据修正 ---------- */
.ct-fix {
  padding: clamp(2.25rem, 6vw, 3.75rem) 0;
}

.ct-fix__inner {
  counter-reset: prep;
}

.ct-fix__head {
  max-width: 62ch;
}

.ct-fix__lead {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--steel);
}

.ct-fix__grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.prep-item {
  background: var(--ink-800);
  border: var(--edge) solid rgba(147, 163, 181, 0.28);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.prep-item:has(.prep-check:checked) {
  border-color: var(--matrix);
  background: var(--ink-700);
}

.prep-label {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 1rem;
  cursor: pointer;
}

.prep-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .prep-check:checked {
  counter-increment: prep;
}

.prep-box {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border: var(--edge) solid var(--steel);
  background: transparent;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.prep-box::after {
  content: "";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-label);
  font-size: 0.85rem;
  line-height: 1;
  color: var(--ink-900);
  opacity: 0;
  transition: opacity 0.16s var(--ease);
}

.prep-check:checked + .prep-box {
  background: var(--matrix);
  border-color: var(--matrix);
}

.prep-check:checked + .prep-box::after {
  content: "✓";
  opacity: 1;
}

.prep-check:focus-visible + .prep-box {
  outline: 2px solid var(--flare);
  outline-offset: 3px;
}

.prep-body {
  display: block;
}

.prep-title {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-label);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--frost);
  transition: color 0.16s var(--ease);
}

.prep-check:checked ~ .prep-body .prep-title {
  color: var(--matrix);
}

.prep-ord {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--flare);
  letter-spacing: 0.02em;
}

.prep-desc {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--steel);
}

.ct-figure {
  border: var(--edge) solid var(--line);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.ct-figure .media-frame__inner img {
  width: 100%;
  object-fit: cover;
}

.prep-tally {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  font-family: var(--font-label);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.prep-tally__num::after {
  content: counter(prep);
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: 0;
  color: var(--matrix);
}

.prep-tally__unit {
  text-transform: none;
  letter-spacing: 0.02em;
  font-family: var(--font-body);
  font-size: 0.8rem;
}

@media (min-width: 900px) {
  .ct-fix__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 2rem;
  }
}

/* ---------- 回信节奏 ---------- */
.ct-rhythm {
  padding: clamp(2rem, 5.5vw, 3.25rem) 0;
}

.ct-steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  border-top: var(--edge) solid var(--line);
}

.ct-step {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.ct-step__t {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--amber);
  letter-spacing: 0.01em;
}

.ct-step__d {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--steel);
}

@media (min-width: 760px) {
  .ct-step {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: 1.75rem;
    align-items: baseline;
  }
}

/* ---------- 两类来信 ---------- */
.ct-split {
  padding: clamp(2rem, 5.5vw, 3.25rem) 0;
}

.ct-split__grid {
  display: grid;
  gap: 1.1rem;
  margin-top: 0.5rem;
}

.ct-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  padding: clamp(1.15rem, 3.2vw, 1.7rem);
  background: var(--paper);
  color: var(--ink-900);
  border: var(--edge) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
}

.ct-card--alt {
  background: var(--paper-dim);
}

.ct-card__tag {
  margin: 0;
}

.ct-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--ink-900);
}

.ct-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.ct-card__link {
  margin-top: 0.35rem;
  font-family: var(--font-label);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--flare);
  padding-bottom: 2px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.ct-card__link:hover {
  background: var(--ink-900);
  color: var(--paper);
  border-color: var(--ink-900);
}

@media (min-width: 800px) {
  .ct-split__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

/* ---------- 到访 ---------- */
.ct-visit {
  background: var(--ink-800);
  border-top: var(--edge) solid var(--matrix);
  border-bottom: var(--edge) solid var(--line);
  padding: clamp(2rem, 5.5vw, 3.25rem) 0;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.ct-visit__inner {
  display: grid;
  gap: 1.75rem;
}

.ct-visit__addr {
  margin: 0.25rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.6vw, 1.85rem);
  line-height: 1.4;
  color: var(--frost);
}

.ct-visit__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--steel);
  max-width: 56ch;
}

.ct-visit__meta {
  border-left: var(--edge) solid rgba(33, 212, 180, 0.5);
  padding-left: 1rem;
}

.ct-visit__meta-k {
  margin: 0;
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--matrix);
}

.ct-visit__meta-v {
  margin: 0.2rem 0 0.85rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--frost);
}

.ct-visit__meta-v:last-child {
  margin-bottom: 0;
}

@media (min-width: 880px) {
  .ct-visit__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
    gap: 3rem;
    align-items: start;
  }
}

/* ---------- 内部入口 ---------- */
.ct-next {
  padding: clamp(2rem, 5.5vw, 3.25rem) 0 0;
}

.ct-links {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.ct-link {
  display: block;
  padding: 0.95rem 1rem;
  border: var(--edge) solid var(--line);
  color: var(--frost);
  text-decoration: none;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease), transform 0.16s var(--ease);
}

.ct-link:hover {
  border-color: var(--matrix);
  background: rgba(33, 212, 180, 0.08);
  transform: translate(-2px, -2px);
}

.ct-link__t {
  display: block;
  font-family: var(--font-label);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--matrix);
}

.ct-link__d {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--steel);
}

@media (min-width: 800px) {
  .ct-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}