.page-contact {
  --ct-block-gap: clamp(44px, 7vw, 88px);
  padding-block: clamp(14px, 2.5vw, 26px) clamp(56px, 9vw, 112px);
}

.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-contact .ct-inline-link {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .ct-inline-link:hover {
  color: var(--c-orange);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-hero h1 {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-contact .ct-lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--c-text);
  opacity: 0.84;
}

.page-contact .ct-hero-actions {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero-side {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  padding-left: clamp(24px, 3vw, 32px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(180deg, var(--c-line) 0 1px, transparent 1px 11px) left clamp(18px, 2.6vw, 26px) / 9px calc(100% - 52px) no-repeat,
    var(--c-bg-deep);
}

.page-contact .ct-clock {
  margin: 12px 0 0;
  font-family: var(--f-mono);
  font-size: clamp(20px, 3.4vw, 27px);
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-contact .ct-clock .num {
  color: var(--c-cyan);
}

.page-contact .ct-side-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .ct-side-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
  padding-bottom: 2px;
}

.page-contact .ct-side-link:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

/* ---------- 区块骨架 ---------- */
.page-contact .ct-block {
  padding-top: var(--ct-block-gap);
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-chan-list {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-chan {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(43, 232, 200, 0.05), rgba(43, 232, 200, 0) 40%),
    var(--c-bg-deep);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .ct-chan:hover,
.page-contact .ct-chan:focus-within {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-chan-title {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-contact .ct-chan-key {
  margin: 10px 0 0;
  font-family: var(--f-mono);
  font-size: clamp(15px, 1.9vw, 17px);
  letter-spacing: 0.02em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-contact .ct-chan-body {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-muted);
}

.page-contact .ct-chan-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-chan-tags li {
  padding: 4px 11px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-text);
  opacity: 0.78;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.page-contact .ct-chan:hover .ct-chan-tags li,
.page-contact .ct-chan:focus-within .ct-chan-tags li {
  opacity: 1;
  border-color: var(--c-cyan-deep);
}

.page-contact .ct-chan-time {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.07em;
  color: var(--c-orange);
}

@media (min-width: 880px) {
  .page-contact .ct-chan-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.2vw, 26px);
    align-items: start;
  }

  .page-contact .ct-chan:nth-child(2) {
    margin-top: 32px;
  }

  .page-contact .ct-chan:nth-child(3) {
    margin-top: 64px;
  }
}

/* ---------- 留言步骤 ---------- */
.page-contact .ct-msg-grid {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
}

.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-step-no {
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-contact .ct-step h3 {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-text);
}

.page-contact .ct-step p {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

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

.page-contact .ct-msg-figure .media-frame {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-msg-figure .media-cap {
  display: block;
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

@media (min-width: 880px) {
  .page-contact .ct-msg-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-msg-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop-grid {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-coop {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    linear-gradient(205deg, rgba(110, 91, 255, 0.09), rgba(110, 91, 255, 0) 48%),
    var(--c-bg-deep);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-coop:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan-deep);
}

.page-contact .ct-coop h3 {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 23px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-contact .ct-coop > p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-muted);
}

.page-contact .ct-checklist {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-text);
  opacity: 0.86;
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--c-cyan);
}

.page-contact .ct-coop-foot {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-cyan-deep);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

@media (min-width: 880px) {
  .page-contact .ct-coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(16px, 2.2vw, 28px);
  }
}

/* ---------- 地址与归属 ---------- */
.page-contact .ct-reach {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-deep);
}

.page-contact .ct-reach-info {
  padding: clamp(22px, 3vw, 36px);
  padding-left: clamp(30px, 4.4vw, 52px);
  position: relative;
}

.page-contact .ct-reach-info::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 3vw, 36px);
  bottom: clamp(22px, 3vw, 36px);
  width: 10px;
  background-image: repeating-linear-gradient(180deg, var(--c-line) 0 1px, transparent 1px 12px);
  opacity: 0.95;
}

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

.page-contact .ct-fact {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-fact:first-child {
  padding-top: 0;
}

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

.page-contact .ct-fact dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .ct-fact dd {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-fact-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .ct-reach-media {
  position: relative;
  margin: 0;
  min-height: 240px;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg);
}

.page-contact .ct-reach-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .ct-reach-media .media-cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 9px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  background: rgba(3, 17, 14, 0.76);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-text);
}

@media (min-width: 880px) {
  .page-contact .ct-reach {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-reach-media {
    border-top: 0;
    border-left: 1px solid var(--c-line);
    min-height: 320px;
  }
}

/* ---------- 回复时效 ---------- */
.page-contact .ct-timing {
  margin-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-timing-row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-timing-key {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
}

.page-contact .ct-timing-value {
  font-family: var(--f-mono);
  font-size: clamp(18px, 2.3vw, 23px);
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-contact .ct-timing-meta {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

@media (min-width: 760px) {
  .page-contact .ct-timing-row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr) minmax(0, 7fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan,
  .page-contact .ct-coop,
  .page-contact .ct-chan-tags li {
    transition: none;
  }
}