.page-contact {
  --glow-amber: 0 0 0 1px rgba(255, 138, 61, .45), 0 0 20px rgba(255, 138, 61, .16);
  padding-bottom: 72px;
}

/* ---------- 页头 ---------- */
.page-contact .ct-head {
  padding-top: 26px;
}

.page-contact .ct-head-grid {
  display: grid;
  gap: 18px;
  padding: 22px 0 44px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: .05em;
}

.page-contact .ct-head-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .ct-head-copy .lede {
  margin: 0;
  max-width: 38ch;
  color: rgba(236, 233, 226, .78);
}

.page-contact .ct-head-hint {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sand);
}

/* ---------- 通用区块标题 ---------- */
.page-contact .ct-block-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 62ch;
}

.page-contact .ct-block-head .lede {
  margin: 0;
  color: rgba(236, 233, 226, .74);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-directions {
  padding-top: 56px;
}

.page-contact .ct-dir-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .ct-dir {
  position: relative;
  padding: 24px 20px 24px;
  background: linear-gradient(180deg, var(--panel), var(--ink-deep));
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .ct-dir p {
  margin: 0;
  color: rgba(236, 233, 226, .76);
}

.page-contact .ct-dir-index {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sand);
}

.page-contact .ct-dir .title-3 {
  margin: 0 0 10px;
}

.page-contact .ct-dir-desc {
  color: rgba(236, 233, 226, .84);
}

.page-contact .ct-dir-label {
  margin: 18px 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .ct-dir--cyan:hover,
.page-contact .ct-dir--cyan:focus-within {
  border-color: rgba(43, 230, 200, .32);
  border-top-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-contact .ct-dir--magenta:hover,
.page-contact .ct-dir--magenta:focus-within {
  border-color: rgba(255, 61, 154, .32);
  border-top-color: var(--magenta);
  box-shadow: var(--glow-magenta);
}

.page-contact .ct-dir--amber:hover,
.page-contact .ct-dir--amber:focus-within {
  border-color: rgba(255, 138, 61, .32);
  border-top-color: var(--amber);
  box-shadow: var(--glow-amber);
}

/* ---------- 渠道 + 地址 双栏 ---------- */
.page-contact .ct-routes {
  padding-top: 64px;
}

.page-contact .ct-routes-grid {
  display: grid;
  gap: 34px;
}

.page-contact .ct-routes-main {
  display: flex;
  flex-direction: column;
}

.page-contact .ct-visual {
  margin: 26px 0 0;
  border: 1px solid var(--line);
}

.page-contact .ct-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-contact .ct-channels {
  margin-top: 22px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 22px 20px 24px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .ct-channel p {
  margin: 0;
  color: rgba(236, 233, 226, .76);
}

.page-contact .ct-channel-tag {
  font-size: 11px;
  letter-spacing: .18em;
}

.page-contact .ct-channel .title-3 {
  margin: 8px 0 10px;
}

.page-contact .ct-channel-desc {
  max-width: 42ch;
}

.page-contact .ct-contact-value {
  margin-top: 16px;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-contact-value--mail {
  color: var(--magenta);
}

.page-contact .ct-channel-hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--stone);
}

.page-contact .ct-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-meta > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-meta dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-contact .ct-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--sand);
}

.page-contact .ct-channel-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 10px;
}

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

.page-contact .ct-channel--magenta .ct-channel-tag {
  color: var(--magenta);
}

.page-contact .ct-channel--amber .ct-channel-tag {
  color: var(--amber);
}

.page-contact .ct-channel--cyan:hover,
.page-contact .ct-channel--cyan:focus-within {
  border-color: rgba(43, 230, 200, .34);
  border-left-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-contact .ct-channel--magenta:hover,
.page-contact .ct-channel--magenta:focus-within {
  border-color: rgba(255, 61, 154, .34);
  border-left-color: var(--magenta);
  box-shadow: var(--glow-magenta);
}

.page-contact .ct-channel--amber:hover,
.page-contact .ct-channel--amber:focus-within {
  border-color: rgba(255, 138, 61, .34);
  border-left-color: var(--amber);
  box-shadow: var(--glow-amber);
}

/* ---------- 地址区 ---------- */
.page-contact .ct-routes-side {
  position: relative;
  padding: 28px 20px 26px;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(43, 230, 200, .10), transparent 62%),
    linear-gradient(rgba(124, 132, 150, .10) 1px, transparent 1px) 0 0 / 100% 46px,
    linear-gradient(90deg, rgba(124, 132, 150, .10) 1px, transparent 1px) 0 0 / 46px 100%,
    var(--ink-deep);
  border: 1px solid var(--line);
}

.page-contact .ct-routes-side::before {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  pointer-events: none;
}

.page-contact .ct-side-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}

.page-contact .ct-side-head .title-2 {
  margin: 0;
  font-size: clamp(22px, 4.6vw, 30px);
}

.page-contact .ct-addr-line {
  margin: 0;
  font-size: clamp(17px, 4.4vw, 21px);
  line-height: 1.55;
  letter-spacing: .02em;
  color: var(--paper);
  border-left: 2px solid var(--sand);
  padding-left: 14px;
}

.page-contact .ct-addr-note {
  margin: 18px 0 0;
  color: rgba(236, 233, 226, .74);
}

.page-contact .ct-addr-media {
  margin: 22px 0 0;
  border: 1px solid var(--line);
}

.page-contact .ct-addr-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-side-meta {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-side-meta > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-contact .ct-side-meta dt {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-contact .ct-side-meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

.page-contact .ct-details {
  margin-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--cyan);
}

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

.page-contact .ct-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 17px;
  color: var(--stone);
}

.page-contact .ct-details[open] summary::after {
  content: "–";
  color: var(--cyan);
}

.page-contact .ct-details p {
  margin: 0 0 6px;
  color: rgba(236, 233, 226, .74);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  padding-top: 64px;
}

.page-contact .ct-check {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-check-item {
  position: relative;
  padding: 20px 18px 22px;
  background: rgba(20, 26, 58, .58);
  border: 1px solid var(--line);
}

.page-contact .ct-check-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sand);
}

.page-contact .ct-check-item .title-3 {
  margin: 0 0 8px;
}

.page-contact .ct-check-item p {
  margin: 0;
  color: rgba(236, 233, 226, .74);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-tail-wrap {
  padding-top: 56px;
}

.page-contact .ct-tail {
  display: grid;
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-tail-text {
  margin: 0;
  max-width: 40ch;
  color: rgba(236, 233, 226, .78);
}

.page-contact .ct-tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}

.page-contact .ct-tail-links .link-arrow {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-contact .ct-dir-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-channel {
    padding: 26px 26px 28px 30px;
  }

  .page-contact .ct-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-head-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
    padding: 30px 0 54px;
  }

  .page-contact .ct-h1 {
    font-size: clamp(40px, 5.4vw, 68px);
  }

  .page-contact .ct-routes-side {
    padding: 34px 30px 32px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-routes-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .ct-check {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-routes-side {
    margin-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir,
  .page-contact .ct-channel {
    transition: none;
  }

  .page-contact .ct-dir:hover,
  .page-contact .ct-channel:hover {
    box-shadow: none;
  }
}