.page-contact {
  --ct-card-pad: 20px;
  --ct-seg-ink: #06121f;
}

/* ---------- 页首 ---------- */
.page-contact .ct-hero {
  padding: 26px 0 0;
}
.page-contact .ct-hero__grid {
  display: grid;
  gap: 26px;
  align-items: end;
}
.page-contact .ct-hero__intro {
  max-width: 40ch;
}
.page-contact .ct-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text-high);
}
.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--text-mid);
}
.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--bg-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  box-shadow: 0 18px 44px -22px var(--violet-deep);
}
.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .82;
}
.page-contact .rule-diagonal {
  margin-top: 34px;
}

/* ---------- 联络渠道 + 写邮件 ---------- */
.page-contact .ct-channels {
  padding: 44px 0 8px;
}
.page-contact .ct-channels__grid {
  display: grid;
  gap: 34px;
}
.page-contact .ct-cards {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-card {
  position: relative;
  padding: var(--ct-card-pad) 22px 18px;
  background: linear-gradient(158deg, var(--bg-panel-raise) 0%, var(--bg-panel) 78%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .ct-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--cyan-neon);
}
.page-contact .ct-card:hover {
  box-shadow: inset 0 0 0 1px var(--violet-core), 0 16px 34px -24px var(--violet-deep);
  transform: translateX(4px);
}
.page-contact .ct-card--addr::after {
  background: var(--violet-soft);
}
.page-contact .ct-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-low);
}
.page-contact .ct-card__value {
  display: block;
  margin: 10px 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 30px);
  line-height: 1.28;
  letter-spacing: .005em;
  color: var(--text-high);
  text-decoration: none;
  word-break: break-all;
  background-image: linear-gradient(var(--cyan-neon), var(--cyan-neon));
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  transition: background-size var(--dur-slow) var(--ease), color var(--dur) var(--ease);
}
.page-contact .ct-card__value:hover,
.page-contact .ct-card__value:focus-visible {
  background-size: 100% 2px;
  color: var(--cyan-neon);
}
.page-contact .ct-card__value--addr {
  font-size: 17px;
  line-height: 1.7;
  font-weight: 500;
  color: var(--text-mid);
  word-break: break-word;
}
.page-contact .ct-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-low);
}

/* 写邮件面板 */
.page-contact .ct-advice {
  padding: 24px 22px 22px;
}
.page-contact .ct-advice__lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-mid);
}
.page-contact .ct-checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}
.page-contact .ct-checklist li {
  position: relative;
  padding-left: 18px;
  display: grid;
  gap: 3px;
}
.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--cyan-neon);
  transform: rotate(45deg);
}
.page-contact .ct-checklist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet-soft);
}
.page-contact .ct-checklist__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
}
.page-contact .ct-advice__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-hair);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-mid);
}

/* 回复时段 */
.page-contact .ct-hours {
  margin-top: 16px;
  padding: 20px 22px 22px;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--notch) 100%, 0 calc(100% - var(--notch)));
  background-image: repeating-linear-gradient(104deg, transparent 0 14px, var(--line-soft) 14px 15px);
  background-size: 100% 100%;
}
.page-contact .ct-hours__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-low);
}
.page-contact .ct-hours__line {
  margin: 8px 0 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 40px);
  color: var(--cyan-neon);
  letter-spacing: .02em;
}
.page-contact .ct-hours__dash {
  font-size: 20px;
  color: var(--text-low);
}
.page-contact .ct-hours__note {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-mid);
}
.page-contact .ct-hours__note:last-child {
  margin-bottom: 0;
}

/* ---------- 对接类型 ---------- */
.page-contact .ct-routes {
  padding: 52px 0 12px;
}
.page-contact .ct-seg {
  position: relative;
  margin-top: 24px;
}
.page-contact .ct-seg__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.page-contact .ct-seg__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(var(--notch) 0, 100% 0, 100% 100%, 0 100%, 0 var(--notch));
}
.page-contact .ct-seg__tab {
  flex: 1 1 130px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--text-mid);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .ct-seg__tab:hover {
  color: var(--text-high);
  background: var(--bg-panel-raise);
}
.page-contact #ct-dock-1:checked ~ .ct-seg__bar [for="ct-dock-1"],
.page-contact #ct-dock-2:checked ~ .ct-seg__bar [for="ct-dock-2"],
.page-contact #ct-dock-3:checked ~ .ct-seg__bar [for="ct-dock-3"] {
  background: var(--cyan-neon);
  color: var(--ct-seg-ink);
  box-shadow: 0 0 24px -6px var(--cyan-neon);
}
.page-contact #ct-dock-1:focus-visible ~ .ct-seg__bar [for="ct-dock-1"],
.page-contact #ct-dock-2:focus-visible ~ .ct-seg__bar [for="ct-dock-2"],
.page-contact #ct-dock-3:focus-visible ~ .ct-seg__bar [for="ct-dock-3"] {
  outline: 2px solid var(--cyan-neon);
  outline-offset: -3px;
}

.page-contact .ct-seg__panel {
  display: none;
}
.page-contact #ct-dock-1:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(1),
.page-contact #ct-dock-2:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(2),
.page-contact #ct-dock-3:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(3) {
  display: block;
  animation: ct-panel-in var(--dur) var(--ease) both;
}
@keyframes ct-panel-in {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.page-contact .ct-seg__panel {
  max-width: 62ch;
  padding: 26px 0 4px;
}
.page-contact .ct-seg__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--text-high);
}
.page-contact .ct-seg__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-mid);
}
.page-contact .ct-seg__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .ct-seg__list li {
  position: relative;
  padding: 10px 14px 10px 30px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-contact .ct-seg__list li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 18px;
  width: 6px;
  height: 6px;
  background: var(--violet-soft);
  transform: rotate(45deg);
}
.page-contact .ct-seg__aside {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber-warm);
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-low);
}
.page-contact .ct-routes__figure {
  margin: 26px 0 0;
}
.page-contact .ct-routes__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .ct-routes__figure .media-frame__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-low);
}

/* ---------- 站点信息 ---------- */
.page-contact .ct-site {
  padding: 50px 0 20px;
}
.page-contact .ct-site__grid {
  display: grid;
  gap: 28px;
  padding: 28px 22px;
  background: linear-gradient(150deg, var(--bg-panel-raise) 0%, var(--bg-panel) 62%);
  box-shadow: inset 0 0 0 1px var(--line-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-contact .ct-site__text {
  margin: 12px 0 20px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-mid);
}
.page-contact .ct-site__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-site__facts {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}
.page-contact .ct-site__fact {
  padding: 14px 16px;
  background: var(--bg-base);
}
.page-contact .ct-site__fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-low);
}
.page-contact .ct-site__fact dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-high);
}
.page-contact .ct-site__fact dd.num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .01em;
  word-break: break-all;
}

/* 延伸入口 */
.page-contact .ct-next {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}
.page-contact .ct-next__item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  text-decoration: none;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .ct-next__item:hover,
.page-contact .ct-next__item:focus-visible {
  background: var(--bg-panel-raise);
  transform: translateY(-3px);
}
.page-contact .ct-next__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-neon);
}
.page-contact .ct-next__v {
  font-size: 15px;
  line-height: 1.68;
  color: var(--text-mid);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-hero {
    padding-top: 34px;
  }
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .ct-seg__panel {
    padding-top: 30px;
  }
  .page-contact .ct-site__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    padding: 36px 32px;
  }
  .page-contact .ct-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-routes__figure {
    margin-top: 34px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-card {
    --ct-card-pad: 24px;
  }
  .page-contact .ct-advice {
    padding: 28px 26px 26px;
  }
  .page-contact .ct-hours {
    padding: 24px 26px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card:hover,
  .page-contact .ct-next__item:hover,
  .page-contact .ct-next__item:focus-visible {
    transform: none;
  }
  .page-contact #ct-dock-1:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(1),
  .page-contact #ct-dock-2:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(2),
  .page-contact #ct-dock-3:checked ~ .ct-seg__panels > .ct-seg__panel:nth-child(3) {
    animation: none;
  }
}