.page-contact {
  --ct-line: rgba(124, 135, 152, 0.22);
  --ct-card-bg: linear-gradient(180deg, #141C33 0%, rgba(20, 28, 51, 0.74) 100%);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 78px) 0 clamp(44px, 6.5vw, 92px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 135, 152, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 135, 152, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-contact .ct-hero__slice {
  position: absolute;
  top: -14%;
  right: -12%;
  width: min(620px, 76vw);
  height: min(520px, 68vw);
  pointer-events: none;
  background: linear-gradient(148deg, rgba(53, 224, 224, 0.2), rgba(53, 224, 224, 0.02) 60%, transparent 72%);
  clip-path: polygon(16% 0, 100% 7%, 86% 100%, 0 82%);
}

.page-contact .ct-hero__slice--warm {
  top: auto;
  bottom: -26%;
  right: auto;
  left: -10%;
  width: min(360px, 52vw);
  height: min(290px, 40vw);
  background: linear-gradient(22deg, rgba(255, 122, 61, 0.18), transparent 72%);
  clip-path: polygon(0 12%, 100% 0, 88% 100%, 6% 86%);
}

.page-contact .ct-hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
  align-items: end;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.05rem, 6.2vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--cream);
}

.page-contact .ct-hero__copy .lede {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--sand);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .ct-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-md) var(--r-xs) var(--r-md) var(--r-md);
  background: rgba(20, 28, 51, 0.6);
  overflow: hidden;
}

.page-contact .ct-panel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .ct-panel__row--warm .ct-panel__value {
  color: var(--orange);
}

.page-contact .ct-panel__label {
  font-size: 0.84rem;
  color: var(--stone);
  letter-spacing: 0.02em;
}

.page-contact .ct-panel__value {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--cyan);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* ---------- 通道卡片 ---------- */

.page-contact .ct-channels {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 6.5vw, 92px) 0 clamp(40px, 5.5vw, 72px);
}

.page-contact .ct-channels__bg {
  position: absolute;
  top: 4%;
  right: -18%;
  width: min(760px, 92vw);
  opacity: 0.15;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 40%, transparent 74%);
  mask-image: radial-gradient(ellipse at 50% 50%, #000 40%, transparent 74%);
}

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

.page-contact .ct-channels__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-channels__title {
  margin: 12px 0 0;
  color: var(--cream);
}

.page-contact .ct-channels__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--sand);
  font-size: 1.02rem;
  line-height: 1.75;
}

.page-contact .ct-cards {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 24px;
  background: var(--ct-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md) var(--r-md) var(--r-md) var(--r-xs);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease),
    box-shadow var(--t-mid) var(--ease);
}

.page-contact .ct-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
}

.page-contact .ct-card--lead {
  border-color: rgba(255, 122, 61, 0.5);
  box-shadow: 0 24px 60px -42px rgba(255, 122, 61, 0.9);
}

.page-contact .ct-card--lead::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  right: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 61, 0));
}

.page-contact .ct-card .tag {
  align-self: flex-start;
}

.page-contact .ct-card__title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--cream);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--sand);
}

.page-contact .ct-card__more {
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-contact .ct-card__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-card__points li {
  position: relative;
  padding-left: 15px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .ct-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-dim);
}

.page-contact .ct-card__link {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 61, 0.35);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .ct-card__link:hover,
.page-contact .ct-card__link:focus-visible {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
}

@media (min-width: 820px) and (hover: hover) {
  .page-contact .ct-card__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height var(--t-slow) var(--ease), opacity var(--t-mid) var(--ease),
      padding-top var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
  }

  .page-contact .ct-card:hover .ct-card__more,
  .page-contact .ct-card:focus-within .ct-card__more {
    max-height: 280px;
    opacity: 1;
    padding-top: 12px;
    border-top-color: var(--line-soft);
  }
}

/* ---------- 工单准备 + 办公信息 ---------- */

.page-contact .ct-prep {
  padding: clamp(40px, 6vw, 86px) 0;
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: 40px;
}

.page-contact .ct-prep__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--sand);
  font-size: 1.02rem;
  line-height: 1.78;
}

.page-contact .ct-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-list__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(20, 28, 51, 0.55);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-contact .ct-list__item:hover {
  border-color: var(--line-cyan);
}

.page-contact .ct-list__check {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  position: relative;
  border: 1px solid var(--stone);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .ct-list__check::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  opacity: 0;
  transform: rotate(42deg) scale(0.4);
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .ct-list__check:checked {
  background: var(--moss);
  border-color: var(--moss);
}

.page-contact .ct-list__check:checked::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

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

.page-contact .ct-list__item:has(.ct-list__check:checked) {
  border-left-color: var(--moss);
  background: rgba(111, 162, 135, 0.1);
}

.page-contact .ct-list__body {
  display: grid;
  gap: 3px;
  cursor: pointer;
}

.page-contact .ct-list__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.55;
}

.page-contact .ct-list__hint {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .ct-ready {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.page-contact .ct-ready__todo {
  color: var(--stone);
}

.page-contact .ct-ready__done {
  display: none;
  color: var(--moss);
}

.page-contact .ct-ready__done::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 3px rgba(111, 162, 135, 0.22);
  vertical-align: middle;
}

.page-contact .ct-prep:not(:has(.ct-list__check:not(:checked))) .ct-ready__done {
  display: inline;
}

.page-contact .ct-prep:not(:has(.ct-list__check:not(:checked))) .ct-ready__todo {
  display: none;
}

.page-contact .ct-office {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .ct-office__media {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md) var(--r-xs) var(--r-md) var(--r-md);
  background: var(--ink-3);
}

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

.page-contact .ct-office__card {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs) var(--r-md) var(--r-md) var(--r-md);
  background: rgba(11, 18, 36, 0.6);
}

.page-contact .ct-office__dl {
  margin: 16px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-office__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .ct-office__row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .ct-office__row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--cream);
}

.page-contact .ct-office__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--clay);
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--sand);
}

/* ---------- 服务时段 ---------- */

.page-contact .ct-hours {
  padding: clamp(40px, 6vw, 84px) 0 clamp(46px, 6.5vw, 92px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-hours__head {
  display: grid;
  gap: 18px;
}

.page-contact .ct-hours__head .h2 {
  margin: 12px 0 0;
  color: var(--cream);
}

.page-contact .ct-hours__lede {
  margin: 0;
  max-width: 60ch;
  color: var(--sand);
  font-size: 1rem;
  line-height: 1.78;
}

.page-contact .ct-tl {
  margin-top: 36px;
}

.page-contact .ct-tl__bar {
  display: flex;
  height: 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  background: var(--ink-3);
}

.page-contact .ct-tl__seg {
  display: block;
  height: 100%;
}

.page-contact .ct-tl__seg--calm {
  flex: 0 0 73.33%;
  background: linear-gradient(90deg, rgba(53, 224, 224, 0.24), rgba(53, 224, 224, 0.5));
}

.page-contact .ct-tl__seg--peak {
  flex: 0 0 20%;
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 61, 0.62));
}

.page-contact .ct-tl__seg--tail {
  flex: 1 1 auto;
  background: rgba(124, 135, 152, 0.34);
}

.page-contact .ct-tl__marks {
  position: relative;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  min-height: 52px;
}

.page-contact .ct-tl__marks li {
  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: nowrap;
}

.page-contact .ct-tl__marks li:nth-child(1) {
  left: 0;
  transform: none;
  align-items: flex-start;
}

.page-contact .ct-tl__marks li:nth-child(2) {
  left: 73.33%;
  transform: translateX(-50%);
  align-items: center;
}

.page-contact .ct-tl__marks li:nth-child(3) {
  left: 93.33%;
  transform: translateX(-50%);
  align-items: center;
}

.page-contact .ct-tl__marks li:nth-child(4) {
  left: 100%;
  transform: translateX(-100%);
  align-items: flex-end;
  text-align: right;
}

.page-contact .ct-tl__time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .ct-tl__note {
  font-size: 0.7rem;
  color: var(--stone);
}

/* ---------- 信号收尾 ---------- */

.page-contact .ct-signal {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 6vw, 90px) 0 clamp(52px, 7vw, 104px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-signal__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .ct-signal__rings {
  width: min(230px, 62vw);
  justify-self: center;
}

.page-contact .ct-signal__rings svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-signal__copy .h3 {
  margin: 0;
  font-size: clamp(1.24rem, 3vw, 1.62rem);
  line-height: 1.35;
  color: var(--cream);
}

.page-contact .ct-signal__text {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--sand);
  font-size: 0.98rem;
  line-height: 1.78;
}

.page-contact .ct-signal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-signal__links {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--stone);
}

.page-contact .ct-signal__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 224, 0.3);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .ct-signal__links a:hover,
.page-contact .ct-signal__links a:focus-visible {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-card--lead {
    grid-column: 1 / -1;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .ct-card--lead {
    grid-column: auto;
    margin-top: 44px;
  }

  .page-contact .ct-card:nth-child(2) {
    margin-top: 0;
  }

  .page-contact .ct-card:nth-child(3) {
    margin-top: 76px;
  }
}

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

  .page-contact .ct-hours__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: end;
  }

  .page-contact .ct-signal__inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(30px, 5vw, 72px);
  }

  .page-contact .ct-signal__rings {
    justify-self: start;
    width: min(260px, 22vw);
  }
}

@media (min-width: 980px) {
  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .ct-office {
    margin-top: 56px;
  }
}

@media (max-width: 480px) {
  .page-contact .ct-hero,
  .page-contact .ct-channels,
  .page-contact .ct-signal {
    overflow-x: clip;
  }

  .page-contact .ct-card__title {
    font-size: 1.1rem;
  }

  .page-contact .ct-tl__time {
    font-size: 0.66rem;
  }

  .page-contact .ct-tl__note {
    font-size: 0.62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-card__more,
  .page-contact .ct-list__check,
  .page-contact .ct-list__check::after,
  .page-contact .ct-card__link {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}