.page-contact {
  --ct-soft: rgba(14, 59, 65, .42);
  --ct-gap: clamp(16px, 2.6vw, 28px);
  --ct-ink-72: rgba(234, 242, 255, .74);
  display: block;
  background: linear-gradient(180deg, var(--bo-night) 0%, var(--bo-night) 50%, var(--bo-ink) 100%);
  color: var(--bo-ice);
  font-family: var(--bo-font-body);
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 90px);
}

.page-contact .ct-crumb {
  padding-top: clamp(22px, 3.6vw, 44px);
  font-family: var(--bo-font-display);
  font-size: 13px;
  letter-spacing: .05em;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 4vw, 50px) 0 clamp(50px, 7vw, 90px);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 32%;
  opacity: .45;
}

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10, 22, 40, .62) 0%,
    rgba(10, 22, 40, .86) 56%,
    var(--bo-night) 100%);
}

.page-contact .ct-hero__inner {
  position: relative;
}

.page-contact .ct-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--bo-font-display);
  font-weight: 200;
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  max-width: 22ch;
}

.page-contact .ct-hero__title strong {
  display: block;
  font-weight: 800;
  color: var(--bo-cyan);
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.4vw, 17.5px);
  line-height: 1.85;
  color: var(--ct-ink-72);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: clamp(34px, 5vw, 64px);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 30px);
  background: var(--ct-soft);
  border: 1px solid var(--bo-line);
  border-radius: 26px 6px 26px 6px;
  box-shadow: var(--bo-shadow-hard);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.page-contact .ct-channel:hover {
  transform: translateY(-4px);
  border-color: var(--bo-cyan);
  box-shadow: 0 18px 42px rgba(4, 7, 13, .68);
}

.page-contact .ct-channel__no {
  margin: 0;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bo-cyan);
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--bo-font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  letter-spacing: -0.01em;
}

.page-contact .ct-channel__value {
  margin: 2px 0 0;
  font-family: var(--bo-font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--bo-glow);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__use {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-ink-72);
}

/* ---------- 通用章节标题 ---------- */
.page-contact .ct-section-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .ct-eyebrow {
  margin: 0 0 12px;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--bo-cyan);
}

.page-contact .ct-h2 {
  margin: 0 0 14px;
  font-family: var(--bo-font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 4vw, 2.55rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-contact .ct-h2--dark {
  color: var(--bo-ink);
}

.page-contact .ct-sub {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ct-ink-72);
}

.page-contact .ct-sub--gap {
  margin-top: 12px;
}

/* ---------- 受理范围 ---------- */
.page-contact .ct-scope {
  padding: clamp(46px, 7vw, 92px) 0 clamp(20px, 3vw, 36px);
}

.page-contact .ct-scope__list {
  border-top: 1px solid var(--bo-line-soft);
}

.page-contact .ct-item {
  border-bottom: 1px solid var(--bo-line-soft);
}

.page-contact .ct-item__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(18px, 2.6vw, 26px) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--bo-font-display);
  font-size: clamp(1.02rem, 2.3vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--bo-ice);
  transition: color .22s ease;
}

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

.page-contact .ct-item__head:hover,
.page-contact .ct-item__head:focus-visible {
  color: var(--bo-cyan);
}

.page-contact .ct-item__no {
  flex: 0 0 auto;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bo-coral);
}

.page-contact .ct-item__label {
  flex: 1 1 auto;
}

.page-contact .ct-item__sign {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
  align-self: center;
}

.page-contact .ct-item__sign::before,
.page-contact .ct-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--bo-cyan);
  transition: transform .24s ease, opacity .24s ease;
}

.page-contact .ct-item__sign::after {
  transform: rotate(90deg);
}

.page-contact .ct-item[open] .ct-item__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-contact .ct-item__body {
  padding: 0 clamp(0px, 2vw, 34px) clamp(12px, 2vw, 22px);
}

.page-contact .ct-item__body p {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--ct-ink-72);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-clock {
  padding: clamp(30px, 5vw, 62px) 0;
}

.page-contact .ct-clock__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 50px);
  padding: clamp(26px, 4.4vw, 54px);
  border: 1px solid var(--bo-line);
  border-radius: 30px 8px 30px 8px;
  background: linear-gradient(145deg, rgba(14, 59, 65, .62) 0%, rgba(10, 22, 40, .88) 100%);
  box-shadow: var(--bo-shadow-hard);
}

.page-contact .ct-clock__figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .ct-clock__num {
  font-family: var(--bo-font-mono);
  font-weight: 700;
  font-size: clamp(4rem, 14vw, 7.6rem);
  line-height: .82;
  letter-spacing: -0.05em;
  color: var(--bo-cyan);
}

.page-contact .ct-clock__unit {
  font-family: var(--bo-font-display);
  font-size: clamp(.92rem, 2.2vw, 1.15rem);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--bo-ice);
}

.page-contact .ct-clock__copy .ct-h2 {
  margin-bottom: 14px;
}

/* ---------- 办公地址 ---------- */
.page-contact .ct-addr {
  margin: clamp(20px, 3.4vw, 40px) 0 clamp(30px, 5vw, 56px);
  padding: clamp(26px, 4.4vw, 58px);
  background: var(--bo-sand);
  color: var(--bo-ink);
  border-radius: 32px 8px 32px 8px;
  box-shadow: var(--bo-shadow-hard);
}

.page-contact .ct-addr__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-contact .ct-addr__eyebrow {
  margin: 0 0 12px;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: rgba(4, 7, 13, .58);
}

.page-contact .ct-addr__lines {
  display: block;
  margin: 0 0 16px;
  font-style: normal;
  font-family: var(--bo-font-display);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--bo-ink);
}

.page-contact .ct-addr__note {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.86;
  color: rgba(4, 7, 13, .78);
}

.page-contact .ct-addr__fig {
  margin: 0;
}

.page-contact .ct-addr__frame {
  overflow: hidden;
  border: 1px solid rgba(4, 7, 13, .38);
  border-radius: 24px 6px 24px 6px;
  box-shadow: 6px 6px 0 rgba(4, 7, 13, .5);
}

.page-contact .ct-addr__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .ct-addr__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(4, 7, 13, .62);
}

/* ---------- 沟通准备 ---------- */
.page-contact .ct-prep {
  padding: clamp(34px, 5.6vw, 78px) 0 clamp(30px, 5vw, 64px);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-prep__item {
  padding: 22px 22px 24px;
  background: rgba(14, 59, 65, .28);
  border: 1px solid var(--bo-line-soft);
  border-left: 3px solid var(--bo-cyan);
  border-radius: 4px 20px 4px 20px;
  transition: transform .28s ease, background .28s ease, border-color .28s ease;
}

.page-contact .ct-prep__item:hover {
  transform: translateX(4px);
  background: rgba(14, 59, 65, .5);
  border-left-color: var(--bo-coral);
}

.page-contact .ct-prep__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bo-cyan);
}

.page-contact .ct-prep__title {
  margin: 0 0 8px;
  font-family: var(--bo-font-display);
  font-weight: 600;
  font-size: clamp(1rem, 1.9vw, 1.12rem);
  letter-spacing: -0.01em;
}

.page-contact .ct-prep__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-ink-72);
}

/* ---------- 收束 ---------- */
.page-contact .ct-close {
  padding: clamp(50px, 8vw, 104px) 0 clamp(28px, 5vw, 52px);
  text-align: center;
}

.page-contact .ct-close__kicker {
  margin: 0 0 10px;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--bo-coral);
}

.page-contact .ct-close__title {
  margin: 0 0 16px;
  font-family: var(--bo-font-display);
  font-weight: 200;
  font-size: clamp(1.7rem, 5.4vw, 3.05rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.page-contact .ct-close__text {
  max-width: 60ch;
  margin: 0 auto clamp(22px, 3vw, 30px);
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--ct-ink-72);
}

.page-contact .ct-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
  }

  .page-contact .ct-prep__item:nth-child(2) {
    margin-top: 30px;
  }

  .page-contact .ct-prep__item:nth-child(4) {
    margin-top: 30px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 38px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-top: 18px;
  }

  .page-contact .ct-clock__panel {
    grid-template-columns: minmax(220px, 270px) 1fr;
    align-items: center;
  }

  .page-contact .ct-addr__grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-hero__title {
    max-width: 16ch;
  }
}

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

  .page-contact .ct-channel:hover,
  .page-contact .ct-prep__item:hover {
    transform: none;
  }
}