.page-contact {
  --ct-surface: rgba(12, 44, 92, 0.52);
  --ct-surface-2: rgba(12, 44, 92, 0.78);
  --ct-line: rgba(159, 179, 204, 0.22);
  --ct-line-soft: rgba(159, 179, 204, 0.14);
  padding: 22px 0 76px;
  color: var(--ink);
}

.page-contact .breadcrumb {
  margin: 0 0 26px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: 26px;
  padding-bottom: 8px;
}

.page-contact .ct-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .ct-hero__eyebrow .num {
  color: var(--mist);
}

.page-contact .ct-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--porcelain);
}

.page-contact .ct-hero__lead {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-contact .ct-hero__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-hero__note a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 123, 234, 0.5);
}

.page-contact .ct-hero__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--ct-line);
  background: var(--night);
}

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

.page-contact .ct-hero__media figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--ct-line-soft);
  background: rgba(5, 22, 47, 0.94);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 区块骨架 ---------- */
.page-contact .ct-section {
  margin-top: 54px;
  padding-top: 46px;
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .section-head {
  margin: 0 0 28px;
  max-width: 68ch;
}

.page-contact .section-head__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .section-head__title {
  margin: 0 0 12px;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--porcelain);
}

.page-contact .section-head__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 18px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 24px 22px 22px;
  border-radius: var(--r-xl);
  border: 1px solid var(--ct-line);
  background: linear-gradient(158deg, rgba(18, 74, 143, 0.42), rgba(5, 22, 47, 0.88));
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-channel:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 255, 61, 0.45);
}

.page-contact .ct-channel--phone {
  background: linear-gradient(158deg, rgba(255, 90, 43, 0.16), rgba(5, 22, 47, 0.9));
}

.page-contact .ct-channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.page-contact .ct-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(200, 255, 61, 0.14);
  animation: ct-breathe 2.4s ease-in-out infinite;
}

.page-contact .ct-dot--ember {
  background: var(--ember);
  box-shadow: 0 0 0 5px rgba(255, 90, 43, 0.14);
}

@keyframes ct-breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.86); }
}

.page-contact .ct-channel__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--porcelain);
}

.page-contact .ct-channel__value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 4vw, 19px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .ct-channel--phone .ct-channel__value {
  color: var(--ember);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-channel__list {
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--ct-line);
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--signal);
}

.page-contact .ct-channel-figure {
  margin: 20px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ct-line-soft);
  background: linear-gradient(140deg, rgba(12, 44, 92, 0.7), rgba(5, 22, 47, 0.95));
}

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

/* ---------- 合作方向 ---------- */
.page-contact .ct-collab {
  display: grid;
  gap: 14px;
}

.page-contact .ct-collab__item {
  border-radius: var(--r-lg);
  border: 1px solid var(--ct-line);
  background: var(--ct-surface);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .ct-collab__item[open] {
  border-color: rgba(44, 123, 234, 0.6);
  background: var(--ct-surface-2);
}

.page-contact .ct-collab__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-collab__summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
}

.page-contact .ct-collab__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .ct-collab__name {
  flex: 1 1 auto;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--porcelain);
}

.page-contact .ct-collab__toggle {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
}

.page-contact .ct-collab__toggle::before,
.page-contact .ct-collab__toggle::after {
  content: "";
  position: absolute;
  background: var(--signal);
  border-radius: 2px;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-contact .ct-collab__toggle::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-contact .ct-collab__toggle::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-contact .ct-collab__item[open] .ct-collab__toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .ct-collab__body {
  padding: 0 18px 18px;
}

.page-contact .ct-collab__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 响应时间线 ---------- */
.page-contact .ct-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .ct-timeline__step {
  position: relative;
  padding: 0 0 30px 32px;
}

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

.page-contact .ct-timeline__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--signal);
}

.page-contact .ct-timeline__step::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 20px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, rgba(44, 123, 234, 0.7), rgba(44, 123, 234, 0.06));
}

.page-contact .ct-timeline__step:last-child::after {
  display: none;
}

.page-contact .ct-timeline__mark {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .ct-timeline__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--porcelain);
}

.page-contact .ct-timeline__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .ct-address {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  border-radius: var(--r-xl);
  border: 1px solid var(--ct-line);
  background: linear-gradient(140deg, rgba(18, 74, 143, 0.44), rgba(5, 22, 47, 0.92));
}

.page-contact .ct-address__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .ct-address__line {
  margin: 0 0 16px;
  font-size: clamp(17px, 3.6vw, 24px);
  font-weight: 800;
  line-height: 1.45;
  color: var(--porcelain);
}

.page-contact .ct-address__desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-address__hint {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-address__art {
  align-self: center;
  border-radius: var(--r-lg);
  border: 1px solid var(--ct-line-soft);
  background: rgba(5, 22, 47, 0.6);
  padding: 16px 16px 12px;
}

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

.page-contact .ct-address__art-cap {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-align: right;
  color: var(--mist);
}

/* ---------- 收尾入口 ---------- */
.page-contact .ct-next {
  display: grid;
  gap: 22px;
  padding: 28px 22px;
  border-radius: var(--r-xl);
  border: 1px solid rgba(200, 255, 61, 0.32);
  background: linear-gradient(120deg, rgba(200, 255, 61, 0.13), rgba(44, 123, 234, 0.2));
}

.page-contact .ct-next__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 3.6vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--porcelain);
}

.page-contact .ct-next__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .ct-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact {
    padding-top: 28px;
  }

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

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

  .page-contact .ct-address {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    padding: 32px 30px;
    gap: 28px;
  }

  .page-contact .ct-next {
    grid-template-columns: minmax(0, 1.6fr) auto;
    align-items: center;
    padding: 34px 32px;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 40px;
  }

  .page-contact .ct-section {
    margin-top: 76px;
    padding-top: 60px;
  }

  .page-contact .ct-channel-figure img {
    height: 300px;
    object-fit: cover;
  }

  .page-contact .ct-timeline {
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .page-contact .ct-timeline__step {
    padding: 32px 0 0;
  }

  .page-contact .ct-timeline__step::before {
    left: 0;
    top: 0;
  }

  .page-contact .ct-timeline__step::after {
    left: 15px;
    right: 0;
    top: 6px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, rgba(44, 123, 234, 0.7), rgba(44, 123, 234, 0.06));
  }

  .page-contact .ct-timeline__desc {
    max-width: 32ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dot {
    animation: none;
  }

  .page-contact .ct-channel {
    transition: none;
  }

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