.page-contact {
  --ct-gap: clamp(20px, 3vw, 36px);
  --ct-pad: clamp(18px, 2.4vw, 26px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .ct-hero__lead {
  min-width: 0;
}

.page-contact .ct-hero__lead .display-title {
  margin: 10px 0 18px;
}

.page-contact .ct-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

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

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

/* 三条路径 */
.page-contact .ct-track__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-contact .ct-track__side {
  border-left: 1px solid var(--line-mid);
  padding-left: 16px;
}

.page-contact .ct-track__note {
  margin: 14px 0 0;
  color: var(--slate-text);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-contact .ct-track__item {
  position: relative;
  min-width: 0;
  padding: var(--ct-pad);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(11, 43, 35, 0.62), rgba(15, 30, 28, 0.9));
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .ct-track__item:hover {
  border-color: var(--cyan-mid);
  transform: translateY(-2px);
}

.page-contact .ct-track__name {
  margin: 28px 0 12px;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--chalk-white);
}

.page-contact .ct-track__body,
.page-contact .ct-track__fit {
  margin: 0 0 12px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

.page-contact .ct-track__fit {
  border-left: 2px solid var(--line-strong);
  padding-left: 12px;
  color: var(--chalk-white);
}

.page-contact .ct-track__fit span {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-warm);
}

.page-contact .ct-track__link,
.page-contact .ct-response__link,
.page-contact .ct-close__link {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-mid);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .ct-track__link:hover,
.page-contact .ct-response__link:hover,
.page-contact .ct-close__link:hover {
  border-bottom-color: var(--signal-cyan);
}

.page-contact .ct-track__link:focus-visible,
.page-contact .ct-response__link:focus-visible,
.page-contact .ct-close__link:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.page-contact .ct-track__stat {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal-cyan);
}

/* 四步流程 */
.page-contact .ct-flow__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

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

.page-contact .ct-flow__step {
  position: relative;
  padding: var(--ct-pad) var(--ct-pad) calc(var(--ct-pad) - 4px);
  border: 1px solid var(--line-mid);
  background: var(--panel-paper);
  transition: border-color var(--t-base) var(--ease);
}

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

.page-contact .ct-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  margin-bottom: 14px;
}

.page-contact .ct-flow__name {
  margin: 0 0 10px;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--chalk-white);
}

.page-contact .ct-flow__step > p {
  margin: 0 0 14px;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--slate-text);
}

.page-contact .ct-flow__more {
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-contact .ct-flow__more summary {
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-warm);
}

.page-contact .ct-flow__more summary:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.page-contact .ct-flow__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-text);
}

/* 联系渠道 */
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .ct-channels__lede {
  margin: 14px 0 22px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

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

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

.page-contact .ct-channels__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-channel {
  min-width: 0;
  padding: var(--ct-pad);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--signal-cyan);
  background: var(--panel-paper);
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .ct-channel:hover {
  border-color: var(--cyan-mid);
  border-left-color: var(--signal-cyan);
  background: rgba(15, 30, 28, 0.94);
  transform: translateY(-2px);
}

.page-contact .ct-channel__label {
  margin: 26px 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-warm);
}

.page-contact .ct-channel__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--chalk-white);
  word-break: break-word;
}

.page-contact .ct-channel__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-text);
}

/* 响应节奏 */
.page-contact .ct-response__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

.page-contact .ct-response__lead p {
  margin: 14px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

.page-contact .ct-response__table {
  margin: 0;
  border-top: 1px solid var(--line-mid);
}

.page-contact .ct-response__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-response__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-text);
}

.page-contact .ct-response__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk-white);
}

/* 来信地址 */
.page-contact .ct-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: center;
}

.page-contact .ct-visit__lead p {
  margin: 14px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

.page-contact .ct-visit__card {
  position: relative;
  padding: calc(var(--ct-pad) + 6px) var(--ct-pad);
  border: 1px dashed var(--line-strong);
  background:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, rgba(11, 43, 35, 0.5), rgba(5, 11, 15, 0.85));
}

.page-contact .ct-visit__region {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-warm);
}

.page-contact .ct-visit__addr {
  margin: 0 0 12px;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--chalk-white);
}

.page-contact .ct-visit__coord {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-text);
  opacity: 0.7;
}

.page-contact .ct-visit__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-text);
}

/* 备案信息 */
.page-contact .ct-legal__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 32px);
  align-items: center;
  padding: var(--ct-pad);
  border: 1px solid var(--line-mid);
  background: rgba(11, 43, 35, 0.42);
}

.page-contact .ct-legal__stamp {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border: 1px solid var(--line-strong);
  background: rgba(5, 11, 15, 0.65);
}

.page-contact .ct-legal__site {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 16px;
  color: var(--chalk-white);
}

.page-contact .ct-legal__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-text);
}

.page-contact .ct-legal__title {
  margin-bottom: 12px;
}

.page-contact .ct-legal__text > p {
  margin: 0 0 10px;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

.page-contact .ct-legal__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--chalk-white);
}

/* 收尾 */
.page-contact .ct-close__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 1px solid var(--line-mid);
}

.page-contact .ct-close__grid p {
  margin: 14px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--slate-text);
}

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

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

  .page-contact .ct-channel:first-child {
    grid-column: 1 / -1;
  }

  .page-contact .ct-response__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-contact .ct-flow__step::before {
    content: "";
    position: absolute;
    top: 44px;
    left: -22px;
    width: 22px;
    height: 1px;
    background: var(--line-strong);
  }

  .page-contact .ct-flow__step:first-child::before {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 60px);
  }

  .page-contact .ct-track__layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .ct-response__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .ct-legal__grid {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .ct-close__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-channel:last-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-track__item,
  .page-contact .ct-channel,
  .page-contact .ct-flow__step,
  .page-contact .ct-track__link,
  .page-contact .ct-response__link,
  .page-contact .ct-close__link {
    transition: none;
  }

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