.page-contact {
  --pc-gap: clamp(16px, 3vw, 32px);
  --pc-head-gap: clamp(26px, 4vw, 46px);
  display: block;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(4px, 1vw, 10px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--stone);
}

.page-contact .breadcrumb__link {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--amber);
}

.page-contact .breadcrumb__sep {
  color: var(--line-strong);
}

.page-contact .breadcrumb__list li span[aria-current] {
  color: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(14px, 2.5vw, 26px);
}

.page-contact .contact-hero__frame {
  position: relative;
  border: 1px solid var(--line-strong);
  padding: clamp(26px, 5vw, 64px) clamp(20px, 4vw, 56px) clamp(26px, 5vw, 56px);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(18, 48, 74, 0.72) 0%, rgba(11, 27, 43, 0) 62%),
    linear-gradient(180deg, rgba(18, 48, 74, 0.42), rgba(11, 27, 43, 0.04));
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 28px);
  opacity: .9;
  pointer-events: none;
}

.page-contact .contact-hero .section__label {
  display: block;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--amber);
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(31px, 6.2vw, 62px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--veil);
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .contact-hero__fact {
  background: var(--ink-900);
  padding: 16px 18px;
}

.page-contact .contact-hero__fact-key {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-contact .contact-hero__fact-val {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: clamp(40px, 6.5vw, 80px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-head {
  display: grid;
  gap: 12px;
  max-width: 72ch;
  margin-bottom: var(--pc-head-gap);
}

.page-contact .contact-head .section-num {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--amber);
}

.page-contact .contact-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-head__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color .16s ease, border-color .16s ease;
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--amber);
}

/* ---------- 状态标签 ---------- */
.page-contact .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--stone);
  white-space: nowrap;
}

.page-contact .tag--note {
  border-color: rgba(221, 164, 59, .55);
  color: var(--amber);
}

.page-contact .tag--stable {
  border-color: rgba(127, 209, 174, .55);
  color: var(--mint);
}

.page-contact .tag--alert {
  border-color: rgba(226, 104, 75, .55);
  color: var(--coral);
}

/* ---------- 四步表单 ---------- */
.page-contact .contact-form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 38px);
}

.page-contact .contact-form__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-form__step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-form__step-no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-form__step-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-form__step .tag {
  margin-left: auto;
  flex: 0 0 auto;
}

.page-contact .contact-form__details {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-form__detail {
  padding: 2px 0 2px clamp(16px, 2.4vw, 24px);
  border-left: 2px solid var(--line-strong);
}

.page-contact .contact-form__detail:nth-child(1) { border-left-color: var(--amber); }
.page-contact .contact-form__detail:nth-child(2) { border-left-color: var(--mint); }
.page-contact .contact-form__detail:nth-child(3) { border-left-color: var(--coral); }
.page-contact .contact-form__detail:nth-child(4) { border-left-color: var(--moss); }

.page-contact .contact-form__detail-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-form__detail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-form__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  max-width: 720px;
}

.page-contact .media-frame {
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--stone);
  background: var(--ink-900);
}

/* ---------- 三类合作方向 ---------- */
.page-contact .contact-tracks__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .contact-track {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-900);
}

.page-contact .contact-track__no {
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--clay);
}

.page-contact .contact-track__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-track__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--stone);
}

.page-contact .contact-track__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 7px 14px;
  font-size: 13px;
}

.page-contact .contact-track__meta dt {
  color: var(--stone);
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-contact .contact-track__meta dd {
  margin: 0;
  color: var(--paper);
  text-align: right;
}

.page-contact .contact-tracks__figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 2px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-channel__key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .contact-channel__val {
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.5;
  color: var(--paper);
  letter-spacing: -.01em;
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-contact .contact-channel__note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .contact-channels__hint {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 15px 18px;
  border-left: 2px solid var(--coral);
  background: rgba(226, 104, 75, .08);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-hours {
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .contact-hours__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 12px;
}

.page-contact .contact-hours__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-hours__legend {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-contact .contact-hours__bar {
  position: relative;
  height: 14px;
  border: 1px solid var(--line-strong);
  background: var(--ink-950);
  overflow: hidden;
}

.page-contact .contact-hours__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(221, 164, 59, .92) 0%, rgba(221, 164, 59, .5) 100%);
}

.page-contact .contact-hours__fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(11, 27, 43, .5) 0 1px, transparent 1px 12.5%);
}

.page-contact .contact-hours__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--stone);
}

/* ---------- 提交之后 ---------- */
.page-contact .contact-timeline {
  margin: 0;
  padding: 0 0 0 clamp(18px, 3vw, 30px);
  list-style: none;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .contact-timeline__item {
  position: relative;
}

.page-contact .contact-timeline__item::before {
  content: "";
  position: absolute;
  top: 7px;
  left: calc(-1 * clamp(18px, 3vw, 30px) - 4px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone);
  border: 1px solid var(--ink-900);
}

.page-contact .contact-timeline__item:nth-child(1)::before { background: var(--amber); }
.page-contact .contact-timeline__item:nth-child(2)::before { background: var(--mint); }
.page-contact .contact-timeline__item:nth-child(3)::before { background: var(--coral); }
.page-contact .contact-timeline__item:nth-child(4)::before { background: var(--clay); }

.page-contact .contact-timeline__time {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .contact-timeline__item h3 {
  margin: 7px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-timeline__item p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 通道对照表 ---------- */
.page-contact .contact-routes__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-routes__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-contact .contact-routes__table th,
.page-contact .contact-routes__table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-routes__table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--stone);
  background: rgba(18, 48, 74, .5);
  white-space: nowrap;
}

.page-contact .contact-routes__table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-contact .contact-routes__table tbody td {
  color: var(--stone);
}

.page-contact .contact-routes__table tbody tr:last-child th,
.page-contact .contact-routes__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .contact-routes__table tbody tr:hover th,
.page-contact .contact-routes__table tbody tr:hover td {
  background: rgba(221, 164, 59, .06);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-channel {
    padding: 24px 26px;
    border-bottom: 0;
  }

  .page-contact .contact-channel:first-child {
    padding-left: 0;
  }

  .page-contact .contact-channel:last-child {
    padding-right: 0;
  }

  .page-contact .contact-channel + .contact-channel {
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-form__grid {
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-tracks__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact .contact-routes__table th,
  .page-contact .contact-routes__table td {
    padding: 14px 12px;
  }

  .page-contact .contact-track__meta {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .contact-track__meta dd {
    text-align: left;
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact a,
  .page-contact .breadcrumb__link {
    transition: none;
  }
}