.page-contact {
  --fb-radius: 2px;
  --fb-pad-y: 52px;
  --fb-line: 1px solid var(--rule);
  --fb-shell: rgba(47, 79, 82, 0.06);
  background: var(--paper-bg);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 46px;
  background-color: var(--paper-bg);
  background-image:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 79, 82, 0.10), rgba(47, 79, 82, 0) 58%),
    linear-gradient(180deg, rgba(201, 138, 46, 0.08), rgba(201, 138, 46, 0) 42%);
}

.page-contact .fb-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--rule);
}

.page-contact .fb-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-contact .fb-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--ink-2);
}

.page-contact .fb-hero__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--vermilion);
  flex: 0 0 auto;
}

.page-contact .fb-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 70px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .fb-hero__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-contact .fb-hero__signal {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-deep);
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
}

.page-contact .fb-panel {
  position: relative;
  background: var(--deep);
  color: #E9E7E1;
  padding: 22px 20px 18px;
  border: 1px solid var(--deep);
  box-shadow: 6px 6px 0 -1px rgba(216, 213, 205, 0.7);
}

.page-contact .fb-panel__head {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--cyan-pale);
}

.page-contact .fb-panel__list {
  margin: 0;
}

.page-contact .fb-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid rgba(251, 250, 247, 0.14);
  font-size: 14px;
}

.page-contact .fb-panel__row dt {
  flex: 0 0 auto;
  color: rgba(233, 231, 225, 0.6);
}

.page-contact .fb-panel__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
  color: #FBFAF7;
}

/* ---------- 通用区块 ---------- */
.page-contact .fb-block {
  padding: var(--fb-pad-y) 0;
}

.page-contact .fb-block--sheet {
  background: var(--sheet);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-contact .section-head {
  margin-bottom: 28px;
}

/* ---------- 渠道 ---------- */
.page-contact .fb-channels {
  display: grid;
  gap: 24px;
}

.page-contact .fb-channels__figure {
  margin: 0;
}

.page-contact .fb-channels__cards {
  display: grid;
  gap: 16px;
}

.page-contact .fb-channel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--sheet);
  border: var(--fb-line);
  border-left: 3px solid var(--mineral);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-contact .fb-channel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-left-color: var(--vermilion);
}

.page-contact .fb-channel__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ink-2);
}

.page-contact .fb-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .fb-channel__value--addr {
  font-family: var(--font-body);
  font-size: 15px;
}

.page-contact .fb-channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .fb-channel__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
}

.page-contact .fb-channel__jump {
  font-size: 13px;
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .fb-channel__jump:hover {
  color: var(--vermilion-deep);
}

/* ---------- 分栏 ---------- */
.page-contact .fb-desk {
  display: grid;
  gap: 30px;
}

.page-contact .fb-desk__col {
  display: grid;
  gap: 24px;
  align-content: start;
}

/* 服务窗口 */
.page-contact .fb-window {
  position: relative;
  padding: 22px 22px 20px 26px;
  background: var(--sheet);
  border: var(--fb-line);
}

.page-contact .fb-window::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--amber);
}

.page-contact .fb-window__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--amber-deep);
}

.page-contact .fb-window__time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--mineral);
}

.page-contact .fb-window__meta {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

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

.page-contact .fb-window__list li {
  position: relative;
  padding: 11px 0 11px 18px;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .fb-window__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 9px;
  height: 2px;
  background: var(--vermilion);
}

.page-contact .fb-window__list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-contact .fb-window__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .fb-window__note a {
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .fb-window__note a:hover {
  color: var(--vermilion-deep);
}

/* 投递清单 */
.page-contact .fb-checklist__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .fb-checklist__sub {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

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

.page-contact .fb-checklist__item {
  position: relative;
  background: var(--sheet);
  border: var(--fb-line);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .fb-checklist__item:hover {
  border-color: var(--cyan-pale);
}

.page-contact .fb-checklist__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .fb-checklist__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-contact .fb-checklist__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  background: #FFFFFF;
  border: 1px solid var(--rule);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .fb-checklist__box:checked + .fb-checklist__label .fb-checklist__mark {
  background: var(--mineral);
  border-color: var(--mineral);
}

.page-contact .fb-checklist__box:checked + .fb-checklist__label .fb-checklist__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: 2px solid #FBFAF7;
  border-top: 0;
  border-left: 0;
  transform: rotate(42deg);
}

.page-contact .fb-checklist__box:focus-visible + .fb-checklist__label {
  outline: 2px solid var(--vermilion);
  outline-offset: 2px;
}

.page-contact .fb-checklist__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .fb-checklist__text strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--ink);
  font-weight: 600;
}

.page-contact .fb-checklist__box:checked + .fb-checklist__label .fb-checklist__text {
  color: var(--ink-2);
}

/* 处理流程 */
.page-contact .fb-flow__head {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .fb-flow {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-contact .fb-flow__step {
  position: relative;
  padding: 0 0 26px 46px;
}

.page-contact .fb-flow__step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 26px;
  bottom: 0;
  width: 1px;
  background: var(--rule);
}

.page-contact .fb-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .fb-flow__step:last-child::before {
  display: none;
}

.page-contact .fb-flow__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  background: var(--paper-bg);
  border: 1px solid var(--amber);
  color: var(--amber-deep);
  font-size: 11px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .fb-flow__step:hover .fb-flow__num {
  background: var(--amber);
  color: #FFFFFF;
  transform: scale(1.15);
}

.page-contact .fb-flow__title {
  margin: 3px 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .fb-flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .fb-flow__figure {
  margin: 0;
}

/* ---------- 不适用情形 ---------- */
.page-contact .fb-scope {
  display: grid;
  gap: 16px;
}

.page-contact .fb-scope__item {
  padding: 20px;
  background: var(--sheet);
  border: var(--fb-line);
  border-top: 3px solid var(--cyan-deep);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .fb-scope__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-contact .fb-scope__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan-deep);
}

.page-contact .fb-scope__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .fb-scope__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .fb-scope__link {
  display: inline-block;
  font-size: 13px;
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .fb-scope__link:hover {
  color: var(--vermilion-deep);
}

/* ---------- 地址 ---------- */
.page-contact .fb-addr {
  display: grid;
  gap: 20px;
}

.page-contact .fb-addr__card {
  position: relative;
  padding: 30px 22px 24px;
  background: var(--sheet);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 -1px rgba(216, 213, 205, 0.85);
}

.page-contact .fb-addr__stamp {
  position: absolute;
  top: -11px;
  left: 22px;
  padding: 2px 10px;
  background: var(--amber);
  color: #FFFFFF;
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-contact .fb-addr__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .fb-addr__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--mineral);
  word-break: break-word;
}

.page-contact .fb-addr .divider {
  margin: 18px 0;
}

.page-contact .fb-addr__desc {
  margin: 0 0 12px;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-contact .fb-addr__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

/* ---------- 页尾引导 ---------- */
.page-contact .fb-outro {
  background: var(--mineral);
  color: #E7E6E1;
  padding: 52px 0 60px;
}

.page-contact .fb-outro__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  color: #FBFAF7;
}

.page-contact .fb-outro__desc {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(231, 230, 225, 0.8);
}

.page-contact .fb-outro__grid {
  display: grid;
  gap: 14px;
}

.page-contact .fb-outro__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(251, 250, 247, 0.28);
  color: #FBFAF7;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .fb-outro__card:hover,
.page-contact .fb-outro__card:focus-visible {
  background: rgba(251, 250, 247, 0.1);
  border-color: rgba(251, 250, 247, 0.62);
  transform: translateY(-2px);
}

.page-contact .fb-outro__card-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan-pale);
}

.page-contact .fb-outro__card-title {
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .fb-pad-y,
  .page-contact .fb-block {
    --fb-pad-y: 64px;
  }

  .page-contact .fb-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fb-channels__cards > .fb-channel:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .fb-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .fb-hero {
    padding: calc(var(--header-h) + 56px) 0 62px;
  }

  .page-contact .fb-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
    margin-top: 34px;
  }

  .page-contact .fb-panel {
    margin-top: 30px;
    padding: 26px 24px 20px;
  }

  .page-contact .fb-channels {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .fb-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fb-channels__cards > .fb-channel:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .fb-desk {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
  }

  .page-contact .fb-desk__col {
    gap: 28px;
  }

  .page-contact .fb-scope {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .fb-addr__card {
    padding: 38px 34px 30px;
    border-width: 2px;
  }

  .page-contact .fb-addr__stamp {
    left: 34px;
  }
}

@media (min-width: 1100px) {
  .page-contact .fb-hero__desc {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-channel,
  .page-contact .fb-flow__num,
  .page-contact .fb-scope__item,
  .page-contact .fb-outro__card {
    transition: opacity var(--dur) var(--ease);
  }

  .page-contact .fb-channel:hover,
  .page-contact .fb-flow__step:hover .fb-flow__num,
  .page-contact .fb-scope__item:hover,
  .page-contact .fb-outro__card:hover {
    transform: none;
  }
}