.page-contact {
  --pc-bd: 1px solid rgba(107, 74, 47, .26);
  --pc-bd-gold: 1px solid rgba(192, 138, 46, .55);
  display: block;
  background: var(--board);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .mt-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 2.4rem) 0 clamp(2.8rem, 6vw, 4.4rem);
  background: var(--deep-red);
  color: var(--board);
  overflow: hidden;
}
.page-contact .mt-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  z-index: 3;
  background: repeating-linear-gradient(90deg,
    var(--deep-red) 0 42px,
    var(--flag-red) 42px 84px,
    var(--ochre) 84px 126px,
    var(--butter) 126px 168px,
    var(--tk-blue) 168px 210px,
    var(--tk-green) 210px 252px);
}
.page-contact .mt-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-contact .mt-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}
.page-contact .mt-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(142, 36, 25, .97) 0%,
    rgba(142, 36, 25, .9) 42%,
    rgba(28, 20, 16, .55) 100%);
}
.page-contact .mt-hero__inner {
  position: relative;
  z-index: 2;
}
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-bottom: 1.5rem;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .02em;
  color: rgba(245, 237, 225, .74);
}
.page-contact .breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 138, 46, .6);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--butter);
}
.page-contact .mt-hero__tag {
  display: inline-block;
  margin: 0 0 1.15rem;
  padding: .34rem .72rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--butter);
  border: 1px solid rgba(242, 193, 78, .5);
}
.page-contact .mt-hero__title {
  margin: 0 0 1.05rem;
  max-width: 22ch;
  font-size: clamp(2.05rem, 6.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--board);
  text-shadow: 0 2px 18px rgba(28, 20, 16, .4);
}
.page-contact .mt-hero__lede {
  max-width: 46rem;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  color: rgba(245, 237, 225, .9);
}

/* ---------- 通用小标题 ---------- */
.page-contact .mt-head {
  max-width: 62rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}
.page-contact .mt-head__title {
  margin: .5rem 0 .7rem;
}
.page-contact .mt-head__lede {
  max-width: 54rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--stone);
}
.page-contact .eyebrow {
  color: var(--flag-red);
}

/* ---------- 三条通道 ---------- */
.page-contact .mt-channels {
  padding: clamp(2.6rem, 6vw, 4.4rem) 0;
  background: var(--board);
}
.page-contact .mt-channels__grid {
  display: grid;
  gap: 1.7rem;
}
.page-contact .mt-channels__list {
  display: grid;
  gap: 1.1rem;
}
.page-contact .mt-channel {
  position: relative;
  padding: 1.4rem 1.4rem 1.5rem;
  background: var(--paper);
  border: var(--pc-bd);
  border-top: 3px solid var(--ochre);
  box-shadow: var(--shadow-card);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.page-contact .mt-channel:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.page-contact .mt-channel--mail { border-top-color: var(--tk-blue); }
.page-contact .mt-channel--phone { border-top-color: var(--flag-red); }
.page-contact .mt-channel--spot { border-top-color: var(--tk-green); }
.page-contact .mt-channel__kicker {
  margin: 0 0 .55rem;
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--stone);
}
.page-contact .mt-channel h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--ink);
}
.page-contact .mt-channel__value {
  margin: .6rem 0 .85rem;
  font-family: var(--mono);
  font-size: clamp(1.02rem, 2.4vw, 1.3rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--deep-red);
  overflow-wrap: anywhere;
}
.page-contact .mt-channel__body {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
}

/* ---------- 提交须知 ---------- */
.page-contact .mt-prepare {
  padding: 1.5rem 1.4rem 1.6rem;
  background: var(--ink);
  border: 1px solid rgba(192, 138, 46, .55);
  color: var(--board);
}
.page-contact .mt-prepare__kicker {
  margin: 0;
  color: var(--butter);
}
.page-contact .mt-prepare__title {
  margin: .55rem 0 1.2rem;
  font-size: clamp(1.12rem, 2.2vw, 1.35rem);
  line-height: 1.45;
  color: var(--paper);
}
.page-contact .mt-checklist {
  display: grid;
  gap: .95rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
  counter-reset: mt-num;
}
.page-contact .mt-checklist li {
  position: relative;
  padding-left: 2.7rem;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(245, 237, 225, .86);
  counter-increment: mt-num;
}
.page-contact .mt-checklist li::before {
  content: "0" counter(mt-num);
  position: absolute;
  left: 0;
  top: .08rem;
  display: grid;
  place-items: center;
  width: 1.95rem;
  height: 1.95rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 700;
  color: var(--butter);
  border: 1px solid rgba(192, 138, 46, .7);
}
.page-contact .mt-checklist strong {
  color: var(--paper);
}
.page-contact .mt-prepare__note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(192, 138, 46, .35);
  font-size: .8125rem;
  line-height: 1.75;
  color: rgba(245, 237, 225, .64);
}

/* ---------- 受理时段 ---------- */
.page-contact .mt-hours {
  position: relative;
  padding: clamp(1.8rem, 4vw, 2.6rem) 0;
  background: var(--butter);
  color: var(--ink);
  overflow: hidden;
}
.page-contact .mt-hours::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(45deg, rgba(28, 20, 16, .07) 25%, transparent 25%, transparent 75%, rgba(28, 20, 16, .07) 75%),
    linear-gradient(45deg, rgba(28, 20, 16, .07) 25%, transparent 25%, transparent 75%, rgba(28, 20, 16, .07) 75%);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
}
.page-contact .mt-hours__inner {
  position: relative;
  display: grid;
  gap: 1rem;
}
.page-contact .mt-hours__clock {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.6vw, 2rem);
  letter-spacing: -.01em;
  color: var(--deep-red);
}
.page-contact .mt-hours__copy h2 {
  margin: 0 0 .4rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink);
}
.page-contact .mt-hours__copy p {
  max-width: 48rem;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
}

/* ---------- 自查标签页 ---------- */
.page-contact .mt-help {
  padding: clamp(2.6rem, 6vw, 4.4rem) 0;
  background: var(--paper);
}
.page-contact .mt-tabs {
  margin-top: 1.4rem;
}
.page-contact .mt-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  border-bottom: 2px solid rgba(107, 74, 47, .28);
}
.page-contact .tab-btn {
  appearance: none;
  padding: .68rem 1.05rem;
  font-family: var(--sans);
  font-size: .9375rem;
  line-height: 1.2;
  color: var(--stone);
  background: var(--board);
  border: 1px solid rgba(107, 74, 47, .28);
  border-bottom: none;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .tab-btn:hover {
  color: var(--ink);
  border-color: rgba(192, 138, 46, .7);
}
.page-contact .tab-btn[aria-selected="true"] {
  font-weight: 700;
  color: var(--paper);
  background: var(--deep-red);
  border-color: var(--deep-red);
}
.page-contact .tab-btn:focus-visible {
  outline: 2px solid var(--tk-blue);
  outline-offset: 2px;
}
.page-contact .mt-tabs__panel {
  padding: clamp(1.2rem, 3vw, 1.8rem) 0 0;
}
.page-contact .mt-help__list {
  display: grid;
  gap: .9rem;
  margin: 0 0 1.3rem;
  padding: 0;
  list-style: none;
}
.page-contact .mt-help__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9375rem;
  line-height: 1.82;
}
.page-contact .mt-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .5rem;
  height: .5rem;
  background: var(--ochre);
  transform: rotate(45deg);
}
.page-contact .mt-help__list strong {
  color: var(--deep-red);
}
.page-contact .mt-help__more {
  margin: 0;
}

/* ---------- 服务点 ---------- */
.page-contact .mt-spot {
  position: relative;
  padding: clamp(2.6rem, 6vw, 4.4rem) 0;
  background: var(--board);
}
.page-contact .mt-spot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(45deg, rgba(107, 74, 47, .055) 25%, transparent 25%, transparent 75%, rgba(107, 74, 47, .055) 75%),
    linear-gradient(45deg, rgba(107, 74, 47, .055) 25%, transparent 25%, transparent 75%, rgba(107, 74, 47, .055) 75%);
  background-size: 56px 56px;
  background-position: 0 0, 28px 28px;
}
.page-contact .mt-spot__grid {
  position: relative;
  display: grid;
  gap: 1.9rem;
}
.page-contact .mt-spot__copy h2 {
  margin: .5rem 0 .9rem;
}
.page-contact .mt-spot__copy > p {
  max-width: 40rem;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
}
.page-contact .mt-spot__facts {
  display: grid;
  margin: 1.6rem 0 0;
  border-top: var(--pc-bd-gold);
}
.page-contact .mt-spot__facts > div {
  display: grid;
  gap: .3rem;
  padding: .9rem 0;
  border-bottom: var(--pc-bd-gold);
}
.page-contact .mt-spot__facts dt {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--stone);
}
.page-contact .mt-spot__facts dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
}
.page-contact .mt-spot__facts dd.mono {
  font-weight: 700;
  color: var(--deep-red);
}
.page-contact .mt-spot__note {
  margin: 1.2rem 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--stone);
}
.page-contact .mt-spot__figure {
  margin: 0;
  background: var(--paper);
  border: 1px solid rgba(107, 74, 47, .3);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.page-contact .mt-spot__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-contact .mt-spot__figure figcaption {
  padding: .7rem .9rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--stone);
  border-top: 1px solid rgba(192, 138, 46, .4);
}

/* ---------- 收尾 ---------- */
.page-contact .mt-tail {
  position: relative;
  padding: clamp(2.4rem, 5vw, 3.4rem) 0 clamp(3rem, 6vw, 4.6rem);
  background: var(--deep-red);
  color: var(--board);
  overflow: hidden;
}
.page-contact .mt-tail::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg,
    var(--flag-red) 0 42px,
    var(--ochre) 42px 84px,
    var(--butter) 84px 126px,
    var(--tk-blue) 126px 168px,
    var(--tk-green) 168px 210px,
    var(--deep-red) 210px 252px);
}
.page-contact .mt-tail__inner {
  max-width: 52rem;
}
.page-contact .mt-tail .eyebrow {
  color: var(--butter);
}
.page-contact .mt-tail h2 {
  margin: .55rem 0 .9rem;
  color: var(--paper);
}
.page-contact .mt-tail p {
  margin: 0 0 1.7rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 237, 225, .88);
}
.page-contact .mt-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .mt-spot__facts > div {
    grid-template-columns: 7rem 1fr;
    gap: 1.2rem;
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-contact .mt-hours__inner {
    grid-template-columns: auto 1fr;
    gap: 2.4rem;
    align-items: center;
  }
  .page-contact .mt-hours__clock {
    padding-right: 2.2rem;
    border-right: 1px solid rgba(28, 20, 16, .22);
  }
}

@media (min-width: 920px) {
  .page-contact .mt-channels__grid {
    grid-template-columns: 7fr 5fr;
    gap: 2.4rem;
    align-items: start;
  }
  .page-contact .mt-prepare {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
  .page-contact .mt-spot__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-contact .mt-hero {
    padding-top: calc(var(--header-h) + 1.6rem);
  }
  .page-contact .tab-btn {
    flex: 1 1 auto;
    font-size: .875rem;
    padding: .62rem .7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mt-channel,
  .page-contact .tab-btn {
    transition: none;
  }
  .page-contact .mt-channel:hover {
    transform: none;
  }
}