.page-contact {
  display: block;
}

/* ---------- 首屏与导语 ---------- */
.page-contact .contact-intro {
  padding-block: clamp(20px, 3.4vw, 42px) clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-intro .lede {
  margin-top: 18px;
}

.page-contact .contact-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-facts li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-stone);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--c-amber);
}

/* ---------- 首屏视觉 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin: 0 0 clamp(32px, 4.6vw, 56px);
  background: linear-gradient(150deg, var(--c-felt) 0%, var(--c-ink) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  overflow: hidden;
}

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

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(155deg, rgba(13, 42, 34, 0.62) 0%, rgba(10, 10, 11, 0.16) 50%, rgba(224, 78, 39, 0.26) 100%);
}

/* ---------- 联络牌面 ---------- */
.page-contact .board-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 3.4vw, 42px);
}

.page-contact .board-head .lede {
  margin-top: 16px;
}

.page-contact .board-grid {
  align-items: start;
}

/* 通道轨道 */
.page-contact .channel-rail {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .channel-rail::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-amber) 0%, var(--c-orange) 50%, var(--c-vermil) 100%);
  opacity: 0.75;
}

.page-contact .channel-node {
  position: relative;
}

.page-contact .channel-node::before {
  content: "";
  position: absolute;
  left: -17px;
  top: 32px;
  width: 17px;
  height: 1px;
  background: var(--line-gold);
}

.page-contact .channel-node::after {
  content: "";
  position: absolute;
  left: -21px;
  top: 28px;
  width: 9px;
  height: 9px;
  background: var(--c-amber);
  transform: rotate(45deg);
}

.page-contact .channel-card {
  padding: 20px 22px 22px;
  background: var(--c-felt);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background-color 0.22s ease, border-color 0.22s ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: #1b4438;
  border-color: var(--line-gold);
}

.page-contact .channel-card__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  color: var(--c-cream);
  word-break: break-all;
  line-height: 1.4;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(15px, 2.6vw, 19px);
}

.page-contact .channel-card__value--tel {
  font-size: clamp(22px, 4.4vw, 30px);
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-contact .channel-card__value--addr {
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.6;
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

/* 受理范围 */
.page-contact .scope-stack {
  display: grid;
  gap: 16px;
}

.page-contact .scope-block {
  padding: 22px 24px 24px;
  background: var(--c-felt-deep);
  border: 1px solid var(--line-faint);
  border-left: 3px solid var(--c-moss);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .scope-block--out {
  background: #11231d;
  border-left-color: var(--c-clay);
}

.page-contact .scope-block__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-contact .mark-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .mark-list li {
  position: relative;
  padding-left: 26px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-stone);
}

.page-contact .mark-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--c-amber);
  border-bottom: 2px solid var(--c-amber);
  transform: rotate(-45deg);
}

.page-contact .mark-list--out li::before {
  left: 1px;
  top: 0.82em;
  width: 12px;
  height: 2px;
  border: 0;
  background: var(--c-clay);
  transform: none;
}

/* ---------- 回复时段 ---------- */
.page-contact .period-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  align-items: center;
}

.page-contact .period-copy .lede {
  margin-top: 16px;
}

.page-contact .period-copy .prose {
  margin-top: 20px;
}

.page-contact .period-figure {
  margin: 0;
  background: linear-gradient(140deg, var(--c-felt) 0%, var(--c-ink) 100%);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  overflow: hidden;
}

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

.page-contact .period-figure__caption {
  display: block;
  padding: 12px 18px 12px 16px;
  border-left: 2px solid var(--c-amber);
  margin: 0;
  font-family: var(--font-data);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--c-stone);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 3.2vw, 38px);
}

.page-contact .prep-head .lede {
  margin-top: 16px;
}

.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .prep-item__num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

.page-contact .prep-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.005em;
  color: var(--c-cream);
}

.page-contact .prep-item__hint {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-stone);
}

/* ---------- 分流建议 ---------- */
.page-contact .routing-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 3.2vw, 38px);
}

.page-contact .routing-head .lede {
  margin-top: 16px;
}

.page-contact .route-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 44px;
  padding: 22px 22px 24px;
  text-decoration: none;
  color: inherit;
  background: var(--c-felt-deep);
  border: 1px solid var(--line-faint);
  border-left: 3px solid var(--c-gold);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: border-left-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-left-color: var(--c-heart);
  background: #1b4438;
  transform: translateY(-2px);
}

.page-contact .route-card:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

.page-contact .route-card__tag {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-contact .route-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-contact .route-card__desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-stone);
}

/* ---------- 备案信息带 ---------- */
.page-contact .filing-band {
  margin-top: clamp(40px, 6vw, 76px);
  background: linear-gradient(180deg, var(--c-ink) 0%, #0d1f1a 100%);
  border: 1px solid var(--line-faint);
}

.page-contact .filing-band__scale {
  height: 12px;
  background-image: repeating-linear-gradient(90deg, var(--c-amber) 0 1px, transparent 1px 26px);
  opacity: 0.45;
}

.page-contact .filing-band__inner {
  padding: clamp(24px, 3.6vw, 42px) clamp(20px, 3.4vw, 40px) clamp(26px, 3.8vw, 44px);
}

.page-contact .filing-band__inner h2 {
  margin: 0 0 22px;
}

.page-contact .filing-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .filing-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .filing-row dt {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-stone);
}

.page-contact .filing-row dd {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--c-cream);
  word-break: break-all;
}

.page-contact .filing-note {
  margin: 22px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-stone);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 599px) {
  .page-contact .channel-rail {
    padding-left: 18px;
  }

  .page-contact .channel-rail::before {
    left: 5px;
  }

  .page-contact .channel-node::before {
    left: -13px;
    width: 13px;
  }

  .page-contact .channel-node::after {
    left: -16px;
  }

  .page-contact .filing-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-contact .contact-facts {
    gap: 8px 20px;
  }
}

/* ---------- 中宽与桌面 ---------- */
@media (min-width: 640px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .period-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .filing-band {
    margin-top: clamp(56px, 7vw, 88px);
  }

  .page-contact .filing-band__inner {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
    gap: clamp(20px, 3vw, 44px);
    align-items: start;
  }

  .page-contact .filing-band__inner h2 {
    margin-bottom: 0;
  }

  .page-contact .filing-note {
    margin-top: 0;
  }
}

/* ---------- 动效退让 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .route-card {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }
}