.page-contact {
  --c-line: rgba(198, 207, 202, .18);
  --c-line-soft: rgba(198, 207, 202, .10);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  font-size: var(--t-12);
  letter-spacing: .14em;
  color: var(--sunk);
}

.page-contact .crumbs a {
  color: var(--silver);
  text-decoration: none;
  transition: color .18s ease;
}

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

.page-contact .crumbs [aria-current="page"] {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 62px;
  background:
    linear-gradient(180deg, rgba(18, 59, 46, .45) 0%, rgba(10, 15, 12, 0) 68%),
    var(--ink);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--c-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 95% at 76% 14%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 95% at 76% 14%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -6%;
  bottom: -12%;
  width: 42%;
  background: linear-gradient(158deg, rgba(47, 110, 84, .55) 0%, rgba(10, 15, 12, 0) 68%);
  transform: skewX(-9deg);
  transform-origin: top right;
  pointer-events: none;
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-contact .hero-eyebrow {
  display: inline-block;
  font-size: var(--t-12);
  letter-spacing: .32em;
  color: var(--ice);
  padding-bottom: 8px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .hero-title {
  margin: 0;
  font-size: clamp(40px, 8.4vw, 108px);
  font-weight: 900;
  line-height: .95;
  letter-spacing: -.04em;
  color: var(--paper);
}

.page-contact .hero-title em {
  font-style: normal;
  color: var(--orange);
}

.page-contact .hero-lead {
  margin: 26px 0 0;
  max-width: 46ch;
  color: var(--sunk);
  font-size: var(--t-18);
  line-height: 1.78;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.page-contact .hero-figure {
  margin: 0;
  position: relative;
}

.page-contact .hero-figure .img-frame {
  border: 1px solid var(--c-line);
}

.page-contact .img-frame__cap {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: .16em;
  color: var(--silver);
  margin-top: 12px;
}

/* ---------- 章节骨架 ---------- */
.page-contact .section {
  position: relative;
  padding: 64px 0;
}

.page-contact .section__head {
  max-width: 62ch;
}

.page-contact .section__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-14);
  letter-spacing: .2em;
  color: var(--orange);
  margin-bottom: 12px;
}

.page-contact .section__title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .section__note {
  margin: 14px 0 0;
  color: var(--sunk);
  font-size: var(--t-14);
  line-height: 1.75;
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .channels {
  background: linear-gradient(180deg, rgba(18, 59, 46, .5) 0%, rgba(10, 15, 12, 0) 62%);
}

.page-contact .channel-grid {
  display: grid;
  gap: 20px;
  margin-top: 42px;
}

.page-contact .channel {
  position: relative;
  background: var(--rock);
  border: 1px solid var(--c-line);
  padding: 28px 22px 26px;
  transition: transform .2s ease, border-color .2s ease;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--orange);
}

.page-contact .channel--phone::before {
  background: var(--ice);
}

.page-contact .channel--addr::before {
  background: var(--moss);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-contact .channel__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: .24em;
  color: var(--silver);
}

.page-contact .channel__value {
  margin: 0 0 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(15px, 1.1vw + 11px, 20px);
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel__fit {
  margin: 0 0 20px;
  color: var(--sunk);
  font-size: var(--t-14);
  line-height: 1.78;
}

.page-contact .channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

/* ---------- 02 准备清单 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: 44px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .prep-item__num {
  font-family: var(--font-mono);
  font-size: var(--t-14);
  letter-spacing: .08em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .prep-item__title {
  margin: 0 0 8px;
  font-size: var(--t-18);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prep-item__body p {
  margin: 0;
  color: var(--sunk);
  font-size: var(--t-14);
  line-height: 1.78;
}

.page-contact .prep-figure {
  margin: 0;
}

.page-contact .prep-figure .img-frame {
  border: 1px solid var(--c-line);
}

/* ---------- 03 回复时段 ---------- */
.page-contact .reply-band {
  margin-top: 42px;
  display: grid;
  gap: 26px;
  padding: 30px 22px;
  border: 1px solid var(--c-line);
  background: linear-gradient(140deg, rgba(18, 59, 46, .9) 0%, rgba(27, 36, 32, .55) 100%);
}

.page-contact .reply-clock__time {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(32px, 5.4vw, 52px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-contact .reply-clock__label {
  margin: 12px 0 0;
  font-size: var(--t-12);
  letter-spacing: .24em;
  color: var(--ice);
}

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

.page-contact .reply-note {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  font-size: var(--t-14);
  line-height: 1.78;
  color: var(--sunk);
}

.page-contact .reply-note::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border: 1px solid var(--ice);
}

/* ---------- 04 反馈类型 ---------- */
.page-contact .tabs {
  margin-top: 38px;
}

.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .tabs__btn {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 14px 20px 14px 0;
  margin-right: 20px;
  font-family: var(--font-sans);
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--silver);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}

.page-contact .tabs__btn:hover {
  color: var(--paper);
}

.page-contact .tabs__btn[aria-selected="true"] {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .tabs__btn:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-contact .tabs__panel {
  padding: 28px 0 0;
  border-left: 1px solid var(--c-line);
  padding-left: 22px;
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .feedback__title {
  margin: 0 0 16px;
  font-size: var(--t-24);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .tabs__panel p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: var(--t-18);
  line-height: 1.78;
  color: var(--sunk);
}

.page-contact .feedback__link {
  display: inline-block;
  margin-top: 8px;
  font-size: var(--t-14);
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(124, 210, 230, .38);
  transition: color .18s ease, border-color .18s ease;
}

.page-contact .feedback__link:hover,
.page-contact .feedback__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 05 坐标与覆盖 ---------- */
.page-contact .coverage-grid {
  display: grid;
  gap: 44px;
}

.page-contact .coverage-lead {
  margin: 26px 0 0;
  max-width: 52ch;
  color: var(--sunk);
  font-size: var(--t-18);
  line-height: 1.78;
}

.page-contact .coverage-facts {
  margin: 34px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .coverage-fact {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  padding: 15px 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .coverage-fact:last-child {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .coverage-fact dt {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: .14em;
  color: var(--ice);
  padding-top: 3px;
}

.page-contact .coverage-fact dd {
  margin: 0;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .coverage-map {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--rock);
  padding: 18px;
}

.page-contact .covmap {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-contact .covmap__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: .12em;
  color: var(--silver);
}

/* ---------- 延伸入口 ---------- */
.page-contact .next-strip {
  border-top: 1px solid var(--c-line);
  background: var(--ink);
  padding: 48px 0 72px;
}

.page-contact .next-strip__title {
  margin: 0 0 24px;
  font-size: var(--t-18);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .next-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .next-strip__list li {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .next-strip__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  font-size: var(--t-14);
  line-height: 1.6;
  color: var(--silver);
  text-decoration: none;
  transition: color .18s ease;
}

.page-contact .next-strip__list a::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-contact .next-strip__list a .mono {
  color: var(--ice);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .reply-band {
    padding: 36px 34px;
  }

  .page-contact .reply-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-contact .coverage-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .coverage-fact:nth-child(2) {
    border-bottom: 1px solid var(--c-line-soft);
  }
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel:nth-child(2) {
    margin-top: 46px;
  }

  .page-contact .channel:nth-child(3) {
    margin-top: 92px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 42px 0 84px;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 56px;
  }

  .page-contact .section {
    padding: 88px 0;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .coverage-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .reply-band {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .next-strip__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .tabs__btn,
  .page-contact .feedback__link,
  .page-contact .next-strip__list a {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}
<<<END>>>