.page-contact {
  --pc-mute: rgba(247, 244, 237, 0.68);
  --pc-card: #16151A;
  --pc-note: rgba(247, 244, 237, 0.62);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
}

.page-contact .breadcrumb__item {
  color: var(--fg-mute);
  text-decoration: none;
}

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

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-contact__hero {
  padding-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-contact__hero-copy {
  max-width: 52rem;
}

.page-contact__hero h1 {
  margin: 0.9rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 6.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact__lede {
  max-width: 40rem;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--pc-mute);
}

.page-contact__hero-figure {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  overflow: hidden;
  background: var(--obsidian-soft);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 10px 12px 0 rgba(58, 21, 18, 0.5);
}

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

/* ---------- 区块头 ---------- */
.page-contact__section {
  padding-top: clamp(2.75rem, 7vw, 4.75rem);
}

.page-contact__sec-head {
  display: grid;
  gap: 0.4rem 1.5rem;
  margin: 0 0 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .section-num {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 9vw, 4.5rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--milan-red);
}

.page-contact .section-num--ochre {
  color: var(--ochre);
}

.page-contact .section-num--turquoise {
  color: var(--turquoise);
}

.page-contact__sec-copy h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--snow);
}

.page-contact__sec-copy p {
  max-width: 40rem;
  margin: 0;
  line-height: 1.75;
  color: var(--pc-mute);
}

@media (min-width: 720px) {
  .page-contact__sec-head {
    grid-template-columns: auto 1fr;
    align-items: end;
  }
}

/* ---------- 三条渠道卡 ---------- */
.page-contact__channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

@media (min-width: 820px) {
  .page-contact__channels {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.page-contact__card {
  --pc-accent: var(--milan-red);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 1.3rem 1.3rem;
  background: var(--pc-card);
  border: 1px solid var(--line-strong);
  border-left: 6px solid var(--pc-accent);
  border-radius: var(--radius);
  box-shadow: 8px 10px 0 rgba(58, 21, 18, 0.55);
  transition: transform 0.22s var(--ease-stand), box-shadow 0.22s var(--ease-stand);
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact__card:hover {
    transform: translate(-2px, -3px);
    box-shadow: 11px 14px 0 rgba(58, 21, 18, 0.6);
  }
}

.page-contact__card--mail {
  --pc-accent: var(--lapis);
}

.page-contact__card--phone {
  --pc-accent: var(--ochre);
}

.page-contact__card--post {
  --pc-accent: var(--turquoise);
}

.page-contact__card-index {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--pc-accent);
}

.page-contact__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact__card-value {
  margin: 0;
  padding: 0.6rem 0.7rem;
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-all;
  color: var(--snow);
  background: rgba(247, 244, 237, 0.06);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}

.page-contact__card-body {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--pc-mute);
}

.page-contact__card-tip {
  margin: auto 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--pc-note);
}

/* ---------- 反馈类型分段切换 ---------- */
.page-contact__tabs {
  margin-top: 1.5rem;
}

.page-contact .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .segmented__btn {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.6rem 1.05rem;
  color: var(--fg-mute);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s var(--ease-stand), color 0.18s var(--ease-stand), border-color 0.18s var(--ease-stand);
}

.page-contact .segmented__btn:hover {
  color: var(--snow);
  border-color: var(--snow);
}

.page-contact .segmented__btn[aria-selected="true"] {
  color: var(--snow);
  background: var(--milan-red);
  border-color: var(--milan-red);
}

.page-contact .segmented__btn:focus-visible {
  outline: 2px solid var(--ochre);
  outline-offset: 2px;
}

.page-contact .tabs__panel {
  padding-top: 1.5rem;
}

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

.page-contact__panel h3 {
  margin: 0 0 1.1rem;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  color: var(--snow);
}

.page-contact__need {
  display: grid;
  gap: 0.65rem;
  max-width: 46rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact__need li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.975rem;
  line-height: 1.7;
  color: var(--pc-mute);
}

.page-contact__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--ochre);
  border-radius: 1px;
}

.page-contact__panel-note {
  max-width: 46rem;
  margin: 1.35rem 0 0;
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--fg-mute);
  background: rgba(31, 63, 160, 0.14);
  border-left: 3px solid var(--lapis);
  border-radius: var(--radius);
}

.page-contact__panel[data-panel="list"] .page-contact__panel-note {
  background: rgba(192, 138, 46, 0.12);
  border-left-color: var(--ochre);
}

.page-contact__panel[data-panel="move"] .page-contact__panel-note {
  background: rgba(30, 158, 134, 0.12);
  border-left-color: var(--turquoise);
}

/* ---------- 处理流程 ---------- */
.page-contact__flow-figure {
  margin: 0 0 2rem;
  overflow: hidden;
  background: var(--obsidian-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.page-contact__flow-rail {
  display: none;
  margin-bottom: 1.25rem;
}

@media (min-width: 840px) {
  .page-contact__flow-rail {
    display: block;
  }

  .page-contact__flow-rail svg {
    display: block;
    width: 100%;
    height: 24px;
    overflow: visible;
  }

  .page-contact__flow-rail circle {
    fill: var(--ochre);
  }
}

.page-contact__flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 840px) {
  .page-contact__flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.page-contact__step {
  position: relative;
  padding: 1.35rem 1.15rem 1.2rem;
  background: var(--pc-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease-stand), transform 0.22s var(--ease-stand);
}

.page-contact__step:hover {
  border-top-color: var(--ochre);
  transform: translateY(-3px);
}

.page-contact__step-num {
  display: block;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--ochre);
}

.page-contact__step h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--snow);
}

.page-contact__step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--pc-mute);
}

@media (min-width: 840px) {
  .page-contact__step + .page-contact__step::before {
    content: "";
    position: absolute;
    left: -0.65rem;
    top: 2.25rem;
    width: 0.65rem;
    height: 2px;
    background: var(--ochre);
    opacity: 0.55;
  }
}

/* ---------- 页尾条 ---------- */
.page-contact__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-contact__foot-line {
  max-width: 44rem;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--pc-note);
}

.page-contact__icp {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}
<<<END>>>