.page-contact {
  --pc-line: rgba(26, 21, 16, 0.18);
  --pc-light-line: rgba(201, 214, 207, 0.24);
  background: var(--cream);
  color: var(--ink);
}

.page-contact .section--dark {
  background: var(--forest);
  color: var(--cream);
}

.page-contact .section--dark .eyebrow {
  color: var(--cyan);
}

.page-contact .section--sand {
  background: var(--sand);
}

.page-contact .container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.15rem;
  box-sizing: border-box;
}

.page-contact__hero {
  padding-block: 2.25rem 2.75rem;
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  margin-bottom: 1.6rem;
}

.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

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

.page-contact .crumbs__sep {
  color: var(--gold);
}

.page-contact__hero-grid {
  display: grid;
  gap: 1.75rem;
}

.page-contact__hero-text h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0.35rem 0 0.9rem;
  color: var(--cream);
}

.page-contact__hero-text .lede {
  font-size: 1rem;
  line-height: 1.8;
  max-width: 34em;
  color: rgba(245, 239, 226, 0.82);
  margin: 0 0 1.4rem;
}

.page-contact__hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact__hero-panel {
  border: 2px solid var(--gold);
  background: linear-gradient(160deg, rgba(23, 69, 58, 0.95), rgba(14, 42, 35, 0.98));
  box-shadow: 6px 6px 0 rgba(56, 224, 204, 0.28);
  padding: 0.4rem 1.1rem;
}

.page-contact__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--pc-light-line);
}

.page-contact__stat:last-child {
  border-bottom: 0;
}

.page-contact__stat-label {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  flex: 0 0 auto;
}

.page-contact__stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: var(--cyan);
  text-align: right;
}

.page-contact .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.page-contact .section__head,
.page-contact__section-head {
  max-width: 46rem;
  margin-bottom: 1.9rem;
}

.page-contact__section-head h2,
.page-contact__intro-text h2,
.page-contact__grid-main h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.4rem 0 0.7rem;
}

.page-contact .section--dark .page-contact__section-head h2 {
  color: var(--cream);
}

.page-contact__section-head .lede,
.page-contact__intro-text .lede,
.page-contact__grid-main .lede {
  font-size: 0.98rem;
  line-height: 1.8;
  margin: 0;
  color: rgba(26, 21, 16, 0.78);
}

.page-contact .section--dark .page-contact__section-head .lede {
  color: rgba(245, 239, 226, 0.78);
}

/* ---------- 通道选择 ---------- */

.page-contact__intro {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.page-contact__intro-media {
  margin: 0;
}

.page-contact__intro-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 18 / 13;
  object-fit: cover;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .media__caption {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: rgba(26, 21, 16, 0.62);
}

.page-contact .section--dark .media__caption {
  color: rgba(245, 239, 226, 0.62);
}

.channel-switch {
  position: relative;
  display: grid;
  gap: 1.4rem;
}

.channel-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.channel-switch__labels {
  display: grid;
  gap: 0.9rem;
}

.channel-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.25rem 0.7rem;
  padding: 1.05rem 2.4rem 1.05rem 1.1rem;
  border: 2px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  transition: border-color 120ms var(--ease), box-shadow 120ms var(--ease), transform 120ms var(--ease);
}

.channel-card__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--orange);
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 0.15rem;
}

.channel-card__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.channel-card__desc {
  display: block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(26, 21, 16, 0.74);
}

.channel-card::after {
  content: "";
  position: absolute;
  top: 1.05rem;
  right: 1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mist);
  transition: background 120ms var(--ease), box-shadow 120ms var(--ease);
}

.channel-card:hover {
  border-color: var(--gold);
  transform: translateX(4px);
}

.page-contact #ch-advice:checked ~ .channel-switch__labels .channel-card[for="ch-advice"],
.page-contact #ch-fix:checked ~ .channel-switch__labels .channel-card[for="ch-fix"],
.page-contact #ch-partner:checked ~ .channel-switch__labels .channel-card[for="ch-partner"] {
  border-color: var(--gold);
  box-shadow: 6px 6px 0 var(--gold);
  transform: translateX(4px);
}

.page-contact #ch-advice:checked ~ .channel-switch__labels .channel-card[for="ch-advice"]::after,
.page-contact #ch-fix:checked ~ .channel-switch__labels .channel-card[for="ch-fix"]::after,
.page-contact #ch-partner:checked ~ .channel-switch__labels .channel-card[for="ch-partner"]::after {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 224, 204, 0.25);
}

.page-contact .channel-switch:has(#ch-advice:focus-visible) .channel-card[for="ch-advice"],
.page-contact .channel-switch:has(#ch-fix:focus-visible) .channel-card[for="ch-fix"],
.page-contact .channel-switch:has(#ch-partner:focus-visible) .channel-card[for="ch-partner"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.channel-switch__panels {
  position: relative;
}

.channel-panel {
  display: none;
  border: 2px solid var(--ink);
  background: var(--sand);
  box-shadow: var(--shadow-hard);
  padding: 1.25rem 1.2rem;
}

.page-contact #ch-advice:checked ~ .channel-switch__panels .channel-panel[data-panel="advice"],
.page-contact #ch-fix:checked ~ .channel-switch__panels .channel-panel[data-panel="fix"],
.page-contact #ch-partner:checked ~ .channel-switch__panels .channel-panel[data-panel="partner"] {
  display: block;
  animation: pc-fade 180ms var(--ease) both;
}

@keyframes pc-fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.channel-panel__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

.channel-panel__lead {
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0 0 0.9rem;
  color: rgba(26, 21, 16, 0.78);
}

.channel-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.channel-panel__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  border-top: 1px solid var(--pc-line);
  padding-top: 0.55rem;
}

.channel-panel__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.channel-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.channel-panel__list li:first-child::before {
  top: 0.55rem;
}

/* ---------- 材料准备 ---------- */

.page-contact__grid {
  display: grid;
  gap: 2rem;
}

.page-contact__checklist {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact__checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact__tick {
  width: 20px;
  height: 20px;
  color: var(--gold);
  margin-top: 0.15rem;
  flex: 0 0 auto;
}

.page-contact__checklist strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  margin-bottom: 0.2rem;
}

.page-contact__checklist span {
  display: block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(26, 21, 16, 0.74);
}

.page-contact__grid-aside {
  margin: 0;
}

.page-contact__grid-aside img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

/* ---------- 处理节奏 ---------- */

.page-contact__cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-contact__cadence li {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 0 1.1rem 1rem;
  border-bottom: 1px solid var(--pc-line);
  border-left: 4px solid var(--gold);
}

.page-contact__cadence-time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--forest-2);
}

.page-contact__cadence-note {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(26, 21, 16, 0.76);
  max-width: 52em;
}

/* ---------- 栏目共建 ---------- */

.page-contact__build {
  display: grid;
  gap: 1rem;
}

.page-contact__build-card {
  border: 2px solid var(--gold);
  background: linear-gradient(150deg, rgba(23, 69, 58, 0.9), rgba(14, 42, 35, 0.96));
  padding: 1.15rem 1.15rem 1.25rem;
  box-shadow: 6px 6px 0 rgba(56, 224, 204, 0.22);
}

.page-contact__build-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
  margin: 0.7rem 0 0.5rem;
  color: var(--cream);
}

.page-contact__build-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(245, 239, 226, 0.82);
}

.page-contact .tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border: 1px solid currentColor;
  text-transform: uppercase;
}

.page-contact .tag--gold {
  color: var(--gold);
}

.page-contact__build-meta {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--pc-light-line);
  display: grid;
  gap: 0.7rem;
}

.page-contact__build-meta p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.8);
  max-width: 56em;
}

.page-contact__build-meta strong {
  color: var(--cyan);
  font-weight: 500;
}

/* ---------- 联系方式 ---------- */

.page-contact__contact-grid {
  display: grid;
  gap: 0.85rem;
}

.page-contact__contact-item {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  background: var(--sand);
  border: 2px solid var(--ink);
  border-left: 5px solid var(--gold);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact__contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(26, 21, 16, 0.62);
}

.page-contact__contact-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact__contact-note {
  margin: 1.4rem 0 0;
  padding: 0.95rem 1.1rem;
  background: var(--cream);
  border: 2px dashed var(--gold);
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(26, 21, 16, 0.8);
  max-width: 62em;
}

.page-contact__contact-note a {
  color: var(--forest-2);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact__contact-note a:hover,
.page-contact__contact-note a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--cyan);
}

/* ---------- 按钮微交互 ---------- */

.page-contact .btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 0.7rem 1.15rem;
  text-decoration: none;
  border: 2px solid var(--gold);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease), color 120ms var(--ease), background 120ms var(--ease);
}

.page-contact .btn--gold {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .btn--ghost {
  background: transparent;
  color: var(--gold);
}

.page-contact .btn:hover,
.page-contact .btn:focus-visible {
  border-color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .btn--gold:hover,
.page-contact .btn--gold:focus-visible {
  background: var(--cyan);
  color: var(--forest);
}

.page-contact .btn--ghost:hover,
.page-contact .btn--ghost:focus-visible {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .container {
    padding-inline: 1.75rem;
  }

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

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

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

@media (min-width: 900px) {
  .page-contact__hero {
    padding-block: 3rem 3.5rem;
  }

  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: end;
  }

  .page-contact__intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 2.5rem;
    align-items: center;
  }

  .channel-switch {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 1.6rem;
    align-items: start;
  }

  .channel-switch__labels {
    gap: 1rem;
  }

  .page-contact__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact__checklist {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact__cadence li {
    grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1.5rem;
  }

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

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

@media (min-width: 1180px) {
  .page-contact .container {
    padding-inline: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation: none !important;
    transition: none !important;
  }
}
<<<END>>>