.page-contact {
  --pc-pad: clamp(56px, 8vw, 104px);
  --pc-card-pad: clamp(20px, 2.4vw, 30px);
  --pc-gap: clamp(18px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  padding-block: calc(var(--header-h) + clamp(24px, 6vw, 64px)) var(--pc-pad);
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(22, 105, 127, 0.12) 0%, rgba(220, 233, 239, 0.62) 52%, rgba(251, 250, 247, 0) 100%),
    linear-gradient(100deg, var(--c-snow) 0%, var(--c-mist) 100%);
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-primary) 46%, var(--c-deep) 100%);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-stone);
  margin-bottom: clamp(20px, 4vw, 40px);
}
.page-contact .breadcrumb__item {
  color: var(--c-stone);
  text-decoration: none;
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--c-mid);
}
.page-contact .breadcrumb a.breadcrumb__item:hover {
  color: var(--c-primary);
  text-decoration: underline;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-hero__title {
  font-size: clamp(2rem, 7.6vw, 3.5rem);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  margin: 6px 0 18px;
  max-width: 18ch;
}
.page-contact .pc-hero__sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-stone);
  margin-top: 14px;
  max-width: 42ch;
}
.page-contact .pc-hero .lede {
  font-size: clamp(1rem, 2.1vw, 1.12rem);
  line-height: 1.8;
  color: var(--c-ink);
  max-width: 40ch;
}
.page-contact .pc-hero .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pc-hero__side {
  align-self: start;
}
.page-contact .index-card {
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.4vw, 26px);
}
.page-contact .index-card__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-stone);
  margin: 0 0 14px;
}
.page-contact .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .index-list li + li {
  border-top: var(--line-hair);
}
.page-contact .index-list a {
  display: block;
  padding: 12px 2px 12px 18px;
  position: relative;
  color: var(--c-ink);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.18s, padding-left 0.18s;
}
.page-contact .index-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 2px;
  background: var(--c-gold);
  transform: translateY(-50%);
  transition: width 0.18s;
}
.page-contact .index-list a:hover {
  color: var(--c-primary);
  padding-left: 24px;
}
.page-contact .index-list a:hover::before {
  width: 15px;
}
.page-contact .pc-index__foot {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-stone);
  border-top: var(--line-hair);
  padding-top: 12px;
}
.page-contact .pc-index__foot a {
  color: var(--c-primary);
  text-decoration: underline;
}

/* ---------- 通用媒体块 ---------- */
.page-contact .pc-media {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
}
.page-contact .pc-media .media__inner {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.page-contact .pc-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .pc-media .media__caption {
  padding: 10px 14px;
  border-top: var(--line-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-stone);
}
.page-contact .pc-media--timeline .media__inner {
  aspect-ratio: 16 / 9;
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .pc-chan {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pc-card-pad);
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}
.page-contact .pc-chan:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
  border-color: var(--c-gold);
}
.page-contact .pc-chan__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--c-deep);
  background: var(--c-gold);
  color: var(--c-deep);
}
.page-contact .pc-chan .card__index {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-stone);
  margin: 0;
}
.page-contact .pc-chan .card__title {
  font-size: clamp(1.05rem, 2.2vw, 1.24rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
  margin: 0;
}
.page-contact .pc-chan .card__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
  margin: 0;
}
.page-contact .pc-chan .card__foot {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
  margin: 0;
  border-top: var(--line-hair);
  padding-top: 12px;
}
.page-contact .pc-chan__hint {
  opacity: 0.74;
  transition: opacity 0.2s ease;
}
.page-contact .pc-chan:hover .pc-chan__hint {
  opacity: 1;
}

.page-contact .pc-chan--mail {
  background: var(--c-primary);
  color: var(--c-snow);
}
.page-contact .pc-chan--mail .card__title {
  color: var(--c-snow);
}
.page-contact .pc-chan--mail .card__text,
.page-contact .pc-chan--mail .card__index,
.page-contact .pc-chan--mail .card__foot {
  color: rgba(251, 250, 247, 0.86);
}
.page-contact .pc-chan--mail .card__foot {
  border-top-color: rgba(251, 250, 247, 0.3);
}
.page-contact .pc-chan--phone {
  background: var(--c-mist);
}

.page-contact .pc-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 4px 0 0;
  padding: 10px 12px;
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  color: var(--c-ink);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  word-break: break-all;
}
.page-contact .pc-value--dark {
  background: rgba(251, 250, 247, 0.12);
  border-color: rgba(251, 250, 247, 0.62);
  color: var(--c-snow);
}
.page-contact .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border: 2px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.page-contact .copy-btn:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-deep);
}
.page-contact .copy-btn[data-copied] {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-deep);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-contact .pc-prep__intro .section__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.32;
  color: var(--c-ink);
  margin: 8px 0 14px;
}
.page-contact .pc-prep__intro .section__lead {
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-stone);
  max-width: 42ch;
}
.page-contact .pc-prep__tip {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-primary);
  border-left: 3px solid var(--c-gold);
  padding-left: 12px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .prep-item {
  margin: 0;
}
.page-contact .prep-check {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: 4px 4px 0 rgba(12, 53, 71, 0.1);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.page-contact .prep-check:hover {
  border-color: var(--c-primary);
  box-shadow: 6px 6px 0 rgba(12, 53, 71, 0.16);
}
.page-contact .prep-check__input {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin: 1px 0 0;
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  cursor: pointer;
  transition: background 0.18s, box-shadow 0.18s;
}
.page-contact .prep-check__input:checked {
  background: var(--c-gold);
  box-shadow: inset 0 0 0 4px var(--c-snow);
}
.page-contact .prep-check__input:focus-visible {
  outline: 2px solid var(--c-mid);
  outline-offset: 2px;
}
.page-contact .prep-check__body {
  display: grid;
  gap: 5px;
}
.page-contact .prep-check__no {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}
.page-contact .prep-check__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink);
}
.page-contact .prep-check__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ---------- 时间轴 ---------- */
.page-contact .pc-timeline-section .section__head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}
.page-contact .pc-timeline-section .section__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.32;
  color: var(--c-ink);
  margin: 8px 0 14px;
}
.page-contact .pc-timeline-section .section__lead {
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-stone);
  max-width: 58ch;
}

.page-contact .resp-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
  position: relative;
}
.page-contact .resp-step {
  position: relative;
  padding-top: 30px;
}
.page-contact .resp-step__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--c-deep);
  background: var(--c-gold);
}
.page-contact .resp-step__label {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-mid);
  margin: 0 0 6px;
}
.page-contact .resp-step__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-ink);
  margin: 0 0 8px;
  line-height: 1.4;
}
.page-contact .resp-step__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-stone);
  margin: 0;
}

/* ---------- 人工与自助 ---------- */
.page-contact .pc-scope-section .section__head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}
.page-contact .pc-scope-section .section__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.32;
  color: var(--c-ink);
  margin: 8px 0 14px;
}
.page-contact .pc-scope-section .section__lead {
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-stone);
  max-width: 52ch;
}
.page-contact .pc-scope {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .pc-scope__col {
  padding: clamp(20px, 2.6vw, 32px);
  border: 2px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
}
.page-contact .pc-scope__col--human {
  background: var(--c-snow);
  border-top: 6px solid var(--c-primary);
}
.page-contact .pc-scope__col--self {
  background: var(--c-mist);
  border-top: 6px solid var(--c-gold);
}
.page-contact .pc-scope__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  margin: 0 0 16px;
}
.page-contact .pc-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-scope__list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
  padding-left: 16px;
  position: relative;
}
.page-contact .pc-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--c-mid);
}
.page-contact .pc-scope__list strong {
  color: var(--c-ink);
  font-weight: 700;
  border-bottom: 2px solid var(--c-gold-lt);
}
.page-contact .pc-scope__list--links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding-left: 16px;
}
.page-contact .pc-scope__list--links a {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold-lt);
}
.page-contact .pc-scope__list--links a:hover {
  color: var(--c-deep);
  border-bottom-color: var(--c-gold);
}
.page-contact .pc-scope__list--links .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-stone);
}
.page-contact .pc-scope__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink);
  border-top: var(--line-hair);
  padding-top: 14px;
}

/* ---------- 底部引导 ---------- */
.page-contact .pc-cta-section {
  padding-bottom: clamp(64px, 9vw, 120px);
}
.page-contact .pc-cta {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 48px);
  background: var(--c-deep);
  color: var(--c-snow);
  border: 2px solid var(--c-deep);
  box-shadow: var(--shadow-float);
  position: relative;
  overflow: hidden;
}
.page-contact .pc-cta::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-mid) 60%, var(--c-indigo) 100%);
}
.page-contact .pc-cta__title {
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.36;
  color: var(--c-snow);
  margin: 0 0 12px;
}
.page-contact .pc-cta__lead {
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(251, 250, 247, 0.84);
  margin: 0;
  max-width: 54ch;
}
.page-contact .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-cta .btn--ghost {
  border: 2px solid var(--c-snow);
  color: var(--c-snow);
  background: transparent;
}
.page-contact .pc-cta .btn--ghost:hover {
  background: var(--c-snow);
  color: var(--c-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-media .media__inner,
  .page-contact .pc-media--timeline .media__inner {
    aspect-ratio: 3 / 1;
  }
  .page-contact .pc-media--timeline .media__inner {
    aspect-ratio: 14 / 5;
  }
  .page-contact .pc-channels {
    grid-template-columns: 1.32fr 1fr 1fr;
    align-items: start;
  }
  .page-contact .pc-scope {
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
  }
  .page-contact .pc-scope__col--self {
    margin-top: 32px;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: 0.86fr 1.14fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-contact .pc-hero__side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
  .page-contact .pc-hero__title {
    margin-top: 10px;
  }
  .page-contact .resp-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    padding-top: 4px;
  }
  .page-contact .resp-timeline::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 9px;
    right: 9px;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--c-mid) 0 14px, transparent 14px 24px);
  }
  .page-contact .resp-step {
    padding-top: 34px;
  }
  .page-contact .resp-step__dot {
    background: var(--c-gold);
    z-index: 1;
  }
  .page-contact .pc-cta {
    grid-template-columns: 1.6fr 1fr;
    align-items: center;
    gap: 32px;
  }
  .page-contact .pc-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-channels {
    grid-template-columns: 1.42fr 1fr 1.06fr;
  }
  .page-contact .pc-channels .pc-chan--phone {
    margin-top: 24px;
  }
  .page-contact .pc-channels .pc-chan--post {
    margin-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-chan,
  .page-contact .pc-chan__hint,
  .page-contact .copy-btn,
  .page-contact .prep-check,
  .page-contact .prep-check__input,
  .page-contact .index-list a,
  .page-contact .index-list a::before {
    transition: none;
  }
  .page-contact .pc-chan:hover {
    transform: none;
  }
}