.page-contact {
  --pc-gap: 24px;
  --pc-grid-line: rgba(142, 154, 168, .18);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .wrap {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding: 20px 0 4px;
  font-size: var(--step-6);
  letter-spacing: .08em;
  color: var(--hair);
}

.page-contact .crumbs a {
  color: var(--hair);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  color: var(--green-hi);
}

.page-contact .crumbs__sep {
  margin: 0 8px;
  opacity: .6;
}

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

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: 24px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
}

.page-contact .pc-hero__lead h1 {
  margin: 12px 0 20px;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .pc-hero__lead .lede {
  max-width: 62ch;
  font-size: var(--step-4);
  line-height: 1.8;
  color: var(--paper-2);
  margin: 0 0 28px;
}

.page-contact .pc-hero__lead .kicker {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  color: var(--gold);
  font-family: var(--f-mono);
  font-size: var(--step-6);
  letter-spacing: .16em;
}

.page-contact .pc-hero__facts {
  display: grid;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  margin-bottom: 24px;
}

.page-contact .pc-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .pc-fact__k {
  flex: none;
  min-width: 3.2em;
  font-size: 30px;
  font-weight: 700;
  color: var(--green-hi);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-fact__v {
  font-size: var(--step-5);
  line-height: 1.6;
  color: var(--paper-2);
}

.page-contact .pc-hero__hint {
  font-size: var(--step-5);
  line-height: 1.75;
  color: var(--hair);
  margin: 0;
}

.page-contact .pc-hero__hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-hero__hint a:hover {
  color: var(--green-hi);
}

.page-contact .pc-hero__figure {
  margin: 0;
}

.page-contact .figure__img,
.page-contact .pc-hero__figure img,
.page-contact .pc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .pc-hero__figure img {
  aspect-ratio: 3 / 2;
}

.page-contact .figure__cap {
  margin-top: 10px;
  font-size: var(--step-6);
  letter-spacing: .06em;
  color: var(--hair);
  font-family: var(--f-mono);
}

/* ---------- 联络卡 ---------- */
.page-contact .pc-cards {
  display: grid;
  gap: 20px;
}

.page-contact .pc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  background: var(--paper);
  color: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  overflow: hidden;
}

.page-contact .pc-card--mail {
  border-top: 3px solid var(--gold);
}

.page-contact .pc-card--phone {
  border-top: 3px solid var(--green);
}

.page-contact .pc-card--addr {
  border-top: 3px solid var(--cyan);
}

.page-contact .pc-card--addr::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--pc-grid-line) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, var(--pc-grid-line) 0 1px, transparent 1px 24px);
  opacity: .7;
}

.page-contact .pc-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .pc-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .pc-card__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: .04em;
}

.page-contact .pc-card__title {
  margin: 0;
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .pc-card__value {
  margin: 0;
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.5;
  color: var(--green);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-card__value--addr {
  font-family: var(--f-sans);
  color: var(--ink-900);
  letter-spacing: .02em;
}

.page-contact .pc-card__desc {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .pc-card__meta {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--paper-2);
  display: grid;
  gap: 8px;
  font-size: var(--step-6);
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .pc-card__meta .mono {
  display: inline-block;
  min-width: 3.4em;
  margin-right: 8px;
  color: var(--green);
  letter-spacing: .1em;
}

.page-contact .pc-figure {
  margin: 32px 0 0;
}

.page-contact .pc-figure img {
  aspect-ratio: 10 / 7;
}

/* ---------- 邮件规范 ---------- */
.page-contact .pc-mail {
  align-items: start;
}

.page-contact .pc-mail__lead {
  font-size: var(--step-4);
  line-height: 1.8;
  color: var(--paper-2);
  margin: 0 0 24px;
}

.page-contact .pc-mail__h3 {
  margin: 28px 0 12px;
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
  padding-left: 14px;
  border-left: 3px solid var(--green);
}

.page-contact .pc-mail__guide p {
  font-size: var(--step-4);
  line-height: 1.8;
  color: var(--paper-2);
  margin: 0 0 12px;
}

.page-contact .pc-mail__example {
  margin: 0 0 10px;
  padding: 12px 14px;
  background: var(--ink-800);
  border-left: 2px solid var(--gold);
  font-size: var(--step-5);
  line-height: 1.6;
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

.page-contact .pc-checklist strong {
  display: block;
  color: var(--paper);
  font-size: var(--step-4);
  margin-bottom: 2px;
}

.page-contact .pc-check {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border: 1px solid var(--green-hi);
  background: rgba(53, 201, 122, .12);
}

.page-contact .pc-mail__aside {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 24px 22px;
}

.page-contact .pc-mail__aside-title {
  margin: 0 0 18px;
  font-size: var(--step-3);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .pc-aside__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-aside__row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-aside__k {
  font-size: var(--step-6);
  letter-spacing: .14em;
  color: var(--green-hi);
}

.page-contact .pc-aside__row p {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

.page-contact .pc-aside__row a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-aside__note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-aside__note p {
  margin: 0 0 16px;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

/* ---------- 咨询分类 ---------- */
.page-contact .pc-routes {
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-route {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-route .tag {
  justify-self: start;
}

.page-contact .pc-route__h3 {
  margin: 0 0 8px;
  font-size: var(--step-4);
  font-weight: 800;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-contact .pc-route__body p {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

.page-contact .pc-route__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-route__body a:hover {
  color: var(--green-hi);
}

.page-contact .pc-route__eta {
  font-size: var(--step-6);
  letter-spacing: .08em;
  color: var(--green-hi);
}

/* ---------- 机构对接 ---------- */
.page-contact .pc-org__intro p {
  font-size: var(--step-4);
  line-height: 1.8;
  color: var(--paper-2);
  margin: 0 0 18px;
}

.page-contact .pc-org__box {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 16px 18px;
  margin-bottom: 14px;
  border-left: 2px solid var(--green);
}

.page-contact .pc-org__box-k {
  display: block;
  font-size: var(--step-6);
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-contact .pc-org__box p {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

.page-contact .pc-org__tip {
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--hair);
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 8px;
}

.page-contact .pc-step {
  position: relative;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 20px;
  width: 9px;
  height: 9px;
  background: var(--ink-900);
  border: 2px solid var(--green);
  box-sizing: content-box;
}

.page-contact .pc-step details {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-step summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-step summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-step__num {
  font-size: var(--step-5);
  font-weight: 700;
  color: var(--green-hi);
  letter-spacing: .08em;
}

.page-contact .pc-step__name {
  font-size: var(--step-4);
  font-weight: 800;
  color: var(--paper);
  flex: 1 1 auto;
}

.page-contact .pc-step__hint {
  font-size: var(--step-6);
  letter-spacing: .1em;
  color: var(--hair);
}

.page-contact .pc-step details[open] .pc-step__name {
  color: var(--gold);
}

.page-contact .pc-step__body {
  padding: 0 4px 18px;
}

.page-contact .pc-step__body p {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
}

/* ---------- 服务地区 ---------- */
.page-contact .pc-cover {
  display: grid;
  gap: 32px;
}

.page-contact .pc-cover__text p {
  font-size: var(--step-4);
  line-height: 1.85;
  color: var(--paper-2);
  margin: 0 0 16px;
}

.page-contact .pc-cover__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-cover__text a:hover {
  color: var(--green-hi);
}

.page-contact .pc-cover__stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .pc-stat {
  background: var(--ink-800);
  padding: 20px 18px;
  display: grid;
  gap: 6px;
}

.page-contact .pc-stat__n {
  font-size: 34px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-stat__n small {
  font-size: 15px;
  margin-left: 2px;
  color: var(--gold-soft);
}

.page-contact .pc-stat__l {
  font-size: var(--step-5);
  line-height: 1.6;
  color: var(--paper-2);
}

/* ---------- 底部行动 ---------- */
.page-contact .pc-cta__box {
  display: grid;
  gap: 24px;
  padding: 28px 24px;
  background: linear-gradient(104deg, var(--ink-700) 0%, var(--ink-800) 100%);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 2px;
}

.page-contact .pc-cta__title {
  margin: 0 0 10px;
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .pc-cta__text p {
  margin: 0;
  font-size: var(--step-5);
  line-height: 1.8;
  color: var(--paper-2);
  max-width: 60ch;
}

.page-contact .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 返回顶部 ---------- */
.page-contact .pc-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  background: var(--ink-700);
  color: var(--gold);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .18s ease-out, transform .18s ease-out, visibility .18s;
}

.page-contact .pc-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-contact .pc-top:hover {
  border-color: var(--gold);
}

.page-contact .pc-top__arrow {
  font-size: 20px;
  line-height: 1;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .pc-cta__box {
    padding: 32px 32px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .page-contact .pc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-cards {
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: 20px;
  }

  .page-contact .pc-route {
    grid-template-columns: 170px minmax(0, 1fr) 130px;
    align-items: start;
    gap: 24px;
    padding: 26px 0;
  }

  .page-contact .pc-route__eta {
    text-align: right;
    padding-top: 4px;
  }

  .page-contact .pc-cover {
    grid-template-columns: 6fr 6fr;
    gap: 40px;
    align-items: start;
  }

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

  .page-contact .pc-cta__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 36px 40px;
  }

  .page-contact .pc-top {
    right: 28px;
    bottom: 28px;
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-mail__guide {
    padding-right: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-top {
    transition: none;
    transform: none;
  }
}
<<<END>>>