.page-contact {
  --pc-gap: clamp(0.9rem, 2vw, 1.25rem);
  --pc-card-pad: clamp(1.15rem, 2.4vw, 1.75rem);
  background: var(--snow);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-h) + clamp(1.6rem, 4vw, 2.8rem));
  padding-bottom: clamp(2.2rem, 5vw, 3.4rem);
  background:
    radial-gradient(75% 70% at 94% 4%, rgba(224, 122, 63, 0.18), transparent 62%),
    radial-gradient(85% 85% at 2% -8%, rgba(15, 110, 140, 0.24), transparent 64%),
    linear-gradient(178deg, var(--mist) 0%, #EEF6F8 52%, var(--snow) 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-radial-gradient(
    circle at 88% 120%,
    transparent 0 40px,
    rgba(15, 110, 140, 0.09) 40px 41px
  );
  pointer-events: none;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--line-strong);
}

.page-contact .breadcrumb a {
  color: var(--lake-deep);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--sand-deep);
}

.page-contact h1 {
  margin: 0.4rem 0 0;
  max-width: 20ch;
  font-size: clamp(1.95rem, 5.4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--lake-deep);
}

.page-contact .lede {
  margin-top: 1rem;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 2rem;
  margin: 2rem 0 0;
  padding: 1.2rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 8rem;
}

.page-contact .meta-num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--lake);
}

.page-contact .meta-label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 入口与自查 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  align-items: start;
}

.page-contact .pc-split-main p {
  margin: 0.9rem 0 0;
  max-width: 60ch;
  line-height: 1.9;
  color: var(--slate);
}

.page-contact .pc-split-main a {
  color: var(--lake);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.page-contact .pc-split-main a:hover {
  color: var(--sand-deep);
  text-decoration-color: var(--sand-deep);
}

.page-contact .pc-aside {
  border-radius: var(--radius-l);
  padding: var(--pc-card-pad);
  border: 1px solid rgba(224, 122, 63, 0.28);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-aside h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sand-deep);
}

.page-contact .pc-aside-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .pc-aside-list li {
  display: flex;
  gap: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-aside-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.6rem;
  border-radius: 50%;
  background: var(--sand);
}

.page-contact .pc-aside-foot {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--sand-deep);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .pc-channels {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, var(--snow) 0%, #F4F9FA 58%, var(--snow) 100%);
}

.page-contact .channel-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .channel-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .pc-channels::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(252, 253, 253, 0.9), rgba(252, 253, 253, 0.72));
  pointer-events: none;
}

.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.page-contact .pc-head-note {
  margin: 0.9rem 0 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: var(--pc-card-pad);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-glass {
  background: rgba(232, 241, 244, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: rgba(15, 110, 140, 0.22);
}

.page-contact .channel-solid {
  background: var(--snow);
}

.page-contact .channel-card--phone {
  background: linear-gradient(160deg, var(--sand-mist), #FBF1E7);
  border-color: rgba(224, 122, 63, 0.35);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-value {
  margin: 0.15rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--lake-deep);
  overflow-wrap: anywhere;
}

.page-contact .channel-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid rgba(224, 122, 63, 0.45);
  padding-bottom: 0.1rem;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel-value a:hover {
  color: var(--sand-deep);
  border-bottom-color: var(--sand-deep);
}

.page-contact .channel-value--text {
  font-size: clamp(1rem, 1.9vw, 1.18rem);
}

.page-contact .channel-desc {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .channel-foot {
  margin: auto 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(168, 73, 28, 0.28);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--sand-deep);
}

/* ---------- 提交清单 ---------- */
.page-contact .pc-check-grid {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
  align-items: start;
}

.page-contact .pc-intro {
  margin: 0.8rem 0 0;
  max-width: 52ch;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .checklist {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 1.3rem 2.2rem minmax(0, 1fr);
  gap: 0.2rem 0.65rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .check-input {
  grid-column: 1;
  grid-row: 1;
  appearance: none;
  -webkit-appearance: none;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.28rem 0 0;
  border: 1.5px solid var(--line-strong);
  border-radius: 6px;
  background: var(--snow);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.page-contact .check-input:checked {
  background: var(--sand);
  border-color: var(--sand);
  box-shadow: inset 0 0 0 3px var(--snow);
}

.page-contact .check-input:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 2px;
}

.page-contact .check-num {
  grid-column: 2;
  grid-row: 1;
  padding-top: 0.32rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--sand-deep);
}

.page-contact .check-body {
  grid-column: 3;
  display: block;
  cursor: pointer;
}

.page-contact .check-title {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.page-contact .check-desc {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .check-item:has(.check-input:checked) .check-title {
  color: var(--ok);
}

.page-contact .ready-tip {
  margin: 1.2rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-s);
  border-left: 3px solid var(--lake);
  background: var(--mist);
  color: var(--lake-deep);
  font-size: 0.86rem;
  line-height: 1.7;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact
  .checklist:not(:has(.check-input:not(:checked)))
  ~ .ready-tip {
  background: rgba(46, 139, 107, 0.14);
  border-left-color: var(--ok);
  color: var(--ink);
}

.page-contact .pc-check-media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--mist), #EFF7F9);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-check-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-caption {
  display: block;
  padding: 0.9rem 1.1rem;
  background: rgba(252, 253, 253, 0.82);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 流程带 ---------- */
.page-contact .pc-flow {
  background: linear-gradient(180deg, var(--snow) 0%, #F2F8F9 100%);
}

.page-contact .flow-band {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-contact .flow-step {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: var(--snow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .flow-step:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 2px;
}

.page-contact .flow-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-contact .flow-step:nth-child(1) {
  background: #E9F3F6;
}

.page-contact .flow-step:nth-child(2) {
  background: var(--sand-mist);
  border-color: rgba(224, 122, 63, 0.28);
}

.page-contact .flow-step:nth-child(3) {
  background: linear-gradient(160deg, var(--lake), var(--lake-deep));
  border-color: rgba(10, 75, 96, 0.5);
  color: var(--snow);
}

.page-contact .flow-step:nth-child(4) {
  background: #EFF6F8;
}

.page-contact .flow-step:nth-child(5) {
  background: var(--lake-deep);
  border-color: rgba(10, 75, 96, 0.6);
  color: var(--snow);
}

.page-contact .flow-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--sand-deep);
}

.page-contact .flow-step:nth-child(3) .flow-num,
.page-contact .flow-step:nth-child(5) .flow-num {
  color: #F2B78F;
}

.page-contact .flow-title {
  margin: 0.35rem 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: inherit;
}

.page-contact .flow-desc {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .flow-step:nth-child(3) .flow-desc,
.page-contact .flow-step:nth-child(5) .flow-desc {
  color: rgba(252, 253, 253, 0.78);
}

.page-contact .flow-more {
  margin: 0.5rem 0 0;
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--slate);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease);
}

.page-contact .flow-step:nth-child(3) .flow-more,
.page-contact .flow-step:nth-child(5) .flow-more {
  color: rgba(252, 253, 253, 0.68);
}

.page-contact .flow-step:hover .flow-more,
.page-contact .flow-step:focus-within .flow-more,
.page-contact .flow-step:focus .flow-more {
  max-height: 6rem;
  opacity: 1;
}

.page-contact .pc-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .pc-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: var(--snow);
}

.page-contact .pc-stat-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--lake);
}

.page-contact .pc-stat-label {
  font-size: 0.8rem;
  color: var(--slate);
}

/* ---------- 合作与事务 ---------- */
.page-contact .pc-biz-grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.2rem);
}

.page-contact .pc-biz-card {
  padding: clamp(1.3rem, 3vw, 2.2rem);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--snow);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-biz-card p {
  margin: 0.9rem 0 1.4rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .pc-biz-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .pc-biz-list li {
  padding-left: 1rem;
  border-left: 2px solid rgba(224, 122, 63, 0.5);
}

.page-contact .pc-biz-list h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--lake-deep);
}

.page-contact .pc-biz-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 服务范围 ---------- */
.page-contact .pc-coverage {
  position: relative;
  isolation: isolate;
  background: linear-gradient(168deg, var(--lake-deep) 0%, var(--ink) 100%);
  color: rgba(252, 253, 253, 0.9);
}

.page-contact .pc-coverage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(232, 241, 244, 0.06) 0 1px,
    transparent 1px 46px
  );
  pointer-events: none;
}

.page-contact .pc-coverage .eyebrow {
  color: rgba(252, 253, 253, 0.7);
}

.page-contact .pc-coverage .section-title {
  color: var(--snow);
}

.page-contact .pc-cov-lede {
  margin: 0.9rem 0 0;
  max-width: 58ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(252, 253, 253, 0.76);
}

.page-contact .pc-cov-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.6rem;
}

.page-contact .pc-cov-item {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-m);
  border: 1px solid rgba(232, 241, 244, 0.22);
  background: rgba(232, 241, 244, 0.1);
}

.page-contact .pc-cov-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #F2B78F;
}

.page-contact .pc-cov-item p {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: rgba(252, 253, 253, 0.78);
}

.page-contact .pc-cov-note {
  margin: 1.6rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(252, 253, 253, 0.74);
}

.page-contact .pc-cov-note a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-color: rgba(242, 183, 143, 0.7);
  text-underline-offset: 3px;
}

.page-contact .pc-cov-note a:hover {
  color: #F2B78F;
}

.page-contact .pc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

.page-contact .pc-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(232, 241, 244, 0.32);
  color: var(--snow);
  text-decoration: none;
  font-size: 0.84rem;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .pc-link:hover {
  background: rgba(232, 241, 244, 0.16);
  border-color: rgba(232, 241, 244, 0.62);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-contact .channel-card--mail {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .channel-card--phone {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .channel-card--biz {
    grid-column: 1;
    grid-row: 2;
  }

  .page-contact .channel-card--addr {
    grid-column: 2;
    grid-row: 2;
  }

  .page-contact .pc-check-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-contact .flow-band {
    flex-direction: row;
    align-items: stretch;
  }

  .page-contact .flow-step:nth-child(1) {
    flex: 1.35 1 0;
  }

  .page-contact .flow-step:nth-child(2) {
    flex: 0.92 1 0;
  }

  .page-contact .flow-step:nth-child(3) {
    flex: 1.7 1 0;
  }

  .page-contact .flow-step:nth-child(4) {
    flex: 0.92 1 0;
  }

  .page-contact .flow-step:nth-child(5) {
    flex: 0.82 1 0;
  }

  .page-contact .pc-biz-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (max-width: 899px) {
  .page-contact .flow-more {
    max-height: none;
    opacity: 1;
    margin-top: 0.45rem;
  }

  .page-contact .pc-check-media {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .flow-step,
  .page-contact .flow-more,
  .page-contact .ready-tip,
  .page-contact .pc-link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .flow-step:hover {
    transform: none;
  }
}