/* ===== 联系通道 · 页面专属样式 ===== */
.page-contact {
  position: relative;
  isolation: isolate;
  color: var(--paper);
  font-family: var(--font-sans);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(47, 74, 62, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 74, 62, 0.3) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.3;
}

/* —— 面包屑 —— */
.page-contact .breadcrumbs {
  padding-top: 28px;
}

.page-contact .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--stone);
}

.page-contact .breadcrumbs-list li:not(:first-child)::before {
  content: "/";
  margin: 0 8px;
  color: var(--moss);
}

.page-contact .crumb {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-contact .crumb-current {
  color: var(--silver);
}

/* —— 首屏 —— */
.page-contact .contact-hero {
  padding-top: 44px;
  padding-bottom: 8px;
}

.page-contact .contact-hero-head {
  max-width: 760px;
}

.page-contact .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-title {
  margin: 14px 0 0;
  font-size: clamp(40px, 10vw, 68px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-title::after {
  content: "";
  display: block;
  width: 88px;
  height: 2px;
  margin-top: 18px;
  background: var(--orange);
}

.page-contact .contact-lead {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

/* —— 工单式两栏 —— */
.page-contact .contact-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 44px;
}

.page-contact .channel {
  position: relative;
  background: var(--deep);
  border: var(--hair);
  padding: 22px 18px 20px 22px;
  margin-bottom: 16px;
  overflow: hidden;
}

.page-contact .channel:last-child {
  margin-bottom: 0;
}

.page-contact .channel-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
}

.page-contact .channel-label {
  margin: 0 0 10px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .channel-value {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--moss);
  font-family: var(--font-mono);
  font-size: clamp(17px, 5.2vw, 26px);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 14px;
  background: transparent;
  border: var(--hair);
  border-radius: 0;
  color: var(--cyan);
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: rgba(56, 242, 198, 0.12);
}

.page-contact .copy-btn[data-copied] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .copy-btn-action {
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .channel-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .arrive {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(47, 74, 62, 0.9);
}

.page-contact .arrive summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--silver);
  transition: color 0.2s var(--ease);
}

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

.page-contact .arrive summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .arrive[open] summary::before {
  content: "−";
}

.page-contact .arrive summary:hover {
  color: var(--cyan);
}

.page-contact .arrive p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone);
}

/* —— 清单卡 —— */
.page-contact .check-card {
  background: var(--deep);
  border: 1px solid var(--moss);
  border-top: 2px solid var(--cyan);
  padding: 24px 18px 22px;
}

.page-contact .check-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .check-title {
  margin: 0 0 22px;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

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

.page-contact .check-item {
  margin: 0;
}

.page-contact .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .check-label {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  cursor: pointer;
}

.page-contact .check-box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  border: 1px solid var(--moss);
  color: var(--stone);
  font-size: 12px;
  letter-spacing: 0.06em;
  transition: background-color 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .check-input:checked + .check-label .check-box {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .check-input:focus-visible + .check-label {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .check-name {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .check-desc {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-figure {
  margin: 26px 0 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.03);
}

/* —— 四类问题 —— */
.page-contact .contact-routing {
  padding-top: 64px;
}

.page-contact .section-head {
  max-width: 720px;
}

.page-contact .section-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .section-lead {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .route-tabs {
  position: relative;
  margin-top: 34px;
}

.page-contact .route-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: var(--hair);
}

.page-contact .route-label {
  margin-bottom: -1px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--stone);
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .route-label:hover {
  color: var(--paper);
}

.page-contact #route-login:checked ~ .route-labels .route-label[for="route-login"],
.page-contact #route-channel:checked ~ .route-labels .route-label[for="route-channel"],
.page-contact #route-score:checked ~ .route-labels .route-label[for="route-score"],
.page-contact #route-member:checked ~ .route-labels .route-label[for="route-member"] {
  background: var(--deep);
  border-color: var(--moss);
  color: var(--cyan);
}

.page-contact .route-panel {
  display: none;
  padding-top: 28px;
}

.page-contact #route-login:checked ~ .route-panels #panel-login,
.page-contact #route-channel:checked ~ .route-panels #panel-channel,
.page-contact #route-score:checked ~ .route-panels #panel-score,
.page-contact #route-member:checked ~ .route-panels #panel-member {
  display: block;
  animation: contact-panel-in 0.32s var(--ease);
}

@keyframes contact-panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .route-heading {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .route-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .route-steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .route-steps li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(47, 74, 62, 0.9);
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .route-steps li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-contact .route-steps .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .route-side {
  background: var(--deep);
  border: var(--hair);
  padding: 20px 18px;
}

.page-contact .route-side-title {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .route-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* —— 合作与资料 —— */
.page-contact .contact-coop {
  padding-top: 68px;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 36px;
  border-top: var(--hair);
}

.page-contact .coop-lead {
  margin: 16px 0 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .coop-intro .link-inline {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
}

.page-contact .coop-intro .link-inline:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .coop-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid rgba(47, 74, 62, 0.8);
}

.page-contact .coop-item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .coop-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clay);
  padding-top: 3px;
}

.page-contact .coop-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .coop-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* —— 服务地区 —— */
.page-contact .contact-region {
  padding-top: 68px;
  padding-bottom: 72px;
}

.page-contact .region-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  padding: 26px 18px;
  border: var(--hair);
  background: linear-gradient(155deg, var(--deep) 0%, var(--ink) 72%);
}

.page-contact .region-text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .region-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--moss);
  border: var(--hair);
}

.page-contact .region-fact {
  background: var(--deep);
  padding: 14px 10px;
}

.page-contact .region-fact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 20px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .region-fact-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--stone);
}

.page-contact .region-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(47, 74, 62, 0.9);
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .region-map {
  display: flex;
  justify-content: center;
}

.page-contact .region-map svg {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
}

.page-contact .contact-figure--region {
  margin-top: 32px;
}

/* —— 平板 —— */
@media (min-width: 700px) {
  .page-contact .contact-lead,
  .page-contact .section-lead,
  .page-contact .region-text {
    font-size: 16px;
  }

  .page-contact .channel {
    padding: 26px 24px 24px 28px;
  }

  .page-contact .check-card {
    padding: 28px 26px 26px;
  }

  .page-contact .region-panel {
    padding: 34px 30px;
    gap: 36px;
  }

  .page-contact .route-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-contact .coop-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 20px;
    padding: 24px 0;
  }
}

/* —— 桌面 —— */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: 60px;
  }

  .page-contact .contact-desk {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    margin-top: 52px;
  }

  .page-contact .contact-routing,
  .page-contact .contact-coop,
  .page-contact .contact-region {
    padding-top: 88px;
  }

  .page-contact .contact-region {
    padding-bottom: 96px;
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 64px;
    padding-top: 44px;
  }

  .page-contact .region-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    padding: 46px 48px;
  }

  .page-contact .region-map svg {
    max-width: 260px;
  }

  .page-contact .contact-figure--region {
    margin-top: 40px;
  }
}

/* —— 动效降级 —— */
@media (prefers-reduced-motion: reduce) {
  .page-contact .route-panel {
    animation: none;
  }

  .page-contact .copy-btn,
  .page-contact .check-box,
  .page-contact .route-label,
  .page-contact .crumb {
    transition: none;
  }
}