.page-contact {
  --ct-card: rgba(22, 56, 95, 0.4);
  --ct-card-hover: rgba(22, 56, 95, 0.72);
  --ct-hair: rgba(42, 82, 124, 0.42);
  --ct-shadow: 0 16px 34px rgba(3, 11, 24, 0.45);
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-top: 26px;
}

/* 首屏 */
.page-contact .contact-hero {
  padding: 26px 0 46px;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: end;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 10px 0 20px;
}

.page-contact h1 .accent {
  color: var(--gold);
}

.page-contact .contact-lede {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.84;
  max-width: 52ch;
  margin: 0;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero-meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-contact .contact-hero-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .contact-hero-meta .mono {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .contact-hero-figure {
  margin: 0;
}

/* 章节标题 */
.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 8px 0 12px;
}

.page-contact .section-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
}

.page-contact .self-text {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 46ch;
}

/* 渠道 + 流程 双栏 */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  margin-top: 34px;
}

.page-contact .channel-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ct-card);
  transition: border-color 200ms var(--ease), background 200ms var(--ease),
    transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(228, 176, 74, 0));
  opacity: 0;
  transition: opacity 200ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--gold);
  background: var(--ct-card-hover);
  box-shadow: var(--ct-shadow);
  transform: translateY(-2px);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  opacity: 1;
}

.page-contact .channel-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .channel-idx {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .channel-head h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-contact .channel-value {
  font-size: 16.5px;
  color: var(--gold);
  margin: 16px 0 12px;
  word-break: break-word;
  letter-spacing: 0.01em;
}

.page-contact .channel-text {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.8;
  margin: 0;
}

.page-contact .channel-use {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--ct-hair);
  font-size: 13.5px;
  color: var(--muted);
}

/* 流程折叠条 */
.page-contact .flow-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .flow-step summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid var(--ct-hair);
  transition: border-color 180ms var(--ease);
}

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

.page-contact .flow-step summary:hover {
  border-bottom-color: var(--gold);
}

.page-contact .flow-step summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .flow-step summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

.page-contact .flow-step details[open] summary::after {
  content: "–";
  color: var(--gold);
}

.page-contact .flow-num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

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

.page-contact .flow-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
}

.page-contact .flow-desc {
  margin: 0 0 16px;
  padding-left: 46px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

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

/* 渠道对照表 */
.page-contact .pick-panel {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 28px 20px 22px;
  border: 1px solid rgba(10, 27, 51, 0.1);
  box-shadow: 0 10px 26px rgba(3, 11, 24, 0.3);
}

.page-contact .pick-panel .eyebrow {
  color: var(--gold-dim);
}

.page-contact .pick-panel h2 {
  color: var(--ink);
}

.page-contact .pick-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pick-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  margin-top: 18px;
  font-size: 14.5px;
}

.page-contact .pick-table th,
.page-contact .pick-table td {
  text-align: left;
  vertical-align: top;
  padding: 14px 14px 14px 0;
  line-height: 1.7;
  border-bottom: 1px solid rgba(10, 27, 51, 0.14);
}

.page-contact .pick-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #5A6E86;
  padding-top: 0;
  border-bottom-color: rgba(10, 27, 51, 0.28);
}

.page-contact .pick-table tbody th {
  font-weight: 600;
  color: var(--ink);
  width: 36%;
}

.page-contact .pick-table tbody td {
  color: #3C5069;
}

.page-contact .pick-table tbody tr:last-child th,
.page-contact .pick-table tbody tr:last-child td {
  border-bottom: none;
}

.page-contact .pick-table a {
  color: var(--gold-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pick-table a:hover {
  color: #6E4C0F;
}

/* 响应时间数据 */
.page-contact .stat-row {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .stat-cell {
  background: var(--ink);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-contact .stat-num {
  font-size: clamp(19px, 2.6vw, 25px);
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-contact .stat-label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .hours-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--jade);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 68ch;
}

/* 服务区域 */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-contact .region-card {
  padding: 22px;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(15, 40, 70, 0.95), rgba(10, 27, 51, 0.35));
}

.page-contact .region-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.page-contact .region-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .info-strip {
  margin-top: 26px;
  padding: 18px 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-contact .info-item {
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--muted);
}

/* 自助入口 */
.page-contact .self-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .help-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .help-links a {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px;
  background: var(--ink);
  text-decoration: none;
  transition: background 180ms var(--ease);
}

.page-contact .help-links a:hover,
.page-contact .help-links a:focus-visible {
  background: var(--steel);
}

.page-contact .help-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .help-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 中屏及以上 */
@media (min-width: 760px) {
  .page-contact .contact-hero {
    padding: 34px 0 58px;
  }

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

  .page-contact .pick-panel {
    padding: 34px 32px 26px;
  }

  .page-contact .stat-cell {
    padding: 26px 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-contact .self-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
    align-items: start;
  }

  .page-contact .channel-stack {
    gap: 18px;
  }
}

@media (min-width: 820px) {
  .page-contact .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-bottom: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .flow-num,
  .page-contact .flow-step summary,
  .page-contact .flow-step summary::after,
  .page-contact .help-links a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}