.page-contact {
  padding-bottom: 80px;
}

.page-contact .contact-shell {
  padding-top: 28px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-lede {
  margin-top: 22px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-contact .contact-kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-lede h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: #ffffff;
}

.page-contact .contact-lede-text {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 渠道信息板 ---------- */
.page-contact .contact-board {
  margin-top: 46px;
}

.page-contact .contact-board-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 32px);
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: #ffffff;
}

.page-contact .contact-board-grid {
  display: grid;
  gap: 14px;
}

.page-contact .contact-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
}

.page-contact .contact-card--dark {
  background: var(--ink-700);
  border: 1px solid var(--line);
}

.page-contact .contact-card--dark .contact-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: grayscale(0.35) contrast(1.08);
}

.page-contact .contact-card--dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(14, 15, 18, 0.5), rgba(14, 15, 18, 0.94) 68%);
}

.page-contact .contact-card-inner {
  position: relative;
  z-index: 1;
  padding: 24px 20px 26px;
  display: grid;
  gap: 20px;
}

.page-contact .contact-card-index,
.page-contact .address-index,
.page-contact .prep-index,
.page-contact .partner-index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-card-index::before,
.page-contact .address-index::before,
.page-contact .prep-index::before,
.page-contact .partner-index::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--orange);
}

.page-contact .address-index::before,
.page-contact .prep-index::before {
  background: var(--orange-lo);
}

.page-contact .channel {
  display: grid;
  gap: 6px;
}

.page-contact .channel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(15px, 3.9vw, 19px);
  line-height: 1.4;
  color: var(--orange-hi);
  word-break: break-all;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .channel-scope {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 浅色地址卡 */
.page-contact .contact-card--paper {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  color: var(--paper-ink);
  padding: 24px 20px 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-card--paper .address-index {
  color: var(--mid);
}

.page-contact .address-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-contact .address-line {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--paper-ink);
}

.page-contact .address-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
}

.page-contact .address-map {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 4px;
}

.page-contact .address-map .am-road {
  fill: none;
  stroke: var(--paper-line);
  stroke-width: 1.2;
}

.page-contact .address-map .am-diag {
  fill: none;
  stroke: var(--paper-line);
  stroke-width: 1;
  stroke-dasharray: 5 6;
}

.page-contact .address-map .am-ring {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.2;
  opacity: 0.7;
}

.page-contact .address-map .am-pin {
  fill: var(--orange);
}

.page-contact .address-photo {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 168px;
  object-fit: cover;
  margin-top: 2px;
}

/* ---------- 分流图 ---------- */
.page-contact .contact-router {
  margin: 44px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .router-frame {
  overflow-x: auto;
}

.page-contact .router-svg {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-contact .router-svg .rn-box {
  fill: rgba(26, 28, 33, 0.9);
  stroke: var(--line);
  stroke-width: 1;
}

.page-contact .router-svg .rn-box--accent {
  fill: rgba(255, 90, 31, 0.08);
  stroke: var(--orange);
}

.page-contact .router-svg .rn-text {
  fill: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-contact .router-svg .rn-text--strong {
  fill: #ffffff;
  font-size: 16px;
}

.page-contact .router-svg .rn-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .router-svg .rn-wire {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.2;
}

.page-contact .router-svg .rn-dot {
  fill: var(--cyan);
}

.page-contact .contact-router figcaption {
  margin-top: 12px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问题类型切换 ---------- */
.page-contact .contact-triage {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .triage {
  margin-top: 22px;
}

.page-contact .triage-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}

.page-contact .triage-tabs .tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .triage-tabs .tab:hover {
  color: var(--text);
}

.page-contact .triage-tabs .tab[aria-selected="true"] {
  color: #ffffff;
  border-bottom-color: var(--orange);
}

.page-contact .triage-tabs .tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-contact .tabpanel {
  margin-top: 20px;
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
}

.page-contact .tabpanel[hidden] {
  display: none;
}

.page-contact .tabpanel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-contact .tabpanel p {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .triage-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .triage-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .triage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .triage-route {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted) !important;
}

.page-contact .triage-route strong {
  color: var(--orange-hi);
  font-weight: 600;
}

.page-contact .tabpanel a {
  color: var(--orange-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 135, 87, 0.4);
}

.page-contact .tabpanel a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 准备清单 + 常见问题 ---------- */
.page-contact .contact-prep {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 26px;
}

.page-contact .prep-panel {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  padding: 24px 20px;
  color: var(--paper-ink);
}

.page-contact .prep-panel .prep-index {
  color: var(--mid);
}

.page-contact .prep-panel h2 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 28px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--paper-ink);
}

.page-contact .prep-intro {
  margin: 0 0 20px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
}

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

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .prep-box {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1.5px solid var(--orange);
  border-radius: 2px;
  background: rgba(255, 90, 31, 0.08);
}

.page-contact .prep-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-ink);
}

.page-contact .prep-text strong {
  font-weight: 700;
}

.page-contact .prep-side h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 28px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.page-contact .prep-side-intro {
  margin: 0 0 18px;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .faq-links li {
  display: grid;
  gap: 8px;
  padding: 16px 16px 14px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .faq-links li:hover {
  border-color: var(--orange);
  background: var(--panel);
}

.page-contact .faq-links a {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
}

.page-contact .faq-links li:hover a {
  color: #ffffff;
}

.page-contact .faq-links .tag {
  justify-self: start;
}

/* ---------- 合作联络 ---------- */
.page-contact .contact-partner {
  margin-top: 48px;
  padding: 26px 20px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: 4px;
  background: var(--ink-850);
}

.page-contact .contact-partner h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.018em;
  color: #ffffff;
}

.page-contact .partner-grid {
  margin-top: 20px;
  display: grid;
  gap: 20px;
}

.page-contact .partner-text {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--text);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .partner-list strong {
  color: #ffffff;
  font-weight: 600;
}

.page-contact .partner-foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .partner-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .partner-actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-card-inner {
    padding: 30px 28px 32px;
  }

  .page-contact .contact-card--paper {
    padding: 30px 28px 0;
  }

  .page-contact .address-photo {
    height: 220px;
  }

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

  .page-contact .prep-panel {
    padding: 30px 28px;
  }

  .page-contact .contact-partner {
    padding: 32px 30px 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-shell {
    padding-top: 40px;
  }

  .page-contact .contact-lede {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 34px;
  }

  .page-contact .contact-board-grid {
    grid-template-columns: 5fr 6fr;
    gap: 18px;
    align-items: stretch;
  }

  .page-contact .contact-card--paper {
    padding-bottom: 0;
  }

  .page-contact .address-photo {
    height: 100%;
    min-height: 180px;
  }

  .page-contact .contact-router {
    margin-top: 56px;
  }

  .page-contact .triage {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .triage-tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .triage-tabs .tab {
    text-align: left;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin: 0 0 0 -1px;
    padding: 14px 16px;
    font-size: 16px;
  }

  .page-contact .triage-tabs .tab[aria-selected="true"] {
    border-left-color: var(--orange);
    background: rgba(255, 90, 31, 0.07);
  }

  .page-contact .tabpanel {
    margin-top: 0;
  }

  .page-contact .contact-prep {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: 5fr 6fr;
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-board-grid {
    grid-template-columns: 5fr 6fr;
  }

  .page-contact .address-photo {
    min-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .triage-tabs .tab,
  .page-contact .faq-links li {
    transition: none;
  }
}