/* ============================================================
   联系我们 · page-contact
   ============================================================ */

.page-contact {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
  color: var(--paper);
}

.page-contact h1 {
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
}

.page-contact h2 {
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 700;
}

.page-contact h3 {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 700;
}

.page-contact p {
  margin: 0;
}

/* ---------- 面包屑 ---------- */

.page-contact .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .crumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

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

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-top: clamp(104px, 15vw, 164px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-contact .intro-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .intro-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .intro-copy h1 {
  max-width: 18em;
}

.page-contact .intro-copy .lede {
  margin-top: clamp(16px, 2vw, 22px);
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .intro-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 0 var(--layer);
}

.page-contact .fact-row {
  display: grid;
  gap: 4px;
  padding: 15px 18px;
  background: var(--field);
}

.page-contact .fact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .fact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

@media (min-width: 900px) {
  .page-contact .intro-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

/* ---------- 渠道区 ---------- */

.page-contact .channel-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .index-head {
  margin-bottom: 12px;
  color: var(--mist);
}

.page-contact .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 14px;
  background: var(--layer);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-contact .index-link:hover,
.page-contact .index-link:focus-visible {
  border-color: var(--lime);
  background: var(--field);
}

.page-contact .index-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .index-name {
  font-size: 14px;
  font-weight: 600;
}

.page-contact .index-scope {
  grid-column: 2;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .channel-cards {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--layer);
  transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 34px;
  background: var(--lime);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within,
.page-contact .channel-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 8px 8px 0 0 var(--layer), 0 0 0 2px rgba(198, 255, 61, 0.28);
  outline: none;
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .channel-head .card-title {
  margin: 0;
}

.page-contact .channel-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .channel-value {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.45;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .channel-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .city-figure .figure-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .city-figure img,
.page-contact .response-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

@media (min-width: 1024px) {
  .page-contact .channel-layout {
    grid-template-columns: 172px minmax(0, 1fr) 296px;
    align-items: start;
  }
}

/* ---------- 受理时段 ---------- */

.page-contact .response-band {
  padding-top: clamp(44px, 7vw, 84px);
}

.page-contact .response-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-contact .timeline-panel {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--field) 0%, var(--ink) 100%);
}

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

.page-contact .tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 58px 14px minmax(0, 1fr);
  column-gap: 16px;
  padding: 14px 0;
}

.page-contact .tl-item::before {
  content: "";
  position: absolute;
  left: 81px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .tl-item:first-child::before {
  top: 26px;
}

.page-contact .tl-item:last-child::before {
  bottom: auto;
  height: 26px;
}

.page-contact .tl-time {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  padding-top: 3px;
}

.page-contact .tl-dot {
  width: 11px;
  height: 11px;
  margin-top: 7px;
  justify-self: center;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--ink);
}

.page-contact .tl-title {
  font-size: 16px;
  transition: color var(--fast) var(--ease);
}

.page-contact .tl-text {
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .tl-hint {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 10px;
}

.page-contact .tl-item:hover .tl-title {
  color: var(--lime);
}

.page-contact .peak-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 16px;
  border: 1px dashed var(--line);
  background: rgba(255, 122, 47, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .peak-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--orange);
}

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

.page-contact .response-figure .figure-media {
  aspect-ratio: 5 / 4;
  overflow: hidden;
}

@media (min-width: 1000px) {
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 对外协作 ---------- */

.page-contact .collab-grid {
  display: grid;
  gap: 16px;
}

.page-contact .collab-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--layer);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-contact .collab-card .card-title {
  margin: 0;
}

.page-contact .collab-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .card-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .text-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 到访与邮寄 ---------- */

.page-contact .visit-grid {
  display: grid;
  gap: 20px;
}

.page-contact .visit-lede {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .visit-text {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
  max-width: 62ch;
}

.page-contact .visit-details {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  align-self: start;
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

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

.page-contact .visit-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--lime);
  transition: transform var(--fast) var(--ease);
}

.page-contact .visit-details[open] summary::after {
  content: "−";
}

.page-contact .visit-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .visit-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .visit-list li::marker {
  color: var(--orange);
}

@media (min-width: 900px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

/* ---------- 常见联系问题 ---------- */

.page-contact .faq-grid {
  display: grid;
  gap: 12px;
}

.page-contact .faq-item {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  transition: border-color var(--fast) var(--ease);
}

.page-contact .faq-item:hover,
.page-contact .faq-item[open] {
  border-color: var(--lime);
}

.page-contact .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-contact .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--lime);
}

.page-contact .faq-item[open] summary::after {
  content: "−";
}

.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .faq-item p {
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 820px) {
  .page-contact .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */

.page-contact .contact-cta {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-contact .cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: linear-gradient(115deg, var(--field) 0%, var(--layer) 70%);
  box-shadow: 12px 12px 0 0 var(--layer);
}

.page-contact .cta-copy p {
  margin-top: 12px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

@media (min-width: 900px) {
  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, auto);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</final_thought>

/* ============================================================
   联系我们 · page-contact
   ============================================================ */

.page-contact {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
  color: var(--paper);
}

.page-contact h1 {
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
}

.page-contact h2 {
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 700;
}

.page-contact h3 {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 700;
}

.page-contact p {
  margin: 0;
}

/* ---------- 面包屑 ---------- */

.page-contact .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .crumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

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

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-top: clamp(104px, 15vw, 164px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-contact .intro-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .intro-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .intro-copy h1 {
  max-width: 18em;
}

.page-contact .intro-copy .lede {
  margin-top: clamp(16px, 2vw, 22px);
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .intro-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 0 var(--layer);
}

.page-contact .fact-row {
  display: grid;
  gap: 4px;
  padding: 15px 18px;
  background: var(--field);
}

.page-contact .fact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .fact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

@media (min-width: 900px) {
  .page-contact .intro-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

/* ---------- 渠道区 ---------- */

.page-contact .channel-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .index-head {
  margin-bottom: 12px;
  color: var(--mist);
}

.page-contact .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 14px;
  background: var(--layer);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-contact .index-link:hover,
.page-contact .index-link:focus-visible {
  border-color: var(--lime);
  background: var(--field);
}

.page-contact .index-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .index-name {
  font-size: 14px;
  font-weight: 600;
}

.page-contact .index-scope {
  grid-column: 2;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .channel-cards {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--layer);
  transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 34px;
  background: var(--lime);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within,
.page-contact .channel-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 8px 8px 0 0 var(--layer), 0 0 0 2px rgba(198, 255, 61, 0.28);
  outline: none;
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .channel-head .card-title {
  margin: 0;
}

.page-contact .channel-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .channel-value {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.45;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .channel-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .city-figure .figure-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .city-figure img,
.page-contact .response-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

@media (min-width: 1024px) {
  .page-contact .channel-layout {
    grid-template-columns: 172px minmax(0, 1fr) 296px;
    align-items: start;
  }
}

/* ---------- 受理时段 ---------- */

.page-contact .response-band {
  padding-top: clamp(44px, 7vw, 84px);
}

.page-contact .response-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-contact .timeline-panel {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--field) 0%, var(--ink) 100%);
}

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

.page-contact .tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 58px 14px minmax(0, 1fr);
  column-gap: 16px;
  padding: 14px 0;
}

.page-contact .tl-item::before {
  content: "";
  position: absolute;
  left: 81px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .tl-item:first-child::before {
  top: 26px;
}

.page-contact .tl-item:last-child::before {
  bottom: auto;
  height: 26px;
}

.page-contact .tl-time {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  padding-top: 3px;
}

.page-contact .tl-dot {
  width: 11px;
  height: 11px;
  margin-top: 7px;
  justify-self: center;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--ink);
}

.page-contact .tl-title {
  font-size: 16px;
  transition: color var(--fast) var(--ease);
}

.page-contact .tl-text {
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .tl-hint {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 10px;
}

.page-contact .tl-item:hover .tl-title {
  color: var(--lime);
}

.page-contact .peak-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 16px;
  border: 1px dashed var(--line);
  background: rgba(255, 122, 47, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .peak-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--orange);
}

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

.page-contact .response-figure .figure-media {
  aspect-ratio: 5 / 4;
  overflow: hidden;
}

@media (min-width: 1000px) {
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 对外协作 ---------- */

.page-contact .collab-grid {
  display: grid;
  gap: 16px;
}

.page-contact .collab-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--layer);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-contact .collab-card .card-title {
  margin: 0;
}

.page-contact .collab-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .card-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .text-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 到访与邮寄 ---------- */

.page-contact .visit-grid {
  display: grid;
  gap: 20px;
}

.page-contact .visit-lede {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .visit-text {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
  max-width: 62ch;
}

.page-contact .visit-details {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  align-self: start;
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

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

.page-contact .visit-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--lime);
  transition: transform var(--fast) var(--ease);
}

.page-contact .visit-details[open] summary::after {
  content: "−";
}

.page-contact .visit-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .visit-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .visit-list li::marker {
  color: var(--orange);
}

@media (min-width: 900px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

/* ---------- 常见联系问题 ---------- */

.page-contact .faq-grid {
  display: grid;
  gap: 12px;
}

.page-contact .faq-item {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  transition: border-color var(--fast) var(--ease);
}

.page-contact .faq-item:hover,
.page-contact .faq-item[open] {
  border-color: var(--lime);
}

.page-contact .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-contact .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--lime);
}

.page-contact .faq-item[open] summary::after {
  content: "−";
}

.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .faq-item p {
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 820px) {
  .page-contact .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */

.page-contact .contact-cta {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-contact .cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: linear-gradient(115deg, var(--field) 0%, var(--layer) 70%);
  box-shadow: 12px 12px 0 0 var(--layer);
}

.page-contact .cta-copy p {
  margin-top: 12px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

@media (min-width: 900px) {
  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, auto);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ============================================================
   联系我们 · page-contact
   ============================================================ */

.page-contact {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
  color: var(--paper);
}

.page-contact h1 {
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
}

.page-contact h2 {
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 700;
}

.page-contact h3 {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 700;
}

.page-contact p {
  margin: 0;
}

/* ---------- 面包屑 ---------- */

.page-contact .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .crumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

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

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-top: clamp(104px, 15vw, 164px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-contact .intro-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .intro-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .intro-copy h1 {
  max-width: 18em;
}

.page-contact .intro-copy .lede {
  margin-top: clamp(16px, 2vw, 22px);
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .intro-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 0 var(--layer);
}

.page-contact .fact-row {
  display: grid;
  gap: 4px;
  padding: 15px 18px;
  background: var(--field);
}

.page-contact .fact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .fact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

@media (min-width: 900px) {
  .page-contact .intro-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

/* ---------- 渠道区 ---------- */

.page-contact .channel-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .index-head {
  margin-bottom: 12px;
  color: var(--mist);
}

.page-contact .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 14px;
  background: var(--layer);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-contact .index-link:hover,
.page-contact .index-link:focus-visible {
  border-color: var(--lime);
  background: var(--field);
}

.page-contact .index-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .index-name {
  font-size: 14px;
  font-weight: 600;
}

.page-contact .index-scope {
  grid-column: 2;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .channel-cards {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--layer);
  transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 34px;
  background: var(--lime);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within,
.page-contact .channel-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 8px 8px 0 0 var(--layer), 0 0 0 2px rgba(198, 255, 61, 0.28);
  outline: none;
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .channel-head .card-title {
  margin: 0;
}

.page-contact .channel-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .channel-value {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.45;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .channel-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .city-figure .figure-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .city-figure img,
.page-contact .response-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

@media (min-width: 1024px) {
  .page-contact .channel-layout {
    grid-template-columns: 172px minmax(0, 1fr) 296px;
    align-items: start;
  }
}

/* ---------- 受理时段 ---------- */

.page-contact .response-band {
  padding-top: clamp(44px, 7vw, 84px);
}

.page-contact .response-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-contact .timeline-panel {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--field) 0%, var(--ink) 100%);
}

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

.page-contact .tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 58px 14px minmax(0, 1fr);
  column-gap: 16px;
  padding: 14px 0;
}

.page-contact .tl-item::before {
  content: "";
  position: absolute;
  left: 81px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .tl-item:first-child::before {
  top: 26px;
}

.page-contact .tl-item:last-child::before {
  bottom: auto;
  height: 26px;
}

.page-contact .tl-time {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  padding-top: 3px;
}

.page-contact .tl-dot {
  width: 11px;
  height: 11px;
  margin-top: 7px;
  justify-self: center;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--ink);
}

.page-contact .tl-title {
  font-size: 16px;
  transition: color var(--fast) var(--ease);
}

.page-contact .tl-text {
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .tl-hint {
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 10px;
}

.page-contact .tl-item:hover .tl-title {
  color: var(--lime);
}

.page-contact .peak-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 16px;
  border: 1px dashed var(--line);
  background: rgba(255, 122, 47, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .peak-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--orange);
}

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

.page-contact .response-figure .figure-media {
  aspect-ratio: 5 / 4;
  overflow: hidden;
}

@media (min-width: 1000px) {
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 对外协作 ---------- */

.page-contact .collab-grid {
  display: grid;
  gap: 16px;
}

.page-contact .collab-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--layer);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-contact .collab-card .card-title {
  margin: 0;
}

.page-contact .collab-card .card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .card-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .text-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 到访与邮寄 ---------- */

.page-contact .visit-grid {
  display: grid;
  gap: 20px;
}

.page-contact .visit-lede {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .visit-text {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
  max-width: 62ch;
}

.page-contact .visit-details {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  align-self: start;
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

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

.page-contact .visit-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--lime);
  transition: transform var(--fast) var(--ease);
}

.page-contact .visit-details[open] summary::after {
  content: "−";
}

.page-contact .visit-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .visit-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .visit-list li::marker {
  color: var(--orange);
}

@media (min-width: 900px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

/* ---------- 常见联系问题 ---------- */

.page-contact .faq-grid {
  display: grid;
  gap: 12px;
}

.page-contact .faq-item {
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: var(--radius);
  transition: border-color var(--fast) var(--ease);
}

.page-contact .faq-item:hover,
.page-contact .faq-item[open] {
  border-color: var(--lime);
}

.page-contact .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-contact .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--lime);
}

.page-contact .faq-item[open] summary::after {
  content: "−";
}

.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .faq-item p {
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 820px) {
  .page-contact .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */

.page-contact .contact-cta {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-contact .cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: linear-gradient(115deg, var(--field) 0%, var(--layer) 70%);
  box-shadow: 12px 12px 0 0 var(--layer);
}

.page-contact .cta-copy p {
  margin-top: 12px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

@media (min-width: 900px) {
  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, auto);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}