.page-contact {
  --contact-glow-cyan: rgba(63, 216, 200, 0.22);
  --contact-glow-violet: rgba(139, 92, 246, 0.2);
  display: block;
  background-color: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 0 0 8px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 260px;
  background-image: repeating-linear-gradient(90deg, rgba(35, 43, 61, 0.6) 0 1px, transparent 1px 96px);
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
}

.page-contact .contact-hero__layout {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 26px 0 0;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.04;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: var(--hairline);
}

.page-contact .contact-fact {
  min-width: 96px;
}

.page-contact .contact-fact__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-fact__value {
  margin: 8px 0 0;
  font-size: 20px;
  color: var(--cyan);
  text-shadow: 0 0 14px var(--contact-glow-cyan);
}

.page-contact .contact-hero__frame {
  aspect-ratio: 2 / 1;
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-lanes {
  padding: 56px 0 0;
}

.page-contact .contact-lanes__grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .lane-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px;
  background-color: var(--ink-800);
  border: var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--inset);
  transition: border-color 0.2s var(--ease);
}

.page-contact .lane-card:hover {
  border-color: rgba(63, 216, 200, 0.45);
}

.page-contact .lane-card--primary {
  border-color: rgba(139, 92, 246, 0.42);
}

.page-contact .lane-card--primary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background-color: var(--cyan);
}

.page-contact .lane-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .lane-card__index {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .lane-card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .lane-card__title {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-contact .lane-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .lane-card__hint {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .lane-card__foot {
  margin: auto 0 0;
}

.page-contact .lane-link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 216, 200, 0.35);
}

.page-contact .lane-link:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line__label {
  flex: 0 0 100%;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-line__value {
  font-size: 16px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.contact-line__value:hover {
  text-decoration: underline;
}

/* ---------- 导航编号 ---------- */
.page-contact .contact-code {
  padding: 64px 0 0;
}

.page-contact .contact-code__layout {
  display: grid;
  gap: 24px;
  padding: 26px 0 0;
  border-top: var(--hairline);
}

.page-contact .contact-code__num {
  margin: 10px 0 0;
  font-size: clamp(52px, 12vw, 88px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--violet);
  text-shadow: 0 0 22px var(--contact-glow-violet);
}

.page-contact .contact-code__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .contact-code__body h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 0.04em;
}

.page-contact .contact-code__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-code__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-code__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-code__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 1px;
  background-color: var(--cyan);
}

/* ---------- 值守时段 ---------- */
.page-contact .contact-sla {
  padding: 64px 0 0;
}

.page-contact .contact-sla__scale {
  margin-top: 30px;
}

.page-contact .sla-bar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-top: 0;
  border-top: 1px solid var(--line);
}

.page-contact .sla-bar::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan), rgba(63, 216, 200, 0));
}

.page-contact .sla-tick {
  position: relative;
  padding-top: 16px;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .sla-tick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 10px;
  background-color: var(--line);
}

.page-contact .sla-tick b {
  font-weight: 400;
}

.page-contact .contact-sla__copy {
  margin-top: 26px;
  max-width: 72ch;
}

.page-contact .contact-sla__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-coop {
  padding: 64px 0 0;
}

.page-contact .contact-coop__list {
  margin-top: 26px;
  border-top: var(--hairline);
}

.page-contact .coop-item {
  border-bottom: var(--hairline);
}

.page-contact .coop-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .coop-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-item__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-contact .coop-item__index {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .coop-item__name {
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .coop-item__meta {
  font-size: 13px;
}

.page-contact .coop-item__body {
  padding: 0 0 26px;
  max-width: 74ch;
}

.page-contact .coop-item__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-item__body ul {
  margin: 12px 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-item__body li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-item__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 6px;
  height: 1px;
  background-color: var(--violet);
}

.page-contact .coop-item__subject {
  display: inline-block;
  margin: 14px 0 0;
  padding: 8px 12px;
  border-left: 2px solid var(--amber);
  background-color: var(--ink-700);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px;
  color: var(--amber);
}

/* ---------- 通信地址 ---------- */
.page-contact .contact-post {
  padding: 64px 0 0;
}

.page-contact .contact-post__layout {
  display: grid;
  gap: 26px;
  padding-top: 26px;
  border-top: var(--hairline);
}

.page-contact .contact-post__copy h2 {
  margin: 12px 0 16px;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 0.04em;
}

.page-contact .contact-post__copy > p {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-post__addr {
  padding: 18px;
  background-color: var(--ink-700);
  border: var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--inset);
}

.page-contact .contact-post__addr-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-post__addr-value {
  margin: 10px 0 14px;
  font-size: clamp(17px, 3.4vw, 22px);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-post__tips {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-post__tips li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-post__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 6px;
  height: 1px;
  background-color: var(--moss);
}

.page-contact .contact-post__map .media-frame {
  aspect-ratio: 10 / 7;
}

/* ---------- 自助解答 ---------- */
.page-contact .contact-self {
  padding: 64px 0 84px;
}

.page-contact .contact-self__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .self-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px;
  background-color: var(--ink-800);
  border: var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--inset);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .self-card:hover,
.page-contact .self-card:focus-visible {
  border-color: rgba(63, 216, 200, 0.5);
  background-color: var(--ink-700);
}

.page-contact .self-card__index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .self-card__title {
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .self-card__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .self-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .contact-self__tail {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: var(--hairline);
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-self__mail {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 216, 200, 0.4);
}

.page-contact .contact-self__mail:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-self__tail a:not(.contact-self__mail) {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-self__tail a:not(.contact-self__mail):hover {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-lanes__grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-contact .lane-card {
    grid-column: span 6;
  }
  .page-contact .lane-card--primary {
    grid-column: span 12;
  }
  .page-contact .contact-self__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: end;
    padding-top: 40px;
  }
  .page-contact .contact-code__layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 48px;
  }
  .page-contact .contact-post__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .lane-card {
    grid-column: span 3;
  }
  .page-contact .lane-card--primary {
    grid-column: span 6;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-self__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lane-card,
  .page-contact .self-card {
    transition: none;
  }
}