.page-contact {
  --contact-glow-signal: rgba(0, 229, 199, .10);
  --contact-glow-pulse: rgba(255, 59, 92, .12);
  padding-bottom: clamp(64px, 9vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-top: 24px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin-top: 20px;
  padding: clamp(30px, 5vw, 62px) clamp(20px, 4.4vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 0% 0%, var(--contact-glow-signal), transparent 58%),
    radial-gradient(110% 120% at 100% 100%, var(--contact-glow-pulse), transparent 58%),
    var(--midnight);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(143, 161, 188, .07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(143, 161, 188, .07) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(80% 70% at 30% 20%, #000 20%, transparent 90%);
  -webkit-mask-image: radial-gradient(80% 70% at 30% 20%, #000 20%, transparent 90%);
}

.page-contact .hero-ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .hero-ticks i {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 0 solid var(--signal);
  opacity: .85;
}

.page-contact .hero-ticks i:nth-child(1) { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; }
.page-contact .hero-ticks i:nth-child(2) { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; border-color: var(--pulse); }
.page-contact .hero-ticks i:nth-child(3) { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; border-color: var(--pulse); }
.page-contact .hero-ticks i:nth-child(4) { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; }

.page-contact .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .hero-main h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .hero-main .lede {
  margin-top: 18px;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .hero-coords {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  align-self: end;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .coord-line {
  padding: 14px 16px;
  background: rgba(8, 18, 38, .72);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .coord-line dt {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--steel);
}

.page-contact .coord-line dd {
  margin: 0;
  font-size: 14px;
  color: var(--signal);
}

/* ---------- 两栏布局 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: clamp(40px, 6vw, 72px);
}

.page-contact .contact-rail .toc {
  border-left: 2px solid var(--line-strong);
  padding-left: 16px;
}

.page-contact .toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--steel);
  margin: 0 0 12px;
}

.page-contact .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .toc-list::-webkit-scrollbar { display: none; }

.page-contact .toc-link {
  display: block;
  white-space: nowrap;
  padding: 4px 0;
  font-size: 13px;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}

.page-contact .toc-link:hover { color: var(--signal); }

.page-contact .toc-link[aria-current="true"] {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 章节 ---------- */
.page-contact .contact-section {
  margin-top: clamp(48px, 7vw, 84px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact .contact-section:first-child { margin-top: 0; }

.page-contact .contact-section .section-head { margin-bottom: 28px; }

.page-contact .contact-section .section-title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.25;
  color: var(--white);
}

.page-contact .contact-section .section-lede {
  margin-top: 14px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .coord-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .coord-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(27, 49, 82, .70), rgba(15, 31, 58, .70));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color .25s, transform .25s;
}

.page-contact .coord-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent);
}

.page-contact .coord-card:hover {
  border-color: rgba(0, 229, 199, .45);
  transform: translateY(-3px);
}

.page-contact .coord-index {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel);
}

.page-contact .coord-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--white);
}

.page-contact .coord-value {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--signal);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(0, 229, 199, .35);
  padding-bottom: 2px;
  align-self: flex-start;
}

.page-contact .coord-value:hover { color: var(--amber); border-bottom-color: rgba(255, 162, 74, .5); }

.page-contact .coord-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
  flex: 1;
}

.page-contact .contact-copy {
  align-self: flex-start;
  margin-top: 4px;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--signal);
  background: rgba(0, 229, 199, .07);
  border: 1px solid rgba(0, 229, 199, .32);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}

.page-contact .contact-copy:hover {
  background: rgba(0, 229, 199, .18);
  border-color: rgba(0, 229, 199, .6);
}

.page-contact .contact-copy.is-done {
  color: var(--amber);
  border-color: rgba(255, 162, 74, .55);
  background: rgba(255, 162, 74, .12);
}

.page-contact .contact-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
  border-left: 2px solid var(--amber);
  background: rgba(255, 162, 74, .07);
}

.page-contact .channel-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--midnight);
}

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .media-caption {
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
  border-top: 1px solid var(--line);
}

/* ---------- 反馈路径 ---------- */
.page-contact .feedback-path {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .path-step {
  position: relative;
  padding: 0 0 30px 38px;
}

.page-contact .path-step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--signal), rgba(0, 229, 199, .05));
}

.page-contact .path-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--signal);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .10);
}

.page-contact .path-step:last-child { padding-bottom: 0; }
.page-contact .path-step:last-child::before { display: none; }

.page-contact .path-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--white);
}

.page-contact .path-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 合作卡片 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .partner-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 31, 58, .62);
  transition: background .25s, border-color .25s;
}

.page-contact .partner-card:hover {
  background: rgba(27, 49, 82, .72);
  border-color: var(--line-strong);
}

.page-contact .partner-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 服务范围 ---------- */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .region-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--midnight);
}

.page-contact .region-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .region-text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .region-stats {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .stat-row {
  padding: 16px 12px;
  background: rgba(8, 18, 38, .7);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .stat-row dt {
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-contact .stat-row dd {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--signal);
}

.page-contact .stat-row dd span {
  margin-left: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--steel);
}

/* ---------- 入口对照 ---------- */
.page-contact .route-list {
  margin: 0;
  padding: 0;
}

.page-contact .route-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .route-key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
}

.page-contact .route-val {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .route-val a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 74, .4);
}

.page-contact .route-val a:hover { color: var(--signal); border-bottom-color: var(--signal); }

.page-contact .hours-strip {
  margin-top: 30px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--pulse);
  border-radius: var(--radius);
  background: rgba(255, 59, 92, .06);
}

.page-contact .hours-strip h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--white);
}

.page-contact .hours-strip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-cta {
  margin-top: 32px;
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  border: 1px solid rgba(0, 229, 199, .3);
  border-radius: var(--radius);
  background:
    radial-gradient(100% 140% at 0% 0%, rgba(0, 229, 199, .14), transparent 62%),
    var(--midnight);
}

.page-contact .cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .cta-text a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 199, .5);
}

.page-contact .cta-text a:hover { color: var(--amber); }

/* ---------- 响应式 ---------- */
@media (min-width: 721px) {
  .page-contact .coord-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coord-card:nth-child(2) { margin-top: 26px; }

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

  .page-contact .route-row {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }

  .page-contact .contact-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-contact .contact-cta .cta-text { max-width: 62ch; }
}

@media (min-width: 961px) {
  .page-contact .contact-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-contact .toc-list {
    flex-direction: column;
    gap: 10px;
    overflow: visible;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, .85fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: end;
  }

  .page-contact .hero-coords {
    grid-template-columns: 1fr;
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 48px);
    align-items: center;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact .region-stats {
    grid-template-columns: 1fr;
  }
}