.page-contact {
  --contact-cut: 20px;
  --contact-gap: clamp(40px, 6vw, 96px);
  --contact-pad: clamp(20px, 3vw, 36px);
}

.page-contact .contact-shell {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  padding-block: clamp(20px, 3vw, 36px);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: rgba(41, 224, 230, 0.6);
}
.page-contact .breadcrumb-item a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .breadcrumb-item a:hover,
.page-contact .breadcrumb-item a:focus-visible {
  color: var(--teal-400);
  border-bottom-color: var(--teal-400);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.page-contact .contact-hero-copy {
  min-width: 0;
}
.page-contact .contact-title {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}
.page-contact .title-accent {
  color: var(--teal-400);
  font-style: normal;
}
.page-contact .contact-lede {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-contact .contact-quick {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .quick-row {
  display: grid;
  grid-template-columns: minmax(72px, 96px) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .quick-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate-400);
}
.page-contact .quick-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--text);
  overflow-wrap: anywhere;
}
.page-contact .contact-hero-visual {
  margin: 0;
  position: relative;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
}
.page-contact .contact-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 联络总览 */
.page-contact .contact-channels {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-contact .contact-section-head {
  display: grid;
  gap: 10px;
  max-width: 52ch;
}
.page-contact .contact-section-head .section-heading,
.page-contact .contact-section-head .section-lede {
  margin: 0;
}
.page-contact .channel-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--contact-pad);
  border-top: 2px solid var(--teal-400);
  background: linear-gradient(155deg, rgba(41, 224, 230, 0.09), rgba(11, 18, 26, 0.92) 58%);
  min-width: 0;
}
.page-contact .channel-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-400);
}
.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-contact .channel-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .channel-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 90, 0.45);
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}
.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--teal-400);
}
.page-contact .channel-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate-400);
}

/* 邮箱与电话区块 */
.page-contact .contact-block {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: var(--contact-pad);
  background: var(--surface);
  border-left: 2px solid var(--teal-400);
  min-width: 0;
}
.page-contact .block-index {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(41, 224, 230, 0.35);
}
.page-contact .block-body {
  min-width: 0;
}
.page-contact .block-body .section-heading {
  margin: 0;
}
.page-contact .block-text {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .mega-contact {
  display: inline-block;
  max-width: 100%;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  background-image: linear-gradient(transparent 64%, rgba(41, 224, 230, 0.22) 64%);
  transition: color 0.18s var(--ease-out);
}
.page-contact .mega-contact:hover,
.page-contact .mega-contact:focus-visible {
  color: var(--gold-400);
}
.page-contact .address-line {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-100);
}
.page-contact .contact-phone {
  border-left-color: var(--magenta-500);
}
.page-contact .contact-phone .block-index {
  color: rgba(255, 61, 154, 0.4);
}

/* 旁注面板 */
.page-contact .block-aside {
  min-width: 0;
  padding: 18px 20px;
  background: var(--indigo-800);
  color: var(--mist-100);
  font-size: 14px;
  line-height: 1.75;
}
.page-contact .block-aside--gold {
  background: var(--petrol-800);
}
.page-contact .aside-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-400);
}
.page-contact .block-aside--gold .aside-title {
  color: var(--gold-400);
}
.page-contact .aside-text {
  margin: 0;
  color: rgba(233, 242, 245, 0.82);
}
.page-contact .aside-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .aside-list li {
  position: relative;
  padding-left: 16px;
  color: rgba(233, 242, 245, 0.82);
}
.page-contact .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--magenta-500);
  transform: translateY(-50%) rotate(45deg);
}

/* 事项分流 */
.page-contact .contact-matters {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-contact .matter-grid {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .matter-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: var(--contact-pad);
  background: rgba(11, 18, 26, 0.85);
  border: 1px solid var(--line);
  border-left: 2px solid var(--magenta-500);
}
.page-contact .matter-tag {
  justify-self: start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-950);
  background: var(--teal-400);
}
.page-contact .matter-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-contact .matter-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .matter-tip {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold-400);
  border-top: 1px dashed var(--line);
}

/* 在线通道 */
.page-contact .contact-online {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(140deg, rgba(27, 33, 69, 0.9), rgba(6, 9, 14, 0.96));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.page-contact .online-media {
  margin: 0;
  min-width: 0;
}
.page-contact .online-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .online-copy {
  display: grid;
  gap: 12px;
  min-width: 0;
}
.page-contact .online-copy .section-heading {
  margin: 0;
}
.page-contact .online-copy p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .online-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* 备案收束 */
.page-contact .contact-registry {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: var(--contact-pad);
  background: var(--wine-800);
  border-top: 1px solid rgba(255, 61, 154, 0.35);
}
.page-contact .registry-main {
  display: grid;
  gap: 12px;
  min-width: 0;
}
.page-contact .registry-main .section-heading {
  margin: 0;
}
.page-contact .registry-list {
  display: grid;
  gap: 0;
  margin: 6px 0 0;
  padding: 0;
}
.page-contact .registry-list > div {
  display: grid;
  grid-template-columns: minmax(72px, 110px) minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(233, 242, 245, 0.14);
}
.page-contact .registry-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(233, 242, 245, 0.6);
}
.page-contact .registry-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}
.page-contact .registry-links {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
}
.page-contact .registry-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(233, 242, 245, 0.78);
}
.page-contact .registry-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .registry-link-list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--mist-100);
  text-decoration: none;
  border: 1px solid rgba(233, 242, 245, 0.3);
  transition: color 0.18s var(--ease-out), background-color 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}
.page-contact .registry-link-list a:hover,
.page-contact .registry-link-list a:focus-visible {
  color: var(--ink-950);
  background: var(--gold-400);
  border-color: var(--gold-400);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .matter-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .matter-card:nth-child(2) {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
  .page-contact .contact-block {
    grid-template-columns: 72px minmax(0, 1fr) minmax(200px, 280px);
    align-items: start;
  }
  .page-contact .contact-online {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .page-contact .contact-registry {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-link,
  .page-contact .mega-contact,
  .page-contact .registry-link-list a {
    transition: none;
  }
}