.page-contact {
  --contact-sticky-top: calc(var(--header-upper-h) + 76px);
  --contact-card-pad: clamp(20px, 3vw, 28px);
  display: block;
  padding-bottom: 0;
}

.page-contact .visually-hidden-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .contact-crumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(20px, 3.4vw, 36px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 62px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.012em;
  margin: 12px 0 0;
  color: var(--mist-100);
}

.page-contact .contact-hero-copy .lede {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--mist-200);
  line-height: 1.72;
}

.page-contact .contact-quick {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(164px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-quick-item {
  background: var(--ink-900);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-contact .quick-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-contact .quick-value {
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero-media {
  aspect-ratio: 3 / 2;
  margin: 0;
}

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

/* ---------- 联系工作台 ---------- */

.page-contact .contact-workbench-section {
  padding-top: clamp(10px, 2vw, 20px);
}

.page-contact .contact-workbench {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .contact-card {
  border: 1px solid var(--line-strong);
  background: linear-gradient(168deg, var(--teal-800) 0%, var(--ink-900) 70%);
  box-shadow: var(--shadow-1);
  padding: var(--contact-card-pad);
}

.page-contact .contact-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mist-100);
}

.page-contact .contact-card-badge {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
  border: 1px solid var(--line-strong);
  padding: 2px 8px;
}

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

.page-contact .contact-row {
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-row-label {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-contact .contact-row-value {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .contact-row-value.is-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .contact-row-note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-contact .contact-card-foot {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-contact .contact-card-foot a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 右列：分节 ---------- */

.page-contact .contact-sheet {
  display: grid;
  gap: clamp(30px, 3.6vw, 46px);
  min-width: 0;
}

.page-contact .contact-block {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  min-width: 0;
}

.page-contact .contact-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-contact .contact-index {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  flex: none;
}

.page-contact .contact-block h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 29px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.008em;
  color: var(--mist-100);
  margin: 0;
}

.page-contact .contact-block p {
  color: var(--mist-200);
  line-height: 1.72;
  max-width: 68ch;
  margin: 0 0 12px;
}

.page-contact .contact-block p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-block a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-inline-num {
  color: var(--cyan-300);
  font-size: 1.02em;
}

/* ---------- 提交清单 ---------- */

.page-contact .contact-checklist {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}

.page-contact .check-item label {
  cursor: pointer;
  min-width: 0;
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--line-strong);
  background: transparent;
  position: relative;
  cursor: pointer;
  flex: none;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.page-contact .check-box:hover {
  border-color: var(--cyan-400);
}

.page-contact .check-box:checked {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-contact .check-box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
  transform: rotate(40deg);
}

.page-contact .check-box:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact .check-title {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--mist-100);
  margin-bottom: 5px;
}

.page-contact .check-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--slate-400);
}

/* ---------- 地址与方位块 ---------- */

.page-contact .contact-address-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: stretch;
}

.page-contact .contact-address-line {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist-100);
  border-left: 2px solid var(--cyan-400);
  padding-left: 14px;
  margin-bottom: 16px;
}

.page-contact .contact-map {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-850);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  min-height: 180px;
}

.page-contact .contact-map svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .map-grid {
  fill: none;
  stroke: rgba(233, 242, 245, 0.075);
  stroke-width: 1;
}

.page-contact .map-road {
  fill: none;
  stroke: rgba(47, 227, 200, 0.42);
  stroke-width: 1.6;
}

.page-contact .map-road-thin {
  stroke: rgba(140, 163, 174, 0.3);
  stroke-width: 1;
}

.page-contact .contact-map-pin {
  position: absolute;
  left: 52%;
  top: 44%;
  width: 10px;
  height: 10px;
  background: var(--cyan-400);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 0 0 rgba(47, 227, 200, 0.5);
  animation: contact-pulse 2.6s ease-out infinite;
}

.page-contact .contact-map-label {
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist-200);
  background: rgba(5, 22, 31, 0.78);
  padding: 3px 8px;
}

@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 227, 200, 0.45); }
  70% { box-shadow: 0 0 0 16px rgba(47, 227, 200, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 227, 200, 0); }
}

/* ---------- 合作区块 ---------- */

.page-contact .contact-block-partner {
  border-top-color: var(--line-strong);
}

.page-contact .contact-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .contact-partner-media {
  aspect-ratio: 10 / 7;
  margin: 0;
}

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

/* ---------- 回复时效 ---------- */

.page-contact .contact-block-response {
  background: linear-gradient(100deg, rgba(92, 27, 50, 0.32) 0%, rgba(5, 22, 31, 0) 68%);
  border-top: 1px solid var(--line);
  padding: 24px 0 24px clamp(16px, 2.4vw, 26px);
  border-left: 1px solid var(--line-soft);
}

.page-contact .contact-block-response .contact-block-head {
  margin-bottom: 16px;
}

/* ---------- 底部色带 ---------- */

.page-contact .contact-next {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(38px, 6vw, 68px) 0 clamp(44px, 6vw, 76px);
  background: linear-gradient(105deg, var(--indigo-700) 0%, var(--ink-950) 58%);
  border-top: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-contact .contact-next::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400) 0%, var(--lime-500) 38%, rgba(47, 227, 200, 0) 88%);
}

.page-contact .contact-next::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 34px;
  background: linear-gradient(92deg, rgba(47, 227, 200, 0.07), rgba(42, 43, 107, 0) 62%);
  clip-path: polygon(0 100%, 100% 24%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-next-inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .contact-next-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.006em;
  color: var(--mist-100);
  margin: 10px 0 12px;
}

.page-contact .contact-next-copy p {
  color: var(--mist-200);
  line-height: 1.72;
  max-width: 46ch;
  margin: 0;
}

.page-contact .contact-next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}

.page-contact .contact-next-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 6px;
  padding: 18px 18px 18px 16px;
  background: rgba(5, 22, 31, 0.55);
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.page-contact .contact-next-link:hover,
.page-contact .contact-next-link:focus-visible {
  border-left-color: var(--cyan-400);
  background: rgba(11, 46, 61, 0.72);
  transform: translateX(3px);
}

.page-contact .contact-next-link:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-contact .contact-next-index {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: var(--cyan-400);
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-contact .contact-next-label {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mist-100);
}

.page-contact .contact-next-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate-400);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-address-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-contact .contact-next-inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  }

  .page-contact .contact-next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-workbench {
    grid-template-columns: 322px minmax(0, 1fr);
  }

  .page-contact .contact-card {
    position: sticky;
    top: var(--contact-sticky-top);
  }
}

@media (max-width: 599px) {
  .page-contact .contact-quick-item {
    padding: 12px 14px 14px;
  }

  .page-contact .contact-next-link {
    padding: 16px 14px 16px 12px;
  }

  .page-contact .contact-block-response {
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-map-pin {
    animation: none;
  }

  .page-contact .contact-next-link {
    transition: none;
  }

  .page-contact .contact-next-link:hover {
    transform: none;
  }
}