.page-contact {
  --contact-gap: clamp(20px, 3vw, 34px);
  --contact-pad: clamp(20px, 2.4vw, 28px);
  --contact-rule: 1px solid var(--line);
  position: relative;
  background-color: var(--c-night);
  color: var(--c-text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: clip;
}

.page-contact .contact-block {
  padding-block: clamp(40px, 5.6vw, 78px);
}

.page-contact .contact-block--last {
  padding-bottom: 0;
}

.page-contact .contact-crumb {
  padding-top: clamp(16px, 2.6vw, 30px);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--c-muted);
}

.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 169, 162, 0.45);
}

.page-contact .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s ease, border-color 0.22s ease;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(18px, 3vw, 40px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(320px circle at var(--px, 62%) var(--py, 28%), rgba(0, 0, 0, 0.95), transparent 74%);
  mask-image: radial-gradient(320px circle at var(--px, 62%) var(--py, 28%), rgba(0, 0, 0, 0.95), transparent 74%);
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: end;
}

.page-contact .contact-hero__lead {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 8.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin: 0;
  text-wrap: balance;
}

.page-contact .contact-hero .lede {
  max-width: 40ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .contact-hero__figure {
  margin: 6px 0 0;
  width: 100%;
  max-width: 440px;
  border: var(--contact-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
  box-shadow: var(--glow);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-contact .contact-hero__figure figcaption,
.page-contact .contact-prep__figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--contact-pad);
  border: var(--contact-rule);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-float), var(--c-panel) 68%);
  box-shadow: var(--glow);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-contact .contact-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-card__eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .contact-card__hours {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.3rem, 6.2vw, 1.75rem);
  letter-spacing: 0.01em;
  color: var(--c-neon-soft);
  line-height: 1.25;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .contact-card__scope {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-contact .contact-card__scope li {
  position: relative;
  padding-left: 16px;
  color: var(--c-text);
}

.page-contact .contact-card__scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-neon);
}

.page-contact .contact-card__scope li:last-child::before {
  background: var(--c-red);
}

.page-contact .contact-card__cta {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 通用章节标题 ---------- */

.page-contact .contact-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-head--tight {
  margin-bottom: clamp(16px, 2.2vw, 24px);
}

.page-contact .contact-head__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 5.4vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: 0.02em;
  margin: 0;
  text-wrap: balance;
}

/* ---------- 沟通入口 ---------- */

.page-contact .contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: var(--contact-pad);
  border: var(--contact-rule);
  border-radius: var(--radius-lg);
  background: var(--c-panel);
  min-width: 0;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-neon), rgba(79, 227, 193, 0) 74%);
}

.page-contact .channel-card--phone::after {
  background: linear-gradient(90deg, var(--c-gold), rgba(232, 176, 75, 0) 74%);
}

.page-contact .channel-card__tag {
  justify-self: start;
}

.page-contact .channel-card .card-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}

.page-contact .channel-card__value {
  margin: 0;
  padding: 12px 14px;
  border: var(--contact-rule);
  border-radius: 10px;
  background: rgba(4, 26, 21, 0.6);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 4.2vw, 1.2rem);
  letter-spacing: 0.01em;
  color: var(--c-neon-soft);
  word-break: break-all;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--c-gold);
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 8px;
  height: 1px;
  background: var(--line);
}

.page-contact .channel-card__hint {
  margin: 2px 0 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-muted);
  font-family: var(--font-mono);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-prep__main {
  min-width: 0;
}

.page-contact .contact-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-prep__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--c-ink);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-contact .contact-prep__list li:hover {
  border-color: rgba(79, 227, 193, 0.28);
  background: var(--c-panel);
}

.page-contact .contact-prep__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: var(--contact-rule);
  border-radius: 9px;
  background: var(--c-float);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-neon-soft);
}

.page-contact .contact-prep__body {
  min-width: 0;
}

.page-contact .contact-prep__term {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-contact .contact-prep__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-muted);
}

.page-contact .contact-prep__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(79, 227, 193, 0.4);
  font-size: 0.8125rem;
  line-height: 1.72;
  color: var(--c-muted);
}

.page-contact .contact-prep__figure {
  margin: 0;
  border: var(--contact-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
  box-shadow: var(--glow);
}

.page-contact .contact-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 响应时间 ---------- */

.page-contact .contact-response {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .response-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--c-ink);
}

.page-contact .response-card__label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .response-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  color: var(--c-neon-soft);
  line-height: 1.4;
}

.page-contact .response-card p:last-child {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.76;
  color: var(--c-muted);
}

.page-contact .response-card--warn {
  border-color: rgba(226, 75, 63, 0.34);
}

.page-contact .response-card--warn .response-card__value {
  color: var(--c-red);
}

/* ---------- 通信地址与备案 ---------- */

.page-contact .contact-record {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-record__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 22px;
  background: var(--c-night);
}

.page-contact .contact-record__label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .contact-record__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  color: var(--c-text);
  word-break: break-word;
}

.page-contact .contact-record__value--text {
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.6;
}

.page-contact .contact-record__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 常见问题快速跳转 ---------- */

.page-contact .contact-quick {
  display: grid;
  gap: 10px;
}

.page-contact .contact-quick .rule-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--c-ink);
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-contact .contact-quick .rule-item[data-open] {
  border-color: rgba(79, 227, 193, 0.4);
  background: var(--c-panel);
}

.page-contact .contact-quick .rule-item__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .contact-quick .rule-item__head:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-contact .contact-quick .rule-item__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-neon);
  letter-spacing: 0.06em;
}

.page-contact .contact-quick .rule-item__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 0.9688rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--c-text);
}

.page-contact .contact-quick .rule-item__mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}

.page-contact .contact-quick .rule-item__mark::before,
.page-contact .contact-quick .rule-item__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
  background: var(--c-muted);
  transition: transform 0.28s ease, background-color 0.28s ease;
}

.page-contact .contact-quick .rule-item__mark::after {
  transform: rotate(90deg);
}

.page-contact .contact-quick .rule-item__head[aria-expanded="true"] .rule-item__mark::before,
.page-contact .contact-quick .rule-item__head[aria-expanded="true"] .rule-item__mark::after {
  background: var(--c-neon);
}

.page-contact .contact-quick .rule-item__head[aria-expanded="true"] .rule-item__mark::after {
  transform: rotate(0deg);
}

.page-contact .contact-quick .rule-item__body {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.32s ease;
}

.page-contact .contact-quick .rule-item__head[aria-expanded="false"] + .rule-item__body {
  grid-template-rows: 0fr;
}

.page-contact .contact-quick .rule-item__inner {
  overflow: hidden;
  min-height: 0;
}

.page-contact .contact-quick .rule-item__content {
  display: grid;
  gap: 12px;
  padding: 0 18px 18px 46px;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  font-size: 0.9063rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .contact-quick .rule-item__content p {
  margin: 0;
}

.page-contact .contact-quick .rule-item__content a {
  justify-self: start;
  font-size: 0.875rem;
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, 0.4);
  transition: border-color 0.22s ease, color 0.22s ease;
}

.page-contact .contact-quick .rule-item__content a:hover,
.page-contact .contact-quick .rule-item__content a:focus-visible {
  color: var(--c-neon-soft);
  border-bottom-color: var(--c-neon-soft);
}

.page-contact .contact-quick__tail {
  margin: 20px 0 0;
  font-size: 0.8438rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .contact-quick__tail a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, 0.32);
}

.page-contact .contact-quick__tail a:hover,
.page-contact .contact-quick__tail a:focus-visible {
  border-bottom-color: var(--c-neon);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-response {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(300px, 0.94fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-hero h1 {
    font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  }

  .page-contact .contact-card {
    justify-self: end;
    width: 100%;
  }

  .page-contact .contact-prep {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    gap: clamp(28px, 4vw, 48px);
  }

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

  .page-contact .contact-quick .rule-item__head {
    padding: 18px 22px;
  }

  .page-contact .contact-quick .rule-item__content {
    padding: 16px 22px 20px 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero::before {
    -webkit-mask-image: none;
    mask-image: none;
    opacity: 0.4;
  }

  .page-contact .contact-quick .rule-item__body {
    transition: none;
  }

  .page-contact .contact-quick .rule-item__mark::before,
  .page-contact .contact-quick .rule-item__mark::after {
    transition: none;
  }
}

.page-contact {
  --px: inherit;
  --py: inherit;
}