.page-contact {
  --contact-mono: "SF Mono", "Cascadia Mono", "Noto Sans SC", "PingFang SC", monospace;
  --contact-grid: rgba(10, 26, 63, 0.06);
  --contact-grid-dark: rgba(255, 255, 255, 0.09);
}

.page-contact [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 400ms ease, transform 400ms ease;
  }
  .page-contact [data-reveal][data-visible] {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 首屏信息台 ===== */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 2.5rem 0 6.5rem;
  background: var(--pure-white);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--contact-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid) 1px, transparent 1px);
  background-size: 2rem 2rem;
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 2rem;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-contact .contact-hero__title {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.08;
  color: var(--ink-black);
  letter-spacing: 0.01em;
  max-width: 14em;
}

.page-contact .contact-hero__lead {
  margin: 1.25rem 0 0;
  max-width: 46ch;
  color: var(--charcoal);
  font-size: 1rem;
  line-height: 1.7;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-contact .contact-hero__tele {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.5rem 1.75rem 1.75rem;
  color: var(--pure-white);
  background:
    linear-gradient(135deg, rgba(255, 75, 31, 0.18), transparent 38%),
    var(--deep-blue);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero__tele::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--brand-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-contact .contact-hero__tele-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .contact-status-dot {
  display: inline-block;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--racing-yellow);
  box-shadow: 0 0 0 0.3125rem rgba(255, 195, 0, 0.18);
}

.page-contact .contact-status-dot--dark {
  background: var(--brand-orange);
  box-shadow: 0 0 0 0.3125rem rgba(255, 75, 31, 0.2);
}

.page-contact .contact-hero__tele-time {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 2.125rem);
  line-height: 1.15;
  color: var(--racing-yellow);
}

.page-contact .contact-hero__tele-note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .contact-hero__tele-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.page-contact .contact-hero__tele-stats div {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.page-contact .contact-hero__tele-stats dt {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.58);
}

.page-contact .contact-hero__tele-stats dd {
  margin: 0;
  font-family: var(--contact-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pure-white);
}

.page-contact .contact-hero__backdrop {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5rem;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .contact-hero__bgmail {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.5vw, 4.75rem);
  line-height: 5rem;
  color: rgba(10, 26, 63, 0.14);
  white-space: nowrap;
  letter-spacing: 0.04em;
  transform: rotate(-2deg) translateX(2vw);
}

/* ===== 联系渠道 ===== */
.page-contact .contact-channels {
  padding: 3.5rem 0 4rem;
}

.page-contact .contact-channels__head {
  margin-bottom: 2rem;
}

.page-contact .contact-channels__desc {
  margin-top: 0.75rem;
  max-width: 60ch;
  color: var(--charcoal);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-contact .contact-visual {
  margin: 0;
  position: relative;
}

.page-contact .contact-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--off-white);
  filter: saturate(0.85) contrast(1.05);
  clip-path: polygon(0 0, calc(100% - 1.5rem) 0, 100% 1.5rem, 100% 100%, 0 100%);
}

.page-contact .contact-visual figcaption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted-gray);
}

.page-contact .contact-badges {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.page-contact .contact-badge {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: start;
  gap: 0.75rem;
  padding: 1.125rem 1.25rem 1.125rem 1rem;
  background: var(--pure-white);
  border: 1px solid var(--border-gray);
  border-left: 3px solid var(--brand-orange);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-badge::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--brand-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.9;
}

.page-contact .contact-badge--support {
  border-left-color: var(--deep-blue);
}

.page-contact .contact-badge--support::after {
  background: var(--deep-blue);
}

.page-contact .contact-badge--phone {
  border-left-color: var(--racing-yellow);
}

.page-contact .contact-badge--phone::after {
  background: var(--racing-yellow);
}

.page-contact .contact-badge--address::after,
.page-contact .contact-badge--hours::after {
  background: var(--charcoal);
}

.page-contact .contact-badge__idx {
  font-family: var(--contact-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--muted-gray);
  line-height: 1.6;
}

.page-contact .contact-badge--main .contact-badge__idx {
  color: var(--brand-orange);
}

.page-contact .contact-badge__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-right: 0.75rem;
}

.page-contact .contact-badge__label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-gray);
}

.page-contact .contact-badge__value {
  font-family: var(--contact-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink-black);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

/* ===== 邮件说明 ===== */
.page-contact .contact-email {
  padding: 4rem 0;
  background: var(--pure-white);
}

.page-contact .section-heading {
  margin-bottom: 2rem;
}

.page-contact .section-heading--center {
  text-align: center;
}

.page-contact .section-lead {
  margin-top: 0.75rem;
  color: var(--charcoal);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 60ch;
}

.page-contact .section-heading--center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

.page-contact .contact-email__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-mailcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--off-white);
  border: 1px solid var(--border-gray);
  border-top: 4px solid var(--brand-orange);
}

.page-contact .contact-mailcard--user {
  border-top-color: var(--deep-blue);
}

.page-contact .contact-mailcard__title {
  margin: 0;
  font-family: var(--contact-mono);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-black);
  overflow-wrap: anywhere;
}

.page-contact .contact-mailcard__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--charcoal);
}

.page-contact .contact-mailcard__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-gray);
  padding-top: 0.875rem;
}

.page-contact .contact-mailcard__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--charcoal);
}

.page-contact .contact-mailcard__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--brand-orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-contact .contact-mailcard--user .contact-mailcard__list li::before {
  background: var(--deep-blue);
}

/* ===== 工作时间与响应 ===== */
.page-contact .contact-hours {
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 75, 31, 0.2), transparent 26%),
    var(--deep-blue);
  color: var(--pure-white);
  padding: 4rem 0;
}

.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-contact .contact-hours__copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-contact .contact-hours__kicker {
  color: var(--racing-yellow);
}

.page-contact .contact-hours__lead {
  margin: 0;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
}

.page-contact .contact-hours__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
}

.page-contact .contact-hours__meta {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1rem;
}

.page-contact .contact-hours__meta li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-contact .contact-hours__meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
}

.page-contact .contact-hours__meta-value {
  font-family: var(--contact-mono);
  font-size: 0.9375rem;
  color: var(--pure-white);
}

.page-contact .contact-hours__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  text-align: center;
}

.page-contact .contact-hours__panel::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 3rem;
  height: 3rem;
  background: var(--brand-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-contact .contact-hours__status {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.page-contact .contact-hours__days {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.1;
  color: var(--pure-white);
}

.page-contact .contact-hours__window {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
}

.page-contact .contact-hours__time {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 1;
  color: var(--racing-yellow);
}

.page-contact .contact-hours__dash {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: rgba(255, 255, 255, 0.4);
}

.page-contact .contact-hours__footnote {
  margin: 0.25rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 自助帮助入口 ===== */
.page-contact .contact-help {
  padding: 4rem 0;
}

.page-contact .contact-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-helpcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  height: 100%;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--pure-white);
  border: 1px solid var(--border-gray);
  box-shadow: var(--shadow-panel);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.page-contact .contact-helpcard::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-orange) 0 40%, var(--racing-yellow) 40% 60%, var(--deep-blue) 60% 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.page-contact .contact-helpcard:hover,
.page-contact .contact-helpcard:focus-visible {
  border-color: var(--brand-orange);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10, 26, 63, 0.12);
}

.page-contact .contact-helpcard:hover::before,
.page-contact .contact-helpcard:focus-visible::before {
  transform: scaleX(1);
}

.page-contact .contact-helpcard__idx {
  font-family: var(--contact-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brand-orange);
}

.page-contact .contact-helpcard__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink-black);
}

.page-contact .contact-helpcard__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--charcoal);
}

.page-contact .contact-helpcard__link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--deep-blue);
}

.page-contact .contact-helpcard:hover .contact-helpcard__link,
.page-contact .contact-helpcard:focus-visible .contact-helpcard__link {
  color: var(--brand-orange);
}

/* ===== 商务合作与联系地址 ===== */
.page-contact .contact-biz {
  padding: 4rem 0;
  background: var(--pure-white);
}

.page-contact .contact-biz__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: stretch;
}

.page-contact .contact-biz__copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-contact .contact-biz__lead {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink-black);
}

.page-contact .contact-biz__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--charcoal);
}

.page-contact .contact-biz__email {
  font-family: var(--contact-mono);
  color: var(--brand-orange);
  font-weight: 700;
}

.page-contact .contact-biz__copy img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--off-white);
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-biz__map {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 22rem;
  padding: 1.5rem 1.5rem 4.5rem;
  background:
    radial-gradient(circle at 70% 30%, rgba(255, 75, 31, 0.16), transparent 30%),
    var(--deep-blue);
  color: var(--pure-white);
  overflow: hidden;
}

.page-contact .contact-map__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--contact-grid-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-dark) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem;
  opacity: 0.6;
}

.page-contact .contact-map__grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, transparent 0%, var(--deep-blue) 75%);
}

.page-contact .contact-map__pin {
  position: relative;
  align-self: center;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.125rem;
  padding: 1.25rem;
  background: rgba(10, 26, 63, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  z-index: 1;
}

.page-contact .contact-map__pulse {
  position: absolute;
  top: -8px;
  left: 1.25rem;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--brand-orange);
  animation: contact-pulse 2200ms ease-out infinite;
}

@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0.25rem rgba(255, 75, 31, 0.35); }
  70% { box-shadow: 0 0 0 1rem rgba(255, 75, 31, 0); }
  100% { box-shadow: 0 0 0 0.25rem rgba(255, 75, 31, 0); }
}

.page-contact .contact-map__city {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.68);
}

.page-contact .contact-map__street {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.15;
  color: var(--pure-white);
}

.page-contact .contact-map__foot {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.62);
  z-index: 1;
}

/* ===== 桌面布局 ===== */
@media (min-width: 64rem) {
  .page-contact .contact-hero {
    padding: 4rem 0 8.5rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
    align-items: stretch;
  }

  .page-contact .contact-hero__title {
    font-size: clamp(3rem, 5.5vw, 5rem);
  }

  .page-contact .contact-hero__tele {
    margin-top: 0;
    justify-content: center;
    min-height: 21rem;
    padding: 2rem 2.25rem;
  }

  .page-contact .contact-hero__backdrop {
    height: 7.5rem;
  }

  .page-contact .contact-hero__bgmail {
    font-size: clamp(4.5rem, 8vw, 7.5rem);
    line-height: 7.5rem;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3.5rem;
  }

  .page-contact .contact-badges {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .page-contact .contact-badge--main {
    grid-column: 1 / -1;
  }

  .page-contact .contact-badge__value {
    font-size: 1.0625rem;
  }

  .page-contact .contact-email__cards {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4rem;
  }

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

  .page-contact .contact-hours__panel {
    min-height: 22rem;
    padding: 2.5rem;
  }

  .page-contact .contact-help__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-contact .contact-biz__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .page-contact .contact-biz__map {
    min-height: 30rem;
  }
}