.page-contact {
  --contact-red: #E63946;
  --contact-blue: #1D3557;
  --contact-green: #39FF14;
  --contact-cyan: #00F0FF;
  --contact-violet: #9D4EDD;
  --contact-gray: #D3D3D3;
  --contact-paper: #F8F9FA;
  --contact-ink: #111111;
  --contact-font-heading: 'Anton', 'Impact', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --contact-font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --contact-font-data: 'Roboto Mono', 'Courier New', monospace;
  position: relative;
  overflow-x: hidden;
  background: var(--contact-paper);
  color: var(--contact-ink);
  font-family: var(--contact-font-body);
}

.page-contact a {
  color: inherit;
  text-decoration: none;
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact .st-tag {
  display: inline-block;
  background: var(--contact-blue);
  color: var(--contact-paper);
  font-family: var(--contact-font-data);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.4rem 0.8rem;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  text-transform: uppercase;
}

.page-contact .st-tag--dark {
  background: var(--contact-ink);
  color: var(--contact-green);
}

/* ===== Hero Section ===== */
.page-contact .contact-hero {
  position: relative;
  background: var(--contact-blue);
  color: #fff;
  padding: 3rem 0 4.5rem;
  overflow: hidden;
}

.page-contact .contact-hero__diagonal {
  position: absolute;
  top: 0;
  right: -10%;
  width: 52%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, var(--contact-red) 48%, var(--contact-red) 52%, transparent 52%);
  opacity: 0.14;
  clip-path: polygon(65% 0, 100% 0, 100% 100%, 30% 100%);
}

.page-contact .contact-hero__diagonal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0px,
    transparent 8px,
    rgba(0, 240, 255, 0.18) 8px,
    rgba(0, 240, 255, 0.18) 10px
  );
  animation: contact-data-flow 12s linear infinite;
}

@keyframes contact-data-flow {
  0% { background-position: 0 0; }
  100% { background-position: 42px 42px; }
}

.page-contact .contact-hero__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__context {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.page-contact .contact-hero__breadcrumb {
  font-family: var(--contact-font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.72);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.page-contact .contact-hero__breadcrumb a {
  color: var(--contact-cyan);
  transition: color var(--transition-speed, 0.2s) ease;
}

.page-contact .contact-hero__breadcrumb a:hover {
  color: var(--contact-green);
}

.page-contact .contact-hero__title {
  font-family: var(--contact-font-heading);
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  max-width: 14ch;
  word-wrap: break-word;
}

.page-contact .contact-hero__title-accent {
  display: block;
  color: var(--contact-red);
  font-size: 0.5em;
  font-family: var(--contact-font-data);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  margin-top: 0.75rem;
  color: var(--contact-green);
}

.page-contact .contact-hero__lead {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 62ch;
  margin: 0 0 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.page-contact .contact-hero__data-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 1.25rem;
}

.page-contact .contact-hero__data-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-contact .contact-hero__data-num {
  font-family: var(--contact-font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--contact-green);
  line-height: 1.1;
}

.page-contact .contact-hero__data-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.64);
  letter-spacing: 0.04em;
}

/* ===== Contact Body ===== */
.page-contact .contact-body {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.25rem 0;
}

.page-contact .contact-body__grid {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.page-contact .contact-body__left {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-width: 0;
}

.page-contact .contact-body__right {
  min-width: 0;
  padding: 0 0 3rem;
  border-top: 3px solid var(--contact-blue);
  padding-top: 2rem;
  margin-top: 0.5rem;
}

.page-contact .contact-aside__sticky {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== Contact Cards ===== */
.page-contact .contact-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--contact-gray);
  box-shadow: 8px 8px 0 var(--contact-blue);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  overflow: hidden;
}

.page-contact .contact-card[data-contact-hover]:hover {
  border-color: var(--contact-red);
  box-shadow: 10px 10px 0 var(--contact-red);
  transform: translate(-2px, -2px);
}

.page-contact .contact-card__index {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-family: var(--contact-font-heading);
  font-size: 3.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(230, 57, 70, 0.45);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-card__content {
  position: relative;
  z-index: 1;
  padding: 1.75rem 1.5rem 1.5rem;
}

.page-contact .contact-card__label {
  font-family: var(--contact-font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--contact-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-contact .contact-card__label--live {
  color: var(--contact-red);
}

.page-contact .contact-card__heading {
  font-family: var(--contact-font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-contact .contact-card__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #3a3a3a;
  margin-bottom: 1rem;
  max-width: 58ch;
}

.page-contact .contact-card__mail {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--contact-red);
  color: #fff;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.7rem 1.25rem;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-contact .contact-card__mail:hover {
  background: var(--contact-ink);
  color: var(--contact-green);
}

.page-contact .contact-card__mail-icon {
  display: inline-flex;
}

.page-contact .contact-card__time-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-top: 1rem;
}

.page-contact .contact-card__time-cell {
  border-left: 3px solid var(--contact-cyan);
  padding: 0.45rem 0.75rem;
  background: rgba(0, 240, 255, 0.07);
}

.page-contact .contact-card__time-num {
  font-family: var(--contact-font-data);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--contact-blue);
  display: block;
}

.page-contact .contact-card__time-label {
  font-size: 0.8125rem;
  color: #5a5a5a;
}

.page-contact .contact-card__image {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.page-contact .contact-card__image img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
  object-position: center;
}

.page-contact .contact-card--address {
  border-left: 5px solid var(--contact-violet);
  box-shadow: 8px 8px 0 rgba(157, 78, 221, 0.25);
}

.page-contact .contact-card--address[data-contact-hover]:hover {
  border-color: var(--contact-violet);
  box-shadow: 10px 10px 0 rgba(157, 78, 221, 0.45);
}

.page-contact .contact-card__note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #5a5a5a;
  background: rgba(211, 211, 211, 0.22);
  border: 1px dashed var(--contact-gray);
  padding: 0.65rem 0.85rem;
  margin-bottom: 0;
}

.page-contact .contact-card--cooperation {
  border-top: 4px solid var(--contact-blue);
}

.page-contact .contact-card--cooperation .contact-card__heading {
  color: var(--contact-blue);
}

.page-contact .contact-card__coop-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1rem 0;
}

.page-contact .contact-card__coop-item {
  text-align: center;
  padding: 0.75rem 0.25rem;
  background: var(--contact-paper);
  border: 1px solid var(--contact-gray);
}

.page-contact .contact-card__coop-num {
  display: block;
  font-family: var(--contact-font-data);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--contact-red);
  line-height: 1.15;
}

.page-contact .contact-card__coop-name {
  display: block;
  font-size: 0.75rem;
  color: #5a5a5a;
  margin-top: 0.2rem;
}

.page-contact .contact-card__coop-tip {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #5a5a5a;
  background: rgba(230, 57, 70, 0.06);
  padding: 0.6rem 0.8rem;
  border-right: 3px solid var(--contact-red);
  margin-bottom: 0;
}

.page-contact .contact-card__bg {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 0;
}

.page-contact .contact-card__bg img {
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88);
}

/* ===== Trust Box ===== */
.page-contact .contact-trust {
  background: var(--contact-blue);
  color: #fff;
  padding: 1.5rem 1.5rem 1.25rem;
  box-shadow: 8px 8px 0 rgba(0, 240, 255, 0.18);
  margin-bottom: 0.5rem;
}

.page-contact .contact-trust__heading {
  font-family: var(--contact-font-heading);
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  color: var(--contact-green);
}

.page-contact .contact-trust__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-contact .contact-trust__item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.page-contact .contact-trust__mark {
  color: var(--contact-green);
  font-weight: 700;
  font-size: 0.9375rem;
  flex-shrink: 0;
}

/* ===== Aside / Right Column ===== */
.page-contact .contact-aside__visual {
  position: relative;
  background: #fff;
  border: 1px solid var(--contact-gray);
  box-shadow: 6px 6px 0 rgba(29, 53, 87, 0.16);
  padding: 1rem;
}

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

.page-contact .contact-map-svg__outer {
  fill: none;
  stroke: var(--contact-blue);
  stroke-width: 2.5;
  stroke-dasharray: 6 6;
  opacity: 0.7;
}

.page-contact .contact-map-svg__mid {
  fill: none;
  stroke: var(--contact-red);
  stroke-width: 2;
  stroke-dasharray: 3 5;
  opacity: 0.6;
}

.page-contact .contact-map-svg__inner {
  fill: none;
  stroke: var(--contact-cyan);
  stroke-width: 2;
  opacity: 0.8;
}

.page-contact .contact-map-svg__dot {
  fill: var(--contact-red);
  stroke: #fff;
  stroke-width: 3;
}

.page-contact .contact-map-svg__pulse {
  fill: none;
  stroke: var(--contact-green);
  stroke-width: 2;
  opacity: 0.5;
  animation: contact-map-pulse 2.4s ease-out infinite;
}

@keyframes contact-map-pulse {
  0% { r: 42px; opacity: 0.6; }
  100% { r: 84px; opacity: 0; }
}

.page-contact .contact-map-svg__line {
  stroke: var(--contact-cyan);
  stroke-width: 1;
  stroke-dasharray: 2 6;
  opacity: 0.5;
  animation: contact-line-flow 2s linear infinite;
}

@keyframes contact-line-flow {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -16; }
}

.page-contact .contact-aside__visual-label {
  display: block;
  text-align: center;
  font-family: var(--contact-font-data);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--contact-blue);
  margin-top: 0.75rem;
  text-transform: uppercase;
}

.page-contact .contact-aside__phone {
  background: var(--contact-ink);
  color: #fff;
  padding: 1.5rem 1.25rem;
  border-left: 5px solid var(--contact-green);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-aside__phone::after {
  content: "";
  position: absolute;
  right: -16px;
  top: -16px;
  width: 64px;
  height: 64px;
  background: var(--contact-red);
  transform: rotate(45deg);
  opacity: 0.6;
}

.page-contact .contact-aside__phone-label {
  display: block;
  font-family: var(--contact-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--contact-green);
  margin-bottom: 0.35rem;
}

.page-contact .contact-aside__phone-num {
  display: block;
  font-family: var(--contact-font-data);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  transition: color 0.2s ease;
}

.page-contact .contact-aside__phone-num:hover {
  color: var(--contact-cyan);
}

.page-contact .contact-aside__phone-tip {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 0.4rem;
}

.page-contact .contact-aside__links {
  border: 1px solid var(--contact-gray);
  background: #fff;
  padding: 1.25rem;
}

.page-contact .contact-aside__links-title {
  font-family: var(--contact-font-heading);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.85rem;
  color: var(--contact-blue);
  border-bottom: 2px solid var(--contact-blue);
  padding-bottom: 0.6rem;
}

.page-contact .contact-aside__links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-contact .contact-aside__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  padding: 0.55rem 0.65rem;
  color: var(--contact-blue);
  transition: background-color 0.2s ease, color 0.2s ease;
  font-weight: 600;
}

.page-contact .contact-aside__link:hover {
  background: var(--contact-paper);
  color: var(--contact-red);
}

.page-contact .contact-aside__link-arrow {
  font-family: var(--contact-font-data);
  color: var(--contact-green);
  font-weight: 700;
  transition: transform 0.2s ease;
}

.page-contact .contact-aside__link:hover .contact-aside__link-arrow {
  transform: translateX(3px);
  color: var(--contact-red);
}

.page-contact .contact-aside__policy {
  background: rgba(211, 211, 211, 0.16);
  border-top: 3px solid var(--contact-gray);
  padding: 1.25rem;
}

.page-contact .contact-aside__policy-title {
  font-family: var(--contact-font-heading);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
  color: var(--contact-ink);
}

.page-contact .contact-aside__policy p {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #4a4a4a;
  margin-bottom: 0.75rem;
}

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

.page-contact .contact-aside__policy a {
  color: var(--contact-red);
  font-weight: 600;
  border-bottom: 1px solid var(--contact-red);
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
}

.page-contact .contact-aside__policy a:hover {
  color: var(--contact-blue);
  border-bottom-color: var(--contact-blue);
}

/* ===== FAQ Section ===== */
.page-contact .contact-faq {
  background: var(--contact-blue);
  color: #fff;
  padding: 3rem 1.25rem 3.5rem;
}

.page-contact .contact-faq__inner {
  max-width: 1280px;
  margin: 0 auto;
}

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

.page-contact .contact-faq__heading {
  font-family: var(--contact-font-heading);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  line-height: 1.1;
  text-transform: uppercase;
  margin: 0.85rem 0 0;
  max-width: 20ch;
}

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

.page-contact .contact-faq__card {
  display: block;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.25rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-faq__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--contact-red);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-contact .contact-faq__card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--contact-green);
  transform: translateY(-2px);
}

.page-contact .contact-faq__card:hover::before {
  opacity: 1;
}

.page-contact .contact-faq__q {
  display: block;
  font-family: var(--contact-font-data);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--contact-green);
  margin-bottom: 0.5rem;
}

.page-contact .contact-faq__a {
  display: block;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

/* ===== Responsive 见媒体查询 ===== */
@media (min-width: 640px) {
  .page-contact .contact-hero__data-strip {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-contact .contact-card__content {
    padding: 2.25rem 2rem;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 4.5rem 0 5.5rem;
  }

  .page-contact .contact-body__grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 3.5rem;
  }

  .page-contact .contact-body__left {
    flex: 0 1 61%;
  }

  .page-contact .contact-body__right {
    flex: 0 1 36%;
    border-top: none;
    padding-top: 0;
    border-left: 3px solid var(--contact-blue);
    padding-left: 2rem;
    margin-top: 0;
    padding-bottom: 3.5rem;
  }

  .page-contact .contact-aside__sticky {
    position: sticky;
    top: 96px;
    gap: 1.75rem;
  }

  .page-contact .contact-card__heading {
    font-size: clamp(1.6rem, 2.4vw, 2.125rem);
  }

  .page-contact .contact-card--cooperation .contact-card__content {
    padding-right: 2.5rem;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-body__grid {
    gap: 4.5rem;
  }

  .page-contact .contact-body__left {
    flex-basis: 62%;
  }

  .page-contact .contact-body__right {
    flex-basis: 33%;
  }

  .page-contact .contact-card__index {
    font-size: 5rem;
  }

  .page-contact .contact-card__bg img {
    max-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__diagonal::after,
  .page-contact .contact-map-svg__pulse,
  .page-contact .contact-map-svg__line {
    animation: none;
  }
}