.page-contact {
  --contact-border: 2px solid var(--c-line);
  --contact-shadow: 8px 8px 0 rgba(61, 90, 254, 0.22);
  --contact-green-tint: rgba(198, 255, 0, 0.12);
  --contact-purple-text: #b58dff;
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumb {
  position: relative;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding-top: calc(var(--header-total-h) + 1.25rem);
  padding-bottom: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}
.page-contact .breadcrumb__item {
  color: var(--c-muted);
  text-decoration: none;
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--c-line);
}
.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--c-green);
}

/* ===== 区块通用标题 ===== */
.page-contact .display-index {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.625rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-green);
}
.page-contact .display-index::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background: var(--c-green);
}
.page-contact .contact-channel__head h2,
.page-contact .contact-boundary__head h2,
.page-contact .contact-address__info h2,
.page-contact .contact-response__head h2,
.page-contact .contact-quick__inner h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

/* ===== Hero ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 2.25rem 0 3.75rem;
  background-image:
    linear-gradient(rgba(61, 90, 254, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 90, 254, 0.055) 1px, transparent 1px),
    linear-gradient(100deg, transparent 62%, rgba(61, 90, 254, 0.11) 62%, transparent 68%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 1.5rem;
  left: 0;
  width: 5px;
  height: 68px;
  background: var(--c-green);
  box-shadow: 0 14px 0 var(--c-line);
}
.page-contact .contact-hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact .contact-hero__copy {
  position: relative;
  z-index: 2;
}
.page-contact .contact-hero__copy .display-title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.125rem, 8vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.page-contact .contact-hero__lead {
  max-width: 33rem;
  margin: 0 0 1.5rem;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-contact .contact-hero__hint {
  margin: 1.25rem 0 0;
  color: var(--c-muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}
.page-contact .contact-hero__hint .data-text {
  color: var(--c-text);
  font-weight: 700;
}
.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  background: var(--c-panel);
}
.page-contact .contact-hero__media::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  z-index: 3;
  border-top: 44px solid var(--c-bg);
  border-left: 44px solid transparent;
}
.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(120deg, transparent 62%, rgba(198, 255, 0, 0.1) 62%, transparent 66%);
  pointer-events: none;
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.05);
}

/* ===== 联系渠道窗口 ===== */
.page-contact .contact-channel {
  position: relative;
  padding: 3rem 0 4rem;
}
.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  right: 0;
  top: 5rem;
  width: 42%;
  height: 18rem;
  background: repeating-linear-gradient(90deg, transparent 0 10px, rgba(61, 90, 254, 0.07) 10px 12px);
  pointer-events: none;
}
.page-contact .contact-channel__head {
  position: relative;
  z-index: 2;
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 4px solid var(--c-green);
}
.page-contact .contact-channel__head p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}
.page-contact .contact-channel__panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .contact-channel__figure {
  display: none;
  margin: 0;
  border: var(--contact-border);
  background: var(--c-panel);
  overflow: hidden;
}
.page-contact .contact-channel__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .contact-channel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-contact .contact-channel__card {
  position: relative;
  padding: 1.5rem 1.25rem 1.5rem;
  background: rgba(19, 23, 54, 0.88);
  border: var(--contact-border);
  box-shadow: 6px 6px 0 rgba(61, 90, 254, 0.2);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .contact-channel__card:hover {
  transform: translateY(-4px);
  box-shadow: 12px 12px 0 rgba(61, 90, 254, 0.28);
}
.page-contact .contact-channel__card::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0.75rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 11px 0 0 rgba(61, 90, 254, 0.6), 22px 0 0 rgba(255, 109, 0, 0.55);
}
.page-contact .contact-channel__card--info {
  border-top-color: var(--c-green);
}
.page-contact .contact-channel__card--phone {
  border-top-color: var(--c-line);
}
.page-contact .contact-channel__card--address {
  border-top-color: var(--c-purple);
}
.page-contact .contact-channel__card--support {
  border-top-color: var(--c-orange);
}
.page-contact .contact-channel__num {
  position: absolute;
  top: 0.75rem;
  right: 0.875rem;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--c-muted);
}
.page-contact .contact-channel__card h3 {
  margin: 0.375rem 0 0.375rem;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.page-contact .contact-channel__desc {
  margin: 0 0 1rem;
  color: var(--c-muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}
.page-contact .contact-channel__value {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-green);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
}
.page-contact .contact-channel__value:hover {
  border-bottom-color: var(--c-green);
}
.page-contact .contact-channel__addr {
  margin: 0 0 0.875rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}
.page-contact .contact-channel__note {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  color: var(--c-muted);
  background: rgba(61, 90, 254, 0.12);
  border: 1px solid rgba(61, 90, 254, 0.4);
}
.page-contact .contact-channel__badge {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  color: var(--c-orange);
  background: rgba(255, 109, 0, 0.15);
  border: 1px solid rgba(255, 109, 0, 0.55);
}

/* ===== 邮箱使用边界 ===== */
.page-contact .contact-boundary {
  position: relative;
  padding: 3rem 0;
}
.page-contact .contact-boundary__head {
  margin-bottom: 2rem;
}
.page-contact .contact-boundary__head p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}
.page-contact .contact-boundary__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .contact-boundary__item {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--c-panel);
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
}
.page-contact .contact-boundary__item--info {
  border-left: 6px solid var(--c-line);
}
.page-contact .contact-boundary__item--support {
  border-left: 6px solid var(--c-orange);
}
.page-contact .contact-boundary__item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-data);
  font-size: 1rem;
  word-break: break-all;
}
.page-contact .contact-boundary__tag {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-green);
  border: 1px solid rgba(198, 255, 0, 0.5);
}
.page-contact .contact-boundary__item--support .contact-boundary__tag {
  color: var(--c-orange);
  border-color: rgba(255, 109, 0, 0.5);
}
.page-contact .contact-boundary__item ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-boundary__item li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.4rem;
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}
.page-contact .contact-boundary__item li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--c-green);
  font-family: var(--font-data);
}
.page-contact .contact-boundary__item--support li::before {
  color: var(--c-orange);
}
.page-contact .contact-boundary__sla {
  margin: 1rem 0 0;
  padding: 0.625rem 0.75rem;
  color: var(--c-text);
  font-size: 0.8125rem;
  line-height: 1.7;
  border: 1px dashed rgba(255, 109, 0, 0.55);
}

/* ===== 地址说明 ===== */
.page-contact .contact-address {
  padding: 3rem 0 0;
}
.page-contact .contact-address__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact .contact-address__map {
  position: relative;
  margin: 0;
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
  background: var(--c-panel);
}
.page-contact .contact-address__map::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  z-index: 3;
  border: 2px solid var(--c-green);
  background: var(--contact-green-tint);
  box-shadow: 0 0 0 12px rgba(198, 255, 0, 0.08);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.page-contact .contact-address__map::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(135deg, transparent 42%, rgba(198, 255, 0, 0.06) 42%, transparent 46%),
    linear-gradient(45deg, transparent 42%, rgba(61, 90, 254, 0.1) 42%, transparent 46%);
  pointer-events: none;
}
.page-contact .contact-address__map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .contact-address__info {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--c-panel);
  border: var(--contact-border);
  box-shadow: var(--contact-shadow);
}
.page-contact .contact-address__info::after {
  content: "";
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 2.75rem;
  height: 2.75rem;
  border-top: 2px solid var(--c-green);
  border-right: 2px solid var(--c-green);
}
.page-contact .contact-address__info .display-index::before {
  width: 1.5rem;
  background: var(--c-purple);
}
.page-contact .contact-address__line {
  position: relative;
  margin: 1.25rem 0 1rem;
  padding-left: 1.25rem;
  font-size: clamp(1.125rem, 3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.5;
}
.page-contact .contact-address__line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 3px;
  height: 1.05em;
  background: var(--c-green);
  transform: skewY(-18deg);
}
.page-contact .contact-address__desc {
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.85;
}
.page-contact .contact-address__tag {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  color: var(--contact-purple-text);
  background: rgba(122, 46, 255, 0.14);
  border: 1px solid rgba(122, 46, 255, 0.6);
}

/* ===== 响应承诺 ===== */
.page-contact .contact-response {
  position: relative;
  padding: 3.5rem 0;
}
.page-contact .contact-response::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green), var(--c-line), var(--c-purple), var(--c-orange));
}
.page-contact .contact-response__head {
  margin-bottom: 2rem;
}
.page-contact .contact-response__head p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}
.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .contact-response__item {
  position: relative;
  padding: 1.75rem 1.5rem 1.75rem 4rem;
  background: rgba(5, 8, 20, 0.55);
  border: var(--contact-border);
  transition: border-color 0.25s ease;
}
.page-contact .contact-response__item:hover {
  border-color: var(--c-green);
}
.page-contact .contact-response__num {
  position: absolute;
  top: 1.75rem;
  left: 1.25rem;
  font-family: var(--font-data);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--c-line);
}
.page-contact .contact-response__item h3 {
  margin: 0 0 0.625rem;
  font-size: 1.125rem;
}
.page-contact .contact-response__item p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

/* ===== 快速入口 ===== */
.page-contact .contact-quick {
  padding: 0 0 4.5rem;
}
.page-contact .contact-quick__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  box-shadow: var(--contact-shadow);
}
.page-contact .contact-quick__inner h2 {
  margin-bottom: 0;
}
.page-contact .contact-quick__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ===== 桌面端 ===== */
@media (min-width: 880px) {
  .page-contact .contact-hero {
    padding-top: 3rem;
  }
  .page-contact .contact-hero__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 3rem;
  }
  .page-contact .contact-hero__media {
    margin-right: -1rem;
  }
  .page-contact .contact-channel__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 1rem;
  }
  .page-contact .contact-channel__head p {
    flex-basis: 100%;
  }
  .page-contact .contact-channel__panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 1.75rem;
  }
  .page-contact .contact-channel__figure {
    display: block;
  }
  .page-contact .contact-channel__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
  .page-contact .contact-channel__card:nth-child(2n) {
    transform: translateY(1.25rem);
  }
  .page-contact .contact-channel__card:nth-child(2n):hover {
    transform: translateY(0.75rem);
  }
  .page-contact .contact-boundary__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-address__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 2.5rem;
  }
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .contact-quick__inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem 2.5rem;
  }
  .page-contact .contact-quick__links {
    justify-content: flex-end;
  }
}