.page-contact {
  --contact-glow-blue: rgba(0, 102, 255, 0.16);
  --contact-glow-purple: rgba(157, 0, 255, 0.10);
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 20px 88px;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 0 40px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--c-border);
}

.page-contact .contact-hero::before {
  display: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  height: 2px;
  width: 64%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent), transparent);
}

.page-contact .contact-hero__copy {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-accent);
  margin: 0 0 12px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 8px;
  color: var(--c-text);
  letter-spacing: 0.01em;
}

.page-contact .contact-hero__subtitle {
  font-size: 17px;
  color: var(--c-text-dim);
  margin: 0 0 16px;
}

.page-contact .contact-hero__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-dim);
  margin: 0;
  max-width: 540px;
}

.page-contact .contact-hero__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: var(--c-panel);
  border-left: 2px solid var(--c-accent);
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__ver {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary);
  padding: 4px 10px;
  border: 1px solid var(--c-primary);
  background: rgba(0, 102, 255, 0.08);
}

.page-contact .contact-hero__status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-text-dim);
  letter-spacing: 0.14em;
}

.page-contact .contact-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 章节标题 ---------- */
.page-contact .section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  position: relative;
}

.page-contact .section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--c-border), transparent);
  margin-left: 16px;
}

.page-contact .section-heading__index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
}

.page-contact .section-heading h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 0;
  letter-spacing: 0.01em;
}

/* ---------- 官方联系渠道 ---------- */
.page-contact .contact-channels {
  margin-bottom: 64px;
  scroll-margin-top: calc(var(--header-h) + 8px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-primary);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  position: relative;
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--contact-glow-blue);
}

.page-contact .channel-card--phone {
  border-top-color: var(--c-accent);
}

.page-contact .channel-card--phone:hover {
  box-shadow: 0 10px 30px var(--contact-glow-purple);
}

.page-contact .channel-card__type {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--c-accent);
  margin-bottom: 8px;
}

.page-contact .channel-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  text-decoration: none;
  display: inline-block;
  padding: 6px 12px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  margin-bottom: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
  align-self: flex-start;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value:hover {
  border-color: var(--c-primary);
  box-shadow: 0 0 16px var(--contact-glow-blue);
}

.page-contact .channel-card__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
  margin: 0;
}

/* ---------- 办公地点 ---------- */
.page-contact .contact-location {
  margin-bottom: 64px;
  scroll-margin-top: calc(var(--header-h) + 8px);
}

.page-contact .contact-location__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .location-info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: linear-gradient(135deg, var(--c-panel) 0%, var(--c-bg-deep) 100%);
  border-left: 2px solid var(--c-neon);
}

.page-contact .location-info::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, transparent 50%, rgba(57, 255, 20, 0.18) 50%);
  pointer-events: none;
}

.page-contact .location-info__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-neon);
  margin: 0;
}

.page-contact .location-info__address {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
}

.page-contact .location-info__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
  margin: 0;
}

.page-contact .location-info__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--c-border);
  font-size: 12px;
  color: var(--c-text-dim);
}

.page-contact .location-map {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-panel);
}

.page-contact .location-map::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 60%;
  background: linear-gradient(105deg, transparent, rgba(0, 102, 255, 0.10), transparent);
  animation: contact-scan 5s linear infinite;
  pointer-events: none;
}

@keyframes contact-scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

.page-contact .location-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .location-map figcaption {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-text-dim);
  background: var(--c-bg-deep);
  text-align: right;
  border-top: 1px solid var(--c-border);
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-response {
  scroll-margin-top: calc(var(--header-h) + 8px);
}

.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .response-visual {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-panel);
}

.page-contact .response-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .response-visual figcaption {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-text-dim);
  background: var(--c-bg-deep);
  text-align: right;
  border-top: 1px solid var(--c-border);
}

.page-contact .response-content {
  padding: 24px;
  background: linear-gradient(180deg, var(--c-panel) 0%, var(--c-bg-deep) 100%);
  border-top: 2px solid var(--c-accent);
}

.page-contact .response-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .response-content h3::before {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  background: var(--c-primary);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-contact .response-content h3:nth-of-type(2)::before {
  background: var(--c-accent);
}

.page-contact .response-content__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-dim);
  margin: 0 0 28px;
}

.page-contact .response-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .response-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text);
  padding: 10px 0 10px 12px;
  border-left: 2px solid var(--c-border);
  transition: border-color 0.3s;
}

.page-contact .response-list li:hover {
  border-left-color: var(--c-primary);
}

.page-contact .response-list li + li {
  border-top: 1px dashed var(--c-border);
}

.page-contact .response-list__mark {
  color: var(--c-accent);
  font-size: 12px;
  font-family: var(--font-mono);
  flex-shrink: 0;
  line-height: 1.8;
}

.page-contact .response-team {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
}

.page-contact .response-team__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  white-space: nowrap;
}

.page-contact .response-team__count {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.5;
}

.page-contact .response-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-response__trust {
  margin-top: 40px;
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
  background: rgba(0, 102, 255, 0.06);
  border-left: 2px solid var(--c-primary);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 768px) {
  .page-contact {
    padding: 48px 40px 112px;
  }

  .page-contact .contact-hero {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    gap: 48px;
    padding: 48px 0;
  }

  .page-contact .contact-hero::before {
    display: block;
    content: "";
    position: absolute;
    top: -8px;
    right: 16px;
    width: 180px;
    height: 180px;
    background:
      linear-gradient(rgba(157, 0, 255, 0.12) 1px, transparent 1px),
      linear-gradient(90deg, rgba(157, 0, 255, 0.12) 1px, transparent 1px);
    background-size: 20px 20px;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
    pointer-events: none;
    z-index: 0;
  }

  .page-contact .contact-hero__copy {
    flex: 1 1 auto;
    max-width: 640px;
  }

  .page-contact .contact-hero__aside {
    flex-shrink: 0;
    width: 300px;
    min-height: 148px;
    justify-content: flex-end;
    align-items: flex-end;
    text-align: right;
    background: linear-gradient(135deg, rgba(157, 0, 255, 0.12), rgba(0, 102, 255, 0.08));
    border-left: 2px solid var(--c-accent);
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-left: 40px;
    padding-right: 40px;
  }

  .page-contact .channel-card--email {
    margin-right: 32px;
  }

  .page-contact .channel-card--phone {
    margin-top: 48px;
    margin-left: 32px;
  }

  .page-contact .contact-location__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .location-info {
    padding: 32px;
  }

  .page-contact .location-info__address {
    font-size: 24px;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
  }

  .page-contact .response-content {
    padding: 32px;
  }

  .page-contact .response-visual img {
    height: 100%;
    min-height: 320px;
  }
}