.page-contact {
  --c-accent: var(--neon-green);
  --c-sub: var(--orange);
  --c-line: var(--dark-gray);
  --c-card: var(--navy-light);
  background: var(--deep-navy);
  color: var(--off-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 28px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-blue);
}

.page-contact .breadcrumb-link {
  color: var(--muted-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-contact .breadcrumb-link:hover {
  color: var(--c-accent);
}

.page-contact .breadcrumb-divider {
  color: var(--c-sub);
}

.page-contact .breadcrumb-item {
  color: var(--off-white);
}

/* 板块标签 */
.page-contact .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-sub);
}

.page-contact .section-label::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--c-sub);
  display: inline-block;
}

/* Hero */
.page-contact .contact-hero {
  position: relative;
  padding: 44px 0 60px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(57, 255, 20, 0.1) 0%, transparent 45%),
    radial-gradient(ellipse at 10% 85%, rgba(0, 229, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-contact .contact-hero-copy {
  order: 1;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 38px;
  line-height: 1.1;
  margin: 16px 0 16px;
  letter-spacing: 0.01em;
}

.page-contact .contact-hero-copy h1 span {
  display: block;
  color: var(--c-accent);
  font-size: 18px;
  font-family: var(--font-body);
  letter-spacing: 0.12em;
  margin-top: 8px;
}

.page-contact .contact-hero-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted-blue);
  max-width: 44ch;
  margin: 0 0 24px;
}

.page-contact .hero-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .hero-meta-tags span {
  border: 1px solid var(--c-line);
  background: rgba(19, 36, 60, 0.5);
  color: var(--off-white);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-contact .hero-meta-tags span:first-child {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.page-contact .contact-hero-media {
  order: 2;
  position: relative;
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-contact .hero-media-stamp {
  position: absolute;
  bottom: 18px;
  right: 16px;
  background: rgba(10, 22, 40, 0.85);
  border: 1px solid var(--c-accent);
  color: var(--c-accent);
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 6px 12px;
}

/* 联系卡片区 */
.page-contact .contact-channels {
  padding: 0 0 44px;
}

.page-contact .contact-grid {
  display: grid;
  gap: 20px;
}

.page-contact .contact-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  position: relative;
  padding: 28px 24px;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

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

.page-contact .contact-card-main {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-card-main::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-accent), var(--cyan));
}

.page-contact .card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.page-contact .card-topline .section-label::before {
  display: none;
}

.page-contact .card-index {
  font-family: var(--font-numeric);
  font-size: 14px;
  color: var(--c-accent);
  letter-spacing: 0.08em;
}

.page-contact .contact-card h2 {
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 26px;
  line-height: 1.18;
  margin: 0 0 12px;
}

.page-contact .card-desc {
  color: var(--muted-blue);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 22px;
}

.page-contact .mail-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-numeric);
  font-size: 15px;
  color: var(--c-accent);
  text-decoration: none;
  border: 1px solid var(--c-accent);
  background: rgba(57, 255, 20, 0.06);
  padding: 12px 18px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.page-contact .mail-link:hover {
  background: var(--c-accent);
  color: var(--deep-navy);
}

.page-contact .mail-icon {
  font-size: 18px;
  font-weight: 700;
}

.page-contact .echo-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-blue);
}

.page-contact .echo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent);
}

/* 电话侧卡 */
.page-contact .side-card-stack {
  display: flex;
  flex-direction: column;
}

.page-contact .contact-card-phone {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-contact .phone-caption {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-blue);
  margin: 0 0 10px;
}

.page-contact .phone-number {
  display: block;
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 34px;
  line-height: 1.1;
  color: var(--c-accent);
  text-decoration: none;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.page-contact .phone-number:hover {
  color: var(--cyan);
}

.page-contact .phone-hours {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted-blue);
  margin: 0;
  border-left: 2px solid var(--c-sub);
  padding-left: 12px;
}

/* 业务合作 */
.page-contact .contact-biz {
  padding: 0 0 44px;
}

.page-contact .biz-inner {
  background: var(--navy-light);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-sub);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}

.page-contact .biz-copy h2 {
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 26px;
  margin: 12px 0 10px;
}

.page-contact .biz-copy p {
  color: var(--muted-blue);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 16px;
  max-width: 50ch;
}

.page-contact .biz-mail {
  display: inline-block;
  font-family: var(--font-numeric);
  font-size: 15px;
  color: var(--c-sub);
  border-bottom: 2px solid var(--c-sub);
  padding-bottom: 4px;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-contact .biz-mail:hover {
  color: var(--off-white);
  border-bottom-color: var(--off-white);
}

.page-contact .biz-strip {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--font-headline);
  font-size: 16px;
  letter-spacing: 0.1em;
  color: rgba(255, 106, 0, 0.45);
}

/* 地址 */
.page-contact .contact-address {
  padding: 0 0 44px;
}

.page-contact .address-grid {
  display: grid;
  gap: 28px;
}

.page-contact .address-copy h2 {
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 26px;
  line-height: 1.2;
  margin: 12px 0 14px;
}

.page-contact .address-text {
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 22px;
  line-height: 1.35;
  color: var(--off-white);
  margin: 0 0 12px;
}

.page-contact .address-note {
  color: var(--muted-blue);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 22px;
}

.page-contact .address-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--c-line);
  padding: 12px 0;
  font-size: 14px;
}

.page-contact .address-line .line-label {
  color: var(--muted-blue);
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-contact .address-line .line-value {
  color: var(--off-white);
  text-align: right;
}

.page-contact .address-map-block {
  position: relative;
}

.page-contact .address-map-block img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-line);
}

.page-contact .map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(10, 22, 40, 0.9);
  border: 1px solid var(--c-accent);
  padding: 8px 16px;
  font-size: 13px;
  color: var(--c-accent);
}

.page-contact .pin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.2);
}

/* 帮助导航 */
.page-contact .contact-nav-links {
  padding: 8px 0 64px;
}

.page-contact .nav-links-grid {
  display: grid;
  gap: 16px;
}

.page-contact .assist-link {
  display: block;
  background: rgba(19, 36, 60, 0.6);
  border: 1px solid var(--c-line);
  padding: 24px;
  text-decoration: none;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.page-contact .assist-link:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.page-contact .assist-index {
  display: block;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-sub);
  margin-bottom: 10px;
}

.page-contact .assist-title {
  display: block;
  font-family: var(--font-headline), 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 22px;
  color: var(--off-white);
  margin-bottom: 8px;
}

.page-contact .assist-title .arrow {
  display: inline-block;
  color: var(--c-accent);
  transition: transform var(--transition-normal);
}

.page-contact .assist-link:hover .arrow {
  transform: translateX(6px);
}

.page-contact .assist-desc {
  display: block;
  color: var(--muted-blue);
  font-size: 14px;
  line-height: 1.6;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 72px 0 84px;
  }

  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    align-items: center;
    gap: 48px;
  }

  .page-contact .contact-hero-copy {
    order: 1;
  }

  .page-contact .contact-hero-media {
    order: 2;
    margin-right: -20px;
  }

  .page-contact .contact-hero-copy h1 {
    font-size: 64px;
  }

  .page-contact .contact-hero-copy h1 span {
    font-size: 24px;
  }

  .page-contact .contact-hero-copy .section-label {
    margin-bottom: 8px;
  }

  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-contact .contact-card-main {
    padding: 36px 32px;
  }

  .page-contact .contact-card-main h2 {
    font-size: 34px;
  }

  .page-contact .mail-link {
    font-size: 17px;
    padding: 14px 22px;
  }

  .page-contact .contact-card-phone {
    padding: 32px;
  }

  .page-contact .phone-number {
    font-size: 42px;
  }

  .page-contact .biz-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: 32px 36px;
  }

  .page-contact .biz-strip {
    margin-top: 0;
    flex-direction: column;
    text-align: right;
    font-size: 18px;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 48px;
  }

  .page-contact .address-copy h2 {
    font-size: 34px;
  }

  .page-contact .address-text {
    font-size: 26px;
  }

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

  .page-contact .assist-link {
    padding: 30px 32px;
  }
}