.page-contact {
  --contact-radius: 16px;
  background-color: var(--color-bg);
}

/* 顶部 Hero */
.page-contact__hero {
  background: linear-gradient(148deg, var(--color-navy-deep) 0%, var(--color-navy) 58%, #14335A 100%);
  padding: 28px 0 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-cyan) 100%);
  opacity: .85;
}

.page-contact__hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.page-contact__hero .breadcrumb {
  margin-bottom: 28px;
}

.page-contact__hero .breadcrumb__link {
  color: rgba(255, 255, 255, .7);
}

.page-contact__hero .breadcrumb__current {
  color: var(--color-orange);
}

.page-contact__hero-grid {
  display: grid;
  gap: 24px;
}

.page-contact__kicker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 10px;
}

.page-contact__hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 64px);
  line-height: 1.08;
  margin: 0 0 16px;
  color: #fff;
  letter-spacing: .01em;
}

.page-contact__hero-desc {
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
  line-height: 1.7;
  max-width: 660px;
  margin: 0;
}

.page-contact__hero-figure {
  margin: 28px 0 0;
}

.page-contact__hero-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 18px 18px 0 0;
  object-fit: cover;
}

/* 主体栅格 */
.page-contact__grid {
  padding: 44px 0 72px;
  gap: 36px;
}

/* 索引窄栏 */
.page-contact__rail {
  padding-top: 22px;
  position: relative;
}

.page-contact__rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 4px;
  background: var(--color-orange);
}

.page-contact__rail .section-head {
  margin: 10px 0 12px;
  font-size: 22px;
  line-height: 1.2;
}

.page-contact__rail .aside-note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

.page-contact__rail .dotted-rule {
  margin: 18px 0 14px;
}

.page-contact__anchor {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-navy);
  text-decoration: none;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(11, 29, 58, .18);
  transition: color var(--speed-fast) var(--ease-out), padding-left var(--speed-fast) var(--ease-out);
}

.page-contact__anchor:hover,
.page-contact__anchor:focus-visible {
  color: var(--color-orange);
  padding-left: 8px;
}

/* 章节 */
.page-contact__section {
  margin-bottom: 44px;
}

.page-contact__section-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact__section-head .section-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
  color: var(--color-ink);
}

.page-contact__section-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 720px;
  margin: 0 0 22px;
}

/* 客服渠道卡 */
.page-contact__channel-grid {
  display: grid;
  gap: 18px;
}

.page-contact__channel-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border-radius: var(--contact-radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition: transform var(--speed-base) var(--ease-out), box-shadow var(--speed-base) var(--ease-out);
}

.page-contact__channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.page-contact__channel-card:focus-within {
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .35);
}

.page-contact__channel-media {
  flex: 0 0 auto;
  width: 72px;
}

.page-contact__channel-media img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

.page-contact__channel-icon {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(243, 156, 18, .14);
  color: var(--color-orange);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact__channel-body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact__channel-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--color-ink);
}

.page-contact__channel-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0 0 8px;
}

.page-contact__channel-link {
  display: inline-block;
  padding: 8px 14px;
  background: var(--color-navy);
  color: #fff;
  border-radius: 6px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid var(--color-navy);
  word-break: break-all;
  transition: background var(--speed-fast) var(--ease-out), color var(--speed-fast) var(--ease-out), border-color var(--speed-fast) var(--ease-out), transform var(--speed-fast) var(--ease-out);
}

.page-contact__channel-link:hover,
.page-contact__channel-link:focus-visible {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: #fff;
  transform: translateY(-1px);
}

/* 服务时间 */
.page-contact__service-grid {
  display: grid;
  gap: 16px;
}

.page-contact__service-card {
  padding: 22px;
  border-radius: var(--contact-radius);
}

.page-contact__service-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 10px 0 0;
}

.page-contact__service-note {
  margin-top: 18px;
  padding: 14px 18px;
  border-left: 3px solid var(--color-cyan);
  background: rgba(0, 229, 255, .08);
  border-radius: 0 10px 10px 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-ink);
}

/* 联系地址 */
.page-contact__location {
  position: relative;
  border-radius: var(--contact-radius);
  padding: 22px;
  background-color: var(--color-surface);
  background-image:
    linear-gradient(rgba(11, 29, 58, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 29, 58, .05) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid rgba(11, 29, 58, .08);
}

.page-contact__address {
  font-style: normal;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.25;
  color: var(--color-navy);
  margin: 16px 0 10px;
}

.page-contact__address-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0;
}

/* 合作洽谈 */
.page-contact__study {
  background: var(--color-surface);
  padding: 22px;
  border-radius: 0 14px 14px 0;
}

.page-contact__study-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  margin: 0 0 12px;
}

.page-contact__study-text:last-child {
  margin-bottom: 0;
}

.page-contact__further {
  margin-top: 26px;
  border-top: 2px solid var(--color-cyan);
  padding-top: 16px;
}

.page-contact__further-title {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--color-ink);
}

.page-contact__further-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact__further-list a {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--speed-fast) var(--ease-out);
}

.page-contact__further-list a:hover,
.page-contact__further-list a:focus-visible {
  color: var(--color-orange);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-contact__hero {
    padding-top: 40px;
  }

  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 40px;
  }

  .page-contact__hero-figure {
    margin: 0;
    align-self: end;
  }

  .page-contact__hero-img {
    border-radius: 18px 0 0 0;
  }

  .page-contact__grid {
    padding: 60px 0 88px;
  }

  .page-contact__channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact__service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact__channel-card {
    align-items: flex-start;
  }
}

/* 桌面端 */
@media (min-width: 1100px) {
  .page-contact__hero-title {
    font-size: 60px;
  }

  .page-contact__section-desc {
    font-size: 16px;
  }
}