/* ========================================
   联系我们页 —— 专属样式
   作用域：.page-contact
   移动端优先，桌面断点 64rem
======================================== */

.page-contact {
  --pc-accent: #FF6B35;
  --pc-cyan: #00E5FF;
  --pc-paper: #F5F0E8;
  --pc-ink: #1A1A1A;
  --pc-bg-deep: #061633;
  --pc-bg-alt: #1E3A5F;
  --pc-muted: #8A94A6;
  --pc-border: rgba(192, 200, 208, 0.22);
  background: var(--c-bg);
  color: var(--c-paper);
}

/* ---------- 面包屑 ---------- */
.page-contact__breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-lg) 1rem 0;
}

/* ---------- 首屏 Hero ---------- */
.page-contact__hero {
  position: relative;
  padding: var(--space-lg) 0 var(--space-xl);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(255, 107, 53, 0.04) 55%, transparent 100%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-deep) 100%);
  overflow: hidden;
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(36vw, 22rem);
  height: 100%;
  background: repeating-linear-gradient(
    -55deg,
    transparent 0 6px,
    rgba(0, 229, 255, 0.045) 6px 7px
  );
  pointer-events: none;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pc-accent) 0%, var(--pc-accent) 8%, transparent 8%, transparent 100%);
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}

.page-contact__hero-inner {
  display: grid;
  gap: var(--space-lg);
}

.page-contact__hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pc-cyan);
  margin: 0 0 var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-contact__hero-kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--pc-accent);
  display: inline-block;
}

.page-contact__hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--c-paper);
  text-transform: uppercase;
}

.page-contact__hero-sub {
  font-family: var(--font-head);
  font-size: clamp(1.125rem, 2.4vw, 1.75rem);
  font-weight: 600;
  color: rgba(255, 107, 53, 0.9);
  margin: var(--space-sm) 0 0;
}

.page-contact__hero-desc {
  max-width: 62ch;
  color: var(--pc-muted);
  line-height: 1.85;
  margin: var(--space-md) 0 0;
}

.page-contact__hero-desc strong {
  color: var(--c-paper);
  font-weight: 600;
}

.page-contact__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.page-contact__hero-fig {
  margin: 0;
  position: relative;
}

.page-contact__hero-fig::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: -0.5rem;
  width: 48px;
  height: 48px;
  border-top: 2px solid var(--pc-accent);
  border-left: 2px solid var(--pc-accent);
  z-index: 1;
}

.page-contact__hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(0, 229, 255, 0.18);
  filter: saturate(0.9) contrast(1.05);
}

.page-contact__figcap {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--pc-muted);
  margin-top: 0.5rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--pc-accent);
  text-transform: uppercase;
}

/* ---------- 通用区块头部 ---------- */
.page-contact__section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--pc-border);
}

.page-contact__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--pc-accent);
  background: rgba(255, 107, 53, 0.12);
  padding: 0.25rem 0.5rem;
  border-left: 2px solid var(--pc-accent);
  align-self: center;
}

.page-contact__num--light {
  background: rgba(255, 107, 53, 0.18);
  color: var(--pc-accent);
}

.page-contact__heading {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin: 0;
  color: var(--c-paper);
}

.page-contact__heading--light {
  color: var(--pc-ink);
}

.page-contact__heading-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--pc-muted);
  text-transform: uppercase;
  margin-left: auto;
}

/* ---------- 联系渠道 ---------- */
.page-contact__channels {
  padding-top: var(--space-md);
}

.page-contact__channel-list {
  display: grid;
  gap: var(--space-md);
}

.page-contact__channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--pc-bg-alt);
  border: 1px solid transparent;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-contact__channel:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.page-contact__channel--mail {
  border-left: 4px solid var(--pc-accent);
}

.page-contact__channel--phone {
  border-left: 4px solid var(--pc-cyan);
}

.page-contact__channel--address {
  background: var(--pc-paper);
  color: var(--pc-ink);
  border-left: 4px solid var(--pc-accent);
}

.page-contact__channel-icon {
  color: var(--pc-cyan);
  display: inline-flex;
}

.page-contact__channel--mail .page-contact__channel-icon {
  color: var(--pc-accent);
}

.page-contact__channel--address .page-contact__channel-icon {
  color: var(--pc-accent);
}

.page-contact__channel-copy {
  min-width: 0;
}

.page-contact__channel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pc-muted);
  margin: 0 0 var(--space-xs);
}

.page-contact__channel--address .page-contact__channel-label {
  color: #867058;
}

.page-contact__channel-value {
  font-family: var(--font-mono);
  font-size: clamp(1.175rem, 3vw, 1.8rem);
  line-height: 1.3;
  word-break: break-all;
  display: inline-block;
  transition: color var(--transition);
}

.page-contact__channel-value--mail,
.page-contact__channel-value--phone {
  color: var(--c-paper);
}

.page-contact__channel--mail .page-contact__channel-value--mail:hover {
  color: var(--pc-accent);
}

.page-contact__channel--phone .page-contact__channel-value--phone:hover {
  color: var(--pc-cyan);
}

.page-contact__channel-value--address {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.125rem, 2.5vw, 1.6rem);
  color: var(--pc-ink);
  word-break: normal;
}

.page-contact__channel-note {
  font-size: 0.9rem;
  color: var(--pc-muted);
  margin: var(--space-xs) 0 0;
  line-height: 1.6;
}

.page-contact__channel--address .page-contact__channel-note {
  color: #7a6a58;
}

.page-contact__channel-arrow {
  font-family: var(--font-mono);
  color: var(--pc-muted);
  align-self: flex-end;
  font-size: 1.25rem;
  line-height: 1;
  margin-top: auto;
}

.page-contact__channel--mail .page-contact__channel-arrow {
  color: var(--pc-accent);
}

.page-contact__channel--phone .page-contact__channel-arrow {
  color: var(--pc-cyan);
}

.page-contact__channel-map {
  margin: var(--space-md) 0 0;
}

.page-contact__channel-map img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(26, 26, 26, 0.14);
}

/* ---------- 客服响应时间 ---------- */
.page-contact__hours {
  padding-top: 0;
  padding-bottom: var(--space-xl);
}

.page-contact__hours-panel {
  position: relative;
  background: var(--pc-paper);
  color: var(--pc-ink);
  padding: var(--space-lg) var(--space-md);
  clip-path: polygon(0 0, calc(100% - 36px) 0, 100% 36px, 100% 100%, 0 100%);
  display: grid;
  gap: var(--space-lg);
  overflow: hidden;
}

.page-contact__hours-panel::before {
  content: "";
  position: absolute;
  top: 36px;
  right: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--pc-accent) 0%, var(--pc-accent) 55%, var(--pc-cyan) 55%, var(--pc-cyan) 100%);
}

.page-contact__hours-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-contact__hours-list {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-sm) 0 0;
}

.page-contact__hours-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-md);
  align-items: baseline;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(122, 106, 88, 0.2);
}

.page-contact__hours-item dt {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: #7a6a58;
}

.page-contact__hours-item dd {
  font-family: var(--font-mono);
  font-size: clamp(1.125rem, 2.6vw, 1.5rem);
  font-weight: 700;
  color: var(--pc-ink);
  margin: 0 0 0 auto;
}

.page-contact__hours-note {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #5a4e40;
  max-width: 70ch;
}

.page-contact__hours-tick {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-top: 2px solid rgba(122, 106, 88, 0.25);
  padding-top: var(--space-md);
}

.page-contact__hours-time {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--pc-ink);
}

.page-contact__hours-arrow {
  color: var(--pc-accent);
  font-family: var(--font-mono);
  font-size: 2rem;
}

.page-contact__hours-tick p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #a49a88;
  margin: 0 0 0 auto;
  text-transform: uppercase;
  align-self: flex-end;
  padding-bottom: 0.4rem;
}

/* ---------- 自助帮助 ---------- */
.page-contact__selfhelp {
  padding-top: 0;
  padding-bottom: var(--space-xl);
}

.page-contact__selfhelp-intro {
  max-width: 66ch;
  color: var(--pc-muted);
  line-height: 1.8;
  margin: 0 0 var(--space-lg);
}

.page-contact__selfhelp-intro::before {
  content: "→ ";
  color: var(--pc-accent);
  font-weight: 700;
}

.page-contact__selfhelp-grid {
  display: grid;
  gap: var(--space-md);
}

.page-contact__help-card {
  position: relative;
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--pc-bg-alt);
  border: 1px solid var(--pc-border);
  border-left: 3px solid var(--pc-accent);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.page-contact__help-card:hover {
  background: #25476f;
  border-left-color: var(--pc-cyan);
  transform: translateY(-2px);
}

.page-contact__help-index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--pc-cyan);
  padding: 0.2rem 0.45rem;
  border: 1px solid rgba(0, 229, 255, 0.3);
  flex-shrink: 0;
}

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

.page-contact__help-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-paper);
  margin: 0 0 var(--space-xs);
}

.page-contact__help-text {
  font-size: 0.9rem;
  color: var(--pc-muted);
  line-height: 1.7;
  margin: 0;
  max-width: 60ch;
}

.page-contact__help-arrow {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--pc-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.page-contact__help-card:hover .page-contact__help-arrow {
  transform: translate(2px, -2px);
}

/* ========================================
   桌面端断点
======================================== */
@media (min-width: 64rem) {
  .page-contact__breadcrumb {
    padding-top: var(--space-xl);
  }

  /* Hero 两列 */
  .page-contact__hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: var(--space-xl);
  }

  .page-contact__hero {
    padding-top: var(--space-xl);
  }

  .page-contact__hero-title {
    font-size: clamp(3.5rem, 6vw, 5.25rem);
  }

  .page-contact__hero-fig {
    margin-top: var(--space-lg);
  }

  /* 渠道两列，地址跨两列 */
  .page-contact__channel-list {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .page-contact__channel--address {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(240px, 30%);
    align-items: start;
    gap: var(--space-md);
  }

  .page-contact__channel--address .page-contact__channel-copy {
    grid-column: 2;
  }

  .page-contact__channel-map {
    grid-column: 3;
    grid-row: 1;
    margin: 0;
  }

  .page-contact__channel--address .page-contact__channel-icon {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact__channel--address .page-contact__channel-arrow {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

  .page-contact__channel--address .page-contact__channel-map {
    grid-row: 2;
    grid-column: 1 / -1;
    margin-top: var(--space-md);
  }

  .page-contact__channel--address .page-contact__channel-map img {
    max-height: 220px;
    width: 100%;
    object-fit: cover;
  }

  /* 响应时间两列 */
  .page-contact__hours-panel {
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
    padding: var(--space-xl);
  }

  .page-contact__hours-copy {
    max-width: 58ch;
  }

  .page-contact__hours-tick {
    flex-direction: column;
    align-items: flex-start;
    border-top: none;
    border-left: 2px solid rgba(122, 106, 88, 0.3);
    padding-top: 0;
    padding-left: var(--space-lg);
    justify-content: center;
  }

  .page-contact__hours-tick p {
    margin: var(--space-sm) 0 0;
    align-self: flex-start;
    padding-bottom: 0;
  }

  /* 自助帮助 */
  .page-contact__selfhelp-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
  }

  .page-contact__help-card {
    flex-direction: column;
    min-height: 15rem;
  }

  .page-contact__help-card .page-contact__help-arrow {
    margin-top: auto;
    align-self: flex-end;
  }
}