/* ===================== 联系对接页 /reach-us/ ===================== */
.page-contact {
  --contact-panel-pad: 1.5rem;
  --contact-neon-filter: rgba(0, 255, 136, 0.08);
  --contact-blue-filter: rgba(0, 191, 255, 0.08);
  --contact-gold-filter: rgba(255, 215, 0, 0.08);
  position: relative;
  isolation: isolate;
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: clip;
}

/* ---------- 顶部导语区 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  background: var(--grad-header);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px 340px at 82% -10%, rgba(0, 191, 255, 0.09), transparent 62%),
    radial-gradient(600px 320px at 8% 110%, rgba(0, 255, 136, 0.05), transparent 58%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(620px 300px at 76% 18%, #000 8%, transparent 76%);
  mask-image: radial-gradient(620px 300px at 76% 18%, #000 8%, transparent 76%);
  pointer-events: none;
}

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

.page-contact .contact-hero .breadcrumb {
  padding-top: 1.25rem;
}

.page-contact .contact-hero-layout {
  display: grid;
  gap: 2rem;
  padding: 2.5rem 0 3rem;
}

@media (min-width: 900px) {
  .page-contact .contact-hero-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
    gap: 3rem;
    padding: 4.5rem 0 4.25rem;
  }
}

.page-contact .contact-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 0.75rem;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.page-contact .contact-text-gradient {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .contact-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 36rem;
  margin: 0;
}

/* 服务时间侧卡 */
.page-contact .contact-live-card {
  position: relative;
  padding: 1.5rem 1.625rem 1.625rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.88));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.page-contact .contact-live-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-accent);
  opacity: 0.85;
}

.page-contact .contact-live-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 0.375rem;
}

.page-contact .contact-live-time {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-text);
  margin: 0;
}

.page-contact .contact-live-zone {
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin: 0.5rem 0 0;
  padding-top: 0.625rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

/* ---------- 联系方式区背景网格 ---------- */
.page-contact .contact-channels {
  position: relative;
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(0, 191, 255, 0.08) 1px, transparent 1.5px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 80%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 80%);
  pointer-events: none;
}

/* ---------- 联系人卡片 ---------- */
.page-contact .contact-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

@media (min-width: 880px) {
  .page-contact .contact-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
  }
}

.page-contact .contact-card {
  --card-accent: var(--c-accent);
  --card-icon-bg: rgba(0, 255, 136, 0.09);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 1.5rem 1.5rem 1.625rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  text-decoration: none;
  color: var(--c-text);
  overflow: hidden;
  transition: border-color var(--tr), transform var(--tr), box-shadow var(--tr);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity var(--tr);
}

.page-contact .contact-card--mail {
  --card-accent: var(--c-blue);
  --card-icon-bg: rgba(0, 191, 255, 0.1);
}

.page-contact .contact-card--support {
  --card-accent: var(--c-gold);
  --card-icon-bg: rgba(255, 215, 0, 0.1);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-visible {
  border-color: var(--card-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  outline: none;
}

.page-contact .contact-card:hover::before,
.page-contact .contact-card:focus-visible::before {
  opacity: 1;
}

.page-contact .contact-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--card-icon-bg);
  color: var(--card-accent, var(--c-accent));
  margin-bottom: 0.625rem;
}

.page-contact .contact-card-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .contact-card-value {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-text);
  margin: 0;
  word-break: break-all;
}

.page-contact .contact-card-note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0.35rem 0 0;
}

/* ---------- 地址与服务时间 ---------- */
.page-contact .contact-extras {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

@media (min-width: 880px) {
  .page-contact .contact-extras {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 1rem;
  }
}

.page-contact .contact-extras-card {
  --extras-accent: var(--c-accent);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: var(--contact-panel-pad);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  position: relative;
  overflow: hidden;
  transition: border-color var(--tr), transform var(--tr);
}

.page-contact .contact-extras-card--service {
  --extras-accent: var(--c-blue);
}

.page-contact .contact-extras-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--extras-accent);
  opacity: 0.5;
}

.page-contact .contact-extras-card:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

@media (min-width: 640px) {
  .page-contact .contact-extras-card {
    flex-direction: row;
    align-items: center;
  }

  .page-contact .contact-extras-card .contact-card-icon {
    flex-shrink: 0;
  }

  .page-contact .contact-extras-copy {
    flex: 1;
  }
}

.page-contact .contact-extras-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.page-contact .contact-extras-copy .contact-card-label {
  margin-bottom: 0.15rem;
}

.page-contact .contact-extras-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  color: var(--c-text);
}

.page-contact .contact-extras-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
}

@media (min-width: 640px) {
  .page-contact .contact-extras-img {
    width: 240px;
    flex-shrink: 0;
  }
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-collab {
  position: relative;
}

.page-contact .contact-collab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 960px) {
  .page-contact .contact-collab-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 1.25rem;
  }
}

.page-contact .contact-collab-panel {
  position: relative;
  padding: 1.75rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  overflow: hidden;
}

.page-contact .contact-collab-panel--partners {
  background: linear-gradient(180deg, rgba(23, 31, 47, 0.92), rgba(15, 23, 42, 0.96));
}

.page-contact .contact-collab-panel--partners::after {
  content: "";
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: var(--grad-accent);
  opacity: 0.65;
}

.page-contact .contact-collab-panel--feedback {
  background: linear-gradient(180deg, rgba(17, 24, 39, 1), rgba(15, 23, 42, 0.9));
}

.page-contact .contact-collab-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0.875rem 0 0.625rem;
  color: var(--c-text);
}

.page-contact .contact-collab-intro {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .contact-collab-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.page-contact .contact-collab-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.125rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: rgba(10, 14, 23, 0.5);
  transition: border-color var(--tr), background var(--tr);
}

.page-contact .contact-collab-item:hover {
  border-color: rgba(0, 255, 136, 0.35);
  background: rgba(10, 14, 23, 0.7);
}

.page-contact .contact-collab-index {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-accent);
  flex-shrink: 0;
  min-width: 2rem;
}

.page-contact .contact-collab-copy h4,
.page-contact .contact-feedback-item h4 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 0.3rem;
  color: var(--c-text);
}

.page-contact .contact-collab-copy p,
.page-contact .contact-feedback-item p {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-muted);
  margin: 0;
}

/* 反馈列表 */
.page-contact .contact-feedback-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .contact-feedback-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: rgba(10, 14, 23, 0.5);
  transition: border-color var(--tr);
}

.page-contact .contact-feedback-item:hover {
  border-color: rgba(0, 191, 255, 0.35);
}

.page-contact .contact-feedback-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 6px;
  background: rgba(0, 191, 255, 0.1);
  color: var(--c-blue);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.page-contact .contact-response {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1.5rem;
  padding: 0.875rem 1.125rem;
  border: 1px solid rgba(0, 255, 136, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 136, 0.06);
}

.page-contact .contact-response-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.14);
}

.page-contact .contact-response p {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-text);
  margin: 0;
}

/* ---------- 页面地图 ---------- */
.page-contact .contact-sitemap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

@media (min-width: 640px) {
  .page-contact .contact-sitemap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-sitemap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .contact-sitemap-link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.375rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  text-decoration: none;
  color: var(--c-text);
  transition: border-color var(--tr), transform var(--tr), box-shadow var(--tr);
}

.page-contact .contact-sitemap-link:hover,
.page-contact .contact-sitemap-link:focus-visible {
  border-color: rgba(0, 191, 255, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
  outline: none;
}

.page-contact .contact-sitemap-index {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.2;
  color: rgba(249, 250, 251, 0.45);
  min-width: 2.25rem;
  transition: color var(--tr);
}

.page-contact .contact-sitemap-link:hover .contact-sitemap-index,
.page-contact .contact-sitemap-link:focus-visible .contact-sitemap-index {
  color: var(--c-blue);
}

.page-contact .contact-sitemap-copy {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-contact .contact-sitemap-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.page-contact .contact-sitemap-desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-extras-card,
  .page-contact .contact-collab-item,
  .page-contact .contact-feedback-item,
  .page-contact .contact-sitemap-link {
    transition: none;
  }
}