.page-contact {
  --contact-panel-bg: rgba(14, 23, 54, 0.72);
  --contact-line-muted: rgba(160, 170, 191, 0.15);
  --contact-line-faint: rgba(160, 170, 191, 0.06);
  --contact-track-line: rgba(0, 255, 163, 0.28);
  overflow-x: clip;
}

/* ===== Hero ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 32px 0 64px;
  background:
    linear-gradient(var(--contact-line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-line-faint) 1px, transparent 1px);
  background-size: 34px 34px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -8%;
  width: 54%;
  height: 100%;
  background: linear-gradient(118deg, rgba(0, 255, 163, 0.05) 0%, transparent 62%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero::after {
  content: "N 24.46 / E 118.08 — XIAMEN";
  position: absolute;
  top: 118px;
  right: -30px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: rgba(160, 170, 191, 0.3);
  transform: rotate(90deg);
  transform-origin: center;
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 40px;
}

.page-contact .contact-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.page-contact .contact-hero-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
  flex: 0 0 auto;
}

.page-contact .contact-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
  margin: 0 0 14px;
  color: var(--color-text);
}

.page-contact .contact-hero-sub {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-soft);
  margin-bottom: 18px;
}

.page-contact .contact-hero-desc {
  max-width: 34em;
  color: var(--color-meta);
  line-height: 1.75;
  margin-bottom: 28px;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 40px;
  margin-top: 40px;
}

.page-contact .contact-hero-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.page-contact .contact-hero-img {
  width: 100%;
}

.page-contact .contact-figcap {
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-meta);
}

/* ===== Channels ===== */
.page-contact .contact-channels {
  padding: 64px 0 40px;
  position: relative;
}

.page-contact .contact-section-head {
  margin-bottom: 40px;
}

.page-contact .contact-section-head .section-title {
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-contact .contact-section-head::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-fire), var(--color-fire-end));
}

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

.page-contact .channel-card {
  position: relative;
  z-index: 1;
  background: var(--contact-panel-bg);
  border: 1px solid var(--contact-line-muted);
  padding: 36px 28px 28px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  opacity: 0.55;
}

.page-contact .channel-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 255, 163, 0.45);
  background-color: rgba(14, 23, 54, 0.92);
}

.page-contact .channel-card-highlight {
  background:
    linear-gradient(135deg, rgba(255, 79, 62, 0.12), rgba(255, 138, 0, 0.05)),
    var(--contact-panel-bg);
  border-color: rgba(255, 79, 62, 0.35);
}

.page-contact .channel-card-highlight::after {
  background: linear-gradient(90deg, var(--color-fire), var(--color-fire-end));
  opacity: 0.7;
}

.page-contact .channel-card-highlight:hover {
  border-color: rgba(255, 138, 0, 0.6);
  background:
    linear-gradient(135deg, rgba(255, 79, 62, 0.18), rgba(255, 138, 0, 0.08)),
    rgba(14, 23, 54, 0.92);
}

.page-contact .channel-card-index {
  position: absolute;
  top: 16px;
  right: 22px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-meta);
  opacity: 0.6;
}

.page-contact .channel-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: 18px;
  display: block;
}

.page-contact .channel-card-highlight .channel-icon {
  color: var(--color-fire);
}

.page-contact .channel-label {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-meta);
  margin-bottom: 8px;
}

.page-contact .channel-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-contact .channel-value-sm {
  font-size: 1.02rem;
  word-break: break-all;
}

.page-contact .channel-note {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--color-meta);
}

.page-contact .channel-footnote {
  margin-top: 30px;
  padding-left: 16px;
  border-left: 2px solid var(--color-fire-end);
  font-size: 0.9rem;
  color: var(--color-meta);
  line-height: 1.65;
}

/* ===== Biz split (service + coop) ===== */
.page-contact .contact-biz {
  padding: 40px 0 72px;
}

.page-contact .contact-biz-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.page-contact .contact-service-panel,
.page-contact .contact-coop-panel {
  position: relative;
  border: 1px solid var(--contact-line-muted);
  padding: 40px 28px;
}

.page-contact .contact-service-panel {
  background:
    linear-gradient(180deg, rgba(0, 255, 163, 0.05), transparent 46%),
    var(--contact-panel-bg);
}

.page-contact .contact-coop-panel {
  background:
    linear-gradient(180deg, rgba(255, 79, 62, 0.06), transparent 42%),
    var(--contact-panel-bg);
}

.page-contact .contact-service-panel .section-title,
.page-contact .contact-coop-panel .section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 4px;
}

.page-contact .service-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 28px 0 20px;
}

.page-contact .service-clock {
  width: 160px;
  height: 160px;
  display: block;
}

.page-contact .service-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-contact .service-text,
.page-contact .service-support,
.page-contact .coop-desc,
.page-contact .coop-meta {
  color: var(--color-meta);
  line-height: 1.7;
}

.page-contact .service-text {
  margin-bottom: 10px;
  color: var(--color-text-soft);
}

.page-contact .service-support {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.page-contact .service-metrics {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 34px;
}

.page-contact .service-metrics li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .service-metrics strong {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.page-contact .service-metrics span {
  font-size: 0.88rem;
  color: var(--color-meta);
}

.page-contact .coop-image {
  width: 100%;
  margin: 24px 0 20px;
}

.page-contact .coop-desc {
  color: var(--color-text-soft);
  font-weight: 500;
  margin-bottom: 12px;
}

.page-contact .coop-meta {
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.page-contact .contact-coop-panel .btn {
  margin-top: 10px;
}

/* ===== Help banner ===== */
.page-contact .contact-help {
  padding: 24px 0 80px;
}

.page-contact .contact-help-box {
  position: relative;
  display: grid;
  gap: 26px;
  align-items: center;
  padding: 44px 32px;
  background: var(--color-bg-deep);
  border: 1px solid var(--contact-line-muted);
  overflow: hidden;
}

.page-contact .contact-help-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-fire), var(--color-fire-end));
}

.page-contact .contact-help-box::after {
  content: "";
  position: absolute;
  bottom: -46%;
  right: -8%;
  width: 52%;
  height: 140%;
  background:
    linear-gradient(rgba(160, 170, 191, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 170, 191, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-contact .contact-help-box .section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin-bottom: 12px;
}

.page-contact .contact-help-text {
  color: var(--color-meta);
  line-height: 1.7;
  max-width: 42em;
  margin: 0;
}

.page-contact .contact-help-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== Media queries ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 40px 0 84px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 56px;
    margin-top: 48px;
  }

  .page-contact .contact-hero-desc {
    margin-bottom: 32px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-contact .channel-grid::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--contact-track-line) 0 8px, transparent 8px 18px);
    z-index: 0;
    pointer-events: none;
  }

  .page-contact .contact-biz-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .page-contact .contact-help-box {
    grid-template-columns: 1fr auto;
    padding: 48px 40px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 52px 0 104px;
  }

  .page-contact .contact-hero-title {
    margin-bottom: 18px;
  }

  .page-contact .contact-channels {
    padding: 88px 0 48px;
  }

  .page-contact .contact-biz {
    padding: 48px 0 96px;
  }

  .page-contact .contact-service-panel,
  .page-contact .contact-coop-panel {
    padding: 52px 40px;
  }

  .page-contact .channel-card {
    padding: 42px 32px 32px;
  }

  .page-contact .channel-value-sm {
    font-size: 1.05rem;
  }

  .page-contact .contact-help {
    padding-bottom: 96px;
  }
}