.page-contact {
  --reach-accent: var(--electric-blue);
  background: var(--deep-blue);
}

.page-contact ::selection {
  background: rgba(0, 180, 255, 0.3);
  color: var(--text-primary);
}

/* ---------- 页首框景 · 海报表述 ---------- */
.page-contact .reach-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 420px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-contact .reach-hero__bg,
.page-contact .reach-hero__shade {
  position: absolute;
  inset: 0;
}

.page-contact .reach-hero__shade {
  z-index: 1;
  background: linear-gradient(90deg, rgba(13, 21, 38, 0.94) 0%, rgba(13, 21, 38, 0.62) 52%, rgba(13, 21, 38, 0.25) 100%);
}

.page-contact .reach-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .reach-hero::after {
  content: "";
  position: absolute;
  right: -130px;
  top: -110px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(0, 180, 255, 0.28);
  transform: rotate(18deg);
  pointer-events: none;
  z-index: 2;
}

.page-contact .reach-hero__body {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.page-contact .reach-hero__grid {
  display: grid;
  gap: 1.25rem;
  align-items: end;
}

.page-contact .reach-hero__content {
  max-width: 860px;
}

.page-contact .reach-hero__kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--electric-blue);
  border: 1px solid rgba(0, 180, 255, 0.45);
  background: rgba(0, 180, 255, 0.1);
  padding: 6px 14px;
  transform: skewX(-8deg);
  margin-bottom: 1rem;
}

.page-contact .reach-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 44px;
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin: 0 0 0.85rem;
}

.page-contact .reach-hero__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 46ch;
  margin: 0;
}

.page-contact .reach-hero__flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1.2rem;
  background: rgba(22, 32, 58, 0.65);
  border: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.page-contact .reach-hero__flag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.18);
  flex: none;
}

.page-contact .reach-hero__flag-sep {
  color: var(--border);
}

.page-contact .reach-hero__flag span:nth-child(2) {
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: 2px;
}

.page-contact .reach-hero__stat {
  width: fit-content;
  background: rgba(22, 32, 58, 0.72);
  border: 1px solid var(--border);
  border-left: 3px solid var(--electric-blue);
  padding: 0.9rem 1.2rem;
}

.page-contact .reach-hero__stat-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 32px;
  line-height: 1;
  color: var(--electric-blue);
  letter-spacing: -1px;
}

.page-contact .reach-hero__stat-label {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-top: 5px;
}

.page-contact .reach-hero__bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--electric-blue) 0%, var(--orange) 72%, rgba(255, 138, 0, 0) 72%);
  z-index: 3;
}

/* ---------- 章节公共头 ---------- */
.page-contact .reach-head {
  margin-bottom: 2rem;
  position: relative;
}

.page-contact .reach-head--compact {
  margin-bottom: 1.75rem;
}

.page-contact .reach-kicker {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin: 0 0 6px;
}

.page-contact .reach-kicker__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  margin-right: 6px;
  padding: 0 8px;
  background: var(--electric-blue);
  color: var(--deep-blue);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0;
  transform: skewX(-8deg);
}

.page-contact .reach-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin: 0 0 10px;
}

.page-contact .reach-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 60ch;
  margin: 0;
}

/* ---------- 01 官方联系渠道 ---------- */
.page-contact .reach-channels {
  position: relative;
  padding: 3.5rem 0 4rem;
  background: var(--deep-blue);
}

.page-contact .reach-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-contact .reach-channels > .container {
  position: relative;
  z-index: 1;
}

.page-contact .reach-channels__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .reach-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--navy-blue);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.6rem 1.4rem 1.4rem;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .reach-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--card-accent, var(--electric-blue));
}

.page-contact .reach-card:hover {
  border-color: var(--card-accent, var(--electric-blue));
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
}

.page-contact .reach-card--email {
  --card-accent: var(--electric-blue);
}

.page-contact .reach-card--phone {
  --card-accent: var(--orange);
}

.page-contact .reach-card--address {
  --card-accent: var(--red);
}

.page-contact .reach-card--address::after {
  content: "";
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 110px;
  height: 110px;
  background-image:
    linear-gradient(rgba(255, 59, 59, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 59, 59, 0.12) 1px, transparent 1px);
  background-size: 12px 12px;
  border: 1px solid rgba(255, 59, 59, 0.2);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-contact .reach-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 1rem;
}

.page-contact .reach-card__icon {
  width: 40px;
  height: 40px;
  color: var(--card-accent, var(--electric-blue));
  flex: none;
}

.page-contact .reach-card__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-contact .reach-card__index {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 4px 8px;
}

.page-contact .reach-card__label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin: 0 0 6px;
}

.page-contact .reach-card__value {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 0.9rem;
  word-break: break-all;
}

.page-contact .reach-card__note {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 1.1rem;
}

.page-contact .reach-card__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 10px 14px;
  text-decoration: none;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .reach-card__action:hover {
  background: var(--card-accent, var(--electric-blue));
  border-color: var(--card-accent, var(--electric-blue));
  color: var(--deep-blue);
}

/* ---------- 02 回复时效说明 ---------- */
.page-contact .reach-response {
  position: relative;
  padding: 3.5rem 0 4rem;
  background: linear-gradient(180deg, var(--deep-blue) 0%, #101828 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.page-contact .reach-response::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -90px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(0, 180, 255, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .reach-response > .container {
  position: relative;
  z-index: 1;
}

.page-contact .reach-response__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-contact .reach-response__list {
  display: grid;
  gap: 0.85rem;
}

.page-contact .reach-response__item {
  display: grid;
  grid-template-columns: minmax(80px, auto) 1fr;
  gap: 14px;
  padding: 1rem 1.1rem;
  background: rgba(22, 32, 58, 0.72);
  border: 1px solid var(--border);
  border-left: 3px solid var(--electric-blue);
  border-radius: 3px;
}

.page-contact .reach-response__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  color: var(--electric-blue);
  letter-spacing: -1px;
  white-space: nowrap;
  align-self: start;
}

.page-contact .reach-response__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.page-contact .reach-response__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact .reach-response__media {
  position: relative;
}

.page-contact .reach-response__frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--navy-blue);
}

.page-contact .reach-response__frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-contact .reach-response__caption {
  margin-top: 0.72rem;
  padding: 0.7rem 0.9rem;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  background: rgba(0, 180, 255, 0.08);
  border-left: 3px solid var(--electric-blue);
}

/* ---------- 03 合作与反馈 ---------- */
.page-contact .reach-partner {
  padding: 3.5rem 0 4rem;
}

.page-contact .reach-partner__grid {
  display: grid;
  gap: 1rem;
  margin: 0 0 1.6rem;
}

.page-contact .reach-partner__item {
  position: relative;
  background: var(--navy-blue);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.4rem 1.2rem 1.3rem;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .reach-partner__item:hover {
  transform: translateY(-4px);
  border-color: var(--electric-blue);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
}

.page-contact .reach-partner__item--data {
  border-left: 3px solid var(--electric-blue);
}

.page-contact .reach-partner__item--content {
  border-left: 3px solid var(--orange);
}

.page-contact .reach-partner__item--product {
  border-left: 3px solid var(--red);
}

.page-contact .reach-partner__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 4px 8px;
  margin-bottom: 0.9rem;
}

.page-contact .reach-partner__item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--text-primary);
  margin: 0 0 8px;
}

.page-contact .reach-partner__item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact .reach-partner__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-contact .reach-hero__title {
    font-size: 56px;
  }

  .page-contact .reach-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-contact .reach-response__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .page-contact .reach-partner__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-contact .reach-title {
    font-size: 34px;
  }
}

@media (min-width: 1024px) {
  .page-contact .reach-hero {
    min-height: 560px;
  }

  .page-contact .reach-hero__grid {
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }

  .page-contact .reach-hero__title {
    font-size: 72px;
  }

  .page-contact .reach-hero__lead {
    font-size: 18px;
  }

  .page-contact .reach-channels,
  .page-contact .reach-response,
  .page-contact .reach-partner {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .page-contact .reach-channels__grid > .reach-card:nth-child(2) {
    transform: translateY(1.1rem);
  }

  .page-contact .reach-channels__grid > .reach-card:nth-child(2):hover {
    transform: translateY(calc(1.1rem - 3px));
  }
}