.page-contact {
  --contact-gap: 20px;
  --contact-card-r: 16px;
  background: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 28px 0 0;
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-gold) 52%, var(--accent-terra));
  z-index: 2;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(163, 230, 53, 0.1), transparent 68%);
  pointer-events: none;
}
.page-contact .contact-hero__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}
.page-contact .contact-hero__breadcrumb {
  margin-bottom: 22px;
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: 24px;
}
.page-contact .contact-hero__content {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero__content .chapter-label {
  color: var(--accent-green);
}
.page-contact .contact-hero__content h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.9rem, 5.4vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}
.page-contact .contact-hero__h1-sub {
  display: block;
  color: var(--accent-gold);
  font-size: 0.62em;
  letter-spacing: 0.04em;
  margin-top: 8px;
}
.page-contact .contact-hero__lead {
  color: var(--text-muted);
  line-height: 1.78;
  max-width: 58ch;
  margin: 0;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-contact .contact-hero__media {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  background: var(--bg-surface);
}
.page-contact .contact-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-contact .contact-hero__strip {
  margin-top: 36px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.page-contact .contact-hero__strip-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 10px 14px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  position: relative;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-contact .contact-hero__strip-item + .contact-hero__strip-item {
  border-left: 1px solid var(--border-subtle);
}
.page-contact .contact-hero__strip-item:hover {
  color: var(--text-primary);
  border-bottom-color: var(--accent-green);
  background: rgba(18, 23, 20, 0.7);
}
.page-contact .contact-hero__strip-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
}
.page-contact .contact-hero__strip-label {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.92rem;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding: 64px 0 24px;
}
.page-contact .section-heading {
  margin-bottom: 32px;
}
.page-contact .section-heading .chapter-label {
  color: var(--accent-green);
}
.page-contact .section-heading .title {
  margin: 6px 0 4px;
}
.page-contact .section-heading__desc {
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}
.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--contact-gap);
}
.page-contact .contact-channels__main {
  display: grid;
  gap: 16px;
}
.page-contact .contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--contact-card-r);
  padding: 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 16px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}
.page-contact .contact-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}
.page-contact .contact-card--green::after {
  background: var(--accent-green);
}
.page-contact .contact-card--gold::after {
  background: var(--accent-gold);
}
.page-contact .contact-card--terra::after {
  background: var(--accent-terra);
}
.page-contact .contact-card:hover {
  border-color: rgba(163, 230, 53, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.page-contact .contact-card:hover::after {
  transform: scaleX(1);
}
.page-contact .contact-card__index {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.55;
}
.page-contact .contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-m);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
}
.page-contact .contact-card--gold .contact-card__icon {
  color: var(--accent-gold);
}
.page-contact .contact-card--terra .contact-card__icon {
  color: var(--accent-terra);
}
.page-contact .contact-card__icon svg {
  width: 22px;
  height: 22px;
}
.page-contact .contact-card__body {
  min-width: 0;
}
.page-contact .contact-card__body h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.04rem;
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}
.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-word;
}
.page-contact .contact-card__body p:last-child {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.62;
  margin: 5px 0 0;
}

/* ---------- 联系引导 ---------- */
.page-contact .contact-guide {
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-surface));
  border: 1px solid rgba(229, 185, 76, 0.32);
  border-radius: var(--contact-card-r);
  padding: 24px;
  position: relative;
  align-self: start;
  box-shadow: var(--shadow-sm);
}
.page-contact .contact-guide__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-transform: uppercase;
}
.page-contact .contact-guide h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.08rem;
  margin: 8px 0 14px;
}
.page-contact .contact-guide__template {
  border-left: 2px solid var(--accent-gold);
  padding-left: 14px;
  margin: 16px 0;
}
.page-contact .contact-guide__template span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 2;
}
.page-contact .contact-guide > p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0 0 12px;
}
.page-contact .contact-guide .btn {
  margin-top: 16px;
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-response {
  position: relative;
  padding: 56px 0;
  margin-top: 40px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background:
    linear-gradient(180deg, rgba(18, 23, 20, 0.6), rgba(11, 14, 12, 0.4)),
    repeating-linear-gradient(90deg, transparent 0, transparent 39px, rgba(42, 53, 44, 0.35) 40px);
}
.page-contact .contact-response__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}
.page-contact .contact-response__heading {
  margin-bottom: 32px;
}
.page-contact .contact-response__heading .chapter-label {
  color: var(--accent-gold);
}
.page-contact .contact-response__heading .title {
  margin: 6px 0 4px;
}
.page-contact .contact-response__grid {
  display: grid;
  gap: 16px;
}
.page-contact .contact-response__item {
  border-radius: var(--radius-m);
}
.page-contact .contact-response__item .num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.page-contact .contact-response__item h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  margin: 0 0 8px;
}
.page-contact .contact-response__item p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
}

/* ---------- 常见快捷反馈 ---------- */
.page-contact .contact-quick {
  padding: 64px 0 28px;
}
.page-contact .contact-quick__layout {
  display: grid;
  gap: 24px;
}
.page-contact .contact-quick__accordion .accordion__item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-m);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.page-contact .contact-quick__accordion .accordion__item:hover {
  border-color: rgba(163, 230, 53, 0.3);
}
.page-contact .contact-quick__accordion .accordion__button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 16px 18px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  line-height: 1.5;
}
.page-contact .contact-quick__accordion .accordion__button:hover {
  color: var(--accent-green);
}
.page-contact .contact-quick__accordion .accordion__icon {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-gold);
  transition: transform 0.25s ease;
}
.page-contact .contact-quick__accordion .accordion__item[data-open] .accordion__icon {
  transform: rotate(45deg);
}
.page-contact .contact-quick__accordion .accordion__panel {
  background: var(--bg-base);
}
.page-contact .contact-quick__accordion .accordion__panel-inner {
  padding: 14px 18px 18px;
  color: var(--text-muted);
  font-size: 0.89rem;
  line-height: 1.72;
  border-top: 1px solid var(--border-subtle);
}
.page-contact .contact-quick__aside {
  align-self: stretch;
}
.page-contact .contact-quick__card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  min-height: 160px;
  padding: 26px;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-l);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}
.page-contact .contact-quick__card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.page-contact .contact-quick__card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.08rem;
  margin: 0 0 8px;
}
.page-contact .contact-quick__card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
  max-width: 30ch;
}
.page-contact .contact-quick__arrow {
  position: absolute;
  top: 20px;
  right: 22px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent-green);
}

/* ---------- 位置 ---------- */
.page-contact .contact-location {
  padding: 60px 0 24px;
}
.page-contact .contact-location__grid {
  display: grid;
  gap: 24px;
}
.page-contact .contact-location__map {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg-surface);
  position: relative;
  min-height: 220px;
}
.page-contact .contact-location__map img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-contact .contact-location__info {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-l);
  padding: 26px;
  align-self: start;
}
.page-contact .contact-location__info h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.16rem;
  margin: 0 0 14px;
}
.page-contact .contact-location__value {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 14px;
  color: var(--text-primary);
}
.page-contact .contact-location__value svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent-gold);
  margin-top: 2px;
}
.page-contact .contact-location__info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.72;
  margin: 0 0 12px;
}
.page-contact .contact-location__hint {
  margin-top: 16px;
}
.page-contact .contact-location__note {
  margin-top: 40px;
  padding: 18px 20px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 2;
}
.page-contact .contact-location__note code {
  font-family: var(--font-mono);
  color: var(--accent-green);
  background: var(--bg-elevated);
  border-radius: 4px;
  padding: 2px 6px;
}

/* ---------- 响应式布局 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-channels__main {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-response__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-location__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-quick__layout {
    grid-template-columns: 1.6fr 1fr;
    align-items: stretch;
  }
  .page-contact .contact-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 40px;
  }
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
  }
  .page-contact .contact-channels__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
  .page-contact .contact-channels__main {
    gap: 18px;
  }
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-contact .contact-quick__layout {
    grid-template-columns: 1.5fr 0.9fr;
    gap: 28px;
  }
}