.page-contact {
  background: var(--color-bg);
}

/* ===== Hero ===== */
.page-contact .page-contact-hero {
  padding-top: 24px;
  padding-bottom: 16px;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: 24px;
}

.page-contact .breadcrumbs a {
  color: var(--color-accent-red);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.page-contact .breadcrumbs .is-current {
  font-weight: 600;
  color: var(--color-text);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: end;
}

.page-contact .contact-hero-copy .mono-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-purple);
}

.page-contact .contact-hero-copy h1 {
  margin: 6px 0 14px;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .page-lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-aux);
  max-width: 620px;
}

.page-contact .contact-hero-aside {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: var(--border-w) solid var(--color-border);
  background: var(--color-card-yellow);
  box-shadow: var(--shadow-hard);
  padding: 20px 24px;
  max-width: 320px;
}

.page-contact .contact-aside-flag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: 0.62;
}

.page-contact .contact-aside-count {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-contact .contact-aside-count strong {
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 800;
  line-height: 0.8;
  color: var(--color-accent-red);
}

.page-contact .contact-aside-count span {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

/* ===== 联系卡片区 ===== */
.page-contact .contact-channel-section {
  background: var(--color-bg-warm);
  border-top: var(--border-w) solid var(--color-border);
  border-bottom: var(--border-w) solid var(--color-border);
  padding: 36px 0 48px;
}

.page-contact .contact-section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.page-contact .contact-section-head .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: 0.65;
  margin-bottom: 4px;
}

.page-contact .contact-section-head .section-title {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.2;
  margin: 0;
}

.page-contact .contact-section-desc {
  font-size: 14px;
  color: var(--color-text-aux);
  line-height: 1.6;
  max-width: 520px;
  margin: 0;
}

.page-contact .contact-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .contact-card {
  position: relative;
  border: var(--border-w) solid var(--color-border);
  box-shadow: var(--shadow-hard);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translate(-2px, -4px);
  box-shadow: 9px 11px 0 rgba(43, 43, 43, 0.22);
}

.page-contact .contact-card-coral {
  background: var(--color-card-coral);
}

.page-contact .contact-card-mint {
  background: var(--color-card-mint);
}

.page-contact .contact-card-blue {
  background: var(--color-card-blue);
}

.page-contact .contact-card-art {
  display: block;
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 2px solid var(--color-border);
  box-shadow: 3px 3px 0 rgba(43, 43, 43, 0.25);
  background: rgba(255, 255, 255, 0.35);
  margin-bottom: 8px;
}

.page-contact .contact-card-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-card-inner .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 700;
  opacity: 0.68;
}

.page-contact .contact-card-title {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: var(--color-text);
}

.page-contact .contact-card-value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  word-break: break-all;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: opacity 0.2s ease;
}

a.page-contact .contact-card-value:hover {
  opacity: 0.68;
}

.page-contact .contact-card-usage {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(26, 26, 26, 0.72);
  margin: 0;
}

.page-contact .contact-copy-btn {
  align-self: flex-start;
  margin-top: 6px;
  border: var(--border-w) solid var(--color-border);
  background: var(--color-white);
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  box-shadow: 4px 4px 0 rgba(43, 43, 43, 0.18);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease;
}

.page-contact .contact-copy-btn:hover {
  background: var(--color-card-yellow);
}

.page-contact .contact-copy-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 rgba(43, 43, 43, 0.18);
}

/* ===== 反馈前建议 ===== */
.page-contact .precheck-section {
  background: var(--color-bg-teal);
  color: var(--color-white);
  border-bottom: var(--border-w) solid var(--color-border);
  padding: 40px 0 52px;
}

.page-contact .precheck-section .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-status-new);
}

.page-contact .precheck-section .section-title {
  color: var(--color-white);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.2;
  margin: 0;
}

.page-contact .precheck-section .contact-section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.page-contact .precheck-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.page-contact .precheck-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  padding: 18px 20px;
  color: var(--color-white);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .precheck-item:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--color-card-yellow);
  transform: translate(-2px, -2px);
}

.page-contact .precheck-item .index-number {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 18px;
  color: var(--color-card-yellow);
  line-height: 1;
}

.page-contact .precheck-item-body {
  display: grid;
  gap: 4px;
}

.page-contact .precheck-item-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-white);
}

.page-contact .precheck-item-desc {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .precheck-arrow {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--color-card-mint);
}

/* ===== 处理时效说明 ===== */
.page-contact .response-section {
  background: var(--color-bg-warm);
  border-top: var(--border-w) solid var(--color-border);
  padding: 40px 0 56px;
}

.page-contact .response-flow-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 760px;
  object-fit: cover;
  border: var(--border-w) solid var(--color-border);
  box-shadow: var(--shadow-hard);
  background: var(--color-white);
  margin-top: 20px;
  margin-bottom: 28px;
}

.page-contact .response-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .response-step {
  border: var(--border-w) solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  padding: 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.page-contact .response-step-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 52px;
  line-height: 0.8;
  color: var(--color-accent-red);
}

.page-contact .response-step-body {
  display: grid;
  gap: 8px;
}

.page-contact .response-step-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0;
  color: var(--color-text);
}

.page-contact .response-step-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-aux);
  margin: 0;
}

.page-contact .response-step-desc a {
  color: var(--color-accent-purple);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.page-contact .response-step-duration {
  display: inline-block;
  align-self: flex-start;
  justify-self: start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--color-bg-teal);
  color: var(--color-white);
  padding: 6px 12px;
  border: 2px solid var(--color-border);
}

.page-contact .response-step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--color-accent-red);
  padding: 2px 6px;
}

/* ===== 焦点可见性 ===== */
.page-contact .breadcrumbs a:focus-visible,
.page-contact .contact-card-value:focus-visible,
.page-contact .contact-copy-btn:focus-visible,
.page-contact .precheck-item:focus-visible,
.page-contact .response-step-desc a:focus-visible {
  outline: 3px solid var(--color-accent-purple);
  outline-offset: 3px;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-contact .page-contact-hero {
    padding-top: 40px;
    padding-bottom: 20px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: 1fr 320px;
    gap: 40px;
  }

  .page-contact .contact-hero-aside {
    justify-self: end;
    max-width: none;
    width: 100%;
    padding: 24px 28px;
  }

  .page-contact .contact-channel-section,
  .page-contact .precheck-section,
  .page-contact .response-section {
    padding-top: 48px;
    padding-bottom: 60px;
  }

  .page-contact .contact-section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
  }

  .page-contact .contact-section-desc {
    text-align: right;
    max-width: 380px;
  }

  .page-contact .contact-card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-contact .contact-card {
    padding: 28px;
  }

  .page-contact .precheck-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .precheck-item {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 12px;
  }

  .page-contact .precheck-item-body {
    gap: 8px;
  }

  .page-contact .precheck-arrow {
    justify-self: end;
    align-self: end;
  }

  .page-contact .response-step {
    padding: 26px;
  }

  .page-contact .response-steps {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 0;
  }

  .page-contact .response-step-arrow {
    align-self: center;
    padding: 0 10px;
  }
}