.page-contact {
  --contact-card-white: #FFFFFF;
  --contact-rad: 14px 0 14px 0;
  --contact-clip-size: 30px;

  background:
    radial-gradient(circle at 84% 18%, rgba(30, 111, 255, 0.12) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 62%, rgba(110, 58, 168, 0.12) 0 2px, transparent 3px),
    radial-gradient(circle at 92% 86%, rgba(0, 181, 90, 0.12) 0 2px, transparent 3px);
}

.page-contact .contact-shell {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== 页首标题区 ===== */
.page-contact .contact-hero {
  padding: 2rem 0 0.5rem;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-bottom: 1.5rem;
}

.page-contact .breadcrumb a {
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 700;
}

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

.page-contact .contact-kicker {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin: 0;
}

.page-contact h1 {
  margin: 0.35rem 0 0.75rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-contact .contact-lead {
  max-width: 44rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-contact .vertical-note {
  justify-self: end;
  align-self: end;
  margin: 0;
  padding-bottom: 0.5rem;
}

/* ===== 通用区块 ===== */
.page-contact .contact-section {
  margin-top: 3rem;
  scroll-margin-top: 2rem;
}

.page-contact .contact-section-head {
  border-left: 4px solid var(--color-blue);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

.page-contact .contact-section-index {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.1em;
  color: var(--color-purple);
  margin-bottom: 0.3rem;
}

.page-contact .contact-section-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-contact .contact-section-head > p {
  margin: 0.6rem 0 0;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

/* ===== 联系渠道：名片墙 ===== */
.page-contact .contact-channels-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

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

.page-contact .contact-card {
  position: relative;
  background: var(--contact-card-white);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--contact-rad);
  padding: 1.5rem 1.5rem 1.4rem 1.6rem;
  box-shadow: var(--shadow-paper);
  transform: rotate(-0.35deg);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  overflow: hidden;
}

.page-contact .contact-card:nth-child(even) {
  transform: rotate(0.35deg);
  background: var(--color-paper);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: rotate(0deg) translateY(-3px);
  box-shadow: 10px 12px 0 rgba(30, 26, 23, 0.16);
}

.page-contact .contact-card-clip {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--contact-clip-size);
  height: var(--contact-clip-size);
  background: var(--color-green);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

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

.page-contact .contact-card--support .contact-card-clip {
  background: var(--color-purple);
}

.page-contact .contact-card--address .contact-card-clip {
  background: var(--color-red);
}

.page-contact .contact-card-label {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.6rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.page-contact .contact-card-no {
  margin-left: auto;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  color: var(--color-paper);
  background: var(--color-ink);
  padding: 0.12rem 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.page-contact .contact-card-value {
  margin: 0 0 0.7rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.page-contact .contact-card-value a {
  color: var(--color-ink);
  text-decoration: none;
  background-image: linear-gradient(var(--color-blue), var(--color-blue));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
}

.page-contact .contact-card-value a:hover,
.page-contact .contact-card-value a:focus {
  color: var(--color-blue);
}

.page-contact .contact-card-note {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-contact .contact-net-figure {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  border: 1px dashed var(--color-line);
  background: rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  transform: rotate(0.6deg);
}

.page-contact .contact-net-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border: 1.5px solid var(--color-ink);
  border-radius: 8px;
  box-shadow: var(--shadow-paper);
  display: block;
}

.page-contact .contact-net-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  text-align: right;
  font-style: italic;
}

/* ===== 服务响应承诺 ===== */
.page-contact .contact-section--response {
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 229, 240, 0.14) 0 2px, transparent 3px),
    radial-gradient(circle at 10% 40%, rgba(110, 58, 168, 0.3) 0 2px, transparent 3px),
    var(--color-ink);
  color: var(--color-paper);
  border-radius: 16px 0 16px 0;
  padding: 1.75rem 1.25rem 2rem;
}

.page-contact .contact-section--response .contact-section-head {
  border-left-color: var(--color-cyan);
}

.page-contact .contact-section--response .contact-section-index {
  color: var(--color-cyan);
}

.page-contact .contact-section--response h2 {
  color: var(--color-paper);
}

.page-contact .contact-response-grid {
  display: grid;
  gap: 1.5rem;
}

.page-contact .contact-response-copy > p {
  max-width: 34rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.88);
}

.page-contact .contact-promise-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
}

.page-contact .contact-promise-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-weight: 700;
  color: var(--color-paper);
}

.page-contact .promise-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-contact .promise-dot--green {
  background: var(--color-green);
  box-shadow: 0 0 12px rgba(0, 176, 90, 0.8);
}

.page-contact .promise-dot--blue {
  background: var(--color-blue);
  box-shadow: 0 0 12px rgba(30, 111, 255, 0.8);
}

.page-contact .promise-dot--purple {
  background: var(--color-purple);
  box-shadow: 0 0 12px rgba(110, 58, 168, 0.8);
}

.page-contact .contact-metric-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.page-contact .contact-metric {
  color: rgba(245, 240, 230, 0.75);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.page-contact .contact-metric strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.8rem;
  line-height: 1.4;
  color: var(--color-cyan);
}

.page-contact .contact-response-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .contact-response-figure {
  margin: 0;
}

.page-contact .contact-response-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  display: block;
}

.page-contact .contact-chat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
}

.page-contact .contact-chat-card summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-paper);
}

.page-contact .contact-chat-card summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-chat-card summary::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  border-radius: 50%;
}

.page-contact .contact-chat-card p {
  margin: 0.75rem 0 0.6rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.85);
}

.page-contact .contact-chat-card a {
  color: var(--color-cyan);
}

.page-contact .contact-chat-link {
  display: inline-block;
  margin-top: 0.6rem;
  color: var(--color-cyan);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid var(--color-cyan);
}

/* ===== 常见咨询方向 ===== */
.page-contact .contact-topics-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .contact-topic {
  position: relative;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.4rem 1rem;
  background: var(--contact-card-white);
  border: 1px solid var(--color-line);
  border-left-width: 4px;
  border-left-color: var(--color-blue);
  border-radius: 0 10px 10px 0;
  padding: 1rem 1rem 1.1rem 1.25rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-contact .contact-topic:nth-child(2) { border-left-color: var(--color-purple); }
.page-contact .contact-topic:nth-child(3) { border-left-color: var(--color-green); }
.page-contact .contact-topic:nth-child(4) { border-left-color: var(--color-cyan); }
.page-contact .contact-topic:nth-child(5) { border-left-color: var(--color-red); }
.page-contact .contact-topic:nth-child(6) { border-left-color: var(--color-purple); }

.page-contact .contact-topic:hover,
.page-contact .contact-topic:focus-within {
  transform: translateX(4px);
  box-shadow: 4px 4px 0 rgba(30, 26, 23, 0.12);
}

.page-contact .contact-topic-tag {
  grid-row: span 2;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-ink-soft);
}

.page-contact .contact-topic:nth-child(1) .contact-topic-tag { color: var(--color-blue); }
.page-contact .contact-topic:nth-child(2) .contact-topic-tag { color: var(--color-purple); }
.page-contact .contact-topic:nth-child(3) .contact-topic-tag { color: var(--color-green); }
.page-contact .contact-topic:nth-child(4) .contact-topic-tag { color: var(--color-cyan); }
.page-contact .contact-topic:nth-child(5) .contact-topic-tag { color: var(--color-red); }
.page-contact .contact-topic:nth-child(6) .contact-topic-tag { color: var(--color-purple); }

.page-contact .contact-topic h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.35;
}

.page-contact .contact-topic p {
  margin: 0.3rem 0 0.5rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-contact .contact-topic > a {
  grid-column: 2;
  justify-self: start;
  font-weight: 800;
  font-size: 0.86rem;
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--color-blue);
  padding-bottom: 0.08rem;
}

.page-contact .contact-topic > a:hover,
.page-contact .contact-topic > a:focus {
  background-color: var(--color-paper-deep);
}

.page-contact .contact-support-note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-green);
  background: rgba(245, 240, 230, 0.6);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-contact .contact-support-note a {
  color: var(--color-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--color-blue);
}

/* ===== 小屏修正 ===== */
@media (max-width: 380px) {
  .page-contact .contact-card {
    padding: 1.25rem 1rem 1.1rem;
  }

  .page-contact .contact-card-value {
    font-size: 1rem;
  }

  .page-contact .contact-topic {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .page-contact .contact-topic-tag {
    display: none;
  }
}

/* ===== 平板与桌面 ===== */
@media (min-width: 640px) {
  .page-contact .contact-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-section {
    margin-top: 4rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 3rem;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2rem;
  }

  .page-contact .contact-channels-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 2.5rem;
  }

  .page-contact .contact-card-grid {
    gap: 1.25rem;
  }

  .page-contact .contact-section--response {
    padding: 2.5rem 2.25rem;
  }

  .page-contact .contact-response-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 2rem;
  }

  .page-contact .contact-response-figure {
    justify-self: end;
  }

  .page-contact .contact-response-side {
    justify-self: end;
  }

  .page-contact .contact-topics-grid {
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-topic,
  .page-contact .contact-net-figure {
    transition: none;
    transform: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-topic:hover {
    transform: none;
  }
}