.page-contact {
  --pc-panel: #ffffff;
  --pc-shadow: 0 10px 30px rgba(11, 58, 92, 0.08);
  --pc-shadow-hover: 0 16px 38px rgba(11, 58, 92, 0.16);
  --pc-grad-hero: linear-gradient(135deg, var(--lake-deep) 0%, var(--primary-lake) 72%, #3ea3d8 100%);
  background: var(--snow-white);
  color: var(--ink-blue);
}

/* ===== Hero ===== */
.page-contact .pc-hero {
  background: var(--pc-grad-hero);
  color: #ffffff;
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--sunset-orange);
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -130px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 66%);
  pointer-events: none;
}
.page-contact .pc-hero-inner {
  position: relative;
  z-index: 1;
}
.page-contact .pc-hero .breadcrumbs {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 28px;
  font-size: 0.85rem;
}
.page-contact .pc-hero .breadcrumbs a {
  color: rgba(255, 255, 255, 0.92);
}
.page-contact .pc-hero .breadcrumbs a:hover {
  color: #ffdca8;
}
.page-contact .pc-kicker {
  font-family: var(--display-font);
  letter-spacing: 0.08em;
  font-size: 0.84rem;
  text-transform: uppercase;
  color: #ffdca8;
  margin: 0 0 10px;
}
.page-contact .pc-hero-title {
  font-family: var(--display-font);
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: #ffffff;
  margin: 0 0 10px;
}
.page-contact .pc-hero-sub {
  font-family: var(--display-font);
  font-size: clamp(1.3rem, 2.6vw, 2.3rem);
  font-weight: 600;
  color: #ffdca8;
  margin: 0 0 20px;
}
.page-contact .pc-hero-lead {
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 24px;
}
.page-contact .pc-hero-lead a {
  color: #ffdca8;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-contact .pc-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== Body ===== */
.page-contact .pc-body {
  padding-top: 56px;
  padding-bottom: 80px;
}
.page-contact .section {
  margin-top: 56px;
}
.page-contact .section:first-of-type {
  margin-top: 0;
}

/* ===== Section Head ===== */
.page-contact .pc-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--line-ice);
}
.page-contact .pc-section-head .section-index {
  font-family: var(--display-font);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--primary-lake);
}
.page-contact .pc-section-head .section-title {
  font-family: var(--display-font);
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  font-weight: 600;
  margin: 0;
  color: var(--ink-blue);
}
.page-contact .pc-section-head-invert {
  border-bottom-color: rgba(255, 255, 255, 0.18);
}
.page-contact .pc-section-head-invert .section-index,
.page-contact .pc-section-head-invert .section-title {
  color: #ffffff;
}

/* ===== Ch 01 渠道 ===== */
.page-contact .pc-channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
.page-contact .pc-contact-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-contact .pc-contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--pc-panel);
  border: 1px solid var(--line-ice);
  border-left: 4px solid var(--primary-lake);
  padding: 20px 18px;
  color: var(--ink-blue);
  text-decoration: none;
  transition: transform 300ms ease, box-shadow 300ms ease, border-left-color 300ms ease;
}
.page-contact a.pc-contact-card:hover,
.page-contact a.pc-contact-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--pc-shadow-hover);
  border-left-color: var(--sunset-orange);
  outline: none;
}
.page-contact .pc-contact-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cloud-gray);
  color: var(--primary-lake);
  font-size: 1.5rem;
}
.page-contact .pc-contact-info {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.page-contact .pc-contact-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.page-contact .pc-contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-blue);
  word-break: break-all;
}
.page-contact .pc-contact-note {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.page-contact .pc-channels-side {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .pc-city-figure {
  margin: 0;
  border: 1px solid var(--line-ice);
  background: var(--cloud-gray);
}
.page-contact .pc-city-caption {
  margin: 0;
  font-family: var(--display-font);
  font-size: 1.1rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.page-contact .pc-inline-note {
  background: var(--cloud-gray);
  border: 1px solid var(--line-ice);
  border-top: 4px solid var(--sunset-orange);
  padding: 18px 20px;
}
.page-contact .pc-inline-note-title {
  margin: 0 0 8px;
  font-family: var(--display-font);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink-blue);
}
.page-contact .pc-inline-note p {
  margin: 0 0 8px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-contact .pc-inline-note p:last-child {
  margin-bottom: 0;
}
.page-contact .pc-link {
  color: var(--primary-lake);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== Ch 02 响应承诺 ===== */
.page-contact .pc-response-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--lake-deep) 0%, #155a86 100%);
  color: #ffffff;
  padding: 32px 24px;
  box-shadow: var(--pc-shadow);
}
.page-contact .pc-response-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.page-contact .pc-response-panel > * {
  position: relative;
  z-index: 1;
}
.page-contact .pc-response-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  padding-bottom: 24px;
  margin-bottom: 22px;
}
.page-contact .pc-response-num {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
}
.page-contact .pc-response-num-big {
  font-family: var(--display-font);
  font-size: clamp(3.4rem, 8vw, 6rem);
  line-height: 0.9;
  color: #ffdca8;
}
.page-contact .pc-response-num-unit {
  font-family: var(--display-font);
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
}
.page-contact .pc-response-copy {
  min-width: 0;
}
.page-contact .pc-response-lead {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #ffdca8;
}
.page-contact .pc-response-desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}
.page-contact .pc-status-grid {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}
.page-contact .pc-status-cell {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  padding: 14px 12px;
}
.page-contact .pc-status-label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
}
.page-contact .pc-status-value {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.05;
  color: #ffdca8;
}
.page-contact .pc-status-sub {
  margin: 4px 0 0;
  font-size: 0.76rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.66);
}
.page-contact .pc-response-trust {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.76);
  border-left: 3px solid var(--sunset-orange);
  padding-left: 12px;
}

/* ===== Ch 03 FAQ 入口 ===== */
.page-contact .pc-faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.page-contact .pc-faq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--pc-panel);
  border: 1px solid var(--line-ice);
  border-top: 4px solid var(--primary-lake);
  border-radius: 0;
  padding: 26px 24px;
  text-decoration: none;
  color: var(--ink-blue);
  transition: transform 300ms ease, box-shadow 300ms ease, border-top-color 300ms ease;
}
.page-contact .pc-faq-card:hover,
.page-contact .pc-faq-card:focus-visible {
  transform: translateY(-5px);
  box-shadow: var(--pc-shadow-hover);
  border-top-color: var(--sunset-orange);
  outline: none;
}
.page-contact .pc-faq-card-index {
  font-family: var(--display-font);
  font-size: 2rem;
  line-height: 1;
  color: var(--cloud-gray);
  transition: color 300ms ease;
}
.page-contact .pc-faq-card:hover .pc-faq-card-index {
  color: var(--sunset-orange);
}
.page-contact .pc-faq-card-title {
  margin: 0;
  font-family: var(--display-font);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink-blue);
}
.page-contact .pc-faq-card-desc {
  margin: 0;
  flex-grow: 1;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-contact .pc-faq-card-cta {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-lake);
}

/* ===== Ch 04 反馈表单 ===== */
.page-contact .pc-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}
.page-contact .pc-form-guide {
  display: grid;
  gap: 20px;
  align-content: start;
  background: var(--pc-panel);
  border: 1px solid var(--line-ice);
  padding: 24px;
}
.page-contact .pc-form-guide-lead {
  margin: 0;
  font-family: var(--display-font);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink-blue);
}
.page-contact .pc-process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-contact .pc-process-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px dashed var(--line-ice);
  padding-bottom: 8px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.page-contact .pc-process-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-contact .pc-process-list .num {
  font-family: var(--display-font);
  font-size: 1.2rem;
  font-weight: 700;
  min-width: 2.2em;
  color: var(--primary-lake);
}
.page-contact .pc-process-figure {
  margin: 0;
  border: 1px solid var(--line-ice);
  background: var(--cloud-gray);
}
.page-contact .pc-process-caption {
  margin: -14px 0 0;
  font-family: var(--display-font);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.page-contact .pc-form-guide-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 3px solid var(--grass-green);
  padding-left: 12px;
}
.page-contact .pc-form-card {
  background: var(--pc-panel);
  border: 1px solid var(--line-ice);
  border-top: 4px solid var(--sunset-orange);
  padding: 24px;
}
.page-contact .pc-form {
  display: grid;
  gap: 18px;
}
.page-contact .pc-form-field {
  display: grid;
  gap: 6px;
}
.page-contact .pc-form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-blue);
}
.page-contact .pc-form-control {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--body-font);
  font-size: 0.95rem;
  color: var(--ink-blue);
  background: var(--snow-white);
  border: 1px solid var(--line-ice);
  border-radius: 0;
  padding: 10px 12px;
  transition: border-color 300ms ease, box-shadow 300ms ease;
}
.page-contact .pc-form-control:focus {
  outline: none;
  border-color: var(--primary-lake);
  box-shadow: 0 0 0 3px rgba(27, 108, 168, 0.15);
}
.page-contact .pc-form-select {
  min-height: 44px;
}
.page-contact .pc-form-textarea {
  resize: vertical;
  min-height: 120px;
}
.page-contact .pc-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-contact .pc-form-submit {
  background: var(--sunset-orange);
  border: none;
  border-radius: 0;
  color: #ffffff;
  font-family: var(--display-font);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 12px 28px;
  cursor: pointer;
  transition: background 300ms ease, transform 300ms ease;
}
.page-contact .pc-form-submit:hover {
  background: #d97402;
  transform: translateY(-2px);
}
.page-contact .pc-form-hint {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ===== 桌面断点 ===== */
@media (min-width: 640px) {
  .page-contact .pc-contact-list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-contact .pc-status-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .pc-channels-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 24px;
  }
  .page-contact .pc-faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .pc-response-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-form-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 28px;
  }
  .page-contact .pc-response-panel {
    padding: 44px 40px;
  }
  .page-contact .pc-form-card,
  .page-contact .pc-form-guide {
    padding: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-contact-card,
  .page-contact .pc-faq-card,
  .page-contact .pc-form-submit {
    transform: none !important;
    transition: none !important;
  }
}