/* ========= 联系页专属样式 ========= */
.page-contact {
  --contact-shadow: 10px 10px 0 rgba(11, 29, 58, 0.16);
  background: var(--color-background);
  overflow-x: hidden;
}

/* ===== Hero 页头横幅 ===== */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + var(--space-4)) 0 var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-light);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -8%;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(27, 58, 92, 0.55) 100%);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: var(--color-neon);
  opacity: 0.8;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb,
.page-contact .contact-hero .breadcrumb a {
  color: rgba(245, 240, 230, 0.72);
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--color-neon);
}

.page-contact .contact-hero-code {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-neon);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-5);
}

.page-contact .contact-hero .page-title {
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 6px 0 10px;
}

.page-contact .contact-hero .page-hero-sub {
  color: var(--color-highlight);
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.4;
  max-width: 24em;
  margin: 0 0 18px;
}

.page-contact .contact-hero-desc {
  max-width: 38em;
  color: rgba(245, 240, 230, 0.84);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: var(--space-4);
}

.page-contact .contact-hero .btn-primary {
  background: var(--color-accent-terracotta);
  color: var(--color-text-light);
  border: 2px solid var(--color-accent-terracotta);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 14px 30px;
  letter-spacing: 0.04em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-hero .btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(200, 241, 53, 0.3);
}

.page-contact .contact-hero .btn-outline {
  color: var(--color-text-light);
  border-color: rgba(245, 240, 230, 0.75);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 14px 30px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-contact .contact-hero .btn-outline:hover {
  background: var(--color-text-light);
  color: var(--color-primary);
  border-color: var(--color-text-light);
  transform: translate(-2px, -2px);
}

.page-contact .contact-hero-frame {
  border: 3px solid var(--color-text-light);
  box-shadow: 14px 14px 0 rgba(200, 241, 53, 0.24);
  aspect-ratio: 2 / 1;
  background: var(--color-primary-light);
}

.page-contact .contact-hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 联系方式区块 ===== */
.page-contact .contact-channels {
  padding: var(--space-6) 0;
}

.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.page-contact .contact-channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-4) 28px 32px;
  background: var(--color-background);
  border: 3px solid var(--color-primary);
  box-shadow: var(--contact-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .contact-channel-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 14px 14px 0 rgba(11, 29, 58, 0.22);
}

.page-contact .contact-channel-email {
  border-top: 8px solid var(--color-accent-moss);
}

.page-contact .contact-channel-phone {
  border-top: 8px solid var(--color-accent-terracotta);
}

.page-contact .contact-channel-address {
  border-top: 8px solid var(--color-highlight);
}

.page-contact .contact-channel-card::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 36px;
  height: 36px;
  border-right: 3px solid var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  opacity: 0.25;
  pointer-events: none;
}

.page-contact .channel-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-contact .channel-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--color-secondary);
}

.page-contact .channel-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-text-dark);
  border: 2px solid var(--color-primary);
  padding: 5px 10px;
  text-transform: uppercase;
}

.page-contact .channel-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
}

.page-contact .channel-icon svg {
  width: 52px;
  height: 52px;
  transition: transform 0.25s ease;
}

.page-contact .contact-channel-card:hover .channel-icon svg {
  transform: scale(1.08) rotate(-3deg);
}

.page-contact .contact-channel-email .channel-icon {
  color: var(--color-accent-moss);
}

.page-contact .contact-channel-phone .channel-icon {
  color: var(--color-accent-terracotta);
}

.page-contact .contact-channel-address .channel-icon {
  color: var(--color-highlight);
}

.page-contact .channel-label {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.page-contact .channel-value {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-dark);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact .contact-channel-email a.channel-value:hover {
  border-bottom-color: var(--color-accent-moss);
}

.page-contact .contact-channel-phone a.channel-value:hover {
  border-bottom-color: var(--color-accent-terracotta);
}

.page-contact .channel-note {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-secondary);
}

/* ===== 服务响应区块 ===== */
.page-contact .contact-response {
  position: relative;
  padding: var(--space-6) 0;
  background: var(--color-background-alt);
}

.page-contact .contact-response::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 140px;
  height: 6px;
  background: var(--color-highlight);
}

.page-contact .contact-response-list {
  margin-top: var(--space-5);
  border-bottom: 3px solid var(--color-primary);
}

.page-contact .response-row {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "index type"
    "value value"
    "note note";
  align-items: baseline;
  gap: 8px 18px;
  padding: 28px 8px;
  border-top: 3px solid var(--color-primary);
  transition: background 0.2s ease;
}

.page-contact .response-row:hover {
  background: rgba(224, 164, 88, 0.12);
}

.page-contact .response-row-index {
  grid-area: index;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--color-highlight);
}

.page-contact .response-row-type {
  grid-area: type;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-contact .response-row-value {
  grid-area: value;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 2rem);
  line-height: 1.25;
  color: var(--color-text-dark);
  overflow-wrap: anywhere;
}

.page-contact .response-row-note {
  grid-area: note;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-secondary);
}

/* ===== 问题反馈区块 ===== */
.page-contact .contact-feedback {
  position: relative;
  padding: var(--space-6) 0;
  background: var(--color-primary);
  color: var(--color-text-light);
  overflow: hidden;
}

.page-contact .contact-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(200, 241, 53, 0.06) 100%);
  pointer-events: none;
}

.page-contact .contact-feedback .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-feedback .section-index,
.page-contact .contact-feedback .section-kicker {
  color: var(--color-neon);
}

.page-contact .contact-feedback .section-title {
  color: var(--color-text-light);
}

.page-contact .contact-feedback .lead {
  color: rgba(245, 240, 230, 0.78);
}

.page-contact .contact-feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  margin-top: var(--space-5);
}

.page-contact .contact-feedback-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 3px solid var(--color-text-light);
  box-shadow: 12px 12px 0 rgba(200, 241, 53, 0.24);
}

.page-contact .contact-feedback-lead {
  margin: 0 0 18px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.9);
}

.page-contact .contact-feedback-actions {
  margin-bottom: var(--space-4);
}

.page-contact .contact-feedback-actions .btn-primary {
  background: var(--color-accent-terracotta);
  color: var(--color-text-light);
  padding: 16px 30px;
  font-family: var(--font-heading);
  font-weight: 700;
  border: 2px solid var(--color-accent-terracotta);
  box-shadow: 8px 8px 0 rgba(200, 241, 53, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-feedback-actions .btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(200, 241, 53, 0.34);
}

.page-contact .contact-feedback-demo {
  background: rgba(245, 240, 230, 0.06);
  border: 2px solid rgba(245, 240, 230, 0.32);
  padding: var(--space-4) var(--space-3);
  box-shadow: inset 4px 4px 0 rgba(27, 58, 92, 0.35);
}

.page-contact .contact-feedback-demo .feedback-title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}

.page-contact .contact-feedback-demo .feedback-label {
  display: block;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.6);
}

.page-contact .contact-feedback-demo .feedback-field {
  margin-bottom: 16px;
}

.page-contact .contact-feedback-textarea {
  display: block;
  width: 100%;
  min-height: 104px;
  padding: 14px;
  border: 2px solid rgba(245, 240, 230, 0.3);
  border-radius: 0;
  background: rgba(245, 240, 230, 0.1);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
}

.page-contact .contact-feedback-textarea::placeholder {
  color: rgba(245, 240, 230, 0.45);
}

.page-contact .contact-feedback-textarea:focus {
  outline: 2px solid var(--color-neon);
  outline-offset: 2px;
}

.page-contact .contact-feedback-demo .btn-feedback-send {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px 20px;
  background: var(--color-accent-moss);
  border: 2px solid var(--color-accent-moss);
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-contact .contact-feedback-demo .btn-feedback-send:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translate(-2px, -2px);
}

.page-contact .contact-feedback-demo .feedback-tip {
  margin: 12px 0 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: rgba(245, 240, 230, 0.55);
}

/* ===== 更多支持区块 ===== */
.page-contact .contact-related {
  padding: var(--space-6) 0;
}

.page-contact .contact-related-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.page-contact .contact-related-link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--space-4) 28px;
  background: var(--color-background);
  border: 3px solid var(--color-primary);
  box-shadow: var(--contact-shadow);
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .contact-related-link:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 rgba(11, 29, 58, 0.24);
}

.page-contact .related-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--color-accent-terracotta);
}

.page-contact .related-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-dark);
}

.page-contact .related-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--color-secondary);
}

/* ===== 平板与桌面增强 ===== */
@media (min-width: 640px) {
  .page-contact .contact-channel-grid,
  .page-contact .contact-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-channel-address {
    grid-column: span 2;
  }
}

@media (min-width: 901px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + var(--space-5)) 0 var(--space-6);
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-5);
  }

  .page-contact .contact-channel-grid,
  .page-contact .contact-related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-channel-address {
    grid-column: span 1;
  }

  .page-contact .response-row {
    grid-template-columns: 80px 180px minmax(0, 1fr) minmax(220px, auto);
    grid-template-areas: "index type value note";
    gap: 24px;
    padding: 36px 12px;
  }

  .page-contact .response-row-value {
    font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  }

  .page-contact .response-row-type {
    font-size: 0.92rem;
  }

  .page-contact .contact-feedback-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-5);
  }
}