/* ==========================================================================
   联系通道 · 页面专属样式
   作用域：.page-contact
   ========================================================================== */

.page-contact {
  --contact-gutter: 24px;
  background: var(--color-paper);
  color: var(--color-night);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-breadcrumb {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 18px 24px 0;
  font-size: 13px;
  color: var(--color-charcoal);
}

.page-contact .contact-breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-contact .contact-breadcrumb a {
  color: var(--color-charcoal);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .contact-breadcrumb a:hover,
.page-contact .contact-breadcrumb a:focus-visible {
  color: var(--color-gold);
}

.page-contact .contact-breadcrumb [aria-current="page"] {
  color: var(--color-night);
  font-weight: 600;
}

/* ---------- 对开页：左深蓝 / 右纸色 ---------- */
.page-contact .contact-spread {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
  background: var(--color-paper);
}

.page-contact .spread-left {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 115%, rgba(201, 162, 39, 0.18) 0%, transparent 45%),
    var(--color-night);
  color: var(--color-paper);
  padding: 48px var(--contact-gutter) 40px;
}

.page-contact .spread-left::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-gold) 0%, transparent 65%);
}

.page-contact .spread-left::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-gold) 0%, transparent 45%);
  opacity: 0.35;
  pointer-events: none;
}

.page-contact .spread-left-inner {
  max-width: 480px;
  margin: 0 auto;
}

.page-contact .spread-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  font-weight: 600;
}

.page-contact .kicker-rule {
  display: inline-block;
  width: 44px;
  height: 1px;
  background: var(--color-gold);
  flex: 0 0 auto;
}

.page-contact .spread-left h1 {
  font-family: var(--font-title);
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.25;
  margin: 0 0 20px;
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .spread-lead {
  color: rgba(242, 237, 228, 0.82);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 32px;
}

.page-contact .spread-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-contact .cta-down {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  padding: 10px 18px;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .cta-down:hover,
.page-contact .cta-down:focus-visible {
  background: var(--color-gold);
  color: var(--color-night);
}

.page-contact .cta-arrow {
  font-size: 16px;
  line-height: 1;
}

.page-contact .cta-text {
  color: var(--color-gold-light);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 102, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.page-contact .cta-text:hover,
.page-contact .cta-text:focus-visible {
  border-color: var(--color-gold-light);
}

.page-contact .spread-right {
  background: var(--color-paper);
  color: var(--color-night);
  padding: 32px var(--contact-gutter) 56px;
}

.page-contact .spread-right-inner {
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- 右页插图 ---------- */
.page-contact .contact-illustration {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(14, 36, 55, 0.12);
  box-shadow: var(--shadow);
  background: var(--color-deep);
  margin-bottom: 24px;
}

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

/* ---------- 联系卡片（抽屉） ---------- */
.page-contact .contact-card-list {
  display: grid;
  gap: 14px;
}

.page-contact .contact-method-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid rgba(14, 36, 55, 0.14);
  border-left: 4px solid var(--color-gold);
  padding: 20px 20px 18px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-method-card:hover,
.page-contact .contact-method-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-left-color: var(--color-gold-light);
}

.page-contact .method-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .method-index {
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.35);
  padding: 2px 8px;
  line-height: 1.4;
  flex: 0 0 auto;
}

.page-contact .method-name {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 650;
  margin: 0;
  color: var(--color-night);
}

.page-contact .method-tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  white-space: nowrap;
}

.page-contact .method-tag--gold {
  color: var(--color-gold);
}

.page-contact .method-tag--green {
  color: var(--color-green);
}

.page-contact .method-tag--muted {
  color: var(--color-charcoal);
}

.page-contact .method-indicator {
  margin-left: auto;
  font-size: 14px;
  line-height: 1;
  color: var(--color-gold);
  opacity: 0.7;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.page-contact .method-value {
  display: inline-block;
  font-family: var(--font-title);
  font-size: clamp(22px, 4vw, 26px);
  font-weight: 650;
  line-height: 1.4;
  color: var(--color-night);
  text-decoration: none;
  word-break: break-word;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .method-value--tel {
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.page-contact .method-value:hover,
.page-contact .method-value:focus-visible {
  color: var(--color-gold);
}

.page-contact .method-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 10px 0 0;
  padding-top: 8px;
  border-top: 1px solid rgba(14, 36, 55, 0.08);
  opacity: 1;
  max-height: 120px;
  transition: max-height 0.25s ease, opacity 0.25s ease, margin-top 0.25s ease;
}

.page-contact .method-underline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent 80%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.page-contact .contact-method-card:hover .method-underline,
.page-contact .contact-method-card:focus-within .method-underline {
  transform: scaleX(1);
}

/* 桌面端：抽屉折叠，悬停展开 */
@media (hover: hover) and (min-width: 1024px) {
  .page-contact .method-desc {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    overflow: hidden;
  }

  .page-contact .contact-method-card:hover .method-desc,
  .page-contact .contact-method-card:focus-within .method-desc {
    max-height: 160px;
    opacity: 1;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(14, 36, 55, 0.08);
  }

  .page-contact .contact-method-card:hover .method-indicator,
  .page-contact .contact-method-card:focus-within .method-indicator {
    transform: rotate(180deg);
    opacity: 1;
  }
}

/* ---------- 山形边界 ---------- */
.page-contact .spread-mountain {
  grid-column: 1 / -1;
  position: relative;
  height: 120px;
  overflow: hidden;
  background: var(--color-night);
}

.page-contact .spread-mountain img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
}

.page-contact .mountain-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 36, 55, 0.1) 0%, rgba(14, 36, 55, 0.55) 100%);
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-section {
  padding: 72px var(--contact-gutter);
}

.page-contact .contact-section-head {
  max-width: var(--content-width);
  margin: 0 auto 36px;
}

.page-contact .contact-kicker {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.page-contact .contact-section-head h2 {
  font-family: var(--font-title);
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 700;
  color: var(--color-night);
  margin: 0 0 12px;
  line-height: 1.2;
}

.page-contact .contact-section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-charcoal);
  margin: 0;
  max-width: 54em;
}

/* ---------- 响应时间 ---------- */
.page-contact .contact-response {
  background: var(--color-white);
}

.page-contact .response-grid {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .response-card {
  background: var(--color-white);
  border: 1px solid rgba(14, 36, 55, 0.1);
  border-top: 3px solid var(--color-gold);
  padding: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-contact .response-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.page-contact .response-card--gold {
  border-top-color: rgba(201, 162, 39, 0.6);
}

.page-contact .response-card--green {
  border-top-color: rgba(46, 107, 92, 0.6);
}

.page-contact .response-card--blue {
  border-top-color: var(--color-mist);
}

.page-contact .response-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  margin-bottom: 16px;
  background: var(--color-mist);
  color: var(--color-deep);
}

.page-contact .response-icon svg {
  width: 22px;
  height: 22px;
}

.page-contact .response-icon--gold {
  background: rgba(201, 162, 39, 0.14);
  color: var(--color-gold);
}

.page-contact .response-icon--green {
  background: rgba(46, 107, 92, 0.12);
  color: var(--color-green);
}

.page-contact .response-icon--blue {
  background: var(--color-mist);
  color: var(--color-deep);
}

.page-contact .response-card h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 650;
  color: var(--color-night);
  margin: 0 0 8px;
}

.page-contact .response-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin: 0;
}

.page-contact .response-note {
  max-width: var(--content-width);
  margin: 28px auto 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-charcoal);
  border-left: 3px solid var(--color-gold);
  padding: 10px 16px;
  background: rgba(201, 162, 39, 0.06);
}

/* ---------- 反馈准备 ---------- */
.page-contact .contact-prepare {
  background: var(--color-night);
  color: var(--color-paper);
}

.page-contact .contact-prepare .contact-section-head h2 {
  color: var(--color-white);
}

.page-contact .contact-prepare .contact-section-lead {
  color: rgba(242, 237, 228, 0.78);
}

.page-contact .prepare-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--content-width);
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(242, 237, 228, 0.18);
}

.page-contact .prepare-item {
  padding: 20px 0 24px;
  border-bottom: 1px solid rgba(242, 237, 228, 0.18);
}

.page-contact .prepare-no {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-contact .prepare-item h3 {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 650;
  color: var(--color-white);
  margin: 0 0 8px;
}

.page-contact .prepare-item p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 237, 228, 0.7);
  margin: 0;
}

.page-contact .prepare-link-row {
  max-width: var(--content-width);
  margin: 24px auto 0;
  font-size: 14px;
}

.page-contact .prepare-link-row a {
  color: var(--color-gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 102, 0.45);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.page-contact .prepare-link-row a:hover,
.page-contact .prepare-link-row a:focus-visible {
  border-color: var(--color-gold-light);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-partner {
  background: var(--color-paper);
}

.page-contact .partner-grid {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .partner-card {
  position: relative;
  display: block;
  background: var(--color-white);
  border: 1px solid rgba(14, 36, 55, 0.12);
  padding: 28px 28px 24px;
  color: var(--color-night);
  text-decoration: none;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-contact .partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.page-contact .partner-card--gold::before {
  background: var(--color-gold);
}

.page-contact .partner-card--green::before {
  background: var(--color-green);
}

.page-contact .partner-card:hover,
.page-contact .partner-card:focus-visible {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.page-contact .partner-card:hover::before,
.page-contact .partner-card:focus-visible::before {
  transform: scaleX(1);
}

.page-contact .partner-stamp {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  padding: 3px 10px;
  margin-bottom: 16px;
  color: var(--color-gold);
}

.page-contact .partner-stamp--green {
  color: var(--color-green);
}

.page-contact .partner-label {
  display: block;
  font-size: 13px;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.page-contact .partner-address {
  display: block;
  font-family: var(--font-title);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 650;
  line-height: 1.4;
  color: var(--color-night);
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .partner-card:hover .partner-address,
.page-contact .partner-card:focus-visible .partner-address {
  color: var(--color-gold);
}

.page-contact .partner-note {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-charcoal);
}

.page-contact .partner-bottom {
  max-width: var(--content-width);
  margin: 28px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  font-size: 14px;
}

.page-contact .partner-bottom p {
  margin: 0;
  color: var(--color-charcoal);
}

.page-contact .partner-bottom a {
  color: var(--color-night);
  border-bottom: 1px solid var(--color-gold);
  text-decoration: none;
  padding-bottom: 2px;
}

/* ---------- 信任声明 ---------- */
.page-contact .contact-trust-wrap {
  background: var(--color-white);
  padding: 24px;
}

.page-contact .contact-trust-wrap .note-box {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 700px) {
  .page-contact .prepare-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 32px;
  }

  .page-contact .prepare-item {
    border-bottom: none;
    padding: 0 0 8px;
  }
}

@media (min-width: 800px) {
  .page-contact .partner-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .response-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-spread {
    grid-template-columns: minmax(380px, 5fr) minmax(500px, 7fr);
  }

  .page-contact .spread-left {
    padding: 72px 48px 64px;
  }

  .page-contact .spread-right {
    padding: 72px 48px 80px;
  }

  .page-contact .spread-right-inner {
    max-width: 640px;
  }

  .page-contact .contact-card-list {
    gap: 16px;
  }

  .page-contact .contact-illustration {
    margin-bottom: 28px;
  }

  .page-contact .spread-mountain {
    height: 150px;
  }

  .page-contact .contact-section {
    padding: 88px 48px;
  }

  .page-contact .contact-section-head {
    margin-bottom: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}