.page-contact {
  background: var(--c-deep-space);
  color: var(--c-brown);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 顶部区域 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: var(--c-deep-space);
  color: var(--c-cream);
  padding: 2rem 0 1.75rem;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -50px;
  width: 230px;
  height: 230px;
  background: radial-gradient(circle at center, rgba(0, 230, 118, 0.14) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -36px;
  width: 78%;
  height: 84px;
  background: linear-gradient(115deg, transparent 35%, var(--c-midnight) 35%, var(--c-midnight) 70%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--c-slate);
  font-size: var(--fs-caption);
  margin-bottom: 1.75rem;
}

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

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

.page-contact .contact-hero .breadcrumb-current {
  color: var(--c-neon);
}

.page-contact .contact-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-contact .contact-kicker {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 0.75rem;
}

.page-contact .contact-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-display-l);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .title-break {
  display: block;
  color: var(--c-neon);
}

.page-contact .contact-lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.82);
  max-width: 44ch;
}

.page-contact .contact-response {
  margin: 1.25rem 0 0;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  color: var(--c-cream);
  border: 1px solid rgba(0, 230, 118, 0.35);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
}

.page-contact .response-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.16);
}

/* ---------- 信封主体 ---------- */
.page-contact .contact-envelope {
  position: relative;
  background: var(--c-cream);
  padding: 0 0 3.5rem;
}

.page-contact .contact-envelope::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(11, 31, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 58, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.page-contact .envelope-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 1.5rem;
}

/* ---------- 左侧索引 ---------- */
.page-contact .envelope-side {
  border-bottom: 1px solid rgba(11, 31, 58, 0.12);
  padding: 1.5rem 1rem 1.5rem 0;
}

.page-contact .envelope-stamp {
  width: 140px;
  padding: 10px;
  background: var(--c-midnight);
  border: 1px dashed rgba(245, 241, 232, 0.55);
  border-radius: 4px;
  margin-bottom: 1.75rem;
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.25);
}

.page-contact .stamp-inner {
  border: 1px solid rgba(245, 241, 232, 0.28);
  padding: 14px 10px 12px;
  text-align: center;
  color: var(--c-cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.page-contact .stamp-label {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-neon);
}

.page-contact .stamp-price {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--c-slate);
}

.page-contact .stamp-line {
  width: 26px;
  height: 1px;
  background: rgba(245, 241, 232, 0.3);
}

.page-contact .stamp-owl {
  color: var(--c-cream);
  display: block;
  line-height: 0;
}

.page-contact .stamp-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-orange);
  line-height: 1;
}

.page-contact .envelope-index {
  margin-bottom: 1.5rem;
}

.page-contact .index-title {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-slate);
  margin: 0 0 0.75rem;
}

.page-contact .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-contact .index-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  color: var(--c-brown);
  text-decoration: none;
  border-left: 2px solid transparent;
  font-family: var(--font-display);
  font-size: 0.925rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .index-link:hover {
  border-left-color: var(--c-orange);
  background: rgba(255, 107, 44, 0.08);
}

.page-contact .index-no {
  font-weight: 800;
  color: var(--c-orange);
  font-size: 0.85rem;
  min-width: 1.6rem;
}

.page-contact .envelope-side-note {
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--c-slate);
  margin: 0;
  border-left: 2px solid rgba(18, 41, 74, 0.2);
  padding-left: 0.85rem;
}

/* ---------- 右侧联系卡片 ---------- */
.page-contact .envelope-main {
  min-width: 0;
}

.page-contact .contact-card {
  background: #fffdf8;
  border: 1px solid rgba(11, 31, 58, 0.12);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(11, 31, 58, 0.08);
  padding: 1.25rem 1rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.3s ease;
}

.page-contact .contact-card:hover {
  box-shadow: 0 12px 36px rgba(11, 31, 58, 0.14);
}

.page-contact .contact-card-head {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.85rem;
  border-bottom: 1px solid rgba(11, 31, 58, 0.08);
  padding-bottom: 0.9rem;
  margin-bottom: 1.25rem;
}

.page-contact .card-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.85rem;
  color: var(--c-orange);
  line-height: 1;
  min-width: 2.1rem;
}

.page-contact .card-titles {
  flex: 1 1 auto;
  min-width: 180px;
}

.page-contact .card-titles h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-heading);
  color: var(--c-brown);
  line-height: 1.2;
}

.page-contact .card-sub {
  margin: 0.25rem 0 0;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--c-slate);
}

.page-contact .contact-card-head .tag {
  margin-left: auto;
}

.page-contact .contact-card-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .mail-visual,
.page-contact .address-map-visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  line-height: 0;
  border: 1px solid rgba(11, 31, 58, 0.1);
}

.page-contact .mail-visual img,
.page-contact .address-map-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .map-caption {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(11, 31, 58, 0.78);
  color: var(--c-cream);
  font-family: var(--font-display);
  font-size: 0.72rem;
  line-height: 1.4;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.page-contact .feedback-info,
.page-contact .phone-info {
  padding: 0.25rem 0;
}

.page-contact .info-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
  text-transform: uppercase;
  margin: 0;
}

.page-contact .contact-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--c-deep-space);
  margin: 0.5rem 0 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-desc {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(42, 30, 22, 0.84);
  margin: 0.75rem 0 0;
}

.page-contact .contact-tip {
  margin: 1rem 0 0;
  padding: 0.6rem 0.9rem;
  background: rgba(0, 230, 118, 0.08);
  border-left: 3px solid var(--c-neon);
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  line-height: 1.65;
  color: var(--c-brown);
}

/* ---------- 地址印章 ---------- */
.page-contact .address-stamp {
  position: relative;
  display: inline-block;
  border: 2px solid rgba(255, 107, 44, 0.75);
  color: var(--c-orange);
  padding: 0.4rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  border-radius: 5px;
  background: rgba(255, 107, 44, 0.06);
  transform: rotate(-6deg);
  margin-top: 1rem;
  box-shadow: inset 0 0 0 1px rgba(255, 107, 44, 0.14);
}

.page-contact .address-stamp::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 30%, rgba(255, 107, 44, 0.08) 0%, transparent 40%);
}

/* ---------- FAQ 引导 ---------- */
.page-contact .contact-faq-gate {
  background: var(--c-deep-space);
  color: var(--c-cream);
  padding: 3.5rem 0;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-faq-gate::before {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle at center, rgba(255, 107, 44, 0.18) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .faq-gate-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}

.page-contact .faq-gate-label {
  font-family: var(--font-display);
  font-size: var(--fs-section-num);
  font-weight: 800;
  line-height: 0.9;
  color: rgba(245, 241, 232, 0.12);
  -webkit-text-stroke: 1px rgba(0, 230, 118, 0.4);
  user-select: none;
}

.page-contact .faq-gate-content h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: var(--fs-heading);
  color: var(--c-cream);
}

.page-contact .faq-gate-content p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.75);
  max-width: 56ch;
}

.page-contact .faq-gate-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .contact-faq-gate .btn-ghost {
  border-color: rgba(245, 241, 232, 0.4);
  color: var(--c-cream);
}

.page-contact .contact-faq-gate .btn-ghost:hover {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

/* ---------- 底部返回 ---------- */
.page-contact .contact-footer-link {
  background: var(--c-deep-space);
  padding: 0 0 3rem;
}

.page-contact .contact-footer-link .btn-ghost {
  border-color: rgba(245, 241, 232, 0.35);
  color: var(--c-cream);
}

.page-contact .contact-footer-link .btn-ghost:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero {
    padding: 2.5rem 0 2rem;
  }

  .page-contact .contact-card {
    padding: 1.75rem 1.5rem;
  }

  .page-contact .contact-value {
    font-size: 1.3rem;
  }

  .page-contact .faq-gate-inner {
    gap: 2rem;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero {
    padding: 3rem 0 2.5rem;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: end;
  }

  .page-contact .contact-envelope {
    padding: 0 0 5rem;
  }

  .page-contact .envelope-grid {
    grid-template-columns: 290px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    padding-top: 3rem;
  }

  .page-contact .envelope-side {
    position: sticky;
    top: 2rem;
    align-self: start;
    border-bottom: 0;
    border-right: 1px solid rgba(11, 31, 58, 0.12);
    padding: 0.5rem 1.75rem 2.25rem 0;
  }

  .page-contact .envelope-side-note {
    font-size: 0.82rem;
  }

  .page-contact .contact-card {
    padding: 2rem 2rem 1.75rem;
  }

  .page-contact .contact-card-body {
    gap: 1.75rem;
  }

  .page-contact .contact-main-card .contact-card-body,
  .page-contact .contact-address-card .contact-card-body {
    grid-template-columns: minmax(0, 36%) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .contact-address-card .contact-card-body {
    align-items: start;
  }

  .page-contact .address-stamp {
    margin-top: 1.25rem;
  }

  .page-contact .contact-faq-gate {
    padding: 4.5rem 0;
  }

  .page-contact .faq-gate-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}