/* ============================================
   联系皇家国际 — 页面专属样式
   作用域：.page-contact
   ============================================ */

.page-contact {
  --contact-royal-faint: rgba(10, 36, 99, 0.035);
  --contact-gold-line: rgba(201, 160, 99, 0.55);
  --contact-sheet: #fffdf6;
  --contact-dark-on: rgba(247, 242, 231, 0.85);
  --contact-dark-soft: rgba(247, 242, 231, 0.6);
  background: var(--bg);
}

.page-contact .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

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

/* ---------- 封面区 ---------- */

.page-contact .contact-cover {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
  background:
    linear-gradient(var(--contact-royal-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-royal-faint) 1px, transparent 1px);
  background-size: 28px 28px;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .contact-cover__inner {
  display: grid;
  gap: 2.5rem;
}

.page-contact .contact-cover__main {
  min-width: 0;
}

.page-contact .contact-cover__bucket {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-contact .contact-crown {
  width: 32px;
  height: 24px;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-contact .contact-cover__index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--royal);
  margin: 0;
}

.page-contact .contact-cover__title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 9vw, 7rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--royal);
  margin: 0 0 1.5rem;
  font-weight: 600;
  max-width: 7em;
}

.page-contact .contact-cover__lead {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dark);
  max-width: 34em;
  margin: 0 0 1.75rem;
}

.page-contact .contact-cover__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.page-contact .cover-key {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--royal);
  border: 1px solid var(--gold-line);
  background: rgba(241, 223, 180, 0.28);
  padding: 0.5rem 0.8rem;
  letter-spacing: 0.03em;
}

.page-contact .cover-aside {
  border: 1px solid var(--gold-line);
  background: rgba(10, 36, 99, 0.05);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  gap: 1.25rem;
  align-content: start;
  position: relative;
  min-width: 0;
}

.page-contact .cover-aside::before {
  content: "";
  position: absolute;
  inset: -1px -1px auto auto;
  width: 48px;
  height: 48px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.page-contact .cover-aside__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0;
}

.page-contact .cover-aside__link {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--royal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
  width: fit-content;
}

.page-contact .cover-aside__link:hover {
  border-bottom-color: var(--gold);
}

.page-contact .cover-aside__note {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-contact .cover-aside__home {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 69, 27, 0.4);
  width: fit-content;
  transition: border-color 0.2s ease;
}

.page-contact .cover-aside__home:hover {
  border-bottom-color: var(--accent);
}

/* ---------- 联系档 ---------- */

.page-contact .contact-dossier {
  padding: clamp(3rem, 7vw, 6rem) 0 0;
}

.page-contact .dossier-head {
  margin-bottom: 2.5rem;
}

.page-contact .dossier-spread {
  display: grid;
  gap: 2rem;
}

.page-contact .spread-left,
.page-contact .spread-right {
  min-width: 0;
}

.page-contact .spread-left {
  background: rgba(247, 242, 231, 0.8);
  border: 1px solid var(--gold-line);
  border-left: 3px solid var(--gold);
  padding: clamp(1.5rem, 3vw, 2.75rem);
}

.page-contact .spread-right {
  padding: 2rem 0 0;
  border-top: 1px solid var(--gold-line);
}

.page-contact .spread-gutter {
  border-top: 1px dashed var(--gold);
  opacity: 0.55;
}

.page-contact .spread-page {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 0.8rem;
  margin-bottom: 1.75rem;
}

.page-contact .spread-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--royal);
  margin: 0 0 0.75rem;
}

.page-contact .spread-intro {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0 0 1.5rem;
}

/* 通讯录 */

.page-contact .contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-contact .contact-item {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .contact-item:last-child {
  border-bottom: 0;
}

.page-contact .contact-type {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2vw, 1.375rem);
  color: var(--royal);
  text-decoration: none;
  text-underline-offset: 4px;
  text-decoration-color: rgba(201, 160, 99, 0.7);
  word-break: break-word;
}

.page-contact .contact-value:hover {
  text-decoration: underline;
  color: var(--royal-deep);
}

.page-contact .contact-note {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--gray);
}

/* 复制按钮 */

.page-contact .copy-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-contact .copy-btn {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--royal);
  background: transparent;
  border: 1px solid var(--royal);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .copy-btn:hover {
  background: var(--royal);
  color: var(--gold-light);
}

.page-contact .copy-hint {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--gray);
}

/* 发信须知 */

.page-contact .notice-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-contact .notice-item {
  border-left: 2px solid var(--gold);
  padding-left: 1.25rem;
}

.page-contact .notice-title {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--royal);
  margin: 0 0 0.35rem;
}

.page-contact .notice-text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--dark);
  margin: 0;
}

.page-contact .notice-promise {
  border: 1px solid rgba(201, 160, 99, 0.6);
  border-left: 3px solid var(--gold);
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--royal-deep);
  background: rgba(241, 223, 180, 0.22);
  margin: 1.5rem 0 0;
}

/* ---------- 访问路线 ---------- */

.page-contact .contact-route {
  padding: clamp(3rem, 7vw, 6rem) 0;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .route-layout {
  display: grid;
  gap: 2.5rem;
}

.page-contact .route-map {
  position: relative;
  background: var(--royal-deep);
  border: 1px solid var(--gold-line);
  padding: 0.5rem 0.5rem 0.75rem;
  min-width: 0;
}

.page-contact .route-map img {
  width: 100%;
  display: block;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  background: var(--contact-royal-faint);
}

.page-contact .map-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(10, 36, 99, 0.88);
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--gold);
}

.page-contact .map-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gold-light);
  padding-top: 0.7rem;
  margin: 0;
}

.page-contact .route-detail {
  min-width: 0;
}

.page-contact .route-detail p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--dark);
  margin: 0 0 1rem;
}

.page-contact .route-detail summary {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--royal);
  background: rgba(10, 36, 99, 0.04);
  border: 1px solid var(--gold-line);
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.page-contact .route-detail summary:hover {
  background: rgba(241, 223, 180, 0.3);
}

.page-contact .route-detail summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-coordinate {
  border: 1px solid var(--gold-line);
  border-top: 0;
  margin: 0;
  padding: 1.25rem;
}

.page-contact .route-coordinate > div {
  display: grid;
  grid-template-columns: minmax(4.5rem, 6rem) 1fr;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .route-coordinate > div:last-child {
  border-bottom: 0;
}

.page-contact .route-coordinate dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin: 0;
}

.page-contact .route-coordinate dd {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--dark);
  margin: 0;
  word-break: break-word;
}

.page-contact .route-help {
  margin-top: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .route-help a {
  color: var(--royal);
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}

/* ---------- 表单通道 ---------- */

.page-contact .contact-form-section {
  background: var(--royal-deep);
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.page-contact .contact-form-section .section-index {
  color: var(--gold);
}

.page-contact .contact-form-section .section-title {
  color: var(--gold-light);
}

.page-contact .form-layout {
  display: grid;
  gap: 2.5rem;
}

.page-contact .form-intro {
  min-width: 0;
}

.page-contact .form-intro p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--contact-dark-on);
  margin: 0 0 1rem;
}

.page-contact .form-intro a {
  color: var(--gold-light);
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}

.page-contact .contact-form {
  background: rgba(247, 242, 231, 0.05);
  border: 1px solid var(--gold);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  min-width: 0;
}

.page-contact .form-row {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.page-contact .form-row label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.page-contact .form-row input,
.page-contact .form-row select,
.page-contact .form-row textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  background: rgba(247, 242, 231, 0.08);
  border: 1px solid rgba(201, 160, 99, 0.5);
  color: var(--bg);
  padding: 0.875rem 1rem;
  border-radius: 0;
  transition: border-color 0.2s ease, outline 0.2s ease;
  box-sizing: border-box;
}

.page-contact .form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact .form-row input:focus,
.page-contact .form-row select:focus,
.page-contact .form-row textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 0;
  border-color: transparent;
}

.page-contact .form-row select option {
  color: var(--royal-deep);
  background: var(--bg);
}

.page-contact .form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact .form-submit {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--gold);
  color: var(--royal-deep);
  border: 1px solid var(--gold);
  padding: 0.875rem 1.75rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .form-submit:hover {
  background: var(--gold-light);
  color: var(--royal-deep);
}

.page-contact .form-note {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--contact-dark-soft);
  margin: 0;
  max-width: 24em;
}

/* ---------- 响应时间 ---------- */

.page-contact .contact-response {
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.page-contact .response-grid {
  display: grid;
  gap: 2.5rem;
}

.page-contact .response-table-wrap {
  overflow-x: auto;
  min-width: 0;
}

.page-contact .response-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  min-width: 480px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--gold-line);
}

.page-contact .response-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  background: var(--royal);
  color: var(--gold-light);
  padding: 1rem 1.25rem;
  border-right: 1px solid rgba(241, 223, 180, 0.25);
}

.page-contact .response-table th:last-child {
  border-right: 0;
}

.page-contact .response-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--gold-line);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--dark);
}

.page-contact .response-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .response-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--royal);
}

.page-contact .response-table td strong {
  font-weight: 600;
  color: var(--accent);
}

.page-contact .response-table tbody tr {
  transition: background 0.2s ease;
}

.page-contact .response-table tbody tr:hover {
  background: var(--gold-light);
}

.page-contact .response-visual {
  border: 1px solid var(--gold-line);
  background: rgba(255, 255, 255, 0.5);
  padding: 0.5rem 0.5rem 0.75rem;
  min-width: 0;
}

.page-contact .response-visual img {
  width: 100%;
  display: block;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--contact-royal-faint);
}

.page-contact .response-visual .map-caption {
  color: var(--gray);
}

/* ---------- 桌面端增强 ---------- */

@media (min-width: 768px) {
  .page-contact .contact-cover__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 6vw, 4rem);
    align-items: end;
  }

  .page-contact .cover-aside {
    margin-bottom: 0.5rem;
  }
}

@media (min-width: 960px) {
  .page-contact .dossier-spread {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1.08fr);
    gap: 0;
  }

  .page-contact .spread-gutter {
    border-top: 0;
    border-left: 1px dashed var(--gold);
    width: 1px;
    opacity: 0.55;
  }

  .page-contact .spread-right {
    border-top: 0;
    padding: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-contact .route-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-contact .form-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-contact .response-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
  }
}