/* ===== 联系我们 · 页面专属样式（作用域 .page-contact） ===== */

.page-contact {
  --contact-gap: clamp(1.5rem, 4vw, 3rem);
  --contact-radius: 0;
}

.page-contact h2 {
  font-size: clamp(1.45rem, 3.6vw, 2rem);
  line-height: 1.32;
  margin: 0 0 0.85rem;
  letter-spacing: -0.01em;
}

.page-contact h3 {
  font-size: clamp(1.08rem, 2.4vw, 1.28rem);
  line-height: 1.45;
  margin: 0 0 0.75rem;
}

.page-contact p {
  margin: 0 0 0.9rem;
}

.page-contact .section-head {
  max-width: 42rem;
  margin-bottom: clamp(1.4rem, 3.5vw, 2.2rem);
}

.page-contact .section-head__lede {
  color: var(--text-on-light-soft);
  font-size: 1rem;
  line-height: 1.8;
  margin: 0;
}

.page-contact .section--ink2 .section-head__lede,
.page-contact .section--dark .section-head__lede {
  color: var(--text-on-dark-soft);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(110% 80% at 86% 4%, rgba(176, 134, 63, 0.18), transparent 58%),
    linear-gradient(178deg, var(--c-ink) 0%, var(--c-ink-2) 78%, var(--c-ink-3) 100%);
  color: var(--text-on-dark);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(2.25rem, 6vw, 4rem);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-brass) 22%, var(--c-brass-lit) 50%, var(--c-brass) 78%, transparent);
  opacity: 0.55;
  z-index: 2;
}

.page-contact .contact-hero__texture {
  position: absolute;
  top: -10%;
  right: -6%;
  width: min(56%, 620px);
  height: auto;
  max-width: none;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(1.4rem, 4vw, 2.2rem);
  font-size: 0.82rem;
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 0.7rem;
}

.page-contact h1 {
  font-size: clamp(1.75rem, 5.6vw, 3rem);
  line-height: 1.22;
  margin: 0 0 1rem;
  letter-spacing: -0.015em;
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  max-width: 40ch;
  color: var(--text-on-dark-soft);
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.85;
  margin: 0;
}

/* ---------- 三块联络信息 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.75rem, 4.5vw, 2.75rem);
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.18fr 1fr 1.06fr;
  }
}

.page-contact .channel {
  position: relative;
  background: var(--c-ink-2);
  padding: clamp(1.2rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--c-brass);
  opacity: 0.85;
}

.page-contact .channel__label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-stone);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.page-contact .channel__label .mono {
  color: var(--c-brass);
  font-size: 0.82rem;
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--c-brass-lit);
  margin: 0;
  word-break: break-word;
}

.page-contact .channel__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(0.98rem, 2.2vw, 1.12rem);
  letter-spacing: 0;
  line-height: 1.7;
  color: var(--text-on-dark);
}

.page-contact .channel__copy {
  align-self: flex-start;
  font-size: 0.84rem;
  padding: 0.5rem 1rem;
}

.page-contact .channel__note {
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-on-dark-soft);
  margin: 0;
}

/* ---------- 咨询类型选择器 ---------- */

.page-contact .tracks {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 900px) {
  .page-contact .tracks {
    grid-template-columns: 250px 1fr;
    gap: clamp(1.75rem, 4vw, 3.25rem);
    align-items: start;
  }
}

.page-contact .tracks__list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
}

@media (min-width: 900px) {
  .page-contact .tracks__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0.7rem;
  }
}

.page-contact .tab {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-on-light);
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.4;
  text-align: left;
  padding: 0.85rem 1.05rem;
  cursor: pointer;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

@media (min-width: 900px) {
  .page-contact .tab {
    white-space: normal;
  }
}

.page-contact .tab:hover {
  border-color: var(--c-brass-lit);
  color: var(--c-brass);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--c-brass-lit);
  outline-offset: 2px;
}

.page-contact .tab[aria-selected="true"] {
  background: var(--c-brass);
  border-color: var(--c-brass);
  color: var(--c-ink);
  font-weight: 700;
}

.page-contact .track-panel {
  background: var(--c-paper-warm);
  border: 1px solid var(--line);
  padding: clamp(1.25rem, 3.2vw, 2.1rem);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .track-panel[hidden] {
  display: none;
}

.page-contact .track-panel > p {
  color: var(--text-on-light-soft);
  line-height: 1.85;
  max-width: 46ch;
}

.page-contact .format-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin: 1.5rem 0 0.55rem;
}

.page-contact .format-line {
  display: inline-block;
  background: var(--c-ink);
  color: var(--c-brass-lit);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  letter-spacing: 0.08em;
  padding: 0.75rem 1.15rem;
  margin: 0 0 1.15rem;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 0 100%);
}

.page-contact .check-list {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-on-light-soft);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-left: 1.5px solid var(--c-brass);
  border-bottom: 1.5px solid var(--c-brass);
  transform: rotate(-45deg);
}

.page-contact .track-panel__foot {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-on-light-soft);
}

.page-contact .track-panel__foot a {
  color: var(--c-brass);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.page-contact .track-panel__foot a:hover {
  color: var(--c-brass-lit);
}

/* ---------- 地址与到访 ---------- */

.page-contact .contact-visit__grid {
  display: grid;
  gap: var(--contact-gap);
}

@media (min-width: 960px) {
  .page-contact .contact-visit__grid {
    grid-template-columns: 1.04fr 0.96fr;
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .contact-visit__lede {
  color: var(--text-on-dark-soft);
  line-height: 1.85;
  max-width: 42ch;
}

.page-contact .fact-list {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  border-top: 1px solid var(--line-on-dark);
}

.page-contact .fact-list > div {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-on-dark);
}

@media (min-width: 620px) {
  .page-contact .fact-list > div {
    grid-template-columns: 7.5rem 1fr;
    gap: 1.4rem;
    align-items: baseline;
  }
}

.page-contact .fact-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-brass);
}

.page-contact .fact-list dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-contact .contact-visit__media {
  position: relative;
  margin: 0;
}

.page-contact .contact-visit__media::after {
  content: "39.02°N / 117.68°E";
  position: absolute;
  left: 0;
  bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  background: var(--c-ink);
  color: var(--c-brass-lit);
  padding: 0.4rem 0.75rem;
  z-index: 2;
}

/* ---------- 路径对照表 ---------- */

.page-contact .route-table-wrap {
  margin-top: clamp(0.5rem, 2vw, 1rem);
}

.page-contact .route-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-contact .route-table caption {
  text-align: left;
}

.page-contact .route-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-stone);
  font-weight: 500;
  padding: 0 0.9rem 0.7rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .route-table thead th:first-child {
  padding-left: 0.9rem;
}

.page-contact .route-table tbody th,
.page-contact .route-table tbody td {
  text-align: left;
  vertical-align: top;
  padding: 1rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-on-light-soft);
}

.page-contact .route-table tbody th {
  color: var(--text-on-light);
  font-weight: 700;
}

.page-contact .route-table tbody tr:nth-child(odd) {
  background: rgba(110, 122, 133, 0.07);
}

.page-contact .route-table tbody a {
  color: var(--c-brass);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.page-contact .route-table tbody a:hover {
  color: var(--c-ink);
}

@media (max-width: 767px) {
  .page-contact .route-table thead {
    display: none;
  }

  .page-contact .route-table,
  .page-contact .route-table tbody,
  .page-contact .route-table tr,
  .page-contact .route-table th,
  .page-contact .route-table td {
    display: block;
    width: 100%;
  }

  .page-contact .route-table tbody tr {
    padding: 0.9rem 1rem 1.1rem;
    border-bottom: 1px solid var(--line-strong);
  }

  .page-contact .route-table tbody th,
  .page-contact .route-table tbody td {
    padding: 0.3rem 0;
    border-bottom: 0;
  }

  .page-contact .route-table tbody th {
    margin-bottom: 0.35rem;
  }

  .page-contact .route-table tbody td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    color: var(--c-stone);
    margin-bottom: 0.2rem;
  }
}

/* ---------- 服务时间与响应 ---------- */

.page-contact .hours-grid {
  display: grid;
  gap: var(--contact-gap);
}

@media (min-width: 900px) {
  .page-contact .hours-grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .hours-grid__lead .eyebrow {
  margin: 0 0 0.7rem;
}

.page-contact .hours-big {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 7vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--c-brass-lit);
  margin: 0.5rem 0 0.4rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--c-brass);
}

.page-contact .hours-sub {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin: 0 0 1.1rem;
  padding-left: calc(0.9rem + 2px);
}

.page-contact .hours-grid__text {
  color: var(--text-on-dark-soft);
  line-height: 1.85;
  max-width: 38ch;
  margin: 0;
}

.page-contact .fold {
  border-top: 1px solid var(--line-on-dark);
}

.page-contact .fold:last-child {
  border-bottom: 1px solid var(--line-on-dark);
}

.page-contact .fold > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 1.05rem 2.4rem 1.05rem 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-on-dark);
  transition: color var(--t-fast) var(--ease);
}

.page-contact .fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold > summary::after {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--c-brass);
  border-bottom: 1.5px solid var(--c-brass);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--t-base) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .fold[open] > summary::after {
  transform: translateY(-25%) rotate(-135deg);
}

.page-contact .fold > summary:hover,
.page-contact .fold > summary:focus-visible {
  color: var(--c-brass-lit);
}

.page-contact .fold > summary:focus-visible {
  outline: 2px solid var(--c-brass-lit);
  outline-offset: 3px;
}

.page-contact .fold p {
  margin: 0 0 1.15rem;
  color: var(--text-on-dark-soft);
  font-size: 0.94rem;
  line-height: 1.85;
  max-width: 52ch;
}

/* ---------- 交互态 ---------- */

.page-contact .btn.is-copied,
.page-contact .channel__copy.is-copied {
  border-color: var(--c-brass-lit);
  color: var(--c-brass-lit);
}

.page-contact .channel__copy:focus-visible {
  outline: 2px solid var(--c-brass-lit);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tab,
  .page-contact .fold > summary::after,
  .page-contact .channel__copy {
    transition: none;
  }
}
</final>
</main>