.page-contact {
  --c-grad: linear-gradient(200deg, #2BE9E0 0%, #FF6A2B 100%);
  --c-line-soft: rgba(31, 43, 63, 0.72);
  --c-card-bg: rgba(19, 28, 46, 0.55);
  padding: 1.5rem 0 4.5rem;
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--index);
}

.page-contact .breadcrumb a {
  color: var(--index);
  text-decoration: none;
}

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

/* ---------- 页头 ---------- */
.page-contact .contact-head {
  margin-top: 1.6rem;
  max-width: 780px;
}

.page-contact .contact-head h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--silver);
  margin: 0.55rem 0 1rem;
}

.page-contact .contact-head .lede {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 62ch;
  margin: 0;
}

.page-contact .jump-link {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 233, 224, 0.35);
  padding-bottom: 3px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .jump-link:hover {
  color: var(--cyan-mist);
  border-color: var(--cyan);
}

/* ---------- 分栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 40px;
  margin-top: 2.6rem;
}

/* ---------- 左侧联系方式 ---------- */
.page-contact .contact-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 22px 20px;
  background: linear-gradient(160deg, rgba(19, 28, 46, 0.95) 0%, var(--panel) 62%);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--c-grad);
  opacity: 0.85;
}

.page-contact .card-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--index);
  margin: 0 0 18px;
}

.page-contact .chan {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line-soft);
  margin-bottom: 18px;
}

.page-contact .chan:last-of-type {
  border-bottom: 0;
  margin-bottom: 6px;
  padding-bottom: 6px;
}

.page-contact .chan-name {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--index);
  margin: 0 0 8px;
}

.page-contact .chan-value {
  margin: 0;
  color: var(--silver);
  word-break: break-word;
}

.page-contact .chan-value--phone {
  font-family: var(--font-mono);
  font-size: clamp(23px, 6.2vw, 31px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  white-space: nowrap;
  background: var(--c-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--cyan);
}

.page-contact .chan-value--mail {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: -0.01em;
  color: var(--cyan-mist);
  overflow-wrap: anywhere;
}

.page-contact .chan-value--addr {
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .contact-copy {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(11, 18, 32, 0.7);
  color: var(--index);
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .contact-copy:hover {
  color: var(--cyan-mist);
  border-color: rgba(43, 233, 224, 0.45);
  background: rgba(43, 233, 224, 0.07);
}

.page-contact .contact-copy[data-copied] {
  color: var(--ok);
  border-color: rgba(62, 213, 152, 0.6);
  background: rgba(62, 213, 152, 0.08);
}

.page-contact .contact-copy--inline {
  margin-top: 0;
  padding: 3px 8px;
  font-size: 11px;
  vertical-align: baseline;
}

.page-contact .locate-grid {
  position: relative;
  margin-top: 14px;
  height: 76px;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background-color: var(--void);
  background-image:
    linear-gradient(to right, rgba(43, 233, 224, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 233, 224, 0.09) 1px, transparent 1px),
    radial-gradient(circle at 62% 46%, rgba(255, 106, 43, 0.2) 0%, transparent 60%);
  background-size: 22px 22px, 22px 22px, 100% 100%;
}

.page-contact .locate-dot {
  position: absolute;
  left: 62%;
  top: 46%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--lava);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.16), 0 0 16px rgba(255, 106, 43, 0.6);
}

.page-contact .chan-foot {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--index);
}

.page-contact .side-figure {
  margin: 20px 0 0;
}

.page-contact .side-figure img,
.page-contact .route-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 5px;
  object-fit: cover;
}

.page-contact .side-figure .media-caption,
.page-contact .route-figure .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--index);
}

.page-contact .site-meta {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--lava);
  border-radius: 4px;
  padding: 16px 18px;
  background: var(--c-card-bg);
}

.page-contact .site-meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--index);
  margin: 0 0 12px;
}

.page-contact .site-meta-list {
  margin: 0;
}

.page-contact .meta-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--c-line-soft);
}

.page-contact .meta-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .meta-row dt {
  font-size: 13px;
  color: var(--index);
}

.page-contact .meta-row dd {
  margin: 0;
  font-size: 13px;
  color: var(--silver);
  text-align: right;
}

.page-contact .meta-row dd.num {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

/* ---------- 右侧内容 ---------- */
.page-contact .section {
  margin-bottom: 3.4rem;
}

.page-contact .panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-contact .panel-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 2.6vw, 30px);
  letter-spacing: 0.01em;
  color: var(--silver);
  margin: 0;
}

.page-contact .panel-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--index);
  white-space: nowrap;
}

.page-contact .section-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--index);
  max-width: 62ch;
  margin: 0 0 18px;
}

.page-contact .route-figure {
  margin: 0 0 22px;
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 20px;
}

.page-contact .chip {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--index);
  cursor: pointer;
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .chip:hover {
  color: var(--cyan-mist);
}

.page-contact .chip[aria-pressed="true"] {
  color: var(--cyan-mist);
  border-color: transparent;
  background:
    linear-gradient(var(--panel-2), var(--panel-2)) padding-box,
    var(--c-grad) border-box;
}

.page-contact .route-grid {
  display: grid;
  gap: 14px;
}

.page-contact .route-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px 20px 18px;
  background: var(--panel);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: var(--c-grad);
  opacity: 0.75;
}

.page-contact .route-card:hover {
  border-color: rgba(43, 233, 224, 0.35);
  transform: translateY(-2px);
}

.page-contact .route-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lava);
  margin: 0 0 10px;
}

.page-contact .route-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--silver);
  margin: 0 0 10px;
}

.page-contact .route-card > p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--index);
  margin: 0 0 14px;
}

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

.page-contact .route-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
  margin-bottom: 7px;
}

.page-contact .route-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 时段与提交要点 ---------- */
.page-contact .timing-strip {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 24px;
}

.page-contact .timing-cell {
  background: var(--panel);
  padding: 18px 20px;
}

.page-contact .timing-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--cyan-mist);
  margin: 0 0 6px;
}

.page-contact .timing-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--index);
  margin: 0;
}

.page-contact .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .tip-list li {
  padding: 15px 0 15px 18px;
  border-bottom: 1px solid var(--c-line-soft);
  border-left: 2px solid transparent;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--index);
}

.page-contact .tip-list li strong {
  color: var(--silver);
  font-weight: 500;
}

.page-contact .tip-list li:nth-child(odd) {
  border-left-color: rgba(43, 233, 224, 0.5);
}

.page-contact .tip-list li:nth-child(even) {
  border-left-color: rgba(255, 106, 43, 0.5);
}

/* ---------- 合作折叠 ---------- */
.page-contact .collab-item {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  margin-bottom: 10px;
}

.page-contact .collab-item[open] {
  border-color: rgba(255, 106, 43, 0.4);
}

.page-contact .collab-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  color: var(--silver);
}

.page-contact .collab-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .collab-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .collab-item[open] summary::after {
  content: "–";
  color: var(--lava);
}

.page-contact .collab-body {
  padding: 0 20px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--index);
}

.page-contact .collab-body p {
  margin: 0;
  max-width: 60ch;
}

.page-contact .collab-foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--index);
}

/* ---------- 自助帮助 ---------- */
.page-contact .help-grid {
  display: grid;
  gap: 12px;
}

.page-contact .help-link {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--c-card-bg);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .help-link:hover {
  border-color: rgba(43, 233, 224, 0.5);
  background: rgba(43, 233, 224, 0.05);
  transform: translateY(-2px);
}

.page-contact .help-link strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--silver);
  margin-bottom: 6px;
}

.page-contact .help-link span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--index);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .timing-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact {
    padding: 2.6rem 0 6rem;
  }

  .page-contact .contact-head {
    margin-top: 2.2rem;
  }

  .page-contact .contact-layout {
    grid-template-columns: 352px minmax(0, 1fr);
    gap: 58px;
    align-items: start;
    margin-top: 3.2rem;
  }

  .page-contact .contact-card {
    padding: 28px 26px 22px;
  }

  .page-contact .route-figure {
    margin-left: -28px;
    margin-right: 28px;
  }

  .page-contact .section:last-child {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .help-link {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .help-link:hover {
    transform: none;
  }
}