.page-contact {
  background: var(--ink-900);
  color: var(--text-100);
  padding-bottom: var(--space-2);
}

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

.page-contact .breadcrumb {
  padding: 18px 0 0;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-contact .breadcrumb-list a {
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .breadcrumb-list a:hover,
.page-contact .breadcrumb-list a:focus-visible {
  color: var(--amber-200);
  border-color: var(--amber-200);
}

.page-contact .breadcrumb-sep {
  color: var(--line-500);
}

.page-contact .breadcrumb-list [aria-current="page"] {
  color: var(--amber-200);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  position: relative;
  padding: var(--space-2) 0 var(--space-1);
  border-bottom: 1px solid var(--line-500);
  background-image: linear-gradient(90deg, rgba(44, 66, 87, 0.5) 1px, transparent 1px);
  background-size: 96px 100%;
  background-position: 0 0;
}

.page-contact .kicker {
  color: var(--amber-400);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin: 0;
}

.page-contact .contact-intro h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin: 14px 0 0;
  max-width: 18em;
  color: var(--text-100);
}

.page-contact .contact-lead {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-contact .contact-facts {
  list-style: none;
  margin: var(--space-1) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-facts li {
  display: grid;
  gap: 4px;
  border-left: 2px solid var(--amber-400);
  padding: 2px 0 2px 14px;
}

.page-contact .fact-k {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--amber-200);
}

.page-contact .fact-v {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-400);
}

/* ---------- 双栏骨架 ---------- */

.page-contact .contact-layout {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

/* ---------- 纸质联系卡 ---------- */

.page-contact .contact-card {
  position: relative;
  background: var(--paper-100);
  color: var(--ink-900);
  border: 1px solid var(--paper-edge);
  box-shadow: 4px 4px 0 var(--paper-300), 9px 9px 0 rgba(220, 211, 194, 0.32);
  padding: 30px 20px 22px;
}

.page-contact .contact-card-field {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--amber-400);
  color: var(--amber-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 3px 10px;
}

.page-contact .contact-card h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  margin: 4px 0 0;
  color: var(--ink-900);
}

.page-contact .contact-card-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: #4A5560;
}

.page-contact .contact-line {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--paper-edge);
}

.page-contact .contact-line-key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #5C6670;
}

.page-contact .contact-num {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(13px, 3.5vw, 15px);
  letter-spacing: 0.01em;
  line-height: 1.5;
  background: var(--paper-300);
  border: 1px solid var(--paper-edge);
  padding: 7px 9px;
  overflow-wrap: anywhere;
  color: var(--ink-900);
}

.page-contact .contact-line-value {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-800);
}

.page-contact .contact-line-hint {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: #5C6670;
}

.page-contact .contact-card-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--paper-edge);
  font-size: 13px;
  line-height: 1.7;
  color: #3D4750;
}

.page-contact .contact-card-foot a {
  color: #8A5A10;
  text-decoration: none;
  border-bottom: 1px solid #B98A3C;
}

.page-contact .contact-card-foot a:hover,
.page-contact .contact-card-foot a:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-900);
}

/* ---------- 右栏区块 ---------- */

.page-contact .contact-section {
  border-top: 1px solid var(--line-500);
  padding-top: var(--space-1);
}

.page-contact .contact-section + .contact-section {
  margin-top: var(--space-2);
}

.page-contact .section-no {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-400);
}

.page-contact .contact-section h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  margin: 8px 0 0;
  color: var(--text-100);
}

.page-contact .section-sub {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-400);
}

/* ---------- 渠道组 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-contact .channel {
  background: var(--ink-800);
  padding: 20px 18px;
}

.page-contact .channel h3 {
  margin: 0 0 10px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--amber-200);
}

.page-contact .channel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-contact .channel-meta {
  margin-top: 14px !important;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--celadon-200);
  overflow-wrap: anywhere;
}

/* ---------- 图 ---------- */

.page-contact .contact-figure {
  margin: 22px 0 0;
  padding: 10px;
  background: var(--ink-800);
  border: 1px solid var(--line-500);
}

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

.page-contact .contact-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-400);
}

/* ---------- 时段时间线 ---------- */

.page-contact .timeline {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .timeline li {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 4px 0 20px 20px;
  border-left: 1px solid var(--line-500);
}

.page-contact .timeline li:last-child {
  padding-bottom: 0;
}

.page-contact .timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celadon-400);
}

.page-contact .timeline li.is-now::before {
  background: var(--amber-400);
}

.page-contact .tl-k {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--amber-200);
}

.page-contact .tl-d {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-400);
}

/* ---------- 准备清单 ---------- */

.page-contact .prepare-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prepare-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  background: var(--ink-800);
  border: 1px solid var(--line-500);
  padding: 14px 16px;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-contact .prepare-step:has(input:checked) {
  border-color: var(--celadon-400);
}

.page-contact .prepare-step input {
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: var(--celadon-400);
  cursor: pointer;
}

.page-contact .prepare-step label {
  cursor: pointer;
  display: grid;
  gap: 6px;
}

.page-contact .step-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-100);
}

.page-contact .step-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-contact .check-ready {
  display: none;
  margin: 18px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--celadon-400);
  background: rgba(111, 167, 149, 0.12);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--celadon-200);
}

.page-contact .prepare:not(:has(input:not(:checked))) .check-ready {
  display: block;
}

/* ---------- 咨询类型折叠表 ---------- */

.page-contact .type-list {
  margin-top: 22px;
  border-bottom: 1px solid var(--line-500);
}

.page-contact .type-item {
  border-top: 1px solid var(--line-500);
}

.page-contact .type-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .type-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--line-500);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-mid) var(--ease);
}

.page-contact .type-item[open] summary::after {
  content: "+";
  color: var(--amber-400);
  transform: rotate(45deg);
}

.page-contact .type-item summary:hover .type-name,
.page-contact .type-item summary:focus-visible .type-name {
  color: var(--amber-200);
}

.page-contact .type-no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon-400);
}

.page-contact .type-name {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-100);
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .type-item[open] {
  border-left: 2px solid var(--celadon-400);
  padding-left: 12px;
  margin-left: -14px;
}

.page-contact .type-body {
  padding: 0 0 18px 26px;
}

.page-contact .type-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-400);
}

.page-contact .type-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 12px !important;
}

.page-contact .type-links a {
  font-size: 14px;
  color: var(--amber-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 206, 148, 0.45);
  padding-bottom: 1px;
}

.page-contact .type-links a:hover,
.page-contact .type-links a:focus-visible {
  color: var(--amber-400);
  border-color: var(--amber-400);
}

/* ---------- 合作与反馈 ---------- */

.page-contact .feedback-grid {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.page-contact .feedback-card {
  background: var(--ink-700);
  border: 1px solid var(--line-500);
  border-left: 2px solid var(--amber-400);
  padding: 20px 18px;
}

.page-contact .feedback-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-100);
}

.page-contact .feedback-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-400);
}

.page-contact .feedback-meta {
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line-500);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--celadon-200) !important;
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--line-500);
    border: 1px solid var(--line-500);
  }

  .page-contact .feedback-card {
    border: 0;
    border-left: 2px solid var(--amber-400);
    padding: 22px 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--space-2);
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-intro {
    padding: var(--space-3) 0 var(--space-2);
  }

  .page-contact .contact-lead {
    font-size: 17px;
  }

  .page-contact .type-body {
    padding-left: 34px;
    padding-right: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .type-item summary::after,
  .page-contact .type-name,
  .page-contact .prepare-step,
  .page-contact .breadcrumb-list a {
    transition: none;
  }
}