.page-contact {
  background: var(--paper);
}

.page-contact .contact-intro {
  position: relative;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(26px, 4.5vw, 52px);
}

.page-contact h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.05;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 14px 0 18px;
}

.page-contact .contact-lead {
  max-width: 64ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}

.page-contact .contact-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: var(--line);
}

.page-contact .contact-facts li {
  background: var(--paper);
  padding: 14px 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .fact-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
}

.page-contact .fact-txt {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .contact-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-bottom: clamp(48px, 8vw, 100px);
}

/* 左侧深色联络面板 */
.page-contact .contact-desk {
  background: var(--ink);
  color: var(--paper);
  border: var(--line);
  box-shadow: 8px 8px 0 var(--stack);
  overflow: hidden;
}

.page-contact .desk-visual {
  position: relative;
  height: 128px;
  overflow: hidden;
  background: var(--panel);
}

.page-contact .desk-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .55;
}

.page-contact .desk-inner {
  padding: 20px 20px 22px;
}

.page-contact .desk-inner h2 {
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.15;
  color: var(--paper);
  margin: 6px 0 18px;
}

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

.page-contact .desk-item {
  border-left: 3px solid var(--sand);
  padding-left: 12px;
  margin-bottom: 18px;
}

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

.page-contact .desk-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sand);
  margin: 0 0 4px;
}

.page-contact .desk-value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  margin: 0 0 4px;
  overflow-wrap: anywhere;
}

.page-contact .desk-value-sm {
  font-size: 13.5px;
  line-height: 1.7;
}

.page-contact .desk-hint {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(247, 245, 240, .72);
  margin: 0;
}

.page-contact .desk-legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--sand);
  margin: 20px 0 0;
}

.page-contact .desk-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(214, 167, 92, .45);
}

.page-contact .desk-jump a {
  font-size: 12px;
  line-height: 1.4;
  padding: 6px 10px;
  border: 1px solid var(--sand);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .desk-jump a:hover,
.page-contact .desk-jump a:focus-visible {
  background: var(--sand);
  color: var(--ink);
}

/* 右侧说明卡片 */
.page-contact .contact-stream {
  min-width: 0;
}

.page-contact .contact-sec {
  position: relative;
  background: var(--paper);
  border: var(--line);
  box-shadow: 6px 6px 0 var(--stack);
  padding: clamp(20px, 3vw, 34px);
  margin-bottom: 24px;
  scroll-margin-top: 80px;
}

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

.page-contact .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  border-bottom: var(--hairline);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.page-contact .sec-num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: .1em;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 1px 7px;
}

.page-contact .sec-head h2 {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.12;
  color: var(--ink);
  margin: 0;
}

.page-contact .sec-lead {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-contact .sec-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 16px 0 0;
}

.page-contact .sec-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .sec-note a:hover,
.page-contact .sec-note a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .channel-list {
  margin: 0;
}

.page-contact .channel {
  padding: 14px 0;
  border-bottom: var(--hairline);
}

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

.page-contact .channel dt {
  font-size: 17px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}

.page-contact .channel dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .need-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .need-list li {
  border: var(--hairline);
  border-left: 3px solid var(--blue);
  padding: 12px 14px;
}

.page-contact .need-list strong {
  display: block;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--blue);
  margin-bottom: 4px;
}

.page-contact .need-list span {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .step-list {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 38px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sand);
  border-bottom: 1px solid var(--sand);
}

.page-contact .step-key {
  font-weight: 700;
  color: var(--ink);
}

.page-contact .mail-line {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 20px);
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--ink);
  background: var(--stack);
  border-left: 4px solid var(--blue);
  padding: 16px 18px;
  margin: 0;
  overflow-wrap: anywhere;
}

/* 第五段：深色底强调转会窗安排 */
.page-contact .contact-sec--window {
  background: var(--panel);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--blue);
}

.page-contact .contact-sec--window .sec-head {
  border-bottom-color: rgba(201, 211, 232, .35);
}

.page-contact .contact-sec--window .sec-head h2 {
  color: var(--paper);
}

.page-contact .contact-sec--window .sec-lead {
  color: rgba(247, 245, 240, .85);
}

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

.page-contact .window-list li {
  border-left: 3px solid var(--sand);
  padding: 4px 0 4px 14px;
  margin-bottom: 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .window-list li:last-child {
  margin-bottom: 0;
}

.page-contact .window-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 3px;
}

.page-contact .window-media {
  margin: 20px 0 0;
  border: var(--line);
  background: var(--ink);
}

.page-contact .media {
  margin: 0;
}

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

.page-contact .media-caption {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(247, 245, 240, .7);
  padding: 9px 12px;
}

.page-contact .sec-window-note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 245, 240, .82);
  margin: 18px 0 0;
}

.page-contact .sec-window-note a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .sec-window-note a:hover,
.page-contact .sec-window-note a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .contact-sec .btn {
  display: inline-block;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .desk-visual {
    height: 148px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-contact .contact-desk {
    position: sticky;
    top: 26px;
  }

  .page-contact .desk-inner {
    padding: 22px 22px 24px;
  }
}