.page-contact {
  --contact-rule: 2px solid var(--moss);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

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

.page-contact .crumb-sep {
  margin: 0 8px;
  font-family: var(--font-num);
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 34px;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-contact .hero-copy .eyebrow {
  margin: 0 0 14px;
}

.page-contact .hero-copy h1 {
  margin: 0 0 18px;
}

.page-contact .hero-lede {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--paper);
  opacity: .88;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-rail {
  display: grid;
  gap: 2px;
  border: var(--contact-rule);
  background: var(--moss);
}

.page-contact .rail-block {
  background: var(--deep);
  border-left: 4px solid var(--answer);
  padding: 18px 20px 20px;
}

.page-contact .rail-block:nth-child(2) {
  border-left-color: var(--live);
}

.page-contact .rail-block:nth-child(3) {
  border-left-color: var(--clay);
}

.page-contact .rail-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--stone);
}

.page-contact .rail-value {
  margin: 8px 0 4px;
  font-family: var(--font-num);
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  letter-spacing: .02em;
  color: var(--answer);
  font-variant-numeric: tabular-nums;
}

.page-contact .rail-block:nth-child(2) .rail-value {
  color: var(--live);
}

.page-contact .rail-block:nth-child(3) .rail-value {
  color: var(--paper);
}

.page-contact .rail-note {
  margin: 0;
  font-size: 13px;
  color: var(--stone);
}

/* ---------- 章节标题 ---------- */
.page-contact .chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 34px;
  padding-top: 22px;
  border-top: var(--contact-rule);
}

.page-contact .chapter-head .chapter-num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-num);
  font-size: 1.4rem;
  letter-spacing: .04em;
  color: var(--answer);
}

.page-contact .chapter-head h2 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.page-contact .chapter-head .prose {
  grid-column: 2;
  grid-row: 2;
  max-width: 54ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 01 渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: var(--contact-rule);
  background: var(--moss);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--deep);
  border-left: 4px solid transparent;
  padding: 24px 22px 26px;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--lift);
  border-left-color: var(--answer);
}

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

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .channel-scope {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--paper);
  opacity: .9;
}

.page-contact .channel-tip {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--stone);
}

.page-contact .channel-addr {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--moss);
  font-family: var(--font-num);
  font-size: .95rem;
  letter-spacing: .01em;
  color: var(--answer);
  word-break: break-all;
}

.page-contact .channel-link {
  align-self: flex-start;
}

/* ---------- 02 同步问题 ---------- */
.page-contact .split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 22px;
  border-top: var(--contact-rule);
}

.page-contact .split-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .split-head .chapter-num {
  font-family: var(--font-num);
  font-size: 1.4rem;
  color: var(--answer);
}

.page-contact .split-head h2 {
  margin: 0;
}

.page-contact .split-body {
  display: grid;
  gap: 16px;
  max-width: 62ch;
}

.page-contact .split-body p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.82;
  color: var(--paper);
  opacity: .9;
}

.page-contact .check-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: var(--contact-rule);
  background: var(--moss);
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  background: var(--deep);
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .check-num {
  font-family: var(--font-num);
  font-size: .9rem;
  letter-spacing: .12em;
  color: var(--answer);
}

/* ---------- 03 纠错与合作 ---------- */
.page-contact .correct-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: var(--contact-rule);
  background: var(--moss);
}

.page-contact .correct-card {
  display: grid;
  gap: 14px;
  align-content: start;
  background: var(--lift);
  border-left: 4px solid var(--clay);
  padding: 26px 24px 28px;
}

.page-contact .correct-card:nth-child(2) {
  border-left-color: var(--answer);
}

.page-contact .correct-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-contact .correct-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: .9;
}

.page-contact .correct-card .correct-meta {
  padding-top: 12px;
  border-top: 1px solid var(--moss);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--stone);
  opacity: 1;
}

/* ---------- 04 值班与顺序 ---------- */
.page-contact .duty-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-contact .duty-copy {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .duty-text {
  max-width: 58ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.82;
  color: var(--paper);
  opacity: .9;
}

.page-contact .duty-clock {
  display: grid;
  gap: 14px;
  border: var(--contact-rule);
  background: var(--deep);
  padding: 18px 18px 20px;
}

.page-contact .duty-clock-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--stone);
}

.page-contact .clock-track {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 14px;
  overflow: hidden;
  border: 2px solid var(--moss);
  background: var(--slate);
}

.page-contact .clock-fill {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(79, 240, 208, .16) 0 1px, transparent 1px 12.5%),
    linear-gradient(90deg, rgba(79, 240, 208, .3), rgba(79, 240, 208, .07));
  border-right: 3px solid var(--answer);
}

.page-contact .clock-mark {
  position: relative;
  z-index: 1;
  font-family: var(--font-num);
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-contact .clock-mark-end {
  color: var(--answer);
}

.page-contact .duty-figure {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-contact .duty-media {
  overflow: hidden;
  border: var(--contact-rule);
  background: var(--slate);
  box-shadow: var(--shadow-hard);
}

.page-contact .duty-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-contact .duty-figure .media-caption {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 05 联系信息 ---------- */
.page-contact .desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-contact .desk-main {
  display: grid;
  gap: 24px;
}

.page-contact .desk-cards {
  display: grid;
  gap: 2px;
  border: var(--contact-rule);
  background: var(--moss);
}

.page-contact .desk-card {
  display: grid;
  gap: 8px;
  align-content: start;
  background: var(--deep);
  border-left: 4px solid var(--answer);
  padding: 22px 22px 24px;
}

.page-contact .desk-card:nth-child(2) {
  border-left-color: var(--live);
}

.page-contact .desk-card:nth-child(3) {
  border-left-color: var(--clay);
}

.page-contact .desk-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--stone);
}

.page-contact .desk-value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1rem, 3.4vw, 1.2rem);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact .desk-value-mail {
  color: var(--answer);
  word-break: break-all;
}

.page-contact .desk-value-addr {
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.72;
  opacity: .92;
}

.page-contact .desk-note {
  margin: 0;
  font-size: 13px;
  color: var(--stone);
}

.page-contact .desk-figure {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-contact .desk-media {
  overflow: hidden;
  border: var(--contact-rule);
  background: var(--slate);
}

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

.page-contact .desk-figure .media-caption {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 处理流程（竖向） ---------- */
.page-contact .flow-rail {
  display: grid;
  gap: 20px;
  align-content: start;
  border: var(--contact-rule);
  background: var(--ink);
  padding: 26px 22px 24px;
}

.page-contact .flow-title {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--moss);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .2em;
  color: var(--answer);
}

.page-contact .flow-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 18px;
  bottom: 0;
  width: 2px;
  background: var(--moss);
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-node {
  position: relative;
  z-index: 1;
  display: block;
  width: 12px;
  height: 12px;
  margin: 6px 0 0 5px;
  background: var(--answer);
  box-shadow: 0 0 0 4px rgba(79, 240, 208, .14);
}

.page-contact .flow-step:nth-child(2) .flow-node {
  background: var(--live);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, .14);
}

.page-contact .flow-step:nth-child(4) .flow-node {
  background: var(--clay);
  box-shadow: 0 0 0 4px rgba(168, 85, 48, .18);
}

.page-contact .flow-text {
  display: grid;
  gap: 4px;
}

.page-contact .flow-step-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: .1em;
  color: var(--paper);
}

.page-contact .flow-step-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--stone);
}

.page-contact .flow-foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--moss);
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--stone);
}

.page-contact .flow-foot a {
  color: var(--answer);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 备案信息条 ---------- */
.page-contact .legal-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 44px;
  padding: 16px 0 6px;
  border-top: var(--contact-rule);
  font-size: 13px;
  color: var(--stone);
}

.page-contact .legal-tag {
  padding: 3px 8px;
  border: 1px solid var(--clay);
  font-family: var(--font-display);
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--clay);
}

.page-contact .legal-icp {
  font-family: var(--font-num);
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .legal-link {
  color: var(--stone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .legal-link:hover,
.page-contact .legal-link:focus-visible {
  color: var(--answer);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 880px) {
  .page-contact .contact-hero {
    padding-top: 44px;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
  }

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

  .page-contact .channel-card {
    padding: 30px 26px 32px;
  }

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

  .page-contact .split-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 48px;
  }

  .page-contact .duty-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }
}

@media (min-width: 1100px) {
  .page-contact .chapter-head {
    gap: 12px 22px;
  }

  .page-contact .chapter-head .chapter-num,
  .page-contact .split-head .chapter-num {
    font-size: 1.6rem;
  }
}