.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: 22px 0 0;
  font-size: 13px;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-contact .breadcrumb-list li + li::before {
  content: "／";
  margin-right: 6px;
  color: var(--gold);
}

.page-contact .breadcrumb-link {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb-current {
  color: var(--red);
  font-weight: 600;
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 clamp(48px, 6vw, 78px);
  background:
    radial-gradient(120% 80% at 84% -12%, rgba(201, 154, 46, .22), transparent 62%),
    radial-gradient(90% 70% at -8% 108%, rgba(179, 38, 30, .10), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .hero-note {
  writing-mode: vertical-rl;
  height: 88px;
  margin: 0 0 14px;
  padding-left: 7px;
  border-left: 2px solid var(--gold);
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--gold-dark);
}

.page-contact .hero-kicker {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--red);
}

.page-contact .hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(38px, 7.4vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .title-mark {
  position: relative;
  display: inline-block;
  margin-left: .08em;
  color: var(--red);
}

.page-contact .title-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.06em;
  height: 6px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--orange) 100%);
  opacity: .88;
}

.page-contact .hero-lede {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.92;
  color: var(--ink-soft);
}

.page-contact .hero-photo {
  margin: 0 0 22px;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  display: grid;
  gap: 12px;
  padding: 18px 20px;
  background: var(--cream);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--red);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}

.page-contact .contact-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-label {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ink-soft);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.4vw, 18px);
  font-weight: 700;
  color: var(--red-deep);
  word-break: break-all;
}

.page-contact .contact-note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 首屏右栏 ---------- */
.page-contact .hero-side {
  display: grid;
  gap: 20px;
}

.page-contact .checklist-card {
  padding: 22px 20px 24px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--gold);
  box-shadow: 8px 8px 0 var(--red);
}

.page-contact .checklist-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201, 154, 46, .35);
  font-size: 14px;
  line-height: 1.65;
  color: #EFE4CE;
}

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

.page-contact .checklist-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .address-card {
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: 20px;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-raise);
}

.page-contact .address-text {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .address-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--jade-light);
  border: 1px solid var(--line-strong);
}

/* ---------- 章节骨架 ---------- */
.page-contact .section {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-contact .section-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--red);
}

.page-contact .section-kicker::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--gold);
}

.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .lede {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-triage {
  border-bottom: 1px solid var(--line);
}

.page-contact .triage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .triage-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 20px 22px;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .triage-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--triage, var(--red));
}

.page-contact .triage-card--rule { --triage: var(--red); }
.page-contact .triage-card--record { --triage: var(--jade); }
.page-contact .triage-card--device { --triage: var(--gold-dark); }

.page-contact .triage-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--triage, var(--red));
}

.page-contact .triage-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .triage-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .triage-list {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-strong);
}

.page-contact .triage-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .triage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--triage, var(--red));
  transform: rotate(45deg);
}

/* ---------- 反馈模板（深色区） ---------- */
.page-contact .contact-template {
  background:
    repeating-linear-gradient(135deg, rgba(201, 154, 46, .07) 0 2px, transparent 2px 9px),
    var(--ink);
  color: var(--paper);
}

.page-contact .contact-template .section-kicker {
  color: var(--gold);
}

.page-contact .contact-template .section-kicker::before {
  background: var(--red);
}

.page-contact .contact-template .section-title {
  color: var(--paper);
}

.page-contact .contact-template .lede {
  color: #DCCDB0;
}

.page-contact .template-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 42px);
}

.page-contact .template-block {
  margin: 22px 0 12px;
  padding: 20px;
  background: var(--cream);
  color: var(--ink);
  border: 2px solid var(--gold);
  border-left: 8px solid var(--red);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .template-hint {
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .reply-card {
  padding: 24px 20px;
  background: linear-gradient(160deg, var(--red) 0%, var(--red-deep) 100%);
  border: 2px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(201, 154, 46, .45);
}

.page-contact .reply-label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--gold);
}

.page-contact .reply-time {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream);
}

.page-contact .reply-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #FBE8E3;
}

.page-contact .reply-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 251, 243, .35);
  font-size: 13px;
  line-height: 1.75;
  color: #F7DCD5;
}

/* ---------- 合作与互校 ---------- */
.page-contact .contact-coop {
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-list {
  display: grid;
  gap: 14px;
  max-width: 880px;
}

.page-contact .coop-item {
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(36, 28, 23, .16);
}

.page-contact .coop-item[open] {
  box-shadow: var(--shadow-hard);
}

.page-contact .coop-summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 46px 14px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .coop-summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--red);
}

.page-contact .coop-item[open] .coop-summary::after {
  content: "−";
}

.page-contact .coop-summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .coop-body {
  margin: 0;
  padding: 14px 18px 18px;
  border-top: 1px dashed var(--line-strong);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .coop-body p {
  margin: 0;
}

/* ---------- 页尾指引 ---------- */
.page-contact .contact-tail {
  padding: clamp(40px, 6vw, 66px) 0;
  background: var(--red);
  border-top: 6px solid var(--gold);
  color: var(--cream);
}

.page-contact .tail-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-contact .tail-inner .section-kicker {
  color: var(--cream);
}

.page-contact .tail-inner .section-kicker::before {
  background: var(--gold);
}

.page-contact .tail-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: .02em;
  color: var(--cream);
}

.page-contact .tail-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .tail-link {
  display: block;
  padding: 14px 16px;
  background: rgba(255, 251, 243, .08);
  border: 1px solid rgba(255, 251, 243, .45);
  color: var(--cream);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.6;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.page-contact .tail-link:hover,
.page-contact .tail-link:focus-visible {
  background: var(--cream);
  color: var(--red-deep);
  border-color: var(--gold);
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .triage-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .tail-inner {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-contact .template-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .triage-grid {
    gap: 22px;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero {
    padding-top: 18px;
  }

  .page-contact .hero-note {
    height: 66px;
    letter-spacing: .2em;
  }

  .page-contact .contact-card {
    border-left-width: 6px;
    padding: 16px;
  }

  .page-contact .checklist-card {
    box-shadow: 5px 5px 0 var(--red);
  }

  .page-contact .reply-card {
    box-shadow: 5px 5px 0 rgba(201, 154, 46, .45);
  }

  .page-contact .template-block {
    padding: 16px;
    font-size: 12.5px;
    line-height: 1.9;
  }

  .page-contact .coop-summary {
    font-size: 16px;
    padding-right: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tail-link {
    transition: none;
  }

  .page-contact .tail-link:hover,
  .page-contact .tail-link:focus-visible {
    transform: none;
  }
}