.page-contact {
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(32px, 5vw, 60px);
  background: var(--paper);
}

.page-contact .contact-hero__split {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(16px, 2.6vw, 28px);
}

.page-contact .contact-hero__main h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: clamp(14px, 2.2vw, 20px) 0 0;
  font-size: var(--fs-md);
  line-height: 1.8;
  color: var(--ink);
  max-width: 64ch;
}

.page-contact .contact-jumps {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hair);
  background: var(--card);
  color: var(--ink);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .contact-jump:hover,
.page-contact .contact-jump:focus-visible {
  border-color: var(--cyan);
  background: var(--paper-2);
  transform: translateY(-2px);
}

.page-contact .contact-jump__no {
  font-size: var(--fs-xs);
  color: var(--gold);
}

/* ---------- 联系信息牌 ---------- */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 34px);
  color: var(--chalk);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(56, 225, 198, .14), transparent 62%),
    linear-gradient(160deg, var(--night), var(--pitch));
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 58%, var(--gold));
}

.page-contact .contact-card__eyebrow {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .contact-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-xl);
  line-height: 1.2;
  color: var(--chalk);
}

.page-contact .contact-fields {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  display: grid;
}

.page-contact .contact-field {
  padding: 12px 0;
  border-top: 1px dashed var(--hair-dark);
}

.page-contact .contact-field:last-child {
  border-bottom: 1px dashed var(--hair-dark);
}

.page-contact .contact-field dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  color: rgba(244, 241, 232, .58);
}

.page-contact .contact-field dd {
  margin: 7px 0 0;
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: rgba(244, 241, 232, .62);
}

.page-contact .contact-hero__visual {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

/* ---------- 通道筛选 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  grid-template-columns: 1fr;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .channel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-md);
  background: var(--card);
  border: 1px solid var(--hair-2);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-float);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-contact .channel--fix::before {
  background: var(--orange);
}

.page-contact .channel--lookup::before {
  background: var(--cyan);
}

.page-contact .channel--account::before {
  background: var(--gold);
}

.page-contact .channel__no {
  margin: 6px 0 0;
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .channel__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .channel__facts {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--hair);
  display: grid;
  gap: 9px;
}

.page-contact .channel__facts li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .channel__fact-key {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  padding-top: 3px;
}

.page-contact .filter-empty {
  margin: 22px 0 0;
  font-size: var(--fs-sm);
  color: var(--muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .process-track {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-contact .process-step {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-md);
  background: rgba(244, 241, 232, .05);
  border: 1px solid var(--hair-dark);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .process-step:hover {
  border-color: var(--cyan);
}

.page-contact .process-step__ghost {
  position: absolute;
  right: 8px;
  top: -18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 96px;
  line-height: 1;
  color: rgba(244, 241, 232, .06);
  pointer-events: none;
}

.page-contact .process-step__no {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .process-step__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  line-height: 1.3;
  color: var(--chalk);
}

.page-contact .process-step__text {
  margin: 10px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: rgba(244, 241, 232, .76);
}

.page-contact .process-visual {
  margin: clamp(26px, 3.6vw, 40px) auto 0;
  max-width: 900px;
}

/* ---------- 纠错要素 ---------- */
.page-contact .evidence {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .evidence__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .evidence__text {
  margin: 16px 0 0;
  font-size: var(--fs-md);
  line-height: 1.8;
  color: var(--ink);
  max-width: 44ch;
}

.page-contact .evidence__intro .link-arrow {
  display: inline-block;
  margin-top: 18px;
}

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

.page-contact .evidence__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--hair-2);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .evidence__item:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .evidence__idx {
  font-size: var(--fs-sm);
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .evidence__item-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .evidence__item-text {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 共建 ---------- */
.page-contact .coop {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-contact .coop__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-contact .coop__text {
  margin: 16px 0 0;
  font-size: var(--fs-md);
  line-height: 1.8;
  color: rgba(244, 241, 232, .78);
  max-width: 56ch;
}

.page-contact .coop__cards {
  display: grid;
  gap: 12px;
}

.page-contact .coop-card {
  padding: clamp(18px, 2.4vw, 24px);
  border-radius: var(--r-md);
  border: 1px solid var(--hair-dark);
  background: rgba(244, 241, 232, .05);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .coop-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  line-height: 1.3;
  color: var(--chalk);
}

.page-contact .coop-card__text {
  margin: 8px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.76;
  color: rgba(244, 241, 232, .74);
}

.page-contact .coop__foot {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.page-contact .coop__foot .link-arrow {
  color: var(--cyan);
}

/* ---------- 页尾指引 ---------- */
.page-contact .contact-tail__grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-contact .tail-card {
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--r-md);
  border: 1px solid var(--hair-dark);
  background: rgba(244, 241, 232, .04);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .tail-card:hover {
  border-color: var(--gold);
}

.page-contact .tail-card__eyebrow {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .tail-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-xl);
  line-height: 1.25;
  color: var(--chalk);
}

.page-contact .tail-card__text {
  margin: 10px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(244, 241, 232, .76);
}

.page-contact .tail-card .link-arrow {
  display: inline-block;
  margin-top: 16px;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (max-width: 420px) {
  .page-contact .channel__facts li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .channel__fact-key {
    padding-top: 0;
  }
}

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

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

@media (min-width: 880px) {
  .page-contact .contact-hero__split {
    grid-template-columns: minmax(280px, 34%) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-hero__main {
    order: 2;
  }

  .page-contact .contact-card {
    order: 1;
    position: sticky;
    top: 24px;
  }

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

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

  .page-contact .evidence {
    grid-template-columns: minmax(0, 34%) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .coop {
    grid-template-columns: minmax(0, 36%) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-card {
    padding: 40px 36px;
  }

  .page-contact .channel__text {
    min-height: 5.4em;
  }
}