.page-contact {
  --pc-rail-w: 336px;
  --pc-sticky-top: 152px;
  --pc-muted: rgba(244, 237, 225, 0.66);
  --pc-muted-dark: rgba(27, 21, 18, 0.68);
  --pc-hairline: rgba(27, 21, 18, 0.16);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .breadcrumbs a {
  color: var(--teal-soft);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--amber);
}

.page-contact .breadcrumbs span[aria-hidden] {
  margin: 0 6px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero .kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-hero .display {
  margin: 14px 0 0;
  max-width: 14ch;
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.75;
  color: var(--pc-muted);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

@media (min-width: 1000px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, 1fr) var(--pc-rail-w);
  }
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  min-width: 0;
}

.page-contact .contact-block {
  min-width: 0;
}

.page-contact .contact-block + .contact-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3.4vw, 34px);
}

.page-contact .block-title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.8vw, 29px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .block-sub {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 通道卡片列 ---------- */
.page-contact .channel-cards {
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 30px 22px 28px;
  background: var(--paper);
  color: var(--brown);
  border: var(--print);
  box-shadow: var(--lift);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--red);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 24px;
  width: 9px;
  height: 30px;
  background: var(--amber);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 rgba(27, 21, 18, 0.5);
}

.page-contact .channel-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-contact .channel-name {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--brown);
}

.page-contact .channel-scene {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-muted-dark);
}

.page-contact .channel-go {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--teal-deep);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .channel-go:hover,
.page-contact .channel-go:focus-visible {
  color: var(--red);
  border-color: var(--red);
}

/* ---------- 客服邮箱与电话（纸层） ---------- */
.page-contact .desk-panel {
  background: var(--paper);
  color: var(--brown);
  border: var(--print);
  box-shadow: var(--lift);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .desk-panel .block-title {
  color: var(--brown);
}

.page-contact .desk-panel .block-sub {
  color: var(--pc-muted-dark);
}

.page-contact .contact-lines {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .contact-line {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-hairline);
}

@media (min-width: 560px) {
  .page-contact .contact-line {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .line-label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-contact .line-value {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--brown);
  word-break: break-all;
}

.page-contact .desk-note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-muted-dark);
}

/* ---------- 页脚反馈入口 ---------- */
.page-contact .feedback-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .feedback-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--red) 58%, var(--teal) 100%);
}

.page-contact .feedback-specs {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .feedback-spec {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 560px) {
  .page-contact .feedback-spec {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .feedback-spec dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .feedback-spec dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .footer-sketch {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-contact .footer-sketch img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-contact .footer-sketch .figure-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 合作与内容共建 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 700px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .partner-item {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
}

.page-contact .partner-item h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .partner-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .partner-foot {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .partner-foot a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(134, 207, 196, 0.4);
}

.page-contact .partner-foot a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 处理流程 ---------- */
.page-contact .process-line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

@media (min-width: 700px) {
  .page-contact .process-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-contact .process-line li {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .process-line li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -2px;
  width: 44px;
  height: 4px;
  background: var(--amber);
}

.page-contact .process-line li:nth-child(2)::before {
  background: var(--red-soft);
}

.page-contact .process-line li:nth-child(3)::before {
  background: var(--teal);
}

.page-contact .process-step {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-soft);
}

.page-contact .process-line h3 {
  margin: 0 0 7px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .process-line p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .region-facts {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 700px) {
  .page-contact .region-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .region-fact {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 16px 18px;
  background: var(--ink);
}

.page-contact .region-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .region-val {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .region-fact:last-child .region-val {
  color: var(--amber);
  font-size: 14px;
}

.page-contact .region-note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 右侧固定示意 ---------- */
.page-contact .contact-rail {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-contact .contact-rail {
    position: sticky;
    top: var(--pc-sticky-top);
  }
}

.page-contact .rail-figure {
  margin: 0;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 4px solid var(--amber);
}

.page-contact .rail-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink);
}

.page-contact .rail-figure .figure-note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}
</