.page-contact {
  color: var(--paper);
  font-family: var(--ff-body);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 166, 160, 0.45);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .crumb-sep {
  color: rgba(143, 166, 160, 0.6);
}

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(26px, 6vw, 58px);
  padding-bottom: clamp(24px, 5vw, 46px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: var(--gut);
  right: var(--gut);
  bottom: 0;
  height: 1px;
  background: var(--gold-line);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-contact h3 {
  margin: 0;
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.page-contact .contact-lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.86);
}

.page-contact .hero-legend {
  margin-top: 22px;
}

/* ---------- 粘性锚点条 ---------- */
.page-contact .contact-anchors {
  position: sticky;
  top: var(--hdr-h);
  z-index: 6;
  background: var(--ink-2);
  border-top: 1px solid rgba(200, 166, 90, 0.16);
  border-bottom: 1px solid rgba(200, 166, 90, 0.28);
}

.page-contact .anchor-inner {
  display: flex;
  gap: 0;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--gut);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .anchor-inner::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-anchors a {
  flex: 0 0 auto;
  padding: 13px 14px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .contact-anchors a:hover,
.page-contact .contact-anchors a:focus-visible {
  color: var(--paper);
}

.page-contact .contact-anchors a[aria-current="true"] {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

/* ---------- 区块节奏 ---------- */
.page-contact .contact-section {
  padding: clamp(38px, 7vw, 76px) 0;
}

.page-contact .contact-section.section--alt {
  background: rgba(20, 58, 50, 0.42);
  border-top: 1px solid rgba(143, 166, 160, 0.16);
  border-bottom: 1px solid rgba(143, 166, 160, 0.16);
}

.page-contact .sec-head {
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-contact .sec-lede {
  max-width: 34em;
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.72);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 20px 20px;
  background: linear-gradient(180deg, rgba(20, 58, 50, 0.95) 0%, rgba(14, 42, 37, 0.95) 100%);
  border: 1px solid var(--gold);
  box-shadow: inset 0 0 0 1px rgba(10, 22, 20, 0.85), 0 18px 40px -32px rgba(0, 0, 0, 0.95);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease),
    box-shadow var(--t-mid) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(200, 166, 90, 0.32);
  pointer-events: none;
  transition: border-color var(--t-mid) var(--ease);
}

.page-contact .channel-card--alt {
  border-color: rgba(78, 143, 123, 0.8);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within,
.page-contact .channel-card:focus-visible {
  transform: translateY(-8px);
  border-color: var(--gold-hi);
  box-shadow: inset 0 0 0 1px rgba(10, 22, 20, 0.85), 0 0 0 1px rgba(232, 212, 154, 0.45),
    0 0 28px -10px rgba(200, 166, 90, 0.6), 0 26px 46px -34px rgba(0, 0, 0, 1);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before,
.page-contact .channel-card:focus-visible::before {
  border-color: rgba(232, 212, 154, 0.7);
}

.page-contact .channel-card:focus-visible {
  outline: none;
}

.page-contact .ch-tag {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .ch-tag--signal {
  color: var(--signal);
}

.page-contact .channel-card h3 {
  margin-top: 10px;
  font-size: 21px;
}

.page-contact .ch-value {
  margin: 12px 0 0;
  font-family: var(--ff-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gold-hi);
  word-break: break-all;
  user-select: all;
}

.page-contact .ch-value--plain {
  color: var(--paper);
  user-select: none;
}

.page-contact .ch-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 14px 0 0;
  font-size: 14px;
  color: rgba(245, 241, 232, 0.9);
}

.page-contact .ch-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(78, 143, 123, 0.22);
}

.page-contact .ch-desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.7);
}

.page-contact .ch-hint {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-mid) var(--ease);
}

.page-contact .ch-hint p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(143, 166, 160, 0.38);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .channel-card:hover .ch-hint,
.page-contact .channel-card:focus-within .ch-hint,
.page-contact .channel-card:focus-visible .ch-hint {
  max-height: 140px;
}

@media (hover: none) {
  .page-contact .ch-hint {
    max-height: 140px;
  }
}

/* ---------- 图片 ---------- */
.page-contact .contact-figure {
  margin: clamp(24px, 5vw, 40px) 0 0;
}

.page-contact .contact-figure img,
.page-contact .contact-strip img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-figure figcaption {
  margin-top: 12px;
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-strip {
  margin: 0 0 clamp(20px, 4vw, 32px);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid rgba(143, 166, 160, 0.24);
}

.page-contact .prep-item:last-child {
  border-bottom: 1px solid rgba(143, 166, 160, 0.24);
}

.page-contact .prep-item .idx,
.page-contact .step .idx {
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .prep-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.74);
}

/* ---------- 工单步骤 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .step {
  margin-bottom: 10px;
  background: rgba(20, 58, 50, 0.5);
  border: 1px solid rgba(143, 166, 160, 0.26);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-contact .step[open] {
  border-color: rgba(200, 166, 90, 0.62);
  background: rgba(20, 58, 50, 0.78);
}

.page-contact .step > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--paper);
}

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

.page-contact .step > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: 17px;
  font-weight: 500;
  color: var(--gold);
  transition: color var(--t-fast) var(--ease);
}

.page-contact .step[open] > summary::after {
  content: "−";
  color: var(--gold-hi);
}

.page-contact .step > summary:hover {
  color: var(--gold-hi);
}

.page-contact .step-body {
  padding: 0 18px 18px 62px;
}

.page-contact .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.74);
}

/* ---------- 联系方式块 ---------- */
.page-contact .reach-block {
  position: relative;
  padding: clamp(24px, 5vw, 42px);
  background: var(--ink-3);
  border: 1px solid rgba(200, 166, 90, 0.34);
}

.page-contact .reach-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold-line);
}

.page-contact .reach-list {
  margin: clamp(18px, 4vw, 28px) 0 0;
}

.page-contact .reach-list > div {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid rgba(143, 166, 160, 0.2);
}

.page-contact .reach-list > div:last-of-type {
  border-bottom: 1px solid rgba(143, 166, 160, 0.2);
}

.page-contact .reach-list dt {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .reach-list dd {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .val-mono {
  font-family: var(--ff-mono);
  font-weight: 500;
  letter-spacing: 0.01em;
  word-break: break-all;
  user-select: all;
}

.page-contact .reach-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.66);
}

.page-contact .reach-links {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .reach-links a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 212, 154, 0.5);
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .reach-links a:hover,
.page-contact .reach-links a:focus-visible {
  border-bottom-color: var(--gold-hi);
}

/* ---------- 支持范围 ---------- */
.page-contact .scope-grid {
  display: grid;
  gap: 12px;
}

.page-contact .scope-card {
  padding: 20px 18px;
  background: rgba(14, 42, 37, 0.72);
  border: 1px solid rgba(143, 166, 160, 0.22);
  border-left: 2px solid var(--bronze);
}

.page-contact .scope-figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
}

.page-contact .scope-figure .figure {
  font-family: var(--ff-mono);
  font-size: clamp(30px, 8vw, 42px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-contact .scope-figure .unit {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .scope-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.74);
}

.page-contact .scope-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.66);
}

/* ---------- 自助区（米纸反白） ---------- */
.page-contact .quick-card {
  padding: clamp(24px, 5vw, 40px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink-3);
  box-shadow: var(--shadow-2);
}

.page-contact .quick-card h2 {
  color: var(--ink);
}

.page-contact .quick-card .kicker {
  color: var(--bronze);
}

.page-contact .quick-list {
  list-style: none;
  margin: clamp(18px, 4vw, 26px) 0 0;
  padding: 0;
}

.page-contact .quick-list li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-top: 1px solid rgba(10, 22, 20, 0.16);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(10, 22, 20, 0.86);
}

.page-contact .quick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 12px;
  height: 1px;
  background: var(--bronze);
}

.page-contact .quick-card .btn {
  margin-top: clamp(20px, 4vw, 28px);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-contact .channel-card {
    padding: 26px 24px 24px;
  }

  .page-contact .prep-item {
    grid-template-columns: 52px 1fr;
    gap: 18px;
    padding: 24px 0;
  }

  .page-contact .step > summary {
    padding: 18px 22px;
    font-size: 17.5px;
  }

  .page-contact .step-body {
    padding: 0 22px 22px 74px;
  }

  .page-contact .reach-list > div {
    grid-template-columns: 140px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .scope-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-contact .scope-card {
    padding: 24px 20px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .channel-card:focus-visible {
    transform: none;
  }

  .page-contact .channel-card,
  .page-contact .ch-hint,
  .page-contact .step,
  .page-contact .contact-anchors a {
    transition-duration: 1ms;
  }
}