.page-contact {
  --pc-border: 2px solid var(--line);
  --pc-shadow: 8px 8px 0 var(--void);
  --pc-gap: clamp(18px, 3.6vw, 36px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(24px, 6vw, 56px)) 0 clamp(36px, 6vw, 64px);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(157, 180, 198, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 180, 198, 0.075) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 72% 8%, #000 0%, transparent 74%);
  mask-image: radial-gradient(circle at 72% 8%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: 380px;
  height: 380px;
  z-index: -1;
  background: radial-gradient(circle, rgba(255, 107, 74, 0.16) 0%, transparent 68%);
  pointer-events: none;
}

.page-contact .hero-head {
  max-width: 62ch;
  margin-top: 18px;
}

.page-contact .hero-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
  color: var(--paper);
}

.page-contact .hero-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 2.6vw, 17.5px);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-split {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 5vw, 46px);
}

/* ===== 两步路径 ===== */
.page-contact .path-panel {
  padding: clamp(18px, 3vw, 28px);
  border: var(--pc-border);
  background: linear-gradient(158deg, rgba(14, 59, 69, 0.62), rgba(6, 26, 46, 0.94));
  box-shadow: var(--pc-shadow);
}

.page-contact .panel-title {
  font-family: var(--font-display);
  font-size: clamp(19px, 3.6vw, 25px);
  line-height: 1.32;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-contact .path-figure {
  margin: 0 0 18px;
  aspect-ratio: 3 / 2;
}

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

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

.page-contact .path-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  background: rgba(2, 10, 18, 0.44);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .path-step:hover,
.page-contact .path-step:focus-within {
  border-color: var(--line);
  border-left-color: var(--gold);
  background: rgba(11, 44, 70, 0.7);
  transform: translateX(3px);
}

.page-contact .path-step:last-child {
  border-left-color: var(--jade);
}

.page-contact .step-index {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--coral);
}

.page-contact .path-step:last-child .step-index {
  color: var(--jade);
}

.page-contact .step-title {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-contact .step-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .path-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--gold);
}

/* ===== 联系信息卡 ===== */
.page-contact .reach-card {
  position: relative;
  overflow: hidden;
  border: var(--pc-border);
  box-shadow: var(--pc-shadow);
  background: var(--harbor);
  isolation: isolate;
}

.page-contact .reach-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--seam);
  z-index: 3;
}

.page-contact .reach-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.85) contrast(1.06);
  z-index: -1;
}

.page-contact .reach-body {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
}

.page-contact .reach-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jade);
}

.page-contact .reach-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.32;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-contact .reach-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .reach-row {
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .reach-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .reach-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .reach-value--mail {
  color: var(--jade);
}

.page-contact .reach-value--tel {
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--coral);
}

.page-contact .reach-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.88;
  color: var(--mist);
}

/* ===== 通用章节小导语 ===== */
.page-contact .section-lede {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--mist);
}

/* ===== 渠道说明 ===== */
.page-contact .channel-section {
  padding-top: clamp(44px, 7vw, 76px);
}

.page-contact .channel-list {
  margin-top: clamp(22px, 4vw, 34px);
  display: grid;
  gap: 14px;
}

.page-contact .channel-row {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(11, 44, 70, 0.52);
}

.page-contact .channel-tag {
  justify-self: start;
}

.page-contact .channel-title {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-contact .channel-text {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.86;
  color: var(--mist);
}

/* ===== 回复节奏 ===== */
.page-contact .reply-wrap {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .reply-intro .notice {
  margin-top: 18px;
}

.page-contact .reply-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 24px;
}

.page-contact .reply-item {
  position: relative;
}

.page-contact .reply-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--jade);
  box-shadow: 0 0 0 3px rgba(36, 224, 178, 0.14);
}

.page-contact .reply-time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .reply-text {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.86;
  color: var(--mist);
}

/* ===== 按问题分流 ===== */
.page-contact .route-grid {
  margin-top: clamp(22px, 4vw, 34px);
  display: grid;
  gap: 14px;
}

.page-contact .route-card {
  display: block;
  padding: 18px 18px 20px;
  border: 2px solid var(--line);
  background: var(--harbor);
  box-shadow: 6px 6px 0 var(--void);
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--void);
  border-color: var(--coral);
}

.page-contact .route-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--jade);
}

.page-contact .route-title {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.5;
  margin: 8px 0;
  color: var(--paper);
}

.page-contact .route-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .route-go {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--coral);
}

/* ===== 地址 ===== */
.page-contact .addr-card {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 4vw, 36px);
  border: 2px solid var(--line);
  border-left: 6px solid var(--gold);
  background: linear-gradient(135deg, rgba(14, 59, 69, 0.72), rgba(6, 26, 46, 0.96));
  box-shadow: var(--pc-shadow);
}

.page-contact .addr-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.4vw, 24px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .addr-meta {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .addr-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
  opacity: 0.82;
}

/* ===== 收尾 ===== */
.page-contact .contact-cta {
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-contact .cta-inner {
  position: relative;
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  border: 2px solid var(--line);
  background: var(--teal);
  overflow: hidden;
}

.page-contact .cta-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--dual);
}

.page-contact .cta-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .cta-text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.86;
  color: rgba(242, 245, 243, 0.84);
}

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

/* ===== 断点 ===== */
@media (min-width: 640px) {
  .page-contact .channel-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 20px 22px;
  }
}

@media (min-width: 700px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-contact .reply-wrap {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .addr-card {
    grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-step,
  .page-contact .route-card {
    transition: none;
  }

  .page-contact .path-step:hover,
  .page-contact .path-step:focus-within,
  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }
}