.page-contact {
  --pc-rule: rgba(147, 173, 166, 0.22);
  --pc-rule-soft: rgba(147, 173, 166, 0.12);
  --pc-tint: rgba(230, 223, 201, 0.06);
  --pc-paper-line: rgba(230, 223, 201, 0.2);
  --pc-body: rgba(242, 246, 241, 0.82);
  background: var(--ink-bg);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(96px, 15vw, 156px) 0 clamp(44px, 7vw, 80px);
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  opacity: 0.32;
  filter: saturate(0.55) contrast(1.05);
}

.page-contact .contact-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 84% 14%, rgba(23, 229, 184, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(5, 35, 30, 0.6) 0%, rgba(5, 35, 30, 0.9) 58%, var(--ink-bg) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(147, 173, 166, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(147, 173, 166, 0.09) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 84%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 84%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
}

.page-contact .breadcrumb {
  margin: 0;
}

.page-contact .breadcrumb a {
  color: var(--moss);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--tactical-soft);
}

.page-contact .contact-kicker {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tactical);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(30px, 7.2vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .contact-lede {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pc-body);
}

/* ---------- 四通道分流面板 ---------- */
.page-contact .route-panel {
  list-style: none;
  margin: clamp(32px, 6vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 20px 18px 22px;
  text-decoration: none;
  color: var(--paper);
  background: linear-gradient(160deg, rgba(230, 223, 201, 0.11), rgba(230, 223, 201, 0.025) 72%);
  border: 1px solid var(--pc-paper-line);
  border-left: 3px solid var(--print);
  border-radius: 2px;
  box-shadow: var(--sheet-shadow);
  transition:
    transform 200ms var(--ease),
    border-color 200ms var(--ease),
    border-left-color 200ms var(--ease),
    background 200ms var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(23, 229, 184, 0.5);
  border-left-color: var(--tactical);
  background: linear-gradient(160deg, rgba(23, 229, 184, 0.12), rgba(230, 223, 201, 0.03) 72%);
}

.page-contact .route-card:focus-visible {
  outline: 2px solid var(--tactical);
  outline-offset: 2px;
}

.page-contact .route-no {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--tactical);
}

.page-contact .route-name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .route-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--pc-body);
}

.page-contact .route-go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
  transition: color 180ms var(--ease);
}

.page-contact .route-card:hover .route-go,
.page-contact .route-card:focus-visible .route-go {
  color: var(--tactical);
}

/* ---------- 内容分段 ---------- */
.page-contact .contact-section {
  padding: clamp(48px, 8vw, 92px) 0;
  border-bottom: 1px solid var(--pc-rule-soft);
}

.page-contact .contact-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-rail-index {
  margin: 0;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--tactical);
  opacity: 0.6;
}

.page-contact .contact-rail-body {
  min-width: 0;
}

.page-contact .contact-section h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.015em;
}

.page-contact .section-lede {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .prose {
  max-width: 66ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-body);
}

.page-contact .section-foot {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact a:not(.route-card):not(.breadcrumb a) {
  color: var(--tactical-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 229, 184, 0.35);
}

.page-contact a:not(.route-card):not(.breadcrumb a):hover,
.page-contact a:not(.route-card):not(.breadcrumb a):focus-visible {
  color: var(--tactical);
  border-bottom-color: var(--tactical);
}

/* ---------- 客服通道 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .channel-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-rule-soft);
}

.page-contact .channel-label {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .channel-value {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: clamp(16px, 4.4vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .channel-use {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 折叠说明块 ---------- */
.page-contact .detail-block {
  margin-top: 28px;
  border: 1px solid var(--pc-rule);
  border-left: 2px solid rgba(23, 229, 184, 0.5);
  border-radius: 2px;
  background: var(--pc-tint);
}

.page-contact .detail-block > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--tactical);
}

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

.page-contact .detail-block > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--moss);
}

.page-contact .detail-block[open] > summary::after {
  content: "\2212";
  color: var(--tactical);
}

.page-contact .detail-block > summary:focus-visible {
  outline: 2px solid var(--tactical);
  outline-offset: -2px;
}

.page-contact .detail-body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--pc-rule-soft);
}

.page-contact .detail-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .check-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--tactical);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pc-rule-soft);
}

.page-contact .coop-item {
  padding: 20px 0;
  background: var(--ink-bg);
}

.page-contact .coop-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--tactical-soft);
}

.page-contact .coop-desc {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 引用规范 ---------- */
.page-contact .quote-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .quote-list > li {
  padding-left: 16px;
  border-left: 1px solid var(--pc-rule);
}

.page-contact .quote-term {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--tactical);
}

.page-contact .quote-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 服务节奏 ---------- */
.page-contact .shift-scale {
  margin: 4px 0 30px;
}

.page-contact .shift-track {
  position: relative;
  height: 8px;
  border-radius: 1px;
  background: rgba(147, 173, 166, 0.16);
  overflow: hidden;
}

.page-contact .shift-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(140, 246, 226, 0.55) 0%, var(--tactical) 52%, rgba(23, 229, 184, 0.35) 100%);
}

.page-contact .shift-axis {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-contact .shift-axis li {
  white-space: nowrap;
}

.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .rhythm-item {
  padding-top: 16px;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .rhythm-value {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: clamp(20px, 4.6vw, 28px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--tactical);
  overflow-wrap: anywhere;
}

.page-contact .rhythm-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .contact-figure {
  margin: 34px 0 0;
  border: 1px solid var(--pc-rule);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.82;
  filter: saturate(0.6);
}

.page-contact .contact-figure .media-caption {
  margin: 0;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
  border-top: 1px solid var(--pc-rule-soft);
}

/* ---------- 收束 ---------- */
.page-contact .contact-close {
  position: relative;
  padding: clamp(44px, 7vw, 76px) 0 clamp(56px, 9vw, 96px);
  background: var(--carbon);
}

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

.page-contact .close-lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-body);
}

.page-contact .close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 24px 0 0;
}

.page-contact .close-links a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-contact .close-meta {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  color: rgba(147, 173, 166, 0.72);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .route-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    background: none;
  }

  .page-contact .coop-item {
    padding: 0 22px 0 0;
    border-left: 1px solid var(--pc-rule);
    padding-left: 20px;
  }

  .page-contact .coop-item:first-child {
    padding-left: 0;
    border-left: none;
  }

  .page-contact .rhythm-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 32px;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-item {
    display: grid;
    grid-template-columns: minmax(150px, 200px) minmax(0, 1fr);
    column-gap: 32px;
    row-gap: 8px;
    align-items: start;
  }

  .page-contact .channel-label {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    padding-top: 6px;
  }

  .page-contact .channel-value {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }

  .page-contact .channel-use {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-rail {
    grid-template-columns: minmax(72px, 120px) minmax(0, 1fr);
    column-gap: clamp(24px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .contact-rail-index {
    font-size: clamp(38px, 4.4vw, 56px);
    font-weight: 700;
    letter-spacing: -0.02em;
    opacity: 0.35;
  }

  .page-contact .contact-lede {
    font-size: 17px;
  }

  .page-contact .contact-figure {
    max-width: 720px;
  }
}

@media (min-width: 1024px) {
  .page-contact .route-panel {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .rhythm-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

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