.page-contact {
  --pc-line: rgba(199, 207, 203, 0.18);
  --pc-line-2: rgba(199, 207, 203, 0.36);
  --pc-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.9);
  --pc-lime-soft: rgba(200, 255, 61, 0.42);
  position: relative;
  overflow-x: clip;
  color: var(--mist);
  background:
    radial-gradient(1100px 520px at 84% -12%, rgba(200, 255, 61, 0.07), transparent 62%),
    radial-gradient(900px 520px at 6% 30%, rgba(255, 106, 43, 0.05), transparent 60%),
    var(--ink);
}

.page-contact .breadcrumb {
  padding: 22px 0 6px;
  font-size: 13px;
  color: var(--verdigris);
}

.page-contact .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumb-sep {
  margin: 0 8px;
  color: rgba(199, 207, 203, 0.4);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  padding: 10px 0 46px;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

.page-contact .hero-copy h1 {
  margin: 16px 0 18px;
  font-size: clamp(29px, 5.2vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  font-weight: 800;
  max-width: 17ch;
}

.page-contact .hero-sub {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--silver);
}

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

.page-contact .hero-actions .btn {
  text-decoration: none;
}

.page-contact .hero-visual {
  position: relative;
  padding-bottom: 0;
}

.page-contact .hero-visual .media-frame {
  margin: 0;
}

.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-contact .contact-card {
  position: relative;
  margin: -58px 14px 0;
  padding: 20px 22px 22px;
  background: linear-gradient(158deg, var(--moss-2) 0%, var(--moss) 78%);
  border: 1px solid var(--pc-lime-soft);
  border-left: 3px solid var(--lime);
  box-shadow: var(--pc-shadow);
  transform: rotate(-0.7deg);
}

.page-contact .cc-label {
  margin: 0 0 4px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--verdigris);
}

.page-contact .cc-value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.5;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .cc-value:last-of-type {
  margin-bottom: 16px;
}

.page-contact .cc-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.68;
  color: var(--silver);
}

/* ---------- 四类诉求 ---------- */
.page-contact .route-grid {
  gap: var(--gap);
}

.page-contact .route-card {
  position: relative;
  padding: 26px 24px 22px;
  background: linear-gradient(180deg, rgba(28, 58, 44, 0.72) 0%, rgba(16, 37, 28, 0.92) 100%);
  border: 1px solid var(--pc-line);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 54px;
  height: 2px;
  background: var(--lime);
  opacity: 0.7;
}

.page-contact .route-card:nth-child(2)::before,
.page-contact .route-card:nth-child(4)::before {
  background: var(--orange);
  opacity: 0.75;
}

.page-contact .route-card:hover {
  transform: translateY(-2px);
  border-color: var(--pc-lime-soft);
}

.page-contact .route-no {
  margin: 8px 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.page-contact .route-card:nth-child(2) .route-no,
.page-contact .route-card:nth-child(4) .route-no {
  color: var(--orange);
}

.page-contact .route-name {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 700;
}

.page-contact .route-desc {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--silver);
}

.page-contact .route-foot {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--verdigris);
}

.page-contact .route-foot a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}

.page-contact .route-foot a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 提交清单 ---------- */
.page-contact .check-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .check-item {
  position: relative;
  padding: 24px 24px 22px 24px;
  background: var(--ink);
  transition: background 0.3s var(--ease);
}

.page-contact .check-item:hover {
  background: #0F1714;
}

.page-contact .check-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.page-contact .check-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .check-item p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 通道与节奏 ---------- */
.page-contact .channel-grid {
  gap: 32px;
}

.page-contact .channel-panel {
  padding: 26px 24px;
  background: rgba(16, 37, 28, 0.65);
  border: 1px solid var(--pc-line);
}

.page-contact .channel-row {
  padding: 0 0 16px;
  margin: 0 0 16px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .channel-row:last-of-type {
  border-bottom: 0;
}

.page-contact .channel-key {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--verdigris);
}

.page-contact .channel-val {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  line-height: 1.5;
  color: var(--mist);
  word-break: break-all;
}

.page-contact .channel-row:first-child .channel-val {
  color: var(--lime);
}

.page-contact .channel-note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .hours-scale {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .tl-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--pc-line-2);
}

.page-contact .tl-item {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-contact .tl-item:last-child {
  padding-bottom: 0;
}

.page-contact .tl-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 2px solid var(--lime);
  border-radius: 50%;
}

.page-contact .tl-item:nth-child(2)::before,
.page-contact .tl-item:nth-child(3)::before {
  border-color: var(--silver);
}

.page-contact .tl-item:nth-child(4)::before {
  border-color: var(--orange);
}

.page-contact .tl-time {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .tl-name {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
}

.page-contact .tl-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 46ch;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .coop-grid {
  gap: var(--gap);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  background: var(--moss);
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--lime);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .coop-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .coop-card:nth-child(3) {
  border-top-color: var(--verdigris);
}

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

.page-contact .coop-tag {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--verdigris);
}

.page-contact .coop-name {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.32;
}

.page-contact .coop-desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--silver);
}

.page-contact .coop-need {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-2);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--cream);
  opacity: 0.88;
}

.page-contact .coop-qa {
  margin-top: 36px;
  border-top: 1px solid var(--pc-line-2);
}

.page-contact .coop-qa details {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .coop-qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--ease);
}

.page-contact .coop-qa summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .coop-qa details[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-contact .coop-qa summary:hover {
  color: var(--lime);
}

.page-contact .coop-qa p {
  margin: 0 0 20px;
  max-width: 76ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 地址与备案 ---------- */
.page-contact .addr-band {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--pc-line);
  background: var(--moss);
  overflow: hidden;
}

.page-contact .addr-media {
  margin: 0;
  position: relative;
  min-height: 190px;
}

.page-contact .addr-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.08) brightness(0.72);
}

.page-contact .addr-media .media-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  background: var(--cream);
  color: var(--brown);
  font-size: 11.5px;
  letter-spacing: 0.16em;
}

.page-contact .addr-info {
  padding: 30px 24px 32px;
}

.page-contact .addr-info .h-title {
  margin: 0 0 22px;
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 700;
  letter-spacing: -0.015em;
}

.page-contact .addr-dl {
  margin: 0 0 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .addr-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--moss);
}

.page-contact .addr-row dt {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verdigris);
}

.page-contact .addr-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-all;
}

.page-contact .addr-row:nth-child(2) dd {
  color: var(--lime);
}

.page-contact .addr-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--silver);
  max-width: 60ch;
}

.page-contact .addr-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}

.page-contact .addr-note a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .addr-info {
    padding: 34px 32px 36px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 14px 0 84px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .hero-copy {
    padding-bottom: 26px;
  }

  .page-contact .contact-card {
    position: absolute;
    left: -38px;
    bottom: -46px;
    width: min(330px, 84%);
    margin: 0;
  }

  .page-contact .channel-grid {
    align-items: start;
  }

  .page-contact .tl-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-left: 0;
    border-top: 1px solid var(--pc-line-2);
    gap: 0 22px;
  }

  .page-contact .tl-item {
    padding: 28px 0 0 0;
  }

  .page-contact .tl-item::before {
    left: 0;
    top: -5px;
  }

  .page-contact .tl-text {
    max-width: none;
  }

  .page-contact .addr-band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-contact .addr-media img {
    min-height: 100%;
  }

  .page-contact .addr-info {
    padding: 40px 40px 44px;
  }
}

@media (min-width: 1100px) {
  .page-contact .route-card {
    padding: 30px 28px 26px;
  }

  .page-contact .coop-card {
    padding: 30px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .coop-card,
  .page-contact .check-item,
  .page-contact .breadcrumb a,
  .page-contact .coop-qa summary {
    transition: none;
  }

  .page-contact .contact-card {
    transform: none;
  }
}