.page-contact {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-contact .crumbs-wrap {
  padding-top: clamp(18px, 3.5vw, 32px);
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--rock);
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-700);
}

.page-contact .crumbs a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-45);
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .lede {
  margin: 14px 0 0;
  max-width: 44em;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .prose {
  margin: 18px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .section {
  padding-top: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏框景 ---------- */

.page-contact .contact-hero {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  overflow: hidden;
  background:
    radial-gradient(120% 130% at 92% 0%, var(--cyan-12), transparent 58%),
    radial-gradient(90% 90% at 0% 100%, var(--violet-12), transparent 60%),
    linear-gradient(150deg, rgba(13, 24, 48, .96), rgba(6, 13, 30, .99));
}

.page-contact .contact-hero .frame-inner {
  padding: clamp(24px, 4vw, 56px);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .contact-hero h1 {
  margin: .34em 0 .5em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-contact .hero-mark {
  display: inline-block;
  color: var(--cyan);
}

.page-contact .contact-hero .lede {
  max-width: 34em;
}

.page-contact .hero-facts {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ink-700);
  font-size: 14px;
  color: var(--rock);
}

.page-contact .fact-key {
  flex: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--terracotta);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .hero-figure {
  margin: 0;
}

.page-contact .hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background:
    radial-gradient(110% 110% at 22% 0%, var(--cyan-12), transparent 62%),
    var(--ink-800);
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .media-caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--rock);
}

/* ---------- 三张分流卡 ---------- */

.page-contact .routes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 48px);
  align-items: start;
}

.page-contact .route-board {
  position: relative;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .route-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

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

.page-contact .route-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 24px 18px 20px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .route-card::after {
  content: "";
  position: absolute;
  right: -11px;
  top: 50%;
  width: 20px;
  height: 20px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--ink-900);
  border-left: 1px solid var(--ink-700);
}

.page-contact .route-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-28);
}

.page-contact .route-num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--rock);
  padding-top: 3px;
}

.page-contact .route-text {
  display: block;
}

.page-contact .route-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .route-desc {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .route-tag {
  display: block;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(195, 202, 214, .24);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--terracotta);
}

.page-contact .route-radio:nth-of-type(1):checked ~ .route-cards .route-card:nth-child(1),
.page-contact .route-radio:nth-of-type(2):checked ~ .route-cards .route-card:nth-child(2),
.page-contact .route-radio:nth-of-type(3):checked ~ .route-cards .route-card:nth-child(3) {
  border-color: var(--cyan-45);
  background: linear-gradient(90deg, rgba(62, 242, 214, .1), rgba(13, 24, 48, .92) 62%);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-contact .route-radio:nth-of-type(1):checked ~ .route-cards .route-card:nth-child(1) .route-num,
.page-contact .route-radio:nth-of-type(2):checked ~ .route-cards .route-card:nth-child(2) .route-num,
.page-contact .route-radio:nth-of-type(3):checked ~ .route-cards .route-card:nth-child(3) .route-num {
  color: var(--amber);
}

.page-contact .route-radio:nth-of-type(1):focus-visible ~ .route-cards .route-card:nth-child(1),
.page-contact .route-radio:nth-of-type(2):focus-visible ~ .route-cards .route-card:nth-child(2),
.page-contact .route-radio:nth-of-type(3):focus-visible ~ .route-cards .route-card:nth-child(3) {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .route-panels {
  margin-top: 18px;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--cyan-28);
}

.page-contact .route-panel {
  display: none;
}

.page-contact .route-radio:nth-of-type(1):checked ~ .route-panels .route-panel:nth-child(1),
.page-contact .route-radio:nth-of-type(2):checked ~ .route-panels .route-panel:nth-child(2),
.page-contact .route-radio:nth-of-type(3):checked ~ .route-panels .route-panel:nth-child(3) {
  display: block;
  animation: contact-panel-in 200ms var(--ease);
}

@keyframes contact-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact .panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-contact .panel-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .panel-list li {
  position: relative;
  padding-left: 18px;
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-contact .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1.5px;
  background: var(--terracotta);
}

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

/* ---------- 联系面板 ---------- */

.page-contact .contact-panel {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(160deg, rgba(23, 39, 74, .86), rgba(13, 24, 48, .74));
  border: 1px solid var(--cyan-28);
  backdrop-filter: blur(6px);
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(62, 242, 214, .12);
  pointer-events: none;
}

.page-contact .panel-heading {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--cream);
}

.page-contact .channel {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(195, 202, 214, .16);
}

.page-contact .channel-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
}

.page-contact .channel-val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 21px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact a.channel-val:hover,
.page-contact a.channel-val:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .channel-val.is-address {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0;
  color: var(--cream);
  word-break: normal;
}

.page-contact .channel-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--rock);
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 4px rgba(127, 168, 139, .18);
}

.page-contact .channel-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 联系地址 ---------- */

.page-contact .addr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .addr-line {
  margin: 20px 0 0;
  padding: 14px 16px;
  background: var(--cream);
  border-left: 3px solid var(--terracotta);
  font-size: 13.5px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: #17202f;
}

.page-contact .addr-notes {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .addr-notes li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid rgba(195, 202, 214, .14);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .addr-notes .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .addr-figure {
  margin: 0;
}

.page-contact .addr-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background: linear-gradient(140deg, var(--cream), #e2dccd);
}

.page-contact .addr-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 响应刻度表 ---------- */

.page-contact .response-table {
  margin-top: clamp(24px, 3vw, 38px);
}

.page-contact .response-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  align-items: center;
  padding: 18px 0;
  border-top: 1px solid rgba(195, 202, 214, .14);
}

.page-contact .response-row:last-child {
  border-bottom: 1px solid rgba(195, 202, 214, .14);
}

.page-contact .response-key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .response-name {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
}

.page-contact .response-track {
  position: relative;
  grid-column: 1 / -1;
  display: block;
  height: 6px;
  border-radius: 3px;
  background: rgba(195, 202, 214, .13);
  outline: none;
}

.page-contact .response-track:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-contact .response-bar {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transition: width var(--dur) var(--ease);
}

.page-contact .response-row:nth-child(1) .response-bar { width: 20%; }
.page-contact .response-row:nth-child(2) .response-bar { width: 46%; }
.page-contact .response-row:nth-child(3) .response-bar { width: 64%; }
.page-contact .response-row:nth-child(4) .response-bar { width: 84%; }

.page-contact .response-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: max-content;
  max-width: min(300px, 76vw);
  padding: 9px 13px;
  background: var(--cream);
  border: 1px solid var(--terracotta);
  font-size: 12.5px;
  line-height: 1.65;
  color: #17202f;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  z-index: 4;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .response-row:hover .response-tip,
.page-contact .response-track:focus-visible .response-tip {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .response-val {
  grid-column: 1 / -1;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
}

/* ---------- 合作联络 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 38px);
}

.page-contact .coop-card {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .coop-card:hover {
  transform: translateY(-4px);
  border-color: var(--violet-45);
  box-shadow: 0 14px 30px rgba(6, 13, 30, .55);
}

.page-contact .coop-num {
  display: inline-block;
  padding: 3px 9px;
  background: var(--cream);
  border: 1px solid var(--terracotta);
  font-size: 12px;
  letter-spacing: .1em;
  color: #17202f;
}

.page-contact .coop-card h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  color: var(--cream);
}

.page-contact .coop-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .coop-ask {
  padding-top: 12px;
  border-top: 1px dashed rgba(195, 202, 214, .24);
  font-size: 12px !important;
  letter-spacing: .04em;
  line-height: 1.7 !important;
  color: var(--cyan) !important;
}

.page-contact .coop-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: 22px;
  border-top: 1px solid var(--ink-700);
}

.page-contact .coop-foot p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .coop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 自助入口 ---------- */

.page-contact .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .next-card {
  position: relative;
  display: block;
  padding: 20px 52px 20px 22px;
  background: linear-gradient(135deg, rgba(23, 39, 74, .7), rgba(13, 24, 48, .85));
  border: 1px solid var(--ink-700);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan-45);
}

.page-contact .next-num {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--terracotta);
}

.page-contact .next-title {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--cream);
}

.page-contact .next-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-contact .next-arrow {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .next-card:hover .next-arrow,
.page-contact .next-card:focus-visible .next-arrow {
  transform: translate(3px, -50%);
}

/* ---------- 响应式 ---------- */

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

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

  .page-contact .coop-foot {
    grid-template-columns: 1.4fr auto;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 1.12fr .88fr;
  }

  .page-contact .addr-grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .response-row {
    grid-template-columns: 60px minmax(150px, 1fr) 1.5fr 116px;
  }

  .page-contact .response-track {
    grid-column: auto;
  }

  .page-contact .response-val {
    grid-column: auto;
    text-align: right;
  }
}

@media (min-width: 980px) {
  .page-contact .routes-grid {
    grid-template-columns: 1.42fr 1fr;
  }

  .page-contact .contact-panel {
    position: sticky;
    top: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .coop-card,
  .page-contact .next-card,
  .page-contact .next-arrow,
  .page-contact .response-bar,
  .page-contact .response-tip {
    transition: none;
  }

  .page-contact .route-radio:nth-of-type(1):checked ~ .route-panels .route-panel:nth-child(1),
  .page-contact .route-radio:nth-of-type(2):checked ~ .route-panels .route-panel:nth-child(2),
  .page-contact .route-radio:nth-of-type(3):checked ~ .route-panels .route-panel:nth-child(3) {
    animation: none;
  }
}