.page-contact {
  --c-hair: #1E2D45;
  --c-panel: rgba(17, 28, 46, 0.7);
  position: relative;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 45, 69, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 45, 69, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
}

.page-contact > section {
  position: relative;
  z-index: 1;
}

.page-contact h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin: 14px 0 0;
  text-wrap: balance;
}

.page-contact h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact p {
  text-wrap: pretty;
}

.page-contact a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-lead {
  padding-block: clamp(28px, 5vw, 56px) clamp(44px, 7vw, 88px);
}

.page-contact .contact-lead .breadcrumbs {
  margin-bottom: clamp(24px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}

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

.page-contact .contact-lead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
}

.page-contact .contact-lead__copy h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.08;
  letter-spacing: 0.005em;
  margin: 16px 0 0;
  transform: skewX(-2deg);
  transform-origin: left bottom;
  text-wrap: balance;
}

.page-contact .contact-lead__lede {
  margin: 24px 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.78);
}

.page-contact .contact-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

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

.page-contact .img-frame__media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(168, 255, 42, 0.14), rgba(255, 107, 44, 0.14) 55%, #0A0F1A);
}

.page-contact .img-frame__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .img-frame__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .contact-lead__figure .img-frame__media::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 42%;
  background: var(--signal);
}

/* ---------- 联系信息展台 ---------- */

.page-contact .contact-desk {
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--c-hair);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 6vw, 72px);
}

.page-contact .contact-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-hair);
}

.page-contact .contact-list .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-hair);
  transition: background-color var(--dur-2) var(--ease);
}

.page-contact .contact-list .contact-line:hover {
  background: rgba(255, 107, 44, 0.05);
}

.page-contact .contact-line__key {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-line__value {
  min-width: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(15px, 1.6vw, 20px);
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-line .copy-btn {
  margin-left: auto;
  padding: 6px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--signal);
  background: transparent;
  border: 1px solid rgba(255, 107, 44, 0.45);
  cursor: pointer;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}

.page-contact .contact-line .copy-btn:hover,
.page-contact .contact-line .copy-btn:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}

.page-contact .contact-line .copy-btn[data-copy-state="done"] {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(168, 255, 42, 0.1);
}

.page-contact .contact-desk__note {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-desk__meta {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-desk__meta a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .scope-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.page-contact .scope-list__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 14px;
  padding: 18px 0 18px 14px;
  border-left: 2px solid var(--c-hair);
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease);
}

.page-contact .scope-list__item:hover,
.page-contact .scope-list__item:focus-within {
  border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(168, 255, 42, 0.07), transparent 72%);
}

.page-contact .scope-list__idx {
  grid-column: 1;
  grid-row: 1;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.page-contact .scope-list__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

.page-contact .scope-list__text {
  grid-column: 2;
  grid-row: 2;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 在线时段 ---------- */

.page-contact .contact-hours {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.page-contact .contact-hours__big {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 10px;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(46px, 8.6vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--accent);
}

.page-contact .contact-hours__dash {
  font-size: 0.46em;
  color: var(--muted);
}

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

.page-contact .contact-hours__text {
  margin: 20px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.8);
}

.page-contact .hours-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-hair);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .hours-list li:first-child {
  border-top: 1px solid var(--c-hair);
}

.page-contact .hours-list__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal);
}

/* ---------- 咨询前准备 ---------- */

.page-contact .contact-prep {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-contact .contact-prep__lede {
  max-width: 640px;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-hair);
  border: 1px solid var(--c-hair);
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  column-gap: 14px;
  padding: 24px 20px;
  background: var(--ink);
  transition: background-color var(--dur-2) var(--ease);
}

.page-contact .prep-list__item:hover {
  background: #0D1524;
}

.page-contact .prep-list__idx {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-contact .prep-list__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

.page-contact .prep-list__text {
  grid-column: 2;
  grid-row: 2;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 到访与接驳 ---------- */

.page-contact .contact-route {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-contact .contact-route__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  margin-top: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-route__map {
  padding: 16px;
  border: 1px solid var(--c-hair);
  background:
    radial-gradient(120% 120% at 10% 6%, rgba(168, 255, 42, 0.1), transparent 56%),
    radial-gradient(95% 95% at 94% 94%, rgba(255, 107, 44, 0.13), transparent 60%),
    var(--ink-2);
}

.page-contact .route-map {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-contact .route-map__grid path {
  fill: none;
  stroke: #1E2D45;
  stroke-width: 1;
}

.page-contact .route-map__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 8 6;
  stroke-linecap: round;
}

.page-contact .route-map__node {
  cursor: default;
}

.page-contact .route-map__node circle {
  fill: var(--ink);
  stroke: var(--accent);
  stroke-width: 2;
  transition: fill var(--dur-2) var(--ease), stroke var(--dur-2) var(--ease), r var(--dur-2) var(--ease);
}

.page-contact .route-map__node:hover circle,
.page-contact .route-map__node:focus-within circle {
  r: 13;
  fill: var(--signal);
  stroke: var(--signal);
}

.page-contact .route-map__node:focus-visible {
  outline: none;
}

.page-contact .route-map__label {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: #94A3B8;
  letter-spacing: 0.04em;
}

.page-contact .contact-route__side p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-route__figure {
  margin: 28px 0;
}

.page-contact .contact-route__figure .img-frame__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46%;
  height: 3px;
  background: var(--accent);
}

/* ---------- 常见问题 ---------- */

.page-contact .contact-faq {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-contact .contact-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
}

.page-contact .contact-faq__intro p {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-faq__intro .btn {
  margin-top: 24px;
}

.page-contact .contact-faq__list {
  display: grid;
  align-content: start;
}

.page-contact .contact-faq__list .expand {
  border-top: 1px solid var(--c-hair);
}

.page-contact .contact-faq__list .expand:last-child {
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .contact-faq__list .expand__trigger {
  position: relative;
  width: 100%;
  padding: 20px 44px 20px 16px;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--dur-1) var(--ease);
}

.page-contact .contact-faq__list .expand__trigger:hover {
  color: var(--accent);
}

.page-contact .contact-faq__list .expand__trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-contact .contact-faq__list .expand__trigger::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--signal);
  transition: transform var(--dur-2) var(--ease);
}

.page-contact .contact-faq__list .expand[data-open="true"] .expand__trigger::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .contact-faq__list .expand__inner {
  padding: 0 16px 22px;
}

.page-contact .contact-faq__list .expand__inner p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-faq__list .expand__inner p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-faq__list .expand__inner a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-line__key {
    flex: 0 0 auto;
    min-width: 84px;
  }
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .contact-route__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .contact-faq__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (max-width: 479px) {
  .page-contact .prep-list__item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .prep-list__idx,
  .page-contact .prep-list__title,
  .page-contact .prep-list__text {
    grid-column: 1;
    grid-row: auto;
  }

  .page-contact .prep-list__text {
    margin-top: 6px;
  }

  .page-contact .scope-list__item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .scope-list__idx {
    grid-row: auto;
    padding-top: 0;
  }

  .page-contact .scope-list__title,
  .page-contact .scope-list__text {
    grid-column: 1;
    grid-row: auto;
  }

  .page-contact .scope-list__title {
    margin-top: 4px;
  }

  .page-contact .hours-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}