.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-contact section {
  padding-block: clamp(44px, 7vw, 96px);
}

.page-contact .breadcrumb {
  padding-top: clamp(14px, 2vw, 24px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--hair);
}

.page-contact .breadcrumb li[aria-current="page"] {
  color: var(--glacier);
}

/* ---------- 首屏拼贴 ---------- */

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
  padding-block: clamp(26px, 4vw, 48px) clamp(34px, 6vw, 76px);
}

.page-contact .hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .hero-kicker::before {
  content: "";
  flex: 0 0 auto;
  width: 34px;
  height: 1px;
  background: var(--lime);
}

.page-contact .hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.2vw, 84px);
  line-height: .97;
  letter-spacing: -.02em;
  color: var(--paper);
  transform: skewX(-6deg);
  transform-origin: left bottom;
  text-wrap: balance;
}

.page-contact .hero-lede {
  max-width: 56ch;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.88;
  color: var(--mist);
}

.page-contact .mail-block {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--moss);
  border: var(--line);
  border-left: 2px solid var(--lime);
  box-shadow: var(--shadow);
}

.page-contact .mail-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .mail-address {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 25px);
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .mail-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 11px 22px;
  border: 2px solid var(--lime);
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-contact .mail-btn::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  transition: background .18s var(--ease);
}

.page-contact .mail-btn:hover,
.page-contact .mail-btn:focus-visible {
  background: transparent;
  color: var(--lime);
}

.page-contact .mail-btn:hover::before,
.page-contact .mail-btn:focus-visible::before {
  background: var(--lime);
}

.page-contact .mail-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .hero-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .info-card {
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--teal);
  border: var(--line);
  box-shadow: var(--shadow);
}

.page-contact .info-card--amber {
  background: var(--amber-deep);
  border-color: rgba(242, 179, 92, .55);
}

.page-contact .info-card__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--glacier);
}

.page-contact .info-card--amber .info-card__label {
  color: var(--amber);
}

.page-contact .info-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .info-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-banner {
  margin: 0;
  border: var(--line);
  background: var(--moss);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.7) brightness(.78) contrast(1.06);
}

.page-contact .contact-banner figcaption {
  padding: 12px clamp(14px, 2vw, 20px);
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 咨询前准备 ---------- */

.page-contact .prep-section {
  background: linear-gradient(180deg, var(--moss) 0%, var(--ink) 100%);
}

.page-contact .prep-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .section-head {
  margin: 0;
}

.page-contact .section-head .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .section-head .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .step-list {
  position: relative;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .step-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, rgba(200, 255, 61, .75), rgba(200, 255, 61, 0));
}

.page-contact .step-item {
  border-top: 1px solid var(--hair);
}

.page-contact .step-item:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-contact .step-item details {
  position: relative;
  padding-left: 36px;
}

.page-contact .step-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
}

.page-contact .step-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .step-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .step-num {
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .step-summary {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .step-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--mist);
  transition: color .18s var(--ease);
}

.page-contact .step-item details[open] summary::after {
  content: "–";
  color: var(--lime);
}

.page-contact .step-body {
  padding-bottom: 20px;
}

.page-contact .step-body p {
  max-width: 58ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--mist);
}

.page-contact .step-media {
  margin: 0;
  border: var(--line);
  background: var(--teal);
}

.page-contact .step-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  filter: saturate(.68) brightness(.8) contrast(1.05);
}

.page-contact .step-media figcaption {
  padding: 12px 14px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 咨询方向标签 ---------- */

.page-contact .topics-section {
  border-top: 1px solid var(--hair);
}

.page-contact .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .tab {
  appearance: none;
  padding: 9px 18px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .tab:hover {
  color: var(--paper);
  border-color: var(--glacier);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .tab[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .tab-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 22px;
  padding: clamp(20px, 3vw, 36px);
  background: var(--moss);
  border: var(--line);
}

.page-contact .tab-panel[hidden] {
  display: none;
}

.page-contact .panel-item {
  padding-left: 16px;
  border-left: 2px solid var(--hair);
}

.page-contact .panel-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .panel-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 时段与站点信息 ---------- */

.page-contact .meta-section {
  border-top: 1px solid var(--hair);
}

.page-contact .meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .meta-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-contact .meta-title::after {
  content: "";
  display: block;
  width: 42px;
  height: 2px;
  margin-top: 14px;
  background: var(--lime);
}

.page-contact .meta-copy {
  max-width: 54ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .meta-list {
  margin: 0;
  background: var(--teal);
  border: var(--line);
}

.page-contact .meta-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px clamp(16px, 2.2vw, 24px);
  border-bottom: 1px solid var(--hair);
}

.page-contact .meta-row:last-child {
  border-bottom: 0;
}

.page-contact .meta-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--glacier);
}

.page-contact .meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 17px);
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 收束链接 ---------- */

.page-contact .next-section {
  border-top: 1px solid var(--hair);
}

.page-contact .next-lede {
  max-width: 62ch;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .link-list {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(24px, 4vw, 56px);
}

.page-contact .link-list li {
  border-top: 1px solid var(--hair);
}

.page-contact .link-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding: 16px 2px;
  color: var(--paper);
  text-decoration: none;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-contact .link-list a:hover,
.page-contact .link-list a:focus-visible {
  color: var(--lime);
  padding-left: 10px;
}

.page-contact .link-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: -.01em;
}

.page-contact .link-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-banner img {
    aspect-ratio: 2.2 / 1;
  }

  .page-contact .tab-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .meta-row {
    grid-template-columns: minmax(0, 120px) minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, .82fr);
  }

  .page-contact .hero-cards {
    gap: 18px;
    padding-top: 10px;
  }

  .page-contact .info-card:nth-child(2) {
    margin-left: clamp(16px, 3vw, 44px);
  }

  .page-contact .contact-banner img {
    aspect-ratio: 2.9 / 1;
  }

  .page-contact .prep-layout {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .78fr);
  }

  .page-contact .step-media {
    position: sticky;
    top: 96px;
  }

  .page-contact .meta-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1200px) {
  .page-contact .link-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}