.page-contact {
  background: var(--night);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .contact-mono {
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 19px);
  letter-spacing: .01em;
  color: var(--volt);
  word-break: break-word;
}

.page-contact .contact-mono--small {
  font-size: 14px;
  color: inherit;
}

.page-contact .inline-link {
  color: var(--pitch-lit);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .contact-block--info .inline-link,
.page-contact .contact-block--response .inline-link,
.page-contact .contact-block--form .inline-link {
  color: var(--pitch);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 5vw, 52px) 0 clamp(40px, 7vw, 88px);
  background:
    radial-gradient(115% 80% at 92% -15%, rgba(47, 163, 95, .30), transparent 62%),
    linear-gradient(180deg, var(--night), var(--stand));
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -18%;
  bottom: -46%;
  height: 78%;
  z-index: -1;
  pointer-events: none;
  transform: skewY(-8deg);
  background: linear-gradient(150deg, rgba(20, 107, 58, .62), rgba(12, 59, 36, 0) 72%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-contact .contact-hero__lead { order: 1; position: relative; z-index: 2; }
.page-contact .contact-hero__panel { order: 2; }

.page-contact .breadcrumbs {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sage);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-contact .contact-hero__intro {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.7vw, 18px);
  line-height: 1.75;
  color: rgba(244, 247, 242, .84);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 52ch;
}

.page-contact .contact-hero__points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--sage);
}

.page-contact .contact-hero__points li::before {
  content: "—";
  font-family: var(--font-mono);
  color: var(--volt);
}

.page-contact .contact-hero__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--stand);
}

.page-contact .contact-hero__figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
  filter: saturate(.82) contrast(1.06);
}

.page-contact .contact-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6, 20, 34, .18), rgba(6, 20, 34, .94) 72%);
}

.page-contact .contact-hero__panel-body {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 6px;
}

.page-contact .contact-hero__panel-label {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-hero__panel-body .contact-mono {
  margin: 0;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block {
  padding: clamp(40px, 6.5vw, 80px) 0;
}

.page-contact .section__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .section__note {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 类型分流 ---------- */
.page-contact .contact-block--routes {
  background: var(--stand);
  border-top: 1px solid var(--line);
}

.page-contact .tabs__list {
  display: flex;
  gap: 8px;
  margin-top: 26px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .tabs__tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(12, 36, 56, .62);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .tabs__tab:hover { border-color: var(--pitch-lit); }

.page-contact .tabs__tab[aria-selected="true"] {
  background: var(--pitch);
  border-color: var(--pitch-lit);
  color: var(--mist);
}

.page-contact .tabs__tab:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-contact .tabs__panel {
  margin-top: 16px;
  padding: clamp(18px, 3.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(6, 20, 34, .66);
}

.page-contact .route-panel {
  display: grid;
  gap: 20px;
}

.page-contact .route-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4vw, 26px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .route-panel__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 247, 242, .8);
}

.page-contact .route-panel__side {
  display: grid;
  gap: 6px;
  align-content: start;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .route-panel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .route-panel__value {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 联系信息 ---------- */
.page-contact .contact-block--info {
  background: var(--mist);
  color: var(--ink);
}

.page-contact .contact-block--info .section__title { color: var(--ink); }
.page-contact .contact-block--info .section__note { color: rgba(4, 16, 26, .68); }
.page-contact .contact-block--info .eyebrow { color: rgba(4, 16, 26, .7); }

.page-contact .info-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .info-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--stand), var(--night));
  color: var(--mist);
}

.page-contact .info-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .info-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 20px);
  color: var(--volt);
  word-break: break-word;
}

.page-contact .info-card__value--text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .info-card__text {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 247, 242, .78);
}

.page-contact .info-card--address {
  background: linear-gradient(160deg, var(--pitch-deep), var(--night));
}

/* ---------- 咨询准备 ---------- */
.page-contact .contact-block--prep {
  background:
    radial-gradient(90% 70% at 6% 0%, rgba(20, 107, 58, .32), transparent 60%),
    var(--night);
}

.page-contact .prep {
  display: grid;
  gap: 26px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: prep;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list__item:first-child { border-top: 1px solid var(--line); }

.page-contact .prep-list__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--volt);
  padding-top: 3px;
}

.page-contact .prep-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-contact .prep-list__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .prep__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--stand);
}

.page-contact .prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .contact-block--partners {
  background: linear-gradient(180deg, var(--night), var(--pitch-deep));
  border-top: 1px solid rgba(255, 154, 77, .26);
}

.page-contact .partners-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.page-contact .partners-intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 247, 242, .82);
}

.page-contact .partner-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .partner-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  border-radius: var(--radius-md);
  background: rgba(12, 36, 56, .72);
}

.page-contact .partner-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ember);
}

.page-contact .partner-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--mist);
}

.page-contact .partner-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--sage);
}

.page-contact .partners-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  margin-top: 26px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(4, 16, 26, .5);
  border: 1px solid rgba(255, 154, 77, .22);
}

.page-contact .partners-cta p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 247, 242, .8);
}

.page-contact .partners-cta .contact-mono--small {
  color: var(--volt);
  font-size: 14px;
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-block--response {
  background: var(--mist);
  color: var(--ink);
}

.page-contact .contact-block--response .section__title { color: var(--ink); }
.page-contact .contact-block--response .eyebrow { color: rgba(4, 16, 26, .7); }

.page-contact .response-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .response-item {
  border: 1px solid rgba(4, 16, 26, .14);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}

.page-contact .response-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--ink);
  list-style: none;
}

.page-contact .response-item__summary::-webkit-details-marker { display: none; }

.page-contact .response-item__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--pitch);
}

.page-contact .response-item[open] .response-item__summary::after { content: "–"; }

.page-contact .response-item__summary:focus-visible {
  outline: 2px solid var(--pitch-lit);
  outline-offset: -2px;
}

.page-contact .response-item__text {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(4, 16, 26, .76);
}

/* ---------- 留言 ---------- */
.page-contact .contact-block--form {
  background: var(--mist);
  color: var(--ink);
  padding-top: 0;
}

.page-contact .form-wrap {
  display: grid;
  gap: 24px;
}

.page-contact .contact-block--form .section__title { color: var(--ink); }
.page-contact .contact-block--form .section__note { color: rgba(4, 16, 26, .68); }
.page-contact .contact-block--form .eyebrow { color: rgba(4, 16, 26, .7); }

.page-contact .form-tips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .form-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(4, 16, 26, .72);
}

.page-contact .form-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--pitch-lit);
}

.page-contact .contact-form {
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid rgba(4, 16, 26, .14);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 18px 44px rgba(4, 16, 26, .10);
}

.page-contact .contact-form__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .field-grid {
  display: grid;
  gap: 14px;
}

.page-contact .field {
  display: grid;
  gap: 7px;
}

.page-contact .field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(4, 16, 26, .62);
}

.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid rgba(4, 16, 26, .18);
  border-radius: var(--radius-md);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .field textarea {
  min-height: 130px;
  resize: vertical;
}

.page-contact .field input:focus,
.page-contact .field select:focus,
.page-contact .field textarea:focus {
  outline: 2px solid var(--pitch-lit);
  outline-offset: 1px;
  background: #fff;
}

.page-contact .contact-form__foot {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(4, 16, 26, .12);
}

.page-contact .contact-form__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(4, 16, 26, .62);
}

.page-contact .contact-form .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .field--wide {
    grid-column: 1 / -1;
  }
  .page-contact .contact-hero__panel {
    min-height: 360px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: center;
  }
  .page-contact .contact-hero__panel { order: 1; }
  .page-contact .contact-hero__lead { order: 2; }

  .page-contact .route-panel {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
    gap: 32px;
  }
  .page-contact .route-panel__side {
    padding-top: 0;
    padding-left: 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .prep {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 40px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .form-wrap {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-form__foot {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__panel {
    min-height: 440px;
  }
  .page-contact .prep-list__title {
    font-size: 19px;
  }
}

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