.page-contact {
  --pc-panel: #143A31;
  --pc-panel-deep: #0B211C;
  --pc-line: rgba(201, 162, 39, 0.32);
  --pc-hair: rgba(244, 241, 232, 0.12);
  --pc-body: rgba(244, 241, 232, 0.84);
  background: var(--ink-800);
  color: var(--bone);
}

.page-contact .breadcrumbs {
  padding-top: 22px;
}

/* ---------- Hero ---------- */
.page-contact .pc-hero {
  padding-top: 10px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  font-weight: 800;
}

.page-contact .pc-hero__main .lede {
  color: var(--pc-body);
  max-width: 60ch;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-facts__item {
  padding-top: 14px;
  min-width: 0;
}

.page-contact .pc-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

.page-contact .pc-facts__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .pc-index {
  border: 1px solid var(--pc-line);
  background: linear-gradient(180deg, rgba(20, 58, 49, 0.92), rgba(11, 33, 28, 0.94));
  padding: 20px 20px 18px;
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-index__head {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .pc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

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

.page-contact .pc-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  color: var(--bone);
  text-decoration: none;
  transition: color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .pc-index__link:hover,
.page-contact .pc-index__link:focus-visible {
  color: var(--gold-soft);
  transform: translateX(4px);
}

.page-contact .pc-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .pc-index__name {
  flex: 1 1 auto;
  font-size: 16px;
}

.page-contact .pc-index__arrow {
  color: var(--mist);
  font-size: 14px;
}

.page-contact .pc-index__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .tracks__layout {
  display: grid;
  gap: 30px;
}

.page-contact .track {
  display: block;
  padding: 26px 0;
  border-top: 1px solid var(--pc-hair);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-contact .track__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .track__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  white-space: nowrap;
}

.page-contact .track__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  letter-spacing: 0.01em;
  font-weight: 700;
}

.page-contact .track__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
  max-width: 62ch;
}

.page-contact .track__fit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .track__points {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 6px 20px;
}

.page-contact .track__points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .track__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

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

/* ---------- 流程 ---------- */
.page-contact .flow__now {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .flow__now span {
  color: var(--gold-soft);
}

.page-contact .flow__figure {
  margin: 26px 0 30px;
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--pc-line), rgba(201, 162, 39, 0.04));
}

.page-contact .flow__step:last-child::before {
  display: none;
}

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

.page-contact .flow__num {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--pc-line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
  background: rgba(11, 33, 28, 0.9);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .flow__step.is-current .flow__num {
  border-color: var(--gold);
  color: var(--bone);
  background: rgba(201, 162, 39, 0.16);
}

.page-contact .flow__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
}

.page-contact .flow__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
  max-width: 60ch;
}

/* ---------- 适合谁 ---------- */
.page-contact .who-grid {
  display: grid;
  gap: 1px;
  background: var(--pc-hair);
  border: 1px solid var(--pc-hair);
}

.page-contact .who {
  background: var(--pc-panel);
  padding: 22px 20px 24px;
}

.page-contact .who__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .who__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.01em;
}

.page-contact .who p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 联系 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 28px;
}

.page-contact .contact-card {
  position: relative;
  border: 1px solid var(--gold);
  background: linear-gradient(160deg, rgba(14, 42, 36, 0.96), rgba(7, 21, 18, 0.98));
  padding: 24px 20px 18px;
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0.05));
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
}

.page-contact .contact-card__badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.page-contact .cc-row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .cc-key {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .cc-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
  word-break: break-word;
}

.page-contact .cc-val--mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-contact .cc-val .copy-btn {
  margin-left: 4px;
  vertical-align: baseline;
}

/* ---------- 需求速填 ---------- */
.page-contact .compose {
  border: 1px solid var(--pc-hair);
  background: rgba(20, 58, 49, 0.55);
  padding: 22px 20px 24px;
}

.page-contact .compose__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.01em;
}

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

.page-contact .field {
  margin-top: 16px;
}

.page-contact .field__label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .field__input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  background: rgba(7, 21, 18, 0.72);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-contact .field__input--area {
  resize: vertical;
  min-height: 96px;
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(7, 21, 18, 0.9);
}

.page-contact .field__input::placeholder {
  color: rgba(143, 166, 158, 0.72);
}

.page-contact .field__hint {
  display: none;
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
}

.page-contact .field:has(.field__input:not(:placeholder-shown):valid) .field__hint--ok {
  display: block;
  color: var(--cyan);
}

.page-contact .field:has(.field__input:not(:placeholder-shown):invalid) .field__hint--bad {
  display: block;
  color: var(--orange);
}

.page-contact .compose__btn {
  display: inline-block;
  margin-top: 20px;
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .notice {
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 20px;
  max-width: 68ch;
}

.page-contact .notice__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.01em;
}

.page-contact .notice p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .notice__meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq {
  border-top: 1px solid var(--pc-hair);
}

.page-contact .faq__item {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .faq__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bone);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .faq__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-contact .faq__item[open] .faq__q::after {
  content: "–";
}

.page-contact .faq__a {
  margin: 0;
  padding: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
  max-width: 66ch;
}

.page-contact .faq__link {
  color: var(--gold-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .faq__link:hover,
.page-contact .faq__link:focus-visible {
  color: var(--bone);
}

.page-contact .faq__foot {
  margin-top: 24px;
  line-height: 1.8;
  color: var(--mist);
}

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

  .page-contact .cc-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .pc-index {
    padding: 24px 24px 20px;
  }

  .page-contact .tracks__layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 52px;
    align-items: start;
  }

  .page-contact .tracks__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-card {
    padding: 28px 26px 22px;
  }

  .page-contact .compose {
    padding: 26px 24px 28px;
  }
}

@media (min-width: 1080px) {
  .page-contact .track__desc {
    font-size: 16px;
  }

  .page-contact .flow__step {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 22px;
    padding-bottom: 30px;
  }

  .page-contact .flow__num {
    width: 56px;
    height: 56px;
    font-size: 14px;
  }

  .page-contact .flow__step::before {
    left: 27px;
    top: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-index__link,
  .page-contact .flow__num,
  .page-contact .field__input {
    transition: none;
  }

  .page-contact .pc-index__link:hover {
    transform: none;
  }
}