.page-contact {
  --ct-line: rgba(244, 236, 221, 0.16);
  --ct-line-strong: rgba(244, 236, 221, 0.3);
  --ct-ink-line: rgba(10, 26, 19, 0.16);
  display: block;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-bottom: clamp(44px, 6vw, 84px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-contact .ct-hero__lead {
  max-width: 42rem;
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-contact .ct-hero__intro {
  margin: 18px 0 0;
  max-width: 38rem;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text-soft);
}

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

/* ---------- 联系方式卡 ---------- */
.page-contact .ct-contact-card {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-2);
  border-top: 3px solid var(--orange);
  border-radius: var(--r);
  padding: clamp(20px, 3.6vw, 32px);
  box-shadow: var(--shadow-lift);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .ct-contact-card:hover {
  transform: translateY(-2px);
}

.page-contact .ct-contact-card__eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(10, 26, 19, 0.55);
}

.page-contact .ct-contact-card__item {
  padding: 14px 0;
  border-top: 1px solid var(--ct-ink-line);
}

.page-contact .ct-contact-card__item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-contact-card__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(10, 26, 19, 0.56);
}

.page-contact .ct-contact-card__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .ct-contact-card__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(15px, 2.2vw, 19px);
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .ct-contact-card__value--mail {
  border-bottom: 1px solid rgba(10, 26, 19, 0.25);
}

.page-contact .ct-contact-card__value--mail:hover {
  color: #b64b00;
  border-bottom-color: var(--orange);
}

.page-contact .ct-contact-card__value--plain {
  display: block;
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.7;
  color: rgba(10, 26, 19, 0.86);
}

.page-contact .ct-contact-card__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ct-ink-line);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(10, 26, 19, 0.7);
}

.page-contact .ct-contact-card__icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(10, 26, 19, 0.5);
}

/* ---------- 图片 ---------- */
.page-contact .ct-figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .ct-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-figure__caption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--text-faint);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-block {
  padding-block: clamp(46px, 7vw, 88px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-block--tight {
  padding-block: clamp(34px, 5vw, 60px);
}

.page-contact .ct-block--panel {
  background: var(--panel);
}

.page-contact .ct-block--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-head {
  max-width: 46rem;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-contact .ct-block--paper .section__eyebrow {
  color: rgba(10, 26, 19, 0.55);
}

.page-contact .ct-block--paper .section__title {
  color: var(--ink);
}

.page-contact .ct-head .section__lead {
  margin-top: 14px;
  color: var(--text-soft);
}

/* ---------- 纠错四项 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .ct-checklist {
  counter-reset: ctf;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist__item {
  counter-increment: ctf;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--r);
  padding: 16px 18px 16px 62px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .ct-checklist__item:hover {
  transform: translateY(-2px);
  border-color: var(--ct-line-strong);
  border-left-color: var(--orange);
}

.page-contact .ct-checklist__item::before {
  content: "0" counter(ctf);
  position: absolute;
  left: 20px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .ct-checklist__title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-checklist__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .ct-note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--ct-line-strong);
  border-radius: var(--r);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-faint);
}

.page-contact .ct-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 227, 208, 0.45);
}

.page-contact .ct-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 集锦三类 ---------- */
.page-contact .ct-cards {
  display: grid;
  gap: 16px;
}

.page-contact .ct-card {
  background: var(--ink);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  padding: 22px 20px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .ct-card:hover {
  transform: translateY(-2px);
  border-color: var(--ct-line-strong);
  box-shadow: var(--shadow-lift);
}

.page-contact .ct-card__title {
  margin: 14px 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-soft);
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-faq {
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .ct-faq__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
  cursor: pointer;
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  list-style: none;
}

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

.page-contact .ct-faq__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--orange);
  flex: none;
}

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

.page-contact .ct-faq__summary:hover {
  color: var(--orange);
}

.page-contact .ct-faq__body {
  padding: 0 0 22px;
  max-width: 44rem;
}

.page-contact .ct-faq__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-soft);
}

/* ---------- 合作建议 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .ct-coop__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(10, 26, 19, 0.55);
}

.page-contact .ct-coop__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-contact .ct-coop__lead {
  margin: 16px 0 0;
  max-width: 38rem;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(10, 26, 19, 0.78);
}

.page-contact .ct-coop__action {
  margin: 26px 0 0;
}

.page-contact .ct-coop__aside {
  background: rgba(10, 26, 19, 0.06);
  border: 1px solid var(--ct-ink-line);
  border-radius: var(--r);
  padding: 22px 20px;
}

.page-contact .ct-coop__aside-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(10, 26, 19, 0.55);
}

.page-contact .ct-coop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(10, 26, 19, 0.84);
}

.page-contact .ct-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

.page-contact .ct-coop__aside-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--ct-ink-line);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(10, 26, 19, 0.62);
}

/* ---------- 延伸入口 ---------- */
.page-contact .ct-next {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 16px 18px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  text-decoration: none;
  color: var(--paper);
  font-size: 16px;
  font-weight: 700;
  transition: border-color 0.22s ease, transform 0.22s ease, background 0.22s ease;
}

.page-contact .ct-next__link:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--panel);
}

.page-contact .ct-next__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-faint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    grid-template-areas:
      "lead card"
      "lead figure";
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .ct-hero__lead {
    grid-area: lead;
    padding-top: 8px;
  }

  .page-contact .ct-contact-card {
    grid-area: card;
  }

  .page-contact .ct-figure {
    grid-area: figure;
  }

  .page-contact .ct-fix__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 52px);
  }

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

  .page-contact .ct-coop {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 1120px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}