.page-contact {
  --ct-gap: 24px;
  position: relative;
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: 24px;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-contact .ct-hero__lead::before {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  margin-bottom: 20px;
  background: var(--yellow);
  transform: skewX(-24deg);
}

.page-contact .ct-hero__lead .ob-lede {
  max-width: 46ch;
  color: var(--text-mid);
}

.page-contact .ct-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .ct-facts__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-facts__key {
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .ct-facts__val {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--white);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .ct-hero__media {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
}

.page-contact .ct-hero__media .ob-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-hero__media .ob-media__cap {
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 通用小节头 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head__note {
  margin-top: 12px;
  color: var(--text-mid);
}

/* ---------- 三条联系路径 ---------- */
.page-contact .ct-ways {
  position: relative;
  border-top: 1px solid var(--rule);
}

.page-contact .ct-ways::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 180px;
  height: 180px;
  background: linear-gradient(140deg, rgba(255, 198, 26, 0.09), transparent 72%);
  pointer-events: none;
}

.page-contact .ct-ways__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.page-contact .ct-way {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 24px 0 26px 0;
  border-top: 1px solid var(--rule);
  transition: background var(--t-fast);
}

.page-contact .ct-way::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--yellow);
  transition: height var(--t-line);
}

.page-contact .ct-way:hover::before {
  height: 34px;
}

.page-contact .ct-way:hover .ob-h3 {
  color: var(--gold);
}

.page-contact .ct-way__index {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-contact .ct-way__body .ob-h3 {
  margin: 0 0 10px;
  transition: color var(--t-fast);
}

.page-contact .ct-way__body .ob-text {
  max-width: 60ch;
  color: var(--text-mid);
}

.page-contact .ct-way__fit {
  margin: 12px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-way__fit-key {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--yellow);
}

.page-contact .ct-way__tip {
  margin: 12px 0 0;
  font-size: var(--fs-sm);
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- 复制按钮 ---------- */
.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 10px 16px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}

.page-contact .ct-copy:hover {
  border-color: var(--yellow);
  background: var(--navy);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.page-contact .ct-copy .ct-copy__hint {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .ct-copy.is-copied {
  border-color: var(--green);
  color: var(--green);
}

.page-contact .ct-copy.is-copied .ct-copy__hint {
  color: var(--green);
}

.page-contact .ct-copy.is-copied .ct-copy__hint::after {
  content: " ✓";
}

.page-contact .ct-copy--mini {
  margin-top: 0;
  padding: 6px 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-mid);
}

/* ---------- 常见事项 ---------- */
.page-contact .ct-matters__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-matter {
  padding: 26px 22px 28px;
  background: var(--carbon);
  transition: background var(--t-fast);
}

.page-contact .ct-matter:hover {
  background: var(--navy);
}

.page-contact .ct-matter__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--green);
}

.page-contact .ct-matter__title {
  margin: 12px 0 10px;
  font-size: var(--fs-h4);
  line-height: 1.35;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-matter__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--text-mid);
}

/* ---------- 说清话题 + 联系方式 ---------- */
.page-contact .ct-desk__title {
  max-width: 34ch;
}

.page-contact .ct-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 32px;
}

.page-contact .ct-desk__main .ob-h4,
.page-contact .ct-desk__side .ob-h4 {
  margin: 0 0 6px;
  color: var(--white);
}

.page-contact .ct-track {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--rule);
  display: grid;
  gap: 24px;
}

.page-contact .ct-track__item {
  position: relative;
}

.page-contact .ct-track__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--yellow);
}

.page-contact .ct-track__name {
  margin: 0 0 6px;
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-track__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--text-mid);
}

.page-contact .ct-prep__title {
  margin-top: 36px;
}

.page-contact .ct-prep {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--text-mid);
}

.page-contact .ct-prep__item strong {
  color: var(--white);
  font-weight: 700;
}

.page-contact .ct-prep__mark {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 2px;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.page-contact .ct-desk__links {
  margin: 32px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--text-dim);
}

.page-contact .ct-desk__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .ct-card {
  padding: 26px 22px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.page-contact .ct-card--draft {
  background: var(--navy);
}

.page-contact .ct-lines {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .ct-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-line:last-child {
  border-bottom: 0;
}

.page-contact .ct-line__key {
  grid-column: 1 / -1;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .ct-line__val {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--white);
  word-break: break-all;
}

.page-contact .ct-field {
  display: block;
  margin-top: 14px;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .ct-textarea {
  box-sizing: border-box;
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  background: var(--ink);
  border: 1px solid var(--rule);
  border-bottom: 2px solid var(--rule);
  border-radius: var(--radius);
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  resize: vertical;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-contact .ct-textarea::placeholder {
  color: var(--text-dim);
}

.page-contact .ct-textarea:focus {
  outline: none;
  background: var(--carbon);
  border-bottom-color: var(--yellow);
}

.page-contact .ct-hint {
  margin: 12px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--text-mid);
  word-break: break-all;
}

/* ---------- 响应节奏 ---------- */
.page-contact .ct-timing {
  border-top: 1px solid var(--rule);
}

.page-contact .ct-timing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.page-contact .ct-timing__body .ob-text {
  max-width: 52ch;
  color: var(--text-mid);
}

.page-contact .ct-hours {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .ct-hour {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}

.page-contact .ct-hour:first-child {
  border-top-color: var(--yellow);
}

.page-contact .ct-hour__time {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--green);
  letter-spacing: 0.02em;
}

.page-contact .ct-hour__text {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--text-mid);
}

.page-contact .ct-timing__callout {
  margin: 26px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--signal);
  background: rgba(255, 91, 69, 0.06);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-timing__media {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
}

.page-contact .ct-timing__media .ob-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .ct-timing__media .ob-media__cap {
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

/* ---------- 内容合作 ---------- */
.page-contact .ct-collab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-contact .ct-collab__main .ob-text,
.page-contact .ct-collab__side .ob-text {
  max-width: 56ch;
  color: var(--text-mid);
}

.page-contact .ct-needs {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-needs__item {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-needs__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--yellow);
}

.page-contact .ct-collab__link {
  margin: 24px 0 0;
  font-size: var(--fs-sm);
  color: var(--text-dim);
}

.page-contact .ct-collab__side {
  padding: 26px 22px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.page-contact .ct-collab__side .ob-h3 {
  margin: 0 0 12px;
  color: var(--white);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 520px) {
  .page-contact .ct-hour {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

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

  .page-contact .ct-copy {
    width: 100%;
    justify-content: space-between;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding-top: 40px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 64px;
    align-items: end;
  }

  .page-contact .ct-way {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 28px 0 30px;
  }

  .page-contact .ct-way::before {
    top: 4px;
    left: -1px;
  }

  .page-contact .ct-way:hover {
    background: linear-gradient(90deg, rgba(20, 26, 32, 0.9), rgba(10, 13, 16, 0));
  }

  .page-contact .ct-matters__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .ct-matter:nth-child(1) {
    grid-column: span 7;
  }

  .page-contact .ct-matter:nth-child(2) {
    grid-column: span 5;
  }

  .page-contact .ct-matter:nth-child(3) {
    grid-column: span 5;
  }

  .page-contact .ct-matter:nth-child(4) {
    grid-column: span 7;
  }

  .page-contact .ct-desk__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 56px;
  }

  .page-contact .ct-timing__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .ct-collab__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-way,
  .page-contact .ct-way::before,
  .page-contact .ct-copy,
  .page-contact .ct-textarea,
  .page-contact .ct-way__body .ob-h3 {
    transition: none;
  }
}