.page-contact {
  background: var(--ink);
  color: var(--chalk);
}

.page-contact .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .ct-hero-art {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .ct-hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(7, 35, 28, 0.25), rgba(7, 35, 28, 0.94) 72%),
    linear-gradient(180deg, rgba(7, 35, 28, 0.5), var(--ink) 94%);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(198, 255, 61, 0.05) 0 1px, transparent 1px 5px);
}

.page-contact .ct-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-5);
  padding-top: var(--sp-4);
  padding-bottom: var(--sp-6);
}

.page-contact .ct-mast {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-width: 0;
}

.page-contact .ct-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 9vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 42ch;
  color: var(--grey);
  font-size: 1rem;
  line-height: 1.8;
}

.page-contact .ct-stamp {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 12px;
  border: 1px solid rgba(198, 255, 61, 0.42);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .ct-stamp::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
}

/* 通讯录式目录 */
.page-contact .ct-directory {
  min-width: 0;
  background: rgba(16, 23, 21, 0.82);
  border: 1px solid var(--line-strong);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.38);
}

.page-contact .ct-dir-head {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--grey);
}

.page-contact .ct-dir-row {
  display: grid;
  gap: 6px;
  padding: var(--sp-3);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .ct-dir-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-contact .ct-dir-label::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--orange);
}

.page-contact .ct-dir-value {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 6vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--chalk);
  word-break: break-word;
}

.page-contact .ct-dir-value--mail {
  color: var(--lime);
}

.page-contact .ct-dir-value--text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--chalk);
}

.page-contact .ct-dir-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, color 200ms ease;
}

.page-contact .ct-dir-value a:hover,
.page-contact .ct-dir-value a:focus-visible {
  border-bottom-color: currentColor;
}

.page-contact .ct-dir-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-section:last-of-type {
  border-bottom: 0;
}

.page-contact .ct-sec-head {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 6vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .ct-sec-head p {
  margin: 0;
  max-width: 56ch;
  color: var(--grey);
  font-size: 0.95rem;
  line-height: 1.78;
}

/* ---------- 反馈前准备 ---------- */
.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-contact .ct-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  color: var(--chalk);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--lime-soft);
}

.page-contact .ct-prep {
  display: grid;
  gap: var(--sp-3);
}

.page-contact .ct-prep-item {
  min-width: 0;
  padding: var(--sp-3);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(16, 23, 21, 0.55);
  scroll-margin-top: 96px;
}

.page-contact .ct-prep-item h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--chalk);
}

.page-contact .ct-prep-item h3 .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .ct-prep-item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-prep-item li {
  position: relative;
  padding-left: 16px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .ct-prep-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 渠道表格 ---------- */
.page-contact .ct-rows {
  border-top: 1px solid var(--line-strong);
}

.page-contact .ct-row {
  display: grid;
  gap: 8px;
  padding-block: var(--sp-3);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-row--head {
  display: none;
}

.page-contact .ct-cell {
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .ct-cell strong {
  display: block;
  color: var(--chalk);
  font-weight: 600;
  font-size: 0.98rem;
}

.page-contact .ct-k {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(185, 196, 189, 0.7);
}

/* ---------- 纸面地址区 ---------- */
.page-contact .ct-paper {
  display: grid;
  background: var(--paper);
  color: var(--brown);
  border: 1px solid var(--brown);
  box-shadow: 6px 6px 0 rgba(42, 31, 26, 0.32);
}

.page-contact .ct-paper-media {
  position: relative;
  min-height: 180px;
  overflow: hidden;
}

.page-contact .ct-paper-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .ct-paper-body {
  min-width: 0;
  padding: var(--sp-4);
}

.page-contact .ct-paper .ct-h2 {
  color: var(--brown);
}

.page-contact .ct-facts {
  margin: var(--sp-3) 0 0;
  display: grid;
  gap: var(--sp-3);
}

.page-contact .ct-fact {
  padding-top: var(--sp-2);
  border-top: 1px solid rgba(42, 31, 26, 0.25);
}

.page-contact .ct-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(42, 31, 26, 0.68);
}

.page-contact .ct-fact dd {
  margin: 4px 0 0;
  font-size: 1rem;
  line-height: 1.72;
}

.page-contact .ct-fact--mono dd {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .ct-paper-note {
  margin: var(--sp-3) 0 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: rgba(42, 31, 26, 0.76);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .ct-open {
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border: 1px solid var(--line-strong);
  background: linear-gradient(140deg, rgba(198, 255, 61, 0.12), rgba(16, 23, 21, 0.92) 58%);
}

.page-contact .ct-open-mail {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 4.8vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid rgba(198, 255, 61, 0.45);
  padding-bottom: 4px;
  justify-self: start;
}

.page-contact .ct-open-mail:hover,
.page-contact .ct-open-mail:focus-visible {
  border-bottom-color: var(--lime);
}

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

.page-contact .ct-open-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--chalk);
}

.page-contact .ct-open-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--orange);
}

.page-contact .ct-open-note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-links {
  display: grid;
  gap: var(--sp-2);
}

.page-contact .ct-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 56px;
  padding: var(--sp-3);
  border: 1px solid var(--line);
  color: var(--chalk);
  text-decoration: none;
  transition: border-color 200ms ease, background 200ms ease;
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  border-color: var(--lime);
  background: var(--lime-soft);
}

.page-contact .ct-links-label {
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-contact .ct-arrow {
  flex: none;
  font-family: var(--font-mono);
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-prep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .ct-paper {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .ct-paper-media {
    min-height: 100%;
  }

  .page-contact .ct-open {
    padding: var(--sp-5);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-inner {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 7.5fr);
    gap: var(--sp-6);
    padding-top: var(--sp-5);
    padding-bottom: var(--sp-7);
    align-items: start;
  }

  .page-contact .ct-section {
    padding-block: var(--sp-6);
  }

  .page-contact .ct-row {
    grid-template-columns: 1.2fr 0.9fr 1.6fr;
    gap: var(--sp-4);
    align-items: start;
    padding-block: var(--sp-3);
  }

  .page-contact .ct-row--head {
    display: grid;
    padding-block: var(--sp-2);
  }

  .page-contact .ct-row--head .ct-cell {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: rgba(185, 196, 189, 0.75);
  }

  .page-contact .ct-k {
    display: none;
  }

  .page-contact .ct-paper-body {
    padding: var(--sp-5);
  }

  .page-contact .ct-dir-row {
    padding: var(--sp-3) var(--sp-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir-value a,
  .page-contact .ct-jump a,
  .page-contact .ct-links a,
  .page-contact .ct-open-mail {
    transition: none;
  }
}