.page-contact {
  --ct-ink-green: #244B3A;
  --ct-hair: rgba(111, 122, 100, 0.45);
  --ct-soft-ink: rgba(31, 42, 36, 0.84);
  --ct-soft-ink-2: rgba(31, 42, 36, 0.7);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

.page-contact .ct-mono {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 3px solid var(--brick);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-mast {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.5rem, 12vw, 8rem) 0 clamp(2.5rem, 6vw, 4rem);
  background: var(--paper);
}

.page-contact .ct-mast-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, rgba(201, 164, 92, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 164, 92, 0.3) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.8;
  pointer-events: none;
}

.page-contact .ct-mast-block {
  position: absolute;
  z-index: -1;
  right: -18%;
  top: 6%;
  width: min(72vw, 600px);
  aspect-ratio: 1 / 1;
  background: var(--paper-2);
  border: 2px solid rgba(31, 42, 36, 0.1);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-contact .ct-mast-inner {
  position: relative;
}

.page-contact .ct-mast-head {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .ct-mast h1 {
  margin: 0.55rem 0 0;
  max-width: 16ch;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 6.6vw, 3.9rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ct-ink-green);
}

.page-contact .ct-lead {
  margin: 1.1rem 0 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ct-soft-ink);
}

.page-contact .ct-mast-note {
  margin: 1.1rem 0 0;
  display: inline-block;
  padding: 0.35rem 0.8rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--highlight);
  border-left: 4px solid var(--gold-deep);
}

.page-contact .ct-mast-note .ct-mono {
  font-weight: 700;
}

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

@media (min-width: 1000px) {
  .page-contact .ct-vert {
    display: block;
    position: absolute;
    right: 1.4rem;
    top: 58%;
    margin: 0;
    transform: rotate(90deg);
    transform-origin: center;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    color: var(--gold-deep);
    white-space: nowrap;
  }
}

/* ---------- 联系档案双栏 ---------- */
.page-contact .ct-cols {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-contact .ct-cols {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 2.6rem;
    align-items: start;
  }
}

.page-contact .ct-file {
  position: relative;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 4vw, 2.2rem);
}

.page-contact .ct-file-tab {
  display: inline-block;
  margin: 0 0 1.1rem;
  padding: 0.28rem 0.85rem;
  background: var(--ct-ink-green);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.page-contact .ct-file-tab--inverse {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .ct-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .ct-email {
  margin: 0.3rem 0 0.45rem;
  padding-bottom: 0.32em;
  font-family: var(--mono);
  font-size: clamp(1.2rem, 5.4vw, 2.45rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--ct-ink-green);
  word-break: break-all;
  border-bottom: 3px solid var(--gold);
  cursor: text;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .ct-hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ct-soft-ink-2);
}

.page-contact .ct-facts {
  margin: 1.5rem 0 0;
  border-top: 2px solid rgba(31, 42, 36, 0.22);
}

.page-contact .ct-fact {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-fact dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .ct-fact dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.65;
}

.page-contact .ct-selectable {
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .ct-file-foot {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--ct-hair);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ct-soft-ink);
}

.page-contact .ct-shot {
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(31, 42, 36, 0.14);
  width: 100%;
}

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

.page-contact .ct-col-b {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-col-b .margin-note {
  margin: 0;
}

/* ---------- 通用章节头 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: 0.85rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

@media (min-width: 760px) {
  .page-contact .ct-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.6rem;
    align-items: start;
  }
}

.page-contact .ct-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-contact .ct-head h2 {
  margin: 0 0 0.6rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.32;
  color: var(--ct-ink-green);
}

.page-contact .ct-head p {
  margin: 0;
  max-width: 64ch;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

/* ---------- 邮件通道 ---------- */
.page-contact .ct-metrics {
  list-style: none;
  margin: 0 0 1.8rem;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

@media (min-width: 780px) {
  .page-contact .ct-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

.page-contact .ct-metrics li {
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(31, 42, 36, 0.13);
  padding: 1.05rem 1.15rem 1.15rem;
}

.page-contact .ct-metric-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--brick);
}

.page-contact .ct-metric-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ct-soft-ink-2);
}

.page-contact .ct-details {
  background: var(--paper);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: 0.95rem 0;
}

.page-contact .ct-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ct-ink-green);
}

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

.page-contact .ct-details summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--brick);
}

.page-contact .ct-details[open] summary::after {
  content: "−";
}

.page-contact .ct-details-body {
  padding-top: 0.9rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

.page-contact .ct-details-body p {
  margin: 0 0 0.6rem;
}

.page-contact .ct-details-body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.page-contact .ct-details-body li {
  margin-bottom: 0.45rem;
}

.page-contact .ct-details-body li::marker {
  color: var(--gold-deep);
}

/* ---------- 回拨时间线 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.4rem;
  border-left: 2px solid var(--ink);
  display: grid;
  gap: 1.6rem;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: calc(-1.4rem - 8px);
  top: 0.4rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--brick);
}

.page-contact .ct-step-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-contact .ct-step h3 {
  margin: 0.3rem 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ct-ink-green);
}

.page-contact .ct-step p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

/* ---------- 咨询准备 ---------- */
.page-contact .ct-prepare-grid {
  display: grid;
  gap: 2.2rem;
}

@media (min-width: 920px) {
  .page-contact .ct-prepare-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.6rem;
    align-items: start;
  }
}

.page-contact .ct-prepare-side {
  display: grid;
  gap: 1.2rem;
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
  border-top: 2px solid var(--ink);
}

.page-contact .ct-list li {
  counter-increment: prep;
  position: relative;
  padding: 1.05rem 0 1.05rem 3rem;
  border-bottom: 1px dashed var(--ct-hair);
}

.page-contact .ct-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.15rem;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold-deep);
}

.page-contact .ct-list strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ct-ink-green);
  margin-bottom: 0.35rem;
}

.page-contact .ct-list p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ct-soft-ink);
}

.page-contact .ct-template {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-left: 6px solid var(--brick);
  box-shadow: 4px 4px 0 rgba(31, 42, 36, 0.13);
  padding: 1.05rem 1.15rem 1.15rem;
}

.page-contact .ct-template-head {
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--brick);
}

.page-contact .ct-template-body {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.page-contact .ct-template-foot {
  margin: 0.75rem 0 0;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--ct-hair);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--ct-soft-ink-2);
}

/* ---------- 合作与供稿 ---------- */
.page-contact .ct-partner-grid {
  display: grid;
  gap: 1.1rem;
}

@media (min-width: 880px) {
  .page-contact .ct-partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }
}

.page-contact .ct-partner {
  background: var(--paper-2);
  border: 2px solid var(--ink);
  border-top: 6px solid var(--gold);
  box-shadow: 4px 4px 0 rgba(31, 42, 36, 0.14);
  padding: 1.25rem 1.2rem 1.4rem;
}

.page-contact .ct-partner-tag {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-deep);
}

.page-contact .ct-partner h3 {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ct-ink-green);
}

.page-contact .ct-partner p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

/* ---------- 地址与邮寄 ---------- */
.page-contact .ct-address-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 880px) {
  .page-contact .ct-address-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 2rem;
    align-items: stretch;
  }
}

.page-contact .ct-address-card {
  background: var(--ct-ink-green);
  color: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow);
  padding: clamp(1.3rem, 4vw, 2.2rem);
}

.page-contact .ct-address-card h2 {
  margin: 0 0 0.8rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.95rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .ct-address-line {
  margin: 0 0 0.9rem;
  font-family: var(--mono);
  font-size: clamp(1rem, 2.6vw, 1.22rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--highlight);
  word-break: break-word;
}

.page-contact .ct-address-card p {
  line-height: 1.85;
  font-size: 0.94rem;
  color: rgba(247, 241, 227, 0.88);
}

.page-contact .ct-address-card p + p {
  margin-top: 0.8rem;
}

.page-contact .ct-address-note {
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(247, 241, 227, 0.4);
  font-size: 0.85rem !important;
  color: rgba(247, 241, 227, 0.74) !important;
}

.page-contact .ct-coords {
  display: grid;
  place-items: center;
  min-height: 200px;
  border: 2px dashed rgba(111, 122, 100, 0.75);
  background-color: var(--paper);
  background-image: radial-gradient(circle, rgba(201, 164, 92, 0.95) 1.4px, transparent 1.6px);
  background-size: 26px 26px;
  padding: 1.5rem;
}

.page-contact .ct-coords span {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 0.4rem 1rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.3em;
  color: var(--ct-ink-green);
}

/* ---------- 常见下一步 ---------- */
.page-contact .ct-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .ct-next-list li {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--ct-hair);
}

@media (min-width: 760px) {
  .page-contact .ct-next-list li {
    grid-template-columns: 12.5rem minmax(0, 1fr);
    gap: 1.6rem;
    align-items: baseline;
  }
}

.page-contact .ct-next-list a {
  justify-self: start;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ct-ink-green);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-next-list a:hover,
.page-contact .ct-next-list a:focus-visible {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

.page-contact .ct-next-list span {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

.page-contact .ct-next-tail {
  margin: 1.6rem 0 0;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--ct-soft-ink);
}

.page-contact .ct-back {
  margin: 1.8rem 0 0;
}

.page-contact .ct-back a {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--paper);
  background: var(--brick);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(31, 42, 36, 0.2);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .ct-back a:hover,
.page-contact .ct-back a:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(31, 42, 36, 0.24);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-next-list a,
  .page-contact .ct-back a {
    transition: none;
  }
  .page-contact .ct-back a:hover,
  .page-contact .ct-back a:focus-visible {
    transform: none;
  }
}