.page-contact {
  --ct-ink-soft: #3a4c59;
  --ct-ink-mute: #5b6d7a;
  --ct-white: #ffffff;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--sans);
  line-height: 1.85;
}

.page-contact p {
  margin: 0;
}

.page-contact h1,
.page-contact h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-contact a {
  color: var(--deep);
}

.page-contact .ct-crumbbar {
  padding-top: 20px;
}

.page-contact .ct-mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ct-ink-mute);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(34px, 6vw, 78px) 0 clamp(30px, 5vw, 56px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 46%, var(--coral) 46%, var(--coral) 62%, var(--line) 62%, var(--line) 100%);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--deep);
  text-transform: uppercase;
}

.page-contact .ct-kicker-mark {
  width: 18px;
  height: 8px;
  background: var(--coral);
  display: inline-block;
}

.page-contact h1 {
  margin-top: 18px;
  font-size: clamp(40px, 8.6vw, 78px);
  color: var(--abyss);
}

.page-contact .ct-lead {
  margin-top: 22px;
  max-width: 34em;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  color: var(--ct-ink-soft);
}

.page-contact .ct-mail {
  margin-top: 30px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-mail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}

.page-contact .ct-mail-address {
  margin-top: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(19px, 3.5vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--deep);
  word-break: break-all;
}

.page-contact .ct-copy {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 7px 13px;
  border: 1px solid var(--deep);
  border-radius: 0;
  background: transparent;
  color: var(--deep);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--deep);
  color: var(--paper);
}

.page-contact .ct-copy[data-copied="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--abyss);
}

.page-contact .ct-copy--wide {
  margin-top: 16px;
  padding: 11px 20px;
  font-size: 12.5px;
}

/* ---------- 时段刻度 ---------- */
.page-contact .ct-clock {
  margin-top: 22px;
}

.page-contact .ct-clock-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 9px;
}

.page-contact .ct-clock-state {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--deep);
}

.page-contact .ct-clock-track {
  position: relative;
  height: 26px;
  background: var(--line);
  overflow: hidden;
}

.page-contact .ct-clock-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--hull) 100%);
}

.page-contact .ct-clock-track::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(6, 23, 38, 0.22) 0 1px, transparent 1px 10%);
  pointer-events: none;
}

.page-contact .ct-clock-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ct-ink-mute);
}

/* ---------- 图片 ---------- */
.page-contact .ct-figure {
  margin: 0;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-contact .ct-figure--small img {
  aspect-ratio: 10 / 7;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.page-contact .ct-figcap {
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ct-ink-mute);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  padding-top: clamp(46px, 7vw, 96px);
}

.page-contact .ct-sec-head {
  display: grid;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-sec-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--deep);
}

.page-contact h2 {
  font-size: clamp(25px, 4.2vw, 40px);
  color: var(--abyss);
}

.page-contact .ct-sec-lead {
  margin-top: 18px;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 16.5px);
  color: var(--ct-ink-soft);
}

/* ---------- 三条途径 ---------- */
.page-contact .ct-rows {
  margin-top: 32px;
  display: grid;
}

.page-contact .ct-row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-row-key {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 19px;
  color: var(--deep);
}

.page-contact .ct-row-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: none;
  background: var(--cyan);
  color: var(--abyss);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
}

.page-contact .ct-row-desc {
  font-size: 15px;
  color: var(--ct-ink-soft);
}

.page-contact .ct-row-val {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--deep);
  word-break: break-all;
}

/* ---------- 写信模板 ---------- */
.page-contact .ct-tpl {
  margin-top: 30px;
  padding: 4px clamp(14px, 3vw, 26px);
  border: 1px dashed var(--hull);
  background: rgba(255, 255, 255, 0.68);
  counter-reset: ct-tpl;
}

.page-contact .ct-tpl-row {
  position: relative;
  counter-increment: ct-tpl;
  display: grid;
  gap: 4px;
  padding: 16px 0 16px 34px;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-tpl-row:first-child {
  border-top: 0;
}

.page-contact .ct-tpl-row::before {
  content: counter(ct-tpl, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #93a3ae;
}

.page-contact .ct-tpl-key {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--graphite);
}

.page-contact .ct-dot {
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--coral);
}

.page-contact .ct-tpl-hint {
  font-size: 14px;
  color: var(--ct-ink-mute);
}

.page-contact .ct-tpl-val {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .ct-letter-wrap {
  margin-top: 26px;
}

.page-contact .ct-letter-label {
  margin-bottom: 10px;
}

.page-contact .ct-letter {
  margin: 0;
  padding: 18px 18px 18px 20px;
  border-left: 3px solid var(--hull);
  background: var(--ct-white);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--graphite);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: hidden;
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-rhythm {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-contact .ct-stats {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-stat-num {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 29px);
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .ct-stat-label {
  font-size: 13px;
  text-align: right;
  color: var(--ct-ink-mute);
}

.page-contact .ct-rhythm-note {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--ct-ink-soft);
  max-width: 36em;
}

.page-contact .ct-link-btn {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 18px;
  border: 1px solid var(--coral);
  background: var(--coral);
  color: var(--abyss);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.page-contact .ct-link-btn:hover,
.page-contact .ct-link-btn:focus-visible {
  background: transparent;
  color: var(--deep);
}

/* ---------- 常见来信 ---------- */
.page-contact .ct-faq {
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-faq summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 17px 36px 17px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 13px;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1.4;
  color: var(--coral);
}

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

.page-contact .ct-faq-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(16.5px, 2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .ct-faq-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  color: var(--deep);
  border: 1px solid var(--line);
}

.page-contact .ct-faq-body {
  padding: 0 0 20px;
  max-width: 62ch;
}

.page-contact .ct-faq-body p {
  font-size: 14.5px;
  color: var(--ct-ink-soft);
}

.page-contact .ct-faq-body p + p {
  margin-top: 10px;
}

/* ---------- 归属与备案 ---------- */
.page-contact .ct-origin {
  margin-top: clamp(52px, 8vw, 104px);
  padding: clamp(32px, 5vw, 62px) 0;
  background: var(--abyss);
  color: var(--mist);
}

.page-contact .ct-origin-grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-sec-num--light {
  color: var(--cyan);
}

.page-contact .ct-origin-title {
  margin-top: 12px;
  font-size: clamp(24px, 4vw, 38px);
  color: var(--paper);
}

.page-contact .ct-origin-text {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .ct-icp {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .ct-origin-sub {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(199, 211, 220, 0.72);
}

.page-contact .ct-origin-links {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-origin-links a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(47, 227, 210, 0.32);
  padding-bottom: 2px;
  transition: border-color 180ms ease, color 180ms ease;
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .ct-figure {
    margin-top: 12px;
  }

  .page-contact .ct-row {
    grid-template-columns: minmax(150px, 190px) minmax(0, 1fr) minmax(0, auto);
    gap: 6px 28px;
    align-items: start;
  }

  .page-contact .ct-row-val {
    justify-content: flex-end;
    text-align: right;
    max-width: 300px;
  }

  .page-contact .ct-tpl-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 6px 30px;
    align-items: start;
    padding-left: 44px;
  }

  .page-contact .ct-tpl-val {
    padding-top: 2px;
  }

  .page-contact .ct-rhythm {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(30px, 5vw, 64px);
  }

  .page-contact .ct-rhythm .ct-figure {
    margin-top: 24px;
  }

  .page-contact .ct-origin-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(30px, 6vw, 72px);
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-letter {
    padding: 22px 26px 22px 26px;
  }
}
<<<PAGE_CSS_END>>>