.page-contact {
  --ct-line: rgba(11, 30, 45, 0.16);
  --ct-line-dark: rgba(241, 233, 216, 0.24);
  background: var(--paper-cream);
  color: var(--ink-navy);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-navy);
  color: var(--paper-cream);
  padding: clamp(22px, 5vw, 52px) 0 clamp(38px, 6vw, 76px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-8deg, rgba(25, 245, 192, 0.07) 0 2px, transparent 2px 52px);
  pointer-events: none;
}

.page-contact .ct-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream-70);
  margin-bottom: clamp(18px, 3.5vw, 34px);
}

.page-contact .ct-hero .breadcrumbs a {
  color: var(--cream-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-hero .breadcrumbs a:hover,
.page-contact .ct-hero .breadcrumbs a:focus-visible {
  color: var(--pitch-cyan);
  border-bottom-color: var(--pitch-cyan);
}

.page-contact .ct-hero .eyebrow {
  color: var(--pitch-cyan);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--paper-cream);
}

.page-contact .ct-hero-lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--cream-80);
}

/* 盖章式联系卡 */
.page-contact .ct-stamps {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .ct-stamp {
  position: relative;
  padding: 14px 15px 16px;
  background: var(--slate-blue);
  border: 2px solid var(--ct-line-dark);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(7, 21, 34, 0.55);
  transform: rotate(-1.2deg);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-stamp:nth-child(2) {
  transform: rotate(0.9deg);
  border-style: dashed;
}

.page-contact .ct-stamp:nth-child(3) {
  transform: rotate(-0.4deg);
}

.page-contact .ct-stamp:hover {
  transform: rotate(0deg);
  border-color: var(--pitch-cyan);
}

.page-contact .ct-stamp-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pitch-cyan);
}

.page-contact .ct-stamp-v {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
  color: var(--paper-cream);
}

.page-contact .ct-stamp-v a {
  color: var(--paper-cream);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-stamp-v a:hover,
.page-contact .ct-stamp-v a:focus-visible {
  color: var(--pitch-cyan);
  border-bottom-color: var(--pitch-cyan);
}

.page-contact .ct-stamp-n {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--cream-70);
}

.page-contact .ct-hero-figure {
  margin: 0;
}

.page-contact .ct-hero-figure img {
  display: block;
  width: 100%;
  border: 2px solid rgba(25, 245, 192, 0.35);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-contact .ct-hero-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--cream-55);
}

/* ---------- 纸面阅读区 ---------- */
.page-contact .ct-paper {
  background: var(--paper-cream);
  padding: clamp(38px, 6vw, 82px) 0 clamp(38px, 6vw, 76px);
}

.page-contact .ct-block {
  padding-bottom: clamp(34px, 5vw, 62px);
}

.page-contact .ct-block:last-child {
  padding-bottom: 0;
}

.page-contact .ct-head {
  max-width: 66ch;
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .ct-head .eyebrow {
  color: var(--clay);
}

.page-contact .ct-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
}

.page-contact .ct-head p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate-blue);
}

/* 渠道对照 */
.page-contact .ct-table {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-navy);
}

.page-contact .ct-row {
  display: grid;
  gap: 8px;
  padding: 18px 2px;
  border-bottom: 1px dashed var(--ct-line);
}

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

.page-contact .ct-ch {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-ch-name {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-contact .ct-ch-val {
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-contact .ct-use {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-blue);
}

.page-contact .ct-when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-navy);
  border-left: 3px solid var(--amber);
  padding-left: 10px;
}

/* 常问方向 */
.page-contact .ct-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-navy);
}

.page-contact .ct-topic {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-topic-no {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--clay);
  border-bottom: 2px solid var(--ct-line);
  padding-bottom: 6px;
  width: fit-content;
}

.page-contact .ct-topic-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-contact .ct-topic-body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-blue);
}

.page-contact .ct-topic-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-navy);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-topic-link:hover,
.page-contact .ct-topic-link:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--amber);
}

/* 留言板 */
.page-contact .ct-board .ct-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .ct-board-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-contact .ct-board-figure {
  margin: 0;
  background: rgba(255, 255, 255, 0.4);
  border: 2px solid var(--ct-line);
  box-shadow: 8px 8px 0 rgba(11, 30, 45, 0.08);
  padding: 10px;
}

.page-contact .ct-board-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-contact .ct-board-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--rock-gray);
}

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

.page-contact .ct-field {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--mist-cyan);
  border-left: 3px solid var(--slate-blue);
}

.page-contact .ct-field-k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate-blue);
}

.page-contact .ct-field-v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-navy);
}

/* 折叠说明 */
.page-contact .ct-details {
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.45);
  border: 2px solid var(--ct-line);
}

.page-contact .ct-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  list-style: none;
  transition: background 0.2s var(--ease);
}

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

.page-contact .ct-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--clay);
}

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

.page-contact .ct-details summary:hover {
  background: rgba(184, 107, 75, 0.08);
}

.page-contact .ct-details-body {
  padding: 0 15px 15px;
  border-top: 1px dashed var(--ct-line);
}

.page-contact .ct-details-body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-blue);
}

.page-contact .ct-details--wide {
  margin-top: 20px;
}

/* 处理流程 */
.page-contact .ct-flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line-blue);
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 24px 4px;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--amber);
  border: 2px solid var(--paper-cream);
}

.page-contact .ct-step-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-contact .ct-step h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
}

.page-contact .ct-step p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate-blue);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-meta {
  background: var(--slate-blue);
  color: var(--paper-cream);
  padding: clamp(30px, 5vw, 62px) 0 clamp(34px, 5vw, 62px);
  border-top: 4px solid var(--ink-navy);
}

.page-contact .ct-meta-grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .ct-meta .eyebrow {
  color: var(--pitch-cyan);
}

.page-contact .ct-meta h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 10px 0 20px;
  color: var(--paper-cream);
}

.page-contact .ct-meta-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-meta-item {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--ct-line-dark);
}

.page-contact .ct-meta-item dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cream-70);
}

.page-contact .ct-meta-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
  color: var(--paper-cream);
}

.page-contact .ct-meta-side p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream-80);
}

.page-contact .ct-meta-link {
  display: block;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper-cream);
  text-decoration: none;
  border-top: 1px solid var(--ct-line-dark);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

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

.page-contact .ct-meta-link:hover,
.page-contact .ct-meta-link:focus-visible {
  color: var(--pitch-cyan);
  padding-left: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-stamps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-row-head {
    display: grid;
    grid-template-columns: 1.05fr 2fr 1.05fr;
    gap: 20px;
    padding: 10px 2px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.14em;
    color: var(--rock-gray);
    border-bottom: 1px solid var(--ct-line);
  }

  .page-contact .ct-row {
    grid-template-columns: 1.05fr 2fr 1.05fr;
    gap: 20px;
    align-items: start;
    padding: 18px 2px;
  }

  .page-contact .ct-ch {
    flex-direction: column;
    gap: 4px;
  }

  .page-contact .ct-topic {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 6px 18px;
    align-items: start;
    padding: 22px 0;
  }

  .page-contact .ct-topic-no {
    border-bottom: none;
    padding-bottom: 0;
    font-size: 22px;
  }

  .page-contact .ct-topic-link {
    grid-column: 2;
  }

  .page-contact .ct-field {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

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

  .page-contact .ct-topic {
    grid-template-columns: 72px minmax(0, 1fr) 168px;
    gap: 6px 22px;
  }

  .page-contact .ct-topic-link {
    grid-column: 3;
    justify-self: end;
    text-align: right;
    margin-top: 4px;
  }

  .page-contact .ct-flow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
    border-left: none;
    padding-left: 0;
    border-top: 2px solid var(--ink-navy);
    padding-top: 22px;
  }

  .page-contact .ct-step {
    padding: 0 0 24px 0;
  }

  .page-contact .ct-step::before {
    position: static;
    display: block;
    margin-bottom: 10px;
  }

  .page-contact .ct-meta-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-board-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-stamp,
  .page-contact .ct-meta-link,
  .page-contact .ct-topic-link,
  .page-contact .ct-stamp-v a {
    transition: none;
  }

  .page-contact .ct-stamp,
  .page-contact .ct-stamp:nth-child(2),
  .page-contact .ct-stamp:nth-child(3) {
    transform: none;
  }
}