.page-contact {
  --ct-card-pad: 22px;
  background-color: var(--paper);
  overflow-x: hidden;
}

.page-contact .ct-hero {
  position: relative;
  padding-top: 10px;
  padding-bottom: 72px;
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(14, 27, 42, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 27, 42, 0.055) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 68%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  min-width: 0;
}

/* ---------- 首屏叙事 ---------- */

.page-contact .ct-head {
  min-width: 0;
}

.page-contact .ct-head .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
  margin: 0 0 12px;
}

.page-contact .ct-head h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-contact .ct-head .section-lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0;
  max-width: 42em;
}

/* ---------- 左侧固定联系卡 ---------- */

.page-contact .ct-rail {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--ink);
  background-image: linear-gradient(160deg, #13273c 0%, var(--ink) 55%, var(--console) 100%);
  border: 3px solid var(--ink);
  border-radius: 4px;
  padding: var(--ct-card-pad) 20px 24px;
  box-shadow: 8px 8px 0 rgba(0, 194, 209, 0.26);
}

.page-contact .ct-card__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin: 0 0 16px;
  padding: 5px 12px 5px 10px;
  border: 1px solid rgba(0, 194, 209, 0.42);
  border-radius: 999px;
  background: rgba(0, 194, 209, 0.07);
}

.page-contact .ct-card__status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 194, 209, 0.18);
  flex: 0 0 auto;
}

.page-contact .ct-card__title {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: #FFFFFF;
  margin: 0 0 12px;
}

.page-contact .ct-card__intro {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.72);
  margin: 0 0 22px;
}

.page-contact .ct-channel + .ct-channel {
  margin-top: 18px;
}

.page-contact .ct-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  text-align: left;
  padding: 15px 16px;
  background: rgba(0, 194, 209, 0.07);
  border: 2px solid rgba(0, 194, 209, 0.34);
  border-radius: 3px;
  color: #FFFFFF;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 194, 209, 0.15);
}

.page-contact .ct-copy[data-copied] {
  border-color: var(--green);
  background: rgba(31, 157, 106, 0.18);
}

.page-contact .ct-copy .copyfield__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ct-copy .copyfield__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  word-break: break-all;
}

.page-contact .ct-copy__hint {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.58);
  margin: 8px 0 0;
}

.page-contact .ct-shot {
  margin: 24px 0 0;
}

.page-contact .ct-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--ink);
  border-radius: 4px;
  background: var(--console);
}

.page-contact .ct-shot .media__cap {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-2);
  opacity: 0.75;
  margin-top: 10px;
}

/* ---------- 右侧说明区 ---------- */

.page-contact .ct-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.page-contact .ct-block {
  min-width: 0;
}

.page-contact .ct-block > h2 {
  font-family: var(--font-head);
  font-size: clamp(21px, 3.6vw, 28px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-contact .ct-block > p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0 0 20px;
  max-width: 44em;
}

/* 时间节奏 */

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

.page-contact .ct-clock li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .ct-clock__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
}

.page-contact .ct-clock__v {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* 标题模板 */

.page-contact .ct-code {
  background: var(--console);
  border: 2px solid var(--ink);
  border-radius: 4px;
  padding: 16px 18px;
  margin: 0 0 20px;
  overflow-x: auto;
}

.page-contact .ct-code__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .ct-samples {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .ct-sample {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  width: 100%;
  text-align: left;
  padding: 13px 16px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 3px;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .ct-sample:hover,
.page-contact .ct-sample:focus-visible {
  border-color: var(--ink);
  box-shadow: 5px 5px 0 rgba(14, 27, 42, 0.12);
}

.page-contact .ct-sample[data-copied] {
  border-color: var(--green);
  background: rgba(31, 157, 106, 0.08);
}

.page-contact .ct-sample code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-sample > span {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* 准备信息 */

.page-contact .ct-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-prep__item {
  background: var(--card);
  border: 2px solid var(--line);
  border-left: 6px solid var(--ink);
  border-radius: 3px;
  padding: 16px 18px;
  min-width: 0;
}

.page-contact .ct-prep__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet-deep);
  margin-bottom: 9px;
}

.page-contact .ct-prep__item h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 7px;
}

.page-contact .ct-prep__item p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-2);
  margin: 0;
}

/* 中部宽图 */

.page-contact .ct-shot-wide {
  margin: -8px 0 0;
}

.page-contact .ct-shot-wide img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--ink);
  border-radius: 4px;
  background: var(--console);
}

.page-contact .ct-shot-wide .media__cap {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-2);
  opacity: 0.78;
  margin-top: 10px;
}

/* 自助入口 */

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

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

.page-contact .ct-links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.18s ease, padding-left 0.18s ease;
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  background: rgba(0, 194, 209, 0.09);
  padding-left: 12px;
}

.page-contact .ct-links strong {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  flex: 0 0 auto;
}

.page-contact .ct-links span {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-2);
  flex: 1 1 16em;
  min-width: 0;
}

/* 地址与备案 */

.page-contact .ct-block--meta > h2 {
  font-size: clamp(18px, 2.8vw, 21px);
}

.page-contact .ct-meta {
  margin: 0;
  padding: 22px 0 0;
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-meta > div {
  min-width: 0;
}

.page-contact .ct-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  opacity: 0.62;
  margin-bottom: 6px;
}

.page-contact .ct-meta dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  word-break: break-word;
}

.page-contact .ct-meta dd code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 断点 ---------- */

@media (min-width: 600px) {
  .page-contact .ct-card {
    padding: 26px 26px 28px;
  }

  .page-contact .ct-clock li {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .ct-clock__k {
    flex: 0 0 auto;
    min-width: 6.6em;
  }

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

  .page-contact .ct-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding-bottom: 96px;
  }

  .page-contact .ct-layout {
    grid-template-columns: minmax(0, 4.4fr) minmax(0, 7.6fr);
    grid-template-areas:
      "rail head"
      "rail body";
    column-gap: clamp(28px, 4.2vw, 58px);
    row-gap: 44px;
    align-items: start;
  }

  .page-contact .ct-head {
    grid-area: head;
  }

  .page-contact .ct-rail {
    grid-area: rail;
  }

  .page-contact .ct-body {
    grid-area: body;
  }

  .page-contact .ct-card__title {
    font-size: 22px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-sample,
  .page-contact .ct-links a {
    transition: none;
  }
}