.page-contact {
  --ct-dark: #071A16;
  --ct-on-sand: #071A16;
  --ct-hair: rgba(47, 79, 73, 0.5);
  --ct-grid: rgba(47, 79, 73, 0.22);
  --ct-sand-line: rgba(7, 26, 22, 0.18);
  --ct-sand-mute: rgba(7, 26, 22, 0.66);
}

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 26px 0 44px;
  border-bottom: 1px solid var(--ct-hair);
  background-image:
    repeating-linear-gradient(to right, var(--ct-grid) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(to bottom, var(--ct-grid) 0 1px, transparent 1px 68px);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: 28px;
}

.page-contact .ct-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 7.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-hero__lede {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: var(--fz-body);
  line-height: 1.78;
  color: var(--mist);
}

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

.page-contact .ct-hero__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .ct-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .ct-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ct-hair);
  aspect-ratio: 1400 / 650;
}

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

/* ---------- 章节跳转 ---------- */
.page-contact .ct-jump {
  background: var(--ink-800);
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-jump__inner {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 14px 12px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-jump__link:hover,
.page-contact .ct-jump__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.page-contact .ct-jump__no {
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-section__head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-contact .ct-section__no {
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .ct-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-section__desc {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fz-body);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 联系信息面板 ---------- */
.page-contact .ct-contact {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4vw, 44px);
  background: var(--sand);
  border: 1px solid var(--amber);
}

.page-contact .ct-contact__key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ct-sand-mute);
}

.page-contact .ct-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 4.4vw, 30px);
  line-height: 1.28;
  color: var(--ct-on-sand);
  word-break: break-word;
}

.page-contact .ct-contact__value--sm {
  font-size: clamp(15px, 2.6vw, 19px);
  font-weight: 600;
  line-height: 1.6;
}

.page-contact address.ct-contact__value {
  font-style: normal;
}

.page-contact .ct-contact__note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--ct-sand-line);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(7, 26, 22, 0.84);
}

/* ---------- 咨询主题 ---------- */
.page-contact .ct-topics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ct-hair);
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-topic {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  transition: background 0.3s var(--ease);
}

.page-contact .ct-topic:hover,
.page-contact .ct-topic:focus-within {
  background: var(--ink-700);
}

.page-contact .ct-topic__no {
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .ct-topic__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-topic__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-topic__more {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan);
}

/* ---------- 纠错流程 ---------- */
.page-contact .ct-correct__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-correct__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ct-hair);
  background: var(--ink-700);
  aspect-ratio: 1000 / 600;
}

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

.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  margin-left: 15px;
  padding: 0 0 26px 40px;
  border-left: 1px solid var(--line);
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .ct-step__no {
  position: absolute;
  left: -16px;
  top: -2px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-contact .ct-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-step__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-step__more {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--ct-hair);
}

.page-contact .ct-step__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

.page-contact .ct-step__more summary::before {
  content: "+ ";
}

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

.page-contact .ct-step__more p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 服务范围 ---------- */
.page-contact .ct-section--scope {
  background: linear-gradient(180deg, rgba(36, 27, 74, 0.94), rgba(7, 26, 22, 0.96));
}

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

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

.page-contact .ct-scope__facts li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-scope__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--violet);
}

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

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

.page-contact .ct-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  font-size: 15px;
  color: var(--white);
  text-decoration: none;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

.page-contact .ct-links__meta {
  font-family: var(--font-mono);
  font-size: var(--fz-index);
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 结尾行动条 ---------- */
.page-contact .ct-cta {
  padding: 40px 0 56px;
}

.page-contact .ct-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  background: var(--ink-700);
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .ct-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 44px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 48px 0 72px;
  }

  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 46px;
    align-items: center;
  }

  .page-contact .ct-section {
    padding: 72px 0;
  }

  .page-contact .ct-scope__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-correct__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 桌面端用悬停展开咨询要点，触屏默认完整可读 */
@media (hover: hover) and (min-width: 760px) {
  .page-contact .ct-topic__more {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease), opacity 0.35s var(--ease), margin-top 0.35s var(--ease);
  }

  .page-contact .ct-topic:hover .ct-topic__more,
  .page-contact .ct-topic:focus-within .ct-topic__more {
    max-height: 10em;
    margin-top: 6px;
    opacity: 1;
  }
}

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