.page-contact {
  --ct-aside-w: 340px;
  padding-bottom: 8px;
}

.page-contact .ct-crumb {
  padding-top: 28px;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver);
}

.page-contact .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--lime);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-top: 44px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 88px;
  height: 1px;
  background: var(--lime);
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  line-height: 0.94;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.page-contact .ct-hero__accent {
  color: var(--lime);
}

.page-contact .ct-hero__foot {
  margin-top: 30px;
  display: grid;
  gap: 26px;
}

.page-contact .ct-hero__lead {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-hero__facts li {
  background: var(--char);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .ct-hero__facts .num {
  font-family: var(--font-num);
  font-size: 28px;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__facts .index {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

/* ---------- 主体两栏 ---------- */
.page-contact .ct-main {
  padding-top: 52px;
  padding-bottom: 56px;
  display: grid;
  gap: 40px;
}

.page-contact .ct-main__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

/* 玻璃资料卡 */
.page-contact .ct-card {
  position: relative;
  padding: 26px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(199, 255, 60, 0.07), rgba(43, 224, 200, 0.04) 42%, rgba(20, 24, 29, 0.92));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-contact .ct-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ct-mail {
  display: block;
  margin-top: 12px;
  padding-bottom: 8px;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--mist);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--lime);
  transition: color 0.16s var(--ease);
}

.page-contact .ct-mail:hover,
.page-contact .ct-mail:focus-visible {
  color: var(--lime);
}

.page-contact .ct-card__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-data {
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-data__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-data__row:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.page-contact .ct-data__row dt {
  color: var(--silver);
}

.page-contact .ct-data__row dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .ct-data__row dd.num {
  font-family: var(--font-num);
  letter-spacing: 0.05em;
}

.page-contact .ct-data__row dd a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-contact .ct-data__row dd a:hover,
.page-contact .ct-data__row dd a:focus-visible {
  color: var(--lime);
}

/* 快捷入口 */
.page-contact .ct-quick {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--char);
}

.page-contact .ct-quick__text {
  margin: 10px 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-quick .btn {
  display: block;
  text-align: center;
}

.page-contact .ct-quick .btn + .btn {
  margin-top: 10px;
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-flow__media {
  margin: 22px 0 34px;
}

.page-contact .ct-flow__media img,
.page-contact .ct-partner__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.9) contrast(1.05);
}

.page-contact .ct-flow__media .media__tag {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line);
}

.page-contact .ct-step {
  position: relative;
  padding-bottom: 30px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--pulse);
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .ct-step:hover::before {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .ct-step__no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-contact .ct-step .h3 {
  margin: 0 0 8px;
  color: var(--mist);
}

.page-contact .ct-step p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 反馈材料清单 ---------- */
.page-contact .ct-brief__grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-brief__item {
  background: var(--char);
  padding: 24px 20px;
  transition: background 0.16s var(--ease);
}

.page-contact .ct-brief__item:hover {
  background: var(--steel);
}

.page-contact .ct-brief__no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .ct-brief__item .h3 {
  margin: 12px 0 8px;
  color: var(--mist);
}

.page-contact .ct-brief__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .ct-brief__tail {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--pulse);
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-brief__tail a,
.page-contact .ct-fix .prose a,
.page-contact .ct-faq__tail a {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-underline-offset: 3px;
  transition: color 0.16s var(--ease);
}

.page-contact .ct-brief__tail a:hover,
.page-contact .ct-fix .prose a:hover,
.page-contact .ct-faq__tail a:hover {
  color: var(--lime);
}

/* ---------- 内容纠错 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  gap: 32px;
}

.page-contact .ct-fix__grid .h2 {
  margin: 12px 0 18px;
}

.page-contact .ct-fix__grid .prose {
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-fix__list {
  align-self: start;
}

.page-contact .ct-fix__row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-fix__row .num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--pulse);
  padding-top: 4px;
}

.page-contact .ct-fix__row .h3 {
  margin: 0 0 6px;
  color: var(--mist);
}

.page-contact .ct-fix__row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 合作与线下活动 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: 28px;
}

.page-contact .ct-partner__media {
  margin: 0;
}

.page-contact .ct-partner__body .h2 {
  margin: 12px 0 18px;
}

.page-contact .ct-partner__body .prose {
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-partner__tags {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-partner__tags .chip {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  background: rgba(31, 37, 43, 0.6);
}

/* ---------- 高频问题 ---------- */
.page-contact .ct-faq__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-faq__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 16px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-contact .ct-faq__list a:hover,
.page-contact .ct-faq__list a:focus-visible {
  color: var(--lime);
  padding-left: 12px;
}

.page-contact .ct-faq__arrow {
  color: var(--lime);
  font-family: var(--font-num);
}

.page-contact .ct-faq__tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-hero {
    padding-top: 56px;
    padding-bottom: 48px;
  }

  .page-contact .ct-hero__facts li {
    padding: 18px 16px;
  }

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

@media (min-width: 880px) {
  .page-contact .ct-hero__foot {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    align-items: end;
    gap: 48px;
  }

  .page-contact .ct-fix__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .ct-partner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 52px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-main {
    grid-template-columns: var(--ct-aside-w) minmax(0, 1fr);
    gap: 60px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-contact .ct-main__aside {
    position: sticky;
    top: 28px;
  }

  .page-contact .ct-steps {
    padding-left: 30px;
  }

  .page-contact .ct-step::before {
    left: -35px;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-brief__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-brief__item {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-step::before,
  .page-contact .ct-brief__item,
  .page-contact .ct-faq__list a {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}