/* ===== 联系与支持页 · page-contact ===== */

.page-contact .ct-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) + 8px);
  padding: 34px 0 46px;
  border-bottom: var(--frame) solid var(--line-700);
}

.page-contact .ct-hero__lead {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-hero__lead .lede {
  margin: 0;
  max-width: 44ch;
  color: var(--mist-300);
}

.page-contact .ct-hero__card {
  border: var(--frame) solid var(--line-700);
  border-top: 4px solid var(--cyan-500);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: 22px 20px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-hero__cardtitle {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan-500);
}

.page-contact .ct-line {
  display: grid;
  gap: 4px;
}

.page-contact .ct-line + .ct-line {
  padding-top: 14px;
  border-top: 1px dashed var(--line-700);
}

.page-contact .ct-line__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-300);
}

.page-contact .ct-line__val {
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-contact .ct-hero__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-700);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ===== 渠道区 ===== */

.page-contact .ct-channels {
  padding: 48px 0 8px;
}

.page-contact .ct-channels__figure {
  margin: 26px 0 34px;
  border: var(--frame) solid var(--line-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  position: relative;
}

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

.page-contact .ct-channels__figure .media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 2px solid var(--line-700);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
  background: var(--ink-900);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) + 8px);
}

.page-contact .ct-channel {
  border: var(--frame) solid var(--line-700);
  border-top-width: 4px;
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: 20px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-contact .ct-channel--phone { border-top-color: var(--cyan-500); }
.page-contact .ct-channel--mail { border-top-color: var(--ember-500); }
.page-contact .ct-channel--form { border-top-color: var(--violet); }

.page-contact .ct-channel__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .ct-channel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .ct-channel__value {
  margin: 0;
  padding: 9px 12px;
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--cyan-500);
  background: rgba(47, 224, 208, .08);
  border-left: 3px solid var(--cyan-500);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--mail .ct-channel__value {
  color: var(--ember-300);
  background: rgba(255, 138, 61, .09);
  border-left-color: var(--ember-500);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-contact .ct-channel__list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px dashed var(--line-700);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 6px;
  height: 6px;
  background: var(--cyan-700);
}

.page-contact .ct-channel--mail .ct-channel__list li::before { background: var(--ember-500); }
.page-contact .ct-channel--form .ct-channel__list li::before { background: var(--violet); }

/* ===== 双栏主体区 ===== */

.page-contact .ct-body {
  padding: 56px 0 8px;
}

.page-contact .ct-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) + 10px);
}

.page-contact .ct-col {
  display: grid;
  gap: calc(var(--gap) + 10px);
  align-content: start;
}

.page-contact .ct-priority {
  padding: 24px 20px;
  display: grid;
  gap: 14px;
  border-left: 4px solid var(--ember-500);
}

.page-contact .ct-priority .section-title,
.page-contact .ct-checklist .section-title,
.page-contact .ct-steps .section-title {
  margin: 0;
}

.page-contact .ct-priority__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-300);
}

.page-contact .ct-priority__subject {
  margin: 0;
  padding: 13px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--amber-400);
  background: rgba(255, 209, 102, .08);
  border: 1px dashed var(--line-700);
  overflow-wrap: anywhere;
}

.page-contact .ct-priority__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
}

.page-contact .ct-priority__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .ct-priority__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 2px;
  background: var(--ember-500);
}

/* 准备清单 */

.page-contact .ct-checklist {
  padding: 24px 20px;
}

.page-contact .ct-checklist__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-contact .ct-checklist__item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-300);
}

.page-contact .ct-checklist__box {
  display: block;
  width: 16px;
  height: 16px;
  margin-top: .36em;
  border: 2px solid var(--cyan-700);
  background: transparent;
}

.page-contact .ct-checklist__box::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin: 3px;
  background: var(--cyan-500);
  opacity: .55;
}

/* 三步流程 */

.page-contact .ct-steps {
  padding: 24px 20px;
  border: var(--frame) solid var(--line-700);
  border-left: 4px solid var(--cyan-500);
  background: var(--ink-800);
  display: grid;
  gap: 14px;
}

.page-contact .ct-steps__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-300);
}

.page-contact .ct-steps__list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 28px 46px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 34px;
  bottom: 0;
  border-left: 2px dashed var(--line-700);
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 2px solid var(--cyan-500);
  background: var(--ink-900);
  color: var(--cyan-500);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .ct-step__title {
  margin: 3px 0 6px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-300);
}

.page-contact .ct-steps__figure {
  margin: 0;
  border: var(--frame) solid var(--line-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-contact .ct-steps__figure .media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 2px solid var(--line-700);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
  background: var(--ink-900);
}

/* ===== 服务说明 ===== */

.page-contact .ct-ops {
  padding: 56px 0 8px;
}

.page-contact .ct-ops__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 26px;
}

.page-contact .ct-ops__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding-top: 16px;
  border-top: 2px solid var(--line-700);
}

.page-contact .ct-ops__key {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan-500);
}

.page-contact .ct-ops__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-100);
}

/* ===== 快捷入口 ===== */

.page-contact .ct-links {
  padding: 56px 0 8px;
}

.page-contact .ct-links__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(238px, 1fr));
  gap: calc(var(--gap) + 8px);
  margin-top: 26px;
}

.page-contact .ct-link {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px;
  border: var(--frame) solid var(--line-700);
  border-bottom: 4px solid var(--line-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  color: var(--paper-100);
  text-decoration: none;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease), color 240ms var(--ease);
}

.page-contact .ct-link .index-num {
  color: var(--cyan-700);
  transition: color 240ms var(--ease);
}

.page-contact .ct-link__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .ct-link__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-300);
}

/* ===== 收尾 ===== */

.page-contact .ct-outro {
  margin: 44px 0 0;
  padding: 20px 0 0;
  border-top: 2px solid var(--line-700);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-300);
  max-width: 60ch;
}

/* ===== 交互增强 ===== */

@media (hover: hover) {
  .page-contact .ct-channel:hover,
  .page-contact .ct-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hard-lg);
  }

  .page-contact .ct-link:hover {
    border-color: var(--cyan-500);
    border-bottom-color: var(--ember-500);
  }

  .page-contact .ct-link:hover .index-num {
    color: var(--ember-500);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-link {
    transition: none;
  }

  .page-contact .ct-channel:hover,
  .page-contact .ct-link:hover {
    transform: none;
  }
}

/* ===== 响应式 ===== */

@media (min-width: 620px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-contact .ct-hero__card {
    padding: 26px 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
    padding: 44px 0 56px;
  }

  .page-contact .ct-hero__lead {
    padding-top: 6px;
  }

  .page-contact .ct-channels {
    padding-top: 60px;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-body__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
  }

  .page-contact .ct-ops__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .page-contact .ct-links__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .page-contact .ct-ops,
  .page-contact .ct-links {
    padding-top: 68px;
  }

  .page-contact .ct-outro {
    margin-top: 52px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 72px;
  }

  .page-contact .ct-hero__card {
    padding: 28px 26px;
  }
}