.page-contact {
  --ct-line: rgba(138, 151, 163, .35);
  --ct-panel-line: rgba(22, 217, 192, .16);
  background: var(--bone);
  color: var(--graphite);
}

.page-contact .ct-crumbwrap {
  padding-block: 20px 6px;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--bone);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: -45%;
  right: -14%;
  width: 62%;
  height: 190%;
  background: linear-gradient(150deg, rgba(11, 42, 74, .06), rgba(22, 217, 192, .13));
  transform: rotate(11deg);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  padding-block: 34px 46px;
}

.page-contact .ct-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 20ch;
}

.page-contact .ct-hero__lead {
  max-width: 52ch;
  color: var(--muted);
  margin: 0;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .ct-hero__panel {
  position: relative;
  overflow: hidden;
  padding: 28px 24px 30px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-dark) 100%);
  color: var(--on-ink);
}

.page-contact .ct-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--ct-panel-line) 0 1px, transparent 1px 22px);
}

.page-contact .ct-hero__panel::after {
  content: "";
  position: absolute;
  right: -32%;
  top: -25%;
  width: 72%;
  height: 145%;
  background: radial-gradient(closest-side, rgba(22, 217, 192, .24), transparent 72%);
  pointer-events: none;
}

.page-contact .ct-hero__panel > * {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-soft);
}

.page-contact .ct-hero__mail {
  margin: 8px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.6vw, 28px);
  font-weight: 600;
  letter-spacing: .02em;
  color: #F5F2EA;
  word-break: break-all;
}

.page-contact .ct-hero__panel-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-ink);
}

.page-contact .ct-hero__meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(22, 217, 192, .3);
  display: grid;
  gap: 10px;
}

.page-contact .ct-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--on-ink);
}

.page-contact .ct-hero__meta .ly-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: .02em;
}

/* ---------- 章节骨架 ---------- */

.page-contact .ct-sec {
  padding-block: 46px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-sec:first-of-type {
  border-top: 0;
}

.page-contact .ct-sec__grid {
  display: grid;
  gap: 20px;
}

.page-contact .ct-sec__body > .ly-h2,
.page-contact .ct-sec__body > h2 {
  margin: 0 0 14px;
  color: var(--ink);
}

.page-contact .ct-lead {
  max-width: 62ch;
  margin: 0 0 30px;
  color: var(--muted);
}

/* ---------- 01 渠道 ---------- */

.page-contact .ct-channels-wrap {
  position: relative;
  isolation: isolate;
}

.page-contact .ct-channels-wrap__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  opacity: .13;
  pointer-events: none;
}

.page-contact .ct-channels-wrap__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.55);
}

.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-channels__card {
  position: relative;
  padding: 24px 0 28px;
  border-top: 3px solid var(--stone);
}

.page-contact .ct-channels__card--mail { border-top-color: var(--clay); }
.page-contact .ct-channels__card--phone { border-top-color: var(--moss); }
.page-contact .ct-channels__card--addr { border-top-color: var(--cyan); }

.page-contact .ct-channels__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .ct-channels__card .ly-h3 {
  margin: 0;
  color: var(--ink);
}

.page-contact .ct-channels__value {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .ct-channels__desc {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .ct-channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-channels__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .ct-channels__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 02 合作方向 ---------- */

.page-contact .ct-deals {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .ct-deals__item {
  padding-top: 22px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-deals__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  border: 1px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
}

.page-contact .ct-deals__item .ly-h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-contact .ct-deals__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .ct-deals__desc a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-contact .ct-deals__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ct-line);
}

.page-contact .ct-deals__meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 4px;
}

.page-contact .ct-deals__meta dd {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--graphite);
}

.page-contact .ct-deals__meta dd:last-child {
  margin-bottom: 0;
}

/* ---------- 03 纠错清单 ---------- */

.page-contact .ct-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-checklist li:first-child {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-checklist__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.page-contact .ct-checklist strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .ct-checklist p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 04 流程 ---------- */

.page-contact .ct-process {
  display: grid;
  gap: 36px;
}

.page-contact .ct-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-flow__item {
  position: relative;
  padding: 30px 20px 16px 0;
}

.page-contact .ct-flow__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--line-cyan);
}

.page-contact .ct-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border: 1px solid var(--cyan);
  background: var(--bone);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .ct-flow__item .ly-h3 {
  margin: 0 0 8px;
  color: var(--ink);
}

.page-contact .ct-flow__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-contact .ct-process__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 3px solid var(--ink);
}

.page-contact .ct-process__media figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
}

/* ---------- 05 常见问题 ---------- */

.page-contact .ct-faq {
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .ct-faq__q {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 44px 18px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-contact .ct-faq__q::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-contact .ct-faq__item[open] .ct-faq__q::after {
  transform: translateY(-30%) rotate(-135deg);
}

.page-contact .ct-faq__a {
  margin: 0;
  padding: 0 44px 20px 0;
  max-width: 72ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-faq__a a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

/* ---------- 结尾动作区 ---------- */

.page-contact .ct-cta {
  position: relative;
  overflow: hidden;
  margin-top: 46px;
  background: linear-gradient(120deg, var(--ink) 0%, var(--ink-dark) 100%);
  color: var(--on-ink);
}

.page-contact .ct-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--ct-panel-line) 0 1px, transparent 1px 26px);
}

.page-contact .ct-cta::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -65%;
  width: 52%;
  height: 155%;
  background: radial-gradient(closest-side, rgba(255, 122, 61, .2), transparent 70%);
  pointer-events: none;
}

.page-contact .ct-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  padding-block: 50px 54px;
}

.page-contact .ct-cta__title {
  margin: 0 0 12px;
  color: #F5F2EA;
  max-width: 24ch;
}

.page-contact .ct-cta__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--on-ink);
}

.page-contact .ct-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
}

/* ---------- 焦点可见性 ---------- */

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-channels__card {
    padding-right: 24px;
  }

  .page-contact .ct-deals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }

  .page-contact .ct-checklist li {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (min-width: 820px) {
  .page-contact .ly-section.ct-sec {
    padding-block: 62px;
  }

  .page-contact .ct-sec__grid {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 44px;
  }

  .page-contact .ct-channels {
    grid-template-columns: 5fr 4fr 3fr;
  }

  .page-contact .ct-channels__card {
    padding: 26px 26px 22px 0;
  }

  .page-contact .ct-channels__card + .ct-channels__card {
    border-left: 1px solid var(--ct-line);
    padding-left: 26px;
  }

  .page-contact .ct-channels__card:last-child {
    padding-right: 0;
  }

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

  .page-contact .ct-deals__item {
    padding: 24px 26px 0 0;
  }

  .page-contact .ct-deals__item + .ct-deals__item {
    border-left: 1px solid var(--ct-line);
    padding-left: 26px;
  }

  .page-contact .ct-deals__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-flow__item {
    padding: 34px 20px 10px 0;
  }

  .page-contact .ct-flow__item + .ct-flow__item::after {
    content: "";
    position: absolute;
    left: -20px;
    top: 10px;
    width: 34px;
    height: 1px;
    background: var(--cyan);
    transform: rotate(-42deg);
    transform-origin: left center;
  }

  .page-contact .ct-process {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
    padding-block: 62px 74px;
  }

  .page-contact .ct-hero__panel {
    padding: 38px 34px 40px 52px;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 9% 100%);
  }

  .page-contact .ct-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
    padding-block: 62px 66px;
  }
}