.page-contact {
  --ct-cut: 18px;
  --ct-hair: rgba(36, 69, 110, .9);
  background: var(--deep);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(36px, 5vw, 56px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: min(760px, 90vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(41, 224, 210, .16), rgba(41, 224, 210, 0) 62%);
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan-soft);
  text-decoration: underline;
}

.page-contact .ct-hero .display {
  position: relative;
  margin: 16px 0 22px;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .lede {
  max-width: 64ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 四栏合作方向 ---------- */
.page-contact .ct-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(34px, 5vw, 54px);
}

.page-contact .ct-dir {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 22px 32px;
  background: linear-gradient(180deg, var(--navy) 0%, rgba(20, 58, 102, .55) 100%);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
  transition: transform .24s var(--ease), filter .24s var(--ease);
}

.page-contact .ct-dir::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 46%, var(--orange) 46%, var(--orange) 100%);
}

.page-contact .ct-dir:hover {
  transform: translateY(-6px);
  filter: brightness(1.08);
}

.page-contact .ct-dir__no {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--orange-soft);
}

.page-contact .ct-dir h3 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .ct-dir__for {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.62;
  color: var(--cyan-soft);
}

.page-contact .ct-dir p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 48px);
  align-items: start;
}

.page-contact .ct-flow-figure {
  margin: 0;
  order: -1;
}

.page-contact .ct-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .ct-flow-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-flow {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-step {
  position: relative;
  padding: 26px 0 26px 80px;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 54px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line) 0%, rgba(36, 69, 110, 0) 96%);
}

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-ui);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-step__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-step__more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-step__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan);
}

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

.page-contact .ct-step__more summary::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--cyan-soft);
}

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

.page-contact .ct-step__more summary:hover {
  color: var(--cyan-soft);
}

.page-contact .ct-list {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .ct-list li::marker {
  color: var(--cyan);
}

/* ---------- 伙伴支持 ---------- */
.page-contact .ct-support {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-support__item {
  padding: 24px 22px 26px;
  background: rgba(20, 58, 102, .42);
  border-left: 3px solid var(--cyan);
}

.page-contact .ct-support__item:nth-child(2n) {
  border-left-color: var(--orange);
}

.page-contact .ct-support__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-support__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--mist);
}

/* ---------- 内容与媒体 ---------- */
.page-contact .ct-media .tabs {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .tabs__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-ui);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .tabs__panel p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 224, 210, .45);
  font-weight: 600;
}

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

/* ---------- 联系通道 ---------- */
.page-contact .ct-contact {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-contact .ct-contact .eyebrow {
  color: var(--deep);
}

.page-contact .ct-contact .h2 {
  color: var(--ink);
}

.page-contact .ct-contact .lede {
  color: var(--ink-soft);
}

.page-contact .ct-contact__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-contact__item {
  padding: 18px 20px 20px;
  background: #fff;
  border-left: 4px solid var(--cyan);
  box-shadow: 0 1px 0 rgba(14, 22, 34, .07);
}

.page-contact .ct-contact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-contact .ct-contact__value {
  display: block;
  font-family: var(--font-ui);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-contact__note {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--ink-soft);
}

.page-contact .ct-contact__sla {
  list-style: none;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(14, 22, 34, .14);
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-contact__sla .num {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

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

.page-contact .ct-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .ct-caption {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  margin-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-faq__list details {
  border-bottom: 1px solid var(--ct-hair);
  padding: 20px 0;
}

.page-contact .ct-faq__list summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: clamp(16px, 2vw, 17.5px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}

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

.page-contact .ct-faq__list summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-size: 22px;
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .ct-faq__list details[open] summary::after {
  content: "−";
}

.page-contact .ct-faq__list summary:hover {
  color: var(--cyan-soft);
}

.page-contact .ct-faq__answer {
  margin: 12px 0 0;
}

.page-contact .ct-faq__answer p {
  margin: 0;
  max-width: 72ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-faq__answer .ct-inline-link {
  font-weight: 600;
}

/* ---------- 尾部行动区 ---------- */
.page-contact .ct-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: clamp(32px, 5vw, 48px);
  padding: 28px 24px;
  background: linear-gradient(120deg, rgba(20, 58, 102, .7), rgba(7, 26, 51, .9));
  border-left: 4px solid var(--orange);
}

.page-contact .ct-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-cta strong {
  color: var(--cyan-soft);
  font-weight: 700;
  word-break: break-word;
}

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

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

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

  .page-contact .ct-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 30px 32px;
  }
}

@media (min-width: 768px) {
  .page-contact .ct-step {
    padding: 32px 0 32px 128px;
  }

  .page-contact .ct-step::before {
    left: 90px;
  }

  .page-contact .ct-step__num {
    top: 28px;
    font-size: 52px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-flow-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .95fr);
  }

  .page-contact .ct-flow-figure {
    order: 0;
    position: sticky;
    top: 96px;
  }

  .page-contact .ct-contact__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .95fr);
  }

  .page-contact .ct-contact__list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

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

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

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