.page-contact {
  --cx-soft: var(--line-soft);
  --cx-blue: var(--ink-700);
  position: relative;
  color: var(--paper);
}

/* ===== Hero ===== */
.page-contact .cx-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 4vw, 36px) 0 clamp(40px, 7vw, 88px);
}

.page-contact .cx-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 130%;
  background:
    radial-gradient(58% 48% at 12% 4%, rgba(34, 224, 214, 0.16), transparent 70%),
    radial-gradient(46% 46% at 92% 12%, rgba(138, 92, 246, 0.2), transparent 72%);
  pointer-events: none;
}

.page-contact .cx-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .cx-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 12px;
}

.page-contact .headline {
  margin: 10px 0 0;
}

.page-contact .lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 46ch;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .cx-status {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--cx-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-contact .cx-status li {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}

.page-contact .cx-status li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(34, 224, 214, 0.9);
}

.page-contact .cx-status li:nth-child(3)::before {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255, 90, 43, 0.9);
}

.page-contact .cx-status strong {
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-contact .cx-hero__media {
  margin: 0;
}

/* ===== 通用小标题组 ===== */
.page-contact .cx-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-contact .cx-head__note {
  margin: 0;
  max-width: 58ch;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== 合作类型选择器 ===== */
.page-contact .cx-switch {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .cx-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .cx-card {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--cx-soft);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(19, 28, 51, 0.92), rgba(7, 11, 24, 0.96));
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .cx-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-contact .cx-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-contact .cx-card:hover::after,
.page-contact .cx-radio:checked + .cx-card::after {
  opacity: 1;
}

.page-contact .cx-radio:checked + .cx-card {
  border-color: var(--cyan);
  background: linear-gradient(160deg, rgba(34, 224, 214, 0.12), rgba(10, 15, 30, 0.96) 62%);
  box-shadow: 0 0 0 1px rgba(34, 224, 214, 0.32), 0 22px 46px -30px rgba(34, 224, 214, 0.85);
}

.page-contact .cx-radio:focus-visible + .cx-card {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .cx-card__idx {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-contact .cx-radio:checked + .cx-card .cx-card__idx {
  color: var(--cyan);
}

.page-contact .cx-card__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .cx-card__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .cx-hint {
  display: none;
  grid-column: 1 / -1;
  padding: 20px 20px 18px;
  border: 1px solid var(--cx-soft);
  border-left: 2px solid var(--violet);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(13, 20, 38, 0.72);
}

.page-contact #cx-k1:checked ~ .cx-hint--1,
.page-contact #cx-k2:checked ~ .cx-hint--2,
.page-contact #cx-k3:checked ~ .cx-hint--3,
.page-contact #cx-k4:checked ~ .cx-hint--4 {
  display: block;
}

.page-contact .cx-hint__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-contact .cx-hint__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .cx-hint__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

.page-contact .cx-hint__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--cx-soft);
  font-size: 13.5px;
  color: var(--mute);
  word-break: break-word;
}

.page-contact .cx-hint__foot .mono {
  color: var(--white);
  font-size: 13px;
}

/* ===== 直接联系 ===== */
.page-contact .cx-direct {
  border-top: 1px solid var(--cx-soft);
  background: linear-gradient(180deg, rgba(13, 20, 38, 0.6), rgba(7, 11, 24, 0) 78%);
}

.page-contact .cx-direct__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

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

.page-contact .cx-contact li {
  display: grid;
  gap: 6px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--cx-soft);
}

.page-contact .cx-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .cx-contact__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.8vw, 24px);
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}

.page-contact .cx-contact__value--text {
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.65;
  font-weight: 500;
}

.page-contact .cx-contact__meta {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
  max-width: 52ch;
}

.page-contact .cx-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 176, 32, 0.34);
  border-radius: var(--r-md);
  background: rgba(255, 176, 32, 0.08);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .cx-direct__media {
  margin: 0;
  position: relative;
}

.page-contact .cx-direct__cap {
  display: block;
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}

/* ===== 流程 ===== */
.page-contact .cx-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-contact .cx-step {
  position: relative;
  padding: 22px 18px 24px;
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyan), var(--violet)) 1;
  background: rgba(13, 20, 38, 0.55);
}

.page-contact .cx-step__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .cx-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .cx-step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
}

/* ===== 暖纸横带 ===== */
.page-contact .cx-paper {
  margin: clamp(44px, 7vw, 92px) 0;
  padding: clamp(34px, 5.5vw, 68px) 0;
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .cx-paper__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .cx-paper__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.page-contact .cx-paper__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-contact .cx-paper__addr {
  margin: 0;
  font-size: clamp(16px, 2.4vw, 21px);
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.page-contact .cx-paper__notes p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #2b3448;
}

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

.page-contact .cx-paper__list li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(10, 15, 30, 0.16);
  font-size: 13.5px;
  line-height: 1.72;
  color: #384254;
}

.page-contact .cx-paper__list .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #8a5c2b;
  text-transform: uppercase;
}

/* ===== FAQ ===== */
.page-contact .cx-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-contact .cx-faq__list {
  border-top: 1px solid var(--cx-soft);
}

.page-contact .cx-faq details {
  border-bottom: 1px solid var(--cx-soft);
}

.page-contact .cx-faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15.5px, 2vw, 18px);
  font-weight: 500;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

.page-contact .cx-faq summary::-webkit-details-marker {
  display: none;
}

.page-contact .cx-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .cx-faq details[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-contact .cx-faq summary:hover {
  color: var(--cyan);
}

.page-contact .cx-faq details p {
  margin: 0 0 20px;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
}

.page-contact .cx-faq details p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.4);
}

.page-contact .cx-faq details p a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ===== 继续了解 ===== */
.page-contact .cx-next-wrap {
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .cx-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.page-contact .cx-next a {
  display: grid;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--cx-soft);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--paper);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-contact .cx-next a:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(34, 224, 214, 0.07);
}

.page-contact .cx-next a .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .cx-next__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .cx-next__desc {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
}

/* ===== 响应式 ===== */
@media (min-width: 720px) {
  .page-contact .cx-switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .cx-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .cx-step {
    border: 1px solid var(--cx-soft);
    border-top: 2px solid var(--cyan);
  }

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

@media (min-width: 900px) {
  .page-contact .cx-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .cx-direct__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .cx-paper__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-contact .cx-faq__grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .cx-faq .cx-head {
    margin-bottom: 0;
  }
}

@media (min-width: 1100px) {
  .page-contact .cx-switch {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .cx-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .cx-step {
    padding: 24px 20px 26px;
  }

  .page-contact .cx-hint {
    padding: 24px 26px 22px;
  }

  .page-contact .cx-hint__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cx-card,
  .page-contact .cx-next a {
    transition: none;
  }

  .page-contact .cx-card:hover,
  .page-contact .cx-next a:hover {
    transform: none;
  }
}