.page-contact {
  --contact-soft: rgba(53, 224, 208, 0.055);
  --contact-panel-2: #0D1727;
  --contact-panel-3: #131F33;
  background-color: var(--ink);
  color: var(--white);
}

.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 42px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--contact-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--contact-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .hero-title {
  margin: 12px 0 18px;
  font-size: clamp(34px, 6.2vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--gray);
}

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

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 2px solid var(--line);
  background-color: var(--line);
}

.page-contact .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background-color: var(--ink);
}

.page-contact .hero-stat__value {
  font-size: clamp(24px, 3.4vw, 30px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-contact .hero-stat__unit {
  font-size: 12px;
  margin-left: 3px;
  color: var(--gray);
}

.page-contact .hero-stat__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-contact .hero-figure {
  margin: 0;
}

.page-contact .hero-figure .figure__frame {
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  background-color: var(--contact-panel-3);
  overflow: hidden;
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-section {
  padding-block: clamp(48px, 6.5vw, 92px);
}

.page-contact .cs-head {
  max-width: 660px;
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-contact .cs-title {
  margin: 10px 0 14px;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .cs-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* 合作方向切换 */
.page-contact .coop-switch {
  position: relative;
}

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

.page-contact .coop-grid {
  display: grid;
  gap: 18px;
}

.page-contact .coop-tabs {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .coop-card {
  display: block;
  padding: 18px 20px 18px 22px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--line);
  background-color: var(--contact-panel-2);
  cursor: pointer;
  transition: border-color 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.page-contact .coop-card:hover {
  border-color: var(--gold);
  transform: translateX(3px);
}

.page-contact .coop-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .coop-card__title {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .coop-card__desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-contact #coop-a:checked ~ .coop-grid .coop-card--a,
.page-contact #coop-b:checked ~ .coop-grid .coop-card--b,
.page-contact #coop-c:checked ~ .coop-grid .coop-card--c {
  border-color: var(--gold);
  border-left-color: var(--gold);
  background-color: var(--contact-panel-3);
}

.page-contact #coop-a:checked ~ .coop-grid .coop-card--a .coop-card__num,
.page-contact #coop-b:checked ~ .coop-grid .coop-card--b .coop-card__num,
.page-contact #coop-c:checked ~ .coop-grid .coop-card--c .coop-card__num {
  color: var(--gold);
}

.page-contact #coop-a:focus-visible ~ .coop-grid .coop-card--a,
.page-contact #coop-b:focus-visible ~ .coop-grid .coop-card--b,
.page-contact #coop-c:focus-visible ~ .coop-grid .coop-card--c {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .coop-panel {
  display: none;
  padding: clamp(20px, 3.2vw, 34px);
  border: 2px solid var(--line);
  background-image: linear-gradient(158deg, #16233A 0%, #0C1524 68%);
  box-shadow: var(--hard);
}

.page-contact #coop-a:checked ~ .coop-grid .coop-panel--a,
.page-contact #coop-b:checked ~ .coop-grid .coop-panel--b,
.page-contact #coop-c:checked ~ .coop-grid .coop-panel--c {
  display: block;
  animation: coopFade 0.3s ease both;
}

@keyframes coopFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact .coop-panel__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.6vw, 26px);
  font-weight: 900;
  color: var(--gold);
  line-height: 1.2;
}

.page-contact .coop-panel__who {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background-color: var(--gold);
}

.page-contact .coop-panel__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan);
}

/* 流程 */
.page-contact .process {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 6.5vw, 88px);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background-color: var(--contact-panel-2);
}

.page-contact .process-bg {
  position: absolute;
  inset: 0;
  opacity: 0.17;
  pointer-events: none;
}

.page-contact .process-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .process > .container {
  position: relative;
  z-index: 1;
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .step {
  padding: 18px 16px 20px;
  border: 2px solid var(--line);
  border-top: 3px solid var(--gold);
  background-color: rgba(10, 18, 32, 0.86);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.page-contact .step:hover,
.page-contact .step:focus-within {
  border-color: var(--gold);
  box-shadow: var(--hard-gold);
  transform: translateY(-3px);
  outline: none;
}

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

.page-contact .step__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .step__title {
  margin: 10px 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .step__detail {
  margin: 0;
  padding-left: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
  border-left: 2px solid transparent;
  transition: color 0.22s ease, border-color 0.22s ease, padding-left 0.22s ease;
}

.page-contact .step:hover .step__detail,
.page-contact .step:focus-within .step__detail {
  color: var(--white);
  border-left-color: var(--gold);
  padding-left: 10px;
}

/* 联系方式 */
.page-contact .contact-cards {
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  padding: 22px 20px 24px;
  border: 2px solid var(--line);
  background-color: var(--contact-panel-2);
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-contact .channel:hover {
  border-color: var(--gold);
  background-color: var(--contact-panel-3);
}

.page-contact .channel__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gray);
}

.page-contact .channel__value {
  display: block;
  margin-top: 12px;
  padding-bottom: 10px;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--white);
  border-bottom: 2px solid var(--line);
  overflow-wrap: anywhere;
  transition: color 0.22s ease, border-color 0.22s ease;
}

.page-contact .channel:hover .channel__value {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .channel__value--addr {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .channel__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .channel-foot {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--red);
  background-color: rgba(255, 77, 79, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
}

/* 沟通准备 */
.page-contact .prepare-section {
  border-top: 2px solid var(--line);
}

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

.page-contact .prep-item {
  display: flex;
  gap: 16px;
  padding: 18px;
  border: 2px solid var(--line);
  background-color: var(--contact-panel-2);
  transition: border-color 0.22s ease;
}

.page-contact .prep-item:hover {
  border-color: var(--cyan);
}

.page-contact .prep-item__num {
  flex: 0 0 auto;
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .prep-item__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
}

.page-contact .prep-item__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

/* 常见问题 */
.page-contact .faq {
  border-top: 2px solid var(--line);
}

.page-contact .faq__row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .faq__q {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--gold);
}

.page-contact .faq__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
}

.page-contact .next-links {
  display: grid;
  gap: 10px;
  margin-top: 34px;
}

.page-contact .next-link {
  display: block;
  padding: 16px 18px;
  border: 2px solid var(--line);
  background-color: var(--contact-panel-2);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-color: var(--gold);
  transform: translateX(4px);
  outline: none;
}

.page-contact .next-link__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .next-link__text {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

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

@media (min-width: 620px) {
  .page-contact .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .faq__row {
    grid-template-columns: minmax(0, 0.4fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .step,
  .page-contact .step__detail,
  .page-contact .channel,
  .page-contact .channel__value,
  .page-contact .prep-item,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact #coop-a:checked ~ .coop-grid .coop-panel--a,
  .page-contact #coop-b:checked ~ .coop-grid .coop-panel--b,
  .page-contact #coop-c:checked ~ .coop-grid .coop-panel--c {
    animation: none;
  }

  .page-contact .coop-card:hover,
  .page-contact .step:hover,
  .page-contact .next-link:hover,
  .page-contact .next-link:focus-visible {
    transform: none;
  }
}