.page-contact {
  --cnt-space: clamp(20px, 3.4vw, 44px);
}

/* ---------- 面包屑 ---------- */
.page-contact .cnt-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 通用排版 ---------- */
.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 0;
}

.page-contact figure {
  margin: 0;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-contact .cnt-hero {
  padding-top: clamp(20px, 3.6vw, 44px);
}

.page-contact .cnt-hero__grid {
  display: grid;
  gap: clamp(28px, 4.6vw, 56px);
  align-items: start;
}

.page-contact .cnt-hero__title {
  font-size: clamp(30px, 5.6vw, 56px);
  margin-top: 14px;
}

.page-contact .cnt-hero__accent {
  display: inline;
  color: var(--amber);
  background-image: linear-gradient(transparent 68%, rgba(255, 179, 71, 0.22) 68%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.page-contact .cnt-hero__desc {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 38em;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.8;
}

.page-contact .cnt-quick {
  list-style: none;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 28px);
}

.page-contact .cnt-quick__item {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .cnt-quick__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .cnt-quick__unit {
  font-size: 0.42em;
  margin-left: 3px;
  color: var(--ink-soft);
  letter-spacing: 0;
}

.page-contact .cnt-quick__label {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.page-contact .cnt-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-contact .cnt-hero__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--deep);
}

/* ---------- 章节标题组 ---------- */
.page-contact .cnt-head {
  display: grid;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .cnt-head__main {
  display: grid;
  gap: 10px;
}

.page-contact .cnt-head__title {
  font-size: clamp(24px, 3.4vw, 40px);
}

.page-contact .cnt-head__desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(14.5px, 1.2vw, 16px);
  line-height: 1.78;
}

/* ---------- 合作方向卡片 ---------- */
.page-contact .cnt-card-grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-contact .cnt-card {
  position: relative;
  padding: clamp(22px, 2.8vw, 34px) clamp(20px, 2.6vw, 32px);
  padding-left: clamp(26px, 3.4vw, 42px);
  background: linear-gradient(158deg, rgba(14, 34, 51, 0.96), rgba(7, 26, 43, 0.96));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-contact .cnt-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 2.8vw, 34px);
  width: 3px;
  height: 40px;
  border-radius: 0 3px 3px 0;
  background: var(--cyan);
  transition: height 0.35s var(--ease), background 0.35s var(--ease);
}

.page-contact .cnt-card:hover,
.page-contact .cnt-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-amber);
  box-shadow: var(--shadow-lift);
}

.page-contact .cnt-card:hover::before,
.page-contact .cnt-card:focus-within::before {
  height: 68%;
  background: var(--amber);
}

.page-contact .cnt-card__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bronze);
}

.page-contact .cnt-card__title {
  font-size: clamp(19px, 2vw, 23px);
  margin-top: 12px;
}

.page-contact .cnt-card__text {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .cnt-card__fit {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(169, 183, 181, 0.24);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 使用场景 ---------- */
.page-contact .cnt-scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .cnt-scene {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.3s var(--ease);
}

.page-contact .cnt-scene:hover {
  background-color: rgba(15, 123, 108, 0.08);
}

.page-contact .cnt-scene__role {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .cnt-scene__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 合作流程 ---------- */
.page-contact .cnt-flow__grid {
  display: grid;
  gap: clamp(28px, 4.6vw, 60px);
}

.page-contact .cnt-flow__title {
  font-size: clamp(24px, 3.4vw, 40px);
  margin-top: 10px;
}

.page-contact .cnt-flow__desc {
  margin: clamp(14px, 2vw, 20px) 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .cnt-flow__media {
  margin-top: clamp(22px, 3vw, 34px);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--deep);
}

.page-contact .cnt-steps {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .cnt-step {
  background: rgba(14, 34, 51, 0.72);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-contact .cnt-step[open] {
  border-color: var(--line);
}

.page-contact .cnt-step__summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: clamp(15px, 2vw, 20px) clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink);
}

.page-contact .cnt-step__summary::-webkit-details-marker {
  display: none;
}

.page-contact .cnt-step__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--cyan);
  transition: color 0.3s var(--ease);
}

.page-contact .cnt-step[open] .cnt-step__summary::after {
  content: "\2212";
  color: var(--amber);
}

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

.page-contact .cnt-step__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--bronze);
}

.page-contact .cnt-step__body {
  padding: 0 clamp(16px, 2.2vw, 24px) clamp(18px, 2.2vw, 24px) clamp(46px, 5vw, 62px);
}

.page-contact .cnt-step__body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 联系渠道 ---------- */
.page-contact .cnt-channels__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .cnt-channels__title {
  font-size: clamp(24px, 3.4vw, 40px);
  margin-top: 10px;
}

.page-contact .cnt-channels__desc {
  margin: clamp(14px, 2vw, 20px) 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .cnt-channels__aside {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .cnt-contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 40px);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, #F2E8D5, #E3D6BB);
  color: var(--on-paper);
  box-shadow: var(--shadow-lift);
}

.page-contact .cnt-contact-card::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at 35% 35%, rgba(15, 123, 108, 0.26), transparent 68%);
  pointer-events: none;
}

.page-contact .cnt-contact-card__row {
  position: relative;
  display: grid;
  gap: 5px;
  padding: clamp(14px, 1.9vw, 20px) 0;
  border-bottom: 1px solid rgba(44, 65, 73, 0.16);
}

.page-contact .cnt-contact-card__row:first-child {
  padding-top: 0;
}

.page-contact .cnt-contact-card__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .cnt-contact-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(44, 65, 73, 0.62);
}

.page-contact .cnt-contact-card__value {
  font-family: var(--font-head);
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-contact .cnt-contact-card__value--mono {
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.45vw, 18px);
  letter-spacing: -0.01em;
  font-weight: 600;
}

.page-contact .cnt-contact-card__value--phone {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.6vw, 46px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--teal);
  letter-spacing: -0.02em;
}

.page-contact .cnt-contact-card__note {
  font-size: 12.5px;
  color: rgba(44, 65, 73, 0.68);
}

/* ---------- 服务承诺 ---------- */
.page-contact .cnt-promise__panel {
  border-radius: var(--r-lg);
  padding: clamp(24px, 3.4vw, 50px);
}

.page-contact .cnt-promise__title {
  font-size: clamp(23px, 3.2vw, 36px);
  margin-top: 10px;
}

.page-contact .cnt-promise__desc {
  margin: clamp(12px, 1.8vw, 18px) 0 0;
  max-width: 44em;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .cnt-promise__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .cnt-promise__list li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .cnt-promise__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .cnt-promise__foot {
  margin: clamp(24px, 3.2vw, 36px) 0 0;
  padding-top: clamp(16px, 2.2vw, 22px);
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 显现协议（渐进增强） ---------- */
.page-contact [data-reveal][data-revealed="true"] {
  animation: contact-rise 0.65s var(--ease) both;
}

@keyframes contact-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-contact .cnt-quick {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact .cnt-card {
    padding-left: clamp(22px, 6vw, 30px);
  }

  .page-contact .cnt-step__body {
    padding-left: clamp(16px, 2.2vw, 24px);
  }

  .page-contact .cnt-contact-card__value--phone {
    font-size: clamp(24px, 8.4vw, 34px);
  }
}

@media (min-width: 760px) {
  .page-contact .cnt-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .cnt-scene {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-contact .cnt-scene__role {
    padding-top: 2px;
  }

  .page-contact .cnt-promise__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 36px;
  }
}

@media (min-width: 960px) {
  .page-contact .cnt-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 40ch);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .cnt-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-contact .cnt-flow__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

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

@media (min-width: 1200px) {
  .page-contact .cnt-scene {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal][data-revealed="true"] {
    animation: none;
  }

  .page-contact .cnt-card,
  .page-contact .cnt-card::before,
  .page-contact .cnt-step,
  .page-contact .cnt-scene {
    transition: none;
  }

  .page-contact .cnt-card:hover,
  .page-contact .cnt-card:focus-within {
    transform: none;
  }
}