.page-contact {
  --ct-gap: clamp(16px, 2.6vw, 32px);
  --ct-line: rgba(141, 162, 188, 0.22);
  --ct-line-soft: rgba(141, 162, 188, 0.12);
  --ct-line-cyan: rgba(61, 242, 218, 0.42);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(18px, 3vw, 28px) clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ct-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(115% 85% at 12% 6%, #000 0%, transparent 68%);
  mask-image: radial-gradient(115% 85% at 12% 6%, #000 0%, transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -18%;
  width: min(46vw, 520px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at center, rgba(61, 242, 218, 0.16) 0%, transparent 62%);
  pointer-events: none;
}

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

.page-contact .contact-hero .crumbs {
  padding-bottom: clamp(20px, 3.2vw, 36px);
}

.page-contact .contact-hero__grid {
  display: block;
  max-width: 900px;
}

.page-contact .contact-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-cyan);
}

.page-contact .contact-hero .eyebrow::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--c-cyan);
}

.page-contact .contact-hero .display-1 {
  margin: 14px 0 0;
  color: var(--c-white);
  line-height: 1.08;
  max-width: 18ch;
}

.page-contact .contact-hero .lede {
  margin-top: clamp(16px, 2.2vw, 24px);
  max-width: 62ch;
  color: var(--c-white);
  opacity: 0.84;
}

.page-contact .contact-hero__actions {
  margin-top: clamp(24px, 3.2vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 首屏数字条 */
.page-contact .contact-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: clamp(30px, 4.4vw, 50px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-line);
}

.page-contact .contact-facts__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px) 0 clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .contact-facts__item + .contact-facts__item {
  padding-left: clamp(14px, 2vw, 24px);
  border-left: 1px solid var(--ct-line-soft);
}

.page-contact .contact-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--c-cyan);
  letter-spacing: -0.01em;
}

.page-contact .contact-facts__label {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-slate);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-directions .section__head {
  max-width: 62ch;
}

.page-contact .directions-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(24px, 3.6vw, 40px);
}

/* 标签 */
.page-contact .dir-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .dir-tabs__btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--ct-line);
  background: var(--c-bg-2);
  color: var(--c-slate);
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  cursor: pointer;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-contact .dir-tabs__btn:hover {
  color: var(--c-white);
  border-color: var(--ct-line-cyan);
}

.page-contact .dir-tabs__btn:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-contact .dir-tabs__btn[aria-selected="true"] {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-ink);
}

.page-contact .dir-tabs__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  opacity: 0.72;
}

.page-contact .dir-tabs__panels {
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-contact .dir-tabs__panel {
  border-left: 3px solid var(--c-cyan);
  padding-left: clamp(16px, 2.4vw, 26px);
}

.page-contact .dir-tabs__panel + .dir-tabs__panel {
  margin-top: 0;
}

.page-contact .dir-tabs__panel[hidden] {
  display: none;
}

.page-contact .dir-card__fit,
.page-contact .dir-card__step {
  margin: 0;
  color: var(--c-white);
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .dir-card__step {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--ct-line);
  color: var(--c-slate);
}

.page-contact .dir-card__key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-steal);
  vertical-align: 1px;
}

.page-contact .dir-card__gain {
  margin-top: 22px;
}

.page-contact .dir-card__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .dir-card__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: var(--c-white);
  opacity: 0.88;
  font-size: 15.5px;
  line-height: 1.7;
}

.page-contact .dir-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--c-cyan);
}

/* 方向配图 */
.page-contact .directions-visual {
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--c-bg-2);
  padding: 10px;
}

.page-contact .directions-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .directions-visual__cap {
  padding: 12px 4px 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-slate);
  letter-spacing: 0.02em;
}

/* ---------- 对接流程 ---------- */
.page-contact .contact-flow .section__head {
  max-width: 64ch;
}

.page-contact .flow {
  position: relative;
  margin: clamp(24px, 3.8vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 28px);
  padding-block: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--ct-line);
  transition: background var(--dur) var(--ease);
}

.page-contact .flow__item:hover {
  background: linear-gradient(90deg, rgba(61, 242, 218, 0.06) 0%, transparent 72%);
}

.page-contact .flow__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 70px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--ct-line-cyan), rgba(61, 242, 218, 0.06));
  pointer-events: none;
}

.page-contact .flow__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ct-line-cyan);
  background: var(--c-bg-2);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.page-contact .flow__title {
  margin: 0;
  font-family: var(--font-cond);
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .flow__text {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-slate);
  max-width: 68ch;
}

.page-contact .flow__hint {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--c-steal);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-cyan-soft);
  max-width: 64ch;
}

/* ---------- 沟通前准备 ---------- */
.page-contact .contact-prep__grid {
  align-items: start;
  row-gap: clamp(24px, 3.6vw, 40px);
}

.page-contact .contact-prep__intro p {
  margin-top: 16px;
  color: var(--c-slate);
  font-size: 16px;
  line-height: 1.75;
  max-width: 44ch;
}

.page-contact .contact-prep__intro .btn {
  margin-top: 22px;
}

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

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(16px, 2.2vw, 22px);
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .checklist__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--c-ink);
  background: var(--c-cyan);
}

.page-contact .checklist__title {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .checklist__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-slate);
  max-width: 62ch;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
}

.page-contact .channels-figure {
  margin: 0 0 clamp(26px, 4vw, 44px);
  border: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .channels-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-contact .contact-channels__head {
  max-width: 58ch;
}

.page-contact .contact-panel {
  margin-top: clamp(22px, 3.2vw, 36px);
  padding: clamp(22px, 3.2vw, 36px);
  color: var(--c-ink);
  border: 1px solid rgba(10, 14, 20, 0.18);
}

.page-contact .contact-panel__head {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(10, 14, 20, 0.18);
}

.page-contact .contact-panel .label {
  color: rgba(10, 14, 20, 0.62);
}

.page-contact .contact-panel__lead {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(10, 14, 20, 0.78);
  max-width: 66ch;
}

.page-contact .contact-panel__list {
  margin: 0;
  padding: 0;
}

.page-contact .contact-panel__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: clamp(14px, 2vw, 18px);
  border-bottom: 1px solid rgba(10, 14, 20, 0.15);
}

.page-contact .contact-panel__key {
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(10, 14, 20, 0.58);
}

.page-contact .contact-panel__val {
  margin: 0;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.55;
  color: var(--c-ink);
  word-break: break-word;
}

.page-contact .contact-panel__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-steal);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(10, 14, 20, 0.76);
  max-width: 70ch;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq .section__head {
  max-width: 58ch;
}

.page-contact .faq {
  margin-top: clamp(22px, 3.4vw, 40px);
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .faq__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(16px, 2.3vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-cond);
  font-size: clamp(16px, 2.1vw, 19px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: var(--c-white);
  transition: color var(--dur) var(--ease);
}

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

.page-contact .faq__q::before {
  content: "+";
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 400;
  color: var(--c-ink);
  background: var(--c-cyan);
  transition: background var(--dur) var(--ease);
}

.page-contact .faq__item[open] .faq__q::before {
  content: "–";
  background: var(--c-steal);
}

.page-contact .faq__q:hover {
  color: var(--c-cyan);
}

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

.page-contact .faq__a {
  padding: 0 0 clamp(18px, 2.4vw, 24px) 38px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-slate);
  max-width: 72ch;
}

/* ---------- 继续了解 ---------- */
.page-contact .contact-more {
  border-top: 1px solid var(--ct-line);
}

.page-contact .contact-more .label {
  color: var(--c-slate);
}

.page-contact .contact-more__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

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

.page-contact .contact-more__link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 0;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-more__title {
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .contact-more__link:hover .contact-more__title {
  color: var(--c-cyan);
}

.page-contact .contact-more__note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-panel__row {
    grid-template-columns: minmax(140px, 0.32fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .contact-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 880px) {
  .page-contact .directions-layout {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .directions-visual {
    position: sticky;
    top: 96px;
  }

  .page-contact .flow__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 34px);
  }

  .page-contact .flow__no {
    width: 56px;
    height: 56px;
    font-size: 17px;
  }

  .page-contact .flow__item:not(:last-child)::after {
    left: 28px;
    top: 80px;
  }

  .page-contact .flow__hint {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), margin 0.3s var(--ease);
    margin-top: 0;
  }

  .page-contact .flow__item:hover .flow__hint,
  .page-contact .flow__item:focus-within .flow__hint {
    max-height: 120px;
    opacity: 1;
    margin-top: 10px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero .display-1 {
    max-width: 16ch;
  }

  .page-contact .contact-more__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-more__link {
    padding-right: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .flow__item,
  .page-contact .flow__hint,
  .page-contact .dir-tabs__btn,
  .page-contact .faq__q {
    transition: none;
  }

  .page-contact .flow__hint {
    max-height: none;
    opacity: 1;
  }
}