.page-contact {
  --pc-border: 1px solid rgba(199, 207, 206, .18);
  --pc-border-hi: 1px solid rgba(56, 242, 214, .42);
  --pc-surface: rgba(11, 58, 63, .34);
  --pc-surface-2: rgba(14, 43, 36, .58);
  --pc-radius: 20px 6px 20px 6px;
  --pc-radius-sm: 12px 4px 12px 4px;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2.5rem) clamp(3.5rem, 8vw, 6rem);
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(56, 242, 214, .09), transparent 62%),
    radial-gradient(90% 45% at -10% 34%, rgba(42, 42, 107, .3), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, #0B1F1C 46%, #111613 100%);
}

.page-contact .contact-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.page-contact .contact-wrap > * + * {
  margin-block-start: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .breadcrumb {
  margin-block-end: .25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: var(--pc-border);
  border-radius: var(--pc-radius);
  background: linear-gradient(158deg, rgba(14, 43, 36, .94) 0%, rgba(11, 58, 63, .74) 54%, rgba(17, 22, 19, .92) 100%);
  overflow: hidden;
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 76px;
  background-image: repeating-linear-gradient(90deg, rgba(56, 242, 214, .3) 0 1px, transparent 1px 32px);
  opacity: .38;
  pointer-events: none;
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border-radius: 44% 56% 62% 38%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 138, 61, .22), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.page-contact .contact-hero__title {
  margin: .5rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.02;
  font-size: clamp(2.1rem, 6.6vw, 4.1rem);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 36rem;
  font-size: clamp(.95rem, 2.2vw, 1.08rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-block-start: 1.6rem;
}

.page-contact .contact-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: .65rem;
  align-content: start;
}

.page-contact .stat-card {
  display: grid;
  gap: .3rem;
  padding: .9rem 1rem;
  border: var(--pc-border);
  border-left: 2px solid var(--cyan);
  border-radius: var(--pc-radius-sm);
  background: rgba(17, 22, 19, .58);
}

.page-contact .stat-card__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.25rem, 3.4vw, 1.55rem);
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .stat-card__label {
  font-size: .76rem;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-hero__media {
  margin: 0;
  border: var(--pc-border);
  border-radius: var(--pc-radius);
  overflow: hidden;
  background: rgba(11, 58, 63, .3);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 8;
  object-fit: cover;
}

.page-contact .contact-hero__media .media__caption {
  display: block;
  padding: .8rem 1.1rem;
  font-family: var(--font-data);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--steel);
  border-top: var(--pc-border);
}

/* ---------- 非对称双栏 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.5rem);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-tracks__list {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .track {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .4rem 1.1rem;
  padding: 1.15rem 1.15rem 1.25rem;
  border: var(--pc-border);
  border-radius: var(--pc-radius-sm);
  background: linear-gradient(118deg, rgba(14, 43, 36, .74), rgba(17, 22, 19, .52));
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-contact .track:nth-child(1) { border-left: 3px solid var(--cyan); }
.page-contact .track:nth-child(2) { border-left: 3px solid var(--orange); }
.page-contact .track:nth-child(3) { border-left: 3px solid var(--lime); }
.page-contact .track:nth-child(4) { border-left: 3px solid var(--silver); }

.page-contact .track:hover {
  transform: translateX(4px);
  border-color: rgba(56, 242, 214, .4);
}

.page-contact .track__index {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--orange);
  padding-top: .38rem;
}

.page-contact .track__body {
  display: grid;
  gap: .45rem;
}

.page-contact .track__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .track__desc {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .track__fit {
  margin: .2rem 0 0;
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 联系方式窄栏 ---------- */
.page-contact .contact-lines {
  align-self: start;
}

.page-contact .contact-lines__list {
  display: grid;
  gap: .65rem;
  margin-block-start: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .line-card {
  display: grid;
  gap: .35rem;
  padding: .9rem 1.05rem;
  border: var(--pc-border);
  border-radius: var(--pc-radius-sm);
  background: var(--pc-surface);
}

.page-contact .line-card__key {
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-contact .line-card__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-lines__media {
  margin: 1rem 0 0;
  border: var(--pc-border);
  border-radius: var(--pc-radius-sm);
  overflow: hidden;
  background: rgba(11, 58, 63, .3);
}

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

/* ---------- 留言板与响应 ---------- */
.page-contact .contact-board {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: var(--pc-border);
  border-radius: var(--pc-radius);
  background:
    radial-gradient(78% 120% at 100% 0%, rgba(42, 42, 107, .5), transparent 62%),
    linear-gradient(140deg, rgba(14, 43, 36, .94), rgba(17, 22, 19, .88));
}

.page-contact .contact-board__text {
  margin: 1rem 0 0;
  max-width: 40rem;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-board__list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .contact-board__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .contact-board__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .72rem;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-board__side {
  display: grid;
  gap: .65rem;
  align-content: start;
}

.page-contact .board-note {
  padding: .9rem 1rem;
  border: var(--pc-border);
  border-radius: var(--pc-radius-sm);
  background: rgba(17, 22, 19, .55);
}

.page-contact .board-note__k {
  display: block;
  margin-block-end: .35rem;
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .board-note__v {
  font-size: .89rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow {
  list-style: none;
  counter-reset: pc-flow;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .flow__step {
  counter-increment: pc-flow;
  position: relative;
  padding: 1rem 1.1rem 1.15rem;
  border-top: 2px solid rgba(56, 242, 214, .5);
  border-radius: 0 0 var(--pc-radius-sm) var(--pc-radius-sm);
  background: linear-gradient(180deg, rgba(11, 58, 63, .44), rgba(17, 22, 19, .26));
}

.page-contact .flow__step::before {
  content: "0" counter(pc-flow);
  display: block;
  margin-block-end: .5rem;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .flow__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-contact .flow__text {
  margin: .45rem 0 0;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq__list {
  display: grid;
  gap: .7rem;
  margin-block-start: clamp(1.5rem, 4vw, 2.25rem);
  max-width: 62rem;
}

.page-contact .faq-item {
  padding: 1.05rem 1.15rem 1.15rem;
  border: var(--pc-border);
  border-radius: var(--pc-radius-sm);
  background: rgba(17, 22, 19, .48);
  transition: border-color .3s var(--ease);
}

.page-contact .faq-item:hover {
  border-color: rgba(56, 242, 214, .34);
}

.page-contact .faq-item__q {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--cyan);
}

.page-contact .faq-item__a {
  margin: 0;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-cta {
  display: grid;
  gap: .9rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: var(--pc-border-hi);
  border-radius: var(--pc-radius);
  background: linear-gradient(150deg, rgba(11, 58, 63, .62), rgba(17, 22, 19, .82));
}

.page-contact .contact-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.015em;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--paper);
}

.page-contact .contact-cta__text {
  margin: 0;
  max-width: 40rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-block-start: .5rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-board__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__frame {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .85fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-contact .contact-hero__media img {
    aspect-ratio: 21 / 9;
  }

  .page-contact .contact-faq__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1rem;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-contact .contact-board {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .9fr);
    align-items: start;
  }

  .page-contact .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .track,
  .page-contact .faq-item {
    transition: none;
  }

  .page-contact .track:hover {
    transform: none;
  }
}