.page-contact {
  --pc-line: 1px solid rgba(58, 70, 64, .9);
  --pc-card: linear-gradient(158deg, rgba(30, 58, 47, .96), rgba(11, 31, 24, .92));
  --pc-narrow: 1040px;
  color: var(--white);
}

.page-contact .mono {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-contact .coop-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 54px;
  background:
    radial-gradient(118% 92% at 84% -12%, rgba(198, 255, 61, .17), transparent 62%),
    radial-gradient(92% 76% at 4% 6%, rgba(255, 122, 26, .13), transparent 64%),
    var(--ink-deep);
}

.page-contact .coop-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-contact .breadcrumb a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumb__sep {
  color: var(--stone);
}

.page-contact .coop-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7.4vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.01em;
  max-width: 16ch;
}

.page-contact .coop-hero__lede {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 1.01rem;
  line-height: 1.82;
  color: var(--gray);
}

.page-contact .coop-hero__actions {
  margin-top: 26px;
}

.page-contact .coop-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--pc-line);
  box-shadow: var(--lift);
}

.page-contact .coop-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通用章节头 ---------- */
.page-contact .section__head {
  max-width: 46em;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.6vw, 2.2rem);
  line-height: 1.22;
  margin: 10px 0 0;
}

.page-contact .section__head .lede {
  margin: 14px 0 0;
  color: var(--gray);
  line-height: 1.82;
  font-size: .98rem;
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-dirs {
  padding: 54px 0 58px;
}

.page-contact .coop-dirs__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .dir-item {
  position: relative;
  overflow: hidden;
  padding: 24px 22px 22px 26px;
  border-radius: var(--radius-md);
  border: var(--pc-line);
  background: var(--pc-card);
  transition: transform .24s ease, border-color .24s ease;
}

.page-contact .dir-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--lime), rgba(198, 255, 61, 0) 86%);
}

.page-contact .dir-item:hover,
.page-contact .dir-item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 61, .6);
}

.page-contact .dir-item__num {
  display: block;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-contact .dir-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .dir-item__text {
  margin: 10px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-contact .dir-item__fit {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(58, 70, 64, .95);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--cool);
}

.page-contact .coop-dirs__figure {
  margin: 30px 0 0;
}

.page-contact .coop-dirs__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: var(--pc-line);
}

.page-contact .coop-dirs__figure .figure__caption {
  margin-top: 12px;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 合作流程 ---------- */
.page-contact .coop-flow {
  padding: 54px 0 60px;
}

.page-contact .flow-band {
  position: relative;
  margin-top: 34px;
}

.page-contact .flow-band__line {
  display: none;
}

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

.page-contact .flow-node {
  position: relative;
  padding: 22px 20px;
  border-radius: var(--radius-md);
  border: var(--pc-line);
  background: rgba(11, 31, 24, .72);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.page-contact .flow-node:hover,
.page-contact .flow-node:focus-within {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 61, .75);
  box-shadow: 0 0 0 1px rgba(198, 255, 61, .18) inset;
}

.page-contact .flow-node__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 30px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(198, 255, 61, .5);
  background: rgba(198, 255, 61, .1);
  color: var(--lime);
  font-size: 12.5px;
  letter-spacing: .12em;
}

.page-contact .flow-node__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  line-height: 1.3;
}

.page-contact .flow-node__text {
  margin: 9px 0 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .flow-node__out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(58, 70, 64, .95);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 洽谈渠道与准备清单 ---------- */
.page-contact .coop-desk {
  padding: 54px 0 58px;
}

.page-contact .coop-desk__grid {
  display: grid;
  gap: 34px;
  margin-top: 32px;
  max-width: var(--pc-narrow);
}

.page-contact .desk-heading {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: var(--pc-line);
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.3;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  padding: 20px 20px 18px;
  border-radius: var(--radius-lg);
  border: var(--pc-line);
  background: var(--pc-card);
}

.page-contact .channel-card__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-contact .channel-card__val {
  margin: 10px 0 0;
  font-size: .99rem;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  font-size: .87rem;
  line-height: 1.76;
  color: var(--gray);
}

.page-contact .channel-card .copy-btn {
  margin-top: 14px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius-md);
  border: var(--pc-line);
  background: rgba(11, 31, 24, .62);
}

.page-contact .prep-item__box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 5px;
  border: 1.5px solid rgba(198, 255, 61, .72);
  background: rgba(198, 255, 61, .08);
}

.page-contact .prep-item__body {
  min-width: 0;
}

.page-contact .prep-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.04rem;
  color: var(--white);
}

.page-contact .prep-item__text {
  margin: 8px 0 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--gray);
}

.page-contact .prep-note {
  margin: 20px 0 0;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--gray);
}

.page-contact .prep-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
}

.page-contact .prep-links .link {
  font-size: .9rem;
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid rgba(207, 230, 224, .45);
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .prep-links .link:hover,
.page-contact .prep-links .link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 服务时段 ---------- */
.page-contact .coop-hours {
  padding: 54px 0 58px;
}

.page-contact .hours-grid {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}

.page-contact .hours-card {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(198, 255, 61, .3);
  background:
    radial-gradient(120% 130% at 10% 0%, rgba(198, 255, 61, .14), transparent 60%),
    linear-gradient(150deg, rgba(30, 58, 47, .96), rgba(11, 31, 24, .94));
}

.page-contact .hours-card__big {
  margin: 14px 0 0;
  font-size: clamp(1.5rem, 6.4vw, 2.3rem);
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .hours-card__big span {
  color: var(--orange);
}

.page-contact .hours-card__note {
  margin: 16px 0 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--gray);
}

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

.page-contact .hours-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid rgba(58, 70, 64, .85);
}

.page-contact .hours-step:last-child {
  border-bottom: 1px solid rgba(58, 70, 64, .85);
}

.page-contact .hours-step__idx {
  grid-column: 1;
  grid-row: 1 / 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(58, 70, 64, .95);
  font-size: 12.5px;
  color: var(--lime);
}

.page-contact .hours-step__title {
  grid-column: 2;
  grid-row: 1;
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.35;
}

.page-contact .hours-step__text {
  grid-column: 2;
  grid-row: 2;
  margin: 8px 0 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 常见疑问 ---------- */
.page-contact .coop-faq {
  padding: 54px 0 58px;
}

.page-contact .faq-list {
  margin: 30px 0 0;
  border-top: var(--pc-line);
}

.page-contact .faq-item {
  padding: 22px 0;
  border-bottom: var(--pc-line);
}

.page-contact .faq-item dt {
  position: relative;
  padding-left: 24px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.42;
  color: var(--white);
}

.page-contact .faq-item dt::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .faq-item dd {
  margin: 10px 0 0;
  padding-left: 24px;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--gray);
}

/* ---------- 底部联系带 ---------- */
.page-contact .coop-cta {
  position: relative;
  overflow: hidden;
  padding: 52px 0 62px;
  border-top: var(--pc-line);
  background:
    radial-gradient(118% 140% at 10% 0%, rgba(198, 255, 61, .2), transparent 58%),
    radial-gradient(92% 120% at 90% 104%, rgba(255, 122, 26, .18), transparent 62%),
    var(--ink-carbon);
}

.page-contact .coop-cta__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5.6vw, 2.4rem);
  line-height: 1.16;
}

.page-contact .coop-cta__text {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-contact .coop-cta__mail {
  margin: 20px 0 0;
  font-size: clamp(1rem, 4.4vw, 1.4rem);
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .coop-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
  align-items: center;
}

.page-contact .copy-btn--big {
  white-space: normal;
  max-width: 100%;
  text-align: left;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-hero {
    padding: 40px 0 64px;
  }

  .page-contact .coop-dirs__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .coop-desk__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 30px;
  }

  .page-contact .hours-grid {
    grid-template-columns: .92fr 1.08fr;
    gap: 26px;
    align-items: start;
  }

  .page-contact .faq-item dd {
    padding-left: 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .coop-hero {
    padding: 50px 0 78px;
  }

  .page-contact .coop-hero__grid {
    grid-template-columns: 1.02fr .98fr;
    gap: 52px;
  }

  .page-contact .coop-hero__figure {
    clip-path: polygon(0 9%, 100% 0%, 100% 91%, 0% 100%);
    border-radius: 0;
  }

  .page-contact .coop-dirs,
  .page-contact .coop-flow,
  .page-contact .coop-desk,
  .page-contact .coop-hours,
  .page-contact .coop-faq {
    padding: 72px 0 76px;
  }

  .page-contact .flow-band__line {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 40px;
    width: 100%;
    height: 40px;
  }

  .page-contact .flow-band__line path {
    fill: none;
    stroke: rgba(198, 255, 61, .42);
    stroke-width: 2;
    stroke-dasharray: 9 11;
    vector-effect: non-scaling-stroke;
  }

  .page-contact .flow-band__nodes {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-contact .flow-node {
    padding: 24px 20px 22px;
  }

  .page-contact .coop-cta {
    padding: 66px 0 76px;
  }
}

@media (min-width: 1180px) {
  .page-contact .coop-hero__figure img {
    aspect-ratio: 16 / 8.4;
  }
}

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

  .page-contact .dir-item:hover,
  .page-contact .dir-item:focus-within,
  .page-contact .flow-node:hover,
  .page-contact .flow-node:focus-within {
    transform: none;
  }
}