.page-contact {
  --contact-pad: clamp(22px, 3vw, 40px);
  --contact-shadow: 0 18px 40px rgba(28, 34, 38, .16);
  --contact-gap-lg: clamp(24px, 3.4vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: calc(var(--head-h) + clamp(20px, 4vw, 52px));
  padding-bottom: clamp(30px, 4.6vw, 64px);
  background:
    radial-gradient(1100px 420px at 84% -12%, rgba(45, 107, 232, .16), transparent 62%),
    linear-gradient(180deg, rgba(94, 31, 24, .18), transparent 70%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap-lg);
}

.page-contact .contact-hero__panel {
  position: relative;
  padding: clamp(26px, 3.6vw, 52px);
  padding-bottom: clamp(38px, 5vw, 68px);
  border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 72px;
  color: #fff;
  background: linear-gradient(150deg, var(--soil-deep) 0%, #42160F 52%, var(--forest-deep) 100%);
  overflow: hidden;
}

.page-contact .contact-hero__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 226, 60, .22), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero__panel .crumb,
.page-contact .contact-hero__panel .crumb a {
  color: rgba(255, 255, 255, .74);
}

.page-contact .contact-hero__index {
  margin: clamp(18px, 2.4vw, 30px) 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--flash);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: .9;
  letter-spacing: .01em;
  color: #fff;
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(255, 255, 255, .84);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 1400 / 850;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--forest-deep);
}

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

/* ---------- 合作方向 ---------- */
.page-contact .contact-ways,
.page-contact .contact-scene,
.page-contact .contact-fit,
.page-contact .contact-flow-sec,
.page-contact .contact-gain {
  padding-block: clamp(36px, 4.8vw, 68px);
}

.page-contact .contact-split {
  display: grid;
  gap: var(--contact-gap-lg);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .contact-ways__list {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-contact .way-card {
  padding: clamp(22px, 2.7vw, 34px);
  border-radius: var(--r-lg);
  color: #fff;
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-contact .way-card--soil {
  background: linear-gradient(145deg, var(--soil) 0%, var(--soil-deep) 100%);
}

.page-contact .way-card--forest {
  background: linear-gradient(145deg, var(--forest) 0%, var(--forest-deep) 100%);
}

.page-contact .way-card:hover,
.page-contact .way-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--contact-shadow);
}

.page-contact .way-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: rgba(242, 226, 60, .9);
}

.page-contact .way-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.3vw, 27px);
  line-height: 1.15;
  color: #fff;
}

.page-contact .way-card__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(255, 255, 255, .86);
}

.page-contact .way-card__fit {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, .22);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
  opacity: .82;
  transition: opacity .25s ease;
}

.page-contact .way-card__fit span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--flash);
}

.page-contact .way-card:hover .way-card__fit,
.page-contact .way-card:focus-within .way-card__fit {
  opacity: 1;
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-panel {
  min-width: 0;
}

.page-contact .contact-panel__inner {
  position: relative;
  padding: clamp(24px, 2.8vw, 36px);
  border-radius: var(--r-lg);
  color: #fff;
  background: linear-gradient(165deg, #1B2126 0%, #23303A 42%, var(--forest-deep) 100%);
  overflow: hidden;
}

.page-contact .contact-panel__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--flash), var(--tech));
}

.page-contact .contact-panel__inner .card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--flash);
}

.page-contact .contact-panel__inner .card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.4vw, 28px);
  line-height: 1.16;
  color: #fff;
}

.page-contact .contact-panel__meta {
  margin: 22px 0 0;
}

.page-contact .meta-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}

.page-contact .meta-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .58);
}

.page-contact .meta-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: #fff;
  word-break: break-word;
}

.page-contact .meta-val--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--flash);
}

.page-contact .contact-panel__tip {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(242, 226, 60, .42);
  background: rgba(242, 226, 60, .1);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .9);
}

/* ---------- 本地基础 ---------- */
.page-contact .contact-scene__grid {
  display: grid;
  gap: var(--contact-gap-lg);
  align-items: center;
}

.page-contact .contact-scene__media {
  position: relative;
  margin: 0;
  aspect-ratio: 1200 / 700;
  border-radius: var(--r-lg) 88px var(--r-lg) var(--r-lg);
  overflow: hidden;
  background: var(--soil-deep);
}

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

.page-contact .contact-scene__media .media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .92);
  background: linear-gradient(180deg, rgba(14, 59, 42, 0), rgba(14, 59, 42, .88));
}

.page-contact .contact-scene__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: .98;
  color: var(--graphite);
}

.page-contact .contact-scene__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 适合谁 ---------- */
.page-contact .contact-fit {
  background: linear-gradient(180deg, transparent, rgba(238, 241, 243, .9) 18%, rgba(238, 241, 243, .9) 82%, transparent);
}

.page-contact .contact-fit__grid {
  display: grid;
  gap: clamp(16px, 2vw, 26px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .fit-item {
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: #fff;
}

.page-contact .fit-item--soil {
  border-top: 3px solid var(--soil);
}

.page-contact .fit-item--forest {
  border-top: 3px solid var(--forest);
}

.page-contact .fit-item--tech {
  border-top: 3px solid var(--tech);
}

.page-contact .fit-item--mist {
  border-top: 3px solid var(--ink-mute);
}

.page-contact .fit-item__who {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.2;
  color: var(--graphite);
}

.page-contact .fit-item__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-soft);
}

/* ---------- 对接流程 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(14px, 1.8vw, 24px);
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flow > li {
  position: relative;
}

.page-contact .flow-step {
  height: 100%;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--mist);
  transition: background .22s ease, border-color .22s ease;
}

.page-contact .flow-step[open] {
  background: #fff;
  border-color: var(--soil);
}

.page-contact .flow-step > summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
  cursor: pointer;
}

.page-contact .flow-step > summary::-webkit-details-marker {
  display: none;
}

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

.page-contact .flow-step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--soil);
}

.page-contact .flow-step[open] .flow-step__no {
  color: var(--tech);
}

.page-contact .flow-step__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.15;
  color: var(--graphite);
}

.page-contact .flow-step__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--ink-soft);
}

/* ---------- 合作资源 ---------- */
.page-contact .contact-gain__grid {
  display: grid;
  gap: clamp(16px, 2vw, 26px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .gain-item {
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, var(--mist) 0%, #fff 100%);
  border: 1px solid var(--line);
}

.page-contact .gain-item__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--forest);
}

.page-contact .gain-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.16;
  color: var(--graphite);
}

.page-contact .gain-item__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-soft);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  margin-top: clamp(20px, 3vw, 40px);
  padding-block: clamp(46px, 6vw, 88px);
  color: #fff;
  background:
    radial-gradient(760px 320px at 92% 8%, rgba(45, 107, 232, .24), transparent 66%),
    linear-gradient(135deg, var(--soil-deep) 0%, #40160F 46%, var(--forest-deep) 100%);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.page-contact .sec-index--light {
  color: var(--flash);
}

.page-contact .contact-reach__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 52px);
  line-height: .96;
  color: #fff;
}

.page-contact .contact-reach__lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.76;
  color: rgba(255, 255, 255, .78);
}

.page-contact .contact-reach__grid {
  display: grid;
  gap: clamp(28px, 3.4vw, 56px);
  margin-top: clamp(26px, 3.4vw, 46px);
}

.page-contact .reach-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.page-contact .reach-row__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .6);
}

.page-contact .reach-row__val {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.6;
  color: #fff;
  word-break: break-word;
}

.page-contact .reach-row__val--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--flash);
}

.page-contact .contact-reach__hint {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(242, 226, 60, .4);
  background: rgba(242, 226, 60, .1);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .92);
}

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

.page-contact .contact-reach__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--r-md);
  color: #fff;
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease;
}

.page-contact .contact-reach__links a:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(242, 226, 60, .62);
}

.page-contact .contact-reach__links a:focus-visible {
  outline: 2px solid var(--flash);
  outline-offset: 2px;
}

.page-contact .contact-reach__links a span:last-child {
  flex: none;
  color: var(--flash);
  transition: transform .2s ease;
}

.page-contact .contact-reach__links a:hover span:last-child {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .reach-row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-flow > li:nth-child(even) {
    transform: translateY(18px);
  }

  .page-contact .contact-flow > li:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 22px;
    right: calc(-1 * var(--contact-gap-lg) / 2);
    transform: translateX(50%);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--line);
    pointer-events: none;
  }

  .page-contact .contact-gain__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-gain__grid > .gain-item:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .contact-gain__grid > .gain-item:nth-child(3) {
    margin-top: 52px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-scene__grid {
    grid-template-columns: minmax(0, 5.2fr) minmax(0, 6.8fr);
  }

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

  .page-contact .contact-reach__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 6.2fr) minmax(0, 5.8fr);
    align-items: end;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-panel {
    position: sticky;
    top: calc(var(--head-h-scrolled) + 20px);
    align-self: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-fit__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(20px, 2.2vw, 30px);
  }

  .page-contact .fit-item:nth-child(1) {
    grid-column: 1 / span 5;
  }

  .page-contact .fit-item:nth-child(2) {
    grid-column: 7 / span 6;
    margin-top: 44px;
  }

  .page-contact .fit-item:nth-child(3) {
    grid-column: 1 / span 6;
  }

  .page-contact .fit-item:nth-child(4) {
    grid-column: 8 / span 5;
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .way-card,
  .page-contact .flow-step,
  .page-contact .way-card__fit,
  .page-contact .contact-reach__links a,
  .page-contact .contact-reach__links a span:last-child {
    transition: none;
  }

  .page-contact .way-card:hover,
  .page-contact .contact-flow > li:nth-child(even) {
    transform: none;
  }
}