/* ===== 乐动体育平台 · 商务合作页 ===== */
.page-contact {
  position: relative;
}

@keyframes pcFade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- 首屏 ---------- */
.page-contact .hero-coop {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--head-h) + 44px) 0 52px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .hero-coop__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 32%;
}

.page-contact .hero-coop__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  background:
    radial-gradient(120% 88% at 84% 6%, rgba(255, 106, 26, 0.24), transparent 58%),
    radial-gradient(96% 78% at 4% 96%, rgba(43, 227, 208, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(7, 11, 18, 0.52) 0%, rgba(7, 11, 18, 0.86) 56%, var(--ink) 100%);
}

.page-contact .hero-coop__inner {
  position: relative;
}

.page-contact .hero-coop__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--snow);
  max-width: 15ch;
}

.page-contact .hero-coop__lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 44ch;
}

.page-contact .hero-coop__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-contact .hero-coop__stat {
  flex: 1 1 132px;
  min-width: 0;
}

.page-contact .hero-coop__stat b {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(20px, 5vw, 26px);
  line-height: 1.1;
  color: var(--snow);
}

.page-contact .hero-coop__stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
}

.page-contact .hero-coop__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 区块标题 ---------- */
.page-contact .sec-head {
  margin-bottom: 28px;
}

.page-contact .sec-head .h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .sec-head__desc {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 52ch;
}

/* ---------- 合作类型切换 ---------- */
.page-contact .coop-switch {
  position: relative;
}

.page-contact .coop-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .coop-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-contact .coop-tabs::-webkit-scrollbar {
  display: none;
}

.page-contact .coop-tab {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  background: rgba(168, 203, 255, 0.07);
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .coop-tab__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--flame);
  transition: color var(--dur) var(--ease);
}

.page-contact #coop-media:checked ~ .coop-tabs .coop-tab[for="coop-media"],
.page-contact #coop-youth:checked ~ .coop-tabs .coop-tab[for="coop-youth"],
.page-contact #coop-api:checked ~ .coop-tabs .coop-tab[for="coop-api"],
.page-contact #coop-editorial:checked ~ .coop-tabs .coop-tab[for="coop-editorial"] {
  background: linear-gradient(100deg, var(--flame), #ff9147);
  color: #08111E;
}

.page-contact #coop-media:checked ~ .coop-tabs .coop-tab[for="coop-media"] .coop-tab__num,
.page-contact #coop-youth:checked ~ .coop-tabs .coop-tab[for="coop-youth"] .coop-tab__num,
.page-contact #coop-api:checked ~ .coop-tabs .coop-tab[for="coop-api"] .coop-tab__num,
.page-contact #coop-editorial:checked ~ .coop-tabs .coop-tab[for="coop-editorial"] .coop-tab__num {
  color: #08111E;
  opacity: 0.72;
}

.page-contact #coop-media:focus-visible ~ .coop-tabs .coop-tab[for="coop-media"],
.page-contact #coop-youth:focus-visible ~ .coop-tabs .coop-tab[for="coop-youth"],
.page-contact #coop-api:focus-visible ~ .coop-tabs .coop-tab[for="coop-api"],
.page-contact #coop-editorial:focus-visible ~ .coop-tabs .coop-tab[for="coop-editorial"] {
  box-shadow: inset 0 0 0 2px var(--neon);
}

.page-contact .coop-panels {
  margin-top: 10px;
}

.page-contact .coop-panel {
  display: none;
  position: relative;
  padding: 24px 20px 26px;
  background: linear-gradient(158deg, var(--ink-2) 0%, #0A1626 100%);
  border: 1px solid var(--line);
  border-top: 0;
}

.page-contact #coop-media:checked ~ .coop-panels > #coop-panel-media,
.page-contact #coop-youth:checked ~ .coop-panels > #coop-panel-youth,
.page-contact #coop-api:checked ~ .coop-panels > #coop-panel-api,
.page-contact #coop-editorial:checked ~ .coop-panels > #coop-panel-editorial {
  display: block;
  animation: pcFade 200ms var(--ease);
}

.page-contact .coop-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--neon), var(--violet));
}

.page-contact .coop-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 4vw, 25px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .coop-panel__title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 3px;
  margin-right: 10px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--flame), var(--neon));
}

.page-contact .coop-panel__facts {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
}

.page-contact .coop-panel__facts dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-contact .coop-panel__facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 协作流程 ---------- */
.page-contact .flow__grid {
  display: grid;
  gap: 28px;
}

.page-contact .flow__steps {
  position: relative;
  padding-left: 20px;
}

.page-contact .flow__steps::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--flame), var(--neon) 58%, transparent);
}

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

.page-contact .flow__item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .flow__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--snow);
  transition: color var(--dur) var(--ease);
}

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

.page-contact .flow__sum:hover,
.page-contact .flow__item[open] > .flow__sum {
  color: var(--ice);
}

.page-contact .flow__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--flame);
}

.page-contact .flow__name {
  min-width: 0;
}

.page-contact .flow__plus {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
  width: 16px;
  height: 16px;
}

.page-contact .flow__plus::before,
.page-contact .flow__plus::after {
  content: "";
  position: absolute;
  background: var(--ice);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-contact .flow__plus::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-contact .flow__plus::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-contact .flow__item[open] .flow__plus::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .flow__body {
  padding: 0 0 20px;
  animation: pcFade 200ms var(--ease);
}

.page-contact .flow__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 46ch;
}

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

.page-contact .flow__mats li {
  padding: 6px 11px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ice);
  background: rgba(43, 227, 208, 0.08);
  border-left: 2px solid var(--neon);
}

.page-contact .flow__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: #0A1626;
  overflow: hidden;
}

.page-contact .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .flow__figure figcaption {
  padding: 14px 18px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 联系渠道与覆盖 ---------- */
.page-contact .reach__grid {
  display: grid;
  gap: 24px;
}

.page-contact .channel-card {
  position: relative;
  margin-bottom: 14px;
  padding: 20px 20px 20px 24px;
  background: linear-gradient(152deg, var(--ink-2) 0%, #0A1626 100%);
  border: 1px solid var(--line);
}

.page-contact .channel-card:last-child {
  margin-bottom: 0;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--flame), var(--neon));
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .channel-card__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(17px, 5vw, 25px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(14px, 3.9vw, 21px);
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .reach__map {
  position: relative;
  padding: 24px 20px 26px;
  background:
    radial-gradient(120% 110% at 100% 100%, rgba(23, 67, 160, 0.42), transparent 62%),
    #0A1626;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .reach__map-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-contact .reach__arcs {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 0 12px;
}

.page-contact .reach__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--text-soft);
}

.page-contact .reach__legend li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-contact .reach__pin {
  width: 8px;
  height: 8px;
  background: var(--flame);
  transform: rotate(45deg);
}

.page-contact .reach__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .reach__tempo {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .reach__tempo-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .reach__tempo ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .reach__tempo li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .reach__tempo li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--neon));
}

/* ---------- 名单与数据异议 ---------- */
.page-contact .dispute__panel {
  position: relative;
  padding: 26px 20px 28px;
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-contact .dispute__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 52ch;
}

.page-contact .dispute__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-contact .dispute__step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .dispute__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--flame);
  border: 1px solid rgba(255, 106, 26, 0.42);
  transform: rotate(-6deg);
}

.page-contact .dispute__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .dispute__step a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 延伸入口 ---------- */
.page-contact .coop-more__inner {
  display: grid;
  gap: 24px;
}

.page-contact .coop-more__text .h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .coop-more__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 48ch;
}

.page-contact .coop-more__text a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .coop-more__links {
  display: grid;
  gap: 10px;
}

.page-contact .coop-more__link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  background: rgba(168, 203, 255, 0.05);
  border-left: 3px solid var(--blue);
  color: var(--snow);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .coop-more__link:hover,
.page-contact .coop-more__link:focus-visible {
  transform: translateY(-4px);
  background: rgba(168, 203, 255, 0.1);
  border-left-color: var(--flame);
}

.page-contact .coop-more__link-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
}

.page-contact .coop-more__link-desc {
  font-size: 13px;
  color: var(--steel);
}

.page-contact .page-contact__icp {
  margin: 32px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-panel {
    padding: 28px 30px 30px;
  }

  .page-contact .coop-panel__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }

  .page-contact .reach__channels {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .channel-card {
    margin-bottom: 0;
  }

  .page-contact .channel-card:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-contact .hero-coop {
    padding: calc(var(--head-h) + 72px) 0 72px;
  }

  .page-contact .hero-coop__title {
    max-width: 18ch;
  }

  .page-contact .flow__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .flow__figure {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-contact .coop-more__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

  .page-contact .coop-tabs {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (min-width: 1020px) {
  .page-contact .reach__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .dispute__panel {
    padding: 36px 38px 40px;
  }

  .page-contact .dispute__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-more__link,
  .page-contact .coop-tab {
    transition: none;
  }

  .page-contact .coop-more__link:hover,
  .page-contact .coop-more__link:focus-visible {
    transform: none;
  }

  .page-contact .coop-panel,
  .page-contact .flow__body {
    animation: none;
  }
}