.page-contact {
  --pc-gap: clamp(16px, 2.8vw, 30px);
  --pc-pad: clamp(20px, 2.6vw, 32px);
  --pc-line: 1px solid var(--line-soft);
  --pc-panel-grad: linear-gradient(158deg, rgba(11, 31, 51, .96), rgba(11, 31, 51, .7) 58%, rgba(18, 58, 90, .55));
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: var(--pc-gap);
  padding-block: clamp(22px, 4.4vw, 52px) clamp(34px, 5.6vw, 68px);
  border-bottom: var(--pc-line);
}

.page-contact .contact-hero__title {
  font-size: clamp(34px, 5.4vw, 66px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin-top: 14px;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  margin-top: clamp(14px, 2vw, 22px);
  max-width: 34em;
  color: var(--text-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* 联系卡片 */
.page-contact .contact-card {
  position: relative;
  padding: var(--pc-pad);
  background: var(--pc-panel-grad);
  border: var(--pc-line);
  box-shadow: 0 26px 64px -46px rgba(54, 241, 224, .7);
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 8px 8px auto auto;
  width: 34px;
  height: 34px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  opacity: .8;
  pointer-events: none;
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(54, 241, 224, .45);
  box-shadow: var(--glow);
}

.page-contact .contact-card__stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
  border: 1px solid rgba(243, 188, 87, .5);
  padding: 4px 9px;
  margin-bottom: 18px;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 5px;
  padding-block: 13px;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .contact-card__row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-card__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .contact-card__value {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--cyan);
  word-break: break-all;
  line-height: 1.6;
}

.page-contact .contact-card__value--plain {
  color: var(--paper);
  font-family: var(--font-sans);
  word-break: normal;
}

.page-contact .contact-card__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  border-top: var(--pc-line);
  padding-block: clamp(32px, 5vw, 64px);
}

.page-contact .section:first-of-type {
  border-top: 0;
}

.page-contact .section__title {
  color: var(--paper);
  line-height: 1.28;
}

.page-contact .contact-section-lead {
  margin-block: clamp(14px, 2vw, 22px) clamp(22px, 3vw, 34px);
  max-width: 42em;
  color: var(--text-soft);
  font-size: clamp(16px, 1.9vw, 19px);
}

/* ---------- 合作方向 Bento ---------- */
.page-contact .coop-bento {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .coop-tile {
  position: relative;
  padding: var(--pc-pad);
  background: var(--panel);
  border: var(--pc-line);
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .coop-tile--lead {
  background: var(--pc-panel-grad);
  border-color: rgba(54, 241, 224, .3);
}

.page-contact .coop-tile:hover,
.page-contact .coop-tile:focus-within {
  transform: translateY(-4px);
  border-color: rgba(54, 241, 224, .5);
  box-shadow: var(--glow);
}

.page-contact .coop-tile .tag {
  margin-bottom: 16px;
}

.page-contact .coop-tile__title {
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 400;
  color: var(--paper);
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-contact .coop-tile__text {
  margin-top: 14px;
  color: var(--text-soft);
  line-height: 1.85;
  font-size: 15.5px;
}

.page-contact .coop-tile__list {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .coop-tile__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .coop-tile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .coop-figure {
  margin: 0;
  border: var(--pc-line);
  background: var(--sea);
  overflow: hidden;
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
  transition: transform .4s var(--ease);
}

.page-contact .coop-figure:hover img {
  transform: scale(1.02);
}

.page-contact .coop-figure__caption {
  display: block;
  padding: 12px 16px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  border-top: 1px dashed var(--line-soft);
  background: rgba(6, 17, 31, .6);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-board {
  border-top: 1px solid var(--line);
}

.page-contact .channel-row {
  display: grid;
  gap: 8px;
  padding-block: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .2s var(--ease);
}

.page-contact .channel-row:hover {
  background: rgba(18, 58, 90, .26);
}

.page-contact .channel-row__label {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel-row__main {
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--cyan);
  letter-spacing: .01em;
  word-break: break-all;
  line-height: 1.5;
}

.page-contact .channel-row__main--plain {
  font-family: var(--font-sans);
  color: var(--paper);
  word-break: normal;
}

.page-contact .channel-row__hint {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 58em;
}

.page-contact .channel-row--accent .channel-row__main--plain {
  color: var(--gold);
}

/* ---------- 响应流程 ---------- */
.page-contact .flow-wrap {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .flow {
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(16px, 2.4vw, 22px);
}

.page-contact .flow__step::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 56px;
  bottom: -6px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(243, 188, 87, .55), rgba(36, 68, 92, .25));
}

.page-contact .flow__step:last-child::after {
  display: none;
}

.page-contact .flow__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  font-size: 13px;
  color: var(--gold);
  border: 1px solid rgba(243, 188, 87, .45);
  background: rgba(6, 17, 31, .8);
  transition: color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .flow__step:hover .flow__num {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(243, 188, 87, .14);
}

.page-contact .flow__title {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 500;
  color: var(--paper);
  line-height: 1.5;
}

.page-contact .flow__text {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 46em;
}

.page-contact .flow-figure {
  margin: 0;
  border: var(--pc-line);
  background: var(--sea);
  overflow: hidden;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.8) contrast(1.06);
}

.page-contact .flow-figure__caption {
  display: block;
  padding: 12px 16px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  border-top: 1px dashed var(--line-soft);
  background: rgba(6, 17, 31, .6);
}

/* ---------- 合作资料 ---------- */
.page-contact .material-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .material-item {
  position: relative;
  padding: var(--pc-pad) var(--pc-pad) var(--pc-pad) calc(var(--pc-pad) - 4px);
  background: rgba(18, 58, 90, .22);
  border: var(--pc-line);
  border-left: 2px solid var(--teal);
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-contact .material-item:hover {
  transform: translateY(-4px);
  border-left-color: var(--cyan);
  background: rgba(18, 58, 90, .4);
}

.page-contact .material-item__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .material-item__title {
  margin-top: 10px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 500;
  color: var(--paper);
}

.page-contact .material-item__text {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-footnote {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .contact-footnote a,
.page-contact .support-list__a a,
.page-contact .support-legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 241, 224, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-footnote a:hover,
.page-contact .support-list__a a:hover,
.page-contact .support-legal a:hover,
.page-contact .contact-footnote a:focus-visible,
.page-contact .support-list__a a:focus-visible,
.page-contact .support-legal a:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--paper);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 支持范围 ---------- */
.page-contact .support-split {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .support-split__rail {
  padding: var(--pc-pad);
  background: var(--pc-panel-grad);
  border: var(--pc-line);
  align-self: start;
}

.page-contact .support-clock {
  font-size: clamp(20px, 3vw, 28px);
  color: var(--gold);
  letter-spacing: .04em;
  line-height: 1.4;
}

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

.page-contact .support-lead {
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 40em;
}

.page-contact .support-list {
  list-style: none;
  margin-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .support-list__item {
  display: grid;
  gap: 6px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .support-list__q {
  font-size: 15.5px;
  color: var(--paper);
  font-weight: 500;
  line-height: 1.6;
}

.page-contact .support-list__a {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .support-legal {
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-contact .material-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-contact .channel-row__label {
    padding-top: 6px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
  }

  .page-contact .coop-bento {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .coop-tile--lead {
    grid-column: 1 / span 7;
  }

  .page-contact .coop-tile--b {
    grid-column: 8 / span 5;
  }

  .page-contact .coop-tile--c {
    grid-column: 1 / span 5;
  }

  .page-contact .coop-figure {
    grid-column: 6 / span 7;
    align-self: stretch;
    display: flex;
    flex-direction: column;
  }

  .page-contact .coop-figure img {
    flex: 1 1 auto;
    height: 100%;
  }

  .page-contact .flow-wrap {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(24px, 4vw, 52px);
  }

  .page-contact .flow-figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .support-split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 1100px) {
  .page-contact .material-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .coop-tile,
  .page-contact .material-item,
  .page-contact .coop-figure img,
  .page-contact .flow__num {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within,
  .page-contact .coop-tile:hover,
  .page-contact .coop-tile:focus-within,
  .page-contact .material-item:hover,
  .page-contact .coop-figure:hover img {
    transform: none;
  }
}