.page-contact {
  --pc-edge: rgba(244, 241, 255, .14);
  --pc-edge-hot: var(--neon);
  --pc-surface-a: #241A3D;
  --pc-surface-b: #140E24;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 100% at 8% -10%, rgba(122, 59, 255, .34), transparent 60%),
    radial-gradient(90% 80% at 96% 0%, rgba(34, 211, 255, .14), transparent 58%),
    linear-gradient(180deg, var(--ink-3) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 40px);
  font-size: 13px;
  color: var(--muted);
}

.page-contact .breadcrumbs__item {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .breadcrumbs__sep {
  color: rgba(167, 156, 199, .5);
}

.page-contact .breadcrumbs__item--current {
  color: var(--paper);
}

.page-contact a.breadcrumbs__item:hover {
  color: var(--volt);
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .contact-hero .page-head__title {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(30px, 7vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
  text-shadow: 3px 3px 0 rgba(122, 59, 255, .5), -2px -2px 0 rgba(34, 211, 255, .24);
}

.page-contact .contact-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 241, 255, .78);
}

/* ---------- 区块节拍 ---------- */

.page-contact .contact-paths,
.page-contact .contact-flow,
.page-contact .contact-routing,
.page-contact .contact-coop,
.page-contact .contact-hours {
  padding: clamp(40px, 7vw, 86px) 0;
}

.page-contact .contact-tail {
  padding: clamp(34px, 5vw, 60px) 0;
}

.page-contact .section-head {
  max-width: 70ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .section-head__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三条联系路径 ---------- */

.page-contact .paths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 22px 24px;
  border: 1px solid var(--pc-edge);
  border-radius: 2px;
  background: linear-gradient(160deg, var(--pc-surface-a) 0%, var(--pc-surface-b) 100%);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  border-color: var(--pc-edge-hot);
  box-shadow: 0 0 0 1px rgba(122, 59, 255, .32), var(--shadow);
}

.page-contact .path-card .card__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .path-card .card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .path-value {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-edge);
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .path-value a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 255, .3);
}

.page-contact .path-value a:hover {
  border-bottom-color: var(--volt);
}

.page-contact .path-value__plain {
  color: var(--volt);
  letter-spacing: .04em;
}

.page-contact .path-action {
  margin: 0;
}

.page-contact .path-meta {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-edge);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mint);
}

.page-contact .paths-visual {
  margin: clamp(28px, 5vw, 52px) 0 0;
}

.page-contact .paths-visual .media-frame {
  aspect-ratio: 3 / 2;
}

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

/* ---------- 四步流程 ---------- */

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .flow-step {
  position: relative;
  padding: 26px 22px 30px 24px;
  border-left: 2px solid var(--neon);
  background: linear-gradient(155deg, var(--pc-surface-a) 0%, var(--pc-surface-b) 100%);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-contact .flow-step:hover {
  border-left-color: var(--volt);
  background: linear-gradient(155deg, #2C2049 0%, var(--pc-surface-b) 100%);
}

.page-contact .flow-step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .flow-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow-note {
  max-width: 76ch;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 198, 92, .06);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 255, .8);
}

.page-contact .flow-visual {
  margin: clamp(28px, 5vw, 52px) 0 0;
}

/* ---------- 问题分类 ---------- */

.page-contact .topic-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .topic--rules { --topic-color: var(--volt); }
.page-contact .topic--rooms { --topic-color: var(--neon); }
.page-contact .topic--season { --topic-color: var(--gold); }
.page-contact .topic--replay { --topic-color: var(--pulse); }
.page-contact .topic--account { --topic-color: var(--mint); }

.page-contact .topic {
  border: 1px solid var(--pc-edge);
  border-left: 3px solid var(--topic-color, var(--neon));
  border-radius: 2px;
  background: linear-gradient(160deg, var(--pc-surface-a) 0%, var(--pc-surface-b) 100%);
  transition: box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .topic[open] {
  box-shadow: 0 0 0 1px var(--topic-color, var(--neon));
}

.page-contact .topic__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .topic__head::after {
  content: "+";
  order: 3;
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--topic-color, var(--neon));
}

.page-contact .topic[open] .topic__head::after {
  content: "–";
}

.page-contact .topic__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .topic[open] .topic__title {
  color: var(--topic-color, var(--neon));
}

.page-contact .topic__hint {
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .topic__body {
  padding: 16px 20px 22px;
  border-top: 1px solid var(--pc-edge);
}

.page-contact .topic__body p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 合作洽谈 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .coop-prep__title {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--neon);
}

.page-contact .coop-mail {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 255, .78);
  word-break: break-word;
}

.page-contact .coop-mail a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 255, .3);
  word-break: break-all;
}

.page-contact .coop-forms {
  display: grid;
  gap: 14px;
}

.page-contact .coop-form {
  padding: 22px 20px;
  border: 1px solid var(--pc-edge);
  border-radius: 2px;
  background: linear-gradient(160deg, rgba(36, 26, 61, .8) 0%, rgba(20, 14, 36, .9) 100%);
  transition: border-color .18s var(--ease);
}

.page-contact .coop-form:hover {
  border-color: rgba(122, 59, 255, .6);
}

.page-contact .coop-form__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border: 1px solid rgba(255, 198, 92, .45);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .coop-form__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .coop-form__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(167, 156, 199, .7);
}

.page-contact .hours-bar {
  position: relative;
  height: 46px;
  border: 1px solid var(--pc-edge);
  border-radius: 2px;
  background-color: var(--ink);
  overflow: hidden;
}

.page-contact .hours-bar__band {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 41.6667%;
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: linear-gradient(90deg, rgba(122, 59, 255, .9) 0%, rgba(34, 211, 255, .72) 100%);
}

.page-contact .hours-bar__label {
  font-family: var(--font-mono);
  font-size: clamp(11px, 2.6vw, 13px);
  letter-spacing: .06em;
  color: #0B0813;
  font-weight: 700;
}

.page-contact .hours-notes {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .hours-notes li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .hours-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--neon);
}

/* ---------- 收束 ---------- */

.page-contact .contact-tail__inner {
  display: grid;
  gap: 20px;
}

.page-contact .contact-tail__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 780px) {
  .page-contact .paths-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .topic-list {
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    align-items: start;
  }

  .page-contact .hours-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .coop-forms {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .paths-visual {
    width: min(100%, 820px);
    margin-left: auto;
  }

  .page-contact .flow-visual {
    width: min(100%, 780px);
    margin-left: auto;
  }

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

  .page-contact .coop-forms {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1000px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .page-contact .flow-step:nth-child(even) {
    margin-top: 16px;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero .page-head__title {
    text-shadow: 2px 2px 0 rgba(122, 59, 255, .45);
  }

  .page-contact .flow-step {
    clip-path: none;
  }

  .page-contact .topic__hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .flow-step,
  .page-contact .topic,
  .page-contact .coop-form {
    transition: none;
  }
}