.page-contact {
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(154, 166, 194, .5);
}

.page-contact .breadcrumb-link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-1) var(--ease);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 36px);
  position: relative;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 18px;
}

.page-contact .contact-hero-copy {
  max-width: 66ch;
  display: grid;
  gap: 14px;
}

.page-contact .contact-hero-copy .label {
  color: var(--gold);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-hero-media {
  margin: clamp(22px, 3.5vw, 42px) 0 0;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--ink-2);
  position: relative;
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(7, 11, 28, .55), rgba(7, 11, 28, .1) 55%, rgba(53, 231, 224, .14));
  pointer-events: none;
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* ---------- 区块通用头 ---------- */
.page-contact .coop-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3.5vw, 38px);
  max-width: 72ch;
}

.page-contact .coop-head .label {
  color: var(--cyan);
}

.page-contact .coop-head h2 {
  margin: 0;
}

.page-contact .coop-head-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-paths {
  position: relative;
}

.page-contact .coop-grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  grid-template-columns: 1fr;
}

.page-contact .coop-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .coop-aside-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40ch;
}

.page-contact .coop-aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-aside-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .coop-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .coop-aside-media {
  margin: 4px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .coop-aside-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

.page-contact .coop-panel {
  position: relative;
  background: linear-gradient(150deg, rgba(22, 34, 77, .82), rgba(7, 11, 28, .88));
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-s);
  overflow: hidden;
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}

.page-contact .coop-panel[open] {
  border-left-color: var(--gold);
}

.page-contact .coop-panel-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx title"
    "idx meta";
  gap: 6px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .coop-panel-summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-panel-summary::marker {
  content: "";
}

.page-contact .coop-panel-idx {
  grid-area: idx;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .coop-panel[open] .coop-panel-idx {
  color: var(--gold);
}

.page-contact .coop-panel-title {
  grid-area: title;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .coop-panel-meta {
  grid-area: meta;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-panel-body {
  border-top: 1px solid var(--line);
  padding: 16px 20px 22px;
  display: grid;
  gap: 12px;
}

.page-contact .coop-panel-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .coop-panel-body .label {
  color: var(--cyan-soft);
  margin-top: 4px;
}

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

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  opacity: .8;
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: flow;
}

.page-contact .flow-step {
  position: relative;
  padding: 22px 20px 22px;
  background: linear-gradient(160deg, rgba(22, 34, 77, .7), rgba(7, 11, 28, .62));
  border: 1px solid var(--line);
  border-top: 2px solid rgba(53, 231, 224, .38);
  border-radius: var(--r-s);
}

.page-contact .flow-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-contact .flow-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .flow-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-zone {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

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

.page-contact .contact-zone-lead .label {
  color: var(--magenta);
}

.page-contact .contact-zone-lead h2 {
  margin: 0;
  color: var(--paper);
}

.page-contact .contact-zone-lead p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 44ch;
}

.page-contact .contact-card {
  background: var(--paper);
  color: var(--ink-text);
  border-radius: var(--r-l);
  overflow: hidden;
  display: grid;
  border: 1px solid rgba(18, 16, 14, .12);
  box-shadow: 0 22px 50px rgba(4, 7, 20, .45);
}

.page-contact .contact-card-head {
  padding: 22px 22px 16px;
  border-bottom: 1px solid rgba(18, 16, 14, .12);
  background: linear-gradient(120deg, rgba(246, 179, 60, .16), rgba(53, 231, 224, .1));
}

.page-contact .contact-card-head .label {
  color: var(--gold-deep);
}

.page-contact .contact-card-head h3 {
  margin: 6px 0 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink-text);
}

.page-contact .contact-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(18, 16, 14, .1);
}

.page-contact .contact-key {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #6b6459;
}

.page-contact .contact-val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
  color: var(--ink-text);
}

.page-contact .contact-note {
  font-size: 13px;
  line-height: 1.7;
  color: #5c554b;
}

.page-contact .contact-card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 22px 24px;
}

/* ---------- 工单反馈 ---------- */
.page-contact .ticket-band {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
  padding: clamp(22px, 3.5vw, 38px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-l);
  background:
    linear-gradient(135deg, rgba(53, 231, 224, .1), rgba(7, 11, 28, .9) 42%, rgba(255, 77, 141, .09));
}

.page-contact .ticket-copy {
  display: grid;
  gap: 12px;
  align-content: start;
  max-width: 52ch;
}

.page-contact .ticket-copy .label {
  color: var(--cyan);
}

.page-contact .ticket-copy h2 {
  margin: 0;
  color: var(--paper);
}

.page-contact .ticket-copy p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ticket-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ticket-points li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-contact .ticket-strong {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .ticket-points span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  display: grid;
  gap: 12px;
}

.page-contact .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: rgba(14, 23, 56, .62);
  overflow: hidden;
  transition: border-color var(--dur-2) var(--ease);
}

.page-contact .faq-item[open] {
  border-color: var(--line-cyan);
}

.page-contact .faq-summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .faq-summary::marker {
  content: "";
}

.page-contact .faq-summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}

.page-contact .faq-item[open] .faq-summary::before {
  content: "–";
  color: var(--gold);
}

.page-contact .faq-q {
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .faq-body {
  padding: 0 20px 20px 50px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-contact .faq-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-footband {
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .footband-inner {
  display: grid;
  gap: 20px;
  padding-top: clamp(22px, 3.5vw, 34px);
  border-top: 1px solid var(--line-cyan);
  position: relative;
}

.page-contact .footband-inner::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 96px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.page-contact .footband-main {
  display: grid;
  gap: 8px;
}

.page-contact .footband-main .label {
  color: var(--mist);
}

.page-contact .footband-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  max-width: 46ch;
}

.page-contact .footband-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .footband-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-contact .footband-links a {
  font-size: 13.5px;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-contact .footband-links a:hover,
.page-contact .footband-links a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .coop-panels {
    gap: 16px;
  }

  .page-contact .coop-panel:nth-child(2) {
    transform: translateX(10px);
  }

  .page-contact .coop-panel:nth-child(3) {
    transform: translateX(20px);
  }
}

@media (min-width: 860px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-contact .ticket-band {
    grid-template-columns: 1.25fr 1fr;
    gap: 34px;
    align-items: start;
  }

  .page-contact .footband-inner {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 32px;
  }

  .page-contact .footband-links {
    justify-content: flex-end;
    max-width: 46ch;
  }
}

@media (min-width: 940px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(230px, 300px) 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-zone {
    grid-template-columns: minmax(260px, 380px) 1fr;
    gap: 44px;
    align-items: start;
  }

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

@media (max-width: 480px) {
  .page-contact .contact-hero h1 {
    max-width: none;
    font-size: clamp(30px, 9vw, 40px);
  }

  .page-contact .faq-body {
    padding-left: 20px;
  }

  .page-contact .contact-card-foot .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-panel,
  .page-contact .faq-item,
  .page-contact .faq-summary::before,
  .page-contact .breadcrumb-link,
  .page-contact .footband-links a {
    transition: none;
  }

  .page-contact .coop-panel:nth-child(2),
  .page-contact .coop-panel:nth-child(3) {
    transform: none;
  }
}