/* ==========================================================
   合作与联系 /contact
   ========================================================== */
.page-contact {
  --pc-border: 3px solid var(--ink);
  background: var(--paper);
  color: var(--rock);
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact h2 {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--indigo);
  margin: 0 0 14px;
}

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

/* ---------- 按钮 ---------- */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: var(--pc-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}

.page-contact .btn:hover,
.page-contact .btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-contact .btn--primary {
  background: var(--orange);
  color: var(--ink);
}

.page-contact .btn--ghost {
  background: transparent;
  color: var(--cream);
  border-color: var(--cream);
  box-shadow: 4px 4px 0 rgba(11, 15, 26, .6);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: radial-gradient(120% 90% at 8% -20%, #26385f 0%, var(--indigo) 46%, var(--ink) 100%);
  color: var(--cream);
  padding: clamp(24px, 4vw, 56px) 0 0;
  border-bottom: var(--pc-border);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(242, 140, 40, .14) 0 1px, transparent 1px 52px);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(28px, 4vw, 56px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(246, 241, 231, .72);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--orange);
}

.page-contact .breadcrumb a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 241, 231, .45);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-bottom-color: var(--orange);
}

.page-contact .contact-hero .eyebrow {
  color: var(--orange);
}

.page-contact h1 {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--cream);
  margin: 0 0 18px;
}

.page-contact .contact-hero__lead {
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.85;
  max-width: 46ch;
  color: rgba(246, 241, 231, .86);
  margin: 0 0 26px;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  color: rgba(246, 241, 231, .75);
}

.page-contact .pc-num {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-contact .contact-hero__actions,
.page-contact .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 深色联系卡 */
.page-contact .contact-card {
  background: linear-gradient(155deg, var(--indigo-l) 0%, var(--ink) 100%);
  border: 3px solid var(--cream);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 var(--orange);
  padding: clamp(22px, 3.4vw, 34px);
}

.page-contact .contact-card h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  color: var(--cream);
  margin: 14px 0 4px;
}

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

.page-contact .contact-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(246, 241, 231, .22);
}

.page-contact .contact-item:first-child {
  border-top: 0;
  padding-top: 10px;
}

.page-contact .contact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--jade);
}

.page-contact .contact-value {
  font-family: var(--mono);
  font-size: clamp(.92rem, 2.6vw, 1.08rem);
  color: var(--cream);
  word-break: break-all;
}

.page-contact .contact-value--sm {
  font-family: var(--sans);
  font-size: .98rem;
  line-height: 1.7;
  word-break: normal;
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.page-contact .copy-btn,
.page-contact .contact-mail {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 7px 12px;
  border: 2px solid var(--orange);
  border-radius: var(--radius);
  background: transparent;
  color: var(--orange);
  text-decoration: none;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

.page-contact .copy-btn.is-copied {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--cream);
}

.page-contact .contact-card .contact-mail {
  border-color: rgba(246, 241, 231, .5);
  color: var(--cream);
}

.page-contact .contact-card .contact-mail:hover,
.page-contact .contact-card .contact-mail:focus-visible {
  background: rgba(246, 241, 231, .14);
  border-color: var(--cream);
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(246, 241, 231, .3);
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, .78);
}

.page-contact .contact-hero__figure-wrap {
  position: relative;
  padding-bottom: clamp(30px, 4vw, 60px);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 420px);
  object-fit: cover;
  border: 3px solid var(--cream);
  box-shadow: 8px 8px 0 var(--orange);
}

.page-contact .contact-hero__figure figcaption {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  line-height: 1.7;
  color: rgba(246, 241, 231, .72);
}

/* ---------- 区块头 ---------- */
.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .pc-head__lead {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.85;
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channel-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .pc-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--cream);
  border: var(--pc-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .pc-channel h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--indigo);
}

.page-contact .pc-channel p {
  margin: 0;
  font-size: .97rem;
  line-height: 1.8;
}

.page-contact .pc-channel__value {
  font-family: var(--mono);
  font-size: .95rem;
  color: var(--clay);
  word-break: break-all;
}

.page-contact .pc-channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 10px;
}

.page-contact .pc-channel .copy-btn {
  border-color: var(--clay);
  color: var(--clay);
}

.page-contact .pc-channel .copy-btn:hover,
.page-contact .pc-channel .copy-btn:focus-visible {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--cream);
}

.page-contact .pc-channel .copy-btn.is-copied {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--cream);
}

.page-contact .pc-channel .contact-mail {
  border-color: var(--indigo);
  color: var(--indigo);
}

.page-contact .pc-channel .contact-mail:hover,
.page-contact .pc-channel .contact-mail:focus-visible {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--cream);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop {
  background: var(--cream);
  border-top: var(--pc-border);
  border-bottom: var(--pc-border);
}

.page-contact .pc-coop__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .pc-coop__aside p {
  line-height: 1.85;
}

.page-contact .pc-coop__figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-contact .pc-coop__figure img {
  display: block;
  width: 100%;
  border: var(--pc-border);
  box-shadow: var(--shadow);
}

.page-contact .pc-coop__figure figcaption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .tabs {
  display: block;
}

.page-contact .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .tab {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  padding: 12px 16px;
  margin-bottom: -3px;
  border: var(--pc-border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--paper);
  color: var(--rock);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--indigo);
  color: var(--cream);
}

.page-contact .tab:hover {
  background: var(--indigo-l);
  color: var(--cream);
}

.page-contact .tab:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .tabpanel {
  background: var(--paper);
  border: var(--pc-border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .tabpanel[hidden] {
  display: none;
}

.page-contact .tabpanel h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--indigo);
}

.page-contact .tabpanel p {
  margin: 0 0 16px;
  line-height: 1.85;
}

.page-contact .tabpanel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .tabpanel li {
  position: relative;
  padding-left: 22px;
  font-size: .95rem;
  line-height: 1.78;
}

.page-contact .tabpanel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 10px;
  background: var(--jade);
}

/* ---------- 回访专栏咨询 ---------- */
.page-contact .pc-revisit {
  background: linear-gradient(180deg, var(--indigo) 0%, var(--ink) 100%);
  color: var(--cream);
}

.page-contact .pc-revisit h2 {
  color: var(--cream);
}

.page-contact .pc-revisit .eyebrow {
  color: var(--orange);
}

.page-contact .pc-revisit__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-revisit p {
  line-height: 1.85;
  color: rgba(246, 241, 231, .85);
}

.page-contact .pc-revisit .btn--primary {
  margin-top: 22px;
}

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

.page-contact .pc-steps li {
  position: relative;
  padding: 20px 0 20px 38px;
  border-top: 1px solid rgba(246, 241, 231, .22);
}

.page-contact .pc-steps li:first-child {
  border-top: 0;
}

.page-contact .pc-steps h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--cream);
}

.page-contact .pc-steps p {
  margin: 0;
  font-size: .93rem;
}

.page-contact .node-mark {
  position: absolute;
  left: 0;
  top: 24px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cream);
  border-radius: 50%;
  background: var(--rock);
  transition: background .3s var(--ease);
}

.page-contact [data-node].is-lit .node-mark {
  background: var(--orange);
}

/* ---------- 重庆本地 ---------- */
.page-contact .pc-local__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .pc-local__text > p {
  line-height: 1.85;
}

.page-contact .pc-local__list {
  display: grid;
  gap: 16px;
  margin: 22px 0 0;
}

.page-contact .pc-local__list dt {
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-contact .pc-local__list dd {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--indigo);
}

.page-contact .pc-local__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  background: var(--cream);
  border-left: 6px solid var(--orange);
  font-size: .95rem;
  line-height: 1.8;
}

.page-contact .pc-local__figure {
  margin: 0;
  background: var(--indigo);
  border: var(--pc-border);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 28px);
}

.page-contact .pc-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-local__figure figcaption {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(246, 241, 231, .8);
}

/* ---------- 备案与合规 ---------- */
.page-contact .pc-filing {
  background: var(--cream);
}

.page-contact .pc-filing__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .pc-filing__card {
  background: var(--paper);
  border: var(--pc-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .pc-filing__card p {
  margin: 0;
  line-height: 1.8;
}

.page-contact .pc-filing__value {
  font-family: var(--mono);
  font-size: clamp(1.05rem, 3vw, 1.45rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--indigo);
  margin: 12px 0 10px;
  word-break: break-all;
}

.page-contact .pc-filing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .pc-filing__links .btn--ghost {
  color: var(--indigo);
  border-color: var(--indigo);
  box-shadow: var(--shadow-sm);
}

.page-contact .pc-filing__links .btn--ghost:hover,
.page-contact .pc-filing__links .btn--ghost:focus-visible {
  background: var(--indigo);
  color: var(--cream);
  box-shadow: 7px 7px 0 var(--ink);
}

/* ---------- 收尾联系入口 ---------- */
.page-contact .pc-cta {
  padding: clamp(36px, 6vw, 72px) 0;
  background: var(--orange);
  color: var(--ink);
  border-top: var(--pc-border);
}

.page-contact .pc-cta__inner {
  display: grid;
  gap: 24px;
}

.page-contact .pc-cta h2 {
  color: var(--ink);
  margin: 0 0 10px;
}

.page-contact .pc-cta p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.8;
}

.page-contact .pc-cta .btn--primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--orange);
  box-shadow: 5px 5px 0 rgba(11, 15, 26, .35);
}

.page-contact .pc-cta .btn--ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
  box-shadow: 5px 5px 0 rgba(11, 15, 26, .25);
}

/* ---------- 渐显 ---------- */
.page-contact [data-reveal].is-visible {
  animation: pc-rise .6s var(--ease) both;
}

.page-contact [data-reveal].is-visible[data-delay="1"] {
  animation-delay: .08s;
}

.page-contact [data-reveal].is-visible[data-delay="2"] {
  animation-delay: .16s;
}

.page-contact [data-reveal].is-visible[data-delay="3"] {
  animation-delay: .24s;
}

@keyframes pc-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .pc-filing__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .pc-cta__inner {
    grid-template-columns: 1.4fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }

  .page-contact .pc-coop__inner {
    grid-template-columns: .85fr 1.15fr;
    align-items: start;
  }

  .page-contact .pc-revisit__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-contact .pc-local__inner {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal].is-visible {
    animation: none;
  }

  .page-contact .btn,
  .page-contact .copy-btn,
  .page-contact .contact-mail,
  .page-contact .node-mark,
  .page-contact .tab {
    transition: none;
  }

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