.page-contact {
  --ct-ink-soft: rgba(8, 21, 26, .62);
  --ct-stand-soft: rgba(147, 174, 181, .18);
  padding-block: 26px 76px;
}

/* ---------- 窄栏骨架 ---------- */
.page-contact .ct-shell {
  max-width: 880px;
  margin-inline: auto;
}

.page-contact .breadcrumbs {
  margin-bottom: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-bottom: 26px;
  border-bottom: var(--line-soft);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 8.4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.022em;
  color: var(--paper);
  margin: .34em 0 0;
  text-wrap: balance;
}

.page-contact .ct-hero .lede {
  margin-top: 18px;
  max-width: 42ch;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.82;
}

/* ---------- 页首波纹图 ---------- */
.page-contact .ct-wave {
  margin: 30px 0 0;
}

.page-contact .ct-wave img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(147, 174, 181, .28);
  object-fit: cover;
}

.page-contact .ct-wave .img-caption {
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 区块小标题行 ---------- */
.page-contact .ct-block-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .ct-block-head .sec-note {
  margin: 0;
  max-width: 46ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .sec {
  margin-top: 46px;
}

/* ---------- 三项渠道通信条 ---------- */
.page-contact .ct-channels {
  margin-top: 46px;
}

.page-contact .ct-chan-strip {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(8, 21, 26, .9);
  box-shadow: 9px 9px 0 var(--stand);
}

.page-contact .ct-chan {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 18px 22px;
  border-bottom: var(--line-ink);
}

.page-contact .ct-chan:last-child {
  border-bottom: 0;
}

.page-contact .ct-chan-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ct-ink-soft);
}

.page-contact .ct-chan-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink);
}

.page-contact .ct-chan-val {
  display: block;
  align-self: flex-start;
  max-width: 100%;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: clamp(.94rem, 3.4vw, 1.06rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--flame);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px dashed rgba(255, 107, 44, .45);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .ct-chan-val:hover,
.page-contact .ct-chan-val:focus-visible {
  color: #d94e12;
  border-bottom-color: rgba(217, 78, 18, .8);
}

.page-contact .ct-chan-val--text {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--stand);
  border-bottom: 0;
  padding-bottom: 0;
  line-height: 1.7;
}

.page-contact .ct-chan-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stand);
}

.page-contact .ct-chan-foot {
  margin: 20px 0 0;
  font-size: 12.8px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 12px;
  border-left: 2px solid rgba(216, 179, 106, .5);
}

/* ---------- 队列顺序 ---------- */
.page-contact .ct-priority {
  margin-top: 52px;
}

.page-contact .ct-priority .sec-title {
  margin-bottom: 20px;
}

.page-contact .ct-pri-list {
  display: grid;
  gap: 20px;
}

.page-contact .ct-pri {
  display: grid;
  gap: 8px;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--ct-stand-soft);
}

.page-contact .ct-pri--first {
  border-left-color: var(--mint);
}

.page-contact .ct-pri--last {
  border-left-color: rgba(216, 179, 106, .55);
}

.page-contact .ct-pri h3 {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .ct-pri p {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  margin-top: 56px;
}

.page-contact .ct-coop-figure {
  margin: 0 0 24px;
}

.page-contact .ct-coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(216, 179, 106, .32);
  object-fit: cover;
}

.page-contact .ct-coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line-soft);
}

.page-contact .ct-coop-item {
  display: grid;
  gap: 12px;
  padding: 22px 0;
  border-bottom: var(--line-soft);
}

.page-contact .ct-coop-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--night);
  background: var(--sand);
  padding: 3px 11px 3px 9px;
  margin-bottom: 9px;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 90% 100%, 0 100%);
}

.page-contact .ct-coop-main h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .ct-coop-main p {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .ct-coop-eg {
  margin: 0;
  padding-left: 14px;
  border-left: var(--line-sand);
  font-size: 13px;
  line-height: 1.74;
  color: var(--sand);
  transition: opacity var(--ease-mid);
}

.page-contact .ct-coop-note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.74;
  color: var(--mist);
  padding-left: 12px;
  border-left: 2px solid rgba(147, 174, 181, .4);
}

/* ---------- 材料清单 ---------- */
.page-contact .ct-materials {
  margin-top: 56px;
}

.page-contact .ct-mat-grid {
  display: grid;
  gap: 14px;
}

.page-contact .ct-mat {
  background: var(--stand);
  border-top: 2px solid var(--flame);
  padding: 18px 18px 20px;
}

.page-contact .ct-mat h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

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

.page-contact .ct-mat li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .ct-mat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--sand);
}

/* ---------- 合规与口径 ---------- */
.page-contact .ct-legal {
  margin-top: 58px;
  padding-top: 22px;
  border-top: 2px solid var(--sand);
}

.page-contact .ct-legal .sec-title {
  margin-bottom: 16px;
}

.page-contact .ct-legal-rows {
  display: grid;
  gap: 1px;
  background: rgba(147, 174, 181, .2);
  border: var(--line-soft);
}

.page-contact .ct-legal-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  background: var(--night);
  padding: 12px 14px;
}

.page-contact .ct-legal-k {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-legal-v {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-legal-v.num {
  color: var(--sand);
}

.page-contact .ct-legal-note {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-legal-note a {
  color: var(--flame);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, .4);
  transition: border-color var(--ease), color var(--ease);
}

.page-contact .ct-legal-note a:hover,
.page-contact .ct-legal-note a:focus-visible {
  color: var(--flame-soft);
  border-bottom-color: var(--flame-soft);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 760px) {
  .page-contact {
    padding-block: 34px 96px;
  }

  .page-contact .ct-chan-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-chan {
    border-bottom: 0;
    border-right: var(--line-ink);
    padding: 22px 20px 26px;
  }

  .page-contact .ct-chan:last-child {
    border-right: 0;
  }

  .page-contact .ct-pri-list {
    gap: 24px;
  }

  .page-contact .ct-coop-item {
    grid-template-columns: minmax(0, 1fr) 254px;
    gap: 30px;
    align-items: start;
    padding: 26px 0;
  }

  .page-contact .ct-mat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-contact .ct-hero .lede {
    font-size: 16px;
  }
}

/* ---------- 桌面：悬停展开示例 ---------- */
@media (min-width: 1024px) and (hover: hover) {
  .page-contact .ct-coop-eg {
    opacity: 0;
  }

  .page-contact .ct-coop-item:hover .ct-coop-eg,
  .page-contact .ct-coop-item:focus-within .ct-coop-eg {
    opacity: 1;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan-val,
  .page-contact .ct-coop-eg,
  .page-contact .ct-legal-note a {
    transition: none;
  }

  .page-contact .ct-coop-eg {
    opacity: 1;
  }
}