.page-contact {
  background: var(--yk-ink);
  color: var(--yk-cream);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .yk-breadcrumb {
  max-width: var(--yk-shell);
  margin: 0 auto;
  padding: 22px var(--yk-gutter) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.page-contact .yk-breadcrumb__item {
  color: var(--yk-mist);
  text-decoration: none;
  transition: color .18s var(--yk-ease);
}
.page-contact .yk-breadcrumb__item + .yk-breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--yk-stone);
}
.page-contact .yk-breadcrumb__item:hover { color: var(--yk-cyan); }
.page-contact .yk-breadcrumb__item[aria-current="page"] { color: var(--yk-cyan); }

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 52px;
  border-bottom: 1px solid var(--yk-line);
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(59, 232, 200, .07) 0 1px,
    transparent 1px 16px
  );
  pointer-events: none;
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  background: linear-gradient(158deg, rgba(59, 232, 200, .16), rgba(59, 232, 200, 0) 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-contact .ct-hero .yk-shell { position: relative; z-index: 1; }

.page-contact .ct-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yk-cyan);
}
.page-contact .ct-hero__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--yk-cyan);
}
.page-contact .ct-hero__title {
  margin: 18px 0 0;
  font-size: clamp(36px, 9vw, 68px);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.04;
  color: var(--yk-cream);
}
.page-contact .ct-hero__lede {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yk-mist);
}
.page-contact .ct-hero__lede strong {
  color: var(--yk-cream);
  font-weight: 500;
}

.page-contact .ct-hero__index {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--yk-line);
  border: 1px solid var(--yk-line);
}
.page-contact .ct-hero__indexitem {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--yk-ink-2);
  font-size: 14px;
  color: var(--yk-cream);
}
.page-contact .ct-hero__indexnum {
  color: var(--yk-cyan);
  font-size: 12px;
  letter-spacing: .16em;
  flex: none;
}

/* ---------- 章节与标题 ---------- */
.page-contact .ct-section { padding: 56px 0 0; }
.page-contact .ct-section--channels { padding-top: 48px; }

.page-contact .ct-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--yk-line);
}
.page-contact .ct-head__num {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--yk-cyan);
  flex: none;
}
.page-contact .ct-head__title {
  margin: 0;
  font-size: clamp(21px, 5.4vw, 29px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--yk-cream);
}

.page-contact .ct-text {
  margin: 0 0 16px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yk-mist);
}
.page-contact .ct-hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yk-stone);
}

/* ---------- 图片 ---------- */
.page-contact .yk-media {
  margin: 0;
  overflow: hidden;
  background: var(--yk-ink-3);
  border: 1px solid var(--yk-line);
}
.page-contact .yk-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .ct-channels__media { margin: 0 0 26px; }
.page-contact .ct-channels__media .yk-media__img {
  aspect-ratio: 3 / 2;
  filter: saturate(.92) brightness(.9);
}

/* ---------- 三通道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  background: var(--yk-line);
  border: 1px solid var(--yk-line);
}
.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 20px 22px;
  background: var(--yk-ink-2);
}
.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--yk-stone);
}
.page-contact .ct-channel--cyan::before { background: var(--yk-cyan); }
.page-contact .ct-channel--orange::before { background: var(--yk-orange); }
.page-contact .ct-channel--clay::before { background: var(--yk-clay); }

.page-contact .ct-channel__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yk-stone);
}
.page-contact .ct-channel--cyan .ct-channel__idx { color: var(--yk-cyan); }
.page-contact .ct-channel--orange .ct-channel__idx { color: var(--yk-orange); }
.page-contact .ct-channel--clay .ct-channel__idx { color: var(--yk-clay); }

.page-contact .ct-channel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--yk-cream);
}
.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yk-mist);
}

/* ---------- 展开组 ---------- */
.page-contact .ct-fold { margin-top: auto; }
.page-contact .ct-fold__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 11px 0 3px;
  border: 0;
  border-top: 1px dashed var(--yk-line);
  background: transparent;
  color: var(--yk-cyan);
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: color .18s var(--yk-ease);
}
.page-contact .ct-fold__trigger:hover { color: var(--yk-cream); }
.page-contact .ct-fold__trigger:focus-visible {
  outline: 2px solid var(--yk-cyan);
  outline-offset: 2px;
}
.page-contact .ct-fold__icon {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
}
.page-contact .ct-fold__icon::before,
.page-contact .ct-fold__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform .2s var(--yk-ease), opacity .2s var(--yk-ease);
}
.page-contact .ct-fold__icon::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 1.5px;
}
.page-contact .ct-fold__icon::after {
  left: 5px;
  top: 0;
  width: 1.5px;
  height: 12px;
}
.page-contact .ct-fold__trigger[aria-expanded="true"] .ct-fold__icon::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-contact .ct-fold__panel {
  padding: 12px 0 2px;
}
.page-contact .ct-fold__panel[hidden] { display: none; }

.page-contact .yk-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .yk-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yk-mist);
}
.page-contact .yk-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 9px;
  height: 1.5px;
  background: var(--yk-cyan);
}

/* ---------- 主体分栏 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: 34px;
}
.page-contact .ct-split__main,
.page-contact .ct-split__side { min-width: 0; }

.page-contact .ct-block {
  padding-top: 38px;
  margin-top: 38px;
  border-top: 1px solid var(--yk-line);
}
.page-contact .ct-block:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

/* ---------- 联系行 ---------- */
.page-contact .ct-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 18px 0 0;
  padding: 15px 16px;
  background: var(--yk-ink-2);
  border-left: 3px solid var(--yk-cyan);
}
.page-contact .ct-line--orange { border-left-color: var(--yk-orange); }
.page-contact .ct-line__val {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--yk-cream);
  word-break: break-all;
}
.page-contact .ct-line--orange .ct-line__val {
  font-size: 19px;
  letter-spacing: .04em;
}
.page-contact .ct-copy {
  flex: none;
  appearance: none;
  padding: 8px 15px;
  border: 1px solid var(--yk-cyan);
  border-radius: 0;
  background: transparent;
  color: var(--yk-cyan);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background .18s var(--yk-ease), color .18s var(--yk-ease);
}
.page-contact .ct-copy:hover {
  background: var(--yk-cyan);
  color: var(--yk-ink);
}
.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--yk-cream);
  outline-offset: 2px;
}
.page-contact .ct-copy--orange {
  border-color: var(--yk-orange);
  color: var(--yk-orange);
}
.page-contact .ct-copy--orange:hover {
  background: var(--yk-orange);
  color: var(--yk-ink);
}
.page-contact .ct-copy[data-state="done"] {
  background: var(--yk-moss);
  border-color: var(--yk-moss);
  color: var(--yk-ink);
}

/* ---------- 班次表 ---------- */
.page-contact .ct-shifts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--yk-line);
}
.page-contact .ct-shift {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--yk-line);
  font-size: 14px;
  color: var(--yk-mist);
}
.page-contact .ct-shift__t {
  flex: none;
  min-width: 82px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--yk-moss);
}

/* ---------- 地址 ---------- */
.page-contact .ct-address {
  position: relative;
  margin-top: 18px;
  padding: 28px 20px;
  background: var(--yk-ink-2);
  border: 1px solid var(--yk-line);
  overflow: hidden;
}
.page-contact .ct-address::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--yk-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--yk-line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .4;
  pointer-events: none;
}
.page-contact .ct-address__val {
  position: relative;
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--yk-cream);
}
.page-contact .ct-address__meta {
  position: relative;
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--yk-stone);
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: 24px;
}
.page-contact .ct-coop__list { margin-top: 6px; }
.page-contact .ct-coop__media .yk-media__img {
  aspect-ratio: 14 / 9;
  filter: saturate(.9) brightness(.88);
}

/* ---------- 纠错三要素 ---------- */
.page-contact .ct-fields {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--yk-line);
  border: 1px solid var(--yk-line);
}
.page-contact .ct-field {
  display: flex;
  gap: 14px;
  padding: 18px 16px;
  background: var(--yk-ink-2);
}
.page-contact .ct-field__k {
  flex: none;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--yk-orange);
  padding-top: 3px;
}
.page-contact .ct-field__bd { min-width: 0; }
.page-contact .ct-field__t {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--yk-cream);
}
.page-contact .ct-field__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yk-mist);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-reply {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-reply__item {
  position: relative;
  padding: 16px 16px 16px 20px;
  background: var(--yk-ink-2);
  border-left: 3px solid var(--yk-stone);
}
.page-contact .ct-reply__item--orange { border-left-color: var(--yk-orange); }
.page-contact .ct-reply__item--clay { border-left-color: var(--yk-clay); }
.page-contact .ct-reply__item--cyan { border-left-color: var(--yk-cyan); }
.page-contact .ct-reply__tag {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yk-mist);
}
.page-contact .ct-reply__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yk-cream);
}

/* ---------- 侧栏清单 ---------- */
.page-contact .ct-check {
  border: 1px solid var(--yk-line);
  background: var(--yk-ink-2);
}
.page-contact .ct-check__title {
  margin: 0;
  padding: 14px 16px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yk-cyan);
  border-bottom: 1px solid var(--yk-line);
  background: var(--yk-ink-3);
}
.page-contact .ct-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .ct-check__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--yk-line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--yk-mist);
}
.page-contact .ct-check__box {
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 4px;
  border: 1px solid var(--yk-stone);
  background: transparent;
}
.page-contact .ct-check__foot {
  margin: 0;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yk-stone);
}
.page-contact .ct-check__link {
  margin: 0;
  border-top: 1px solid var(--yk-line);
}
.page-contact .ct-check__link a {
  display: block;
  padding: 11px 16px;
  font-size: 13px;
  color: var(--yk-cyan);
  text-decoration: none;
  transition: background .18s var(--yk-ease), color .18s var(--yk-ease);
}
.page-contact .ct-check__link a:hover {
  background: var(--yk-ink-3);
  color: var(--yk-cream);
}

/* ---------- 渐显 ---------- */
.page-contact [data-reveal] {
  opacity: 1;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-channels { grid-template-columns: repeat(2, 1fr); }
  .page-contact .ct-channel:nth-child(3) { grid-column: 1 / -1; }
  .page-contact .ct-fields { grid-template-columns: repeat(3, 1fr); }
  .page-contact .ct-reply { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 860px) {
  .page-contact .ct-hero { padding: 56px 0 68px; }
  .page-contact .ct-hero__index { grid-template-columns: repeat(3, 1fr); }
  .page-contact .ct-section { padding-top: 72px; }
  .page-contact .ct-channels { grid-template-columns: repeat(3, 1fr); }
  .page-contact .ct-channel:nth-child(3) { grid-column: auto; }
  .page-contact .ct-channel { padding: 30px 24px 24px; }
  .page-contact .ct-coop {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }
  .page-contact .ct-block { padding-top: 48px; margin-top: 48px; }
}

@media (min-width: 1000px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .ct-split__side {
    position: sticky;
    top: 96px;
  }
  .page-contact .ct-address { padding: 32px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-fold__icon::before,
  .page-contact .ct-fold__icon::after,
  .page-contact .yk-breadcrumb__item,
  .page-contact .ct-check__link a {
    transition: none;
  }
}