.page-contact {
  --pc-hair: rgba(17, 21, 18, 0.14);
  --pc-hair-light: rgba(244, 241, 232, 0.18);
  --pc-pad: clamp(52px, 8vw, 100px);
  --pc-body: 16px;
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: var(--pc-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}
.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-contact .breadcrumb__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}
.page-contact .breadcrumb__link:hover {
  border-bottom-color: var(--flare);
}
.page-contact .breadcrumb__sep {
  color: var(--ash);
}

/* ---------- 顶部受理栏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 6vw, 80px);
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  width: 54vw;
  height: 54vw;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, rgba(232, 255, 58, 0.14), transparent 64%);
  pointer-events: none;
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .pc-hero__no {
  margin: 0 0 16px;
  color: var(--flare);
}
.page-contact .pc-hero__title {
  margin: 0;
  color: var(--paper);
  font-size: clamp(32px, 6vw, 66px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.page-contact .pc-hero__lede {
  margin: 20px 0 0;
  max-width: 40ch;
  color: rgba(244, 241, 232, 0.78);
}
.page-contact .pc-hero__facts {
  margin: 0;
  display: grid;
  gap: 4px;
  align-content: end;
}
.page-contact .pc-hero__fact {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--pc-hair-light);
}
.page-contact .pc-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ash);
}
.page-contact .pc-hero__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 通用区块标题 ---------- */
.page-contact .pc-head {
  display: grid;
  gap: 10px;
}
.page-contact .pc-head--split {
  gap: 18px;
}
.page-contact .pc-head__aside {
  margin: 0;
  font-size: 15px;
  color: var(--soft);
}
.page-contact .pc-head__aside a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--flare);
  transition: border-color 180ms ease;
}
.page-contact .pc-head__aside a:hover {
  border-bottom-color: var(--ink);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  background: var(--paper);
  padding: var(--pc-pad) 0;
}
.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3vw, 38px);
}
.page-contact .pc-channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--pc-hair);
}
.page-contact .pc-channel:last-child {
  border-bottom: 1px solid var(--pc-hair);
}
.page-contact .pc-channel__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  padding-top: 4px;
}
.page-contact .pc-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-contact .pc-channel__value {
  margin: 8px 0 0;
  display: inline;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.3vw, 21px);
  font-weight: 500;
  color: var(--black);
  background: rgba(232, 255, 58, 0.42);
  border-radius: 6px;
  padding: 2px 7px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  overflow-wrap: anywhere;
}
.page-contact .pc-channel__note {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--soft);
  max-width: 42ch;
}
.page-contact .pc-channels__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-deep);
  align-self: start;
}
.page-contact .pc-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.62) contrast(0.96);
}
.page-contact .pc-channels__figure .media-frame__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
  background: var(--ink-deep);
}
.page-contact .pc-channels__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--card-yellow);
  font-size: 14px;
  color: var(--soft);
  max-width: 62ch;
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop {
  background: var(--paper);
  padding: 0 0 var(--pc-pad);
}
.page-contact .pc-coop__list {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-coop__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "no"
    "title"
    "desc"
    "who";
  gap: 7px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-top: 1px solid var(--pc-hair);
  transition: padding-left 200ms ease;
}
.page-contact .pc-coop__list .pc-coop__item:last-child {
  border-bottom: 1px solid var(--pc-hair);
}
.page-contact .pc-coop__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 3vw, 32px);
  bottom: clamp(22px, 3vw, 32px);
  width: 3px;
  border-radius: 2px;
  background: var(--card-yellow);
  opacity: 0;
  transition: opacity 200ms ease;
}
.page-contact .pc-coop__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-contact .pc-coop__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.page-contact .pc-coop__desc {
  grid-area: desc;
  margin: 0;
  font-size: 15px;
  color: var(--soft);
  max-width: 56ch;
}
.page-contact .pc-coop__who {
  grid-area: who;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
@media (hover: hover) {
  .page-contact .pc-coop__item:hover {
    padding-left: 18px;
  }
  .page-contact .pc-coop__item:hover::before {
    opacity: 1;
  }
}

/* ---------- 四步对接流程 ---------- */
.page-contact .pc-flow {
  background: var(--ink-deep);
  color: var(--paper);
  padding: var(--pc-pad) 0;
}
.page-contact .pc-flow .eyebrow {
  color: var(--flare);
}
.page-contact .pc-flow .section-title {
  color: var(--paper);
}
.page-contact .pc-flow .pc-head__aside {
  color: rgba(244, 241, 232, 0.72);
}
.page-contact .pc-flow .pc-head__aside a {
  color: var(--flare);
  border-bottom-color: rgba(232, 255, 58, 0.4);
}
.page-contact .pc-flow .pc-head__aside a:hover {
  border-bottom-color: var(--flare);
}
.page-contact .pc-flow__track {
  position: relative;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3vw, 34px);
}
.page-contact .pc-flow__step {
  position: relative;
  padding-top: 4px;
}
.page-contact .pc-flow__node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--flare);
  background: var(--ink-deep);
  color: var(--flare);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  z-index: 1;
  transition: background-color 180ms ease, color 180ms ease;
}
.page-contact .pc-flow__title {
  margin: 16px 0 8px;
  font-size: 19px;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.4;
}
.page-contact .pc-flow__desc {
  margin: 0;
  font-size: 15px;
  color: rgba(244, 241, 232, 0.76);
}
.page-contact .pc-flow__ready {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-hair-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ash);
}
@media (hover: hover) {
  .page-contact .pc-flow__step:hover .pc-flow__node {
    background: var(--flare);
    color: var(--ink-deep);
  }
}

/* ---------- 纠错与媒体 ---------- */
.page-contact .pc-reports {
  background: var(--paper);
  padding: var(--pc-pad) 0;
}
.page-contact .pc-reports__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 52px);
}
.page-contact .pc-report {
  border-top: 2px solid var(--ink);
  padding-top: 22px;
}
.page-contact .pc-report__lead {
  margin: 16px 0 0;
  font-size: 15px;
  color: var(--soft);
  max-width: 46ch;
}
.page-contact .pc-report__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}
.page-contact .pc-report__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--soft);
}
.page-contact .pc-report__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 2px;
  border-radius: 1px;
  background: var(--card-yellow);
}
.page-contact .pc-report__list--media li::before {
  background: var(--ink);
}
.page-contact .pc-report__list strong {
  color: var(--black);
  font-weight: 500;
}
.page-contact .pc-report__foot {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--mist);
  max-width: 52ch;
}
.page-contact .pc-report__foot a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--flare);
  transition: border-color 180ms ease;
}
.page-contact .pc-report__foot a:hover {
  border-bottom-color: var(--ink);
}

/* ---------- 响应时间 ---------- */
.page-contact .pc-sla {
  background: var(--paper);
  padding: 0 0 var(--pc-pad);
}
.page-contact .pc-sla__scroll {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-contact .pc-sla__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-contact .pc-sla__table th,
.page-contact .pc-sla__table td {
  padding: 15px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pc-hair);
}
.page-contact .pc-sla__table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--mist);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 12px;
}
.page-contact .pc-sla__table tbody th {
  font-weight: 500;
  color: var(--black);
}
.page-contact .pc-sla__table tbody tr:hover {
  background: rgba(232, 255, 58, 0.18);
}
.page-contact .pc-sla__table td.num {
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink);
}
.page-contact .pc-sla__note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--mist);
  max-width: 58ch;
}

/* ---------- 备案与地址 ---------- */
.page-contact .pc-record {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: clamp(40px, 6vw, 68px) 0;
}
.page-contact .pc-record__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.4) contrast(0.9);
  pointer-events: none;
}
.page-contact .pc-record__inner {
  position: relative;
  z-index: 1;
}
.page-contact .pc-record .eyebrow {
  color: var(--flare);
}
.page-contact .pc-record__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.page-contact .pc-record__list li {
  padding: 14px 16px;
  border: 1px solid var(--pc-hair-light);
  border-radius: var(--r-md);
}
.page-contact .pc-record__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ash);
  margin-bottom: 6px;
}
.page-contact .pc-record__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 底部行动条 ---------- */
.page-contact .pc-cta {
  background: var(--flare);
  color: var(--black);
  padding: clamp(26px, 4vw, 42px) 0;
}
.page-contact .pc-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.page-contact .pc-cta__text {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 400;
  max-width: 44ch;
}
.page-contact .pc-cta__btn {
  flex-shrink: 0;
  background: var(--ink);
  color: var(--flare);
  border-color: var(--ink);
}
.page-contact .pc-cta__btn:hover {
  background: var(--black);
  color: var(--flare);
  border-color: var(--black);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-record__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
  }
  .page-contact .pc-head--split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 44px;
  }
  .page-contact .pc-reports__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }
  .page-contact .pc-flow__track::before {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    top: 18px;
    height: 1px;
    background: var(--pc-hair-light);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 52px;
  }
  .page-contact .pc-coop__item {
    grid-template-columns: 84px minmax(0, 1fr) 240px;
    grid-template-areas:
      "no title who"
      "no desc  who";
    align-items: start;
    gap: 8px 24px;
  }
  .page-contact .pc-coop__who {
    margin-top: 2px;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-coop__item,
  .page-contact .pc-coop__item::before,
  .page-contact .pc-flow__node,
  .page-contact .breadcrumb__link,
  .page-contact .pc-report__foot a,
  .page-contact .pc-head__aside a {
    transition: none;
  }
}