.page-contact {
  --pc-pad: 22px;
  --pc-shadow: 6px;
}

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

/* ---------- 首屏 ---------- */
.page-contact .band.pc-hero {
  padding: 34px 0 58px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 20px;
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  font-weight: 900;
  font-size: clamp(31px, 8.4vw, 60px);
  line-height: 1.07;
  letter-spacing: -0.015em;
}

.page-contact .pc-hero__lead .lede {
  margin-top: 18px;
  max-width: 34em;
}

.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

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

.page-contact .pc-channel {
  border: 2px solid var(--green);
  background: var(--ink-2);
  padding: var(--pc-pad);
  box-shadow: var(--pc-shadow) var(--pc-shadow) 0 var(--ink-3);
}

.page-contact .pc-channel__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.page-contact .pc-channel__title::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--sand);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(16px, 4.6vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  word-break: break-word;
}

.page-contact .pc-channel__value a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-contact .pc-channel__value a:hover,
.page-contact .pc-channel__value a:focus-visible {
  border-bottom-color: var(--green);
}

.page-contact .pc-channel__value a:focus-visible,
.page-contact .pc-legal__value a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.page-contact .pc-channel__use {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .pc-channel__hours {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* ---------- 入口对照 ---------- */
.page-contact .band.pc-entry-band {
  padding: 58px 0 66px;
}

.page-contact .pc-map {
  margin: 30px 0 34px;
}

.page-contact .pc-map img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--red);
  background: var(--gray);
  object-fit: cover;
}

.page-contact .pc-map .media__cap {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-contact .pc-entries {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--ink);
  background: var(--cream);
  font-size: 15px;
  line-height: 1.68;
}

.page-contact .pc-entries th,
.page-contact .pc-entries td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 2px solid var(--ink);
}

.page-contact .pc-entries thead th {
  background: var(--ink);
  color: var(--warm);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-contact .pc-entries tbody tr:nth-child(odd) {
  background: var(--gray);
}

.page-contact .pc-entries tbody tr:last-child th,
.page-contact .pc-entries tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .pc-entries__name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.page-contact .pc-entries__loc {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .pc-entries__go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 2px solid var(--ink);
  background: var(--warm);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 3px 3px 0 var(--ink);
  transition: opacity 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.page-contact .pc-entries__go:hover {
  background: var(--green);
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.page-contact .pc-entries__go:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.page-contact .pc-entries tbody tr:focus-within {
  background: var(--warm);
}

@media (hover: hover) and (min-width: 781px) {
  .page-contact .pc-entries__go {
    opacity: 0;
  }

  .page-contact .pc-entries tbody tr:hover {
    background: var(--warm);
  }

  .page-contact .pc-entries tbody tr:hover .pc-entries__go,
  .page-contact .pc-entries tbody tr:focus-within .pc-entries__go {
    opacity: 1;
  }
}

/* ---------- 合作方向 ---------- */
.page-contact .band.pc-partner {
  padding: 58px 0 66px;
}

.page-contact .pc-dirs {
  display: grid;
  gap: 18px;
  margin-top: 30px;
  max-width: 920px;
}

.page-contact .pc-dir {
  border: 2px solid var(--ink);
  background: var(--warm);
  box-shadow: var(--pc-shadow) var(--pc-shadow) 0 var(--ink);
}

.page-contact .pc-dir[open] {
  box-shadow: var(--pc-shadow) var(--pc-shadow) 0 var(--green-deep);
}

.page-contact .pc-dir__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 800;
}

.page-contact .pc-dir__q::-webkit-details-marker {
  display: none;
}

.page-contact .pc-dir__q:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -4px;
}

.page-contact .pc-dir__num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-contact .pc-dir__name {
  flex: 1 1 auto;
}

.page-contact .pc-dir__arrow {
  width: 10px;
  height: 10px;
  flex: none;
  margin-right: 5px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.page-contact .pc-dir[open] .pc-dir__arrow {
  transform: rotate(-135deg);
}

.page-contact .pc-dir__a {
  padding: 16px 18px 20px;
  border-top: 2px solid var(--ink);
}

.page-contact .pc-dir__a p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .pc-dir__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-dir__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .pc-dir__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 3px;
  background: var(--green-deep);
}

/* ---------- 企业对接流程 ---------- */
.page-contact .band.pc-flow {
  padding: 58px 0 66px;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .pc-step {
  position: relative;
  padding: 26px 20px 22px;
  border: 2px solid var(--ink-3);
  background: var(--ink-2);
}

.page-contact .pc-step::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--green);
}

.page-contact .pc-step:nth-child(2)::after {
  background: var(--sand);
}

.page-contact .pc-step:nth-child(3)::after {
  background: var(--red-bright);
}

.page-contact .pc-step:nth-child(4)::after {
  background: var(--green);
}

.page-contact .pc-step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sand);
}

.page-contact .pc-step__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .pc-step__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .pc-flowmap {
  margin: 32px 0 0;
}

.page-contact .pc-flowmap img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--green);
  background: var(--ink-2);
  object-fit: cover;
}

/* ---------- 邮件沟通建议 ---------- */
.page-contact .band.pc-mail {
  padding: 56px 0 60px;
}

.page-contact .pc-mail__grid {
  display: grid;
  gap: 26px;
}

.page-contact .pc-mail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .pc-mail__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 2px solid var(--gray);
}

.page-contact .pc-mail__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-mail__k {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--red);
}

.page-contact .pc-mail__v {
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .band.pc-mail .note {
  margin-top: 26px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .band.pc-legal {
  padding: 0;
}

.page-contact .pc-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 44px;
  padding: 26px 0;
}

.page-contact .pc-legal__item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 15px;
}

.page-contact .pc-legal__value {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-contact .pc-legal__note {
  flex: 1 1 100%;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--sand);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-mail__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .page-contact .pc-step + .pc-step::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 50%;
    width: 0;
    height: 0;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 10px solid var(--sand);
    transform: translateY(-50%);
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 52px;
    align-items: start;
  }
}

@media (max-width: 780px) {
  .page-contact .pc-entries {
    border: 0;
    background: transparent;
    font-size: 15px;
  }

  .page-contact .pc-entries thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .page-contact .pc-entries tbody tr,
  .page-contact .pc-entries tbody tr:nth-child(odd) {
    display: block;
    margin-bottom: 16px;
    padding: 4px 0 12px;
    background: var(--cream);
    border: 2px solid var(--ink);
    box-shadow: 5px 5px 0 var(--ink);
  }

  .page-contact .pc-entries tbody tr:hover,
  .page-contact .pc-entries tbody tr:focus-within {
    background: var(--warm);
  }

  .page-contact .pc-entries th,
  .page-contact .pc-entries td {
    display: block;
    padding: 8px 16px;
    border: 0;
    white-space: normal;
  }

  .page-contact .pc-entries tbody th[scope="row"] {
    padding-bottom: 12px;
    font-size: 17px;
    border-bottom: 2px solid var(--gray);
  }

  .page-contact .pc-entries td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--red);
  }

  .page-contact .pc-entries__go {
    opacity: 1;
    margin-top: 4px;
  }

  .page-contact .pc-legal__inner {
    gap: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}