.page-contact {
  --contact-card-bg: var(--ink-2);
  --contact-edge: var(--steel);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 32px 0 40px;
  border-bottom: 2px solid var(--steel);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 96px;
  height: 2px;
  background: var(--mint);
}

.page-contact .contact-hero__eyebrow {
  display: block;
  color: var(--mint);
  margin-bottom: 14px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  max-width: 22ch;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.18;
  color: var(--white);
  transform: rotate(-1.5deg);
  transform-origin: left center;
}

.page-contact .contact-hero__lead {
  max-width: 60ch;
  color: var(--mist);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__quick .link-arrow {
  font-size: 14px;
  color: var(--mint);
}

/* ---------- 通用区块间距 ---------- */
.page-contact .section {
  padding: 44px 0;
  border-bottom: 1px solid var(--steel);
}

.page-contact .section:last-of-type {
  border-bottom: 0;
}

.page-contact .section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-contact .section__head .index-num {
  color: var(--mint);
}

/* ---------- 01 找到我们 ---------- */
.page-contact .contact-channels__main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .contact-copy-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .contact-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 18px 20px 20px;
  text-align: left;
  background: var(--contact-card-bg);
  border: 2px solid var(--steel);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color var(--t) linear, box-shadow var(--t) linear, transform var(--t) linear,
    background-color var(--t) linear;
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  border-color: var(--mint);
  box-shadow: var(--hard);
  transform: translate(-2px, -2px);
  outline: none;
}

.page-contact .contact-copy[data-copied] {
  border-color: var(--mint);
  background: var(--ink);
}

.page-contact .contact-copy .copy-line__key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-copy .copy-line__val {
  font-family: var(--mono);
  font-size: clamp(17px, 4.6vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
  word-break: break-all;
}

.page-contact .contact-copy .copy-line__hint {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mint);
}

.page-contact .contact-channels__note {
  padding-left: 14px;
  border-left: 2px solid var(--mint);
  color: var(--mist);
}

.page-contact .contact-channels__media {
  margin-top: 24px;
  border: 2px solid var(--steel);
}

/* ---------- 02 渠道对照表 ---------- */
.page-contact .contact-routing__lead {
  max-width: 62ch;
  margin-bottom: 22px;
  color: var(--mist);
}

.page-contact .route-table {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--steel);
  background: var(--ink-2);
}

.page-contact .route-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  background: var(--mint);
}

.page-contact .route-table tbody th,
.page-contact .route-table tbody td {
  padding: 14px 16px;
  vertical-align: top;
  text-align: left;
  border-top: 1px solid var(--steel);
  font-weight: 400;
  line-height: 1.7;
  transition: background-color var(--t) linear;
}

.page-contact .route-table tbody th {
  width: 38%;
  color: var(--white);
  border-right: 1px solid var(--steel);
}

.page-contact .route-table tbody td {
  color: var(--mist);
}

.page-contact .route-table tbody tr:hover th,
.page-contact .route-table tbody tr:hover td,
.page-contact .route-table tbody tr:focus-within th,
.page-contact .route-table tbody tr:focus-within td {
  background: var(--ink);
}

.page-contact .route-flag {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  background: var(--score);
  border-radius: 2px;
  transform: translateY(-1px);
}

/* ---------- 03 准备清单 ---------- */
.page-contact .contact-prep__lead {
  max-width: 62ch;
  margin-bottom: 22px;
  color: var(--mist);
}

.page-contact .prep-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  border: 2px solid var(--steel);
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--steel);
  transition: background-color var(--t) linear;
}

.page-contact .prep-item:last-child {
  border-bottom: 0;
}

.page-contact .prep-item:hover {
  background: var(--ink-2);
}

.page-contact .prep-item__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: #2FF3D0;
  cursor: pointer;
}

.page-contact .prep-item__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.page-contact .prep-item__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .prep-item__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .prep-item__box:checked + .prep-item__body .prep-item__title {
  color: var(--mint);
  text-decoration: line-through;
  text-decoration-color: var(--steel);
}

.page-contact .contact-prep__aside {
  max-width: 68ch;
  color: var(--mist);
}

.page-contact .contact-prep__aside .link-arrow {
  color: var(--mint);
}

/* ---------- 04 地址与备案 ---------- */
.page-contact .contact-visit__card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  background: var(--ink-2);
  border: 2px solid var(--steel);
  box-shadow: var(--hard);
}

.page-contact .road-sign {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
}

.page-contact .contact-address {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-style: normal;
}

.page-contact .contact-address__label {
  color: var(--mint);
}

.page-contact .contact-address__line {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .contact-icp {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--steel);
}

.page-contact .contact-icp__key {
  color: var(--mist);
}

.page-contact .contact-icp__val {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--score);
}

.page-contact .contact-visit__note {
  margin: 0;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .contact-visit__media {
  margin-top: 24px;
  border: 2px solid var(--steel);
}

/* ---------- 05 响应与回执 ---------- */
.page-contact .response-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--steel);
}

.page-contact .response-item {
  display: flex;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--steel);
}

.page-contact .response-item__num {
  flex: 0 0 auto;
  padding-top: 4px;
  color: var(--orange);
}

.page-contact .response-item__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .response-item__body .h3 {
  margin: 0;
  font-size: 19px;
  color: var(--white);
}

.page-contact .response-item__body .body-text {
  margin: 0;
  color: var(--mist);
}

.page-contact .response-item__body .link-arrow {
  color: var(--mint);
}

/* ---------- 图片 ---------- */
.page-contact .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 2px;
}

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

.page-contact .media__caption {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 48px 0 56px;
  }

  .page-contact .section {
    padding: 56px 0;
  }

  .page-contact .contact-copy {
    padding: 22px 26px 24px;
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep-item {
    border-right: 1px solid var(--steel);
  }

  .page-contact .prep-item:nth-child(2n) {
    border-right: 0;
  }

  .page-contact .prep-item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 64px 0 72px;
  }

  .page-contact .section {
    padding: 68px 0;
  }

  .page-contact .section__head {
    margin-bottom: 24px;
  }

  .page-contact .contact-channels__media,
  .page-contact .contact-visit__media {
    margin-top: 0;
  }

  .page-contact .contact-channels__grid,
  .page-contact .contact-visit__grid {
    align-items: start;
  }

  .page-contact .contact-visit__grid {
    flex-direction: row-reverse;
  }

  .page-contact .route-table tbody th {
    width: 30%;
  }

  .page-contact .response-item {
    gap: 26px;
    padding: 26px 0;
  }

  .page-contact .response-item__num {
    padding-top: 6px;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 560px) {
  .page-contact .route-table,
  .page-contact .route-table thead,
  .page-contact .route-table tbody,
  .page-contact .route-table tr,
  .page-contact .route-table th,
  .page-contact .route-table td {
    display: block;
    width: 100%;
  }

  .page-contact .route-table thead {
    display: none;
  }

  .page-contact .route-table tbody th,
  .page-contact .route-table tbody td {
    border-top: 0;
    border-right: 0;
  }

  .page-contact .route-table tbody th {
    padding-bottom: 4px;
    font-weight: 700;
  }

  .page-contact .route-table tbody td {
    padding-top: 0;
    padding-bottom: 16px;
  }

  .page-contact .route-table tbody tr {
    border-top: 1px solid var(--steel);
  }

  .page-contact .route-table tbody tr:first-child {
    border-top: 0;
  }

  .page-contact .contact-hero__title {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-copy,
  .page-contact .prep-item,
  .page-contact .route-table tbody th,
  .page-contact .route-table tbody td {
    transition: none;
  }
}