.page-contact {
  --pc-line: rgba(78, 96, 112, 0.24);
  --pc-gap: clamp(40px, 5vw, 80px);
  background: var(--paper);
  color: var(--ink);
}

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

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  align-items: center;
  padding: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .crumbs__item {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .crumbs__item[aria-current="page"] {
  color: var(--brick);
}

.page-contact .crumbs__sep {
  margin: 0 8px;
  color: var(--pale);
}

/* ---------- 首屏 ---------- */
.page-contact .c-head {
  position: relative;
  padding: 40px 0 52px;
}

.page-contact .c-head__kicker {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

.page-contact .c-head__title {
  margin: 0 0 22px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(46px, 9vw, 100px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.page-contact .c-head__lead {
  max-width: 46ch;
  margin: 0 0 30px;
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .c-head__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-head__quick a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid rgba(165, 67, 43, 0.42);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brick);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .c-head__quick a:hover {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--white);
}

/* ---------- 主体布局 ---------- */
.page-contact .c-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 56px;
  padding-bottom: var(--space-section);
}

@media (min-width: 1000px) {
  .page-contact .c-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--pc-gap);
    align-items: start;
  }

  .page-contact .c-side {
    position: sticky;
    top: 92px;
  }

  .page-contact .c-head::after {
    content: "";
    position: absolute;
    top: 72px;
    right: 0;
    width: 1px;
    height: 104px;
    background: linear-gradient(var(--brass), rgba(180, 137, 74, 0));
  }
}

/* ---------- 章节通用 ---------- */
.page-contact .c-sec {
  margin-bottom: calc(var(--space-section) * 0.72);
}

.page-contact .c-sec:last-child {
  margin-bottom: 0;
}

.page-contact .c-sec__kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brick);
}

.page-contact .c-sec__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .c-sec__lead {
  max-width: 44ch;
  margin: 0 0 28px;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink);
}

/* ---------- 受理范围 ---------- */
.page-contact .c-items {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-top: var(--border);
}

.page-contact .c-item:last-child {
  border-bottom: var(--border);
}

.page-contact .c-item__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--brass);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brick);
}

.page-contact .c-item__title {
  margin: 4px 0 10px;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--deep);
}

.page-contact .c-item__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink);
}

.page-contact .c-item__hint {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 步骤条 ---------- */
.page-contact .c-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-steps > li {
  position: relative;
  padding: 0 0 32px 52px;
}

.page-contact .c-steps > li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 40px;
  bottom: 4px;
  width: 1px;
  background: var(--pc-line);
}

.page-contact .c-steps > li:last-child {
  padding-bottom: 0;
}

.page-contact .c-steps > li:last-child::before {
  display: none;
}

.page-contact .c-step__num {
  position: absolute;
  left: 0;
  top: 6px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--brass);
  border-radius: 50%;
  background: var(--white);
  font-size: 12px;
  color: var(--brick);
}

.page-contact .c-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--deep);
}

.page-contact .c-step__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink);
}

.page-contact .c-steps--flow .c-step__num {
  border-radius: var(--radius);
  border-color: rgba(165, 67, 43, 0.48);
  background: var(--paper-old);
  color: var(--deep);
}

.page-contact .c-steps--flow > li::before {
  background: rgba(165, 67, 43, 0.28);
}

/* ---------- 配图 ---------- */
.page-contact .c-figure {
  margin: 34px 0 0;
}

.page-contact .c-figure .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .c-figure__cap {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 示例折叠 ---------- */
.page-contact .c-acc {
  margin-top: 30px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
}

.page-contact .c-acc .acc__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .c-sample {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-contact .c-sample__row {
  display: grid;
  gap: 4px;
}

.page-contact .c-sample__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .c-sample__v {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 到馆查阅 ---------- */
.page-contact .c-visit {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-visit > li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: var(--border);
}

.page-contact .c-visit > li:last-child {
  border-bottom: var(--border);
}

.page-contact .c-visit__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brick);
}

.page-contact .c-visit__v {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .c-linkrow {
  display: grid;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-contact .c-linkrow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .c-linkcard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background: var(--white);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .c-linkcard:hover {
  border-color: var(--brick-lt);
  transform: translateY(-2px);
}

.page-contact .c-linkcard strong {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
}

.page-contact .c-linkcard span {
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 右侧联系卡 ---------- */
.page-contact .c-card {
  border: 1px solid rgba(180, 137, 74, 0.52);
  border-radius: var(--radius-lg);
  background: var(--paper-old);
  overflow: hidden;
  box-shadow: 0 22px 46px -34px rgba(14, 36, 57, 0.72);
}

.page-contact .c-card__media {
  aspect-ratio: 3 / 2;
  background: var(--navy);
}

.page-contact .c-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .c-card__head {
  padding: 22px 24px 14px;
}

.page-contact .c-card__tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

.page-contact .c-card__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 25px;
  font-weight: 800;
  color: var(--deep);
}

.page-contact .cline {
  padding: 14px 24px;
  border-top: 1px dashed rgba(78, 96, 112, 0.34);
  border-left: 3px solid transparent;
  transition: border-left-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-contact .cline:hover {
  border-left-color: var(--brass);
  background: rgba(255, 255, 255, 0.55);
}

.page-contact .cline__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .cline__v {
  display: block;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .cline__v.mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-contact a.cline__v:hover {
  color: var(--brick);
}

.page-contact .cline--note .cline__v {
  font-size: 15px;
  color: var(--mist);
}

.page-contact .c-card__foot {
  padding: 18px 24px 24px;
  border-top: 1px dashed rgba(78, 96, 112, 0.34);
}

.page-contact .c-card__foot .btn {
  display: block;
  width: 100%;
  text-align: center;
}

/* ---------- 小屏微调 ---------- */
@media (max-width: 560px) {
  .page-contact .c-head {
    padding: 32px 0 40px;
  }

  .page-contact .c-item,
  .page-contact .c-steps > li {
    gap: 14px;
  }

  .page-contact .c-steps > li {
    padding-left: 46px;
  }

  .page-contact .c-steps > li::before {
    left: 16px;
  }

  .page-contact .c-step__num {
    width: 34px;
    height: 34px;
  }

  .page-contact .c-card__head,
  .page-contact .cline,
  .page-contact .c-card__foot {
    padding-left: 18px;
    padding-right: 18px;
  }
}