.page-contact {
  --pc-sec: clamp(52px, 7.5vw, 100px);
  --pc-gap: clamp(16px, 2vw, 28px);
  color: var(--white);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-crumb a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-contact .contact-crumb span[aria-hidden] {
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero-body {
  padding-top: clamp(26px, 4.5vw, 60px);
  padding-bottom: clamp(24px, 3.6vw, 46px);
}

.page-contact .contact-kicker {
  color: var(--accent);
  margin: 0 0 18px;
}

.page-contact .contact-hero-title {
  margin: 0 0 20px;
  font-size: clamp(32px, 6vw, 72px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -.02em;
  max-width: 20ch;
  text-wrap: balance;
}

.page-contact .contact-hero-lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--white);
}

.page-contact .contact-quick {
  list-style: none;
  margin: clamp(24px, 3.2vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-quick li {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  padding: 9px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .contact-hero-media {
  margin: 0;
  width: 100%;
  background: var(--panel);
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-hero::after {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg,
    var(--accent) 0 22%,
    var(--season-1) 22% 62%,
    var(--season-2) 62% 100%);
}

/* ---------- 通用区块头 ---------- */
.page-contact .sec-head {
  max-width: 72ch;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-contact .sec-title {
  margin: 12px 0 14px;
  font-size: clamp(23px, 3.3vw, 40px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-contact .sec-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 5px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--season-1), var(--season-2));
}

.page-contact .sec-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding: var(--pc-sec) 0;
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-card {
  background: var(--panel);
  padding: clamp(20px, 2.6vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 20px);
  line-height: 1.4;
  color: var(--accent);
  overflow-wrap: anywhere;
}

.page-contact .contact-value--addr {
  font-size: clamp(14px, 1.3vw, 17px);
  color: var(--white);
}

.page-contact .contact-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .addr-board {
  position: relative;
  margin-top: auto;
  height: 86px;
  border: 1px solid var(--line-strong);
  background-color: var(--panel-soft);
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 11px 11px;
}

.page-contact .addr-board::before {
  content: "";
  position: absolute;
  left: calc(42% - 7px);
  top: calc(38% - 7px);
  width: 24px;
  height: 24px;
  border: 1px solid var(--accent);
}

.page-contact .addr-board::after {
  content: "";
  position: absolute;
  left: 42%;
  top: 38%;
  width: 10px;
  height: 10px;
  background: var(--accent);
}

/* ---------- 受理范围 ---------- */
.page-contact .contact-scope {
  padding: var(--pc-sec) 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: clamp(18px, 2.4vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scope-no {
  font-size: 14px;
  color: var(--accent);
  letter-spacing: .06em;
  padding-top: 5px;
}

.page-contact .scope-body {
  min-width: 0;
}

.page-contact .scope-name {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .scope-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .scope-more {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
}

.page-contact .scope-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s var(--ease);
}

.page-contact .scope-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .scope-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
}

.page-contact .scope-more[open] summary::before {
  content: "–";
}

.page-contact .scope-more summary:hover,
.page-contact .scope-more summary:focus-visible {
  color: var(--accent);
}

.page-contact .scope-more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .scope-media {
  margin: 0;
  background: var(--panel);
}

.page-contact .scope-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 纠错清单 ---------- */
.page-contact .contact-fix {
  padding: var(--pc-sec) 0;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .fix-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .fix-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .fix-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  background: var(--panel-soft);
}

.page-contact .fix-box {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--accent);
}

.page-contact .fix-box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
}

.page-contact .fix-body {
  min-width: 0;
}

.page-contact .fix-name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .fix-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fix-aside {
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--amber);
  background: var(--pitch);
}

.page-contact .fix-aside-text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fix-aside-text a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .fix-aside-text a:hover,
.page-contact .fix-aside-text a:focus-visible {
  border-color: var(--accent);
}

/* ---------- 合作咨询 ---------- */
.page-contact .contact-collab {
  padding: var(--pc-sec) 0;
  border-top: 1px solid var(--line);
}

.page-contact .collab-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .collab-body {
  min-width: 0;
}

.page-contact .collab-body p {
  margin: 0 0 1.2em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab-body p:last-child {
  margin-bottom: 0;
}

.page-contact .collab-actions {
  margin-top: 8px;
}

/* ---------- 帮助中心导流 ---------- */
.page-contact .contact-help {
  padding: var(--pc-sec) 0;
  border-top: 1px solid var(--line);
  background: var(--archive);
}

.page-contact .help-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .help-link {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 22px;
  background: var(--pitch);
  text-decoration: none;
  color: var(--white);
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-contact .help-link-title {
  font-size: 16px;
  line-height: 1.55;
  font-weight: 600;
}

.page-contact .help-link .label {
  color: var(--muted);
  transition: color .25s var(--ease);
}

.page-contact .help-link:hover,
.page-contact .help-link:focus-visible {
  background: var(--panel-soft);
  color: var(--accent);
}

.page-contact .help-link:hover .label,
.page-contact .help-link:focus-visible .label {
  color: var(--accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .scope-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.72fr);
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-contact .fix-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.7fr);
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-contact .collab-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
    gap: clamp(28px, 3.4vw, 56px);
  }

  .page-contact .collab-head .sec-title::after {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .help-link,
  .page-contact .contact-crumb a,
  .page-contact .scope-more summary {
    transition: none;
  }
}