.page-contact {
  --fb-rule: rgba(184, 137, 47, 0.34);
  --fb-rule-soft: rgba(184, 137, 47, 0.16);
  --fb-glow: rgba(56, 225, 210, 0.14);
}

/* ---------- 顶部更新时间行 ---------- */
.page-contact .update-line {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 30px;
  padding-bottom: 6px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-silver);
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
}

/* ---------- 通用小节头部 ---------- */
.page-contact .section-head {
  margin-bottom: 28px;
}

.page-contact .section-head .section-title {
  margin-top: 10px;
  margin-bottom: 14px;
}

/* ---------- 01 按事由选通道 ---------- */
.page-contact .route-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 34px;
}

.page-contact .route-card {
  position: relative;
  padding: 22px 20px 22px 24px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: var(--c-line);
}

.page-contact .route-card--cyan::before {
  background: var(--c-cyan);
}

.page-contact .route-card--gold::before {
  background: var(--c-gold);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-within {
  border-color: rgba(56, 225, 210, 0.42);
  background: #1b2555;
}

.page-contact .route-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-contact .status-dot--cyan {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px var(--fb-glow);
}

.page-contact .status-dot--gold {
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(243, 196, 106, 0.14);
}

.page-contact .route-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--c-silver);
  margin: 0 0 10px;
}

.page-contact .route-card p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-body);
  margin: 0 0 16px;
}

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

.page-contact .route-needs li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-dust);
}

.page-contact .route-needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-dust);
  opacity: 0.7;
}

/* ---------- 图片占位 ---------- */
.page-contact .media-frame {
  margin: 0 0 42px;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-contact .media-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-dust);
  margin-top: 12px;
}

/* ---------- 02 联系方式 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .fb-list {
  display: grid;
  align-content: start;
}

.page-contact .fb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--fb-rule-soft);
}

.page-contact .fb-row:last-child {
  border-bottom: 1px solid var(--fb-rule-soft);
}

.page-contact .fb-label {
  flex: 0 0 auto;
  min-width: 88px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-dust);
}

.page-contact .fb-value {
  flex: 1 1 240px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-silver);
  overflow-wrap: anywhere;
}

.page-contact .fb-row--block .fb-label {
  flex-basis: 100%;
}

.page-contact .fb-row--block .fb-value {
  flex-basis: 100%;
  padding-left: 0;
}

.page-contact .fb-copy {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  padding: 6px 13px;
  border-radius: 8px;
  border: 1px solid var(--c-line);
  background: var(--c-glass);
  color: var(--c-cyan);
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .fb-copy:hover {
  border-color: rgba(56, 225, 210, 0.5);
  background: rgba(56, 225, 210, 0.08);
}

.page-contact .fb-copy:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-contact .fb-copy[data-copied] {
  color: var(--c-gold);
  border-color: var(--fb-rule);
}

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

.page-contact .contact-note {
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 2px solid var(--c-cyan);
  background: var(--c-glass);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-dust);
}

/* ---------- 03 回复时间 ---------- */
.page-contact .fb-rhythm {
  margin: 0;
}

.page-contact .fb-rhythm-note {
  margin-top: 24px;
  color: var(--c-dust);
}

/* ---------- 04 合作咨询 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .coop-list > li {
  display: grid;
  gap: 8px;
  padding: 24px 22px 22px;
  background: var(--c-indigo);
  transition: background-color 200ms var(--ease);
}

.page-contact .coop-list > li:hover {
  background: #131c40;
}

.page-contact .coop-no {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--c-gold);
  letter-spacing: 0.08em;
}

.page-contact .coop-list h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--c-silver);
  margin: 0;
}

.page-contact .coop-list p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-body);
  margin: 0;
}

.page-contact .coop-tail {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-dust);
}

.page-contact .coop-tail a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 210, 0.35);
}

.page-contact .coop-tail a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 05 提交前检查 ---------- */
.page-contact .filter-bar {
  margin-bottom: 22px;
}

.page-contact .precheck-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .precheck-list > li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 17px;
  background: var(--c-panel);
  border: 1px solid var(--c-line-soft);
  border-radius: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-body);
}

.page-contact .precheck-list > li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-contact .precheck-list > li[hidden] {
  display: none;
}

/* ---------- 收尾 ---------- */
.page-contact .contact-tail {
  padding-bottom: 40px;
}

.page-contact .contact-tail .section-title {
  margin-bottom: 14px;
}

.page-contact .contact-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-totop {
  display: flex;
  justify-content: flex-start;
  padding-bottom: 8px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .route-track {
    gap: 16px;
  }

  .page-contact .coop-list > li {
    grid-template-columns: 64px minmax(0, 1fr);
    grid-template-areas:
      "no title"
      "no text";
    column-gap: 20px;
    align-items: start;
    padding: 26px 26px 24px;
  }

  .page-contact .coop-no {
    grid-area: no;
    padding-top: 5px;
  }

  .page-contact .coop-list h3 {
    grid-area: title;
  }

  .page-contact .coop-list p {
    grid-area: text;
    margin-top: 8px;
    max-width: 66ch;
  }
}

@media (min-width: 960px) {
  .page-contact .route-track {
    grid-template-columns: 1.6fr 1fr 1fr;
    align-items: stretch;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .fb-row {
    padding: 22px 0;
  }

  .page-contact .contact-hero {
    padding-top: 40px;
  }
}

@media (min-width: 1240px) {
  .page-contact .route-track {
    grid-template-columns: 1.75fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .fb-copy,
  .page-contact .coop-list > li {
    transition: none;
  }
}