.page-contact {
  --pc-rule: 1px solid var(--grid);
  --pc-gap: clamp(16px, 2.2vw, 26px);
  --pc-pad: clamp(18px, 2.4vw, 28px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(16px, 2.4vw, 30px);
  padding-bottom: clamp(28px, 4vw, 52px);
  border-bottom: var(--pc-rule);
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-hero__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--noise);
}

/* ---------- 分流 + 联系方式 ---------- */
.page-contact .contact-board .section__head,
.page-contact .contact-cadence .section__head,
.page-contact .contact-flow .section__head,
.page-contact .contact-visit .section__head {
  border-bottom: var(--pc-rule);
  padding-bottom: clamp(14px, 2vw, 22px);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 42px);
  margin-top: clamp(22px, 3.2vw, 38px);
}

.page-contact .routes {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .route-card {
  position: relative;
  padding: var(--pc-pad) var(--pc-pad) var(--pc-pad) calc(var(--pc-pad) + 12px);
  background: var(--panel);
  border: var(--pc-rule);
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--grid);
  transform: scaleY(0.22);
  transform-origin: top;
  transition: transform 280ms var(--ease), background-color 280ms var(--ease);
}

.page-contact .route-card:hover::before,
.page-contact .route-card:focus-within::before {
  background: var(--green);
  transform: scaleY(1);
}

.page-contact .route-card__tag {
  color: var(--blue);
}

.page-contact .route-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 10px 0 0;
}

.page-contact .route-card__body {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .route-card__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .route-card__link:hover,
.page-contact .route-card__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .contact-aside {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
  align-content: start;
}

.page-contact .contact-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-list__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-contact .contact-list__row:first-child {
  padding-top: 0;
}

.page-contact .contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-list__value {
  margin: 0;
  color: var(--white);
  font-size: 15px;
  line-height: 1.75;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-list__value--mail {
  font-size: clamp(12px, 3.4vw, 14px);
  letter-spacing: -0.01em;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--pc-rule);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-figure,
.page-contact .flow-figure {
  margin: 0;
  border: var(--pc-rule);
  background: var(--panel-deep);
  overflow: hidden;
}

.page-contact .contact-figure img,
.page-contact .flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
}

.page-contact .contact-figure figcaption,
.page-contact .flow-figure figcaption {
  padding: 11px 14px;
  border-top: var(--pc-rule);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 处理节奏 ---------- */
.page-contact .cadence {
  list-style: none;
  margin: clamp(22px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: var(--pc-rule);
}

.page-contact .cadence__item {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: var(--pc-pad);
  background: var(--panel);
}

.page-contact .cadence__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--orange);
}

.page-contact .cadence__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact .cadence__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow {
  margin-top: clamp(22px, 3.2vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .flow__step {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid var(--grid);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .flow__step summary {
  position: relative;
  display: block;
  padding-right: 22px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .flow__step summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.3;
  color: var(--orange);
}

.page-contact .flow__step[open] summary::after {
  content: "–";
}

.page-contact .flow__step summary:focus-visible {
  outline: 1px solid var(--orange);
  outline-offset: 4px;
}

.page-contact .flow__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.7vw, 19px);
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-contact .flow__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .flow__list li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--green);
}

.page-contact .flow__list a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .flow__list a:hover,
.page-contact .flow__list a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .flow-figure {
  margin-top: clamp(26px, 3.6vw, 44px);
}

/* ---------- 到访 ---------- */
.page-contact .visit-grid {
  margin-top: clamp(22px, 3.2vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: var(--pc-rule);
}

.page-contact .visit-fact {
  padding: var(--pc-pad);
  background: var(--panel);
}

.page-contact .visit-fact__value {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .visit-fact__value a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .visit-fact__value a:hover,
.page-contact .visit-fact__value a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .visit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(16px, 2.2vw, 30px);
  }

  .page-contact .flow__step {
    padding-left: 0;
    padding-top: 26px;
    border-left: 0;
    border-top: 1px solid var(--grid);
  }

  .page-contact .flow__step::before {
    left: 0;
    top: -4px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-row) + 20px);
  }
}

@media (min-width: 1100px) {
  .page-contact .cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .route-card::before,
  .page-contact .route-card__link,
  .page-contact .flow__list a,
  .page-contact .visit-fact__value a {
    transition: none;
  }

  .page-contact .route-card::before {
    transform: scaleY(1);
  }
}