.page-contact {
  --lane-gap: clamp(16px, 2.4vw, 28px);
  --board-pad: clamp(26px, 4.6vw, 58px);
  background-color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-block: clamp(24px, 4vw, 52px) clamp(30px, 4.6vw, 62px);
}

.page-contact .contact-intro .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

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

.page-contact .contact-intro__title {
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-contact .contact-intro__lede {
  margin: 22px 0 0;
  max-width: 58ch;
  color: var(--ink-70);
}

.page-contact .tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 路径板 ---------- */

.page-contact .contact-router {
  padding-block: 0 clamp(48px, 6vw, 96px);
}

.page-contact .router-board {
  position: relative;
  padding: var(--board-pad);
  border-radius: var(--r-lg);
  background-color: var(--deep);
  color: var(--paper-white);
  overflow: hidden;
}

.page-contact .router-board::after {
  content: "";
  position: absolute;
  right: clamp(-120px, -8vw, -40px);
  top: clamp(-140px, -10vw, -50px);
  width: min(420px, 72vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background-image: radial-gradient(circle at 34% 34%, rgba(43, 167, 158, 0.42), rgba(43, 167, 158, 0) 68%);
  pointer-events: none;
}

.page-contact .router-board__head {
  position: relative;
  z-index: 1;
  max-width: 62ch;
}

.page-contact .router-board__eyebrow {
  margin: 0;
  color: var(--lime);
}

.page-contact .router-board__title {
  margin: 12px 0 0;
  color: var(--paper-white);
}

.page-contact .router-board__desc {
  margin: 18px 0 0;
  max-width: 52ch;
  color: rgba(255, 253, 248, 0.74);
}

.page-contact .router-board__fork {
  position: relative;
  z-index: 1;
  margin-top: clamp(28px, 4vw, 46px);
  display: grid;
  gap: var(--lane-gap);
}

.page-contact .route-lane {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-md);
  background-color: rgba(255, 253, 248, 0.07);
  border: 1px solid rgba(255, 253, 248, 0.16);
  transition: background-color 240ms ease, border-color 240ms ease, transform 240ms ease;
}

.page-contact .route-lane:hover,
.page-contact .route-lane:focus-within {
  background-color: rgba(255, 253, 248, 0.13);
  border-color: var(--signal);
  transform: translateY(-3px);
}

.page-contact .route-lane__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-caption);
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .route-lane__name {
  margin: 10px 0 0;
  font-family: var(--font-heavy);
  font-size: var(--step-h3);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-white);
}

.page-contact .route-lane__desc {
  margin: 12px 0 0;
  line-height: 1.8;
  color: rgba(255, 253, 248, 0.74);
}

.page-contact .route-lane__points {
  flex: 1;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .route-lane__point {
  position: relative;
  padding-left: 24px;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 253, 248, 0.84);
}

.page-contact .route-lane__point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 13px;
  height: 2px;
  background-color: var(--turq);
  transition: background-color 220ms ease;
}

.page-contact .route-lane:hover .route-lane__point::before,
.page-contact .route-lane:focus-within .route-lane__point::before {
  background-color: var(--lime);
}

.page-contact .route-lane__cta {
  align-self: flex-start;
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-pill);
  background-color: var(--paper-white);
  color: var(--deep);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 200ms ease, color 200ms ease;
}

.page-contact .route-lane__cta:hover,
.page-contact .route-lane__cta:focus-visible {
  background-color: var(--signal);
  color: var(--paper-white);
}

/* ---------- 联系方式明细 ---------- */

.page-contact .contact-direct {
  padding-block: clamp(52px, 7vw, 104px);
}

.page-contact .contact-direct__title {
  margin: 12px 0 0;
}

.page-contact .contact-direct__grid {
  margin-top: clamp(26px, 3.6vw, 42px);
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-14);
}

.page-contact .contact-list__row {
  display: grid;
  gap: 6px;
  padding-block: clamp(18px, 2.4vw, 26px);
  border-bottom: 1px solid var(--ink-14);
}

.page-contact .contact-list__key {
  font-size: var(--step-caption);
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .contact-list__value {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.7vw, 1.125rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-list__value--hl {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 8px;
  background-color: var(--lime);
  color: var(--ink);
}

.page-contact .contact-direct__note {
  position: relative;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-left: 20px;
  font-size: var(--step-caption);
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .contact-direct__note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 1px;
  background-color: var(--slate);
}

.page-contact .contact-direct__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-direct__aside-line {
  margin: 0;
  font-size: var(--step-caption);
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep {
  padding-block: clamp(52px, 7vw, 104px);
  background-color: var(--paper-white);
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(30px, 4vw, 58px);
}

.page-contact .contact-prep__title {
  margin: 12px 0 0;
}

.page-contact .contact-prep__lede {
  margin: 18px 0 0;
  max-width: 50ch;
  color: var(--ink-70);
}

.page-contact .prep-list {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 16px;
  padding-block: clamp(16px, 2vw, 22px);
  border-bottom: 1px solid var(--ink-14);
}

.page-contact .prep-list__item:first-child {
  border-top: 1px solid var(--ink-14);
}

.page-contact .prep-list__tick {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border-radius: 7px;
  border: 1.5px solid var(--ink-45);
  transition: border-color 200ms ease;
}

.page-contact .prep-list__tick::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  width: 10px;
  height: 2px;
  background-color: var(--ink-45);
  transition: background-color 200ms ease;
}

.page-contact .prep-list__item:hover .prep-list__tick {
  border-color: var(--turq);
}

.page-contact .prep-list__item:hover .prep-list__tick::after {
  background-color: var(--turq);
}

.page-contact .prep-list__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .prep-list__text {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-contact .prep-list__foot {
  margin: 18px 0 0;
  font-size: var(--step-caption);
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .contact-prep__figure .figure__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-prep__figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 回复与跟进 ---------- */

.page-contact .contact-pace {
  padding-block: clamp(52px, 7vw, 104px);
}

.page-contact .contact-pace__band {
  padding: clamp(26px, 4.4vw, 56px);
  border-radius: var(--r-lg);
  background-color: var(--sand);
}

.page-contact .contact-pace__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-pace__title {
  margin: 12px 0 0;
}

.page-contact .pace-flow {
  margin: clamp(24px, 3.2vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-contact .pace-flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 24px;
}

.page-contact .pace-flow__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 4px;
  width: 1px;
  background-color: rgba(16, 26, 36, 0.22);
}

.page-contact .pace-flow__item:last-child {
  padding-bottom: 0;
}

.page-contact .pace-flow__item:last-child::before {
  display: none;
}

.page-contact .pace-flow__dot {
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  background-color: var(--deep);
  color: var(--paper-white);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  display: grid;
  place-items: center;
}

.page-contact .pace-flow__title {
  margin: 8px 0 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .pace-flow__text {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-contact .contact-pace__figure .figure__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-pace__figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 其他入口 ---------- */

.page-contact .contact-exits {
  padding-block: clamp(52px, 7vw, 104px) clamp(64px, 8vw, 128px);
}

.page-contact .contact-exits__title {
  margin: 12px 0 0;
  max-width: 24ch;
}

.page-contact .contact-exits__list {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .contact-exit {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-md);
  border: 1px solid var(--ink-14);
  background-color: var(--paper-white);
  text-decoration: none;
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.page-contact .contact-exit:hover,
.page-contact .contact-exit:focus-visible {
  border-color: var(--turq);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(16, 26, 36, 0.08);
}

.page-contact .contact-exit__name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-heavy);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-exit__name::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--signal);
  transition: transform 220ms ease;
}

.page-contact .contact-exit:hover .contact-exit__name::after,
.page-contact .contact-exit:focus-visible .contact-exit__name::after {
  transform: translateX(4px);
}

.page-contact .contact-exit__desc {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-70);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-list__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 36px);
    align-items: baseline;
  }
}

@media (min-width: 800px) {
  .page-contact .router-board__fork {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .router-board__fork::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 50%;
    width: 1px;
    background-image: linear-gradient(180deg, rgba(198, 232, 92, 0) 0%, rgba(198, 232, 92, 0.5) 50%, rgba(198, 232, 92, 0) 100%);
  }

  .page-contact .contact-exits__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-direct__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-pace__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-lane,
  .page-contact .route-lane__point::before,
  .page-contact .route-lane__cta,
  .page-contact .prep-list__tick,
  .page-contact .prep-list__tick::after,
  .page-contact .contact-exit,
  .page-contact .contact-exit__name::after {
    transition: none;
  }

  .page-contact .route-lane:hover,
  .page-contact .route-lane:focus-within,
  .page-contact .contact-exit:hover,
  .page-contact .contact-exit:focus-visible {
    transform: none;
  }

  .page-contact .contact-exit:hover .contact-exit__name::after,
  .page-contact .contact-exit:focus-visible .contact-exit__name::after {
    transform: none;
  }
}