.page-contact {
  --fb-edge: rgba(244, 246, 240, .14);
  --fb-edge-soft: rgba(244, 246, 240, .08);
  --fb-text: #d9e6d5;
  --fb-panel: rgba(30, 91, 60, .34);
  --fb-deep: rgba(7, 26, 18, .58);
  background: var(--pitch);
  color: var(--chalk);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  padding-top: clamp(20px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.fb-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(20px, 3vw, 36px);
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(127, 227, 196, .16), transparent 62%),
    radial-gradient(720px 420px at 4% 6%, rgba(216, 245, 66, .10), transparent 68%);
}

.fb-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30%;
  background: linear-gradient(90deg, rgba(30, 91, 60, .55), rgba(7, 26, 18, .05));
  clip-path: polygon(0 48%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.fb-hero__grid,
.fb-hero .shell > .fb-stats {
  position: relative;
  z-index: 1;
}

.fb-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.fb-hero__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(40px, 8.4vw, 96px);
  line-height: .96;
  letter-spacing: -.03em;
  margin: 16px 0 0;
}

.fb-hero__em {
  color: var(--lime);
}

.fb-hero__lead {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.fb-hero__figure {
  margin: 0;
  border-radius: 30px 30px 30px 96px;
  overflow: hidden;
  border: 1px solid var(--fb-edge);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
}

.fb-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.85) contrast(1.08) brightness(.82);
}

.fb-stats {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
}

.fb-stats__item {
  padding: 18px 0;
  border-top: 1px solid var(--fb-edge);
}

.fb-stats__value {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  letter-spacing: -.02em;
  line-height: 1.05;
  color: var(--lime);
}

.fb-stats__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 章节骨架 ---------- */
.fb-sec {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0;
}

.fb-sec--kit {
  background: linear-gradient(180deg, rgba(7, 26, 18, 0) 0%, rgba(7, 26, 18, .55) 42%, rgba(7, 26, 18, 0) 100%);
}

.fb-sec__head {
  max-width: 46em;
}

.fb-sec__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin: 12px 0 0;
}

.fb-sec__desc {
  margin: 16px 0 0;
  max-width: 38em;
  line-height: 1.75;
  color: var(--fb-text);
}

/* ---------- 入口竖轨 ---------- */
.fb-track {
  list-style: none;
  position: relative;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
}

.fb-track::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), rgba(216, 245, 66, .06));
}

.fb-track__item {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 40px) clamp(42px, 6vw, 68px);
}

.fb-track__item:last-child {
  padding-bottom: 0;
}

.fb-track__dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(216, 245, 66, .12);
}

.fb-track__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.fb-track__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  letter-spacing: -.015em;
  margin: 8px 0 8px;
}

.fb-track__text {
  margin: 0;
  max-width: 38em;
  line-height: 1.75;
  color: var(--fb-text);
}

/* ---------- 提交要素 ---------- */
.fb-kit {
  align-items: start;
}

.fb-checklist {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
}

.fb-check {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--fb-edge);
  border-radius: 20px 20px 20px 6px;
  background: var(--fb-panel);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.fb-check:hover,
.fb-check:focus-within {
  transform: translateY(-4px);
  border-color: rgba(216, 245, 66, .5);
  background: rgba(30, 91, 60, .5);
}

.fb-check__input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: var(--lime);
  cursor: pointer;
}

.fb-check__body {
  display: block;
}

.fb-check__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.fb-check__note {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fb-text);
}

.fb-template {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: 26px 26px 8px 26px;
  background: linear-gradient(155deg, rgba(127, 227, 196, .16), rgba(7, 26, 18, .78));
  border: 1px solid var(--fb-edge);
}

.fb-template__lead {
  margin: 12px 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fb-text);
}

.fb-template__code {
  margin: 0;
  padding: 18px;
  border-radius: 14px;
  background: rgba(7, 26, 18, .72);
  border-left: 3px solid var(--lime);
  color: var(--chalk);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.fb-template__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

.fb-template__link {
  margin-top: 16px;
}

/* ---------- 时效 ---------- */
.fb-reply {
  list-style: none;
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
}

.fb-reply__step {
  padding-top: 18px;
  border-top: 2px solid rgba(216, 245, 66, .35);
}

.fb-reply__no {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(216, 245, 66, .14);
  -webkit-text-stroke: 2px rgba(216, 245, 66, .62);
}

.fb-reply__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 24px);
  letter-spacing: -.015em;
  margin: 14px 0 0;
}

.fb-reply__text {
  margin: 10px 0 0;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-reply__fallback {
  margin: clamp(28px, 4vw, 44px) 0 0;
  max-width: 42em;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-reply__link {
  margin-top: 16px;
}

/* ---------- 联系方式 ---------- */
.fb-reach {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(28px, 4vw, 46px);
}

.fb-contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.4vw, 38px) clamp(24px, 3.4vw, 38px) clamp(24px, 3.4vw, 38px) clamp(30px, 4vw, 44px);
  border-radius: 26px 26px 26px 8px;
  border: 1px solid var(--fb-edge);
  background: linear-gradient(160deg, rgba(30, 91, 60, .58), rgba(7, 26, 18, .76));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.fb-contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--lime), var(--aqua));
}

.fb-contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 245, 66, .45);
}

.fb-contact-card__value {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.5vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.fb-contact-card__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-addr {
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: 8px 26px 26px 26px;
  border: 1px dashed rgba(244, 246, 240, .22);
  background: rgba(30, 91, 60, .22);
}

.fb-addr__line {
  margin: 12px 0 0;
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--chalk);
}

.fb-addr__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

.fb-reach__foot {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  max-width: 42em;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-reach__link {
  margin-top: 16px;
}

/* ---------- 合作 ---------- */
.fb-partner {
  align-items: center;
}

.fb-partner__list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.fb-partner__list li {
  position: relative;
  padding-left: 22px;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-partner__list strong {
  color: var(--lime);
  font-weight: 700;
}

.fb-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 11px;
  height: 2px;
  background: var(--lime);
}

.fb-partner__ask {
  margin: clamp(20px, 3vw, 28px) 0 0;
  line-height: 1.75;
  color: var(--fb-text);
}

.fb-partner__link {
  margin-top: 18px;
}

.fb-partner__figure {
  margin: clamp(26px, 4vw, 0) 0 0;
  border-radius: 8px 30px 30px 30px;
  overflow: hidden;
  border: 1px solid var(--fb-edge);
}

.fb-partner__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1) brightness(.8);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .fb-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .fb-stats__item {
    border-top: 0;
    border-left: 2px solid rgba(216, 245, 66, .3);
    padding: 6px 26px;
  }

  .fb-stats__item:first-child {
    border-left-color: var(--lime);
    padding-left: 0;
  }
}

@media (min-width: 780px) {
  .fb-reach {
    grid-template-columns: 1fr 1fr;
  }

  .fb-reply {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 900px) {
  .fb-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .fb-kit,
  .fb-partner {
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (max-width: 560px) {
  .fb-hero__figure {
    border-radius: 22px 22px 22px 60px;
  }

  .fb-hero__actions .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fb-check,
  .fb-contact-card {
    transition: none;
  }

  .fb-check:hover,
  .fb-check:focus-within,
  .fb-contact-card:hover {
    transform: none;
  }
}