.page-contact {
  --fb-line: rgba(42, 79, 107, .55);
  --fb-panel: #0B1F31;
  --fb-gap: clamp(14px, 2.4vw, 24px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding: calc(var(--bar-h) + 14px) 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--steel);
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-contact .fb-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .fb-hero__copy .eyebrow {
  margin: 0 0 14px;
}

.page-contact .fb-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  text-transform: uppercase;
  transform: skewX(-2deg);
  transform-origin: left bottom;
  margin: 0 0 18px;
  color: var(--text);
}

.page-contact .fb-hero__lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 10px;
  max-width: 56ch;
}

.page-contact .fb-hero__note {
  font-size: 14px;
  color: var(--turf);
  margin: 0 0 26px;
  letter-spacing: .02em;
}

.page-contact .fb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .fb-hero__figure {
  margin: 0;
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  position: relative;
}

.page-contact .fb-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(59, 245, 166, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(59, 245, 166, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  mix-blend-mode: screen;
}

.page-contact .fb-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .fb-hero__caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  border-top: 1px solid var(--fb-line);
  text-transform: uppercase;
}

/* ---------- 三天时间线 ---------- */
.page-contact .fb-track {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 64px);
}

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

.page-contact .fb-step {
  position: relative;
  background: var(--fb-panel);
  padding: 22px 18px 20px;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .fb-step::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 16px;
  background: var(--turf);
}

.page-contact .fb-step--2::before { background: var(--cyan); }
.page-contact .fb-step--3::before { background: var(--amber); }
.page-contact .fb-step--4::before { background: var(--signal); }

.page-contact .fb-step:hover {
  background: var(--ink-700);
  box-shadow: inset 0 0 0 1px var(--turf);
}

.page-contact .fb-step__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-contact .fb-step__title {
  font-family: var(--font-head);
  font-size: 22px;
  letter-spacing: .01em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .fb-step__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 16px;
}

.page-contact .fb-step__meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--turf);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(42, 79, 107, .4);
}

.page-contact .fb-track__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--signal);
}

/* ---------- 提交前准备 ---------- */
.page-contact .fb-prep {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 64px);
  background: linear-gradient(180deg, rgba(11, 31, 49, 0) 0%, rgba(11, 31, 49, .6) 100%);
}

.page-contact .fb-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .section__head--left {
  text-align: left;
  margin-bottom: 26px;
}

.page-contact .fb-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--fb-line);
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .fb-check {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  background: var(--ink-900);
  padding: 16px 16px 18px;
  transition: background var(--dur) var(--ease);
}

.page-contact .fb-check:hover {
  background: var(--fb-panel);
}

.page-contact .fb-check__idx {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 3px;
  border-right: 1px solid var(--fb-line);
}

.page-contact .fb-check__title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text);
}

.page-contact .fb-check__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
}

.page-contact .fb-prep__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .fb-prep__figure {
  margin: 0;
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  background: var(--fb-panel);
  overflow: hidden;
}

.page-contact .fb-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-contact .fb-prep__caption {
  display: block;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--fb-line);
}

.page-contact .fb-prep__tip .panel__body {
  padding: 18px;
}

.page-contact .fb-prep__tip-title {
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--turf);
  margin: 0 0 8px;
}

.page-contact .fb-prep__tip-text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
}

/* ---------- 分类指路 ---------- */
.page-contact .fb-cats {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 64px);
}

.page-contact .fb-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .fb-cat {
  position: relative;
  background: var(--fb-panel);
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .fb-cat:hover,
.page-contact .fb-cat:focus-within {
  border-color: var(--turf);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-contact .fb-cat__idx {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--ink-900);
  background: var(--turf);
  padding: 2px 8px;
  border-radius: var(--radius);
  align-self: flex-start;
  margin-bottom: 14px;
}

.page-contact .fb-cat--app .fb-cat__idx { background: var(--cyan); }
.page-contact .fb-cat--file .fb-cat__idx { background: var(--amber); }
.page-contact .fb-cat--account .fb-cat__idx { background: var(--steel); color: var(--text); }
.page-contact .fb-cat--other .fb-cat__idx { background: transparent; color: var(--muted); border: 1px solid var(--fb-line); }

.page-contact .fb-cat__title {
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: .02em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .fb-cat__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 16px;
  flex: 1 1 auto;
}

.page-contact .fb-cat__hint {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--fb-line);
}

/* ---------- 直接联系 ---------- */
.page-contact .fb-direct {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 64px);
  background: radial-gradient(120% 80% at 12% 0%, rgba(255, 122, 26, .09) 0%, rgba(6, 18, 31, 0) 60%);
}

.page-contact .fb-direct__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .fb-channel {
  background: var(--ink-900);
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  padding: 22px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .fb-channel:hover {
  border-color: var(--signal);
}

.page-contact .fb-channel__label {
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.page-contact .fb-channel__value {
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.5;
  color: var(--text);
  margin: 0;
  word-break: break-word;
}

.page-contact .fb-channel--mail .fb-channel__value,
.page-contact .fb-channel--phone .fb-channel__value {
  color: var(--turf);
}

.page-contact .fb-channel__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .fb-copy {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  padding: 8px 14px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .fb-copy:hover,
.page-contact .fb-copy:focus-visible {
  color: var(--ink-900);
  background: var(--turf);
  border-color: var(--turf);
  outline: none;
}

.page-contact .fb-direct__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  padding: 14px 16px;
  border-left: 2px solid var(--signal);
  background: rgba(11, 31, 49, .7);
}

/* ---------- 处理之后 ---------- */
.page-contact .fb-after {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

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

.page-contact .fb-after__item {
  background: var(--fb-panel);
  padding: 22px 18px 24px;
  transition: background var(--dur) var(--ease);
}

.page-contact .fb-after__item:hover {
  background: var(--ink-700);
}

.page-contact .fb-after__title {
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--turf);
  margin: 0 0 10px;
}

.page-contact .fb-after__desc {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

.page-contact .fb-after__cta {
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--fb-line);
  border-radius: var(--radius);
  background: var(--ink-900);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .fb-after__cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .fb-after__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .fb-cats__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .fb-direct__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .fb-channel--addr {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .fb-track__list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .fb-prep__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-contact .fb-prep__figure img {
    max-height: none;
  }

  .page-contact .fb-after__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .fb-after__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1080px) {
  .page-contact .fb-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

  .page-contact .fb-cats__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .fb-direct__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .fb-channel--addr {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-cat,
  .page-contact .fb-copy,
  .page-contact .fb-step,
  .page-contact .fb-after__item,
  .page-contact .fb-check,
  .page-contact .fb-channel {
    transition: none;
  }

  .page-contact .fb-cat:hover,
  .page-contact .fb-cat:focus-within {
    transform: none;
  }
}
<<<END>>>