.page-contact {
  --fb-card: #0B1B2F;
  --fb-panel-bg: linear-gradient(155deg, rgba(11, 27, 47, .96), rgba(6, 17, 31, .92));
}

.page-contact .fb-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px) 0 clamp(34px, 6vw, 72px);
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(138, 92, 255, .22), transparent 58%),
    radial-gradient(90% 80% at 0% 0%, rgba(53, 230, 255, .10), transparent 62%);
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 50, 77, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 50, 77, .5) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(90% 72% at 46% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(90% 72% at 46% 0%, #000 0%, transparent 76%);
}

.page-contact .fb-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .fb-hero__lead .crumbs {
  margin-bottom: 14px;
}

.page-contact .fb-hero__lead h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: .05em;
  color: var(--text);
  max-width: 16ch;
}

.page-contact .fb-hero__lead .lede {
  max-width: 46ch;
  color: rgba(234, 246, 255, .84);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-contact .fb-tags {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  gap: 8px;
  flex-wrap: wrap;
}

.page-contact .fb-tags .tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  background: rgba(11, 27, 47, .7);
}

.page-contact .fb-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--fb-panel-bg);
  box-shadow: var(--shadow-1);
}

.page-contact .fb-hero__panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--gold));
}

.page-contact .fb-panel__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-contact .fb-panel__time {
  margin: 6px 0 18px;
  font-size: clamp(1.7rem, 4.4vw, 2.3rem);
  letter-spacing: .04em;
  color: var(--text);
}

.page-contact .fb-scale {
  position: relative;
  height: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 17, 31, .9);
  overflow: hidden;
}

.page-contact .fb-scale__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 60%, var(--gold));
  opacity: .9;
}

.page-contact .fb-scale__ticks {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(6, 17, 31, .85) 0 1px, transparent 1px 25%);
}

.page-contact .fb-scale__axis {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  color: var(--muted);
}

.page-contact .fb-panel__note {
  margin: 16px 0 20px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .fb-panel__cta {
  display: inline-block;
  width: 100%;
  text-align: center;
}

.page-contact .fb-sec {
  padding: clamp(34px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .fb-sec__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .fb-sec__head h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.28;
  letter-spacing: .05em;
  color: var(--text);
}

.page-contact .fb-sec__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 246, 255, .78);
}

/* ── 三条联系路径 ── */
.page-contact .fb-channels {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .fb-channel {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--fb-panel-bg);
  box-shadow: var(--shadow-1);
  transition: border-color .25s ease, transform .25s ease;
}

.page-contact .fb-channel:hover {
  border-color: rgba(53, 230, 255, .55);
  transform: translateY(-2px);
}

.page-contact .fb-channel--mail {
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--cyan), var(--violet)) 1;
  border-image-slice: 1;
}

.page-contact .fb-channel__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .fb-channel__title {
  margin: 8px 0 12px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--text);
}

.page-contact .fb-channel__value {
  display: block;
  font-size: clamp(14px, 3.6vw, 16px);
  line-height: 1.5;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .fb-channel__value--text {
  color: var(--text);
  font-size: 15px;
}

.page-contact .fb-channel__value:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .fb-channel__desc {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: rgba(234, 246, 255, .76);
}

.page-contact .fb-channel__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ── 工作台双栏 ── */
.page-contact .fb-workbench {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .fb-block {
  padding-bottom: clamp(30px, 5vw, 56px);
  margin-bottom: clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-contact .fb-block--last {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

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

.page-contact .fb-need li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 27, 47, .62);
}

.page-contact .fb-need__k {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mint);
  padding-top: 3px;
}

.page-contact .fb-need__t {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(234, 246, 255, .8);
}

.page-contact .fb-need__t strong {
  color: var(--text);
  font-weight: 600;
}

.page-contact .fb-need--compact li {
  padding: 9px 12px;
  background: rgba(6, 17, 31, .5);
}

.page-contact .fb-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--fb-card);
}

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

.page-contact .fb-figure figcaption {
  padding: 10px 14px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ── 手风琴 ── */
.page-contact .fb-accordion {
  border-top: 1px solid var(--line);
}

.page-contact .fb-accordion .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .fb-acc__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--text);
}

.page-contact .fb-acc__index {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .fb-acc__label {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(14.5px, 2.4vw, 16.5px);
  letter-spacing: .04em;
  line-height: 1.5;
}

.page-contact .fb-acc__trigger[aria-expanded="true"] .fb-acc__label {
  color: var(--cyan);
}

.page-contact .fb-acc__trigger[aria-expanded="true"] .fb-acc__index {
  border-color: var(--cyan);
  color: var(--ink-900);
  background: var(--cyan);
}

.page-contact .fb-accordion .accordion__inner {
  padding: 0 4px 20px 44px;
}

.page-contact .fb-accordion .accordion__inner p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(234, 246, 255, .78);
}

.page-contact .fb-acc__after {
  margin: 14px 0 0 !important;
  padding: 12px 14px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 181, 71, .06);
  font-size: 13.5px !important;
  color: rgba(234, 246, 255, .82) !important;
}

/* ── 服务时间分栏 ── */
.page-contact .fb-split {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .fb-split__text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(234, 246, 255, .8);
}

.page-contact .fb-split__actions {
  margin-top: 18px;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .fb-figure--side {
  margin: 0;
}

/* ── 纠错与合作 ── */
.page-contact .fb-note-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .fb-note {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 27, 47, .55);
}

.page-contact .fb-note__title {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--violet);
}

.page-contact .fb-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(234, 246, 255, .78);
}

/* ── 隐私块 ── */
.page-contact .fb-privacy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 27, 47, .5);
}

.page-contact .fb-privacy__lock {
  width: 30px;
  height: 30px;
  border: 1px solid var(--mint);
  border-radius: 8px;
  position: relative;
}

.page-contact .fb-privacy__lock::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 9px;
  width: 12px;
  height: 9px;
  border: 1.5px solid var(--mint);
  border-radius: 2px;
}

.page-contact .fb-privacy__lock::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 4px;
  width: 6px;
  height: 6px;
  border: 1.5px solid var(--mint);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
}

.page-contact .fb-privacy__body p {
  margin: 0 0 12px;
  font-size: 13.8px;
  line-height: 1.82;
  color: rgba(234, 246, 255, .8);
}

.page-contact .fb-privacy__links {
  margin-top: 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .fb-jump {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  transition: border-color .22s ease, background .22s ease;
}

.page-contact .fb-jump:hover {
  border-color: var(--cyan);
  background: rgba(53, 230, 255, .08);
}

/* ── 侧栏 ── */
.page-contact .fb-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .fb-side__card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--fb-panel-bg);
}

.page-contact .fb-side__card--gold {
  border-color: rgba(255, 181, 71, .35);
}

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

.page-contact .fb-side__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .fb-side__link {
  display: block;
  padding: 9px 0;
  border-bottom: 1px solid rgba(23, 50, 77, .7);
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(234, 246, 255, .82);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-contact .fb-side__list li:last-child .fb-side__link {
  border-bottom: 0;
}

.page-contact .fb-side__link:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.page-contact .fb-side__big {
  margin: 0 0 8px;
  font-size: 1.5rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .fb-side__sub {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(234, 246, 255, .74);
}

@media (min-width: 720px) {
  .page-contact .fb-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .fb-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .fb-privacy {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 18px;
    padding: 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .fb-hero__inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  }

  .page-contact .fb-workbench {
    grid-template-columns: minmax(0, 1fr) 306px;
    align-items: start;
  }

  .page-contact .fb-side {
    position: sticky;
    top: calc(var(--rail-h) + 84px);
  }

  .page-contact .fb-hero__lead h1 {
    max-width: 15ch;
  }
}
<<<END>>>