.page-contact {
  --fb-card-line: rgba(7, 20, 38, 0.14);
  --fb-dark-line: rgba(247, 243, 234, 0.18);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.6vw, 40px) 0 clamp(46px, 6vw, 80px);
  color: var(--paper);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(31, 182, 176, 0.2), transparent 62%),
    var(--ink-deep);
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(169, 180, 194, 0.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(169, 180, 194, 0.07) 1px, transparent 1px);
  background-size: 76px 76px, 76px 76px;
  pointer-events: none;
}

.page-contact .fb-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .fb-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .fb-hero .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .fb-hero .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(169, 180, 194, 0.5);
}

.page-contact .fb-hero .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .fb-hero .breadcrumbs__link:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-contact .fb-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
  align-items: center;
}

.page-contact .fb-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .fb-hero__text {
  max-width: 46ch;
  margin: 20px 0 0;
  font-size: clamp(15.5px, 1.4vw, 17.5px);
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.78);
}

.page-contact .fb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .fb-hero__facts {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: clamp(16px, 2vw, 20px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-contact .fb-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .fb-hero__facts li::before {
  content: "—";
  color: var(--gold);
}

.page-contact .fb-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-contact .fb-hero__media .media-frame__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ---------- 通用区块标题 ---------- */
.page-contact .fb-head {
  max-width: 64ch;
}

.page-contact .fb-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-contact .fb-head p {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.85;
  color: rgba(7, 20, 38, 0.72);
}

.page-contact .fb-flow .section-label,
.page-contact .fb-scope .section-label {
  color: var(--teal-deep);
}

/* ---------- 类型工作台 ---------- */
.page-contact .fb-workbench {
  padding: clamp(42px, 6vw, 82px) 0;
  color: var(--paper);
  background:
    radial-gradient(80% 60% at 0% 0%, rgba(31, 182, 176, 0.16), transparent 62%),
    var(--indigo);
}

.page-contact .fb-workbench__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-contact .fb-workbench .fb-head p {
  color: rgba(247, 243, 234, 0.76);
}

.page-contact .fb-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .fb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .fb-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--fb-dark-line);
  background: rgba(247, 243, 234, 0.05);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  user-select: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-contact .fb-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  background: rgba(247, 243, 234, 0.45);
  transition: background var(--ease);
}

.page-contact .fb-chip:hover {
  border-color: var(--cyan);
  background: rgba(31, 182, 176, 0.16);
}

.page-contact .fb-input:focus-visible ~ .fb-chips {
  outline: 2px dashed var(--cyan);
  outline-offset: 5px;
}

.page-contact #fb-data:checked ~ .fb-chips label[for="fb-data"],
.page-contact #fb-lineup:checked ~ .fb-chips label[for="fb-lineup"],
.page-contact #fb-version:checked ~ .fb-chips label[for="fb-version"],
.page-contact #fb-report:checked ~ .fb-chips label[for="fb-report"],
.page-contact #fb-partner:checked ~ .fb-chips label[for="fb-partner"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

.page-contact #fb-data:checked ~ .fb-chips label[for="fb-data"]::before,
.page-contact #fb-lineup:checked ~ .fb-chips label[for="fb-lineup"]::before,
.page-contact #fb-version:checked ~ .fb-chips label[for="fb-version"]::before,
.page-contact #fb-report:checked ~ .fb-chips label[for="fb-report"]::before,
.page-contact #fb-partner:checked ~ .fb-chips label[for="fb-partner"]::before {
  background: var(--wine);
}

.page-contact .fb-panels {
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--fb-dark-line);
}

.page-contact .fb-panel {
  display: none;
}

.page-contact #fb-data:checked ~ .fb-panels #fb-panel-data,
.page-contact #fb-lineup:checked ~ .fb-panels #fb-panel-lineup,
.page-contact #fb-version:checked ~ .fb-panels #fb-panel-version,
.page-contact #fb-report:checked ~ .fb-panels #fb-panel-report,
.page-contact #fb-partner:checked ~ .fb-panels #fb-panel-partner {
  display: block;
}

.page-contact .fb-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .fb-panel__kicker {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .fb-check {
  margin: clamp(16px, 2vw, 20px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .fb-check li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.82);
}

.page-contact .fb-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

.page-contact .fb-panel__foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.66);
}

.page-contact .fb-panel__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 201, 76, 0.5);
}

.page-contact .fb-panel__foot a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 联系方式卡 ---------- */
.page-contact .fb-contact-card {
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(11, 29, 58, 0.18);
  box-shadow: 0 26px 50px -32px rgba(0, 0, 0, 0.8);
}

.page-contact .fb-contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-contact .fb-contact-card__lead {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(7, 20, 38, 0.66);
}

.page-contact .fb-contact-card__rows {
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .fb-contact-row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--fb-card-line);
}

.page-contact .fb-contact-row:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-contact .fb-contact-row dt {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(7, 20, 38, 0.56);
}

.page-contact .fb-contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
  overflow-wrap: anywhere;
}

.page-contact .fb-contact-row .fb-mail {
  color: var(--ink-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 201, 76, 0.9);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .fb-contact-row .fb-mail:hover {
  color: var(--teal-deep);
  border-bottom-color: var(--teal-deep);
}

.page-contact .fb-contact-row .fb-tel {
  font-size: 19px;
  color: var(--ink-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 182, 176, 0.7);
}

.page-contact .fb-contact-row .fb-addr {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .fb-contact-row .fb-hours {
  color: var(--teal-deep);
}

.page-contact .fb-contact-card__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--fb-card-line);
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-contact .fb-bookmark {
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  border: 1px solid var(--ink-deep);
  background: transparent;
  color: var(--ink-deep);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.page-contact .fb-bookmark:hover {
  background: var(--ink-deep);
  color: var(--paper);
}

.page-contact .fb-bookmark:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .fb-contact-card__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(7, 20, 38, 0.62);
}

/* ---------- 处理流程 ---------- */
.page-contact .fb-flow {
  padding: clamp(44px, 6vw, 84px) 0;
  background: var(--paper);
}

.page-contact .fb-flow__steps {
  margin: clamp(26px, 4vw, 40px) 0 0 16px;
  display: grid;
  gap: 26px;
  border-left: 1px solid rgba(7, 20, 38, 0.16);
}

.page-contact .fb-step {
  position: relative;
  padding: 0 0 0 24px;
}

.page-contact .fb-step__num {
  position: absolute;
  left: -17px;
  top: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--ink-deep);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
}

.page-contact .fb-step__head {
  position: static;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-right: 26px;
  position: relative;
  cursor: pointer;
  list-style: none;
}

.page-contact .fb-step__head::-webkit-details-marker {
  display: none;
}

.page-contact .fb-step__head::after {
  content: "+";
  position: absolute;
  right: 0;
  top: -2px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--teal-deep);
}

.page-contact .fb-step[open] .fb-step__head::after {
  content: "–";
}

.page-contact .fb-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-contact .fb-step__body {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(7, 20, 38, 0.74);
}

.page-contact .fb-step__body p {
  margin: 0;
}

/* ---------- 合作方向 ---------- */
.page-contact .fb-partner {
  padding: clamp(42px, 6vw, 82px) 0;
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(31, 182, 176, 0.08), transparent 55%),
    var(--teal-deep);
}

.page-contact .fb-partner .fb-head h2 {
  color: var(--paper);
}

.page-contact .fb-partner .fb-head p {
  color: rgba(247, 243, 234, 0.8);
}

.page-contact .fb-partner__grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 0;
}

.page-contact .fb-partner__item {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-contact .fb-partner__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .fb-partner__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 19px);
  color: var(--paper);
}

.page-contact .fb-partner__item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.74);
}

.page-contact .fb-partner__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.7);
}

/* ---------- 服务安排 ---------- */
.page-contact .fb-scope {
  padding: clamp(44px, 6vw, 84px) 0;
  background: var(--paper);
}

.page-contact .fb-scope__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-contact .fb-scope__prose {
  max-width: 68ch;
}

.page-contact .fb-scope__prose p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.9;
  color: rgba(7, 20, 38, 0.78);
}

.page-contact .fb-scope__prose p:last-child {
  margin-bottom: 0;
}

.page-contact .fb-scope__prose a {
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 182, 176, 0.6);
}

.page-contact .fb-scope__prose a:hover {
  border-bottom-color: var(--teal-deep);
}

/* ---------- 底部氛围图 ---------- */
.page-contact .fb-scenery {
  padding: 0 0 clamp(8px, 2vw, 20px);
  background: var(--paper);
}

.page-contact .fb-scenery__frame {
  position: relative;
  margin: 0;
  border-top: 1px solid rgba(7, 20, 38, 0.14);
  border-bottom: 1px solid rgba(7, 20, 38, 0.14);
  overflow: hidden;
  aspect-ratio: 16 / 7;
}

.page-contact .fb-scenery__frame .media-frame__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .fb-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .fb-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
  }

  .page-contact .fb-hero__media {
    aspect-ratio: auto;
    min-height: 380px;
  }

  .page-contact .fb-flow__steps {
    margin: 0;
    border-left: 0;
    border-top: 1px solid rgba(7, 20, 38, 0.16);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-contact .fb-step {
    padding: 46px 0 0;
  }

  .page-contact .fb-step__num {
    left: 0;
    top: 0;
  }

  .page-contact .fb-scope__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .fb-workbench__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .fb-workbench__side {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-chip,
  .page-contact .fb-bookmark,
  .page-contact .fb-hero .breadcrumbs__link {
    transition: none;
  }
}
<<<END>>>