.page-contact {
  --fb-gap: 24px;
  --fb-panel: rgba(27, 49, 89, 0.42);
  --fb-panel-deep: rgba(6, 13, 26, 0.72);
}

/* ---------- 基础 ---------- */
.page-contact .fb-crumb {
  padding-top: 20px;
}

.page-contact .fb-mono {
  font-family: var(--nt-mono);
  letter-spacing: 0.02em;
}

.page-contact .fb-head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
  margin-bottom: 30px;
}

.page-contact .fb-secnum {
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nt-gold);
}

.page-contact .fb-head__title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.22;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: var(--nt-mist);
}

.page-contact .fb-head__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--nt-silver);
}

.page-contact .nt-divider {
  margin: 6px 0;
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  position: relative;
  padding-block: 26px 34px;
  overflow: hidden;
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  inset: -60px -10% auto -30%;
  height: 340px;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 100% at 18% 0%, rgba(79, 209, 197, 0.16), transparent 70%),
    radial-gradient(50% 100% at 82% 0%, rgba(255, 107, 53, 0.13), transparent 72%);
}

.page-contact .fb-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-contact .fb-hero__title {
  margin: 14px 0 16px;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--nt-mist);
}

.page-contact .fb-hero__lede {
  max-width: 44ch;
  color: var(--nt-silver);
}

.page-contact .fb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .fb-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-family: var(--nt-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--nt-cyan);
}

/* 联系卡 */
.page-contact .fb-contact-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 22px 20px;
  background: linear-gradient(160deg, var(--fb-panel), var(--fb-panel-deep));
}

.page-contact .fb-contact-card__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--nt-silver);
}

.page-contact .fb-copyrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-top: 14px;
  border-top: 1px solid var(--nt-line-soft);
}

.page-contact .fb-copyrow__key {
  flex: 0 0 100%;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nt-silver);
}

.page-contact .fb-copyrow__val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  word-break: break-all;
  color: var(--nt-mist);
}

.page-contact .fb-copyrow--plain .fb-copyrow__val {
  font-size: 14px;
  color: var(--nt-silver);
}

.page-contact .fb-copy-btn {
  flex: 0 0 auto;
  font-family: var(--nt-mono);
  font-size: 12px;
  padding: 7px 12px;
  border-radius: var(--nt-r-sm);
}

.page-contact .fb-contact-card__note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--nt-line-soft);
  line-height: 1.7;
}

/* ---------- 首屏图片带 ---------- */
.page-contact .fb-strip {
  padding-block: 10px 4px;
}

.page-contact .fb-strip__media {
  margin: 0;
  border-radius: var(--nt-r-lg);
  overflow: hidden;
  border: 1px solid var(--nt-line-soft);
}

.page-contact .fb-strip__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.92);
}

.page-contact .fb-strip__media .nt-media__caption {
  padding: 12px 4px 4px;
}

/* ---------- 反馈通道 ---------- */
.page-contact .fb-channels__grid {
  display: grid;
  gap: var(--fb-gap);
}

.page-contact .fb-channels__media {
  margin: 0;
  border-radius: var(--nt-r-organic);
  overflow: hidden;
}

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

.page-contact .fb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .fb-list__item {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 18px 18px 22px;
  overflow: hidden;
}

.page-contact .fb-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--nt-cyan);
}

.page-contact .fb-list__item:nth-child(2)::before {
  background: var(--nt-orange);
}

.page-contact .fb-list__item:nth-child(3)::before {
  background: var(--nt-gold);
}

.page-contact .fb-list__item:nth-child(4)::before {
  background: var(--nt-alert);
}

.page-contact .fb-list__num {
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--nt-silver);
}

.page-contact .fb-list__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--nt-mist);
}

.page-contact .fb-list__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--nt-silver);
}

.page-contact .fb-list__item .nt-tag {
  justify-self: start;
  margin-top: 2px;
}

.page-contact .fb-channels__aside {
  margin: 26px 0 0;
  padding: 16px 18px;
  border: 1px dashed rgba(79, 209, 197, 0.45);
  border-radius: var(--nt-r-md);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--nt-silver);
}

/* ---------- 联系方式 ---------- */
.page-contact .fb-contact__split {
  display: grid;
  gap: 30px;
}

.page-contact .fb-contact__main {
  display: grid;
  gap: 20px;
}

.page-contact .fb-cblock {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-contact .fb-cblock__val {
  margin: 0;
  font-size: clamp(17px, 3.4vw, 26px);
  line-height: 1.35;
  color: var(--nt-mist);
  word-break: break-all;
}

.page-contact .fb-cblock__desc {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--nt-silver);
}

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

.page-contact .fb-sidecard {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-md);
  background: var(--fb-panel-deep);
}

.page-contact .fb-sidecard--hours {
  border-color: rgba(232, 196, 106, 0.35);
}

.page-contact .fb-sidecard__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--nt-gold);
  word-break: break-all;
}

/* ---------- 提交前准备 ---------- */
.page-contact .fb-prepare__grid {
  display: grid;
  gap: 28px;
}

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

.page-contact .fb-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: start;
  gap: 6px 10px;
  padding: 16px 16px;
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-md);
  background: var(--fb-panel);
}

.page-contact .fb-steps__num {
  grid-row: span 2;
  font-family: var(--nt-mono);
  font-size: 20px;
  line-height: 1.3;
  color: var(--nt-gold);
}

.page-contact .fb-steps__title {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  color: var(--nt-mist);
}

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

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

.page-contact .fb-mock {
  padding: 20px 18px;
  border-radius: var(--nt-r-lg) var(--nt-r-sm) var(--nt-r-lg) var(--nt-r-sm);
  background: linear-gradient(150deg, rgba(27, 49, 89, 0.7), rgba(6, 13, 26, 0.9));
  border: 1px solid var(--nt-line);
}

.page-contact .fb-mock__title {
  margin: 0 0 14px;
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--nt-cyan);
}

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

.page-contact .fb-mock__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  padding: 11px 0;
  border-top: 1px solid var(--nt-line-soft);
}

.page-contact .fb-mock__row:first-child {
  border-top: 0;
}

.page-contact .fb-mock__k {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--nt-silver);
}

.page-contact .fb-mock__v {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--nt-mist);
  word-break: break-word;
}

.page-contact .fb-mock__s {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--nt-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: 999px;
}

.page-contact .fb-mock__s--ok {
  color: var(--nt-cyan);
  border: 1px solid rgba(79, 209, 197, 0.4);
}

.page-contact .fb-mock__s--miss {
  color: var(--nt-alert);
  border: 1px solid rgba(255, 77, 109, 0.5);
  background: rgba(255, 77, 109, 0.08);
}

.page-contact .fb-mock__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--nt-line-soft);
  line-height: 1.7;
}

.page-contact .fb-fold {
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-md);
  background: rgba(16, 31, 60, 0.5);
  padding: 14px 18px;
}

.page-contact .fb-fold__sum {
  cursor: pointer;
  font-size: 14.5px;
  color: var(--nt-mist);
  letter-spacing: 0.02em;
}

.page-contact .fb-fold__sum::marker {
  color: var(--nt-orange);
}

.page-contact .fb-fold[open] .fb-fold__sum {
  color: var(--nt-cyan);
}

.page-contact .fb-fold__list {
  margin: 12px 0 4px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--nt-silver);
}

/* ---------- 回复节奏 ---------- */
.page-contact .fb-timing__grid {
  display: grid;
  gap: 30px;
}

.page-contact .fb-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--nt-line);
  display: grid;
  gap: 26px;
}

.page-contact .fb-timeline__item {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-contact .fb-timeline__item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--nt-deep);
  border: 2px solid var(--nt-cyan);
  box-shadow: 0 0 0 4px rgba(79, 209, 197, 0.1);
}

.page-contact .fb-timeline__item:nth-child(2)::before {
  border-color: var(--nt-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.page-contact .fb-timeline__item:nth-child(3)::before {
  border-color: var(--nt-gold);
  box-shadow: 0 0 0 4px rgba(232, 196, 106, 0.1);
}

.page-contact .fb-timeline__num {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--nt-gold);
}

.page-contact .fb-timeline__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--nt-mist);
}

.page-contact .fb-timeline__text {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--nt-silver);
}

.page-contact .fb-scope {
  padding: 22px 20px;
}

.page-contact .fb-scope__title {
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--nt-mist);
}

.page-contact .fb-scope__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .fb-scope__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--nt-silver);
}

.page-contact .fb-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--nt-cyan);
}

.page-contact .fb-scope__list li:nth-child(2n)::before {
  background: var(--nt-orange);
}

.page-contact .fb-scope__list li:nth-child(3)::before {
  background: var(--nt-gold);
}

/* ---------- 延伸入口 ---------- */
.page-contact .fb-next__grid {
  gap: 14px;
}

.page-contact .fb-next__card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px;
  text-decoration: none;
  border-radius: var(--nt-r-md);
}

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

.page-contact .fb-next__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--nt-silver);
}

.page-contact .fb-next__go {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--nt-cyan);
}

.page-contact .fb-next__card:hover .fb-next__go,
.page-contact .fb-next__card:focus-visible .fb-next__go {
  color: var(--nt-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .fb-copyrow__key {
    flex: 0 0 84px;
  }

  .page-contact .fb-steps__item {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 18px 20px;
  }

  .page-contact .fb-next__grid {
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-contact .fb-hero {
    padding-block: 40px 48px;
  }

  .page-contact .fb-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .fb-contact-card {
    position: sticky;
    top: calc(var(--nt-header-h) + 20px);
    padding: 28px 26px;
  }

  .page-contact .fb-channels__grid {
    grid-template-columns: 5fr 7fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .fb-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fb-contact__split {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-contact .fb-contact__main {
    gap: 26px;
  }

  .page-contact .fb-prepare__grid {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    align-items: start;
  }

  .page-contact .fb-timing__grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .fb-scope {
    padding: 26px 24px;
  }
}
<<<END>>>