.page-contact {
  --fb-radius: 2px;
  --fb-strip: linear-gradient(90deg, var(--orange) 0 16%, var(--cyan) 16% 44%, var(--orange-soft) 44% 70%, var(--cyan-soft) 70% 100%);
  background: var(--ink);
  color: var(--text);
}

.page-contact .fb-crumb {
  margin-bottom: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .fb-hero {
  position: relative;
  padding: clamp(18px, 4vw, 30px) 0 clamp(34px, 6vw, 64px);
  background: linear-gradient(180deg, #0C2033 0%, var(--ink) 68%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .fb-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--fb-strip);
  opacity: 0.9;
}

.page-contact .fb-hero-grid {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  align-items: start;
}

.page-contact .fb-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 8.2vw, 56px);
  line-height: 1.06;
  letter-spacing: 0.03em;
  font-weight: 700;
  margin: 10px 0 14px;
  text-wrap: balance;
}

.page-contact .fb-lede {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .fb-ready {
  margin-top: clamp(20px, 4vw, 30px);
  padding: 18px 18px 16px;
  color: var(--ink);
}

.page-contact .fb-ready-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-deep);
}

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

.page-contact .fb-ready-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .fb-ready-num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 26px;
  background: var(--ink);
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.06em;
  border-radius: var(--fb-radius);
}

.page-contact .fb-ready-list strong {
  display: block;
  font-size: 15px;
  line-height: 1.5;
}

.page-contact .fb-ready-list p {
  margin: 3px 0 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--muted-deep);
}

.page-contact .fb-hero-side {
  padding: 20px 18px 22px;
}

.page-contact .fb-channel {
  list-style: none;
  margin: 14px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .fb-channel li {
  display: grid;
  gap: 4px;
}

.page-contact .fb-pill-key {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .fb-pill {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 26, 43, 0.6);
  font-size: 14px;
  letter-spacing: 0.01em;
  word-break: break-all;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .fb-pill--wide {
  line-height: 1.5;
}

.page-contact .fb-clock {
  border-top: 1px dashed var(--line);
  padding-top: 16px;
  margin-bottom: 18px;
}

.page-contact .fb-clock-time {
  margin: 0 0 8px;
  font-size: clamp(22px, 5vw, 28px);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-contact .fb-clock-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-contact .fb-sec {
  padding: clamp(38px, 7vw, 68px) 0;
}

.page-contact .fb-sec--band {
  background: linear-gradient(180deg, rgba(16, 37, 56, 0.82), rgba(10, 26, 43, 0.95));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .fb-head {
  margin-bottom: clamp(20px, 4vw, 30px);
}

.page-contact .fb-head .section-note {
  max-width: 62ch;
}

/* ---------- 01 模板 ---------- */
.page-contact .fb-tpl-grid {
  display: grid;
  gap: clamp(20px, 4vw, 30px);
  align-items: start;
}

.page-contact .fb-template {
  padding: 16px 16px 18px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .fb-tpl-head {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(10, 26, 43, 0.18);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-deep);
}

.page-contact .fb-template p {
  margin: 0 0 9px;
  word-break: break-word;
}

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

.page-contact .fb-template strong {
  color: var(--ink);
  font-weight: 700;
}

.page-contact .fb-tips {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .fb-tips li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .fb-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .fb-fig {
  margin: 0;
}

.page-contact .fb-fig-media {
  aspect-ratio: 9 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--fb-radius);
  background: var(--ink-panel);
}

.page-contact .fb-fig-media img,
.page-contact .fb-flow-fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .fb-fig figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 02 时段 ---------- */
.page-contact .fb-time-grid {
  display: grid;
  gap: 12px;
}

.page-contact .fb-stat {
  padding: 18px 16px;
  background: rgba(10, 26, 43, 0.55);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--fb-radius);
}

.page-contact .fb-stat--orange {
  border-left-color: var(--orange);
}

.page-contact .fb-stat-num {
  margin: 0 0 6px;
  font-size: clamp(24px, 5.4vw, 32px);
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-contact .fb-stat--orange .fb-stat-num {
  color: var(--orange);
}

.page-contact .fb-stat-label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-contact .fb-stat-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 03 渠道分流 ---------- */
.page-contact .fb-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .fb-types {
  display: grid;
  gap: 12px;
}

.page-contact [data-filter-item][hidden] {
  display: none;
}

.page-contact .fb-type {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-radius: var(--fb-radius);
  transition: border-color 160ms var(--ease);
}

.page-contact .fb-type:hover {
  border-color: var(--line-soft);
}

.page-contact .fb-type .tag {
  align-self: flex-start;
}

.page-contact .fb-type h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.page-contact .fb-type p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .fb-type-go {
  margin-top: auto !important;
  padding-top: 6px;
  color: var(--cyan) !important;
}

.page-contact .fb-type-go .mono {
  color: var(--muted);
  margin-right: 6px;
  font-size: 12px;
}

/* ---------- 04 流程 ---------- */
.page-contact .fb-flow-fig {
  aspect-ratio: 3 / 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--fb-radius);
  background: var(--ink-deep);
  margin-bottom: clamp(16px, 3vw, 24px);
}

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

.page-contact .fb-step {
  position: relative;
  padding: 16px 16px 18px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--fb-radius);
}

.page-contact .fb-step--alert {
  border-top-color: var(--orange);
}

.page-contact .fb-step--done {
  border-top-color: var(--cyan-soft);
}

.page-contact .fb-step-num {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .fb-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.06em;
}

.page-contact .fb-step--alert h3 {
  color: var(--orange);
}

.page-contact .fb-step--done h3 {
  color: var(--cyan);
}

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

/* ---------- 05 补充材料 ---------- */
.page-contact .fb-extra {
  display: grid;
  gap: 8px;
}

.page-contact .fb-extra-item {
  background: rgba(16, 37, 56, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--fb-radius);
}

.page-contact .fb-extra-item .expand-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: none;
  border: 0;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}

.page-contact .fb-extra-item .expand-trigger:hover {
  color: var(--cyan-soft);
}

.page-contact .fb-extra-sign {
  flex: none;
  color: var(--cyan);
  font-size: 16px;
  line-height: 1;
  transition: transform 160ms var(--ease);
}

.page-contact .fb-extra-item .expand-trigger[aria-expanded="true"] .fb-extra-sign {
  transform: rotate(45deg);
}

.page-contact .fb-extra-panel {
  padding: 0 16px 16px;
}

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

.page-contact .fb-note {
  margin-top: clamp(22px, 4vw, 32px);
  padding: 18px;
  color: var(--ink);
}

.page-contact .fb-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
}

.page-contact .fb-note .link-arrow {
  margin: 0 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .fb-time-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .fb-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .fb-tpl-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

@media (min-width: 1040px) {
  .page-contact .fb-types {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fb-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-type,
  .page-contact .fb-extra-sign {
    transition: none;
  }
}