.page-contact {
  --fc-gap: clamp(20px, 3.2vw, 36px);
  --fc-pane: linear-gradient(180deg, rgba(16, 38, 66, 0.92), rgba(11, 24, 48, 0.92));
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .rig-breadcrumb {
  margin-bottom: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .fc-hero {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  padding-top: clamp(18px, 3vw, 32px);
  border-top: var(--bd) solid var(--line);
}

.page-contact .fc-hero__title {
  margin: 14px 0 20px;
  font-size: clamp(42px, 9vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-weight: 900;
  color: var(--text);
}

.page-contact .fc-hero__accent {
  display: inline-block;
  color: var(--cyan);
  text-shadow: 0 0 28px rgba(40, 224, 255, 0.35);
}

.page-contact .fc-hero__lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
}

.page-contact .fc-hero__jump {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* 联系卡 */
.page-contact .fc-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--panel);
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .fc-card::before {
  content: "";
  position: absolute;
  top: calc(-1 * var(--bd));
  left: calc(-1 * var(--bd));
  width: 6px;
  height: 46px;
  background: var(--cyan);
}

.page-contact .fc-card__title {
  margin: 8px 0 4px;
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .fc-contact {
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .fc-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .fc-contact__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .fc-contact__value {
  flex: 1 1 auto;
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
  word-break: break-all;
}

.page-contact .fc-contact__value--plain {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--cyan-soft);
}

.page-contact .fc-copy {
  flex: 0 0 auto;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .fc-copy:hover,
.page-contact .fc-copy:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  outline: none;
}

.page-contact .fc-copy[data-state="copied"],
.page-contact .fc-copy[data-state="done"] {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .fc-card__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 区块标题 ---------- */
.page-contact .fc-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: var(--fc-gap);
}

.page-contact .fc-head__title {
  margin: 0;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .fc-head__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 入口对照 ---------- */
.page-contact .fc-routes__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .fc-route {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-800);
  border: var(--bd) solid var(--line);
  box-shadow: 4px 4px 0 rgba(3, 9, 18, 0.85);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .fc-route:hover,
.page-contact .fc-route:focus-within {
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(3, 9, 18, 0.85), var(--shadow-glow);
  transform: translateY(-2px);
}

.page-contact .fc-route--b { border-left-width: 6px; border-left-color: var(--cyan); }
.page-contact .fc-route--c { border-left-width: 6px; border-left-color: var(--lime); }

.page-contact .fc-route__title {
  margin: 14px 0 10px;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.35;
  color: var(--text);
}

.page-contact .fc-route__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fc-route__list {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 8px;
}

.page-contact .fc-route__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .fc-route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .fc-route--c .fc-route__list li::before { background: var(--lime); }

.page-contact .fc-routes__figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-contact .fc-routes__figure .rig-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 服务范围 ---------- */
.page-contact .fc-scope__lead {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .fc-facts {
  display: grid;
  gap: 1px;
  margin: 0 0 20px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .fc-fact {
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-contact .fc-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .fc-fact dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan-soft);
}

.page-contact .fc-scope__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .fc-scope__figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

.page-contact .fc-scope__figure .rig-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 处理流程 ---------- */
.page-contact .fc-steps {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .fc-steps__line {
  display: none;
}

.page-contact .fc-step {
  padding: 22px 20px 20px;
  background: var(--fc-pane);
  border: var(--bd) solid var(--line);
}

.page-contact .fc-step__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .fc-step__title {
  margin: 10px 0 8px;
  font-size: 19px;
  line-height: 1.3;
  color: var(--text);
}

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

/* ---------- 提交前准备 ---------- */
.page-contact .fc-prep__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .fc-checklist {
  display: grid;
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .fc-checklist li {
  position: relative;
  padding: 0 0 14px 42px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fc-check__n {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .fc-checklist strong {
  color: var(--text);
  font-weight: 700;
}

.page-contact .fc-prep__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .fc-types {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .fc-types li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  padding: 14px 16px;
  background: var(--ink-800);
  transition: background 160ms var(--ease);
}

.page-contact .fc-types li:hover {
  background: var(--panel);
}

.page-contact .fc-types__num {
  grid-row: span 2;
  align-self: start;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .fc-types__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .fc-types__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 结尾 ---------- */
.page-contact .fc-tail__text {
  margin: 0;
  padding: clamp(18px, 3vw, 26px);
  border: var(--bd) solid var(--line);
  border-left: 6px solid var(--cyan);
  background: rgba(16, 38, 66, 0.45);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .fc-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .fc-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .fc-route--b { margin-top: 34px; }
  .page-contact .fc-route--c { margin-top: 68px; }

  .page-contact .fc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 22px);
    padding-top: 34px;
  }
  .page-contact .fc-steps__line {
    display: block;
    position: absolute;
    top: 6px;
    left: 0;
    width: 100%;
    height: 20px;
    color: var(--cyan);
    opacity: 0.6;
    pointer-events: none;
  }
}

@media (min-width: 900px) {
  .page-contact .fc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }
  .page-contact .fc-card {
    margin-top: clamp(20px, 5vw, 64px);
  }
  .page-contact .fc-scope {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4.5vw, 64px);
    align-items: center;
  }
  .page-contact .fc-scope__figure {
    margin: 0;
  }
  .page-contact .fc-prep__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fc-route,
  .page-contact .fc-copy,
  .page-contact .fc-types li {
    transition: none;
  }
  .page-contact .fc-route:hover,
  .page-contact .fc-route:focus-within {
    transform: none;
  }
}