/* ===== 页面作用域：功能中心 /features/ ===== */
.page-products {
  --fc-zebra: #132019;
  --fc-tree-bg: #071310;
  background: var(--void-black);
  color: var(--text-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .fc-hero {
  position: relative;
  padding: clamp(26px, 5.5vw, 68px) 0 clamp(26px, 5vw, 54px);
  background:
    radial-gradient(120% 92% at 84% 0%, rgba(53, 242, 192, 0.11), transparent 58%),
    radial-gradient(90% 70% at 6% 100%, rgba(201, 162, 39, 0.07), transparent 62%),
    linear-gradient(180deg, var(--pitch-deep) 0%, var(--void-black) 82%);
}

.page-products .fc-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-products .fc-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.2vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-products .fc-hero__lede {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .fc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fc-hero__meta li {
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
}

.page-products .fc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-products .fc-toc a {
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-products .fc-toc a:hover,
.page-products .fc-toc a:focus-visible {
  color: var(--signal-cyan);
  border-color: var(--line-cyan);
  background: rgba(53, 242, 192, 0.06);
}

/* ---------- 章节骨架 ---------- */
.page-products .fc-sec {
  position: relative;
  padding: clamp(46px, 7.5vw, 100px) 0;
  border-top: 1px solid var(--line-gold);
}

.page-products .fc-sec .section-head {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

/* ---------- 总览 Bento ---------- */
.page-products .fc-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .fc-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: 22px;
  background: var(--pitch-deep);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: background 0.24s var(--ease-out), border-color 0.24s var(--ease-out);
}

.page-products .fc-cell:hover,
.page-products .fc-cell:focus-visible {
  background: var(--turf-mid);
  border-color: var(--line-cyan);
}

.page-products .fc-cell.panel--gold {
  border-color: var(--line-gold);
}

.page-products .fc-cell__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-products .fc-cell__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .fc-cell__n {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6.4vw, 3.4rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--chalk);
}

.page-products .fc-cell__n--signal {
  color: var(--signal-cyan);
}

.page-products .fc-cell__n--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  letter-spacing: 0.02em;
  color: var(--gold-trace);
}

.page-products .fc-cell__t {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-body);
}

.page-products .fc-cell__go {
  margin: 0;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-products .fc-cell__media {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.page-products .fc-cell__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 图文分栏 ---------- */
.page-products .fc-split {
  display: grid;
  gap: 26px;
  align-items: start;
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-products .fc-split__text {
  min-width: 0;
}

.page-products .fc-split__viz {
  min-width: 0;
}

.page-products .fc-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--shade-teal);
}

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

.page-products .fc-link-row {
  margin: 20px 0 0;
}

/* ---------- 数据小列表 ---------- */
.page-products .fc-facts {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .fc-facts li {
  display: grid;
  grid-template-columns: 6.4em 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
}

.page-products .fc-facts b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--signal-cyan);
}

/* ---------- 同心刻度 ---------- */
.page-products .fc-dial {
  display: block;
  width: min(100%, 320px);
  height: auto;
  margin: 0 auto 22px;
}

.page-products .fc-legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .fc-legend li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .fc-legend b {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--chalk);
  margin-bottom: 2px;
}

.page-products .fc-legend__dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: var(--pill);
}

.page-products .fc-legend__dot--cyan { background: var(--signal-cyan); }
.page-products .fc-legend__dot--gold { background: var(--gold-trace); }
.page-products .fc-legend__dot--dim { background: var(--cyan-dim); }
.page-products .fc-legend__dot--orange { background: var(--alert-orange); }

/* ---------- 周报结构树 ---------- */
.page-products .fc-tree {
  display: grid;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .fc-tree details {
  overflow: hidden;
  background: var(--fc-tree-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color 0.24s var(--ease-out);
}

.page-products .fc-tree details[open] {
  border-color: var(--line-cyan);
}

.page-products .fc-tree summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--chalk);
}

.page-products .fc-tree summary::-webkit-details-marker {
  display: none;
}

.page-products .fc-tree summary::after {
  content: "+";
  margin-left: auto;
  font-size: 16px;
  line-height: 1;
  color: var(--signal-cyan);
}

.page-products .fc-tree details[open] summary::after {
  content: "–";
}

.page-products .fc-tree .chip {
  margin-left: 0;
}

.page-products .fc-tree__body {
  padding: 0 18px 18px;
}

.page-products .fc-tree__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .fc-tree__body li {
  padding-left: 14px;
  border-left: 2px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .fc-tree__body b {
  font-weight: 600;
  color: var(--chalk);
}

/* ---------- 口径编号 ---------- */
.page-products .fc-calibers {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .fc-calibers li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .fc-calibers__d {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}

.page-products .fc-note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 薪资矩阵 ---------- */
.page-products .fc-table-wrap {
  margin-top: clamp(26px, 4vw, 42px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
}

.page-products .fc-salary-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}

.page-products .fc-salary-table__cap {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--shade-teal);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .fc-salary-table th,
.page-products .fc-salary-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  vertical-align: top;
}

.page-products .fc-salary-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: var(--shade-teal);
  border-bottom: 1px solid var(--line-gold);
  white-space: nowrap;
}

.page-products .fc-salary-table thead th:first-child {
  z-index: 3;
}

.page-products .fc-salary-table tbody tr:nth-child(odd) > * {
  background-color: var(--fc-zebra);
}

.page-products .fc-salary-table tbody tr:nth-child(even) > * {
  background-color: var(--void-black);
}

.page-products .fc-salary-table tbody tr > :first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--chalk);
  white-space: nowrap;
  border-right: 1px solid var(--line-gold);
}

/* ---------- 两端对比 ---------- */
.page-products .fc-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  background: var(--shade-teal);
}

.page-products .fc-tabs button {
  padding: 8px 20px;
  border: 0;
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-products .fc-tabs button:hover,
.page-products .fc-tabs button:focus-visible {
  color: var(--chalk);
}

.page-products .fc-tabs button.is-active,
.page-products .fc-tabs button[aria-selected="true"] {
  background: var(--signal-cyan);
  color: #06231a;
}

.page-products .fc-panels {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-products .fc-panel {
  padding: 24px;
}

.page-products .fc-panel h3 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  color: var(--chalk);
}

.page-products .fc-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .fc-panel li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-body);
}

.page-products .fc-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: var(--pill);
  background: var(--cyan-dim);
}

/* ---------- 版本与后续 ---------- */
.page-products .fc-roadmap {
  display: grid;
  gap: 14px;
}

.page-products .fc-roadmap .panel {
  padding: 24px;
}

.page-products .fc-roadmap__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .fc-roadmap__t {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-products .fc-roadmap .panel p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-products .fc-outro {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-products .fc-outro p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .fc-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px !important;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .fc-bento {
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
  }

  .page-products .fc-cell--lead { grid-column: span 7; }
  .page-products .fc-cell--salary { grid-column: span 5; }
  .page-products .fc-cell--weekly,
  .page-products .fc-cell--caliber,
  .page-products .fc-cell--platform { grid-column: span 4; }

  .page-products .fc-cell--lead {
    flex-direction: row;
    align-items: stretch;
    gap: 22px;
  }

  .page-products .fc-cell--lead .fc-cell__body {
    flex: 1 1 52%;
    justify-content: flex-start;
  }

  .page-products .fc-cell--lead .fc-cell__media {
    flex: 1 1 44%;
    min-height: 220px;
  }

  .page-products .fc-roadmap {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .fc-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.94fr);
    gap: 52px;
  }

  .page-products .fc-split--rev > .fc-split__text {
    order: 2;
  }

  .page-products .fc-split--rev > .fc-figure {
    order: 1;
  }

  .page-products .fc-facts li {
    grid-template-columns: 7.6em 1fr;
  }

  .page-products .fc-dial {
    width: min(100%, 360px);
  }

  .page-products .fc-panels {
    gap: 16px;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1180px) {
  .page-products .fc-hero__lede {
    max-width: 58ch;
  }

  .page-products .fc-cell {
    padding: 26px;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .fc-cell,
  .page-products .fc-toc a,
  .page-products .fc-tabs button,
  .page-products .fc-tree details {
    transition: none;
  }
}