/* ============================================================
   功能中心 / page-products
   页面专属样式，全部限定在 .page-products 作用域内
   ============================================================ */

.page-products {
  --fn-rule: rgba(14, 27, 42, .12);
  --fn-card: #FBF8F1;
  --fn-shadow: 0 20px 44px -32px rgba(14, 27, 42, .55);
  --fn-accent: var(--gold);
  background: var(--paper-warm);
  display: block;
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */

.page-products .crumb-bar {
  background: var(--ink-900);
  padding-top: 16px;
}

.page-products .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-products .crumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(169, 184, 201, .45);
}

.page-products .crumb-list a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .crumb-list a:hover,
.page-products .crumb-list a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.page-products .crumb-list [aria-current="page"] {
  color: var(--gold-soft);
}

/* ---------- 首屏 ---------- */

.page-products .fn-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(36px, 6vw, 76px) 0 clamp(42px, 6vw, 84px);
  border-bottom: 1px solid var(--hair-dark);
}

.page-products .fn-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(245, 241, 232, .03) 0 1px,
    transparent 1px 9px
  );
  pointer-events: none;
}

.page-products .fn-hero::after {
  content: "";
  position: absolute;
  top: -28%;
  right: -14%;
  width: min(660px, 78vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(201, 162, 39, .2), rgba(201, 162, 39, 0) 68%);
  pointer-events: none;
}

.page-products .fn-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
  max-width: 1020px;
}

.page-products .fn-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.page-products .fn-hero__eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold);
}

.page-products .fn-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(30px, 6.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: #FDFAF3;
}

.page-products .fn-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(245, 241, 232, .8);
}

.page-products .fn-hero__peek {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fn-hero__peek-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px 8px 11px;
  border: 1px solid var(--hair-dark);
  border-radius: 999px;
  background: rgba(245, 241, 232, .05);
  font-size: 13px;
  color: rgba(245, 241, 232, .86);
}

.page-products .fn-hero__peek-item span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold-soft);
}

.page-products .fn-hero__peek-item--celadon { border-color: rgba(111, 158, 142, .55); }
.page-products .fn-hero__peek-item--celadon span { color: var(--celadon); }
.page-products .fn-hero__peek-item--terracotta { border-color: rgba(196, 114, 74, .55); }
.page-products .fn-hero__peek-item--terracotta span { color: var(--terracotta); }
.page-products .fn-hero__peek-item--slate { border-color: rgba(169, 184, 201, .55); }
.page-products .fn-hero__peek-item--slate span { color: var(--slate); }
.page-products .fn-hero__peek-item--plum { border-color: rgba(75, 58, 107, .75); }
.page-products .fn-hero__peek-item--plum span { color: #A995D6; }
.page-products .fn-hero__peek-item--moss { border-color: rgba(79, 107, 87, .8); }
.page-products .fn-hero__peek-item--moss span { color: #8FBFA0; }

/* ---------- 索引 + 内容 布局 ---------- */

.page-products .fn-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 40px);
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(36px, 5vw, 76px);
  align-items: start;
}

.page-products .fn-index {
  padding: 18px;
  background: var(--fn-card);
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius);
  min-width: 0;
}

.page-products .fn-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .fn-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .fn-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  border-left: 3px solid var(--fn-accent, var(--gold));
  border-radius: var(--radius-sm);
  color: var(--ink-700);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .fn-index__link:hover,
.page-products .fn-index__link:focus-visible {
  background: rgba(201, 162, 39, .12);
  color: var(--ink-900);
}

.page-products .fn-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--fn-accent, var(--rock));
}

.page-products .fn-index__link--celadon { --fn-accent: var(--celadon); }
.page-products .fn-index__link--terracotta { --fn-accent: var(--terracotta); }
.page-products .fn-index__link--slate { --fn-accent: var(--slate); }
.page-products .fn-index__link--plum { --fn-accent: var(--plum); }
.page-products .fn-index__link--moss { --fn-accent: var(--moss); }

.page-products .fn-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--fn-rule);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .fn-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  min-width: 0;
}

/* ---------- 功能区块 ---------- */

.page-products .fn-block {
  position: relative;
  padding: clamp(24px, 4vw, 46px);
  background: var(--fn-card);
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius);
  box-shadow: var(--fn-shadow);
  scroll-margin-top: calc(var(--header-h) + 24px);
  min-width: 0;
  overflow: hidden;
}

.page-products .fn-block::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--fn-accent) 0%, var(--fn-accent) 26%, transparent 100%);
}

.page-products .fn-block:target {
  box-shadow: 0 0 0 2px var(--fn-accent), var(--fn-shadow);
}

.page-products .fn-block--celadon { --fn-accent: var(--celadon); }
.page-products .fn-block--terracotta { --fn-accent: var(--terracotta); }
.page-products .fn-block--slate { --fn-accent: var(--slate); }
.page-products .fn-block--plum { --fn-accent: var(--plum); }
.page-products .fn-block--moss { --fn-accent: var(--moss); }

.page-products .fn-block__head {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 9px;
  align-items: start;
}

.page-products .fn-block__no {
  grid-column: 1;
  grid-row: 1 / span 3;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--fn-accent);
}

.page-products .fn-block__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  color: var(--ink-900);
}

.page-products .fn-block__kicker {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .fn-tag {
  grid-column: 2;
  justify-self: start;
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--fn-rule);
  border-radius: 999px;
  background: rgba(14, 27, 42, .045);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--rock);
}

.page-products .fn-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--fn-accent);
  vertical-align: middle;
}

.page-products .fn-block__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 24px;
  min-width: 0;
}

.page-products .fn-block__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--ink-700);
}

.page-products .fn-block__text p:last-child {
  margin-bottom: 0;
}

.page-products .fn-fig {
  margin: 0;
  min-width: 0;
}

.page-products .fn-fig .media-frame {
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--fn-rule);
  aspect-ratio: 3 / 2;
  background: linear-gradient(150deg, var(--paper-deep), var(--clay));
}

.page-products .fn-fig .media-frame--wide {
  aspect-ratio: 14 / 9;
}

.page-products .fn-fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .fn-fig .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 要点列表 ---------- */

.page-products .fn-points {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--fn-rule);
}

.page-products .fn-points li {
  position: relative;
  padding: 13px 14px 13px 34px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
  border-bottom: 1px solid var(--fn-rule);
}

.page-products .fn-points li:last-child {
  border-bottom: 0;
}

.page-products .fn-points li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--fn-accent);
}

.page-products .fn-points strong {
  color: var(--ink-900);
  font-weight: 700;
}

/* ---------- 查询结果表 ---------- */

.page-products .fn-query {
  margin-top: 26px;
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow-x: auto;
}

.page-products .fn-query table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fn-query__cap {
  caption-side: top;
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .fn-query th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--rock);
  background: var(--paper-warm);
  border-bottom: 1px solid var(--fn-rule);
  white-space: nowrap;
}

.page-products .fn-query td {
  padding: 13px 16px;
  color: var(--ink-700);
  border-bottom: 1px solid var(--fn-rule);
}

.page-products .fn-query td:first-child {
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .fn-query tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .fn-query tbody tr:hover {
  background: rgba(111, 158, 142, .1);
}

/* ---------- 步骤 ---------- */

.page-products .fn-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .fn-step {
  position: relative;
  padding: 18px 16px 16px;
  background: #fff;
  border: 1px solid var(--fn-rule);
  border-top: 3px solid var(--fn-accent);
  border-radius: var(--radius-sm);
}

.page-products .fn-step__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--fn-accent);
}

.page-products .fn-step__name {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .fn-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 企业 V4 四板块 ---------- */

.page-products .fn-panels {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .fn-panel {
  padding: 16px 16px 15px;
  background: #fff;
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius-sm);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-products .fn-panel:hover {
  border-color: rgba(75, 58, 107, .5);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .18);
}

.page-products .fn-panel__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--plum);
}

.page-products .fn-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 更新日历 ---------- */

.page-products .fn-calendar {
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(75, 58, 107, .08), rgba(201, 162, 39, .09));
}

.page-products .fn-calendar__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rock);
}

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

.page-products .fn-calendar__days li {
  position: relative;
  padding: 8px 14px;
  border: 1px solid var(--fn-rule);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 13px;
  color: var(--rock);
}

.page-products .fn-calendar__days li.is-update {
  border-color: var(--plum);
  background: var(--ink-900);
  color: var(--gold-soft);
  font-weight: 700;
  cursor: default;
}

.page-products .fn-calendar__days li.is-update span {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 6px);
  width: max-content;
  max-width: 220px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--ink-900);
  color: var(--paper);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease);
}

.page-products .fn-calendar__days li.is-update:hover span,
.page-products .fn-calendar__days li.is-update:focus-within span {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 资料库统计 ---------- */

.page-products .fn-archive {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .fn-archive__stat {
  padding: 18px 16px;
  border: 1px solid var(--fn-rule);
  border-left: 3px solid var(--fn-accent);
  border-radius: var(--radius-sm);
  background: #fff;
}

.page-products .fn-archive__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink-900);
}

.page-products .fn-archive__unit {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fn-accent);
}

.page-products .fn-archive__desc {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 收束区 ---------- */

.page-products .fn-tail {
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(38px, 6vw, 78px) 0;
  border-top: 3px solid var(--gold);
}

.page-products .fn-tail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .fn-tail__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.page-products .fn-tail__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.32;
  color: #FDFAF3;
}

.page-products .fn-tail__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(245, 241, 232, .78);
}

.page-products .fn-tail__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .fn-tail__links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--hair-dark);
  border-radius: var(--radius-sm);
  background: rgba(245, 241, 232, .05);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .fn-tail__links a:hover,
.page-products .fn-tail__links a:focus-visible {
  background: rgba(201, 162, 39, .16);
  border-color: var(--gold);
  transform: translateX(3px);
}

.page-products .fn-tail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 700px) {
  .page-products .fn-block__cols {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .fn-block--flip .fn-block__cols > .fn-block__text {
    order: 2;
  }

  .page-products .fn-steps--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .fn-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .fn-archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .fn-tail__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

/* ---------- 桌面：左侧固定功能索引 ---------- */

@media (min-width: 1024px) {
  .page-products .fn-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 52px;
  }

  .page-products .fn-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-products .fn-index__list {
    display: grid;
    gap: 3px;
  }

  .page-products .fn-index__link {
    padding: 10px 12px;
  }

  .page-products .fn-steps--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .fn-panels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 动效收敛 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .fn-index__link,
  .page-products .fn-panel,
  .page-products .fn-tail__links a,
  .page-products .fn-calendar__days li.is-update span {
    transition: none;
  }

  .page-products .fn-tail__links a:hover,
  .page-products .fn-tail__links a:focus-visible {
    transform: none;
  }
}