.page-products {
  --fn-gap: clamp(16px, 2.6vw, 30px);
  --fn-radius: 18px;
  --fn-radius-sm: 12px;
  --fn-rail: 264px;
  --fn-hairline: rgba(42, 49, 60, .9);
}

/* ---------- 首屏 ---------- */
.page-products .fn-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 62px) clamp(38px, 6vw, 78px);
  background-color: var(--space-black);
  background-image:
    radial-gradient(1100px 520px at 84% -14%, rgba(232, 178, 58, .18), transparent 62%),
    radial-gradient(820px 460px at 4% 112%, rgba(62, 123, 250, .16), transparent 66%),
    linear-gradient(160deg, rgba(21, 26, 34, .92), rgba(11, 14, 19, 1) 64%);
  border-bottom: 1px solid var(--line);
}

.page-products .fn-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: 18%;
  width: min(560px, 64vw);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .5;
  transform: rotate(-13deg);
  pointer-events: none;
}

.page-products .fn-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-products .fn-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text-dark);
}

.page-products .fn-hero .lede {
  margin-top: 16px;
  max-width: 54ch;
  color: rgba(245, 247, 250, .82);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
}

.page-products .fn-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .fn-hero__stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-products .fn-tile {
  padding: 18px 20px;
  border-radius: var(--fn-radius);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(29, 36, 47, .94), rgba(21, 26, 34, .94));
  box-shadow: 0 18px 40px rgba(0, 0, 0, .38);
}

.page-products .fn-tile--wide {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  border-color: rgba(232, 178, 58, .44);
  background: linear-gradient(140deg, rgba(232, 178, 58, .16), rgba(21, 26, 34, .95) 62%);
}

.page-products .fn-tile__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-products .fn-tile__num--word {
  font-size: clamp(20px, 3vw, 26px);
  color: var(--gold-glow);
  font-family: var(--font-display);
  font-weight: 900;
}

.page-products .fn-tile__text {
  margin: 0;
  color: rgba(245, 247, 250, .8);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ---------- 章节条 ---------- */
.page-products .fn-toc {
  position: sticky;
  top: var(--header-offset);
  z-index: 20;
  background: rgba(11, 14, 19, .92);
  border-block: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.page-products .fn-toc__inner {
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .fn-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-products .fn-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  min-width: max-content;
}

.page-products .fn-toc__list .toc__link {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: rgba(245, 247, 250, .68);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-products .fn-toc__list .toc__link:hover,
.page-products .fn-toc__list .toc__link:focus-visible {
  color: var(--gold-glow);
  border-color: rgba(232, 178, 58, .45);
  background: rgba(232, 178, 58, .1);
}

.page-products .fn-toc__list .toc__link.is-active,
.page-products .fn-toc__list .toc__link[aria-current="true"] {
  color: var(--gold);
  border-color: rgba(232, 178, 58, .55);
  background: rgba(232, 178, 58, .14);
}

/* ---------- 通用小件 ---------- */
.page-products .fn-subtitle {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-products .fn-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
}

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

.page-products .fn-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-products .fn-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-products .section--paper .fn-points li::before {
  background: var(--blue);
}

/* ---------- 标签档案夹 ---------- */
.page-products .fn-tabs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fn-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .fn-tabs__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-products .fn-tab {
  flex: 0 0 auto;
  display: grid;
  gap: 3px;
  min-width: 168px;
  padding: 13px 16px;
  text-align: left;
  border-radius: var(--fn-radius-sm);
  border: 1px solid var(--line);
  background: rgba(21, 26, 34, .74);
  color: rgba(245, 247, 250, .8);
  cursor: pointer;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .fn-tab:hover {
  border-color: rgba(232, 178, 58, .38);
  transform: translateY(-2px);
}

.page-products .fn-tab.is-active,
.page-products .fn-tab[aria-selected="true"] {
  border-color: rgba(232, 178, 58, .62);
  background: linear-gradient(140deg, rgba(232, 178, 58, .2), rgba(21, 26, 34, .94) 68%);
  color: var(--text-dark);
}

.page-products .fn-tab__no {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .fn-tab__name {
  font-weight: 800;
  font-size: 16px;
}

.page-products .fn-tab__hint {
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .fn-tabs__panels {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--fn-radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(29, 36, 47, .78), rgba(15, 19, 26, .92));
  box-shadow: var(--shadow-panel);
  min-height: 240px;
}

.page-products .fn-panel[hidden] {
  display: none !important;
}

.page-products .fn-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--text-dark);
}

.page-products .fn-panel > p {
  margin: 0 0 16px;
  max-width: 64ch;
  line-height: 1.85;
  color: rgba(245, 247, 250, .8);
}

/* ---------- 图文分栏 ---------- */
.page-products .fn-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.2vw, 36px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .fn-split__body > p {
  margin: 0 0 14px;
  line-height: 1.85;
}

.page-products .fn-figure {
  margin: 0;
  border-radius: var(--fn-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-layer);
}

.page-products .fn-figure .media-frame__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  background: rgba(11, 14, 19, .72);
}

.page-products .section--paper .fn-figure {
  border-color: rgba(27, 31, 39, .14);
  background: var(--paper-card);
}

.page-products .section--paper .fn-figure .media-frame__caption {
  background: rgba(27, 31, 39, .04);
  color: rgba(27, 31, 39, .62);
}

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

/* ---------- 步骤 ---------- */
.page-products .fn-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fn-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .fn-steps--compact {
  gap: 14px;
  margin-bottom: 4px;
}

.page-products .fn-step {
  padding: 16px 18px;
  border-radius: var(--fn-radius-sm);
  border: 1px solid var(--line);
  background: rgba(21, 26, 34, .6);
}

.page-products .fn-step--num {
  border-left: 3px solid rgba(232, 178, 58, .55);
}

.page-products .fn-step__no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .fn-step__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
}

.page-products .fn-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(245, 247, 250, .76);
}

/* ---------- 数据条 ---------- */
.page-products .fn-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .fn-strip__item {
  padding: 18px 20px;
  border-radius: var(--fn-radius-sm);
  border: 1px solid rgba(27, 31, 39, .12);
  background: var(--paper-card);
}

.page-products .fn-strip__item .data-num {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--text-light);
}

.page-products .fn-strip__item .data-num--green {
  color: #1F8B50;
}

.page-products .fn-strip__item .data-num--blue {
  color: #2A5ED0;
}

.page-products .fn-strip__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(27, 31, 39, .74);
}

/* ---------- 榜单板 ---------- */
.page-products .fn-board {
  margin-top: clamp(20px, 3vw, 30px);
  border-radius: var(--fn-radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(21, 26, 34, .72);
}

.page-products .fn-board__head,
.page-products .fn-board__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 18px;
}

.page-products .fn-board__head {
  background: linear-gradient(120deg, rgba(232, 178, 58, .16), rgba(21, 26, 34, .5));
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gold-glow);
}

.page-products .fn-board__row + .fn-board__row {
  border-top: 1px solid var(--line);
}

.page-products .fn-board__row {
  transition: background-color .2s var(--ease);
}

.page-products .fn-board__row:hover {
  background: rgba(232, 178, 58, .08);
}

.page-products .fn-board__key {
  font-weight: 800;
  font-size: 16px;
  color: var(--text-dark);
}

.page-products .fn-board__cycle {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--green);
}

.page-products .fn-board__note {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(245, 247, 250, .76);
}

.page-products .fn-callout {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--fn-radius-sm);
  border-left: 3px solid var(--blue);
  background: rgba(62, 123, 250, .1);
}

.page-products .fn-callout__text {
  margin: 0;
  line-height: 1.85;
  color: rgba(245, 247, 250, .84);
}

/* ---------- 侧栏卡 ---------- */
.page-products .fn-side-card {
  padding: 22px 20px;
  border-radius: var(--fn-radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(29, 36, 47, .92), rgba(15, 19, 26, .95));
  box-shadow: var(--shadow-panel);
}

.page-products .fn-side-card--gold {
  border-color: rgba(232, 178, 58, .48);
  background: linear-gradient(150deg, rgba(232, 178, 58, .16), rgba(15, 19, 26, .96) 66%);
}

.page-products .fn-side-card__lead {
  margin: 10px 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, .84);
}

.page-products .fn-side-card__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .fn-side-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(245, 247, 250, .78);
}

.page-products .fn-side-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- 双栏文章 ---------- */
.page-products .fn-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .fn-duo__col > p {
  margin: 0 0 14px;
  line-height: 1.85;
}

.page-products .fn-duo .fn-figure {
  margin-bottom: 18px;
}

/* ---------- 表格 ---------- */
.page-products .fn-table-wrap {
  margin-top: clamp(18px, 2.6vw, 28px);
  border-radius: var(--fn-radius);
  border: 1px solid var(--line);
  overflow-x: auto;
  background: rgba(21, 26, 34, .7);
}

.page-products .fn-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .fn-table th,
.page-products .fn-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-products .fn-table thead th {
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold-glow);
  background: linear-gradient(120deg, rgba(232, 178, 58, .14), rgba(21, 26, 34, .4));
  white-space: nowrap;
}

.page-products .fn-table tbody th {
  font-weight: 800;
  color: var(--text-dark);
  white-space: nowrap;
}

.page-products .fn-table tbody td {
  color: rgba(245, 247, 250, .76);
}

.page-products .fn-table tbody tr {
  transition: background-color .2s var(--ease);
}

.page-products .fn-table tbody tr:hover {
  background: rgba(232, 178, 58, .08);
}

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

/* ---------- 费用小卡 ---------- */
.page-products .fn-cost-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.page-products .fn-cost {
  padding: 20px;
  border-radius: var(--fn-radius-sm);
  border: 1px solid var(--line);
  background: rgba(21, 26, 34, .6);
}

.page-products .fn-cost p {
  margin: 10px 0 0;
  line-height: 1.85;
  color: rgba(245, 247, 250, .8);
}

/* ---------- 场景三卡 ---------- */
.page-products .fn-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fn-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .fn-scene {
  padding: 22px 20px;
  border-radius: var(--fn-radius);
  border: 1px solid rgba(27, 31, 39, .14);
  background: var(--paper-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .fn-scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.4;
  color: var(--text-light);
}

.page-products .fn-scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(27, 31, 39, .76);
}

.page-products .fn-scene__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(27, 31, 39, .18);
  font-family: var(--font-data);
  font-size: 13px !important;
  letter-spacing: .02em;
  color: rgba(27, 31, 39, .6) !important;
}

/* ---------- 行内链接 ---------- */
.page-products .fn-inline-links {
  margin-top: clamp(20px, 3vw, 30px);
  padding: 18px 20px;
  border-radius: var(--fn-radius-sm);
  border-left: 3px solid var(--blue);
  background: rgba(62, 123, 250, .09);
}

.page-products .fn-inline-links p {
  margin: 0;
  line-height: 1.85;
  color: rgba(27, 31, 39, .78);
}

.page-products .fn-inline-links a {
  color: #2A5ED0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .fn-inline-links a:hover {
  color: var(--text-light);
}

/* ---------- 收尾 CTA ---------- */
.page-products .fn-start-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: clamp(22px, 3.2vw, 36px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--fn-radius);
  border: 1px solid rgba(232, 178, 58, .45);
  background: linear-gradient(140deg, rgba(232, 178, 58, .16), rgba(15, 19, 26, .95) 68%);
}

.page-products .fn-start-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 24px);
  color: var(--text-dark);
}

.page-products .fn-start-cta p {
  margin: 0;
  line-height: 1.8;
  color: rgba(245, 247, 250, .8);
}

.page-products .fn-start-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .fn-foot-line {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .fn-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .fn-start-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-products .fn-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .fn-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .fn-split--reverse .fn-split__body {
    order: 2;
  }

  .page-products .fn-split--reverse .fn-figure {
    order: 1;
  }
}

@media (min-width: 960px) {
  .page-products .fn-tabs {
    grid-template-columns: var(--fn-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .fn-tabs__rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--header-offset) + 62px);
  }

  .page-products .fn-tab {
    min-width: 0;
    width: 100%;
  }

  .page-products .fn-board__head,
  .page-products .fn-board__row {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 16px;
    align-items: center;
  }

  .page-products .layout__side {
    position: sticky;
    top: calc(var(--header-offset) + 62px);
  }
}

@media (min-width: 1040px) {
  .page-products .fn-scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .fn-scene:nth-child(1) {
    grid-column: span 5;
  }

  .page-products .fn-scene:nth-child(2) {
    grid-column: span 4;
  }

  .page-products .fn-scene:nth-child(3) {
    grid-column: span 3;
  }
}

@media (min-width: 1080px) {
  .page-products .fn-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>