.page-products {
  --fn-gap: clamp(18px, 3.4vw, 40px);
  --fn-hair: rgba(157, 176, 200, 0.20);
  background: var(--ink-900);
  color: var(--moon);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .fn-crumb {
  padding-top: clamp(14px, 2.6vw, 26px);
}

/* ---------- 首屏框景 ---------- */
.page-products .fn-hero {
  padding-top: clamp(10px, 2vw, 20px);
  padding-bottom: clamp(34px, 6vw, 76px);
}

.page-products .fn-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(77, 232, 207, 0.10), transparent 58%),
    linear-gradient(158deg, rgba(16, 35, 70, 0.94), rgba(8, 21, 43, 0.99));
  padding: clamp(20px, 3.6vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 30px);
  overflow: hidden;
}

.page-products .fn-frame::before,
.page-products .fn-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--cyan);
  opacity: 0.72;
}

.page-products .fn-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .fn-frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-products .fn-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-products .fn-rail-dash {
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}

.page-products .fn-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 12px 0 16px;
  color: var(--moon);
}

.page-products .fn-hero-copy .section-lede {
  max-width: 46ch;
  color: var(--mute);
}

.page-products .fn-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-products .fn-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3.6vw, 36px);
  background: var(--fn-hair);
  border: 1px solid var(--fn-hair);
}

.page-products .fn-stat {
  background: rgba(8, 21, 43, 0.72);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .fn-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1;
  color: var(--orange);
}

.page-products .fn-stat-txt {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mute);
}

/* ---------- 功能地图 ---------- */
.page-products .fn-map {
  padding-bottom: clamp(38px, 6vw, 78px);
}

.page-products .fn-map-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--fn-hair);
}

.page-products .fn-map-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--fn-hair);
  transition: padding-left 0.25s ease;
}

.page-products .fn-map-idx {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 30px);
  line-height: 1;
  color: var(--orange);
}

.page-products .fn-map-body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 22px);
  margin: 0 0 6px;
  color: var(--moon);
}

.page-products .fn-map-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
  max-width: 62ch;
}

/* ---------- 主题带 ---------- */
.page-products .fn-bands {
  overflow-x: clip;
  padding-bottom: clamp(30px, 5vw, 60px);
}

.page-products .fn-band {
  padding-block: clamp(34px, 5.5vw, 70px);
  border-top: 1px solid var(--fn-hair);
}

.page-products .fn-band-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 16px;
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .fn-band-idx {
  font-family: var(--font-mono);
  font-size: clamp(38px, 9vw, 82px);
  line-height: 0.86;
  color: rgba(255, 106, 42, 0.10);
  -webkit-text-stroke: 1px var(--mute);
  transition: color 0.3s ease, -webkit-text-stroke-color 0.3s ease;
}

.page-products .fn-band.is-active .fn-band-idx {
  color: rgba(255, 106, 42, 0.16);
  -webkit-text-stroke-color: var(--orange);
}

.page-products .fn-band-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--moon);
}

.page-products .fn-band-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cyan);
  max-width: 52ch;
}

.page-products .fn-band-grid {
  align-items: start;
}

.page-products .fn-band-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--mute);
  margin: 0 0 16px;
}

.page-products .fn-band-copy p strong {
  color: var(--moon);
  font-weight: 700;
}

.page-products .fn-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .fn-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .fn-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

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

.page-products .fn-tip {
  border-left: 2px solid var(--orange);
  padding: 8px 0 8px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
  background: linear-gradient(90deg, rgba(255, 106, 42, 0.08), transparent 70%);
  margin: 0;
}

.page-products .fn-band-visual {
  margin-top: 4px;
}

.page-products .fn-band-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 关注列表 chip 演示 */
.page-products .fn-chip-demo {
  margin-top: 22px;
  border: 1px solid var(--fn-hair);
  background: rgba(16, 35, 70, 0.55);
  padding: 16px;
}

.page-products .fn-chip-label {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-products .fn-chip-label strong {
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 18px;
  font-weight: 700;
}

.page-products .fn-chip-demo .chip {
  cursor: pointer;
}

/* 终端线框 */
.page-products .fn-terminals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.page-products .fn-terminal {
  border: 1px solid var(--fn-hair);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--mute);
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.page-products .fn-terminal-icon {
  width: 34px;
  height: 34px;
  color: var(--cyan);
}

.page-products .fn-terminal-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--moon);
}

.page-products .fn-terminal-note {
  font-size: 12px;
  line-height: 1.6;
}

.page-products .fn-terminal:hover,
.page-products .fn-terminal:focus-within {
  border-color: var(--cyan);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-products .fn-terminal:hover .fn-terminal-icon,
.page-products .fn-terminal:focus-within .fn-terminal-icon {
  color: var(--orange);
}

/* 1 / 4 宫格切换 */
.page-products .fn-switch {
  position: relative;
  border: 1px solid var(--line-strong);
  background: rgba(16, 35, 70, 0.62);
  padding: 14px;
}

.page-products .fn-layout-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .fn-switch-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.page-products .fn-switch-tabs label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  color: var(--mute);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products #fn-layout-1:checked ~ .fn-switch-tabs label[for="fn-layout-1"],
.page-products #fn-layout-4:checked ~ .fn-switch-tabs label[for="fn-layout-4"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(77, 232, 207, 0.10);
}

.page-products .fn-switch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-products .fn-cell {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(135deg, rgba(77, 232, 207, 0.07) 0 2px, transparent 2px 9px),
    linear-gradient(160deg, rgba(8, 21, 43, 0.95), rgba(22, 48, 92, 0.85));
}

.page-products .fn-cell:nth-child(n + 2) {
  display: none;
}

.page-products .fn-cell-tag {
  position: absolute;
  top: 6px;
  left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-products #fn-layout-4:checked ~ .fn-switch-stage .fn-switch-grid {
  grid-template-columns: 1fr 1fr;
}

.page-products #fn-layout-4:checked ~ .fn-switch-stage .fn-cell:nth-child(n + 2) {
  display: block;
}

.page-products .fn-switch-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

.page-products .fn-fit-wide {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .fn-fit-wide img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 场景对照（奶油纸） ---------- */
.page-products .fn-paper {
  background: var(--paper);
  color: var(--brown);
  padding-block: clamp(36px, 6vw, 76px);
}

.page-products .fn-paper .section-title {
  color: var(--brown);
}

.page-products .fn-paper .eyebrow {
  color: var(--brown-soft);
}

.page-products .fn-paper .section-lede {
  color: var(--brown-soft);
}

.page-products .fn-scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fn-gap);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .fn-scene-fig {
  border: 1px solid rgba(33, 24, 19, 0.16);
}

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

.page-products .fn-scene-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .fn-scene-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .fn-scene-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding: 10px 12px;
  border-bottom: 2px solid rgba(33, 24, 19, 0.30);
  white-space: nowrap;
}

.page-products .fn-scene-table tbody th {
  text-align: left;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--brown);
  padding: 16px 12px;
  border-bottom: 1px solid rgba(33, 24, 19, 0.16);
  white-space: nowrap;
  vertical-align: top;
}

.page-products .fn-scene-table tbody td {
  padding: 16px 12px;
  border-bottom: 1px solid rgba(33, 24, 19, 0.16);
  color: var(--brown-soft);
  vertical-align: top;
}

.page-products .fn-scene-table tbody tr:hover th,
.page-products .fn-scene-table tbody tr:hover td {
  background: rgba(255, 106, 42, 0.06);
}

/* ---------- 支持入口 ---------- */
.page-products .fn-support {
  padding-block: clamp(38px, 6vw, 80px);
}

.page-products .fn-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fn-gap);
  align-items: start;
}

.page-products .fn-steps {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .fn-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fn-hair);
}

.page-products .fn-step-idx {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .fn-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--moon);
}

.page-products .fn-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
  max-width: 58ch;
}

.page-products .fn-steps a,
.page-products .fn-support-tail a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .fn-steps a:hover,
.page-products .fn-support-tail a:hover {
  color: var(--orange);
}

.page-products .fn-support-tail {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .fn-support-panel {
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(22, 48, 92, 0.85), rgba(8, 21, 43, 0.96));
  padding: clamp(18px, 3vw, 28px);
}

.page-products .fn-support-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 24px);
  color: var(--moon);
}

.page-products .fn-support-panel p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .fn-support-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .fn-support-list li {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mute);
  padding-left: 16px;
  position: relative;
}

.page-products .fn-support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.page-products .fn-support-list .num {
  font-family: var(--font-mono);
  color: var(--moon);
  font-size: 16px;
  margin-right: 2px;
}

.page-products .fn-support-panel .btn {
  display: inline-block;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .fn-terminals {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .fn-map-item {
    grid-template-columns: 64px 1fr;
    padding: 24px 0;
  }

  .page-products .fn-scene {
    grid-template-columns: minmax(200px, 300px) 1fr;
  }

  .page-products .fn-support-grid {
    grid-template-columns: 7fr 5fr;
  }
}

@media (min-width: 900px) {
  .page-products .fn-frame {
    grid-template-columns: 56px 1fr;
    gap: clamp(20px, 3vw, 40px);
  }

  .page-products .fn-rail {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .page-products .fn-rail-dash {
    width: 1px;
    height: auto;
    flex: 1;
    min-height: 30px;
  }

  .page-products .fn-map-item {
    grid-template-columns: 96px 1fr;
    padding: 28px 0;
  }

  .page-products .fn-band-head {
    grid-template-columns: clamp(88px, 9vw, 132px) 1fr;
    gap: 8px 26px;
  }

  .page-products .fn-band-grid {
    align-items: center;
    gap: clamp(26px, 4vw, 52px);
  }

  .page-products .fn-band--flip .fn-band-visual {
    margin-right: calc(-1 * clamp(0px, 2.4vw, 34px));
  }

  .page-products .fn-band:not(.fn-band--flip) .fn-band-visual {
    margin-left: calc(-1 * clamp(0px, 2.4vw, 34px));
  }

  .page-products .fn-chip-demo {
    padding: 20px;
  }
}

@media (min-width: 1100px) {
  .page-products .fn-hero-stats {
    max-width: 620px;
  }

  .page-products .fn-band-copy p {
    font-size: 17px;
  }

  .page-products .fn-points li {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fn-map-item,
  .page-products .fn-terminal,
  .page-products .fn-band-idx {
    transition: none;
  }

  .page-products .fn-terminal:hover,
  .page-products .fn-terminal:focus-within {
    transform: none;
  }
}
<<<END>>>