.page-products {
  --rail-w: 264px;
  --panel: rgba(16, 26, 56, 0.72);
  --hair: rgba(127, 212, 255, 0.18);
  --hair-strong: rgba(127, 212, 255, 0.34);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  isolation: isolate;
  padding: 36px 0 34px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: -120px -8% auto -8%;
  height: 380px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(560px 240px at 16% 34%, rgba(53, 224, 208, 0.15), transparent 70%),
    radial-gradient(520px 250px at 82% 8%, rgba(255, 77, 157, 0.13), transparent 72%),
    radial-gradient(640px 300px at 52% 118%, rgba(127, 212, 255, 0.12), transparent 70%);
}

.page-products .tools-hero__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ice);
  text-transform: uppercase;
}

.page-products .tools-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 5.4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--frost);
  max-width: 22ch;
}

.page-products .tools-hero__lead {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 247, 255, 0.88);
}

.page-products .tools-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  border: 1px solid var(--hair);
  border-radius: var(--r-2);
  overflow: hidden;
  background: var(--hair);
}

.page-products .tools-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.92), rgba(7, 11, 26, 0.86));
}

.page-products .tools-hero__num {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .tools-hero__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

@media (min-width: 720px) {
  .page-products .tools-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 双栏外壳 ---------- */
.page-products .tools-shell {
  display: grid;
  gap: 26px;
  padding-block: 32px 72px;
  align-items: start;
}

@media (min-width: 1024px) {
  .page-products .tools-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 44px;
    padding-block: 44px 96px;
  }
}

.page-products .tools-rail__inner {
  border: 1px solid var(--hair);
  border-radius: var(--r-2);
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.9), rgba(7, 11, 26, 0.78));
  padding: 16px 16px 14px;
}

@media (min-width: 1024px) {
  .page-products .tools-rail__inner {
    position: sticky;
    top: 92px;
    padding: 20px 18px 16px;
  }
}

.page-products .tools-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-products .tools-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (min-width: 1024px) {
  .page-products .tools-rail__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

.page-products .tools-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: var(--r-1);
  font-size: 14px;
  color: rgba(244, 247, 255, 0.8);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .tools-rail__link .is-mono {
  font-size: 11px;
  color: var(--ice);
  letter-spacing: 0.08em;
}

.page-products .tools-rail__link:hover,
.page-products .tools-rail__link:focus-visible {
  color: var(--frost);
  background: rgba(53, 224, 208, 0.08);
  border-left-color: var(--cyan);
}

.page-products .tools-rail__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-products .tools-rail__dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 208, 0.14);
}

.page-products .tools-rail__status-line {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-products .tools-rail__status-ver {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ice);
  letter-spacing: 0.04em;
}

/* ---------- 章节骨架 ---------- */
.page-products .tools-section {
  padding-block: 4px 46px;
  scroll-margin-top: 92px;
}

.page-products .tools-section + .tools-section {
  border-top: 1px solid var(--line);
  padding-top: 38px;
}

.page-products .tools-section--last {
  padding-bottom: 12px;
}

.page-products .tools-section__head {
  margin-bottom: 22px;
}

.page-products .tools-section__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 7vw, 62px);
  line-height: 0.94;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(127, 212, 255, 0.2);
  margin-bottom: 2px;
}

.page-products .tools-section__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 29px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--frost);
}

.page-products .tools-section__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 247, 255, 0.82);
}

.page-products .tools-section__lead a,
.page-products .tools-next__lead a,
.page-products .table-note a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(127, 212, 255, 0.4);
}

.page-products .tools-section__lead a:hover,
.page-products .tools-next__lead a:hover,
.page-products .table-note a:hover {
  color: var(--cyan);
}

/* ---------- 筛选 chip ---------- */
.page-products .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.page-products .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 26, 56, 0.7);
  color: var(--stone);
  white-space: nowrap;
}

.page-products .chip--cyan {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, 0.42);
  background: rgba(53, 224, 208, 0.07);
}

.page-products .chip--gold {
  color: var(--gold);
  border-color: rgba(255, 196, 107, 0.42);
  background: rgba(255, 196, 107, 0.07);
}

/* ---------- 图片框补齐 ---------- */
.page-products .img-frame {
  margin: 0 0 24px;
  border-radius: var(--r-2);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--indigo);
}

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

.page-products .img-frame__caption {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
  border-top: 1px solid var(--line);
  background: rgba(7, 11, 26, 0.6);
}

/* ---------- 轨道卡片 ---------- */
.page-products .tools-track {
  list-style: none;
  margin: 0 0 26px;
  padding: 0 0 0 28px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-products .tools-track::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--ice), rgba(53, 224, 208, 0.55), rgba(127, 212, 255, 0.05));
}

.page-products .tools-track__item {
  position: relative;
}

.page-products .tools-track__node {
  position: absolute;
  left: -27px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 208, 0.12);
}

.page-products .index-card {
  padding: 16px 18px;
  border-left: 2px solid var(--hair-strong);
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.86), rgba(7, 11, 26, 0.6));
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-products .index-card:hover {
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.page-products .index-card .card__meta {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-products .index-card .card__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .index-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 247, 255, 0.8);
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: rgba(7, 11, 26, 0.55);
  margin-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.page-products .compare-table,
.page-products .catalog-table {
  min-width: 720px;
  margin: 0;
}

.page-products .compare-table caption,
.page-products .catalog-table caption {
  text-align: left;
  padding: 12px 14px 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-products .compare-table th,
.page-products .catalog-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  text-align: left;
  white-space: nowrap;
}

.page-products .compare-table td,
.page-products .catalog-table td {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 247, 255, 0.86);
  vertical-align: middle;
}

.page-products .compare-table tbody tr:nth-child(odd),
.page-products .catalog-table tbody tr:nth-child(odd) {
  background: rgba(16, 26, 56, 0.6);
}

.page-products .compare-table tbody tr:hover,
.page-products .catalog-table tbody tr:hover {
  background: rgba(53, 224, 208, 0.09);
}

.page-products .compare-table .is-current {
  background: rgba(255, 196, 107, 0.09);
}

.page-products .compare-table .is-current:hover {
  background: rgba(255, 196, 107, 0.14);
}

.page-products .table-note {
  margin: 0 0 26px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 导出 ---------- */
.page-products .export-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

@media (min-width: 860px) {
  .page-products .export-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

.page-products .export-card {
  padding: 20px 20px 18px;
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.88), rgba(7, 11, 26, 0.62));
  border-top: 3px solid var(--line);
}

.page-products .export-card--pdf {
  border-top-color: var(--cyan);
}

.page-products .export-card--csv {
  border-top-color: var(--gold);
}

.page-products .export-card .card__meta {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-products .export-card .card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .export-card > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 247, 255, 0.8);
}

.page-products .export-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .export-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .export-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice);
  opacity: 0.7;
}

.page-products .field-strip {
  border: 1px dashed var(--hair-strong);
  border-radius: var(--r-2);
  padding: 16px 18px 18px;
  background: rgba(16, 26, 56, 0.42);
}

.page-products .field-strip__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

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

.page-products .field-strip__list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: var(--r-1);
  border: 1px solid var(--line);
  background: rgba(7, 11, 26, 0.65);
  font-size: 13px;
  color: rgba(244, 247, 255, 0.85);
}

.page-products .field-strip__list li .is-mono {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

/* ---------- 适配面板（浅色对比区） ---------- */
.page-products .fit-panel {
  border-radius: var(--r-2);
  padding: 22px 18px 18px;
  background: linear-gradient(158deg, #F4F7FF 0%, #DCEBFF 58%, #C9E6FF 100%);
  border: 1px solid rgba(127, 212, 255, 0.5);
  box-shadow: 0 18px 40px -28px rgba(7, 11, 26, 0.9);
  margin-bottom: 24px;
}

.page-products .fit-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 900px) {
  .page-products .fit-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

.page-products .fit-item {
  position: relative;
  padding-top: 14px;
  border-top: 2px solid #070B1A;
}

.page-products .fit-item__tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #43506E;
}

.page-products .fit-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: #070B1A;
}

.page-products .fit-item__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: #2B3550;
}

.page-products .fit-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  counter-reset: fitstep;
}

.page-products .fit-steps li {
  counter-increment: fitstep;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #070B1A;
  color: #F4F7FF;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-products .fit-steps li::before {
  content: counter(fitstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  color: #FFC46B;
  letter-spacing: 0.06em;
}

/* ---------- 工具清单横幅 ---------- */
.page-products .catalog-banner {
  position: relative;
  margin: 0 0 20px;
  border-radius: var(--r-2);
  overflow: hidden;
  border: 1px solid var(--hair);
}

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

.page-products .catalog-banner__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--crystal);
  text-shadow: 0 1px 8px rgba(7, 11, 26, 0.9);
}

/* ---------- 订阅面板 ---------- */
.page-products .subscribe-panel {
  display: grid;
  gap: 20px;
  padding: 24px 20px;
  border-radius: var(--r-2);
  border: 1px solid rgba(255, 196, 107, 0.32);
  background:
    radial-gradient(420px 200px at 88% 0%, rgba(255, 196, 107, 0.14), transparent 70%),
    linear-gradient(180deg, rgba(16, 26, 56, 0.95), rgba(7, 11, 26, 0.85));
  margin-bottom: 24px;
}

@media (min-width: 860px) {
  .page-products .subscribe-panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    padding: 28px 26px;
  }
}

.page-products .subscribe-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--frost);
}

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

.page-products .subscribe-panel__list li {
  position: relative;
  padding-left: 76px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 247, 255, 0.82);
}

.page-products .subscribe-panel__list li .is-mono {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding: 2px 8px;
  border-radius: var(--r-1);
  border: 1px solid rgba(255, 196, 107, 0.34);
  background: rgba(255, 196, 107, 0.08);
}

.page-products .subscribe-panel__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-products .subscribe-panel__hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .subscribe-panel__action .btn {
  display: inline-block;
  text-decoration: none;
}

.page-products .tools-next {
  padding-top: 4px;
}

.page-products .tools-next__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .index-card,
  .page-products .tools-rail__link {
    transition: none;
  }

  .page-products .index-card:hover {
    transform: none;
  }
}
</final>