.page-products {
  --tp-rail: 190px;
  --tp-side: 208px;
  --tp-gap: 32px;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  padding-top: 28px;
  padding-bottom: 8px;
}

.page-products .tools-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 20px;
}

.page-products .tools-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(32px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white-000);
}

.page-products .tools-hero__lede {
  max-width: 34em;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .btn--primary {
  background: var(--coral-500);
  border-color: var(--coral-500);
  color: #1B0A05;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .btn--primary:hover,
.page-products .btn--primary:focus-visible {
  transform: translateX(2px);
  box-shadow: 0 8px 22px rgba(255, 92, 57, 0.28);
}

.page-products .tools-hero__media {
  margin: 0;
  border: 1px solid var(--ink-line);
}

@media (min-width: 900px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 46px;
  }
}

/* ---------- 三栏拼贴 ---------- */
.page-products .tools-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 48px;
  padding-bottom: 24px;
}

@media (min-width: 1024px) {
  .page-products .tools-layout {
    grid-template-columns: var(--tp-rail) minmax(0, 1fr) var(--tp-side);
    gap: var(--tp-gap);
    align-items: start;
    padding-top: 64px;
  }
}

/* 页内索引 */
.page-products .tools-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .tools-index::-webkit-scrollbar {
  display: none;
}

.page-products .tools-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--slate-400);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-products .tools-index__link:hover,
.page-products .tools-index__link:focus-visible {
  color: var(--white-000);
  border-color: var(--cyan-400);
  background: rgba(47, 231, 196, 0.08);
}

.page-products .tools-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 1024px) {
  .page-products .tools-index {
    flex-direction: column;
    overflow: visible;
    gap: 0;
    padding: 0;
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    border-left: 1px solid var(--ink-line);
  }

  .page-products .tools-index__link {
    justify-content: flex-start;
    gap: 10px;
    border: 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 10px 12px 10px 14px;
    font-size: 13px;
    position: relative;
  }

  .page-products .tools-index__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 11px;
    bottom: 11px;
    width: 2px;
    border-radius: 2px;
    background: transparent;
    transition: background-color var(--ease);
  }

  .page-products .tools-index__link:hover,
  .page-products .tools-index__link:focus-visible {
    border-color: transparent;
    background: rgba(47, 231, 196, 0.06);
  }

  .page-products .tools-index__link:hover::before,
  .page-products .tools-index__link:focus-visible::before {
    background: var(--cyan-400);
  }
}

/* 右侧数据栏 */
.page-products .tools-side {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

@media (min-width: 1024px) {
  .page-products .tools-side {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

.page-products .side-stat {
  background: var(--ink-800);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.page-products .side-stat__k {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-products .side-stat__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.25;
  color: var(--white-000);
  font-variant-numeric: tabular-nums;
}

.page-products .side-stat__v small {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--slate-400);
}

/* ---------- 章节骨架 ---------- */
.page-products .tools-section {
  padding-top: 64px;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

.page-products .tools-body > .tools-section:first-child {
  padding-top: 0;
}

.page-products .tools-section__head {
  margin-bottom: 26px;
}

.page-products .tools-section__head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white-000);
}

.page-products .tools-section__head p {
  max-width: 42em;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

/* ---------- 功能矩阵 ---------- */
.page-products .tools-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 720px) {
  .page-products .tools-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feature--wide {
    grid-column: span 2;
  }

  .page-products .feature--full {
    grid-column: span 2;
  }
}

@media (min-width: 1100px) {
  .page-products .tools-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .feature {
    grid-column: span 2;
  }

  .page-products .feature--wide {
    grid-column: span 3;
  }

  .page-products .feature--full {
    grid-column: span 6;
  }
}

.page-products .feature {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--ink-800);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-panel);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-products .feature:hover,
.page-products .feature:focus-within {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.38);
}

.page-products .feature h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--white-000);
}

.page-products .feature p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .feature__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--ink-line);
  font-size: 12.5px;
  color: var(--slate-400);
}

.page-products .feature__stat b {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 1100px) {
  .page-products .feature--full {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 22px;
  }

  .page-products .feature--full > .meta-label {
    flex: 0 0 100%;
    margin: 0;
  }

  .page-products .feature--full h3 {
    flex: 1 1 220px;
    margin: 0;
  }

  .page-products .feature--full p {
    flex: 1 1 320px;
  }

  .page-products .feature--full .feature__stat {
    flex: 0 0 auto;
    margin: 0;
    padding: 0 0 0 20px;
    border-top: 0;
    border-left: 1px solid var(--ink-line);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ---------- 横向对照条 ---------- */
.page-products .tools-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  align-items: center;
  margin-top: 56px;
  padding: 14px 0;
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
  font-size: 13px;
  color: var(--slate-400);
}

.page-products .tools-strip span {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-products .tools-strip b {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* ---------- 技能树式上手路径 ---------- */
.page-products .tools-skills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .tools-skill {
  position: relative;
  padding: 24px 22px;
  background: var(--ink-800);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-panel);
}

.page-products .tools-skill__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border: 1px solid var(--cyan-400);
  border-radius: 50%;
  background: rgba(47, 231, 196, 0.06);
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.page-products .tools-skill h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white-000);
}

.page-products .tools-skill > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .tools-skill details {
  padding-top: 10px;
  border-top: 1px solid var(--ink-line);
}

.page-products .tools-skill summary {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  color: var(--cyan-400);
}

.page-products .tools-skill summary::-webkit-details-marker {
  display: none;
}

.page-products .tools-skill summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-products .tools-skill details[open] summary::before {
  content: "\2013";
}

.page-products .tools-skill details p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

@media (min-width: 860px) {
  .page-products .tools-skills {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .tools-skill::after {
    content: "";
    position: absolute;
    top: 45px;
    right: -22px;
    width: 22px;
    height: 2px;
    background: var(--cyan-400);
    opacity: 0.4;
  }

  .page-products .tools-skill:last-child::after {
    display: none;
  }
}

/* ---------- 图文分栏 ---------- */
.page-products .tools-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-products .tools-split__media {
  margin: 0;
  border: 1px solid var(--ink-line);
}

@media (min-width: 900px) {
  .page-products .tools-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 34px;
    align-items: center;
  }

  .page-products .tools-split--flip .tools-split__media {
    order: 1;
  }

  .page-products .tools-split--flip .tools-split__text {
    order: 2;
  }
}

/* ---------- 读法清单 ---------- */
.page-products .read-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .read-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 15px;
  background: var(--ink-800);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-body);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-products .read-list li:hover {
  border-color: rgba(47, 231, 196, 0.5);
  background: rgba(47, 231, 196, 0.05);
}

.page-products .read-list b {
  flex: 0 0 auto;
  min-width: 64px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
}

.page-products .tools-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* ---------- 暖纸换气块 ---------- */
.page-products .tools-quote {
  margin-top: 20px;
  padding: 22px 24px;
  background: var(--paper-100);
  border-radius: var(--radius-panel);
  color: #14211D;
}

.page-products .tools-quote p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
}

/* ---------- 表格 ---------- */
.page-products .tools-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-panel);
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}

.page-products .req-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--text-body);
}

.page-products .req-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .req-table th,
.page-products .req-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
}

.page-products .req-table thead th {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
  font-weight: 600;
  background: rgba(31, 50, 44, 0.4);
}

.page-products .req-table tbody th {
  font-weight: 600;
  color: var(--white-000);
}

.page-products .req-table tbody tr {
  transition: background-color 120ms ease;
}

.page-products .req-table tbody tr:hover {
  background: rgba(47, 231, 196, 0.07);
}

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

.page-products .ver-table tbody th {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.01em;
}

.page-products .ver-table .tag {
  margin-right: 6px;
}

.page-products .ver-table .data-bar {
  display: block;
  min-width: 110px;
}

/* ---------- 使用场景图 ---------- */
.page-products .tools-scene {
  margin: 28px 0 0;
  border: 1px solid var(--ink-line);
}

/* ---------- 安装步骤 ---------- */
.page-products .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ins;
  display: grid;
  gap: 12px;
}

.page-products .install-steps li {
  counter-increment: ins;
  position: relative;
  padding: 15px 18px 15px 56px;
  background: var(--ink-800);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-products .install-steps li::before {
  content: counter(ins, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-products .tools-links {
  display: grid;
  gap: 10px;
  justify-items: start;
  margin-top: 24px;
}

.page-products .tools-links a {
  font-size: 14.5px;
}

/* ---------- 响应式收尾 ---------- */
@media (max-width: 640px) {
  .page-products .feature__stat {
    flex-wrap: wrap;
    gap: 6px 10px;
  }

  .page-products .read-list li {
    flex-direction: column;
    gap: 6px;
  }

  .page-products .read-list b {
    min-width: 0;
  }

  .page-products .tools-strip {
    gap: 8px 18px;
  }

  .page-products .tools-quote {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-products .btn--primary:hover,
  .page-products .btn--primary:focus-visible,
  .page-products .feature:hover,
  .page-products .feature:focus-within {
    transform: none;
  }
}