.page-products {
  --lib-gap: clamp(56px, 7vw, 96px);
  --lib-line: 1px solid var(--line);
}

.page-products .breadcrumb {
  margin-top: 20px;
}

/* ---------- 田字形骨架：左分类树 + 右内容流 ---------- */
.page-products .lib-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 20px;
  padding-bottom: var(--lib-gap);
}

@media (min-width: 960px) {
  .page-products .lib-shell {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

/* ---------- 分类树 ---------- */
.page-products .lib-tree {
  border: var(--lib-line);
  background: linear-gradient(180deg, var(--deck) 0%, var(--void) 100%);
  padding: 16px 14px 14px;
}

@media (min-width: 960px) {
  .page-products .lib-tree {
    position: sticky;
    top: 24px;
  }
}

.page-products .lib-tree__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 4px 10px;
  margin-bottom: 8px;
  border-bottom: var(--lib-line);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .lib-tree__total {
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.page-products .lib-tree__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 6px;
}

@media (min-width: 960px) {
  .page-products .lib-tree__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

.page-products .lib-tree__item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 4px 6px 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  color: var(--mist);
  transition: border-color 0.12s var(--ease), background-color 0.12s var(--ease);
}

.page-products .lib-tree__item:hover {
  border-left-color: var(--cyan);
  background: rgba(37, 230, 216, 0.07);
}

.page-products .lib-tree__num {
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.page-products .lib-tree__name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .lib-tree__badge {
  flex: 0 0 auto;
  padding: 1px 5px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--cyan-soft);
  background: rgba(37, 230, 216, 0.1);
  border: 1px solid rgba(37, 230, 216, 0.22);
  font-variant-numeric: tabular-nums;
}

.page-products .lib-tree__foot {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: var(--lib-line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-products .lib-hero {
  padding-top: 4px;
}

.page-products .lib-hero h1 {
  margin: 0.35em 0 0.5em;
  max-width: 15ch;
  font-family: var(--f-head);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist);
}

.page-products .lib-lead {
  margin: 0 0 24px;
  max-width: 38em;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .lib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 32px;
}

.page-products .lib-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--lib-line);
  border-left: var(--lib-line);
}

@media (min-width: 720px) {
  .page-products .lib-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .lib-index li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 14px 16px;
  border-right: var(--lib-line);
  border-bottom: var(--lib-line);
  background: rgba(11, 27, 49, 0.55);
}

.page-products .lib-index__k {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .lib-index__v {
  font-family: var(--f-head);
  font-size: 1.5rem;
  line-height: 1.1;
  font-weight: 800;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products .lib-index__l {
  font-size: 12px;
  color: var(--slate);
}

/* ---------- 通用区块 ---------- */
.page-products .lib-sec {
  padding-top: var(--lib-gap);
  scroll-margin-top: 24px;
}

.page-products .lib-sec:first-of-type {
  padding-top: 56px;
}

.page-products .lib-sec__head {
  max-width: 46em;
  padding-top: 20px;
  margin-bottom: 28px;
  border-top: var(--lib-line);
}

.page-products .lib-sec__head h2 {
  margin: 0.3em 0 0.45em;
  font-family: var(--f-head);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--mist);
}

.page-products .lib-sec__desc {
  margin: 0;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 三条路径 ---------- */
.page-products .lib-paths {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  gap: 1px;
  border: var(--lib-line);
  background: var(--line);
}

@media (min-width: 720px) {
  .page-products .lib-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .lib-path {
  padding: 22px 20px 24px;
  background: var(--void);
  transition: background-color 0.16s var(--ease);
}

.page-products .lib-path:hover {
  background: var(--deck);
}

.page-products .lib-path__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: 14px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .lib-path h3 {
  margin: 0 0 8px;
  font-family: var(--f-head);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .lib-path p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 图片占位容器 ---------- */
.page-products .lib-fig {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--lib-line);
  background: var(--void);
}

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

.page-products .lib-fig--wide img { aspect-ratio: 1400 / 900; }
.page-products .lib-fig--square img { aspect-ratio: 1 / 1; }
.page-products .lib-fig--43 img { aspect-ratio: 4 / 3; }
.page-products .lib-fig--54 img { aspect-ratio: 8 / 5; }
.page-products .lib-fig--32 img { aspect-ratio: 3 / 2; }

.page-products .lib-fig--square {
  max-width: 460px;
  margin-top: 32px;
}

.page-products .lib-fig .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 90%;
  margin: 0;
  padding: 7px 12px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  background: rgba(2, 8, 15, 0.8);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* ---------- 检索区 ---------- */
.page-products .lib-find {
  margin-bottom: 4px;
}

.page-products .lib-find__text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .lib-find__text h3 {
  margin: 26px 0 14px;
  font-family: var(--f-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-products .lib-trace {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line);
}

.page-products .lib-trace li {
  position: relative;
  padding-bottom: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .lib-trace li:last-child {
  padding-bottom: 0;
}

.page-products .lib-trace li::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  background: var(--void);
  transform: rotate(45deg);
}

.page-products .lib-trace__n {
  display: inline-block;
  margin-right: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .lib-callout {
  align-self: start;
  padding: 20px;
  border: var(--lib-line);
  border-left: 2px solid var(--cyan);
  background: var(--deck);
}

.page-products .lib-callout__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .lib-callout__v {
  margin: 6px 0 10px;
  font-family: var(--f-head);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .lib-callout__d {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 流程 ---------- */
.page-products .lib-steps {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 1px;
  border: var(--lib-line);
  background: var(--line);
}

@media (min-width: 900px) {
  .page-products .lib-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .lib-steps .step {
  padding: 22px 18px 24px;
  background: var(--void);
  border-top: 2px solid var(--line);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-products .lib-steps .step:hover {
  border-top-color: var(--cyan);
  background: var(--deck);
}

.page-products .lib-steps .step h3 {
  margin: 12px 0 8px;
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--mist);
}

.page-products .lib-steps .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-products .note {
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .note a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 权益对照表 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  border: var(--lib-line);
  background: var(--void);
  -webkit-overflow-scrolling: touch;
}

.page-products .lib-benefits {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .lib-benefits th,
.page-products .lib-benefits td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--lib-line);
}

.page-products .lib-benefits thead th {
  background: var(--panel);
  color: var(--mist);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .lib-benefits tbody th {
  font-weight: 500;
  color: var(--mist);
  white-space: nowrap;
  background: var(--deck);
}

.page-products .lib-benefits tbody td {
  color: var(--slate);
  line-height: 1.6;
}

.page-products .lib-benefits tbody tr:hover td {
  background: rgba(37, 230, 216, 0.05);
}

.page-products .lib-benefits th:first-child,
.page-products .lib-benefits td:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 148px;
  background: var(--deck);
  box-shadow: 1px 0 0 var(--line);
}

.page-products .lib-benefits thead th:first-child {
  z-index: 4;
  background: var(--panel);
}

.page-products .lib-member-note {
  margin-top: 32px;
  align-items: start;
}

.page-products .lib-member-note p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 性能 ---------- */
.page-products .lib-perf {
  align-items: start;
}

.page-products .lib-bars {
  display: grid;
  gap: 18px;
}

.page-products .lib-bar__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--slate);
}

.page-products .lib-bar__head .num {
  color: var(--cyan-soft);
  font-variant-numeric: tabular-nums;
}

.page-products .lib-bar__track {
  height: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .lib-bar__fill {
  display: block;
  height: 100%;
}

.page-products .lib-bar--base .lib-bar__fill {
  width: 100%;
  background: var(--line);
}

.page-products .lib-bar--new .lib-bar__fill {
  width: 58%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-products .lib-bars__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .lib-perf-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: var(--lib-line);
}

.page-products .lib-perf-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 0;
  border-bottom: var(--lib-line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
}

@media (min-width: 560px) {
  .page-products .lib-perf-list li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

.page-products .lib-perf-list strong {
  font-family: var(--f-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

/* ---------- 选档建议 ---------- */
.page-products .lib-picks {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-products .lib-picks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .lib-pick {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  border: var(--lib-line);
  background: var(--deck);
}

.page-products .lib-pick--on {
  border-color: rgba(37, 230, 216, 0.5);
  background: linear-gradient(180deg, rgba(37, 230, 216, 0.1), rgba(11, 27, 49, 0.92));
  box-shadow: 0 0 0 1px rgba(37, 230, 216, 0.16);
}

.page-products .lib-pick__tier {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .lib-pick h3 {
  margin: 0;
  font-family: var(--f-head);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .lib-pick > p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .lib-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 20px;
  border: var(--lib-line);
  border-left: 3px solid var(--orange);
  background: var(--deck);
}

.page-products .lib-cta > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .lib-cta .lib-actions {
  margin: 0;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 599px) {
  .page-products .lib-hero h1 {
    max-width: none;
  }

  .page-products .lib-index li {
    padding: 12px 12px 14px;
  }

  .page-products .lib-fig .media__cap {
    position: static;
    max-width: none;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .page-products .lib-cta {
    align-items: flex-start;
  }
}