/* ============================================
   栏目与服务 / page-products
   窄栏 + 宽区结构：左侧栏目索引与层级切换，
   右侧栏目总表、签表树、对照说明与用法路径
   ============================================ */

.page-products {
  --po-rail: 240px;
  --po-hair: rgba(62, 91, 79, 0.55);
  --po-hair-soft: rgba(62, 91, 79, 0.32);
}

/* ---------- 首屏：错位色块 ---------- */
.page-products .po-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-products .po-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 46%;
  background: linear-gradient(158deg, var(--panel) 0%, var(--panel-2) 46%, var(--ink) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .po-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-products .po-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-products .po-hero__lead h1 {
  margin: 10px 0 0;
  font-size: clamp(27px, 4.6vw, 44px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .po-hero__lead .lede {
  margin-top: 16px;
  max-width: 40ch;
}

.page-products .po-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .po-hero__panel {
  border: 1px solid var(--line);
  background: rgba(20, 23, 26, 0.72);
  padding: 16px 18px 6px;
}

.page-products .po-hero__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .po-hero__list li + li {
  border-top: 1px solid var(--po-hair-soft);
}

.page-products .po-hero__list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  transition: color 160ms ease;
}

.page-products .po-hero__list a:hover,
.page-products .po-hero__list a:focus-visible {
  color: var(--yellow);
}

.page-products .po-hero__no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--yellow);
  letter-spacing: 0.04em;
}

.page-products .po-hero__arrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray-dim);
  text-align: right;
}

/* ---------- 主体两栏 ---------- */
.page-products .po-split {
  display: grid;
  gap: 30px;
  padding: 34px 0 64px;
}

.page-products .po-body {
  min-width: 0;
}

/* ---------- 左侧固定索引 ---------- */
.page-products .po-rail {
  border-top: 2px solid var(--yellow);
  padding-top: 14px;
  min-width: 0;
}

.page-products .po-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gray);
}

.page-products .po-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.page-products .po-nav__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 8px 9px 12px;
  border-left: 3px solid transparent;
  color: var(--gray);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-products .po-nav__link:hover,
.page-products .po-nav__link:focus-visible {
  color: var(--white);
  background: var(--panel);
}

.page-products .po-nav__link[aria-current="true"] {
  color: var(--white);
  background: var(--panel);
  border-left-color: var(--yellow);
}

.page-products .po-nav__no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gray-dim);
}

.page-products .po-nav__link[aria-current="true"] .po-nav__no {
  color: var(--yellow);
}

.page-products .po-rail__levels {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--po-hair);
}

.page-products .po-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .po-levels .tag {
  font-size: 11px;
  padding: 3px 8px;
}

.page-products .po-rail__hint {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray-dim);
}

/* ---------- 章节 ---------- */
.page-products .po-sec {
  scroll-margin-top: 80px;
  padding: 34px 0;
}

.page-products .po-sec:first-child {
  padding-top: 0;
}

.page-products .po-sec .section__head {
  margin-bottom: 16px;
}

.page-products .po-sec .lede {
  max-width: 60ch;
}

.page-products .po-sec .prose + .prose {
  margin-top: 14px;
}

.page-products .po-link {
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 194, 48, 0.4);
  padding-bottom: 1px;
}

.page-products .po-link:hover,
.page-products .po-link:focus-visible {
  border-bottom-color: var(--yellow);
}

.page-products .po-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 总表 ---------- */
.page-products .po-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 72vh;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .po-table-wrap .data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .po-table-wrap .data-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--char);
  color: var(--gray);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 2px solid var(--yellow);
  white-space: nowrap;
}

.page-products .po-table-wrap .data-table tbody th {
  position: static;
  background: transparent;
  border-bottom: 1px solid var(--po-hair-soft);
  color: var(--white);
  font-size: 13.5px;
  letter-spacing: 0;
  white-space: normal;
  padding: 14px;
  font-weight: 600;
}

.page-products .po-table-wrap .data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--po-hair-soft);
  color: var(--gray);
  vertical-align: top;
  line-height: 1.65;
}

.page-products .po-table-wrap .data-table tbody tr:nth-child(even) {
  background: rgba(34, 48, 42, 0.42);
}

.page-products .po-table-wrap .data-table tbody tr:hover {
  background: var(--panel-2);
}

.page-products .po-table-wrap .data-table tbody tr:hover th[scope="row"] {
  box-shadow: inset 3px 0 0 var(--yellow);
}

.page-products .po-rowno {
  color: var(--yellow);
  font-size: 12px;
  margin-right: 6px;
}

.page-products .po-table-wrap .data-table .num {
  font-family: var(--mono);
  color: var(--white);
}

/* ---------- 图片 ---------- */
.page-products .po-media {
  margin: 0 0 20px;
}

.page-products .media__caption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gray-dim);
}

.page-products .po-media--band {
  margin: 28px 0 0;
}

.page-products .po-media--aside {
  margin-bottom: 0;
}

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

/* ---------- 签表树 ---------- */
.page-products .po-brackets {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.page-products .po-bracket {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
}

.page-products .po-bracket > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--white);
  border-left: 3px solid transparent;
  transition: background 160ms ease, border-color 160ms ease;
}

.page-products .po-bracket > summary::-webkit-details-marker {
  display: none;
}

.page-products .po-bracket > summary:hover {
  background: var(--panel-2);
}

.page-products .po-bracket[open] > summary {
  border-left-color: var(--yellow);
}

.page-products .po-bracket > summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gray);
}

.page-products .po-bracket[open] > summary::after {
  content: "－";
  color: var(--yellow);
}

.page-products .po-bracket__body {
  padding: 12px 14px 16px;
  border-top: 1px solid var(--po-hair-soft);
}

.page-products .po-bracket__body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .po-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 14px;
}

.page-products .po-chain__node {
  position: relative;
  margin-right: 24px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .po-chain__node::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -24px;
  width: 24px;
  height: 1px;
  background: var(--line);
}

.page-products .po-chain__node:last-child {
  margin-right: 0;
}

.page-products .po-chain__node:last-child::after {
  display: none;
}

/* ---------- 左文右图 / 左图右文 ---------- */
.page-products .po-figure-side {
  display: grid;
  gap: 22px;
  margin-top: 6px;
}

.page-products .po-figure-side__text {
  min-width: 0;
}

.page-products .po-bullets {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .po-bullets li {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--po-hair-soft);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .po-bullets__k {
  color: var(--yellow);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 裁判数据块 ---------- */
.page-products .po-facts {
  margin-top: 22px;
}

.page-products .po-facts .stat {
  padding: 16px 18px;
  border-left: 3px solid var(--yellow);
  display: grid;
  gap: 6px;
}

.page-products .po-facts .stat--data {
  border-left-color: var(--cyan);
}

.page-products .po-facts .stat--warn {
  border-left-color: var(--red);
}

.page-products .po-facts .stat__value {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--yellow);
  line-height: 1.1;
}

.page-products .po-facts .stat--data .stat__value {
  color: var(--cyan);
}

.page-products .po-facts .stat--warn .stat__value {
  color: var(--red);
}

.page-products .po-facts .stat__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

/* ---------- 俱乐部字段表 ---------- */
.page-products .po-fields {
  margin: 20px 0 0;
  border-top: 1px solid var(--po-hair);
}

.page-products .po-fields__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--po-hair-soft);
}

.page-products .po-fields__row dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-products .po-fields__row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 使用场景 ---------- */
.page-products .po-scenes {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .po-scene {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--po-hair-soft);
}

.page-products .po-scene__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yellow);
}

.page-products .po-scene__body h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-products .po-scene__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .po-scene__path {
  counter-reset: step;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-products .po-scene__path li {
  position: relative;
  padding-left: 30px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .po-scene__path li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--yellow);
}

.page-products .po-scene__out {
  border-left: 2px solid var(--line);
  padding-left: 12px;
  color: var(--white) !important;
}

/* ---------- 进阶卡片 ---------- */
.page-products .po-cards {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .po-card {
  padding: 18px;
  border-left: 3px solid var(--line);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .po-card .tag {
  justify-self: start;
}

.page-products .po-card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.45;
}

.page-products .po-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .po-refer {
  margin-top: 26px;
  padding: 20px 20px 22px;
  background: var(--panel);
  border-left: 3px solid var(--yellow);
}

.page-products .po-refer p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .po-hero {
    padding: 44px 0 52px;
  }

  .page-products .po-fields__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

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

@media (min-width: 860px) {
  .page-products .po-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 40px;
    align-items: end;
  }

  .page-products .po-figure-side {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .po-figure-side--flip {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  }

  .page-products .po-figure-side--flip .po-media {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--bar-h-short) + 24px);
  }

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

  .page-products .po-scene {
    grid-template-columns: 116px minmax(0, 1fr);
    column-gap: 26px;
    align-items: start;
  }

  .page-products .po-scene__no {
    padding-top: 4px;
  }
}

@media (min-width: 960px) {
  .page-products .po-split {
    grid-template-columns: var(--po-rail) minmax(0, 1fr);
    gap: 48px;
    padding: 44px 0 80px;
  }

  .page-products .po-rail {
    position: sticky;
    top: calc(var(--bar-h-short) + 22px);
    align-self: start;
    max-height: calc(100vh - var(--bar-h-short) - 44px);
    overflow-y: auto;
    padding-bottom: 4px;
  }

  .page-products .po-sec {
    padding: 40px 0;
  }

  .page-products .po-sec:first-child {
    padding-top: 0;
  }
}

@media (min-width: 1200px) {
  .page-products .po-hero {
    padding: 56px 0 60px;
  }

  .page-products .po-figure-side {
    gap: 44px;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .po-hero__list a,
  .page-products .po-nav__link,
  .page-products .po-bracket > summary {
    transition: none;
  }
}