.page-products {
  --pp-gap: clamp(24px, 4vw, 56px);
  --pp-line-w: clamp(64px, 14vw, 168px);
  position: relative;
  padding-bottom: clamp(40px, 7vw, 88px);
  background-image:
    radial-gradient(120% 54% at 90% -6%, rgba(166, 255, 60, .07), transparent 62%),
    radial-gradient(84% 48% at -4% 28%, rgba(53, 214, 196, .05), transparent 60%);
  background-repeat: no-repeat;
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-products .prod-hero {
  padding-block: clamp(26px, 4.4vw, 58px) clamp(20px, 3vw, 34px);
}

.page-products .prod-hero__title {
  margin: 14px 0 20px;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-hero__lede {
  max-width: 40ch;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.8;
  color: var(--c-fog);
}

.page-products .prod-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.page-products .prod-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 22px) clamp(12px, 1.8vw, 20px);
  background: var(--c-base);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-fact__num {
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1;
  font-weight: 700;
  color: var(--c-green);
}

.page-products .prod-fact__cap {
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--c-fog);
}

/* ---------- 四条线快速跳转 ---------- */
.page-products .prod-jump {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(30px, 4.4vw, 52px);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .prod-jump__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px;
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  font-size: 13px;
  transition: background .2s ease, color .2s ease;
}

.page-products .prod-jump__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-products .prod-jump__txt {
  letter-spacing: .02em;
}

.page-products .prod-jump__item:hover,
.page-products .prod-jump__item:focus-visible {
  background: var(--c-card);
  color: var(--c-green);
}

/* ---------- 主内容 + 版本侧栏 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .prod-flow {
  min-width: 0;
}

.page-products .prod-rail {
  order: -1;
  min-width: 0;
}

.page-products .prod-rail__inner {
  padding: 18px 18px 20px;
  background: var(--c-panel);
  border: 1px solid var(--line-firm);
  border-radius: var(--r);
  box-shadow: inset 0 1px 0 rgba(232, 238, 247, .04);
}

.page-products .prod-rail__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-fog);
}

.page-products .prod-rail__version {
  margin: 6px 0 4px;
  font-size: 38px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-green);
}

.page-products .prod-rail__note {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-fog);
}

.page-products .prod-rail__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-rail__list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  font-size: 12px;
  color: var(--c-fog);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-rail__list li .num {
  color: var(--c-warm);
  font-size: 12px;
}

.page-products .prod-rail__btn {
  display: block;
  text-align: center;
  font-size: 12px;
}

/* ---------- 之字形产品线 ---------- */
.page-products .prod-line {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.8vw, 34px);
  padding-top: clamp(30px, 4vw, 54px);
  margin-top: clamp(34px, 4.6vw, 62px);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-line::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: var(--pp-line-w);
  height: 3px;
  background: linear-gradient(90deg, var(--c-green), var(--c-orange) 78%, transparent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-products .prod-line--b::before {
  background: linear-gradient(90deg, var(--c-orange), transparent);
}

.page-products .prod-line--c::before {
  background: linear-gradient(90deg, var(--c-green), var(--c-teal) 70%, transparent);
}

.page-products .prod-line--d::before {
  background: linear-gradient(90deg, var(--c-teal), transparent);
}

.page-products .prod-line__media {
  margin: 0;
  min-width: 0;
}

.page-products .prod-line__copy {
  min-width: 0;
}

.page-products .prod-line__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.15;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-line__value {
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 2px solid var(--c-green);
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.55;
  font-weight: 600;
  color: var(--c-text);
}

.page-products .prod-line--b .prod-line__value { border-left-color: var(--c-orange); }
.page-products .prod-line--c .prod-line__value { border-left-color: var(--c-teal); }
.page-products .prod-line--d .prod-line__value { border-left-color: var(--c-teal); }

.page-products .prod-line__copy .prose {
  margin-bottom: 18px;
}

.page-products .prod-line__copy .prose a {
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid var(--line-firm);
}

.page-products .prod-line__copy .prose a:hover {
  border-bottom-color: var(--c-green);
}

.page-products .prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .prod-line__link {
  margin: 0;
}

.page-products .prod-line__link .btn {
  font-size: 13px;
}

/* ---------- 资源包字段表 ---------- */
.page-products .prod-sheet {
  width: 100%;
  margin: 0 0 20px;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.page-products .prod-sheet caption {
  padding-bottom: 10px;
  text-align: left;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-fog);
}

.page-products .prod-sheet th,
.page-products .prod-sheet td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .prod-sheet thead th {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-fog);
  border-bottom-color: var(--line-firm);
}

.page-products .prod-sheet tbody th {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

.page-products .prod-sheet tbody td {
  color: var(--c-fog);
}

.page-products .prod-sheet tbody td.num {
  color: var(--c-orange);
  white-space: nowrap;
}

.page-products .prod-sheet tbody tr {
  transition: background .18s ease;
}

.page-products .prod-sheet tbody tr:hover {
  background: var(--c-card);
}

/* ---------- 索引库对照表 ---------- */
.page-products .prod-cmp {
  margin: 0 0 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--c-panel);
}

.page-products .prod-cmp__head,
.page-products .prod-cmp__row {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, .7fr) minmax(0, .7fr) minmax(0, .6fr);
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
}

.page-products .prod-cmp__head {
  background: var(--c-indigo);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-fog);
}

.page-products .prod-cmp__row {
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--c-text);
  transition: background .18s ease, box-shadow .18s ease;
}

.page-products .prod-cmp__row:hover,
.page-products .prod-cmp__row:focus-visible,
.page-products .prod-cmp__row:focus {
  background: var(--c-card);
  box-shadow: inset 2px 0 0 var(--c-green);
  outline: none;
}

.page-products .prod-cmp__metric {
  color: var(--c-fog);
}

.page-products .prod-cmp__val {
  font-size: 15px;
  color: var(--c-text);
}

.page-products .prod-cmp__val:first-of-type {
  color: var(--c-green);
}

.page-products .prod-cmp__diff {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-green);
}

.page-products .prod-cmp__diff--warn {
  color: var(--c-orange);
}

.page-products .prod-cmp__note {
  grid-column: 1 / -1;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-fog);
}

/* ---------- 版本区块 ---------- */
.page-products .prod-version {
  position: relative;
  margin-top: clamp(40px, 5.4vw, 72px);
  padding-top: clamp(30px, 4vw, 54px);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-version__title {
  margin: 10px 0 16px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-version__lede {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .prod-version__lede a {
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid var(--line-firm);
}

.page-products .prod-version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 clamp(24px, 3.2vw, 38px);
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .prod-v {
  padding: 18px 16px;
  background: var(--c-panel);
}

.page-products .prod-v__k {
  display: block;
  font-size: 30px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-orange);
}

.page-products .prod-v__t {
  display: block;
  margin: 8px 0 8px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-fog);
}

.page-products .prod-v p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-products .prod-version__strip {
  margin: 0;
}

/* ---------- 使用角色 ---------- */
.page-products .prod-audience {
  margin-top: clamp(40px, 5.4vw, 72px);
  padding-top: clamp(30px, 4vw, 54px);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-audience__title {
  margin: 10px 0 14px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-audience__lede {
  max-width: 44ch;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-fog);
}

.page-products .prod-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 18px;
  padding: 0 0 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-roles .tab {
  padding: 10px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: var(--r);
  color: var(--c-fog);
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-products .prod-roles .tab:hover {
  color: var(--c-text);
  background: var(--c-panel);
}

.page-products .prod-roles .tab[aria-selected="true"] {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
  background: var(--c-panel);
}

.page-products .prod-role {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--c-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  box-shadow: inset 0 1px 0 rgba(232, 238, 247, .04);
}

.page-products .prod-role[hidden] {
  display: none;
}

.page-products .prod-role__title {
  margin: 0 0 12px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--c-text);
}

.page-products .prod-role .prose {
  margin: 0 0 16px;
}

.page-products .prod-role__flow {
  margin: 0;
  padding: 12px 14px;
  background: var(--c-indigo);
  border-left: 2px solid var(--c-orange);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-warm);
  letter-spacing: .02em;
}

/* ---------- 起步区 ---------- */
.page-products .prod-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 32px);
  margin-top: clamp(40px, 5.4vw, 72px);
  padding: clamp(24px, 3.4vw, 40px);
  background:
    linear-gradient(135deg, rgba(166, 255, 60, .07), transparent 58%),
    var(--c-panel);
  border: 1px solid var(--line-firm);
  border-radius: var(--r);
}

.page-products .prod-start__title {
  margin: 10px 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.18;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-start__body .prose {
  margin: 0;
}

.page-products .prod-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-products .prod-start__actions .btn {
  font-size: 13px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .prod-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(36px, 4.6vw, 64px);
    align-items: start;
  }

  .page-products .prod-rail {
    order: 2;
  }

  .page-products .prod-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .prod-start {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .prod-version__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-line {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 48px);
    align-items: center;
  }

  .page-products .prod-line__media {
    grid-column: 1 / span 6;
  }

  .page-products .prod-line__copy {
    grid-column: 8 / span 5;
  }

  .page-products .prod-line--flip .prod-line__media {
    grid-column: 7 / span 6;
  }

  .page-products .prod-line--flip .prod-line__copy {
    grid-column: 1 / span 5;
  }

  .page-products .prod-line--a .prod-line__media {
    transform: translateY(-14px);
  }

  .page-products .prod-line--b .prod-line__media {
    transform: translateY(18px);
  }

  .page-products .prod-line--c .prod-line__media {
    transform: translateY(14px);
  }

  .page-products .prod-line--d .prod-line__media {
    transform: translateY(-12px);
  }

  .page-products .prod-cmp__note {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s ease, opacity .24s ease, margin-top .3s ease;
  }

  .page-products .prod-cmp__row:hover .prod-cmp__note,
  .page-products .prod-cmp__row:focus .prod-cmp__note,
  .page-products .prod-cmp__row:focus-within .prod-cmp__note {
    max-height: 5.6em;
    margin-top: 8px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-cmp__note,
  .page-products .prod-line__media,
  .page-products .prod-jump__item,
  .page-products .prod-sheet tbody tr {
    transition: none;
    transform: none;
  }
}