/* ===== 下载中心 / page-products ===== */
.page-products {
  --pd-rail: 296px;
  --pd-panel-bg: rgba(10, 27, 61, 0.62);
  --pd-teal-bg: rgba(12, 74, 72, 0.30);
  --pd-soft: rgba(198, 210, 227, 0.76);
  --pd-soft-2: rgba(198, 210, 227, 0.52);
  --pd-ink-soft: rgba(10, 12, 18, 0.70);
  --pd-ink-line: rgba(10, 12, 18, 0.14);
  display: block;
  background: var(--yb-deep);
  color: var(--yb-silver);
  font-family: var(--yb-sans);
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products p,
.page-products dl,
.page-products dd,
.page-products figure {
  margin: 0;
}

.page-products a {
  color: var(--yb-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, 0.42);
}

.page-products a:hover {
  border-bottom-color: var(--yb-orange);
}

.page-products .yb-overline {
  display: block;
  margin: 0 0 10px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--yb-orange);
}

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

/* ----- 面包屑 ----- */
.page-products .yb-crumbs {
  padding-top: 22px;
  padding-bottom: 2px;
}

/* ----- 首屏 ----- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--yb-line);
  background:
    radial-gradient(880px 420px at 92% -18%, rgba(255, 106, 26, 0.24), transparent 68%),
    radial-gradient(620px 360px at 6% 110%, rgba(184, 255, 69, 0.10), transparent 70%),
    linear-gradient(180deg, var(--yb-deep-2) 0%, var(--yb-deep) 100%);
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 30px;
  padding-top: 30px;
  padding-bottom: 48px;
}

.page-products .pd-hero__title {
  font-size: clamp(40px, 8.6vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--yb-paper);
}

.page-products .pd-hero__lead {
  margin-top: 16px;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pd-hero__board {
  position: relative;
  padding: 18px 18px 6px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background:
    radial-gradient(420px 200px at 100% 0%, rgba(255, 106, 26, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(36, 26, 94, 0.62) 0%, rgba(10, 27, 61, 0.9) 100%);
}

.page-products .pd-hero__board-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--yb-line);
}

.page-products .pd-hero__board-label {
  font-size: 14px;
  color: var(--pd-soft);
}

.page-products .pd-hero__board-ver {
  margin-left: auto;
  font-size: 16px;
  color: var(--yb-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-facts__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--yb-line);
  font-size: 15px;
}

.page-products .pd-facts__item:last-child {
  border-bottom: 0;
}

.page-products .pd-facts__k {
  color: var(--pd-soft-2);
}

.page-products .pd-facts__v {
  font-size: 20px;
  font-weight: 700;
  color: var(--yb-paper);
  font-variant-numeric: tabular-nums;
}

/* ----- 通用章节 ----- */
.page-products .pd-section {
  border-top: 1px solid var(--yb-line);
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .pd-section--teal {
  background: linear-gradient(180deg, var(--pd-teal-bg) 0%, rgba(12, 74, 72, 0.08) 100%);
}

.page-products .pd-section--wine {
  background: linear-gradient(180deg, rgba(107, 18, 48, 0.52) 0%, rgba(107, 18, 48, 0.14) 100%);
}

.page-products .pd-section--paper {
  background: var(--yb-paper);
  color: var(--yb-ink);
}

.page-products .pd-head {
  max-width: var(--yb-prose);
}

.page-products .yb-h2 {
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--yb-paper);
}

.page-products .pd-head__lead {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-section--paper .yb-overline {
  color: var(--yb-indigo);
}

.page-products .pd-section--paper .yb-h2 {
  color: var(--yb-ink);
}

.page-products .pd-section--paper .pd-head__lead {
  color: var(--pd-ink-soft);
}

.page-products .pd-section--paper a {
  color: var(--yb-orange-deep);
  border-bottom-color: rgba(184, 67, 10, 0.4);
}

/* ----- 图片框 ----- */
.page-products .pd-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: var(--yb-deep-2);
}

.page-products .pd-frame img {
  width: 100%;
  object-fit: cover;
}

.page-products .pd-section--paper .pd-frame {
  border-color: rgba(10, 12, 18, 0.16);
  background: #dde5f1;
}

/* ----- 版本矩阵 ----- */
.page-products .pd-version {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-products .pd-tabs {
  display: grid;
  gap: 8px;
}

.page-products .pd-tab {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--yb-line);
  border-left: 3px solid transparent;
  border-radius: var(--yb-radius);
  background: var(--pd-panel-bg);
  color: var(--yb-silver);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.page-products .pd-tab:hover {
  border-color: var(--yb-line-strong);
}

.page-products .pd-tab:focus-visible {
  outline: 2px solid var(--yb-lime);
  outline-offset: 2px;
}

.page-products .pd-tab[aria-selected="true"] {
  border-color: var(--yb-line-strong);
  border-left-color: var(--yb-orange);
  background: linear-gradient(100deg, rgba(255, 106, 26, 0.20) 0%, rgba(184, 255, 69, 0.10) 100%);
  color: var(--yb-paper);
}

.page-products .pd-tab__code {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tab__name {
  font-size: 16px;
  font-weight: 700;
}

.page-products .pd-tab__size {
  font-size: 13px;
  color: var(--pd-soft-2);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tab[aria-selected="true"] .pd-tab__size {
  color: var(--yb-paper);
}

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

.page-products .pd-panel {
  padding: 20px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: linear-gradient(160deg, rgba(12, 74, 72, 0.34) 0%, rgba(10, 27, 61, 0.62) 100%);
}

.page-products .pd-panel__top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .pd-panel__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--yb-paper);
}

.page-products .pd-spec {
  margin-top: 14px;
}

.page-products .pd-spec__row {
  display: grid;
  grid-template-columns: minmax(84px, 104px) minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--yb-line);
}

.page-products .pd-spec__row dt {
  font-size: 14px;
  color: var(--pd-soft-2);
}

.page-products .pd-spec__row dd {
  font-size: 15px;
  line-height: 1.6;
  color: #e7eef8;
}

.page-products .pd-spec__row dd.yb-num {
  font-family: var(--yb-mono);
  font-size: 16px;
  color: var(--yb-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-panel__note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--yb-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--pd-soft-2);
}

.page-products .pd-frame--hero {
  margin-top: 30px;
}

/* ----- 功能章节 ----- */
.page-products .pd-feature {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-products .pd-feature__title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--yb-paper);
}

.page-products .pd-feature__text {
  margin-top: 12px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-taglist {
  display: flex;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-products .pd-taglist li {
  flex: 0 0 auto;
  padding: 8px 15px;
  border: 1px solid rgba(184, 255, 69, 0.42);
  border-radius: var(--yb-radius);
  background: rgba(184, 255, 69, 0.06);
  font-family: var(--yb-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--yb-lime);
}

.page-products .pd-cards {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-card {
  padding: 20px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: var(--pd-panel-bg);
}

.page-products .pd-card__title {
  margin-top: 6px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--yb-paper);
}

.page-products .pd-card__text {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-card__media {
  margin-top: 16px;
}

/* ----- 三步安装 ----- */
.page-products .pd-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-step {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: var(--pd-panel-bg);
}

.page-products .pd-step::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--yb-grad);
}

.page-products .pd-step__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-step__title {
  margin-top: 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--yb-paper);
}

.page-products .pd-step__text {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-step__bar {
  position: relative;
  height: 2px;
  margin-top: 18px;
  background: rgba(198, 210, 227, 0.18);
}

.page-products .pd-step__bar::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  background: var(--yb-lime);
}

.page-products .pd-step:nth-child(1) .pd-step__bar::after {
  width: 33%;
}

.page-products .pd-step:nth-child(2) .pd-step__bar::after {
  width: 66%;
}

.page-products .pd-step:nth-child(3) .pd-step__bar::after {
  width: 100%;
}

.page-products .pd-frame--wide {
  margin-top: 26px;
}

/* ----- 文档索引 ----- */
.page-products .pd-docs {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-products .pd-docs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pd-ink-line);
}

.page-products .pd-docs__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  grid-template-areas:
    "no name count"
    "no desc desc";
  gap: 5px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pd-ink-line);
}

.page-products .pd-docs__no {
  grid-area: no;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--yb-orange-deep);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-docs__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 800;
  color: var(--yb-ink);
}

.page-products .pd-docs__count {
  grid-area: count;
  align-self: center;
  font-family: var(--yb-mono);
  font-size: 13px;
  color: rgba(10, 12, 18, 0.62);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-docs__desc {
  grid-area: desc;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-ink-soft);
}

.page-products .pd-docs__aside img {
  width: 100%;
}

.page-products .pd-docs__foot {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid var(--yb-orange);
  background: rgba(36, 26, 94, 0.06);
  font-size: 16px;
  line-height: 1.75;
  color: var(--pd-ink-soft);
}

/* ----- 运行环境与报错 ----- */
.page-products .pd-split {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-products .pd-panelcard {
  padding: 22px 20px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: var(--pd-panel-bg);
}

.page-products .pd-panelcard__title {
  font-size: 19px;
  font-weight: 800;
  color: var(--yb-paper);
}

.page-products .pd-checklist {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .pd-checklist li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-top: 1px solid var(--yb-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-soft);
}

.page-products .pd-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--yb-lime);
}

.page-products .pd-errlist {
  margin-top: 16px;
}

.page-products .pd-errlist__row {
  padding: 12px 0;
  border-top: 1px solid var(--yb-line);
}

.page-products .pd-errlist__row dt {
  font-size: 16px;
  font-weight: 700;
  color: var(--yb-amber-tag);
}

.page-products .pd-errlist__row dd {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-soft);
}

.page-products .pd-panelcard__foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--yb-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-soft-2);
}

/* ----- 更新节奏 ----- */
.page-products .pd-ticks {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-products .pd-tick {
  padding: 20px;
  border: 1px solid rgba(255, 194, 75, 0.28);
  border-radius: var(--yb-radius);
  background: rgba(10, 27, 61, 0.42);
}

.page-products .pd-tick__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-amber-tag);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tick__title {
  margin-top: 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--yb-paper);
}

.page-products .pd-tick__text {
  margin-top: 9px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pd-soft);
}

.page-products .pd-outro {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--yb-line-strong);
  border-left: 3px solid var(--yb-lime);
  border-radius: var(--yb-radius);
  background: rgba(7, 18, 41, 0.5);
}

.page-products .pd-outro__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--pd-soft);
}

.page-products .pd-outro__text strong {
  color: var(--yb-paper);
}

/* ----- 响应式 ----- */
@media (min-width: 640px) {
  .page-products .pd-hero__inner {
    padding-top: 38px;
    padding-bottom: 58px;
  }

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

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

@media (min-width: 900px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 40px;
  }

  .page-products .pd-section {
    padding-top: 72px;
    padding-bottom: 76px;
  }

  .page-products .pd-version {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .pd-tabs {
    position: sticky;
    top: 96px;
  }

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

  .page-products .pd-feature {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
    gap: 34px;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pd-docs {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
  }

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

@media (min-width: 1180px) {
  .page-products .pd-version {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
  }

  .page-products .pd-docs {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-tab {
    transition: none;
  }
}