/* ========== 资料库与版本目录 / page-products ========== */

.page-products {
  padding-bottom: 40px;
}

.page-products .breadcrumb {
  margin: 20px 0 0;
}

/* ---------- 首屏 ---------- */

.page-products .catalog-hero {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 26px 0 36px;
  border-bottom: 2px solid var(--violet-700);
  overflow: hidden;
}

.page-products .catalog-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -130px;
  width: 300px;
  height: 250px;
  background: linear-gradient(135deg, rgba(53, 224, 210, 0.2), rgba(59, 48, 128, 0.02) 72%);
  transform: rotate(24deg);
  pointer-events: none;
}

.page-products .catalog-hero > * {
  position: relative;
  z-index: 1;
}

.page-products .catalog-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--white-050);
}

.page-products .catalog-hero__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist-200);
}

.page-products .catalog-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .catalog-hero__facts li {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist-200);
  border: 1px solid var(--hairline);
  background: rgba(25, 29, 74, 0.72);
  padding: 7px 11px;
}

.page-products .catalog-hero__num {
  color: var(--gold-400);
}

/* ---------- 区块标题 ---------- */

.page-products .section__head {
  display: grid;
  gap: 8px;
  margin-bottom: 26px;
}

.page-products .section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
  line-height: 1.15;
  color: var(--white-050);
}

.page-products .section__head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist-200);
  max-width: 48ch;
}

/* ---------- 媒体容器 ---------- */

.page-products .media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-900);
}

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

/* ---------- 编号索引总览 ---------- */

.page-products .catalog-index__grid {
  display: grid;
  gap: 30px;
}

.page-products .catalog-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-products .index-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 10px;
  padding: 11px 10px 11px 0;
  border-bottom: 1px solid var(--hairline);
  border-left: 2px solid var(--violet-700);
  transition: background var(--fast) ease-out, border-color var(--fast) ease-out,
    transform var(--fast) ease-out;
}

.page-products .index-item:hover,
.page-products .index-item:focus-within {
  background: var(--ink-800);
  border-left-color: var(--cyan-400);
  transform: translateX(2px);
}

.page-products .index-item__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold-400);
  text-align: center;
}

.page-products .index-item__link {
  color: var(--white-050);
  font-size: 0.94rem;
  text-decoration: none;
}

.page-products .index-item__link:hover {
  color: var(--cyan-200);
}

.page-products .index-item__cat {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist-200);
  opacity: 0.75;
}

.page-products .index-item.is-pinned {
  border-left-color: var(--cyan-400);
  background: linear-gradient(90deg, rgba(53, 224, 210, 0.13), rgba(53, 224, 210, 0) 74%);
}

.page-products .index-item.is-pinned .index-item__link {
  color: var(--cyan-200);
  font-weight: 600;
}

.page-products .catalog-index__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .catalog-index__aside .media {
  max-width: 400px;
}

.page-products .catalog-index__note {
  margin: 0;
  max-width: 440px;
  padding: 15px 17px;
  border: 2px solid var(--violet-700);
  background: var(--ink-900);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .catalog-index__note strong {
  color: var(--cyan-200);
  font-weight: 600;
}

/* ---------- 第二项：查询 ---------- */

.page-products .pin-entry__grid {
  display: grid;
  gap: 28px;
}

.page-products .pin-entry__text h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.4vw, 2.25rem);
  line-height: 1.15;
  color: var(--white-050);
}

.page-products .pin-entry__lead {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist-200);
}

.page-products .locate-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .locate-list li {
  border: 2px solid var(--violet-700);
  border-top: 3px solid var(--cyan-400);
  background: var(--ink-800);
  padding: 14px 14px 16px;
}

.page-products .locate-list__tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
}

.page-products .locate-list li p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mist-200);
}

.page-products .pin-entry__tip {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold-400);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .pin-entry__media {
  max-width: 560px;
}

/* ---------- 正式版下载 ---------- */

.page-products .download__grid {
  display: grid;
  gap: 22px;
}

.page-products .download__media {
  max-width: 560px;
}

.page-products .download__card {
  position: relative;
  padding: 22px 20px 24px;
  border: 2px solid var(--violet-700);
  background: var(--ink-900);
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--base) ease-out, transform var(--base) ease-out;
}

.page-products .download__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-products .download__version {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
}

.page-products .download__intro {
  margin: 12px 0 18px;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .download__spec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 18px;
  margin: 0 0 20px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}

.page-products .download__spec dt {
  padding: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
}

.page-products .download__spec dd {
  margin: 0;
  padding: 2px 0 8px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--mist-200);
}

.page-products .download__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .precheck {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .precheck li {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 2px solid var(--violet-700);
  border-left: 4px solid var(--violet-600);
  background: var(--ink-800);
}

.page-products .precheck__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold-400);
}

.page-products .precheck h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .precheck p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--mist-200);
}

/* ---------- 版本主线 ---------- */

.page-products .version-line__frame {
  position: relative;
  border: 2px solid var(--violet-700);
  background: var(--ink-900);
  overflow: hidden;
}

.page-products .version-line__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .version-line__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-products .version-line__inner {
  position: relative;
  z-index: 1;
  padding: 28px 20px 30px;
  background: linear-gradient(180deg, rgba(7, 8, 24, 0.7), rgba(7, 8, 24, 0.92));
}

.page-products .version-line__inner h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.1rem);
  line-height: 1.15;
  color: var(--white-050);
}

.page-products .version-line__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist-200);
}

.page-products .version-track {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .version-track::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--violet-600), var(--cyan-400) 72%, var(--gold-400));
}

.page-products .version-track__item {
  position: relative;
  padding-left: 34px;
}

.page-products .version-track__node {
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border: 2px solid var(--violet-600);
  background: var(--ink-950);
}

.page-products .version-track__item.is-current .version-track__node {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(53, 224, 210, 0.16);
}

.page-products .version-track__ver {
  display: block;
  margin-bottom: 5px;
  font-size: 1.05rem;
  color: var(--gold-400);
}

.page-products .version-track__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .version-notes {
  display: grid;
  gap: 8px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-products .version-notes li {
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .version-notes .mono {
  margin-right: 8px;
  color: var(--cyan-200);
}

/* ---------- 条目折叠 ---------- */

.page-products .entries__strip {
  height: 130px;
  margin-bottom: 24px;
  border: 2px solid var(--violet-700);
  overflow: hidden;
}

.page-products .entries__strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-products .entries__list {
  display: grid;
  gap: 10px;
  max-width: 900px;
}

.page-products .entry-panel {
  border: 2px solid var(--violet-700);
  border-left: 4px solid var(--violet-600);
  background: var(--ink-800);
  transition: border-color var(--base) ease-out;
}

.page-products .entry-panel[open] {
  border-left-color: var(--cyan-400);
}

.page-products .entry-panel__summary {
  display: grid;
  grid-template-columns: 12px 40px 1fr;
  align-items: center;
  gap: 6px 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .entry-panel__summary::-webkit-details-marker {
  display: none;
}

.page-products .entry-panel__summary::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan-400);
  transition: background var(--fast) ease-out;
}

.page-products .entry-panel[open] .entry-panel__summary::before {
  background: var(--cyan-400);
}

.page-products .entry-panel__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold-400);
}

.page-products .entry-panel__name {
  font-size: 0.95rem;
  color: var(--white-050);
}

.page-products .entry-panel__quarter {
  grid-column: 2 / -1;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mist-200);
  opacity: 0.75;
}

.page-products .entry-panel__body {
  padding: 0 16px 18px;
  animation: pp-fade var(--base) ease-out;
}

.page-products .entry-panel__body p {
  margin: 0 0 8px;
  max-width: 68ch;
  font-size: 0.89rem;
  line-height: 1.76;
  color: var(--mist-200);
}

.page-products .entry-panel__body p:last-child {
  margin-bottom: 0;
}

@keyframes pp-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 下一步 ---------- */

.page-products .next-grid {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  border: 2px solid var(--violet-700);
  background: var(--ink-900);
  transition: transform var(--fast) ease-out, box-shadow var(--fast) ease-out,
    border-color var(--fast) ease-out;
}

.page-products .next-card:hover,
.page-products .next-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--violet-600);
  box-shadow: var(--shadow-1);
}

.page-products .next-card__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold-400);
}

.page-products .next-card h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .next-card p {
  flex: 1 1 auto;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--mist-200);
}

.page-products .next-card .btn {
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-products .index-item {
    grid-template-columns: 46px 1fr auto;
  }

  .page-products .index-item__cat {
    display: inline;
  }

  .page-products .precheck {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-products .catalog-hero {
    padding: 34px 0 44px;
  }

  .page-products .section__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    column-gap: 36px;
  }

  .page-products .section__head .eyebrow {
    grid-column: 1 / -1;
  }

  .page-products .section__head h2 {
    grid-column: 1;
  }

  .page-products .section__head p {
    grid-column: 2;
    text-align: right;
    max-width: 40ch;
  }

  .page-products .locate-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .entry-panel__summary {
    grid-template-columns: 12px 46px 1fr auto;
    padding: 15px 18px;
  }

  .page-products .entry-panel__quarter {
    grid-column: auto;
    justify-self: end;
  }

  .page-products .entry-panel__body {
    padding: 0 18px 20px 76px;
  }

  .page-products .entries__strip {
    height: 160px;
  }

  .page-products .download__spec {
    grid-template-columns: auto 1fr;
  }

  .page-products .precheck {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .next-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .version-line__inner {
    padding: 38px 34px 40px;
  }
}

@media (min-width: 900px) {
  .page-products .version-track {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-products .version-track::before {
    left: 10px;
    right: 10px;
    top: 9px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--violet-600), var(--cyan-400) 68%, var(--gold-400));
  }

  .page-products .version-track__item {
    padding-left: 0;
    padding-top: 42px;
  }

  .page-products .version-track__node {
    left: 0;
    top: 0;
  }
}

@media (min-width: 1024px) {
  .page-products .catalog-index__grid {
    grid-template-columns: 4fr 8fr;
    gap: 42px;
  }

  .page-products .pin-entry__grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .download__grid {
    grid-template-columns: 5fr 7fr;
    gap: 36px;
    align-items: stretch;
  }

  .page-products .download__media {
    max-width: none;
    height: 100%;
  }

  .page-products .next-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .locate-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-panel__body {
    animation: none;
  }

  .page-products .index-item,
  .page-products .download__card,
  .page-products .next-card {
    transition: none;
  }

  .page-products .index-item:hover,
  .page-products .index-item:focus-within,
  .page-products .download__card:hover,
  .page-products .next-card:hover,
  .page-products .next-card:focus-within {
    transform: none;
  }
}