.page-products {
  --lib-sticky-top: 104px;
  --lib-tier-entry: var(--lilac);
  --lib-tier-mid: var(--cyan);
  --lib-tier-high: var(--magenta);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-products [data-reveal] {
  animation: libRise .62s cubic-bezier(.22, .68, .35, 1) both;
  animation-delay: var(--reveal-delay, 0ms);
}

@keyframes libRise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.page-products .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .lib-hero {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(22px, 4vw, 46px);
  padding-bottom: clamp(34px, 5vw, 64px);
}

.page-products .lib-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 200;
  font-size: clamp(44px, 9vw, 108px);
  line-height: .98;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  background: linear-gradient(96deg, var(--text) 32%, var(--cyan) 78%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .lib-hero .lede {
  max-width: 46ch;
  margin-top: 18px;
}

.page-products .lib-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .lib-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-self: end;
}

.page-products .lib-hero__stats > div {
  background: var(--panel);
  padding: 15px 16px 17px;
}

.page-products .lib-hero__stats dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  margin-bottom: 7px;
}

.page-products .lib-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: .02em;
  color: var(--text);
}

.page-products .lib-hero__stats dd span {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-left: 5px;
}

/* ---------- 总览 ---------- */
.page-products .lib-overview {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-products .lib-overview__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .lib-overview__body p {
  margin: 0 0 14px;
  max-width: 52ch;
}

.page-products .lib-overview__list {
  list-style: none;
  margin: 22px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .lib-overview__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .lib-overview__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-products .lib-overview__list strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .01em;
}

/* ---------- 通用媒体框 ---------- */
.page-products .media-frame {
  margin: 0;
}

.page-products .media-frame__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel-2);
}

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

.page-products .media-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 机型分级矩阵 ---------- */
.page-products .lib-matrix-section {
  padding-top: clamp(44px, 6vw, 82px);
}

.page-products .lib-matrix__scroll {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .lib-matrix {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .lib-matrix__caption {
  caption-side: top;
  text-align: left;
  padding: 16px 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .lib-matrix th,
.page-products .lib-matrix td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.65;
}

.page-products .lib-matrix thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  font-weight: 500;
  background: var(--ink-900);
  border-bottom-color: var(--line);
}

.page-products .lib-matrix tbody tr:last-child th,
.page-products .lib-matrix tbody tr:last-child td {
  border-bottom: none;
}

.page-products .lib-matrix tbody td {
  color: var(--muted);
}

.page-products .lib-matrix tbody tr:hover {
  background: rgba(53, 224, 200, .045);
}

.page-products .lib-tier {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .06em;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-products .lib-tier--entry { color: var(--lib-tier-entry); }
.page-products .lib-tier--mid { color: var(--lib-tier-mid); }
.page-products .lib-tier--high { color: var(--lib-tier-high); }

.page-products .lib-matrix__bars {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-products .lib-bar-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.page-products .lib-bar-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .lib-bar {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .lib-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-products .lib-bar--entry i { width: 33%; background: var(--lib-tier-entry); }
.page-products .lib-bar--mid i { width: 63%; background: var(--lib-tier-mid); }
.page-products .lib-bar--high i { width: 100%; background: var(--lib-tier-high); }

.page-products .lib-matrix__figure {
  margin-top: clamp(24px, 3vw, 36px);
  max-width: 760px;
}

/* ---------- 版本卡片清单 ---------- */
.page-products .lib-cards-section {
  padding-top: clamp(44px, 6vw, 82px);
}

.page-products .lib-cards-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .lib-filters {
  align-self: start;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-products .lib-filters__title {
  font-size: 15px;
  margin: 0 0 14px;
  letter-spacing: .04em;
}

.page-products .lib-filters .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .lib-legend {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 12px;
}

.page-products .lib-legend > div {
  display: grid;
  gap: 3px;
}

.page-products .lib-legend dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}

.page-products .lib-legend dd {
  margin: 0 0 0 18px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.page-products .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}

.page-products .status-dot--cyan { background: var(--cyan); }
.page-products .status-dot--magenta { background: var(--magenta); }
.page-products .status-dot--amber { background: var(--amber); }
.page-products .status-dot--lilac { background: var(--lilac); }

.page-products .lib-filters__hint {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .lib-card-list {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-products .lib-card {
  position: relative;
  padding: 20px 22px 18px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .25s ease, background .25s ease;
}

.page-products .lib-card::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 999px;
  background: var(--tier-color, var(--line));
}

.page-products .lib-card[data-tier="entry"] { --tier-color: var(--lib-tier-entry); }
.page-products .lib-card[data-tier="mid"] { --tier-color: var(--lib-tier-mid); }
.page-products .lib-card[data-tier="high"] { --tier-color: var(--lib-tier-high); }

.page-products .lib-card:hover {
  border-color: rgba(53, 224, 200, .45);
  background: var(--panel-2);
}

.page-products .lib-card .card__title {
  font-size: 16px;
  margin: 0;
  padding-right: 76px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-products .lib-card__ver {
  margin: 10px 0 4px;
  font-size: clamp(20px, 3vw, 24px);
  letter-spacing: .06em;
  color: var(--tier-color, var(--cyan));
}

.page-products .lib-card .card__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-products .lib-card .card__body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 60ch;
}

.page-products .lib-card__more {
  margin-top: 12px;
}

.page-products .lib-card__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--violet);
}

.page-products .lib-card__more summary::-webkit-details-marker { display: none; }

.page-products .lib-card__more summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .lib-card__more[open] summary::after { content: "－"; }

.page-products .lib-card__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-products .lib-card__facts {
  margin: 12px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.page-products .lib-card__facts > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-products .lib-card__facts dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .lib-card__facts dd {
  margin: 0;
  font-size: 13px;
  color: var(--text);
  word-break: break-word;
}

.page-products .lib-cards__figure {
  margin-top: clamp(26px, 4vw, 40px);
  max-width: 700px;
}

/* ---------- 导出内容栏目 ---------- */
.page-products .lib-export-section {
  padding-top: clamp(48px, 7vw, 92px);
}

.page-products .lib-export {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(53, 224, 200, .08), rgba(53, 224, 200, 0) 46%),
    var(--panel);
  padding: clamp(22px, 4vw, 46px);
}

.page-products .lib-export__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .lib-export__body p {
  margin: 0 0 14px;
  max-width: 56ch;
}

.page-products .lib-export__fields {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .lib-export__fields li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--ink-900);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
}

.page-products .lib-export__fields li::before {
  content: "✓";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  flex: none;
}

.page-products .lib-export__foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 校验步骤 ---------- */
.page-products .lib-check {
  padding-top: clamp(48px, 7vw, 92px);
}

.page-products .lib-check__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .lib-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: libstep;
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-products .lib-steps li {
  position: relative;
  padding-left: 56px;
  min-height: 40px;
}

.page-products .lib-steps li::before {
  counter-increment: libstep;
  content: counter(libstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.page-products .lib-steps h3 {
  margin: 6px 0 4px;
  font-size: 15.5px;
  letter-spacing: .02em;
}

.page-products .lib-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 52ch;
}

.page-products .lib-check__figure {
  margin: 0;
}

/* ---------- 兼容问题 ---------- */
.page-products .lib-fix {
  padding-top: clamp(48px, 7vw, 92px);
}

.page-products .lib-fix__grid {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .lib-fix__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .lib-fix__card .card__title {
  font-size: 16px;
  margin: 0;
}

.page-products .lib-fix__card .card__body {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .lib-fix__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 68ch;
}

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

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

  .page-products .lib-cards__figure .media-frame__media,
  .page-products .lib-check__figure .media-frame__media {
    border-radius: var(--radius-lg);
  }
}

@media (min-width: 900px) {
  .page-products .lib-hero {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .lib-overview__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .lib-overview__figure {
    position: sticky;
    top: var(--lib-sticky-top);
  }

  .page-products .lib-export__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .lib-check__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1000px) {
  .page-products .lib-cards-layout {
    grid-template-columns: 268px minmax(0, 1fr);
  }

  .page-products .lib-filters {
    position: sticky;
    top: var(--lib-sticky-top);
    max-height: calc(100vh - var(--lib-sticky-top) - 24px);
    overflow-y: auto;
  }
}

@media (max-width: 560px) {
  .page-products .lib-card {
    padding: 18px 16px 16px 24px;
  }

  .page-products .lib-card .card__title {
    padding-right: 0;
  }

  .page-products .lib-card .badge--float {
    position: static;
    display: inline-flex;
    margin-bottom: 8px;
  }

  .page-products .lib-bar-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 10px;
  }

  .page-products .lib-card__facts > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .page-products .lib-card {
    transition: none;
  }
}