.page-products {
  --lib-radius: 20px 8px 24px 10px;
  --lib-hair: rgba(78, 93, 106, 0.26);
  --lib-shadow-none: none;
  display: block;
  background: var(--paper);
  color: var(--ink);
}

.page-products .container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 18px;
}

.page-products .section {
  padding: 46px 0;
}

.page-products .section--tight {
  padding-top: 10px;
}

.page-products .eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--river);
  margin: 0 0 8px;
}

.page-products .section-head {
  max-width: 720px;
  margin: 0 0 26px;
}

.page-products .section-head h2,
.page-products .lib-hero h1,
.page-products .lib-pack h2,
.page-products .lib-fav h2,
.page-products .lib-rules h2 {
  font-family: var(--serif);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--river-deep);
  margin: 0;
}

.page-products .section-head h2,
.page-products .lib-pack h2,
.page-products .lib-fav h2,
.page-products .lib-rules h2 {
  font-size: clamp(1.45rem, 4.6vw, 2.15rem);
  line-height: 1.18;
}

.page-products .lib-hero h1 {
  font-size: clamp(1.85rem, 7vw, 3.25rem);
  line-height: 1.06;
  margin-top: 12px;
}

.page-products .lib-lede {
  font-size: 1rem;
  line-height: 1.68;
  color: var(--slate);
  margin: 14px 0 0;
  max-width: 62ch;
}

.page-products .lib-num {
  font-family: var(--mono);
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--river);
  margin: 0;
}

/* 首屏 */
.page-products .lib-hero {
  position: relative;
}

.page-products .lib-hero__grid {
  display: grid;
  gap: 26px;
}

.page-products .lib-hero__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 1.02rem;
  line-height: 1.66;
  color: var(--slate);
}

.page-products .lib-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .lib-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--gold);
}

.page-products .lib-hero__stat {
  min-width: 0;
}

.page-products .lib-hero__stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 6px;
}

.page-products .lib-hero__stat-note {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.4;
}

.page-products .lib-hero__media {
  margin: 0;
  border-radius: var(--lib-radius);
  overflow: hidden;
  border: 1px solid var(--lib-hair);
}

/* 总览 */
.page-products .lib-overview {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .lib-overview__item {
  padding: 20px 18px;
  background: var(--paper-3);
  border: 1px solid var(--lib-hair);
  border-radius: var(--lib-radius);
}

.page-products .lib-overview__item h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .lib-overview__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.62;
  color: var(--slate);
}

/* 查询区 */
.page-products .lib-query__panel {
  background: var(--paper-2);
  border: 1px solid var(--lib-hair);
  border-radius: var(--lib-radius);
  padding: 18px 16px 20px;
}

.page-products .lib-query__bar {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--lib-hair);
  margin-bottom: 18px;
}

.page-products .filter-input {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 11px 14px;
  color: var(--ink);
  background: var(--paper-3);
  border: 1px solid var(--lib-hair);
  border-radius: 10px;
  outline: none;
}

.page-products .filter-input:focus {
  border-color: var(--cyan);
}

.page-products .lib-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .filter-chip {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 7px 13px;
  color: var(--river);
  background: var(--paper-3);
  border: 1px solid rgba(10, 76, 139, 0.32);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .filter-chip:hover {
  background: var(--paper-2);
  border-color: var(--river);
}

.page-products .filter-chip[aria-pressed="true"] {
  background: var(--river);
  border-color: var(--river);
  color: var(--paper-3);
}

.page-products .lib-query__count {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--slate);
  margin: 0;
}

.page-products .lib-grid {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .lib-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 17px 16px;
  background: var(--paper-3);
  border: 1px solid var(--lib-hair);
  border-radius: var(--lib-radius);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .lib-card:hover,
.page-products .lib-card:focus-within {
  border-color: var(--cyan);
  background: var(--paper);
}

.page-products .lib-card.is-hidden {
  display: none;
}

.page-products .lib-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .lib-card__vol {
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--river-deep);
}

.page-products .lib-card__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.42;
  color: var(--ink);
  margin: 0;
}

.page-products .lib-card__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.58;
  color: var(--slate);
}

.page-products .lib-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 0;
  padding: 0;
}

.page-products .lib-card__tags span {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  color: var(--river);
  background: rgba(10, 76, 139, 0.09);
  border-radius: 4px;
}

.page-products .lib-empty {
  margin: 0 0 18px;
  padding: 16px;
  font-size: 0.9rem;
  color: var(--slate);
  background: var(--paper-3);
  border: 1px dashed var(--lib-hair);
  border-radius: 10px;
}

.page-products .lib-empty[hidden] {
  display: none;
}

.page-products .lib-query__figure,
.page-products .lib-lanes__figure,
.page-products .lib-pack__figure,
.page-products .lib-fav__figure {
  margin: 0;
  border-radius: var(--lib-radius);
  overflow: hidden;
  border: 1px solid var(--lib-hair);
}

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

/* 资源包内容 */
.page-products .lib-pack__grid {
  display: grid;
  gap: 26px;
}

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

.page-products .lib-pack__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .lib-pack__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-products .lib-pack__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--river);
  background: var(--paper-2);
  border-radius: 9px;
}

.page-products .lib-pack__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
}

/* 下载通道 */
.page-products .lib-lanes {
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
}

.page-products .lib-lane {
  display: grid;
  gap: 8px;
}

.page-products .lib-lane__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 12px;
}

.page-products .lib-lane__name {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--ink);
}

.page-products .lib-lane__meta {
  font-size: 0.8rem;
  color: var(--slate);
}

.page-products .lib-lane__track {
  display: block;
  height: 10px;
  background: var(--paper-2);
  border-radius: 999px;
  overflow: hidden;
}

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

.page-products .lib-lane--primary .lib-lane__fill {
  width: 100%;
  background: linear-gradient(90deg, var(--river), var(--cyan));
}

.page-products .lib-lane--backup .lib-lane__fill {
  width: 74%;
  background: linear-gradient(90deg, var(--river-deep), var(--peach));
}

.page-products .lib-lane--mirror .lib-lane__fill {
  width: 58%;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.page-products .lib-lanes__foot {
  margin: 18px 0 0;
  font-size: 0.9rem;
  line-height: 1.66;
  color: var(--slate);
}

/* 收藏同步 */
.page-products .lib-fav__grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-products .lib-fav__points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .lib-fav__points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.62;
  color: var(--slate);
}

.page-products .lib-fav__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

/* 会员档位 */
.page-products .lib-tiers {
  display: grid;
  gap: 16px;
}

.page-products .lib-tier {
  padding: 22px 18px;
  background: var(--paper-3);
  border: 1px solid var(--lib-hair);
  border-radius: var(--lib-radius);
}

.page-products .lib-tier--feature {
  background: var(--green);
  border-color: var(--green);
}

.page-products .lib-tier--feature .lib-tier__name,
.page-products .lib-tier--feature .lib-tier__tagline,
.page-products .lib-tier--feature .lib-tier__body {
  color: var(--paper);
}

.page-products .lib-tier--feature .lib-tier__tagline {
  color: var(--cyan);
}

.page-products .lib-tier__name {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.35rem;
  margin: 0;
  color: var(--river-deep);
}

.page-products .lib-tier__tagline {
  margin: 6px 0 0;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-products .lib-tier__body {
  margin: 12px 0 0;
  font-size: 0.91rem;
  line-height: 1.64;
  color: var(--slate);
}

.page-products .lib-tiers__foot {
  margin: 24px 0 0;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--slate);
}

/* 更新节奏 */
.page-products .lib-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--lib-hair);
}

.page-products .lib-cadence__list li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--lib-hair);
}

.page-products .lib-cadence__when {
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--river);
}

.page-products .lib-cadence__what {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .lib-cadence__foot {
  margin: 18px 0 0;
  font-size: 0.9rem;
  line-height: 1.66;
  color: var(--slate);
}

/* 整理方式 */
.page-products .lib-rules__grid {
  display: grid;
  gap: 26px;
}

.page-products .lib-rules__aside {
  padding: 20px 18px;
  background: var(--river-deep);
  border-radius: var(--lib-radius);
}

.page-products .lib-rules__aside-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

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

.page-products .lib-rules__links li {
  display: grid;
  gap: 3px;
}

.page-products .lib-rules__links a {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-products .lib-rules__links a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .lib-rules__links span {
  font-size: 0.8rem;
  color: rgba(246, 241, 231, 0.72);
}

.page-products a.link-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--river);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-products a.link-more:hover {
  border-bottom-color: var(--cyan);
}

.page-products .lib-lanes__foot a,
.page-products .lib-cadence__foot a,
.page-products .lib-rules__body a {
  color: var(--river);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
}

.page-products .lib-lanes__foot a:hover,
.page-products .lib-cadence__foot a:hover,
.page-products .lib-rules__body a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 640px) {
  .page-products .container {
    padding: 0 26px;
  }

  .page-products .section {
    padding: 58px 0;
  }

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

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

  .page-products .lib-query__panel {
    padding: 22px 22px 24px;
  }
}

@media (min-width: 900px) {
  .page-products .lib-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 40px;
    align-items: center;
  }

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

  .page-products .lib-pack__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .lib-fav__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
  }

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

  .page-products .lib-rules__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .lib-rules__aside {
    position: sticky;
    top: calc(var(--topbar) + 20px);
  }
}

@media (min-width: 1120px) {
  .page-products .lib-cadence__list li {
    grid-template-columns: 130px minmax(0, 1fr);
  }
}

@media (max-width: 460px) {
  .page-products .lib-hero__stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-products .lib-cadence__list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .lib-card,
  .page-products .filter-chip,
  .page-products .lib-rules__links a {
    transition: none;
  }
}