/* ===== 玩法资料库 /features/ 页面专属样式 ===== */

.page-products {
  --pp-gap: clamp(16px, 3vw, 28px);
  --pp-card: #13233C;
  --pp-card-2: #172A46;
  --pp-hair: rgba(217, 164, 65, .18);
  --pp-hair-strong: rgba(217, 164, 65, .42);
  --pp-body: rgba(242, 233, 218, .84);
  --pp-dim: rgba(242, 233, 218, .62);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(430px, 64vh, 640px);
  padding-top: clamp(96px, 16vh, 168px);
  padding-bottom: clamp(40px, 7vw, 84px);
  overflow: hidden;
}
.page-products .pp-hero__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .40;
  filter: saturate(.82) contrast(1.04);
}
.page-products .pp-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(14, 26, 43, .74) 0%, rgba(14, 26, 43, .50) 40%, rgba(14, 26, 43, .97) 100%),
    radial-gradient(120% 72% at 6% 14%, rgba(185, 59, 44, .32), transparent 62%),
    radial-gradient(96% 66% at 94% 78%, rgba(46, 110, 142, .30), transparent 66%);
}
.page-products .pp-hero__inner {
  position: relative;
  z-index: 2;
}
.page-products .pp-hero__title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  font-size: clamp(46px, 9.4vw, 96px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--sf-cream);
}
.page-products .pp-hero__lead {
  max-width: 620px;
  margin-top: clamp(16px, 2.6vw, 26px);
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--pp-body);
}
.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

/* ---------- 概况条 ---------- */
.page-products .pp-digest__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .pp-digest__glass {
  padding: clamp(22px, 3.2vw, 38px);
  border-radius: var(--sf-radius);
  border: 1px solid var(--pp-hair);
  background: rgba(22, 38, 61, .56);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 26px 64px rgba(0, 0, 0, .30);
}
.page-products .pp-stats {
  display: grid;
  gap: 18px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}
.page-products .pp-stats li {
  padding-top: 14px;
  border-top: 1px solid var(--pp-hair);
}
.page-products .pp-stats__num {
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--sf-gold);
}
.page-products .pp-stats__unit {
  margin-left: 6px;
  font-size: 14px;
  color: var(--sf-gold);
  letter-spacing: .06em;
}
.page-products .pp-stats__label {
  display: block;
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-dim);
}
.page-products .pp-digest__sand {
  padding: clamp(22px, 3.2vw, 38px);
  border-radius: var(--sf-radius);
  background: var(--sf-sand);
  color: var(--sf-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-products .pp-digest__kicker {
  color: var(--sf-clay);
}
.page-products .pp-digest__version {
  margin: 12px 0 0;
  font-family: var(--sf-mono);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--sf-ink);
}
.page-products .pp-sync {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--sf-azurite-deep);
}
.page-products .pp-sync__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sf-moss);
  box-shadow: 0 0 0 4px rgba(110, 138, 90, .22);
}
.page-products .pp-sync__prev {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--sf-ink);
  color: var(--sf-cream);
  font-size: 11.5px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .28s var(--sf-ease), transform .28s var(--sf-ease);
  pointer-events: none;
}
.page-products .pp-sync:hover .pp-sync__prev,
.page-products .pp-sync:focus-visible .pp-sync__prev,
.page-products .pp-sync:focus-within .pp-sync__prev {
  opacity: 1;
  transform: translateY(0);
}
.page-products .pp-digest__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(22, 38, 61, .78);
}

/* ---------- 通用小标题头 ---------- */
.page-products .pp-head .pp-lead,
.page-products .pp-lead {
  max-width: 60ch;
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pp-dim);
}

/* ---------- 总览 ---------- */
.page-products .pp-overview {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(20px, 3vw, 34px);
}
.page-products .pp-overview__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-products .pp-overview__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(150deg, var(--pp-card-2), var(--pp-card));
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pp-body);
}
.page-products .pp-overview__list .sf-mono {
  color: var(--sf-gold);
  font-size: 12px;
}
.page-products .pp-overview__list b {
  grid-column: 2;
  color: var(--sf-cream);
  font-weight: 600;
}
.page-products .pp-overview__list li > .sf-mono {
  grid-row: 1 / span 2;
  padding-top: 2px;
}

/* ---------- 主题配图 ---------- */
.page-products .pp-theme-visuals {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin: clamp(20px, 3vw, 32px) 0 var(--pp-gap);
}
.page-products .pp-theme-visuals figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-products .pp-theme-visuals img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-products .pp-theme-visuals figcaption {
  padding: 12px 16px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--pp-dim);
  background: rgba(14, 26, 43, .78);
}

/* ---------- 筛选栏 ---------- */
.page-products .filter-bar {
  display: grid;
  gap: 12px;
  margin-bottom: var(--pp-gap);
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  background: rgba(22, 38, 61, .52);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.page-products .filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-products .filter-group__key {
  flex: 0 0 auto;
  margin-right: 4px;
  font-family: var(--sf-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--sf-stone);
}
.page-products .filter-opts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .filter-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(217, 164, 65, .26);
  font-size: 13px;
  color: var(--pp-body);
  cursor: pointer;
  user-select: none;
  transition: background-color .22s var(--sf-ease), color .22s var(--sf-ease), border-color .22s var(--sf-ease);
}
.page-products .filter-tag:hover {
  border-color: var(--sf-gold);
  color: var(--sf-cream);
}
.page-products .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.page-products .filter-radio:checked + .filter-tag {
  background: var(--sf-gold);
  border-color: var(--sf-gold);
  color: var(--sf-night);
  font-weight: 600;
}
.page-products .filter-radio:focus-visible + .filter-tag {
  outline: 2px solid var(--sf-gold);
  outline-offset: 2px;
}

/* 三维筛选：CSS 即时过滤 */
.page-products .library:has(#pp-type-duel:checked) .lib-card:not([data-type="duel"]) { display: none; }
.page-products .library:has(#pp-type-guess:checked) .lib-card:not([data-type="guess"]) { display: none; }
.page-products .library:has(#pp-type-feast:checked) .lib-card:not([data-type="feast"]) { display: none; }
.page-products .library:has(#pp-aud-new:checked) .lib-card:not([data-audience="new"]) { display: none; }
.page-products .library:has(#pp-aud-pro:checked) .lib-card:not([data-audience="pro"]) { display: none; }
.page-products .library:has(#pp-aud-team:checked) .lib-card:not([data-audience="team"]) { display: none; }
.page-products .library:has(#pp-lv-easy:checked) .lib-card:not([data-level="easy"]) { display: none; }
.page-products .library:has(#pp-lv-study:checked) .lib-card:not([data-level="study"]) { display: none; }
.page-products .library:has(#pp-lv-hard:checked) .lib-card:not([data-level="hard"]) { display: none; }

/* ---------- 卡片墙 + 术语栏 ---------- */
.page-products .library__body {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .wall {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  align-content: start;
}
.page-products .lib-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(158deg, var(--pp-card-2), var(--pp-card));
  transition: transform .3s var(--sf-ease), border-color .3s var(--sf-ease), box-shadow .3s var(--sf-ease);
}
.page-products .lib-card:hover {
  transform: translateY(-4px);
  border-color: var(--pp-hair-strong);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .30);
}
.page-products .lib-card[open] {
  border-color: var(--pp-hair-strong);
}
.page-products .lib-card__head {
  display: block;
  padding: 16px 16px 16px 22px;
  cursor: pointer;
  list-style: none;
}
.page-products .lib-card__head::-webkit-details-marker { display: none; }
.page-products .lib-card__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--sf-azurite);
}
.page-products .lib-card[data-type="guess"] .lib-card__bar { background: var(--sf-moss); }
.page-products .lib-card[data-type="feast"] .lib-card__bar { background: var(--sf-cinnabar); }
.page-products .lib-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-products .lib-card__code {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--sf-stone);
}
.page-products .lib-card__name {
  display: block;
  margin-top: 12px;
  font-family: var(--sf-serif);
  font-weight: 600;
  font-size: clamp(19px, 2.2vw, 22px);
  line-height: 1.35;
  color: var(--sf-cream);
}
.page-products .lib-card__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pp-dim);
}
.page-products .lib-card__cue {
  display: block;
  margin-top: 14px;
  font-family: var(--sf-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--sf-gold);
}
.page-products .lib-card[open] .lib-card__cue { opacity: .5; }
.page-products .lib-card__more {
  padding: 14px 18px 20px 22px;
  border-top: 1px solid var(--pp-hair);
  background: rgba(14, 26, 43, .48);
}
.page-products .lib-card__facts {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 7px 12px;
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
}
.page-products .lib-card__facts dt {
  font-family: var(--sf-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--sf-stone);
  padding-top: 2px;
}
.page-products .lib-card__facts dd {
  margin: 0;
  color: var(--sf-cream);
}
.page-products .lib-card__more p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--pp-dim);
}

/* ---------- 右侧术语栏 ---------- */
.page-products .glossary {
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  background: rgba(22, 38, 61, .42);
}
.page-products .glossary__title {
  color: var(--sf-gold);
}
.page-products .glossary__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-products .glossary__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(217, 164, 65, .12);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pp-dim);
}
.page-products .glossary__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-products .glossary__list .sf-mono {
  grid-row: 1 / span 2;
  font-size: 11.5px;
  color: var(--sf-clay);
  padding-top: 3px;
}
.page-products .glossary__list b {
  color: var(--sf-cream);
  font-weight: 600;
}
.page-products .glossary__more {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--pp-hair);
}
.page-products .glossary__more a {
  font-size: 13.5px;
  color: var(--sf-azurite);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color .22s var(--sf-ease);
}
.page-products .glossary__more a:hover { color: var(--sf-gold); }

/* ---------- 三维说明 ---------- */
.page-products .pp-dims {
  margin-top: clamp(20px, 3vw, 32px);
}
.page-products .pp-dim {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(158deg, var(--pp-card-2), var(--pp-card));
  border-top-width: 3px;
}
.page-products .pp-dim--azurite { border-top-color: var(--sf-azurite); }
.page-products .pp-dim--moss { border-top-color: var(--sf-moss); }
.page-products .pp-dim--clay { border-top-color: var(--sf-clay); }
.page-products .pp-dim__idx {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--sf-stone);
}
.page-products .pp-dim h3 {
  margin: 12px 0 0;
  color: var(--sf-cream);
}
.page-products .pp-dim p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pp-dim);
}
.page-products .pp-dim__use {
  padding-top: 12px;
  border-top: 1px dashed rgba(217, 164, 65, .22);
  color: var(--pp-body) !important;
  font-size: 13.5px !important;
}

/* ---------- 活动规则 ---------- */
.page-products .pp-rules {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .pp-steps {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-products .pp-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 16px;
  border-radius: 12px;
  border-left: 3px solid var(--sf-clay);
  background: rgba(22, 38, 61, .5);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-body);
}
.page-products .pp-steps .sf-mono {
  font-size: 12px;
  color: var(--sf-gold);
}
.page-products .pp-rules__note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--pp-dim);
}
.page-products .pp-rules__note a {
  color: var(--sf-azurite);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-products .pp-rules__note a:hover { color: var(--sf-gold); }
.page-products .pp-rules__figure {
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}
.page-products .pp-rules__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pp-rules__figure figcaption {
  padding: 12px 16px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--pp-dim);
  background: rgba(14, 26, 43, .78);
}

/* ---------- 同步节奏 ---------- */
.page-products .pp-cycles {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .pp-cycles__figure {
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  background: radial-gradient(circle at 50% 45%, rgba(217, 164, 65, .12), transparent 68%);
}
.page-products .pp-cycles__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}
.page-products .pp-cycles__figure figcaption {
  padding: 12px 16px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--pp-dim);
  border-top: 1px solid var(--pp-hair);
}
.page-products .pp-cycles__points {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-products .pp-cycles__points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--pp-hair);
  background: rgba(22, 38, 61, .42);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-body);
}
.page-products .pp-cycles__points .sf-mono {
  font-size: 12px;
  color: var(--sf-gold);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta__box {
  display: grid;
  gap: var(--pp-gap);
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--sf-radius);
  border: 1px solid var(--pp-hair-strong);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(185, 59, 44, .20), transparent 58%),
    linear-gradient(150deg, #1A2E4C, #10203A);
}
.page-products .pp-cta__box p {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-body);
}
.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-theme-visuals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pp-overview { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
}

@media (min-width: 860px) {
  .page-products .filter-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
  .page-products .pp-digest__grid { grid-template-columns: 1.55fr 1fr; align-items: stretch; }
  .page-products .pp-rules { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: start; }
  .page-products .pp-cycles { grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); align-items: start; }
  .page-products .pp-cta__box { grid-template-columns: minmax(0, 1.6fr) auto; align-items: center; }
}

@media (min-width: 1080px) {
  .page-products .library__body { grid-template-columns: minmax(0, 1fr) 272px; align-items: start; }
  .page-products .glossary {
    position: sticky;
    top: 116px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }
}

@media (min-width: 1400px) {
  .page-products .wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .lib-card,
  .page-products .filter-tag,
  .page-products .glossary__more a,
  .page-products .pp-sync__prev {
    transition: none;
  }
  .page-products .lib-card:hover { transform: none; }
}