/* ============================================================
   功能中心 /features/  —— 页面专属样式（作用域 .page-products）
   ============================================================ */

.page-products {
  --pp-soft: rgba(127, 168, 180, 0.45);
  --pp-copper-line: rgba(192, 138, 62, 0.4);
}

/* ---------- 面包屑 ---------- */
.page-products__crumbs {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: 4px;
}

/* ---------- 首屏：对角错位色块 ---------- */
.page-products__hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding: clamp(36px, 6vw, 76px) 0 clamp(48px, 7vw, 88px);
}

.page-products__hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -16%;
  width: 76%;
  height: 152%;
  background: linear-gradient(158deg, var(--night) 0%, rgba(22, 36, 47, 0.12) 76%);
  transform: skewX(-13deg);
  pointer-events: none;
}

.page-products__hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -16%;
  width: 2px;
  height: 152%;
  background: linear-gradient(180deg, transparent 0%, var(--copper) 42%, transparent 100%);
  transform: skewX(-13deg);
  opacity: 0.6;
  pointer-events: none;
}

.page-products__hero-inner {
  position: relative;
  z-index: 1;
}

.page-products__title {
  margin: 16px 0 0;
  max-width: 15em;
  color: var(--paper);
  font-size: clamp(34px, 5.8vw, 66px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-products__lead {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 34em;
  color: var(--text-soft);
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

/* ---------- 通用文字节奏 ---------- */
.page-products .title-lg {
  margin: 12px 0 0;
  color: var(--paper);
}

.page-products .prose {
  margin-top: 18px;
}

.page-products .figure__caption {
  margin-top: 10px;
}

/* ---------- 换端：主列 + 旁注 ---------- */
.page-products__split {
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
  grid-template-columns: 1fr;
}

.page-products__aside {
  display: grid;
  gap: var(--sp-3);
  align-content: start;
}

.page-products__note {
  padding: 18px 20px;
}

.page-products__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products__steps {
  list-style: none;
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--copper);
  color: var(--film);
  border-radius: 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.page-products__step-title {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-products__step p {
  margin: 8px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 更新表 ---------- */
.page-products__banner {
  margin: 0 0 clamp(30px, 4.5vw, 52px);
}

.page-products__schedule {
  max-width: 62em;
}

.page-products__ruler {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(14px, 2vw, 22px) 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products__ruler-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products__ruler-svg .pr-base {
  stroke: var(--line-mid);
  stroke-width: 1;
}

.page-products__ruler-svg .pr-ticks line {
  stroke: var(--aqua);
  stroke-opacity: 0.45;
  stroke-width: 1;
}

.page-products__ruler-svg .pr-ticks line.pr-key {
  stroke: var(--copper-pale);
  stroke-opacity: 0.9;
  stroke-width: 2;
}

.page-products__ruler-svg .pr-progress {
  stroke: var(--copper);
  stroke-opacity: 0.85;
  stroke-width: 2;
}

.page-products__facts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  grid-template-columns: 1fr;
}

.page-products__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  background: var(--night);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-products__fact-num {
  color: var(--copper-pale);
  font-size: 20px;
  font-weight: 500;
  flex: 0 0 auto;
}

/* ---------- 完结筛选 ---------- */
.page-products__close {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-products__close-figure {
  margin: 0;
  max-width: 340px;
}

.page-products__path {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  max-width: 40em;
}

.page-products__path li {
  padding-left: 16px;
  border-left: 2px solid var(--line-copper);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products__path-key {
  display: inline-block;
  min-width: 5.2em;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

/* ---------- 集数区间 ---------- */
.page-products__ranges-layout {
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
  grid-template-columns: 1fr;
}

.page-products__ranges {
  list-style: none;
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products__range {
  display: grid;
  gap: 10px 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
  grid-template-columns: 1fr;
}

.page-products__range:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products__range-num {
  font-size: 17px;
  font-weight: 500;
  color: var(--copper-pale);
}

.page-products__range-bar {
  display: block;
  height: 8px;
  width: 100%;
  background: linear-gradient(90deg, var(--copper) 0%, var(--copper-pale) 100%);
  transform-origin: left center;
  transition: transform 260ms var(--ease-water), opacity 260ms var(--ease-water);
}

.page-products__range:nth-child(1) .page-products__range-bar { width: 22%; }
.page-products__range:nth-child(2) .page-products__range-bar { width: 46%; }
.page-products__range:nth-child(3) .page-products__range-bar { width: 70%; }
.page-products__range:nth-child(4) .page-products__range-bar { width: 100%; }

.page-products__range:hover .page-products__range-bar {
  transform: scaleX(1.04);
}

.page-products__range-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products__ranges-figure {
  margin: 0;
}

/* ---------- 旧片回访 ---------- */
.page-products__revisit {
  max-width: 60em;
}

.page-products__revisit-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-products__revisit-num {
  font-size: 15px;
  color: var(--aqua);
  letter-spacing: 0.06em;
}

.page-products__banner--low {
  margin-top: clamp(30px, 4.5vw, 52px);
  margin-bottom: 0;
}

/* ---------- 榜单 ---------- */
.page-products__guide {
  max-width: 68em;
}

.page-products__guide-cols {
  display: grid;
  gap: 0 clamp(24px, 3.4vw, 48px);
  grid-template-columns: 1fr;
}

.page-products__guide-cols .prose {
  margin-top: 16px;
}

.page-products__guide-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 场景对照 ---------- */
.page-products__scenes-head {
  max-width: 34em;
}

.page-products .filter-bar {
  margin: clamp(22px, 3vw, 32px) 0 clamp(20px, 2.6vw, 28px);
}

.page-products__scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  grid-template-columns: 1fr;
}

.page-products__scene {
  background: var(--ink);
  padding: clamp(20px, 2.4vw, 30px);
  transition: background 240ms var(--ease-water);
}

.page-products__scene[hidden] {
  display: none;
}

.page-products__scene:hover {
  background: var(--night);
}

.page-products__scene-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-products__scene p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products__scene .ghost-link {
  display: inline-block;
  margin-top: 16px;
}

/* ---------- 收尾 ---------- */
.page-products__closing {
  padding: clamp(26px, 3.6vw, 44px);
}

.page-products__closing .title-md {
  margin: 0;
  color: var(--paper);
}

.page-products__closing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

/* ---------- 图片容器细节 ---------- */
.page-products .figure__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products__facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 20px 16px;
  }

  .page-products__ranges {
    gap: 3px;
  }

  .page-products__range {
    grid-template-columns: 140px minmax(90px, 1fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 0 22px;
  }

  .page-products__range-desc {
    text-align: left;
  }

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

@media (min-width: 960px) {
  .page-products__split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products__close {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products__close-figure {
    max-width: none;
  }

  .page-products__ranges-layout {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: end;
  }

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

  .page-products__guide-cols .prose {
    margin-top: 22px;
  }
}

@media (min-width: 1080px) {
  .page-products__scenes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-products__range {
    gap: 10px;
  }

  .page-products__ranges {
    gap: 0;
  }

  .page-products__guide-actions .btn,
  .page-products__closing-actions .btn,
  .page-products__hero-actions .btn {
    flex: 1 1 190px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__range-bar,
  .page-products__scene {
    transition: none;
  }

  .page-products__range:hover .page-products__range-bar {
    transform: none;
  }
}