/* ============================================================
   栏目与下载 /catalog/  —— 页面专属样式（作用域 .page-products）
   ============================================================ */

.page-products {
  --pg-accent: var(--gold);
  --pg-card-bg: rgba(18, 63, 56, .55);
  --pg-card-line: rgba(56, 242, 200, .24);
  --pg-text-soft: rgba(244, 241, 233, .74);
  --pg-gap: clamp(16px, 3vw, 26px);
}

.page-products .section--paper {
  --pg-accent: #8C6210;
  --pg-card-bg: rgba(255, 255, 255, .7);
  --pg-card-line: rgba(27, 31, 30, .14);
  --pg-text-soft: #4C5451;
}

/* ---------- 通用章节骨架 ---------- */

.page-products .pg-sec {
  padding-block: clamp(52px, 8vw, 96px);
}

.page-products .pg-head {
  margin-bottom: clamp(28px, 4vw, 48px);
  max-width: 68ch;
}

.page-products .chapter-no {
  display: block;
  font-family: var(--mono);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--pg-accent);
}

.page-products .chapter-kicker {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pg-text-soft);
}

.page-products .chapter-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -.01em;
  font-weight: 800;
}

.page-products .section--paper .chapter-title {
  color: var(--graphite);
}

.page-products .chapter-lede {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pg-text-soft);
  max-width: 60ch;
}

/* ---------- 首屏 ---------- */

.page-products .pg-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(96px, 15vw, 152px) clamp(44px, 7vw, 78px);
}

.page-products .pg-hero__inner {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-products .pg-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--neon-soft);
}

.page-products .pg-crumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .pg-crumbs a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-products .pg-crumbs .crumbs__sep {
  color: rgba(168, 255, 240, .45);
}

.page-products .pg-crumbs .crumbs__current {
  color: var(--neon);
}

.page-products .pg-kicker {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pg-hero__title {
  margin: 0;
  font-size: clamp(30px, 6.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -.015em;
  font-weight: 900;
  color: var(--paper);
  max-width: 22ch;
}

.page-products .pg-hero__lede {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 241, 233, .78);
  max-width: 64ch;
}

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

.page-products .pg-quick a {
  display: inline-block;
  padding: 8px 13px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--neon-soft);
  text-decoration: none;
  background: rgba(56, 242, 200, .06);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pg-quick a:hover,
.page-products .pg-quick a:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-products .pg-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 1400 / 900;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

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

/* ---------- 01 栏目卡片矩阵 ---------- */

.page-products .pg-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pg-gap);
}

.page-products .pg-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--pg-card-bg);
  border: 1px solid var(--pg-card-line);
  border-radius: 2px;
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-products .pg-card:nth-child(odd) {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-products .pg-card:nth-child(even) {
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-products .pg-card:hover {
  border-color: var(--neon);
}

.page-products .pg-card__no {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--pg-accent);
}

.page-products .pg-card__title {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 800;
  color: inherit;
}

.page-products .pg-card__meta {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-products .section--paper .pg-card__meta {
  color: var(--ink-2);
}

.page-products .pg-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pg-text-soft);
}

/* ---------- 02 订阅三条路径 ---------- */

.page-products .pg-paths-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pg-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pg-path {
  padding: 18px 20px;
  background: rgba(56, 242, 200, .05);
  border-left: 2px solid var(--line);
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-products .pg-path:hover {
  border-left-color: var(--neon);
  background: rgba(56, 242, 200, .1);
}

.page-products .pg-path__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .pg-path__title {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pg-path__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 233, .72);
}

.page-products .pg-paths__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

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

/* ---------- 03 下载 ---------- */

.page-products .pg-dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pg-gap);
}

.page-products .pg-dl__col {
  padding: 24px 22px 26px;
  background: rgba(255, 255, 255, .74);
  border: 1px solid rgba(27, 31, 30, .14);
}

.page-products .pg-dl__tag {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  background: var(--ink);
  color: var(--neon);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-products .pg-dl__col h3 {
  margin: 14px 0 0;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--graphite);
}

.page-products .pg-dl__col p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #4C5451;
}

.page-products .pg-drop {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(27, 31, 30, .14);
}

.page-products .pg-drop summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
}

.page-products .pg-drop summary::-webkit-details-marker {
  display: none;
}

.page-products .pg-drop summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: #8C6210;
}

.page-products .pg-drop[open] summary::before {
  content: "–";
}

.page-products .pg-drop__list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #4C5451;
}

.page-products .pg-dl__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(27, 31, 30, .14);
}

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

/* ---------- 04 旧版通道 ---------- */

.page-products .pg-legacy {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.page-products .pg-legacy__text {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 233, .84);
}

/* ---------- 05 小屏端案例合集（横滑轨道） ---------- */

.page-products .pg-rail-wrap {
  margin-top: clamp(4px, 1.6vw, 14px);
}

.page-products .pg-rail__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 6px 2px 20px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
}

.page-products .pg-rail__track::-webkit-scrollbar {
  display: none;
}

.page-products .pg-rail__track[data-dragging] {
  cursor: grabbing;
  scroll-snap-type: none;
}

.page-products .pg-rail__track:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}

.page-products .pg-slip {
  flex: 0 0 min(80vw, 288px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  background: rgba(18, 63, 56, .72);
  border: 1px solid rgba(56, 242, 200, .22);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color .24s var(--ease);
}

.page-products .pg-slip:hover {
  border-color: var(--neon);
}

.page-products .pg-slip--lead {
  flex-basis: min(86vw, 400px);
}

.page-products .pg-slip__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-products .pg-slip__glyph {
  display: block;
  width: 34px;
  height: auto;
  color: var(--neon);
  opacity: .85;
}

.page-products .pg-slip__tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .pg-slip__title {
  margin: 4px 0 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pg-slip__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .7);
}

.page-products .pg-rail__nav {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 2px;
}

.page-products .rail__btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--neon-soft);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-products .rail__btn:hover:not(:disabled) {
  border-color: var(--neon);
  background: var(--neon);
  color: var(--ink);
}

.page-products .rail__btn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

/* ---------- 06 场馆信息 ---------- */

.page-products .pg-venue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pg-venue__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid rgba(168, 255, 240, .24);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

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

.page-products .pg-venue__h {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pg-venue__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pg-venue__list li {
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .78);
  background: rgba(11, 46, 41, .3);
  border-left: 2px solid rgba(168, 255, 240, .32);
}

.page-products .pg-venue__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .pg-venue__note {
  margin: 16px 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 233, .62);
}

/* ---------- 07 订阅与更新 ---------- */

.page-products .pg-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pg-gap);
}

.page-products .pg-flow__item {
  padding: 22px 20px 24px;
  background: rgba(255, 255, 255, .66);
  border-top: 3px solid #8C6210;
}

.page-products .pg-flow__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: #8C6210;
}

.page-products .pg-flow__title {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--graphite);
}

.page-products .pg-flow__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #4C5451;
}

.page-products .pg-tail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid rgba(27, 31, 30, .14);
}

.page-products .pg-tail__link {
  padding: 9px 14px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--ink-2);
  text-decoration: none;
  border: 1px solid rgba(27, 31, 30, .2);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pg-tail__link:hover,
.page-products .pg-tail__link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--neon);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-products .pg-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .pg-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pg-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 30px;
  }

  .page-products .pg-card:nth-child(even) {
    transform: translateY(30px);
  }

  .page-products .pg-paths-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-products .pg-dl {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, .82fr);
    align-items: stretch;
  }

  .page-products .pg-dl__media {
    aspect-ratio: 4 / 5;
  }

  .page-products .pg-venue-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  }

  .page-products .pg-slip {
    flex-basis: 300px;
  }

  .page-products .pg-slip--lead {
    flex-basis: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-card:nth-child(even) {
    transform: none;
  }

  .page-products .pg-quick a,
  .page-products .pg-tail__link,
  .page-products .rail__btn,
  .page-products .pg-path,
  .page-products .pg-card {
    transition-duration: .01ms;
  }
}