.page-products {
  --cat-gap: clamp(20px, 3.6vw, 44px);
  --cat-pad: clamp(16px, 2.4vw, 26px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow-x: clip;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0;
}

.page-products .num,
.page-products .mono,
.page-products .stat-num {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏：目录式看台 ---------- */
.page-products .cat-hero {
  position: relative;
  padding: calc(var(--header-h) + 30px) 0 clamp(34px, 5vw, 56px);
  background:
    radial-gradient(115% 85% at 90% -10%, rgba(255, 138, 31, .18) 0%, rgba(255, 138, 31, 0) 58%),
    linear-gradient(168deg, var(--panel-2) 0%, var(--ink) 62%);
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 42%;
  height: 6px;
  background: var(--accent);
  transform: skewX(-32deg);
  transform-origin: right bottom;
  opacity: .85;
}

.page-products .cat-hero .breadcrumbs {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 22px;
}

.page-products .cat-hero .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero .breadcrumbs a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-products .cat-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .cat-hero .eyebrow {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0 0 14px;
}

.page-products .cat-hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.14;
  max-width: 16ch;
  margin-bottom: 18px;
}

.page-products .cat-hero .lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 24px;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 章节索引：赛季时间轴质感 */
.page-products .cat-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 2px;
  align-self: start;
}

.page-products .cat-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  margin-left: -2px;
  border-left: 3px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-products .cat-index__link .index-num {
  color: var(--muted);
  font-size: 12px;
}

.page-products .cat-index__link:hover {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(255, 138, 31, .07);
}

.page-products .cat-index__link[aria-current="true"] {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(255, 138, 31, .09);
}

.page-products .cat-index__link[aria-current="true"] .index-num {
  color: var(--accent);
}

/* ---------- 场景流程 ---------- */
.page-products .cat-scenes {
  padding: clamp(40px, 6vw, 72px) 0 clamp(12px, 2vw, 24px);
}

.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .section-head .eyebrow {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0 0 8px;
}

.page-products .section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.25;
}

.page-products .cat-hint {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-products .flow {
  display: grid;
  gap: 14px;
}

.page-products .flow__step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  padding: 20px 20px 18px;
}

.page-products .flow__num {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 10px;
}

.page-products .flow__step h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.page-products .flow__step p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .flow__link {
  display: inline-block;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 31, .45);
  padding-bottom: 2px;
}

.page-products .flow__link:hover {
  border-bottom-color: var(--accent);
}

.page-products .flow__arrow {
  width: 2px;
  height: 30px;
  margin: 0 auto;
  background: var(--accent);
  transform: rotate(14deg);
  opacity: .8;
}

/* ---------- 目录块 ---------- */
.page-products .cat-list {
  padding: clamp(34px, 5vw, 60px) 0 clamp(30px, 5vw, 56px);
}

.page-products .cat-block {
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  margin-bottom: 16px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .cat-block__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 18px var(--cat-pad);
  cursor: pointer;
  list-style: none;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(104deg, transparent 42%, rgba(255, 138, 31, .13) 52%, transparent 62%);
  background-size: 240% 100%;
  background-position: 120% 0;
  transition: background-position .45s ease;
}

.page-products .cat-block__summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-block__summary:hover {
  background-position: -20% 0;
}

.page-products .cat-block__summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.page-products .cat-block__no {
  font-size: 12px;
  color: var(--accent);
}

.page-products .cat-block__title {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
}

.page-products .cat-block__meta {
  font-size: 13px;
  color: var(--muted);
  flex: 1 1 60%;
}

.page-products .cat-block__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  margin-left: auto;
  align-self: center;
  flex: 0 0 auto;
}

.page-products .cat-block__toggle::before,
.page-products .cat-block__toggle::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform .24s ease, opacity .24s ease;
}

.page-products .cat-block__toggle::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-products .cat-block__toggle::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-products .cat-block:not([open]) .cat-block__toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-products .cat-block[open] {
  border-left: 3px solid var(--accent);
}

.page-products .cat-block__body {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: 4px var(--cat-pad) clamp(20px, 3vw, 28px);
}

.page-products .cat-block__main {
  min-width: 0;
}

.page-products .cat-block__aside {
  min-width: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .cat-block__aside .note {
  border-left: 3px solid var(--accent);
  background: var(--panel-2);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .cat-block__aside .note p {
  margin: 0;
}

.page-products .extend {
  font-size: 14px;
}

.page-products .extend a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 31, .45);
  padding-bottom: 2px;
}

.page-products .extend a:hover {
  border-bottom-color: var(--accent);
}

/* 规格表 */
.page-products .spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 0;
}

.page-products .spec th,
.page-products .spec td {
  border-bottom: 1px solid var(--line);
  padding: 11px 12px 11px 0;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.page-products .spec th {
  width: 34%;
  color: var(--muted);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-products .spec tr:hover td,
.page-products .spec tr:hover th {
  background: rgba(255, 138, 31, .06);
  color: var(--text);
}

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

.page-products .stat-num {
  font-size: 17px;
  color: var(--accent);
}

/* 图片 */
.page-products .cat-shot {
  margin-top: 20px;
}

.page-products .media-frame {
  position: relative;
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

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

.page-products .media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--accent);
  color: var(--ink);
  font-size: 12px;
  padding: 5px 10px;
}

.page-products .cat-figure {
  margin: 0;
}

.page-products .cat-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 下载卡：可撕资料页 */
.page-products .file-grid {
  display: grid;
  gap: 14px;
}

.page-products .file-card {
  border: 1px dashed var(--line);
  background: linear-gradient(180deg, rgba(22, 50, 79, .7) 0%, rgba(16, 38, 61, .4) 100%);
  padding: 18px;
}

.page-products .file-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.page-products .file-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .file-card__list li {
  padding-left: 16px;
  position: relative;
}

.page-products .file-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

.page-products .file-card__list .num {
  color: var(--text);
}

.page-products .cat-download-note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 尾部延伸 ---------- */
.page-products .cat-next {
  padding: clamp(28px, 4vw, 52px) 0 0;
  border-top: 1px solid var(--line);
}

.page-products .cat-next__grid {
  display: grid;
  gap: 14px;
}

.page-products .cat-next__card {
  display: block;
  text-decoration: none;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  padding: 20px;
  transition: background-color .2s ease, transform .2s ease;
}

.page-products .cat-next__card:hover {
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-products .cat-next__label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 12px;
}

.page-products .cat-next__card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.page-products .cat-next__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .flow {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: stretch;
  }

  .page-products .flow__arrow {
    width: 34px;
    height: 2px;
    align-self: center;
    transform: rotate(-12deg);
  }

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

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

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-block__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-block__summary,
  .page-products .cat-next__card,
  .page-products .cat-index__link {
    transition: none;
  }

  .page-products .cat-next__card:hover {
    transform: none;
  }
}