.page-products {
  --pf-cut: 8px;
  --pf-gap: 14px;
  --pf-float: 0 18px 44px -22px rgba(0, 0, 0, .85);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding-top: 26px;
}
.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(46, 230, 200, .10), transparent 58%),
    linear-gradient(14deg, transparent 62%, rgba(242, 180, 64, .06) 62%, transparent 63%);
  pointer-events: none;
}
.page-products .pf-hero__inner {
  position: relative;
}
.page-products .pf-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 8.4vw, 92px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 15ch;
}
.page-products .pf-hero__lede {
  margin-top: 18px;
  max-width: 64ch;
}
.page-products .pf-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
}
.page-products .pf-hero__stats .stat {
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  clip-path: var(--cut-clip);
}
.page-products .pf-hero__stats .stat__num {
  color: var(--cyan);
  font-size: clamp(22px, 4.4vw, 34px);
}

/* ---------- 章节索引带 ---------- */
.page-products .pf-index {
  display: flex;
  gap: 8px;
  margin-top: 30px;
  padding: 16px 2px 6px;
  border-top: 1px solid var(--hairline);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-products .pf-index::-webkit-scrollbar { display: none; }
.page-products .pf-index .chapter-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-2);
  text-decoration: none;
  border: 1px solid var(--hairline);
  background: rgba(18, 42, 34, .55);
  clip-path: var(--cut-clip);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.page-products .pf-index .chapter-link:hover,
.page-products .pf-index .chapter-link:focus-visible,
.page-products .pf-index .chapter-link.is-active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(46, 230, 200, .09);
}

/* ---------- 通用区块头 ---------- */
.page-products .pf-head {
  max-width: 72ch;
}
.page-products .pf-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pf-head p {
  margin-top: 14px;
  color: var(--ink-2);
  line-height: 1.75;
}
.page-products .pf-p {
  margin-top: 18px;
  max-width: 74ch;
  color: var(--ink-2);
  line-height: 1.75;
}
.page-products .pf-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 200, .4);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}
.page-products .pf-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 模块地图 ---------- */
.page-products .pf-map {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  margin-top: 30px;
  padding: 16px;
  isolation: isolate;
}
.page-products .pf-map__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  clip-path: var(--cut-clip);
}
.page-products .pf-map__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.65);
}
.page-products .pf-map__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 20, 17, .7) 0%, rgba(7, 20, 17, .95) 78%);
}
.page-products .pf-map__cell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  min-height: 168px;
}
.page-products .pf-map__cell h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pf-map__cell p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 15px;
}
.page-products .pf-map__list {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.page-products .pf-map__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-3);
}
.page-products .pf-map__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}
.page-products .pf-map__cell--search {
  background:
    linear-gradient(150deg, rgba(46, 230, 200, .07), transparent 62%),
    var(--panel-raised);
}

/* ---------- 左右分栏 ---------- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-products .pf-search__specs {
  margin-top: 24px;
}
.page-products .pf-figure {
  margin: 28px 0 0;
}
.page-products .pf-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--hairline);
  clip-path: var(--cut-clip);
}
.page-products .pf-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-3);
  line-height: 1.6;
}
.page-products .pf-cond {
  padding: 22px 20px 18px;
}
.page-products .pf-cond h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--ink);
}
.page-products .pf-track {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 14px;
}
.page-products .pf-cond__note {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-3);
}

/* ---------- 伤停信息 ---------- */
.page-products .pf-band {
  margin: 0 0 34px;
}
.page-products .pf-band img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 380px;
  object-fit: cover;
  border: 1px solid var(--hairline);
  clip-path: var(--cut-clip);
}
.page-products .pf-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 28px;
}
.page-products .pf-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 15px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  clip-path: var(--cut-clip);
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out), transform .2s var(--ease-out);
}
.page-products .pf-field:hover {
  border-color: var(--cyan);
  background: var(--panel-raised);
  transform: translateY(-4px);
}
.page-products .pf-field__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-products .pf-field__val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--ink-2);
}
.page-products .pf-injuries__foot {
  max-width: 78ch;
}

/* ---------- 赛前分类栏 ---------- */
.page-products .pf-route__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  counter-reset: none;
}
.page-products .pf-route__step {
  position: relative;
  padding: 20px 18px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--hairline);
  clip-path: var(--cut-clip);
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.page-products .pf-route__step:hover {
  border-color: var(--hairline);
  border-left-color: var(--cyan);
  background: var(--panel-raised);
}
.page-products .pf-route__step h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
}
.page-products .pf-route__step p {
  margin: 8px 0 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 15px;
}

/* ---------- 旧版导航栏 ---------- */
.page-products .pf-legacy {
  position: relative;
  overflow: hidden;
}
.page-products .pf-legacy__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-products .pf-legacy__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: saturate(.6);
}
.page-products .pf-legacy__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 20, 17, .97) 26%, rgba(7, 20, 17, .74) 100%);
}
.page-products .pf-legacy__inner {
  position: relative;
  z-index: 1;
}
.page-products .pf-legacy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 30px;
}
.page-products .pf-legacy__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: rgba(23, 54, 44, .78);
  backdrop-filter: blur(2px);
}
.page-products .pf-legacy__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--ink);
}
.page-products .pf-legacy__card p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 15px;
}
.page-products .pf-legacy__link {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  text-decoration: none;
  border-top: 1px solid var(--hairline);
  transition: color .2s var(--ease-out);
}
.page-products .pf-legacy__link:hover {
  color: var(--cyan-soft);
}

/* ---------- 筛选人群维度 ---------- */
.page-products .pf-dims {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 30px;
}
.page-products .pf-dim {
  position: relative;
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  clip-path: var(--cut-clip);
  transition: transform .2s var(--ease-out), border-color .2s var(--ease-out);
}
.page-products .pf-dim:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}
.page-products .pf-dim__bar {
  display: block;
  width: 42px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}
.page-products .pf-dim h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  color: var(--ink);
}
.page-products .pf-dim p {
  margin: 8px 0 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 15px;
}

/* ---------- 大屏与性能 ---------- */
.page-products .pf-screens {
  background: var(--deep-green);
}
.page-products .pf-figure--side {
  margin-top: 0;
}
.page-products .pf-columns {
  display: grid;
  grid-template-columns: 3fr 5fr 3fr;
  gap: 6px;
  margin-top: 14px;
  height: 74px;
}
.page-products .pf-columns__col {
  display: block;
  background: linear-gradient(160deg, rgba(46, 230, 200, .22), rgba(31, 74, 61, .5));
  border-top: 2px solid var(--hairline);
}
.page-products .pf-columns__col--2 {
  background: linear-gradient(160deg, rgba(242, 180, 64, .18), rgba(31, 74, 61, .45));
  border-top-color: var(--amber);
}

/* ---------- 版本时间线 ---------- */
.page-products .pf-tl {
  display: flex;
  gap: 0;
  margin-top: 34px;
  padding-bottom: 10px;
  border-top: 1px solid var(--hairline);
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-products .pf-tl__item {
  position: relative;
  flex: 0 0 236px;
  padding: 26px 20px 28px;
  border-right: 1px solid var(--hairline);
}
.page-products .pf-tl__item::before {
  content: "";
  position: absolute;
  left: 20px;
  top: -5px;
  width: 9px;
  height: 9px;
  background: var(--deep-green);
  border: 2px solid var(--hairline);
  transform: rotate(45deg);
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.page-products .pf-tl__item:hover::before {
  border-color: var(--cyan);
  background: var(--cyan);
}
.page-products .pf-tl__item .idx {
  color: var(--amber);
}
.page-products .pf-tl__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
}
.page-products .pf-tl__item p {
  margin: 8px 0 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 14.5px;
}

/* ---------- 开始使用 ---------- */
.page-products .pf-start__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 30px;
}
.page-products .pf-start__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
}
.page-products .pf-start__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 23px;
  color: var(--ink);
}
.page-products .pf-start__card p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.7;
  font-size: 15px;
}
.page-products .pf-start__card .btn {
  align-self: flex-start;
  margin-top: 6px;
}
.page-products .rule-slash {
  margin: 44px 0 0;
}
.page-products .pf-start__next {
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pf-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pf-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-legacy__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-start__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-route__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .pf-map {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    padding: 22px;
  }
  .page-products .pf-map__cell--search {
    grid-column: span 4;
    grid-row: span 2;
  }
  .page-products .pf-map__cell--injury {
    grid-column: span 2;
  }
  .page-products .pf-map__cell--category {
    grid-column: span 2;
  }
  .page-products .pf-map__cell--crowd {
    grid-column: span 6;
    min-height: 130px;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }
  .page-products .pf-split--reverse .pf-split__main {
    order: 1;
  }
  .page-products .pf-split--reverse .pf-split__side {
    order: 2;
  }
  .page-products .pf-split__side {
    position: sticky;
    top: 88px;
  }
  .page-products .pf-fields {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-products .pf-route__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pf-dims {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-products .pf-hero {
    padding-top: 40px;
  }
  .page-products .pf-map {
    padding: 30px;
  }
  .page-products .pf-band img {
    max-height: 440px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-field,
  .page-products .pf-dim,
  .page-products .pf-map__cell {
    transition: none;
  }
  .page-products .pf-field:hover,
  .page-products .pf-dim:hover {
    transform: none;
  }
}