.page-products {
  --ph-panel-bg: linear-gradient(180deg, rgba(19, 42, 74, .92), rgba(11, 29, 58, .97));
  --ph-panel-line: rgba(47, 214, 232, .22);
  --ph-panel-line-soft: rgba(143, 166, 196, .2);
  --ph-panel-pad: clamp(1.15rem, 3.4vw, 2.4rem);
  --ph-gap: clamp(1.75rem, 4.6vw, 3.6rem);
  background: var(--ink-abyss);
  color: var(--cloud);
}

/* ---------- 首屏 ---------- */
.page-products .ph-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(115% 85% at 84% -12%, rgba(47, 214, 232, .22), transparent 58%),
    radial-gradient(85% 70% at 6% 112%, rgba(92, 255, 196, .13), transparent 62%),
    linear-gradient(180deg, var(--ink-deep), var(--ink-abyss));
}

.page-products .ph-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -46% 38%;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(47, 214, 232, .16), transparent 72%);
  pointer-events: none;
}

.page-products .ph-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .ph-eyebrow {
  margin: clamp(1.25rem, 3vw, 2rem) 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .ph-hero h1 {
  margin: 0 0 1rem;
  max-width: 21ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7.2vw, 4.3rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -.012em;
  color: var(--cloud);
}

.page-products .ph-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(.95rem, 2.3vw, 1.06rem);
  line-height: 1.78;
  color: var(--steel);
}

.page-products .ph-hero-acts {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.4rem, 3.4vw, 2rem);
}

.page-products .ph-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.75rem, 4.4vw, 2.75rem) 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--ph-panel-line-soft);
  background: var(--ph-panel-line-soft);
}

.page-products .ph-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .95rem 1rem;
  background: rgba(7, 17, 31, .72);
}

.page-products .ph-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 5vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--mint);
}

.page-products .ph-fact-num em {
  font-style: normal;
  font-size: .5em;
  margin-left: .12em;
  color: var(--cyan);
}

.page-products .ph-fact-label {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--steel);
}

/* ---------- 主体两栏 ---------- */
.page-products .ph-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: clamp(2rem, 5.5vw, 3.75rem) clamp(2.5rem, 6vw, 4.5rem);
  min-width: 0;
}

.page-products .ph-rail {
  min-width: 0;
}

.page-products .ph-rail-head {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-products .ph-rail-list {
  display: flex;
  gap: .45rem;
  margin: 0;
  padding: 0 0 .4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .ph-rail-list li {
  flex: 0 0 auto;
}

.page-products .ph-rail-link {
  display: block;
  padding: .42rem .8rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  font-size: .8rem;
  white-space: nowrap;
  color: var(--steel);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-products .ph-rail-link:hover,
.page-products .ph-rail-link:focus-visible {
  color: var(--cloud);
  border-color: var(--cyan);
}

.page-products .ph-rail-link[aria-current="true"] {
  color: var(--ink-deep);
  background: var(--mint);
  border-color: var(--mint);
}

.page-products .ph-panels {
  display: grid;
  gap: var(--ph-gap);
  min-width: 0;
}

/* ---------- 面板 ---------- */
.page-products .ph-panel {
  position: relative;
  min-width: 0;
  padding: var(--ph-panel-pad);
  border: 1px solid var(--ph-panel-line);
  border-radius: var(--radius);
  background: var(--ph-panel-bg);
  scroll-margin-top: 96px;
}

.page-products .ph-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(92, 255, 196, .35), transparent);
}

.page-products .ph-panel-head {
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-products .section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  letter-spacing: .1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(47, 214, 232, .55);
}

.page-products .ph-panel h2 {
  margin: .5rem 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.008em;
  color: var(--cloud);
}

.page-products .ph-panel-lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(.9rem, 2.3vw, 1rem);
  line-height: 1.8;
  color: var(--steel);
}

.page-products .ph-takeaway {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: .8rem 1rem;
  border-left: 3px solid var(--mint);
  background: rgba(92, 255, 196, .07);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--cloud-thin);
}

.page-products .ph-figure {
  margin: clamp(1.2rem, 3.2vw, 1.8rem) 0 0;
}

.page-products .ph-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
}

/* ---------- 01 功能矩阵 ---------- */
.page-products .ph-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-matrix-item {
  padding: .9rem 1rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .5);
}

.page-products .ph-matrix-item--gold {
  border-color: rgba(242, 184, 75, .45);
}

.page-products .ph-matrix-item--mint {
  border-color: rgba(92, 255, 196, .4);
}

.page-products .ph-matrix-item p {
  margin: .55rem 0 0;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .ph-matrix-item .tag {
  display: inline-block;
}

/* ---------- 02 升降级形势 ---------- */
.page-products .ph-zones {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--ph-panel-line-soft);
  background: var(--ph-panel-line-soft);
}

.page-products .ph-zone {
  padding: 1rem 1.1rem;
  background: rgba(7, 17, 31, .78);
}

.page-products .ph-zone h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .02em;
  color: var(--cloud);
}

.page-products .ph-zone p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .ph-zone--up {
  border-left: 3px solid var(--gold);
}

.page-products .ph-zone--up h3 {
  color: var(--gold);
}

.page-products .ph-zone--play {
  border-left: 3px solid var(--amber-deep);
}

.page-products .ph-zone--down {
  border-left: 3px solid var(--steel);
}

.page-products .ph-zone--gap {
  border-left: 3px solid var(--mint);
}

.page-products .ph-zone--gap h3 {
  color: var(--mint);
  font-family: var(--font-mono);
}

/* ---------- 03 追比分 ---------- */
.page-products .ph-chase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.6rem);
  align-items: stretch;
}

.page-products .ph-scoreboard {
  padding: 1.1rem;
  border: 1px solid rgba(92, 255, 196, .35);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(92, 255, 196, .14), transparent 60%),
    rgba(7, 17, 31, .82);
}

.page-products .ph-score-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .ph-score-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .35rem;
  margin: .5rem 0 .35rem;
  font-family: var(--font-mono);
}

.page-products .ph-score-num {
  font-size: clamp(3.6rem, 17vw, 7rem);
  font-weight: 700;
  line-height: .92;
  color: var(--mint);
}

.page-products .ph-score-dash {
  font-size: clamp(1.6rem, 7vw, 2.8rem);
  color: var(--steel);
}

.page-products .ph-score-meta {
  margin: 0;
  text-align: center;
  font-size: .84rem;
  color: var(--steel);
}

.page-products .ph-score-note {
  margin: .8rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--ph-panel-line-soft);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--cloud-thin);
}

.page-products .ph-rhythm {
  display: grid;
  gap: .6rem;
  margin: 0;
  padding: 1.1rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .62);
  list-style: none;
}

.page-products .ph-rhythm-row {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr) 3rem;
  align-items: center;
  gap: .65rem;
}

.page-products .ph-rhythm-time {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--steel);
}

.page-products .ph-rhythm-bar {
  display: block;
  height: 14px;
  width: var(--h, 40%);
  border-radius: 1px;
  background: linear-gradient(90deg, rgba(47, 214, 232, .85), rgba(47, 214, 232, .35));
}

.page-products .ph-rhythm-bar--peak {
  background: linear-gradient(90deg, var(--mint), rgba(92, 255, 196, .45));
  box-shadow: 0 0 14px rgba(92, 255, 196, .35);
}

.page-products .ph-rhythm-val {
  font-family: var(--font-mono);
  font-size: .74rem;
  text-align: right;
  color: var(--steel);
}

.page-products .ph-rhythm-val--peak {
  color: var(--mint);
}

/* ---------- 04 杯赛签表 ---------- */
.page-products .ph-bracket {
  padding: clamp(.8rem, 2.6vw, 1.4rem);
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(19, 42, 74, .85), rgba(7, 17, 31, .92));
  overflow-x: auto;
}

.page-products .ph-bracket-svg {
  display: block;
  width: 100%;
  min-width: 460px;
  height: auto;
}

.page-products .ph-bracket-lines line {
  stroke: rgba(47, 214, 232, .5);
  stroke-width: 1.6;
}

.page-products .ph-bracket-nodes circle {
  fill: var(--ink-mid);
  stroke: var(--cyan);
  stroke-width: 2.4;
}

.page-products .ph-bracket-nodes .ph-bracket-final {
  fill: rgba(92, 255, 196, .18);
  stroke: var(--mint);
  stroke-width: 3;
}

.page-products .ph-bracket-labels text {
  fill: var(--steel);
  font-family: var(--font-mono);
  font-size: 14px;
  text-anchor: middle;
}

.page-products .ph-orient {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  margin-top: 1rem;
}

.page-products .ph-orient-card {
  padding: .9rem 1rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .55);
}

.page-products .ph-orient-card h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-products .ph-orient-card p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 05 规则与名单 ---------- */
.page-products .ph-rules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.6rem);
}

.page-products .ph-ruleset h3,
.page-products .ph-roster h3 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  color: var(--cloud);
}

.page-products .ph-ruleset-list,
.page-products .ph-roster-list {
  display: grid;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-ruleset-list li {
  display: grid;
  gap: .25rem;
  padding: .75rem .9rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .55);
}

.page-products .ph-ruleset-key {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .ph-ruleset-val {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .ph-ruleset-more {
  margin: .85rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .ph-ruleset-more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .ph-roster-row {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: .7rem;
  align-items: start;
  padding: .7rem .9rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .55);
}

.page-products .ph-roster-flag {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  text-align: center;
  padding: .2rem 0;
  border-radius: var(--radius);
  background: rgba(143, 166, 196, .16);
  color: var(--steel);
}

.page-products .ph-roster-text {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .ph-roster-row--same .ph-roster-flag {
  background: rgba(92, 255, 196, .16);
  color: var(--mint);
}

.page-products .ph-roster-row--diff {
  border-color: rgba(242, 184, 75, .45);
}

.page-products .ph-roster-row--diff .ph-roster-flag {
  background: rgba(242, 184, 75, .18);
  color: var(--gold);
}

.page-products .ph-roster-row--new .ph-roster-flag {
  background: rgba(47, 214, 232, .16);
  color: var(--cyan);
}

/* ---------- 06 角球复盘 ---------- */
.page-products .ph-corners {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--ph-panel-line-soft);
  background: var(--ph-panel-line-soft);
}

.page-products .ph-corner-item {
  padding: 1rem 1.1rem;
  background: rgba(7, 17, 31, .78);
}

.page-products .ph-corner-key {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .ph-corner-item p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 07 多联赛轨道 ---------- */
.page-products .ph-track {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-track-item {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: .8rem;
  align-items: center;
  padding: .8rem 1rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-left: 3px solid rgba(143, 166, 196, .4);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .55);
}

.page-products .ph-track-item--active {
  border-left-color: var(--mint);
  background: rgba(92, 255, 196, .08);
}

.page-products .ph-track-code {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .ph-track-item--active .ph-track-code {
  color: var(--mint);
}

.page-products .ph-track-desc {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 08 设备与场景 ---------- */
.page-products .ph-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
}

.page-products .ph-device {
  padding: 1rem 1.1rem;
  border: 1px solid var(--ph-panel-line-soft);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, .58);
}

.page-products .ph-device h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--cloud);
}

.page-products .ph-device p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .ph-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(1rem, 3vw, 1.6rem);
  border: 1px solid var(--ph-panel-line-soft);
  background: var(--ph-panel-line-soft);
}

.page-products .ph-scene {
  padding: .95rem 1.05rem;
  background: rgba(19, 42, 74, .7);
}

.page-products .ph-scene h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .ph-scene p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .ph-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding-top: clamp(1.2rem, 3vw, 1.8rem);
  border-top: 1px solid var(--ph-panel-line-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ph-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

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

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

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

@media (min-width: 960px) {
  .page-products .ph-chase-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .ph-rules-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

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

@media (min-width: 1020px) {
  .page-products .ph-body {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-products .ph-rail {
    position: sticky;
    top: 104px;
  }

  .page-products .ph-rail-list {
    flex-direction: column;
    gap: .3rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .ph-rail-link {
    border-color: transparent;
    border-left: 2px solid var(--ph-panel-line-soft);
    border-radius: 0;
    padding: .42rem .75rem;
  }

  .page-products .ph-rail-link[aria-current="true"] {
    background: rgba(92, 255, 196, .1);
    border-left-color: var(--mint);
    border-color: transparent;
    border-left-color: var(--mint);
    color: var(--mint);
  }

  .page-products .ph-panel {
    padding: clamp(1.75rem, 3.4vw, 2.75rem);
  }

  .page-products .ph-bracket-svg {
    min-width: 0;
  }
}

@media (min-width: 1200px) {
  .page-products .ph-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ph-rail-link {
    transition: none;
  }
}

.page-products {
  --h: 1rem;
}