.page-products {
  --pp-slant: 1.8deg;
  position: relative;
  color: var(--c-text);
  background: var(--c-night);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.28;
  margin: 0 0 12px;
  letter-spacing: .01em;
  color: var(--c-text);
}

.page-products h2 {
  font-size: clamp(23px, 3.4vw, 34px);
}

.page-products h3 {
  font-size: clamp(17px, 2.2vw, 20px);
}

.page-products p {
  margin: 0 0 14px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-products a {
  color: var(--c-cyan-soft);
}

.page-products .eyebrow {
  display: block;
  margin: 0 0 10px;
}

/* ---------------- 首屏 ---------------- */

.page-products .pp-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h, 72px) + 42px) 0 60px;
  overflow: hidden;
}

.page-products .pp-hero__slice {
  position: absolute;
  top: -16%;
  right: -26%;
  width: 84%;
  height: 132%;
  z-index: 0;
  background: linear-gradient(142deg, #142C46 0%, #1B3552 46%, #12414C 100%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .92;
}

.page-products .pp-hero__gridlines {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(36, 64, 92, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 64, 92, .55) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 38%, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 72% 38%, #000 0%, transparent 70%);
  opacity: .6;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__layout {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .pp-hero h1 {
  font-size: clamp(28px, 6vw, 54px);
  line-height: 1.16;
  margin-bottom: 16px;
  max-width: 15ch;
}

.page-products .pp-hero__lede {
  font-size: var(--step-3);
  color: var(--c-muted);
  max-width: 52ch;
  margin-bottom: 24px;
}

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

.page-products .pp-board {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: rgba(18, 37, 61, .82);
  border-left: 3px solid var(--c-green);
}

.page-products .pp-count {
  display: grid;
  gap: 8px;
}

.page-products .pp-count__label {
  font-size: var(--step-1);
  font-family: var(--font-mono);
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-products .pp-count__time {
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 36px);
  font-weight: 700;
  color: var(--c-orange);
  letter-spacing: .06em;
  line-height: 1.1;
}

.page-products .pp-count__meter {
  display: block;
  height: 4px;
  border-radius: 4px;
  background: var(--c-line);
  overflow: hidden;
}

.page-products .pp-count__fill {
  display: block;
  width: 72%;
  height: 100%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-orange));
}

.page-products .pp-board__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-board__nodes li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  background: var(--c-raise);
  border-left: 2px solid var(--c-cyan);
}

.page-products .pp-board__t {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  color: var(--c-green-soft);
}

.page-products .pp-board__nodes em {
  font-style: normal;
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-board__note {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

/* ---------------- 模块总览 ---------------- */

.page-products .pp-overview .section-head {
  margin-bottom: 26px;
}

.page-products .pp-shot {
  margin: 0 0 26px;
}

.page-products .pp-shot .frame__caption {
  margin-top: 10px;
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-rail {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  margin-bottom: 26px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-rail::-webkit-scrollbar {
  height: 4px;
}

.page-products .pp-rail::-webkit-scrollbar-thumb {
  background: var(--c-line);
  border-radius: 4px;
}

.page-products .pp-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 156px;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  background: var(--c-panel);
  border-left: 2px solid var(--c-green);
}

.page-products .pp-rail__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-green);
}

.page-products .pp-rail__label {
  display: block;
  margin-top: 4px;
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-mods {
  display: grid;
  gap: 18px;
}

.page-products .pp-mod {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  transition: transform .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-products .pp-mod::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 18px solid var(--c-line);
  border-left: 18px solid transparent;
  transition: border-top-color .16s var(--ease);
}

.page-products .pp-mod:hover,
.page-products .pp-mod:focus-within {
  transform: translateY(-6px);
  border-color: var(--c-green);
  background: var(--c-raise);
}

.page-products .pp-mod:hover::after,
.page-products .pp-mod:focus-within::after {
  border-top-color: var(--c-green);
}

.page-products .pp-mod--lead {
  border-color: var(--c-green);
  background: linear-gradient(150deg, #13324A 0%, var(--c-panel) 62%);
}

.page-products .pp-mod__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-green);
  padding-top: 3px;
}

.page-products .pp-mod__title {
  margin-bottom: 8px;
}

.page-products .pp-mod__text {
  font-size: var(--step-3);
  color: var(--c-muted);
  margin-bottom: 14px;
}

.page-products .pp-mod__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------------- 订阅 ---------------- */

.page-products .pp-sub__grid {
  align-items: start;
}

.page-products .pp-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: var(--step-3);
  color: var(--c-muted);
  line-height: 1.7;
}

.page-products .pp-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  background: var(--c-green);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-products .pp-checklist strong {
  color: var(--c-text);
  font-weight: 600;
}

.page-products .pp-aside {
  padding: 22px;
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  margin-bottom: 16px;
}

.page-products .pp-aside--plain {
  background: transparent;
  border-style: dashed;
}

.page-products .pp-aside__k {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--c-cyan);
  margin-bottom: 6px;
}

.page-products .pp-aside__v {
  font-family: var(--font-mono);
  font-size: var(--step-6);
  font-weight: 700;
  color: var(--c-green);
  line-height: 1.1;
  margin-bottom: 8px;
}

.page-products .pp-aside__d {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

/* ---------------- 六个节点 ---------------- */

.page-products .pp-nodes__layout {
  display: grid;
  gap: 26px;
}

.page-products .pp-nodes__figure {
  margin: 0;
}

.page-products .pp-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-node {
  position: relative;
  padding: 18px 20px 18px 22px;
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .pp-node:hover {
  background: var(--c-raise);
  border-left-color: var(--c-green);
}

.page-products .pp-node__t {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--c-green-soft);
  margin-bottom: 6px;
}

.page-products .pp-node__h {
  font-size: var(--step-4);
  margin-bottom: 6px;
}

.page-products .pp-node__p {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-countdown {
  display: grid;
  gap: 24px;
  margin-top: 30px;
  padding: 24px;
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, #123047 0%, var(--c-panel) 70%);
  border: 1px solid var(--c-line);
}

.page-products .pp-countdown__media {
  max-width: 420px;
}

.page-products .pp-countdown__body h3 {
  font-size: clamp(19px, 2.6vw, 24px);
}

.page-products .pp-countdown__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-countdown__list li {
  font-size: var(--step-2);
  color: var(--c-muted);
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
}

.page-products .pp-countdown__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
}

.page-products .pp-countdown__list span {
  color: var(--c-text);
  font-weight: 600;
  margin-right: 6px;
}

/* ---------------- 本地导航四步 ---------------- */

.page-products .pp-nav__figure {
  margin: 0 0 24px;
}

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

.page-products .pp-step {
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: border-color .16s var(--ease);
}

.page-products .pp-step[open] {
  border-color: var(--c-green);
}

.page-products .pp-step__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-step__sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--step-4);
  color: var(--c-cyan);
  line-height: 1;
}

.page-products .pp-step[open] .pp-step__sum::after {
  content: "−";
  color: var(--c-green);
}

.page-products .pp-step__sum:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: -3px;
}

.page-products .pp-step__n {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--c-green);
}

.page-products .pp-step__t {
  font-family: var(--font-head);
  font-size: var(--step-4);
  font-weight: 600;
}

.page-products .pp-step__time {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-step__body {
  padding: 0 22px 20px;
}

.page-products .pp-step__body p {
  margin: 0;
  font-size: var(--step-3);
  color: var(--c-muted);
}

/* ---------------- 稳定版 ---------------- */

.page-products .pp-blocks {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-products .pp-block {
  padding: 20px;
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan);
}

.page-products .pp-block__n {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--c-cyan);
  margin-bottom: 8px;
}

.page-products .pp-block h3 {
  font-size: var(--step-4);
  margin-bottom: 6px;
}

.page-products .pp-block p {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

.page-products .pp-stable__note {
  padding: 20px 22px;
  border-radius: var(--radius-m);
  background: var(--c-raise);
  border-left: 3px solid var(--c-orange);
  margin-bottom: 26px;
}

.page-products .pp-stable__note p {
  margin: 0;
  font-size: var(--step-3);
  color: var(--c-muted);
}

.page-products .pp-stable__figure {
  margin: 0 0 26px;
}

.page-products .pp-versions {
  display: grid;
  gap: 14px;
  position: relative;
}

.page-products .pp-version {
  padding: 16px 20px;
  border-radius: var(--radius-s);
  background: var(--c-panel);
  border-left: 2px solid var(--c-cyan);
}

.page-products .pp-version__n {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--c-green);
  margin-bottom: 6px;
}

.page-products .pp-version__t {
  margin: 0 0 4px;
  font-weight: 600;
  font-size: var(--step-3);
}

.page-products .pp-version__d {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

/* ---------------- 适合谁 ---------------- */

.page-products .pp-aud {
  display: grid;
  gap: 16px;
}

.page-products .pp-aud__item {
  padding: 22px;
  border-radius: var(--radius-m);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-products .pp-aud__item:hover {
  transform: translateY(-6px);
  border-color: var(--c-green);
}

.page-products .pp-aud__item h3 {
  font-size: var(--step-4);
  margin: 12px 0 8px;
}

.page-products .pp-aud__item p {
  margin: 0;
  font-size: var(--step-3);
  color: var(--c-muted);
}

/* ---------------- 上手三步 ---------------- */

.page-products .pp-start__panel {
  display: grid;
  gap: 28px;
  padding: 26px;
  border-radius: var(--radius-l);
  background: linear-gradient(155deg, #13324A 0%, var(--c-panel) 68%);
  border: 1px solid var(--c-line);
}

.page-products .pp-start__intro h2 {
  font-size: clamp(22px, 3.2vw, 30px);
}

.page-products .pp-start__intro p {
  color: var(--c-muted);
}

.page-products .pp-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

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

.page-products .pp-start__steps li {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-m);
  background: rgba(10, 26, 47, .55);
  border: 1px solid var(--c-line);
}

.page-products .pp-start__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step-5);
  font-weight: 700;
  color: var(--c-green);
  line-height: 1;
}

.page-products .pp-start__steps h3 {
  font-size: var(--step-4);
  margin-bottom: 4px;
}

.page-products .pp-start__steps p {
  margin: 0;
  font-size: var(--step-2);
  color: var(--c-muted);
}

/* ---------------- 响应式 ---------------- */

@media (min-width: 720px) {
  .page-products .pp-hero {
    padding-bottom: 84px;
  }

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

  .page-products .pp-mod--lead {
    grid-column: span 2;
  }

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

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

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

  .page-products .pp-countdown {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    padding: 32px;
  }

  .page-products .pp-start__panel {
    padding: 36px;
  }
}

@media (min-width: 960px) {
  .page-products .pp-hero__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: end;
  }

  .page-products .pp-hero__actions {
    margin-top: 4px;
  }

  .page-products .pp-mods {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pp-mod {
    grid-column: span 4;
  }

  .page-products .pp-mod--lead {
    grid-column: span 7;
  }

  .page-products .pp-mod--wide {
    grid-column: span 5;
  }

  .page-products .pp-nodes__layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-nodes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pp-node {
    transform: translateY(0);
  }

  .page-products .pp-node:nth-child(even) {
    margin-top: 20px;
  }

  .page-products .pp-blocks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-versions {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pp-version {
    padding: 16px 14px;
  }

  .page-products .pp-version:nth-child(even) {
    margin-top: 22px;
  }

  .page-products .pp-start__panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
    padding: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-mod,
  .page-products .pp-aud__item,
  .page-products .pp-node,
  .page-products .pp-step {
    transition: none;
  }

  .page-products .pp-mod:hover,
  .page-products .pp-mod:focus-within,
  .page-products .pp-aud__item:hover {
    transform: none;
  }
}
</main>