.page-products {
  --pp-cut: 16px;
  --pp-rail: 92px;
  --pp-amber-soft: rgba(226, 169, 59, 0.14);
  --pp-cinnabar-soft: rgba(198, 64, 45, 0.18);
  position: relative;
  overflow-x: clip;
  color: var(--porcelain);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-products .pp-crumb-row {
  padding-top: clamp(18px, 4vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-top: clamp(22px, 5vw, 52px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  left: -8%;
  width: 80%;
  height: 126%;
  background: linear-gradient(152deg, rgba(26, 74, 59, 0.96), rgba(10, 42, 33, 0) 74%);
  clip-path: polygon(0 0, 100% 0, 70% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pp-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pp-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-products .pp-lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(16px, 0.5vw + 14px, 18px);
  line-height: 1.9;
  color: var(--porcelain);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pp-hero-chip {
  padding: clamp(20px, 3vw, 28px);
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .pp-facts > div {
  border-top: var(--line-copper);
  padding-top: 10px;
}

.page-products .pp-facts dt {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ash);
}

.page-products .pp-facts dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

/* ---------- 区块头 ---------- */
.page-products .pp-sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .pp-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-products .pp-sec-head p {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 平台卡 ---------- */
.page-products .pp-deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  align-items: start;
  gap: 16px;
}

.page-products .pp-door {
  background: var(--felt-green);
  border: var(--line-copper);
  clip-path: polygon(
    0 0,
    calc(100% - var(--pp-cut)) 0,
    100% var(--pp-cut),
    100% 100%,
    var(--pp-cut) 100%,
    0 calc(100% - var(--pp-cut))
  );
  transition: transform 0.28s var(--ease), background 0.28s var(--ease);
}

.page-products .pp-door:hover,
.page-products .pp-door[open] {
  transform: translateY(-6px);
  background: var(--stripe-green);
}

.page-products .pp-door > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "os mark"
    "meta meta";
  gap: 8px 10px;
  align-items: center;
  padding: 18px 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-door > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-door > summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.page-products .pp-door-os {
  grid-area: os;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--porcelain);
}

.page-products .pp-door-meta {
  grid-area: meta;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--ash);
}

.page-products .pp-door-mark {
  grid-area: mark;
  position: relative;
  width: 16px;
  height: 16px;
  border: var(--line-copper);
}

.page-products .pp-door-mark::before,
.page-products .pp-door-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--amber);
}

.page-products .pp-door-mark::before {
  width: 8px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.page-products .pp-door-mark::after {
  width: 1px;
  height: 8px;
  transform: translate(-50%, -50%);
  transition: transform 0.22s var(--ease);
}

.page-products .pp-door[open] .pp-door-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-products .pp-door-body {
  padding: 0 16px 20px;
  border-top: var(--line-copper);
  margin-top: 2px;
  padding-top: 16px;
}

.page-products .pp-door-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--porcelain);
}

.page-products .pp-steps {
  counter-reset: pp-step;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-steps li {
  counter-increment: pp-step;
  position: relative;
  padding-left: 26px;
  margin-bottom: 9px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pp-steps li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

/* ---------- 多端说明 ---------- */
.page-products .pp-multidev {
  display: grid;
  gap: 22px;
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: var(--line-copper);
}

.page-products .pp-phone {
  max-width: 250px;
  margin: 0;
}

.page-products .pp-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pp-multidev h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.35;
}

.page-products .pp-multidev p {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ash);
}

/* ---------- 逐手回放 ---------- */
.page-products .pp-op {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pp-op-rail {
  display: none;
}

.page-products .pp-rail-cap {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ash);
}

.page-products .pp-rail-ticks {
  width: 2px;
  flex: 1;
  min-height: 200px;
  background: repeating-linear-gradient(
    to bottom,
    var(--copper) 0 1px,
    transparent 1px 12px
  );
}

.page-products .pp-rail-cur {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--amber);
}

.page-products .pp-op-lead {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
}

.page-products .pp-shot {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .pp-speed-block {
  margin-bottom: clamp(22px, 3vw, 30px);
}

.page-products .pp-speed {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  border: var(--line-copper);
  background: var(--copper);
}

.page-products .pp-speed li {
  display: grid;
  gap: 4px;
  padding: 12px 8px;
  text-align: center;
  background: var(--ink-green);
}

.page-products .pp-speed li.is-current {
  background: var(--amber);
  color: var(--ink-green);
}

.page-products .pp-speed-v {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: inherit;
}

.page-products .pp-speed li:not(.is-current) .pp-speed-v {
  color: var(--porcelain);
}

.page-products .pp-speed-n {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ash);
}

.page-products .pp-speed li.is-current .pp-speed-n {
  color: rgba(10, 42, 33, 0.72);
}

.page-products .pp-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: clamp(24px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(26, 74, 59, 0.55), rgba(10, 42, 33, 0.1));
  border: var(--line-copper);
}

.page-products .pp-op-notes {
  display: grid;
  gap: 20px;
}

.page-products .pp-op-notes > div {
  border-left: 2px solid var(--copper);
  padding-left: 16px;
}

.page-products .pp-op-notes h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
}

.page-products .pp-op-notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 禁手 ---------- */
.page-products .pp-forbid-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pp-forbid-text p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
}

.page-products .pp-tags {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pp-tag {
  padding: 16px;
  background: var(--felt-green);
  border: var(--line-copper);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease),
    background 0.22s var(--ease);
}

.page-products .pp-tag:hover,
.page-products .pp-tag:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cinnabar);
  background: linear-gradient(180deg, var(--pp-cinnabar-soft), var(--felt-green));
  outline: none;
}

.page-products .pp-tag:focus-visible {
  box-shadow: 0 0 0 2px var(--amber);
}

.page-products .pp-tag-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-products .pp-tag-name {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
}

.page-products .pp-tag-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ash);
}

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

/* ---------- 三种视图与导出 ---------- */
.page-products .pp-view-grid {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  list-style: none;
}

.page-products .pp-view {
  padding: 22px 18px 20px;
  background: rgba(18, 59, 47, 0.72);
  border: var(--line-copper);
  border-top: 3px solid var(--amber);
}

.page-products .pp-view-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .pp-view h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.35;
}

.page-products .pp-view p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-export {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: var(--line-copper);
}

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

.page-products .pp-export-text h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
}

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

.page-products .pp-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-products .pp-sheet-tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-green);
  background: var(--gold);
}

.page-products .pp-export-text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-inline-link {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--amber);
  border-bottom: 1px solid var(--line-amber);
  padding-bottom: 2px;
  text-decoration: none;
}

.page-products .pp-inline-link:hover,
.page-products .pp-inline-link:focus-visible {
  color: var(--gold);
  outline: none;
}

/* ---------- 难度 ---------- */
.page-products .pp-scale {
  position: relative;
  height: 12px;
  margin: 0 0 26px;
  border: var(--line-copper);
  background: var(--stripe-green);
  overflow: hidden;
}

.page-products .pp-scale-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cool-cyan), var(--deep-blue));
  opacity: 0.92;
}

.page-products .pp-scale-dot {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  background: var(--ink-green);
  border: 1px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}

.page-products .pp-scale-dot--1 {
  left: 8%;
}

.page-products .pp-scale-dot--2 {
  left: 50%;
}

.page-products .pp-scale-dot--3 {
  left: 92%;
}

.page-products .pp-levels-list {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  list-style: none;
}

.page-products .pp-level {
  padding: 20px 18px;
  background: var(--felt-green);
  border: var(--line-copper);
}

.page-products .pp-level--1 {
  border-top: 4px solid var(--cool-cyan);
}

.page-products .pp-level--2 {
  border-top: 4px solid rgba(86, 183, 201, 0.65);
}

.page-products .pp-level--3 {
  border-top: 4px solid var(--deep-blue);
}

.page-products .pp-level-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cool-cyan);
}

.page-products .pp-level h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
}

.page-products .pp-level p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-levels-note {
  margin: 0;
  max-width: 46em;
  padding-left: 16px;
  border-left: 2px solid var(--copper);
  font-size: 15px;
  line-height: 1.9;
  color: var(--porcelain);
}

/* ---------- 离线与性能 ---------- */
.page-products .pp-perf-grid {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}

.page-products .pp-perf-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: var(--line-copper);
  background: var(--copper);
}

.page-products .pp-perf-stats > div {
  display: grid;
  gap: 8px;
  padding: 18px 14px;
  background: var(--ink-green);
}

.page-products .pp-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-products .pp-stat-cap {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ash);
}

.page-products .pp-perf-list {
  margin-top: 22px;
}

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

/* ---------- 结尾 ---------- */
.page-products .pp-next {
  padding-top: clamp(30px, 5vw, 52px);
}

.page-products .pp-next-grid {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--felt-green);
  border: var(--line-copper);
  border-left: 4px solid var(--amber);
}

.page-products .pp-next-grid h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 900;
  line-height: 1.3;
}

.page-products .pp-next-grid p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ash);
}

.page-products .pp-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-speed {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-products .pp-view-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-products .pp-multidev {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pp-op {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
  }

  .page-products .pp-op-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    position: sticky;
    top: 118px;
    align-self: start;
    padding: 16px 0;
    border-left: var(--line-copper);
  }

  .page-products .pp-forbid-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .pp-export {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pp-perf-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .pp-next-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }

  .page-products .pp-next-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-hero::before {
    width: 72%;
  }
}