.page-products {
  --pp-gap: clamp(26px, 4vw, 60px);
  --pp-band-pad: clamp(56px, 8vw, 104px);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 滚动进度 ---------- */
.page-products .pp-scroll-rail {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 70;
  pointer-events: none;
}

.page-products .pp-scroll-bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--cyan);
  transition: width 0.1s linear;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  background: var(--ink-900);
  padding: calc(var(--header-h) + clamp(44px, 8vw, 108px)) 0 clamp(56px, 8vw, 104px);
  overflow: hidden;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(111, 140, 134, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 140, 134, 0.16) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  pointer-events: none;
}

.page-products .pp-hero-diagonal {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(116deg, rgba(0, 240, 200, 0.16) 0 30%, transparent 30.2%),
    linear-gradient(116deg, transparent 0 62%, rgba(255, 138, 61, 0.18) 62.2% 76%, transparent 76.2%);
  pointer-events: none;
}

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

.page-products .pp-crumbs {
  margin-bottom: clamp(28px, 5vw, 56px);
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .pp-crumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .pp-crumbs a:hover {
  color: var(--cyan);
}

.page-products .pp-crumbs span[aria-current] {
  color: var(--cyan);
}

.page-products .pp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: end;
}

.page-products .pp-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 8vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0.01em;
  margin: 0.28em 0 0.5em;
  color: var(--paper);
}

.page-products .pp-lead {
  max-width: 58ch;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
  color: var(--ice);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .pp-hero-rail {
  border-top: 2px solid var(--cyan);
  padding-top: 22px;
}

.page-products .pp-rail-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(111, 140, 134, 0.32);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-products .pp-rail-list a:hover,
.page-products .pp-rail-list a:focus-visible {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-products .pp-rail-note {
  margin-top: 20px;
}

/* ---------- 通用区块 ---------- */
.page-products .pp-band {
  position: relative;
  padding: var(--pp-band-pad) 0;
}

.page-products .pp-band--dark {
  background: var(--ink-800);
  color: var(--paper);
}

.page-products .pp-band--ink {
  background: var(--ink-900);
  color: var(--paper);
}

.page-products .pp-band--deep {
  background: var(--ink-800);
  color: var(--paper);
  border-top: 3px solid rgba(255, 138, 61, 0.4);
}

.page-products .pp-band--paper {
  background: var(--paper);
  color: var(--ink-900);
}

.page-products .pp-band--ice {
  background: var(--ice);
  color: var(--ink-900);
}

.page-products .pp-sec-head {
  max-width: 62ch;
}

.page-products .pp-sec-head--wide {
  max-width: 70ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pp-sec-head .section-title,
.page-products .pp-mobile-copy .section-title,
.page-products .pp-rules-body .section-title,
.page-products .pp-hl-copy .section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0.34em 0 0.6em;
}

.page-products .pp-band--dark .section-title,
.page-products .pp-band--ink .section-title {
  color: var(--paper);
}

.page-products .pp-band--paper .section-title {
  color: var(--ink-900);
}

.page-products .pp-sec-lead {
  max-width: 62ch;
  font-size: clamp(0.96rem, 1.4vw, 1.04rem);
  line-height: 1.85;
}

.page-products .pp-band--dark .pp-sec-lead,
.page-products .pp-band--ink .pp-sec-lead {
  color: var(--ice);
}

.page-products .pp-band--paper .pp-sec-lead,
.page-products .pp-band--ice .pp-sec-lead {
  color: rgba(4, 21, 19, 0.78);
}

.page-products .pp-band--paper .eyebrow,
.page-products .pp-band--ice .eyebrow {
  color: var(--rust);
}

.page-products .pp-band--paper .note,
.page-products .pp-band--ice .note {
  color: rgba(4, 21, 19, 0.62);
}

.page-products .pp-feature-list .index-num,
.page-products .pp-hero-rail .index-num {
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

/* ---------- 栏目一：日历 ---------- */
.page-products .pp-grid-cal {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-col-main {
  min-width: 0;
}

.page-products .pp-cal-media {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 2px solid rgba(0, 240, 200, 0.5);
  box-shadow: var(--shadow-brutal);
  background: var(--ink-900);
}

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

.page-products .pp-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-products .pp-feature-list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
}

.page-products .pp-feature-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(111, 140, 134, 0.36);
}

.page-products .pp-feature-list li:last-child {
  border-bottom: 1px solid rgba(111, 140, 134, 0.36);
}

.page-products .pp-feature-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pp-feature-list p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ice);
}

.page-products .pp-col-side {
  min-width: 0;
}

.page-products .pp-side-panel {
  border: 2px solid var(--cyan);
  background: rgba(0, 240, 200, 0.06);
  box-shadow: var(--shadow-cyan);
  padding: clamp(20px, 3vw, 30px);
}

.page-products .pp-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(0, 240, 200, 0.24);
}

.page-products .pp-stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-stat-num {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pp-stat-label {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-products .pp-stat--accent .pp-stat-num {
  color: var(--orange);
}

.page-products .pp-side-note {
  margin-top: 22px;
}

/* ---------- 栏目二：小屏对照数据 ---------- */
.page-products .pp-grid-mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .pp-phone {
  margin: 0;
  border: 2px solid var(--cyan);
  background: var(--ink-800);
  box-shadow: 16px 16px 0 rgba(255, 138, 61, 0.22);
  max-width: 340px;
  justify-self: start;
}

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

.page-products .pp-switch-demo {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 340px;
}

.page-products .pp-switch-demo svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-metric-grid {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 460px;
}

.page-products .pp-metric-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  border: 1px solid rgba(0, 240, 200, 0.36);
  background: rgba(0, 240, 200, 0.05);
  font-family: var(--font-display);
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-products .pp-metric-cell .mono {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pp-mobile-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ice);
}

/* ---------- 栏目三：规则说明 ---------- */
.page-products .pp-grid-rules {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-rules-rail {
  border-top: 4px solid var(--ink-900);
  padding-top: 18px;
}

.page-products .pp-rules-rail .kicker {
  color: var(--rust);
}

.page-products .pp-index-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-index-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(11, 42, 36, 0.28);
  font-size: 0.88rem;
  color: var(--ink-900);
}

.page-products .pp-index-list .mono {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--rust);
}

.page-products .pp-rules-note {
  font-size: 0.84rem;
  line-height: 1.75;
}

.page-products .pp-rules-body {
  min-width: 0;
}

.page-products .pp-rules-media {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 2px solid var(--ink-900);
  box-shadow: var(--shadow-brutal);
  background: var(--ice);
}

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

.page-products .pp-band--paper .pp-rules-media .media-caption {
  color: rgba(4, 21, 19, 0.7);
}

.page-products .pp-accordion {
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 2px solid var(--ink-900);
}

.page-products .pp-acc-item {
  border-bottom: 1px solid rgba(11, 42, 36, 0.22);
}

.page-products .pp-acc-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.05em;
  color: var(--ink-900);
  transition: color 0.18s ease;
}

.page-products .pp-acc-trigger:hover {
  color: var(--rust);
}

.page-products .pp-acc-index {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--rust);
}

.page-products .pp-acc-mark {
  justify-self: end;
  font-size: 1.1rem;
  color: var(--ink-800);
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-products .pp-acc-trigger[aria-expanded="true"] .pp-acc-mark {
  transform: rotate(45deg);
  color: var(--rust);
}

.page-products .pp-acc-panel {
  padding: 0 28px 20px 52px;
}

.page-products .pp-acc-panel p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(4, 21, 19, 0.78);
}

.page-products .pp-acc-panel[hidden] {
  display: none;
}

/* ---------- 栏目四：旧版对照数据 ---------- */
.page-products .pp-archive-media {
  margin: 0 0 clamp(34px, 5vw, 56px);
  border: 2px solid rgba(255, 138, 61, 0.42);
  box-shadow: var(--shadow-brutal);
  background: var(--ink-900);
}

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

.page-products .pp-archive-timeline {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 0 18px;
  border-top: 2px solid rgba(0, 240, 200, 0.4);
}

.page-products .pp-arc-item {
  position: relative;
  min-width: 0;
  padding-top: 22px;
}

.page-products .pp-arc-item::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .pp-arc-item--hot::before {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 138, 61, 0.2);
}

.page-products .pp-arc-trigger {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0 12px 14px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease;
}

.page-products .pp-arc-trigger:hover {
  transform: translateY(-3px);
}

.page-products .pp-arc-year {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  letter-spacing: 0.03em;
  color: var(--cyan);
}

.page-products .pp-arc-item--hot .pp-arc-year {
  color: var(--orange);
}

.page-products .pp-arc-label {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pp-arc-panel {
  padding: 0 14px 22px 0;
  border-left: 1px solid rgba(0, 240, 200, 0.24);
  padding-left: 14px;
  margin-left: 1px;
}

.page-products .pp-arc-panel p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ice);
}

.page-products .pp-arc-panel[hidden] {
  display: none;
}

/* ---------- 订阅方式 ---------- */
.page-products .pp-sub-ways {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 2px solid var(--ink-900);
}

.page-products .pp-sub-way {
  padding: clamp(22px, 3vw, 30px) 0;
  border-bottom: 1px solid rgba(11, 42, 36, 0.22);
}

.page-products .pp-sub-num {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--rust);
}

.page-products .pp-sub-way h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-products .pp-sub-way p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(4, 21, 19, 0.78);
}

.page-products .pp-scene-list {
  list-style: none;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-scene-list li {
  display: grid;
  grid-template-columns: minmax(72px, 96px) minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px dashed rgba(11, 42, 36, 0.28);
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(4, 21, 19, 0.82);
}

.page-products .pp-scene-list .mono {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-800);
  padding-top: 4px;
}

.page-products .pp-sub-help {
  margin: clamp(26px, 4vw, 38px) 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(4, 21, 19, 0.72);
}

.page-products .pp-sub-help a {
  color: var(--rust);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pp-sub-help a:hover {
  color: var(--ink-900);
}

/* ---------- 集锦 ---------- */
.page-products .pp-grid-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .pp-hl-copy .btn {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-hl-media {
  margin: 0;
  border: 2px solid rgba(0, 240, 200, 0.42);
  box-shadow: var(--shadow-brutal);
  background: var(--ink-800);
}

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

/* ---------- 后续导航 ---------- */
.page-products .pp-next {
  background: var(--ink-900);
  border-top: 1px solid rgba(111, 140, 134, 0.32);
  padding: clamp(40px, 6vw, 64px) 0;
}

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

.page-products .pp-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-next-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(111, 140, 134, 0.28);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.05em;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-products .pp-next-list a:hover,
.page-products .pp-next-list a:focus-visible {
  color: var(--cyan);
  transform: translateX(5px);
}

.page-products .pp-next-list .mono {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--steel);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .pp-scene-list li {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 24px;
  }

  .page-products .pp-archive-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.85fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-products .pp-grid-mobile {
    grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.55fr);
    gap: clamp(36px, 5vw, 80px);
  }

  .page-products .pp-phone {
    justify-self: end;
  }

  .page-products .pp-grid-highlights {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-products .pp-rules-media {
    max-width: 88%;
  }
}

@media (min-width: 980px) {
  .page-products .pp-grid-cal {
    grid-template-columns: minmax(0, 1.62fr) minmax(280px, 1fr);
    gap: clamp(36px, 5vw, 80px);
  }

  .page-products .pp-col-side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-products .pp-grid-rules {
    grid-template-columns: minmax(200px, 0.62fr) minmax(0, 2fr);
    gap: clamp(36px, 5vw, 88px);
  }

  .page-products .pp-archive-timeline {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0 16px;
  }

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

  .page-products .pp-sub-way {
    border-bottom: 0;
    border-left: 1px solid rgba(11, 42, 36, 0.22);
    padding: clamp(24px, 3vw, 34px) clamp(18px, 2vw, 30px);
  }

  .page-products .pp-sub-way:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-products .pp-sub-way:last-child {
    padding-right: 0;
  }

  .page-products .pp-scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
  }

  .page-products .pp-scene-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-products .pp-next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 1240px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(300px, 0.8fr);
  }

  .page-products .pp-rules-media {
    max-width: 76%;
  }
}