.page-products {
  --pp-acc: var(--c-lime);
  --pp-acc-soft: rgba(56, 240, 160, 0.14);
  --pp-acc-line: rgba(56, 240, 160, 0.34);
  --pp-acc-faint: rgba(56, 240, 160, 0.08);
  --pp-panel: var(--c-felt-deep);
  --pp-panel-2: var(--c-felt);
  position: relative;
}

.page-products .prod-crumb {
  padding-block: clamp(16px, 2.4vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 58px) clamp(34px, 5vw, 66px);
  isolation: isolate;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  left: -14%;
  right: -14%;
  top: 24%;
  height: 68%;
  background:
    linear-gradient(118deg, rgba(18, 48, 42, 0.92) 0%, rgba(12, 31, 27, 0.72) 48%, var(--pp-acc-faint) 100%);
  clip-path: polygon(0 22%, 100% 0, 100% 76%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
}

.page-products .prod-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 7px 16px;
  border: 1px solid var(--pp-acc-line);
  border-radius: var(--r-pill);
  color: var(--pp-acc);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-products .prod-hero__kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pp-acc);
}

.page-products .prod-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 68px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--c-mist);
  text-wrap: balance;
}

.page-products .prod-hero__accent {
  display: block;
  margin-top: 6px;
  color: var(--pp-acc);
  text-shadow: 0 0 26px var(--pp-acc-line);
}

.page-products .prod-hero__lede {
  max-width: 62ch;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .prod-hero__rail {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 4px 0 4px clamp(16px, 2vw, 22px);
  list-style: none;
  border-left: 2px solid var(--pp-acc-line);
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .prod-hero__rail-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num desc";
  column-gap: 14px;
  row-gap: 2px;
  align-items: baseline;
}

.page-products .prod-hero__rail-num {
  grid-area: num;
  align-self: start;
  padding-top: 3px;
  font-size: 12px;
  color: var(--pp-acc);
  letter-spacing: 0.06em;
}

.page-products .prod-hero__rail-name {
  grid-area: name;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--c-mist);
}

.page-products .prod-hero__rail-desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist-dim);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 42px);
}

/* ---------- 章节索引 ---------- */
.page-products .prod-index {
  padding-block: 6px clamp(10px, 1.6vw, 18px);
}

.page-products .prod-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  border-block: 1px solid var(--c-line);
}

.page-products .prod-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  color: var(--c-mist-dim);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-products .prod-index__link .mono {
  font-size: 11px;
  color: var(--c-felt-mid);
  transition: color 180ms ease;
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible,
.page-products .prod-index__link[data-active="true"] {
  color: var(--c-mist);
  border-color: var(--pp-acc);
  background: var(--pp-acc-soft);
}

.page-products .prod-index__link:hover .mono,
.page-products .prod-index__link:focus-visible .mono,
.page-products .prod-index__link[data-active="true"] .mono {
  color: var(--pp-acc);
}

/* ---------- 通用小节头 ---------- */
.page-products .section {
  padding-block: clamp(40px, 6.2vw, 82px);
}

.page-products .prod-head {
  max-width: 66ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .prod-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pp-acc);
}

.page-products .prod-sub {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--c-mist);
}

.page-products .prod-sub--spaced {
  margin-top: clamp(24px, 3vw, 34px);
}

/* ---------- 三件工具 ---------- */
.page-products .prod-tools__figure {
  margin: 0 0 clamp(26px, 3.6vw, 42px);
}

.page-products .prod-tools__grid {
  gap: clamp(14px, 2vw, 22px);
}

.page-products .prod-tool-card {
  grid-column: span 12;
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) clamp(18px, 2.4vw, 26px) clamp(46px, 5.4vw, 56px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, var(--pp-panel) 0%, rgba(12, 31, 27, 0.55) 100%);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.page-products .prod-tool-card:hover,
.page-products .prod-tool-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--pp-acc-line);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--pp-acc-line);
}

.page-products .prod-tool-card__idx {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--pp-acc);
}

.page-products .prod-tool-card__name {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 24px);
  color: var(--c-mist);
}

.page-products .prod-tool-card__who {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-acc);
}

.page-products .prod-tool-card__what {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .prod-tool-card__where {
  margin: 0;
  font-size: 13px;
  color: var(--c-mist-dim);
}

.page-products .prod-tool-card__hint {
  position: absolute;
  left: clamp(18px, 2.4vw, 26px);
  right: clamp(18px, 2.4vw, 26px);
  bottom: clamp(16px, 2vw, 22px);
  font-size: 13px;
  line-height: 1.5;
  color: var(--pp-acc);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
}

.page-products .prod-tool-card:hover .prod-tool-card__hint,
.page-products .prod-tool-card:focus-within .prod-tool-card__hint {
  opacity: 1;
  transform: none;
}

/* ---------- 窄注 ---------- */
.page-products .prod-note {
  padding-block: clamp(4px, 1vw, 10px) clamp(18px, 2.6vw, 30px);
}

.page-products .prod-note--quiet {
  padding-block: clamp(4px, 1vw, 8px) clamp(14px, 2vw, 22px);
}

.page-products .prod-note__text {
  margin: 0;
  padding: 14px 20px;
  border-left: 2px solid var(--pp-acc-line);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--pp-acc-faint);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist-dim);
}

/* ---------- 牌型速查 ---------- */
.page-products .prod-search__grid {
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-products .prod-search__copy {
  grid-column: span 12;
}

.page-products .prod-search__figure {
  grid-column: span 12;
  margin: 0;
}

.page-products .prod-flow {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-products .prod-flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding-bottom: clamp(20px, 2.6vw, 28px);
}

.page-products .prod-flow__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--pp-acc-line), transparent);
}

.page-products .prod-flow__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pp-acc-line);
  border-radius: 50%;
  background: var(--pp-panel);
  color: var(--pp-acc);
  font-size: 13px;
}

.page-products .prod-flow__title {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.9vw, 18px);
  color: var(--c-mist);
}

.page-products .prod-flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist-dim);
}

/* ---------- 记录对照 ---------- */
.page-products .prod-record__panel {
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--pp-panel) 0%, rgba(18, 48, 42, 0.6) 100%);
}

.page-products .prod-record__steps {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-record__step {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 4px;
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--c-line);
}

.page-products .prod-record__step:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prod-record__step-num {
  grid-row: span 2;
  align-self: start;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pp-acc);
}

.page-products .prod-record__step-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--c-mist);
}

.page-products .prod-record__step-text {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist-dim);
}

.page-products .prod-record__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist-dim);
}

/* ---------- 结算核对 ---------- */
.page-products .prod-settle__grid {
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-products .prod-settle__filters {
  grid-column: span 12;
}

.page-products .prod-settle__figure {
  grid-column: span 12;
  margin: 0;
}

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

.page-products .prod-chips li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .prod-chips__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist-dim);
}

.page-products .prod-fields {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .prod-fields__item {
  display: grid;
  grid-template-columns: minmax(84px, 128px) 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 13px 16px;
  background: rgba(12, 31, 27, 0.62);
}

.page-products .prod-fields__item:nth-child(even) {
  background: rgba(18, 48, 42, 0.55);
}

.page-products .prod-fields__item code {
  color: var(--pp-acc);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .prod-fields__item span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist-dim);
}

.page-products .prod-settle__hint {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-mist-dim);
}

/* ---------- 下载路径 ---------- */
.page-products .prod-download__figure {
  margin: 0 0 clamp(24px, 3.2vw, 38px);
}

.page-products .prod-steps {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 24px) clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, var(--pp-panel) 0%, rgba(12, 31, 27, 0.5) 100%);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-products .prod-steps__item:hover {
  border-color: var(--pp-acc-line);
  transform: translateY(-3px);
}

.page-products .prod-steps__num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  background: var(--pp-acc-soft);
  color: var(--pp-acc);
  font-size: 14px;
}

.page-products .prod-steps__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--c-mist);
}

.page-products .prod-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist-dim);
}

.page-products .prod-compat {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--pp-panel-2);
}

.page-products .prod-compat__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .prod-compat__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: rgba(7, 20, 18, 0.5);
}

.page-products .prod-compat__item:nth-child(even) {
  background: rgba(27, 70, 60, 0.32);
}

.page-products .prod-compat__ver {
  color: var(--pp-acc);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .prod-compat__plat {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  color: var(--c-mist);
}

.page-products .prod-compat__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist-dim);
}

.page-products .prod-compat__tail {
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist-dim);
}

/* ---------- 更新节奏 ---------- */
.page-products .prod-cadence__grid {
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-products .prod-cadence__copy {
  grid-column: span 12;
}

.page-products .prod-cadence__figure {
  grid-column: span 12;
  margin: 0;
}

.page-products .prod-beats {
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-beats__item {
  padding: clamp(16px, 2.2vw, 22px) clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--pp-acc);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(12, 31, 27, 0.6);
}

.page-products .prod-beats__freq {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-acc);
}

.page-products .prod-beats__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--c-mist);
}

.page-products .prod-beats__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist-dim);
}

.page-products .prod-cadence__link {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist-dim);
}

/* ---------- 收束 ---------- */
.page-products .prod-close {
  padding-block: clamp(34px, 5vw, 64px) clamp(46px, 6vw, 84px);
}

.page-products .prod-close__inner {
  padding: clamp(26px, 3.4vw, 46px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 18%, var(--pp-acc-soft), transparent 58%),
    linear-gradient(140deg, var(--pp-panel) 0%, rgba(18, 48, 42, 0.6) 100%);
}

.page-products .prod-close__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 32px);
  color: var(--c-mist);
}

.page-products .prod-close__text {
  max-width: 60ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist-dim);
}

.page-products .prod-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-hero__rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 28px);
    padding-left: 0;
    padding-top: clamp(14px, 2vw, 20px);
    border-left: 0;
    border-top: 2px solid var(--pp-acc-line);
  }

  .page-products .prod-hero__rail-item {
    grid-template-columns: 1fr;
    grid-template-areas:
      "num"
      "name"
      "desc";
    row-gap: 6px;
  }

  .page-products .prod-hero__rail-num {
    padding-top: 0;
  }

  .page-products .prod-compat__item {
    grid-template-columns: minmax(72px, 92px) minmax(120px, 150px) 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-tool-card {
    grid-column: span 4;
  }

  .page-products .prod-search__copy {
    grid-column: span 7;
  }

  .page-products .prod-search__figure {
    grid-column: span 5;
  }

  .page-products .prod-settle__filters {
    grid-column: span 7;
  }

  .page-products .prod-settle__figure {
    grid-column: span 5;
  }

  .page-products .prod-cadence__copy {
    grid-column: span 7;
  }

  .page-products .prod-cadence__figure {
    grid-column: span 5;
  }

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

  .page-products .prod-record__step {
    grid-template-columns: auto minmax(180px, 220px) 1fr;
    align-items: baseline;
    column-gap: 20px;
  }

  .page-products .prod-record__step-num {
    grid-row: auto;
  }

  .page-products .prod-record__step-text {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-tool-card,
  .page-products .prod-steps__item,
  .page-products .prod-tool-card__hint,
  .page-products .prod-index__link {
    transition: none;
  }

  .page-products .prod-tool-card:hover,
  .page-products .prod-tool-card:focus-within,
  .page-products .prod-steps__item:hover {
    transform: none;
  }
}