.page-products {
  --pd-gap: clamp(20px, 4vw, 40px);
  --pd-ink-soft: rgba(244, 247, 251, 0.72);
  background: var(--c-navy);
  color: var(--c-white);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.9;
  overflow-x: clip;
}

.page-products .pd-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* ---------- 面包屑 ---------- */
.page-products .kb-breadcrumb {
  padding-block: 18px 4px;
}

.page-products .kb-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-note);
  color: var(--c-stone);
}

.page-products .kb-breadcrumb__item + .kb-breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-products .kb-breadcrumb__item[aria-current="page"] {
  color: var(--c-gold-a);
}

.page-products .kb-breadcrumb__link {
  color: var(--c-stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .kb-breadcrumb__link:hover,
.page-products .kb-breadcrumb__link:focus-visible {
  color: var(--c-gold-a);
  border-bottom-color: var(--c-gold-line);
}

/* ---------- 首屏框景 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(36px, 6vw, 76px);
  background:
    radial-gradient(120% 88% at 90% 2%, rgba(227, 192, 112, 0.15), transparent 60%),
    linear-gradient(180deg, var(--c-navy-deep) 0%, var(--c-navy) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 4vw, 40px);
}

.page-products .pd-hero__side {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-left: 16px;
  border-left: 2px solid var(--c-gold-line);
}

.page-products .pd-hero__ver {
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-products .pd-hero__side-line {
  flex: 0 0 auto;
  width: 42px;
  height: 1px;
  background: var(--c-gold-line);
}

.page-products .pd-hero__vnote {
  font-size: var(--fs-note);
  color: var(--c-stone);
  letter-spacing: 0.16em;
}

.page-products .pd-hero__body {
  max-width: 62ch;
}

.page-products .kb-eyebrow {
  margin: 0 0 10px;
  font-size: var(--fs-note);
  letter-spacing: 0.22em;
  color: var(--c-gold-a);
}

.page-products .pd-hero__title {
  margin: 0 0 16px;
  font-size: clamp(30px, 6.4vw, var(--fs-hero));
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-products .pd-hero__lead {
  margin: 0 0 26px;
  max-width: 36em;
  color: var(--pd-ink-soft);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-products .pd-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-stat {
  padding: 14px 16px;
  background: rgba(11, 27, 51, 0.86);
}

.page-products .pd-stat__k {
  font-size: var(--fs-note);
  color: var(--c-stone);
  letter-spacing: 0.04em;
}

.page-products .pd-stat__v {
  margin: 4px 0 0;
  font-size: var(--fs-sub);
  font-weight: 700;
  color: var(--c-white);
}

.page-products .pd-stat__v .pd-num {
  color: var(--c-gold-a);
}

/* ---------- 章节之间的窄色带 ---------- */
.page-products .pd-band {
  height: 14px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background-color: var(--c-navy-deep);
  background-image: repeating-linear-gradient(
    90deg,
    var(--line-soft) 0 1px,
    transparent 1px 28px
  );
}

/* ---------- 章节通用 ---------- */
.page-products .pd-sec {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-products .pd-sechead {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pd-sechead__num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.28em;
  color: var(--c-stone);
}

.page-products [data-section].is-active .pd-sechead__num {
  color: var(--c-gold-a);
}

.page-products .kb-section__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.4vw, var(--fs-sec));
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--c-white);
}

.page-products .pd-sechead__lead {
  margin: 0;
  max-width: 36em;
  color: var(--pd-ink-soft);
}

.page-products .kb-section--cream {
  background: var(--c-cream);
}

.page-products .kb-section--cream .kb-section__title {
  color: var(--c-ink);
}

.page-products .pd-sechead--dark .pd-sechead__num {
  color: var(--c-clay);
}

.page-products .pd-sechead--dark .pd-sechead__lead {
  color: rgba(10, 15, 24, 0.74);
}

/* ---------- 下载平台卡片 ---------- */
.page-products .pd-plat {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-plat__card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(170deg, var(--c-navy-card) 0%, rgba(12, 26, 47, 0.94) 100%);
  box-shadow: var(--shadow-card);
  outline: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-plat__card:hover,
.page-products .pd-plat__card:focus-visible {
  border-color: var(--c-gold-line);
  transform: translateY(-2px);
}

.page-products .pd-plat__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-plat__os {
  font-size: var(--fs-sub);
  font-weight: 800;
  color: var(--c-white);
}

.page-products .pd-plat__req {
  margin: 14px 0 12px;
  font-size: var(--fs-note);
  color: var(--c-stone);
}

.page-products .pd-plat__req .pd-num {
  color: var(--c-gold-a);
  font-weight: 700;
}

.page-products .pd-plat__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-plat__list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pd-plat__list dt {
  font-size: var(--fs-note);
  color: var(--c-stone);
}

.page-products .pd-plat__list dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-white);
  text-align: right;
}

.page-products .pd-plat__list dd .pd-num {
  color: var(--c-gold-a);
  font-weight: 700;
}

.page-products .pd-plat__foot {
  margin: 18px 0 0;
  font-size: var(--fs-note);
  color: var(--c-stone);
}

.page-products .pd-plat__card--desk {
  background: linear-gradient(170deg, rgba(78, 142, 122, 0.16) 0%, rgba(12, 26, 47, 0.94) 100%);
}

/* ---------- 新旧对照板 ---------- */
.page-products .pd-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(8, 21, 42, 0.68);
  overflow: hidden;
}

.page-products .pd-compare__col {
  padding: clamp(20px, 3.4vw, 30px);
}

.page-products .pd-compare__col--old {
  background: linear-gradient(180deg, rgba(178, 106, 79, 0.13) 0%, transparent 68%);
}

.page-products .pd-compare__col--new {
  background: linear-gradient(180deg, rgba(227, 192, 112, 0.14) 0%, transparent 68%);
}

.page-products .pd-compare__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.page-products .pd-compare__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 800;
  color: var(--c-white);
}

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

.page-products .pd-fact {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
}

.page-products .pd-fact__n {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold-a);
}

.page-products .pd-compare__col--old .pd-fact__n {
  color: var(--c-clay);
}

.page-products .pd-fact__t {
  font-size: 15px;
  color: var(--pd-ink-soft);
}

.page-products .pd-compare__divider {
  position: relative;
  height: 30px;
  background:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 22px),
    var(--c-navy-deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-compare__grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 4px;
  border-radius: 999px;
  background: var(--grad-gold);
}

/* ---------- 图片容器 ---------- */
.page-products .pd-shot {
  position: relative;
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--c-navy-deep);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-products .pd-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-shot .kb-media__caption {
  padding: 10px 16px;
  font-size: var(--fs-note);
  color: var(--c-stone);
  border-top: 1px solid var(--line-soft);
}

.page-products .kb-section--cream .pd-shot {
  background: #fff;
  border-color: rgba(10, 15, 24, 0.16);
  box-shadow: 0 22px 44px -34px rgba(0, 0, 0, 0.7);
}

.page-products .kb-section--cream .pd-shot .kb-media__caption {
  color: rgba(10, 15, 24, 0.56);
  border-top-color: rgba(10, 15, 24, 0.12);
}

/* ---------- 四组大卡拆解 ---------- */
.page-products .pd-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-split__media {
  margin: 0;
}

.page-products .pd-cardgrid {
  gap: 14px;
}

.page-products .pd-card {
  padding: 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(18, 41, 74, 0.9) 0%, rgba(9, 22, 43, 0.9) 100%);
}

.page-products .pd-card .kb-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-white);
}

.page-products .pd-card .kb-card__text {
  margin: 0;
  font-size: 15px;
  color: var(--pd-ink-soft);
}

/* ---------- 安装步骤 ---------- */
.page-products .pd-install {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-install__media {
  margin: 0;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 0;
}

.page-products .pd-step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 0 0 26px 0;
}

.page-products .pd-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold-line), rgba(227, 192, 112, 0.08));
}

.page-products .pd-step:last-child {
  padding-bottom: 0;
}

.page-products .pd-step:last-child::before {
  display: none;
}

.page-products .pd-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--c-gold-line);
  background: var(--c-cream);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gold-b);
}

.page-products .pd-step--done .pd-step__num {
  border-color: var(--c-jade);
  color: var(--c-jade);
}

.page-products .pd-step__title {
  margin: 4px 0 6px;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-products .pd-step__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  color: rgba(10, 15, 24, 0.74);
}

/* ---------- 适配与性能 ---------- */
.page-products .pd-fit {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-fit__panel {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(8, 21, 42, 0.72);
}

.page-products .pd-fit__h {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-white);
}

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

.page-products .pd-fit__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pd-fit__row:last-child {
  border-bottom: 0;
}

.page-products .pd-fit__k {
  font-size: 15px;
  color: var(--c-white);
}

.page-products .pd-fit__v {
  font-size: var(--fs-note);
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid;
}

.page-products .pd-fit__v--ok {
  color: var(--c-jade);
  border-color: rgba(78, 142, 122, 0.55);
}

.page-products .pd-fit__v--alt {
  color: var(--c-amber);
  border-color: rgba(217, 116, 31, 0.55);
}

.page-products .pd-perf {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-perf__item {
  padding: clamp(18px, 3vw, 24px);
  background: var(--c-navy-card);
}

.page-products .pd-perf__k {
  font-size: var(--fs-note);
  color: var(--c-stone);
  letter-spacing: 0.06em;
}

.page-products .pd-perf__v {
  margin: 8px 0 6px;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-products .pd-perf__u {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-stone);
  -webkit-text-fill-color: var(--c-stone);
}

.page-products .pd-perf__d {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--pd-ink-soft);
}

.page-products .pd-shot--matrix {
  margin-top: clamp(26px, 4vw, 40px);
}

/* ---------- 版本时间轴 ---------- */
.page-products .pd-changelog {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold-line), var(--line-soft));
}

.page-products .pd-tl {
  position: relative;
  padding-bottom: 22px;
}

.page-products .pd-tl:last-child {
  padding-bottom: 0;
}

.page-products .pd-tl__dot {
  position: absolute;
  left: -28px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--c-navy);
  background: var(--c-stone);
}

.page-products .pd-tl__dot--start {
  background: var(--c-clay);
}

.page-products .pd-tl__dot--done {
  background: var(--c-jade);
}

.page-products .pd-tl__dot--now {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(217, 116, 31, 0.18);
}

.page-products .pd-tl__card {
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.72);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-tl__card:hover {
  border-color: var(--c-gold-line);
  transform: translateY(-2px);
}

.page-products .pd-tl__card--now {
  border-color: var(--c-gold-line);
  background: linear-gradient(150deg, rgba(227, 192, 112, 0.16) 0%, rgba(18, 41, 74, 0.86) 100%);
}

.page-products .pd-tl__tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.16em;
  color: var(--c-stone);
}

.page-products .pd-tl__card--now .pd-tl__tag {
  color: var(--c-gold-a);
}

.page-products .pd-tl__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-white);
}

.page-products .pd-tl__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  color: var(--pd-ink-soft);
}

.page-products .pd-changelog__media {
  margin: 0;
}

.page-products .pd-changelog__more {
  margin: clamp(24px, 4vw, 36px) 0 0;
  font-size: 15px;
  color: var(--pd-ink-soft);
}

.page-products .pd-inline-link {
  color: var(--c-gold-a);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold-line);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pd-inline-link:hover,
.page-products .pd-inline-link:focus-visible {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

/* ---------- 收束 ---------- */
.page-products .pd-help {
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(227, 192, 112, 0.12), transparent 62%),
    var(--c-navy-deep);
}

.page-products .pd-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
}

.page-products .pd-help__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 800;
  color: var(--c-white);
}

.page-products .pd-help__body {
  margin: 0;
  max-width: 40em;
  color: var(--pd-ink-soft);
}

.page-products .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-products .pd-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .pd-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pd-hero__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding-left: 0;
    padding-top: 18px;
    border-left: 0;
    border-top: 2px solid var(--c-gold-line);
  }

  .page-products .pd-hero__side-line {
    width: 1px;
    height: 54px;
  }

  .page-products .pd-compare {
    grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1fr);
  }

  .page-products .pd-compare__divider {
    height: auto;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
    border-right: 1px solid var(--line-soft);
    background: repeating-linear-gradient(
      180deg,
      var(--line-soft) 0 1px,
      transparent 1px 22px
    ), var(--c-navy-deep);
  }

  .page-products .pd-compare__grip {
    width: 4px;
    height: 46px;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-products .pd-install {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pd-fit {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-products .pd-changelog {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .pd-shot--wide {
    max-width: 1000px;
    margin-left: auto;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-cardgrid {
    gap: 18px;
  }

  .page-products .pd-plat__card {
    min-height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-plat__card,
  .page-products .pd-tl__card,
  .page-products .pd-inline-link,
  .page-products .kb-breadcrumb__link {
    transition: none;
  }

  .page-products .pd-plat__card:hover,
  .page-products .pd-tl__card:hover {
    transform: none;
  }
}