.page-products {
  background: var(--soil);
  color: var(--ink);
}

.page-products p {
  margin: 0 0 1em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-sans);
  color: var(--ink);
  margin: 0;
}

.page-products h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products h2 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 4.6vw, 2.25rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products h3 {
  font-size: 1.0625rem;
  line-height: 1.4;
  font-weight: 800;
}

.page-products a {
  color: var(--cobalt);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 71, 214, 0.35);
}

.page-products a:hover {
  border-bottom-color: var(--cobalt);
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  padding: 20px 0 0;
}

.page-products .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.page-products .crumbs__list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-products .crumbs__list li + li::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background: var(--loam);
}

.page-products .crumbs__list a {
  color: var(--cobalt);
  border-bottom: 0;
}

.page-products .crumbs__list [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 通用小件 ---------- */
.page-products .pd-eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--clay);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--loam);
}

.page-products .pd-eyebrow--light {
  color: var(--cyan);
  border-bottom-color: rgba(245, 241, 232, 0.22);
}

.page-products .pd-head {
  max-width: 44em;
  margin: 0 0 32px;
}

.page-products .pd-head__lead {
  color: var(--grey);
  max-width: 38em;
}

.page-products .pd-sec {
  padding: 52px 0;
}

.page-products figure {
  margin: 0;
}

.page-products .pd-figure {
  margin: 0 0 28px;
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 10px;
}

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

.page-products .pd-figure figcaption {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--clay);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 首屏框景 ---------- */
.page-products .pd-hero {
  padding: 24px 0 0;
}

.page-products .pd-hero__frame {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 30px 18px 28px;
}

.page-products .pd-hero__frame::before,
.page-products .pd-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.page-products .pd-hero__frame::before {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--orange);
  border-left: 3px solid var(--orange);
}

.page-products .pd-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 3px solid var(--orange);
  border-bottom: 3px solid var(--orange);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 30px;
}

.page-products .pd-hero__text {
  max-width: 38em;
  font-size: 1.0625rem;
  color: #2b323c;
}

.page-products .pd-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pd-hero__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .pd-fact {
  background: var(--soil);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pd-fact__n {
  font-size: 1.5rem;
  line-height: 1.1;
  font-weight: 700;
  color: var(--cobalt);
}

.page-products .pd-fact__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

/* ---------- 四步路径 ---------- */
.page-products .pd-steps {
  background: var(--clay);
}

.page-products .pd-steps__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .pd-step {
  background: var(--soil);
  padding: 22px 20px;
  position: relative;
}

.page-products .pd-step__no {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--white);
  background: var(--cobalt);
  padding: 4px 8px;
}

.page-products .pd-step h3 {
  margin-bottom: 8px;
}

.page-products .pd-step p {
  font-size: 0.9375rem;
  color: var(--grey);
  margin-bottom: 0.6em;
}

.page-products .pd-step__pin {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--loam);
  border-top: 1px solid var(--clay);
  padding-top: 10px;
}

/* ---------- 分段筛选控件 ---------- */
.page-products .pd-seg {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 24px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.page-products .pd-seg .filter {
  appearance: none;
  border: 0;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  padding: 13px 18px;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pd-seg .filter:last-child {
  border-right: 1px solid var(--ink);
}

.page-products .pd-seg .filter:hover {
  background: var(--cobalt-soft);
}

.page-products .pd-seg .filter[aria-pressed="true"] {
  background: var(--cobalt);
  color: var(--white);
}

.page-products .pd-seg--status {
  margin-bottom: 18px;
}

.page-products .pd-seg--status .filter[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}

/* ---------- 平台卡片 ---------- */
.page-products .pd-plats {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .pd-plat {
  background: var(--white);
  padding: 22px 20px;
}

.page-products .pd-plat__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pd-plat__head h3 {
  margin: 0;
  font-size: 1.125rem;
}

.page-products .pd-plat p {
  font-size: 0.9375rem;
  color: var(--grey);
}

.page-products .pd-plat__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--clay);
  font-size: 0.8125rem;
  color: var(--loam);
}

.page-products .pd-plat__meta .mono {
  margin-right: 0.5em;
  color: var(--cobalt);
}

/* ---------- 注册与设备 ---------- */
.page-products .pd-reg__panel {
  background: var(--ink);
  padding: 32px 20px;
}

.page-products .pd-reg__grid {
  display: grid;
  gap: 30px;
}

.page-products .pd-reg__panel h2 {
  color: var(--soil);
}

.page-products .pd-reg__panel p {
  color: rgba(245, 241, 232, 0.78);
}

.page-products .pd-reg__panel a {
  color: var(--cyan);
  border-bottom-color: rgba(22, 208, 196, 0.4);
}

.page-products .pd-bullets {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .pd-bullets li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.86);
}

.page-products .pd-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 12px;
  height: 3px;
  background: var(--orange);
}

.page-products .pd-reg__link {
  margin: 0;
  font-size: 0.9375rem;
}

.page-products .pd-reg__figure {
  border: 1px solid rgba(245, 241, 232, 0.18);
  padding: 8px;
  background: rgba(245, 241, 232, 0.04);
}

/* ---------- 测试版 ---------- */
.page-products .pd-beta {
  background: var(--white);
}

.page-products .pd-beta__bar {
  display: flex;
  height: 56px;
  margin: 0 0 20px;
  border: 1px solid var(--ink);
}

.page-products .pd-beta__seg {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
}

.page-products .pd-beta__seg--stable {
  background: var(--cobalt);
  color: var(--white);
}

.page-products .pd-beta__seg--beta {
  background: var(--orange);
  color: var(--white);
}

.page-products .pd-beta__states {
  display: grid;
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .pd-beta__card {
  background: var(--soil);
  padding: 22px 20px;
  border-left: 4px solid var(--cobalt);
}

.page-products .pd-beta__card--beta {
  border-left-color: var(--orange);
}

.page-products .pd-beta__card h3 {
  margin-bottom: 8px;
}

.page-products .pd-beta__card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--grey);
}

/* ---------- 资料分类 ---------- */
.page-products .pd-catgrid {
  display: grid;
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .pd-cat {
  background: var(--white);
  padding: 22px 18px 18px;
}

.page-products .pd-cat--hot {
  background: var(--cobalt-soft);
}

.page-products .pd-cat__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pd-cat__head h3 {
  margin: 0;
  font-size: 1rem;
}

.page-products .pd-cat__badge {
  flex: none;
  font-size: 0.75rem;
  padding: 3px 7px;
  background: var(--ink);
  color: var(--white);
}

.page-products .pd-cat--hot .pd-cat__badge {
  background: var(--cobalt);
}

.page-products .pd-cat p {
  margin: 0 0 12px;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--grey);
}

.page-products .pd-cat__freq {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--clay);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--loam);
}

/* ---------- 版本迭代 ---------- */
.page-products .pd-version {
  background: var(--clay);
}

.page-products .pd-version__grid {
  display: grid;
  gap: 26px;
  margin-bottom: 32px;
}

.page-products .pd-version__stamp {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 16px;
  border: 1px solid var(--ink);
  background: var(--soil);
}

.page-products .pd-version__num {
  font-size: clamp(2.6rem, 9vw, 3.4rem);
  line-height: 1;
  font-weight: 700;
  color: var(--cobalt);
}

.page-products .pd-version__cap {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--loam);
}

.page-products .pd-version__body p {
  max-width: 38em;
  color: var(--grey);
}

.page-products .pd-ticks {
  display: grid;
  gap: 10px;
  margin: 20px 0 16px;
  padding: 0;
  list-style: none;
}

.page-products .pd-ticks li {
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--grey);
}

.page-products .pd-ticks .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-version__more {
  margin: 0;
  font-size: 0.9375rem;
}

.page-products .pd-figure--strip {
  margin-bottom: 0;
}

/* ---------- 尾部指向 ---------- */
.page-products .pd-tail {
  padding: 46px 0 72px;
}

.page-products .pd-tail__inner {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}

.page-products .pd-tail__inner p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--grey);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-hero__frame {
    padding: 40px 32px 36px;
  }

  .page-products .pd-reg__panel {
    padding: 44px 32px;
  }

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

  .page-products .pd-ticks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--ink);
    border: 1px solid var(--ink);
  }

  .page-products .pd-ticks li {
    border: 0;
    background: var(--soil);
  }
}

@media (min-width: 768px) {
  .page-products .pd-sec {
    padding: 72px 0;
  }

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

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

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

  .page-products .pd-tail__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 56px;
    align-items: end;
  }

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

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

  .page-products .pd-reg__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    gap: 52px;
    align-items: center;
  }

  .page-products .pd-version__grid {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-catgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pd-sec {
    padding: 84px 0;
  }

  .page-products .pd-hero {
    padding: 32px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-seg .filter {
    transition: none;
  }
}