.page-products {
  --pd-gap: clamp(20px, 4vw, 56px);
  --pd-block: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  padding: 22px 0 10px;
}
.page-products .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-products .crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}
.page-products .crumbs__list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .crumbs__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: 10px 0 clamp(40px, 6vw, 72px);
}
.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -6%;
  width: min(58vw, 620px);
  height: 120%;
  background: linear-gradient(155deg, rgba(255, 74, 28, 0.16), rgba(11, 18, 32, 0) 68%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-products .pd-hero__grid {
  position: relative;
  display: grid;
  gap: var(--pd-gap);
  align-items: center;
}
.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blaze);
  margin: 0 0 14px;
}
.page-products .pd-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--rice);
}
.page-products .pd-hero__text {
  margin: 0 0 26px;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--rice-soft);
}
.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .pd-hero__figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.page-products .pd-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 数字条 ---------- */
.page-products .pd-stats {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-products .pd-stats .data-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px 22px;
  background: var(--panel);
  border: 0;
  border-radius: 0;
}
.page-products .data-card__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  letter-spacing: 0.02em;
}
.page-products .data-card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--rice);
}
.page-products .data-card__value--blaze { color: var(--blaze); }
.page-products .data-card__value--cyan { color: var(--cyan); }
.page-products .data-card__value--clay { color: var(--clay); }
.page-products .pd-stats__suffix,
.page-products .pd-band__unit {
  font-size: 0.5em;
  margin-left: 2px;
  letter-spacing: 0;
}
.page-products .pd-stats__unit {
  font-size: 12px;
  line-height: 1.6;
  color: var(--rice-dim);
}

/* ---------- 章节通用 ---------- */
.page-products .section {
  padding: var(--pd-block) 0 0;
}
.page-products .section__head {
  margin-bottom: clamp(26px, 4vw, 44px);
  max-width: 62ch;
}
.page-products .chapter-no {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 104px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--stone);
  margin-bottom: 6px;
}
.page-products .section__head h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--rice);
}
.page-products .pd-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rice-soft);
  max-width: 46ch;
}
.page-products .pd-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}
.page-products .pd-cta-inline {
  margin: 10px 0 0;
  font-size: 14px;
}

/* ---------- 四象限 ---------- */
.page-products .pd-quad {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  background: var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-products .pd-quad__cell {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--panel);
  border-top: 3px solid var(--stone);
  transition: background var(--dur) var(--ease);
}
.page-products .pd-quad__cell:hover {
  background: #182238;
}
.page-products .pd-quad__cell--blaze { border-top-color: var(--blaze); }
.page-products .pd-quad__cell--cyan { border-top-color: var(--cyan); }
.page-products .pd-quad__cell--clay { border-top-color: var(--clay); }
.page-products .pd-quad__cell--moss { border-top-color: var(--moss); }
.page-products .pd-quad__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--mist);
  margin-bottom: 14px;
}
.page-products .pd-quad__cell h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--rice);
}
.page-products .pd-quad__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rice-soft);
}
.page-products .pd-tier {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--stone);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--mist) !important;
}

/* ---------- 左图右文 / 左文右图 ---------- */
.page-products .pd-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}
.page-products .pd-split__media,
.page-products .pd-split__body {
  min-width: 0;
}
.page-products .pd-figure {
  margin: 0;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--stone);
  border-radius: var(--radius);
}
.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}
.page-products .pd-figure--wide {
  margin-top: clamp(26px, 4vw, 48px);
}
.page-products .pd-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .pd-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 变更点列表 ---------- */
.page-products .pd-changes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-products .pd-changes li {
  padding: 22px 20px;
  background: var(--panel);
  transition: box-shadow var(--dur) var(--ease);
}
.page-products .pd-changes li:hover {
  box-shadow: inset 3px 0 0 var(--blaze);
}
.page-products .pd-changes h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--rice);
}
.page-products .pd-changes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rice-soft);
}

/* ---------- 表格 ---------- */
.page-products .pd-tablewrap {
  margin-top: clamp(26px, 4vw, 44px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .pd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.7;
}
.page-products .pd-table th,
.page-products .pd-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--stone);
}
.page-products .pd-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border-bottom: 1px solid var(--rice-dim);
  white-space: nowrap;
}
.page-products .pd-table tbody th {
  font-weight: 600;
  color: var(--rice);
  white-space: nowrap;
}
.page-products .pd-table tbody td {
  color: var(--rice-soft);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
}
.page-products .pd-table--compare tbody td:last-child {
  color: var(--rice);
}
.page-products .pd-table__hero {
  color: var(--blaze) !important;
}
.page-products .pd-table--plans tbody td:nth-child(5) {
  color: var(--blaze);
  font-weight: 600;
}
.page-products .pd-table tbody tr:hover th,
.page-products .pd-table tbody tr:hover td {
  background: rgba(58, 224, 200, 0.05);
}

/* ---------- 步骤 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  background: var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
  counter-reset: pd-step;
}
.page-products .pd-steps__item {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--panel);
}
.page-products .pd-steps__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--blaze);
  margin-bottom: 12px;
}
.page-products .pd-steps__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--rice);
}
.page-products .pd-steps__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rice-soft);
}

/* ---------- 全宽色块带 ---------- */
.page-products .pd-band {
  margin-top: var(--pd-block);
  padding: clamp(40px, 6vw, 68px) 0;
  background: var(--panel);
  border-top: 1px solid var(--stone);
  border-bottom: 1px solid var(--stone);
}
.page-products .pd-band__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}
.page-products .pd-band__text h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--rice);
}
.page-products .pd-band__text p {
  margin: 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rice-soft);
}
.page-products .pd-band__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-products .pd-band__stats li {
  padding: 18px 20px;
  background: #101a2b;
}
.page-products .pd-band__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  margin-bottom: 8px;
}
.page-products .pd-band__label {
  display: block;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 结尾 ---------- */
.page-products .pd-outro {
  padding-top: clamp(48px, 7vw, 88px);
}
.page-products .pd-outro__inner {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--stone);
  border-left: 4px solid var(--blaze);
  border-radius: var(--radius);
  background: linear-gradient(110deg, rgba(255, 74, 28, 0.09), rgba(19, 28, 46, 0) 60%);
}
.page-products .pd-outro__inner h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 800;
  color: var(--rice);
}
.page-products .pd-outro__inner p {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rice-soft);
}
.page-products .pd-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-band__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
  }
  .page-products .pd-hero__figure {
    transform: translateY(16px);
  }
  .page-products .pd-quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-band__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
  .page-products .pd-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
  .page-products .pd-split--flip .pd-split__media {
    order: 2;
  }
}

@media (max-width: 639px) {
  .page-products .pd-hero::before {
    display: none;
  }
  .page-products .pd-hero__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-quad__cell,
  .page-products .pd-changes li,
  .page-products .crumbs__list a {
    transition: none;
  }
  .page-products .pd-hero__figure {
    transform: none;
  }
}