.page-products {
  --pr-rail-w: 288px;
  --pr-gap: 52px;
  display: block;
  background: var(--wl-paper);
  color: var(--wl-ink);
  font-family: var(--wl-sans);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

/* ---------- 封面 ---------- */
.page-products .pr-cover {
  position: relative;
  overflow: hidden;
  background: var(--wl-indigo);
  color: var(--wl-paper);
  padding: 36px 0 52px;
}

.page-products .pr-cover::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -90px;
  width: 340px;
  height: 340px;
  background:
    linear-gradient(135deg, transparent 44%, rgba(0, 194, 168, 0.22) 44%, rgba(0, 194, 168, 0.22) 50%, transparent 50%),
    linear-gradient(135deg, transparent 62%, rgba(0, 194, 168, 0.14) 62%, rgba(0, 194, 168, 0.14) 68%, transparent 68%);
  transform: rotate(-10deg);
  pointer-events: none;
}

.page-products .pr-cover__inner {
  position: relative;
  z-index: 1;
}

.page-products .wl-breadcrumb {
  font-family: var(--wl-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .pr-cover .wl-breadcrumb {
  color: rgba(251, 250, 247, 0.6);
}

.page-products .pr-cover .wl-breadcrumb a {
  color: rgba(251, 250, 247, 0.6);
  text-decoration: none;
}

.page-products .pr-cover .wl-breadcrumb a:hover {
  color: var(--wl-cyan);
}

.page-products .wl-breadcrumb__sep {
  margin: 0 8px;
  color: rgba(251, 250, 247, 0.35);
}

.page-products .pr-cover__kicker {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--wl-cyan);
}

.page-products .pr-cover__title {
  margin: 16px 0 18px;
  font-family: var(--wl-serif);
  font-weight: 700;
  font-size: clamp(27px, 5.4vw, 50px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  max-width: 22ch;
}

.page-products .pr-cover__lede {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(251, 250, 247, 0.82);
}

.page-products .pr-cover__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 620px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid rgba(251, 250, 247, 0.18);
}

.page-products .pr-cover__num {
  display: block;
  font-size: clamp(30px, 6vw, 50px);
  font-weight: 700;
  line-height: 1;
  color: var(--wl-cyan);
}

.page-products .pr-cover__unit {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: rgba(251, 250, 247, 0.7);
}

/* ---------- 主体双栏 ---------- */
.page-products .pr-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 64px;
}

/* ---------- 左侧固定栏 ---------- */
.page-products .pr-rail {
  display: flex;
  flex-direction: column;
  gap: 26px;
  border-left: 2px solid var(--wl-indigo-soft);
  padding-left: 18px;
}

.page-products .pr-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--wl-ink-soft);
}

.page-products .pr-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pr-filter .wl-chip {
  padding: 7px 11px;
  border: 1px solid var(--wl-rule);
  border-radius: 2px;
  background: transparent;
  color: var(--wl-ink-soft);
  font-family: var(--wl-sans);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-products .pr-filter .wl-chip:hover {
  border-color: var(--wl-cyan);
  color: var(--wl-ink);
}

.page-products .pr-filter .wl-chip.is-active {
  border-color: var(--wl-cyan);
  background: var(--wl-cyan-soft);
  color: var(--wl-cyan-deep);
  font-weight: 600;
}

.page-products .pr-toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .wl-toc__link {
  display: block;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  color: var(--wl-ink-soft);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .wl-toc__link:hover {
  color: var(--wl-ink);
  background: var(--wl-indigo-soft);
}

.page-products .wl-toc__link.is-active {
  color: var(--wl-cyan-deep);
  border-left-color: var(--wl-cyan);
  background: var(--wl-cyan-soft);
  font-weight: 600;
}

/* ---------- 章节 ---------- */
.page-products .pr-section {
  padding-bottom: 64px;
}

.page-products .pr-section + .pr-section {
  padding-top: 56px;
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products .pr-head .wl-section__num {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--wl-cyan-deep);
}

.page-products .pr-head .wl-section__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--wl-ink);
}

.page-products .pr-head .wl-tag {
  margin-left: auto;
  padding: 5px 10px;
  border-radius: 2px;
  background: var(--wl-indigo-soft);
  color: var(--wl-indigo);
  font-family: var(--wl-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .pr-lead {
  margin: 0 0 28px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

.page-products .pr-note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--wl-cyan);
  background: var(--wl-cyan-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--wl-ink);
}

.page-products .pr-note a {
  color: var(--wl-cyan-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图片 ---------- */
.page-products .wl-figure {
  margin: 0 0 30px;
}

.page-products .wl-figure__frame {
  overflow: hidden;
  border: 1px solid var(--wl-rule);
  background: var(--wl-indigo-soft);
}

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

.page-products .wl-figure__caption {
  margin-top: 10px;
  font-family: var(--wl-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--wl-ink-soft);
}

/* ---------- 行业索引 ---------- */
.page-products .pr-index {
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-row {
  border-bottom: 1px solid var(--wl-rule);
}

.page-products .pr-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  padding: 16px 14px;
  border: 0;
  background: transparent;
  font-family: var(--wl-sans);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.22s ease;
}

.page-products .pr-row__head:hover,
.page-products .pr-row__head:focus-visible {
  background: var(--wl-cyan-soft);
}

.page-products .pr-row__no {
  flex: none;
  font-size: 12px;
  color: var(--wl-ink-soft);
}

.page-products .pr-row__name {
  flex: none;
  font-size: 17px;
  font-weight: 700;
  color: var(--wl-ink);
  overflow-wrap: break-word;
}

.page-products .pr-row__month {
  flex: none;
  padding: 4px 9px;
  border-radius: 2px;
  background: var(--wl-cyan-soft);
  color: var(--wl-cyan-deep);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .pr-row__hint {
  margin-left: auto;
  flex: none;
  font-size: 12px;
  color: var(--wl-ink-soft);
}

.page-products .pr-row__hint::after {
  content: "▾";
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.26s ease;
}

.page-products .pr-row__head[aria-expanded="true"] .pr-row__hint::after {
  transform: rotate(180deg);
}

.page-products .pr-row__body {
  padding: 2px 14px 22px;
}

.page-products .pr-row__lead {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--wl-ink-soft);
}

.page-products .pr-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-scenes li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--wl-ink-soft);
}

.page-products .pr-scenes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--wl-cyan);
}

.page-products .pr-scenes strong {
  color: var(--wl-ink);
  font-weight: 600;
}

/* ---------- 最近补入 ---------- */
.page-products .pr-recent {
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-recent__item {
  display: grid;
  gap: 6px;
  padding: 18px 14px;
  border-bottom: 1px solid var(--wl-rule);
  transition: background-color 0.22s ease;
}

.page-products .pr-recent__item:hover {
  background: var(--wl-cyan-soft);
}

.page-products .pr-recent__month {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--wl-cyan-deep);
}

.page-products .pr-recent__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--wl-ink);
}

.page-products .pr-recent__text {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--wl-ink-soft);
}

/* ---------- 六步 ---------- */
.page-products .pr-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--wl-rule);
}

.page-products .pr-step__no {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--wl-cyan-deep);
}

.page-products .pr-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--wl-ink);
}

.page-products .pr-step__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

.page-products .pr-step__out {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 10px;
  border-radius: 2px;
  background: var(--wl-indigo-soft);
  color: var(--wl-indigo);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 体量组合 ---------- */
.page-products .pr-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--wl-rule);
  overflow-x: auto;
}

.page-products .wl-tab {
  flex: none;
  padding: 12px 20px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  font-family: var(--wl-sans);
  font-size: 15px;
  color: var(--wl-ink-soft);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .wl-tab:hover {
  color: var(--wl-ink);
}

.page-products .wl-tab[aria-selected="true"] {
  color: var(--wl-indigo);
  font-weight: 700;
  border-bottom-color: var(--wl-cyan);
}

.page-products .pr-panel {
  padding: 26px 0 4px;
}

.page-products .pr-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--wl-rule);
  background: var(--wl-rule);
}

.page-products .pr-plan__cell {
  padding: 22px 20px;
}

.page-products .pr-plan__cell--l1 {
  background: var(--wl-paper);
}

.page-products .pr-plan__cell--l2 {
  background: var(--wl-indigo-soft);
}

.page-products .pr-plan__cell--l3 {
  background: var(--wl-indigo);
  color: var(--wl-paper);
}

.page-products .pr-plan__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--wl-cyan-deep);
}

.page-products .pr-plan__cell--l3 .pr-plan__label {
  color: var(--wl-cyan);
}

.page-products .pr-plan__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pr-plan__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--wl-ink);
}

.page-products .pr-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--wl-cyan);
}

.page-products .pr-plan__big {
  margin: 0 0 8px;
  font-family: var(--wl-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--wl-indigo);
}

.page-products .pr-plan__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--wl-ink-soft);
}

.page-products .pr-plan__cell--l3 .pr-plan__text {
  color: rgba(251, 250, 247, 0.84);
}

/* ---------- 常见疑问 ---------- */
.page-products .pr-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-faq__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--wl-rule);
}

.page-products .pr-faq__q {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--wl-ink);
}

.page-products .pr-faq__q::before {
  content: "问";
  display: inline-block;
  margin-right: 10px;
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--wl-cyan);
  color: var(--wl-indigo);
  font-family: var(--wl-mono);
  font-size: 12px;
  vertical-align: 2px;
}

.page-products .pr-faq__a {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

/* ---------- 结尾 ---------- */
.page-products .pr-cta {
  margin-top: 8px;
  padding: 32px 0 8px;
  border-top: 1px solid var(--wl-rule);
}

.page-products .pr-figure--cta {
  margin-bottom: 26px;
}

.page-products .pr-cta__title {
  margin: 0 0 14px;
  font-family: var(--wl-serif);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--wl-ink);
}

.page-products .pr-cta__text {
  margin: 0 0 24px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

.page-products .pr-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pr-cta__actions .wl-btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-products .pr-cta__actions .wl-btn--accent {
  background: var(--wl-indigo);
  border: 1px solid var(--wl-indigo);
  color: var(--wl-paper);
}

.page-products .pr-cta__actions .wl-btn--accent:hover {
  background: var(--wl-cyan-deep);
  border-color: var(--wl-cyan-deep);
}

.page-products .pr-cta__actions .wl-btn--ghost {
  background: transparent;
  border: 1px solid var(--wl-rule);
  color: var(--wl-ink);
}

.page-products .pr-cta__actions .wl-btn--ghost:hover {
  border-color: var(--wl-cyan);
  color: var(--wl-cyan-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-cover {
    padding: 44px 0 62px;
  }

  .page-products .pr-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 26px;
  }

  .page-products .pr-row__body {
    padding-left: 40px;
  }

  .page-products .pr-recent__item {
    grid-template-columns: 128px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
    padding: 20px 16px;
  }

  .page-products .pr-recent__body {
    grid-column: 2;
  }

  .page-products .pr-step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 28px 0;
  }
}

@media (min-width: 760px) {
  .page-products .pr-plan {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pr-layout {
    grid-template-columns: var(--pr-rail-w) minmax(0, 1fr);
    gap: var(--pr-gap);
    align-items: start;
    padding-top: 60px;
    padding-bottom: 96px;
  }

  .page-products .pr-rail {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .page-products .pr-section {
    padding-bottom: 84px;
  }

  .page-products .pr-section + .pr-section {
    padding-top: 76px;
  }

  .page-products .pr-head {
    margin-bottom: 30px;
  }
}

@media (min-width: 1200px) {
  .page-products .pr-cover {
    padding: 56px 0 72px;
  }

  .page-products .pr-cover__stats {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-row__head,
  .page-products .pr-row__hint::after,
  .page-products .pr-recent__item,
  .page-products .pr-filter .wl-chip,
  .page-products .wl-toc__link,
  .page-products .wl-tab,
  .page-products .pr-cta__actions .wl-btn {
    transition: none;
  }
}