.page-products {
  --pd-card-pad: clamp(18px, 2.4vw, 26px);
  --pd-sec-space: clamp(56px, 8vw, 104px);
  background: var(--yb-paper);
  color: var(--yb-ink);
}

.page-products .pd-crumb-wrap {
  border-bottom: 1px solid var(--yb-line);
}

.page-products .pd-crumb-wrap .yb-container {
  padding-block: 12px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  border-bottom: 1px solid var(--yb-line);
  background: linear-gradient(180deg, #ffffff 0%, var(--yb-paper) 100%);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background-image: repeating-linear-gradient(90deg, var(--yb-line) 0 1px, transparent 1px 14px);
  opacity: .8;
  pointer-events: none;
}

.page-products .pd-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-block: clamp(40px, 6vw, 76px) clamp(44px, 7vw, 88px);
}

.page-products .pd-hero__num {
  margin: 0;
  font-family: var(--yb-font-mono);
  font-weight: 700;
  font-size: clamp(72px, 16vw, 168px);
  line-height: .82;
  letter-spacing: -0.02em;
  color: var(--yb-blue);
  opacity: .16;
}

.page-products .pd-hero h1 {
  margin: 4px 0 18px;
  font-family: var(--yb-font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.012em;
  max-width: 15em;
}

.page-products .pd-hero .yb-lead {
  max-width: 40em;
  color: var(--yb-graphite);
}

.page-products .pd-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--yb-line);
}

.page-products .pd-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--yb-font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-graphite);
}

.page-products .pd-fact b {
  font-family: var(--yb-font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--yb-blue-deep);
}

/* 检索框示意 */
.page-products .pd-search {
  position: relative;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--yb-glass);
  border: 1px solid var(--yb-line);
  box-shadow: 0 18px 40px -32px rgba(11, 58, 184, .55);
}

.page-products .pd-search::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--yb-blue) 0 1px, transparent 1px 12px);
  opacity: .45;
}

.page-products .pd-search__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  background: #fff;
  border: 1.5px solid var(--yb-blue);
}

.page-products .pd-search__icon {
  flex: none;
  color: var(--yb-blue);
}

.page-products .pd-search__query {
  font-family: var(--yb-font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--yb-ink);
}

.page-products .pd-search__caret {
  width: 2px;
  height: 18px;
  background: var(--yb-signal-deep);
  animation: pd-blink 1.1s steps(1, end) infinite;
}

@keyframes pd-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.page-products .pd-search__hint {
  margin: 10px 0 12px;
  font-family: var(--yb-font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yb-graphite);
}

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

.page-products .pd-search__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no tag"
    "name name";
  gap: 6px 10px;
  padding: 11px 12px;
  background: #fff;
}

.page-products .pd-search__no {
  grid-area: no;
  font-family: var(--yb-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--yb-blue-deep);
}

.page-products .pd-search__name {
  grid-area: name;
  font-size: 14px;
  line-height: 1.5;
  color: var(--yb-ink);
}

.page-products .pd-search__tag {
  grid-area: tag;
  justify-self: start;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yb-signal-deep);
  background: var(--yb-sand);
  padding: 2px 7px;
}

/* ---------- 主体双栏 ---------- */
.page-products .pd-body {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding-block: clamp(40px, 6vw, 72px);
}

.page-products .pd-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  position: static;
}

.page-products .pd-toc__link {
  display: inline-block;
  padding: 8px 11px;
  border: 1px solid var(--yb-line);
  background: #fff;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
  text-decoration: none;
  transition: color 160ms var(--yb-ease), border-color 160ms var(--yb-ease), background-color 160ms var(--yb-ease);
}

.page-products .pd-toc__link:hover,
.page-products .pd-toc__link:focus-visible {
  color: var(--yb-blue);
  border-color: var(--yb-blue);
}

.page-products .pd-toc__link[aria-current="true"] {
  color: var(--yb-blue-deep);
  border-color: var(--yb-blue);
  background: var(--yb-glass);
}

.page-products .pd-sec {
  scroll-margin-top: calc(var(--yb-header-h) + 24px);
  margin-bottom: var(--pd-sec-space);
}

.page-products .pd-sec:last-child {
  margin-bottom: 0;
}

.page-products .pd-sec__head {
  border-top: 2px solid var(--yb-ink);
  padding-top: 14px;
  margin-bottom: 26px;
}

.page-products .pd-sec__head .yb-h2 {
  margin: 8px 0 10px;
  font-family: var(--yb-font-sans);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.28;
  letter-spacing: 0.012em;
}

.page-products .pd-sec__intro {
  margin: 0;
  max-width: 44em;
  font-family: var(--yb-font-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--yb-graphite);
}

/* ---------- 图片 ---------- */
.page-products .pd-fig {
  margin: 0 0 26px;
  border: 1px solid var(--yb-line);
  background: #fff;
  padding: 10px;
}

.page-products .pd-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--yb-glass);
}

.page-products .pd-fig--wide img { aspect-ratio: 12 / 7; }
.page-products .pd-fig--tall img { aspect-ratio: 3 / 2; }
.page-products .pd-fig--banner img { aspect-ratio: 12 / 5; }

.page-products .pd-fig figcaption {
  margin-top: 9px;
  font-family: var(--yb-font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--yb-graphite);
}

.page-products .pd-fig--banner {
  margin-top: 30px;
  margin-bottom: 0;
}

/* ---------- 三条路径 ---------- */
.page-products .pd-paths {
  display: grid;
  gap: 16px;
}

.page-products .pd-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pd-card-pad);
  background: #fff;
  border: 1px solid var(--yb-line);
  transition: transform 160ms var(--yb-ease), border-color 160ms var(--yb-ease);
}

.page-products .pd-path:hover {
  transform: translateY(-2px);
  border-color: var(--yb-blue);
}

.page-products .pd-path__no {
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yb-signal-deep);
}

.page-products .pd-path h3 {
  margin: 0;
  font-family: var(--yb-font-sans);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
}

.page-products .pd-path__fit {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yb-graphite);
}

.page-products .pd-path__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pd-path__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-graphite);
}

.page-products .pd-path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--yb-signal);
}

.page-products .pd-path--feature {
  background: var(--yb-blue-deep);
  border-color: var(--yb-blue-deep);
  color: #fff;
}

.page-products .pd-path--feature:hover {
  border-color: var(--yb-signal);
}

.page-products .pd-path--feature .pd-path__no {
  color: var(--yb-signal);
}

.page-products .pd-path--feature .pd-path__fit,
.page-products .pd-path--feature .pd-path__list li {
  color: rgba(255, 255, 255, .86);
}

.page-products .pd-path--feature .pd-path__list li::before {
  background: var(--yb-signal);
}

/* ---------- 分栏 ---------- */
.page-products .pd-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pd-split .pd-fig {
  margin-bottom: 0;
}

/* ---------- 步骤流 ---------- */
.page-products .pd-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
  font-family: var(--yb-font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
}

.page-products .pd-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-products .pd-step__dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--yb-signal-deep);
  background: transparent;
}

.page-products .pd-step__dot--solid {
  background: var(--yb-signal);
  border-color: var(--yb-signal-deep);
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 24px;
}

.page-products .pd-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--yb-line), var(--yb-signal));
}

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

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

.page-products .pd-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 34px;
  background: var(--yb-glass);
  border: 1px solid var(--yb-line);
  font-family: var(--yb-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--yb-blue-deep);
}

.page-products .pd-step__body h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 6px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
}

.page-products .pd-step__body p {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

.page-products .pd-steps--compact .pd-step {
  padding-bottom: 20px;
}

/* ---------- 提示块 ---------- */
.page-products .pd-note {
  margin-top: 30px;
  padding: var(--pd-card-pad);
  background: var(--yb-glass);
  border-left: 3px solid var(--yb-blue);
}

.page-products .pd-note h3 {
  margin: 0 0 8px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 16px;
}

.page-products .pd-note p {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

/* ---------- 入口恢复 ---------- */
.page-products .pd-restore__tip {
  margin: 22px 0 0;
  padding: 14px 16px;
  background: #fff;
  border: 1px dashed var(--yb-line);
  font-family: var(--yb-font-sans);
  font-size: 13px;
  line-height: 1.75;
  color: var(--yb-graphite);
}

/* ---------- 版本记录 ---------- */
.page-products .pd-version {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pd-version .pd-fig {
  margin-bottom: 0;
}

.page-products .pd-version__title {
  margin: 0 0 12px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-products .pd-version__title:not(:first-child) {
  margin-top: 26px;
}

.page-products .pd-version__cases {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .pd-version__cases li {
  position: relative;
  padding-left: 18px;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.75;
  color: var(--yb-graphite);
}

.page-products .pd-version__cases li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--yb-blue);
}

.page-products .pd-changes {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-products .pd-change {
  padding: 14px 16px;
  background: #fff;
}

.page-products .pd-change dt {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 15px;
  color: var(--yb-ink);
}

.page-products .pd-change dd {
  margin: 6px 0 0;
  font-family: var(--yb-font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--yb-graphite);
}

.page-products .pd-version__more {
  margin: 20px 0 0;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

.page-products .pd-version__more a,
.page-products .pd-combo a,
.page-products .pd-combos__foot a {
  color: var(--yb-blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-version__more a:hover,
.page-products .pd-combo a:hover,
.page-products .pd-combos__foot a:hover {
  color: var(--yb-blue);
}

/* ---------- 暖沙收口 ---------- */
.page-products .pd-combos {
  background: var(--yb-sand);
  border-top: 1px solid var(--yb-line);
  border-bottom: 1px solid var(--yb-line);
  padding-block: clamp(48px, 7vw, 88px);
}

.page-products .pd-combo-grid {
  display: grid;
  gap: 16px;
}

.page-products .pd-combo {
  padding: var(--pd-card-pad);
  background: #fff;
  border: 1px solid rgba(16, 24, 40, .08);
  transition: transform 160ms var(--yb-ease), border-color 160ms var(--yb-ease);
}

.page-products .pd-combo:hover {
  transform: translateY(-2px);
  border-color: var(--yb-blue);
}

.page-products .pd-combo__freq {
  margin: 0 0 8px;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yb-signal-deep);
}

.page-products .pd-combo h3 {
  margin: 0 0 10px;
  font-family: var(--yb-font-sans);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
}

.page-products .pd-combo p:last-child {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

.page-products .pd-next {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-products .pd-next__card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px 16px;
  padding: var(--pd-card-pad);
  background: var(--yb-blue-deep);
  color: #fff;
  text-decoration: none;
  border: 1px solid var(--yb-blue-deep);
  transition: background-color 160ms var(--yb-ease), border-color 160ms var(--yb-ease);
}

.page-products .pd-next__card--alt {
  background: var(--yb-ink);
  border-color: var(--yb-ink);
}

.page-products .pd-next__card:hover,
.page-products .pd-next__card:focus-visible {
  background: var(--yb-blue);
  border-color: var(--yb-blue);
}

.page-products .pd-next__label {
  grid-column: 1;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yb-signal);
}

.page-products .pd-next__title {
  grid-column: 1;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
}

.page-products .pd-next__arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-family: var(--yb-font-mono);
  font-size: 22px;
  color: var(--yb-signal);
}

.page-products .pd-combos__foot {
  margin: 26px 0 0;
  font-family: var(--yb-font-sans);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--yb-graphite);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-path__list { gap: 9px; }
  .page-products .pd-combo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pd-next { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-products .pd-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
  }

  .page-products .pd-paths {
    grid-template-columns: 1fr 1.32fr 1fr;
    align-items: stretch;
  }

  .page-products .pd-path--feature {
    transform: translateY(-10px);
  }

  .page-products .pd-path--feature:hover {
    transform: translateY(-12px);
  }

  .page-products .pd-split {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-products .pd-split--reverse {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-products .pd-version {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

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

  .page-products .pd-combo-grid .pd-combo:nth-child(2) {
    transform: translateY(-12px);
  }

  .page-products .pd-fig--banner {
    margin-top: 40px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-products .pd-toc {
    position: sticky;
    top: calc(var(--yb-header-h) + 24px);
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 2px solid var(--yb-line);
    padding-left: 0;
  }

  .page-products .pd-toc__link {
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -2px;
    background: transparent;
    padding: 9px 0 9px 14px;
    font-size: 12px;
    width: 100%;
  }

  .page-products .pd-toc__link:hover,
  .page-products .pd-toc__link:focus-visible {
    border-left-color: var(--yb-blue);
    background: transparent;
  }

  .page-products .pd-toc__link[aria-current="true"] {
    border-left-color: var(--yb-blue);
    background: transparent;
    color: var(--yb-blue-deep);
  }

  .page-products .pd-main {
    padding-left: clamp(0px, 1.5vw, 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-search__caret {
    animation: none;
    opacity: 1;
  }

  .page-products .pd-path,
  .page-products .pd-combo,
  .page-products .pd-toc__link,
  .page-products .pd-next__card {
    transition: none;
  }

  .page-products .pd-path:hover,
  .page-products .pd-combo:hover,
  .page-products .pd-path--feature,
  .page-products .pd-path--feature:hover,
  .page-products .pd-combo-grid .pd-combo:nth-child(2) {
    transform: none;
  }
}