.page-products {
  --pp-gap-lg: clamp(28px, 5vw, 64px);
  --pp-gap-md: clamp(18px, 3vw, 32px);
  background: var(--yd-mist);
  color: var(--yd-ink);
}

/* ---------- 首屏目录 ---------- */
.page-products .pp-intro__grid {
  display: grid;
  gap: var(--pp-gap-lg);
  margin-top: 22px;
}

.page-products .pp-intro__lead .yd-eyebrow {
  margin: 0;
}

.page-products .pp-intro__lead .yd-h1 {
  margin: 14px 0 18px;
}

.page-products .pp-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-index {
  position: relative;
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  border-top: 3px solid var(--yd-teal);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: 6px 6px 0 -1px var(--yd-paper), 6px 6px 0 0 var(--yd-rule), var(--yd-shadow);
}

.page-products .pp-index__title {
  margin: 0 0 14px;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-ink-2);
  text-transform: uppercase;
}

.page-products .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-index__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 2px 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--yd-rule);
  color: var(--yd-ink);
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-products .pp-index__list li:last-child .pp-index__link {
  border-bottom: 0;
}

.page-products .pp-index__num {
  grid-row: 1 / span 2;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-teal);
  padding-top: 3px;
}

.page-products .pp-index__name {
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-products .pp-index__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--yd-ink-2);
}

.page-products .pp-index__link:hover,
.page-products .pp-index__link:focus-visible {
  color: var(--yd-teal);
  transform: translateX(3px);
}

.page-products .pp-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--yd-rule);
  font-family: var(--yd-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--yd-ink-2);
}

/* ---------- 通用区块头 / 图 ---------- */
.page-products .pp-sec-head {
  max-width: 66ch;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}

.page-products .pp-sec-head__note {
  margin: 14px 0 0;
  font-family: var(--yd-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-products .pp-figure {
  margin: 0;
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  overflow: hidden;
}

.page-products .pp-figure--wide {
  margin-bottom: clamp(24px, 4vw, 44px);
}

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

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--yd-rule);
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--yd-ink-2);
}

/* ---------- 四条线网格 ---------- */
.page-products .pp-lines__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-products .pp-line {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
}

.page-products .pp-line--ink {
  background: var(--yd-teal-deep);
  border-color: var(--yd-teal-deep);
  color: var(--yd-paper);
}

.page-products .pp-line__num {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yd-teal);
}

.page-products .pp-line--ink .pp-line__num {
  color: var(--yd-gold);
}

.page-products .pp-line .yd-h3 {
  margin: 0;
}

.page-products .pp-line--ink .yd-h3 {
  color: var(--yd-paper);
}

.page-products .pp-line__desc {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-products .pp-line--ink .pp-line__desc {
  color: rgba(251, 249, 245, 0.84);
}

.page-products .pp-line__for {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--yd-rule);
  font-family: var(--yd-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--yd-ink-2);
}

.page-products .pp-line--ink .pp-line__for {
  border-top-color: rgba(251, 249, 245, 0.24);
  color: rgba(251, 249, 245, 0.7);
}

.page-products .pp-line__link {
  align-self: flex-start;
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.page-products .pp-line__link span {
  margin-left: 6px;
}

.page-products .pp-line--ink .pp-line__link {
  color: var(--yd-gold);
}

.page-products .pp-line__link:hover,
.page-products .pp-line__link:focus-visible {
  transform: translateY(-2px);
  opacity: 0.86;
}

/* ---------- 左右分屏 ---------- */
.page-products .pp-split {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}

.page-products .pp-split__text p {
  margin: 0 0 16px;
  font-family: var(--yd-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-products .pp-split__text .yd-h2 {
  margin: 12px 0 18px;
}

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

.page-products .pp-split__media {
  display: grid;
  gap: 16px;
}

/* ---------- 清单与路径 ---------- */
.page-products .pp-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-checklist li {
  position: relative;
  padding-left: 22px;
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--yd-ink-2);
}

.page-products .pp-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--yd-gold);
}

.page-products .pp-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .pp-path {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--yd-rule);
  display: grid;
  gap: 10px;
  counter-reset: pp-path;
}

.page-products .pp-path li {
  counter-increment: pp-path;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--yd-ink-2);
}

.page-products .pp-path li::before {
  content: counter(pp-path, decimal-leading-zero);
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--yd-teal);
}

/* ---------- 指南三步 ---------- */
.page-products .pp-steps {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .pp-step {
  position: relative;
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-products .pp-step__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--yd-mono);
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--yd-teal);
}

.page-products .pp-step .yd-h3 {
  margin: 0 0 10px;
}

.page-products .pp-step p {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

/* ---------- 手风琴 ---------- */
.page-products .pp-acc {
  margin-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--yd-rule);
}

.page-products .pp-acc details {
  border-bottom: 1px solid var(--yd-rule);
}

.page-products .pp-acc summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--yd-ink);
}

.page-products .pp-acc summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-acc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--yd-mono);
  font-size: 18px;
  color: var(--yd-teal);
}

.page-products .pp-acc details[open] summary::after {
  content: "–";
}

.page-products .pp-acc p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-family: var(--yd-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--yd-ink-2);
}

/* ---------- 导航角色清单 ---------- */
.page-products .pp-roles {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--yd-rule);
  border: 1px solid var(--yd-rule);
}

.page-products .pp-roles li {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--yd-paper);
}

.page-products .pp-roles__k {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-teal);
}

.page-products .pp-roles__v {
  font-family: var(--yd-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--yd-ink-2);
}

/* ---------- 更新节奏深色带 ---------- */
.page-products .pp-versions {
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
}

.page-products .pp-versions__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pp-versions .yd-h2 {
  color: var(--yd-paper);
  margin: 12px 0 18px;
}

.page-products .pp-versions__lead p {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 17px;
  line-height: 1.8;
  color: rgba(251, 249, 245, 0.82);
}

.page-products .pp-panel {
  border: 1px solid rgba(251, 249, 245, 0.22);
  background: rgba(251, 249, 245, 0.05);
}

.page-products .pp-panel__row {
  display: grid;
  gap: 6px;
  padding: 15px clamp(14px, 2vw, 22px);
  border-bottom: 1px solid rgba(251, 249, 245, 0.18);
}

.page-products .pp-panel__row:last-child {
  border-bottom: 0;
}

.page-products .pp-panel__key {
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--yd-paper);
}

.page-products .pp-panel__val {
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(251, 249, 245, 0.78);
}

.page-products .pp-state {
  justify-self: start;
  padding: 3px 10px;
  border: 1px solid var(--yd-gold);
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-gold);
  white-space: nowrap;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  background: var(--yd-gold-light);
}

.page-products .pp-cta__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pp-cta__lead .yd-h2 {
  margin: 12px 0 16px;
}

.page-products .pp-cta__lead p {
  margin: 0;
  max-width: 58ch;
  font-family: var(--yd-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-products .pp-cta__side {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

.page-products .pp-cta__mono {
  flex: 1 0 100%;
  margin: 6px 0 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--yd-ink-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-panel__row {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-products .pp-roles li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-products .pp-cta__side {
    align-items: center;
  }
}

@media (min-width: 860px) {
  .page-products .pp-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-line:nth-child(2),
  .page-products .pp-line:nth-child(4) {
    margin-top: 30px;
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-steps::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 42px;
    height: 1px;
    background: repeating-linear-gradient(
      90deg,
      var(--yd-gold) 0 10px,
      transparent 10px 20px
    );
  }

  .page-products .pp-step:nth-child(2) {
    margin-top: 18px;
  }

  .page-products .pp-step:nth-child(3) {
    margin-top: 36px;
  }
}

@media (min-width: 960px) {
  .page-products .pp-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-products .pp-split--flip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-split--flip .pp-split__media {
    order: -1;
  }

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

  .page-products .pp-cta__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .pp-cta__side {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index__link,
  .page-products .pp-line__link {
    transition: none;
  }

  .page-products .pp-index__link:hover,
  .page-products .pp-index__link:focus-visible,
  .page-products .pp-line__link:hover,
  .page-products .pp-line__link:focus-visible {
    transform: none;
  }
}