.page-products {
  --pp-shadow: 0 30px 70px -34px rgba(0, 0, 0, .9);
  --pp-shadow-soft: 0 16px 38px -22px rgba(0, 0, 0, .78);
  --pp-card-bg: linear-gradient(158deg, rgba(15, 42, 68, .92), rgba(8, 23, 38, .94));
  --pp-card-bg-alt: linear-gradient(158deg, rgba(15, 42, 68, .78), rgba(8, 23, 38, .9));
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-products .crumbs {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(1.1rem, 3vw, 2rem);
  padding-bottom: clamp(0.5rem, 2vw, 1.25rem);
}

.page-products .pp-hero__inner {
  max-width: 1000px;
}

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0.5rem 0 0;
  max-width: 20ch;
}

.page-products .pp-hero__lead {
  font-size: var(--fs-18);
  line-height: 1.75;
  color: rgba(232, 241, 248, .82);
  max-width: 40ch;
  margin: clamp(0.9rem, 2.4vw, 1.4rem) 0 0;
}

.page-products .pp-hero__hint {
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
  font-size: var(--fs-13);
  letter-spacing: 0.14em;
  color: var(--steel);
}

/* ---------- 索引卡片 ---------- */
.page-products .pp-index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.page-products .pp-index__card {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  padding: 0.85rem 0.8rem 0.95rem;
  background: linear-gradient(165deg, rgba(15, 42, 68, .85), rgba(8, 23, 38, .55));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--white);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .pp-index__card:hover,
.page-products .pp-index__card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(61, 255, 158, .48);
  box-shadow: var(--pp-shadow-soft);
}

.page-products .pp-index__no {
  font-family: var(--font-display);
  font-size: var(--fs-13);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pp-index__name {
  font-size: var(--fs-15);
  line-height: 1.4;
  font-weight: 600;
}

.page-products .pp-index__meta {
  font-size: var(--fs-13);
  color: var(--steel);
  letter-spacing: 0.04em;
}

/* ---------- 筛选条 ---------- */
.page-products .pp-filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
  margin-top: clamp(1.75rem, 4.5vw, 3rem);
}

.page-products .pp-chipbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .pp-filterstatus {
  font-size: var(--fs-13);
  color: var(--steel);
  margin: 0;
  letter-spacing: 0.04em;
}

/* ---------- 功能卡片 ---------- */
.page-products .pp-cards {
  display: grid;
  gap: clamp(1.25rem, 3.4vw, 2.25rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-products .pp-card {
  position: relative;
  display: grid;
  gap: clamp(1rem, 2.8vw, 1.9rem);
  padding: clamp(1.15rem, 3vw, 2.25rem);
  background: var(--pp-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-card::after {
  content: "";
  position: absolute;
  inset: auto 12% -10px 12%;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .45);
  filter: blur(14px);
  z-index: -1;
  pointer-events: none;
}

.page-products .pp-card__no {
  font-family: var(--font-display);
  font-size: var(--fs-13);
  letter-spacing: 0.24em;
  color: var(--neon);
  margin: 0 0 0.55rem;
}

.page-products .pp-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--white);
  margin: 0;
}

.page-products .pp-card__text {
  font-size: var(--fs-15);
  line-height: 1.78;
  color: rgba(232, 241, 248, .8);
  margin: 0.8rem 0 0;
  max-width: 42ch;
}

.page-products .pp-card__text--sub {
  font-size: var(--fs-15);
  color: rgba(232, 241, 248, .62);
}

.page-products .pp-card__media {
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--night-2);
}

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

/* ---------- 数据锚点 ---------- */
.page-products .pp-anchor {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.7rem;
  margin-top: 1.1rem;
  padding-left: 0.85rem;
  border-left: 3px solid currentColor;
  color: var(--neon);
}

.page-products .pp-anchor--ember {
  color: var(--ember);
}

.page-products .pp-anchor--cyan {
  color: var(--cyan);
}

.page-products .pp-anchor__num {
  font-family: var(--font-display);
  font-size: var(--fs-40);
  line-height: 1;
  letter-spacing: 0.01em;
}

.page-products .pp-anchor__unit {
  font-size: var(--fs-13);
  line-height: 1.5;
  color: var(--steel);
  max-width: 24ch;
}

/* ---------- 展开详情 ---------- */
.page-products .pp-more {
  margin-top: 1.2rem;
  border-top: 1px dashed var(--line);
  padding-top: 0.85rem;
}

.page-products .pp-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-15);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

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

.page-products .pp-more > summary::before {
  content: "+";
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  line-height: 1;
  transition: transform 0.25s var(--ease);
}

.page-products .pp-more[open] > summary::before {
  transform: rotate(45deg);
}

.page-products .pp-list {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-products .pp-list li {
  font-size: var(--fs-15);
  line-height: 1.7;
  color: rgba(232, 241, 248, .74);
  padding-left: 1rem;
  position: relative;
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
}

.page-products .pp-list strong {
  color: var(--white);
  font-weight: 600;
}

.page-products .pp-more__link {
  margin: 0.9rem 0 0;
  font-size: var(--fs-15);
}

.page-products .pp-more__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 255, .4);
}

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

/* ---------- 旧版步骤条 ---------- */
.page-products .pp-steps {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-products .pp-step {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  border-radius: var(--radius-sm);
  background: rgba(8, 23, 38, .55);
}

.page-products .pp-step__num {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  line-height: 1.3;
  color: var(--ember);
  min-width: 1.1rem;
}

.page-products .pp-step__text {
  font-size: var(--fs-15);
  line-height: 1.65;
  color: rgba(232, 241, 248, .82);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-sec {
  margin-top: clamp(3rem, 8vw, 5.5rem);
}

.page-products .pp-sec__head {
  max-width: 660px;
}

.page-products .pp-sec__title {
  font-family: var(--font-display);
  font-size: var(--fs-40);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0.65rem 0 0;
}

.page-products .pp-sec__lead {
  font-size: var(--fs-15);
  line-height: 1.78;
  color: rgba(232, 241, 248, .72);
  margin: 0.85rem 0 0;
  max-width: 42ch;
}

/* ---------- 版本里程碑 ---------- */
.page-products .pp-roadmap {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0 0 0 clamp(1rem, 3vw, 2rem);
  list-style: none;
  border-left: 2px solid var(--line-strong);
  display: grid;
}

.page-products .pp-milestone {
  position: relative;
  padding: clamp(0.85rem, 2vw, 1.35rem) 0;
}

.page-products .pp-milestone::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(1rem, 3vw, 2rem) - 6px);
  top: calc(clamp(0.85rem, 2vw, 1.35rem) + 0.5rem);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--gold);
}

.page-products .pp-milestone__ver {
  font-family: var(--font-display);
  font-size: var(--fs-13);
  letter-spacing: 0.22em;
  color: var(--gold);
  margin: 0;
}

.page-products .pp-milestone__title {
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--white);
  margin: 0.4rem 0 0;
}

.page-products .pp-milestone__text {
  font-size: var(--fs-15);
  line-height: 1.75;
  color: rgba(232, 241, 248, .72);
  margin: 0.45rem 0 0;
  max-width: 46ch;
}

/* ---------- 使用路径 ---------- */
.page-products .pp-routes {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .pp-route {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--pp-card-bg-alt);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--pp-shadow-soft);
}

.page-products .pp-route--member {
  border-top-color: var(--ember);
}

.page-products .pp-route--legacy {
  border-top-color: var(--gold);
}

.page-products .pp-route__tag {
  align-self: flex-start;
}

.page-products .pp-route__title {
  font-size: var(--fs-18);
  line-height: 1.45;
  color: var(--white);
  margin: 0;
}

.page-products .pp-route__text {
  font-size: var(--fs-15);
  line-height: 1.75;
  color: rgba(232, 241, 248, .76);
  margin: 0;
  flex: 1 1 auto;
}

.page-products .pp-route__act {
  margin: 0;
}

/* ---------- 结尾引导 ---------- */
.page-products .pp-outro {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.25rem, 3.4vw, 2rem);
  background: linear-gradient(150deg, rgba(15, 42, 68, .7), rgba(8, 23, 38, .85));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 1rem;
}

.page-products .pp-outro__text {
  font-size: var(--fs-15);
  line-height: 1.78;
  color: rgba(232, 241, 248, .8);
  margin: 0;
  max-width: 54ch;
}

.page-products .pp-outro__act {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pp-card {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-products .pp-card:nth-child(even) .pp-card__media {
    order: -1;
  }

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

  .page-products .pp-outro {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

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

@media (min-width: 1040px) {
  .page-products .pp-hero__inner {
    max-width: 1080px;
  }

  .page-products .pp-card {
    padding: clamp(1.75rem, 2.6vw, 2.5rem);
  }
}

@media (max-width: 400px) {
  .page-products .pp-anchor__num {
    font-size: var(--fs-28);
  }

  .page-products .pp-index__card {
    padding: 0.7rem 0.65rem 0.8rem;
  }
}