.page-products {
  --sv-radius: var(--r-lg);
  --sv-gap: clamp(24px, 4vw, 56px);
  background: var(--night);
  color: var(--ivory);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .sv-hero {
  position: relative;
  padding-block: clamp(28px, 6vw, 64px) clamp(48px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 106, 26, .20), transparent 56%),
    radial-gradient(100% 80% at 0% 100%, rgba(43, 227, 214, .14), transparent 62%),
    var(--night);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .sv-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -22%;
  width: min(880px, 92vw);
  height: min(880px, 92vw);
  background: repeating-linear-gradient(24deg, rgba(43, 227, 214, .16) 0 1px, transparent 1px 48px);
  opacity: .55;
  pointer-events: none;
}

.page-products .sv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .sv-hero__eyebrow {
  margin: var(--space-3) 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .sv-hero__title {
  margin: 0 0 var(--space-3);
  max-width: 22ch;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  transform: skewX(-5deg);
  transform-origin: left center;
}

.page-products .sv-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-products .sv-hero__lead {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(.95rem, 1.6vw, 1.1rem);
  line-height: 1.9;
  color: var(--silver);
}

.page-products .sv-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .sv-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: .82rem;
  color: var(--silver);
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}

.page-products .sv-jump a span {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .sv-jump a:hover,
.page-products .sv-jump a:focus-visible {
  border-color: var(--orange);
  color: var(--ivory);
  background: rgba(255, 106, 26, .14);
}

/* ---------- 区块骨架 ---------- */
.page-products .sv-section {
  padding-block: clamp(56px, 9vw, 112px);
}

.page-products .sv-section--field {
  background: var(--field);
}

.page-products .sv-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-products .sv-idx {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .sv-head__title {
  margin: 0 0 var(--space-2);
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
}

.page-products .sv-head__lead {
  margin: 0;
  max-width: 64ch;
  color: var(--silver);
  line-height: 1.85;
}

/* ---------- 结构图 ---------- */
.page-products .sv-map {
  padding: clamp(10px, 3vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--sv-radius);
  background: linear-gradient(158deg, rgba(14, 31, 58, .96), rgba(7, 20, 39, .98));
}

.page-products .sv-map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .sv-map text {
  font-family: var(--font-sans);
}

.page-products .sv-flow {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .sv-flow li {
  padding-top: var(--space-2);
  border-top: 2px solid var(--orange);
}

.page-products .sv-flow li:nth-child(2) { border-top-color: var(--cyan); }
.page-products .sv-flow li:nth-child(3) { border-top-color: var(--moss); }

.page-products .sv-flow__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--dim);
}

.page-products .sv-flow h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-products .sv-flow p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 左右分栏 ---------- */
.page-products .sv-split {
  display: grid;
  gap: var(--sv-gap);
  align-items: center;
}

.page-products .sv-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-products .sv-body p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .sv-body > p:first-child {
  color: var(--ivory);
}

.page-products .sv-note {
  font-size: .84rem;
  line-height: 1.8;
  color: var(--dim);
  padding-left: 14px;
  border-left: 2px solid var(--rock);
}

.page-products .sv-media {
  position: relative;
  margin: 0;
  border-radius: var(--sv-radius);
  overflow: hidden;
  background: var(--field);
  border: 1px solid var(--line-soft);
}

.page-products .sv-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(43, 227, 214, .14);
  pointer-events: none;
}

.page-products .sv-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .sv-media figcaption {
  padding: 12px 16px;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--dim);
  border-top: 1px solid var(--line-soft);
  background: rgba(7, 20, 39, .6);
}

/* ---------- 复盘条目内容块 ---------- */
.page-products .sv-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .sv-rows li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .sv-rows li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-products .sv-rows__k {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .sv-rows__v {
  font-size: .92rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 指标胶囊 ---------- */
.page-products .sv-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-2) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .sv-metric {
  position: relative;
}

.page-products .sv-metric__btn {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan);
  background: rgba(43, 227, 214, .08);
  border: 1px solid rgba(43, 227, 214, .32);
  border-radius: var(--r-pill);
  padding: 8px 15px;
  cursor: help;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .sv-metric__btn:hover,
.page-products .sv-metric__btn:focus-visible {
  background: rgba(255, 106, 26, .16);
  border-color: rgba(255, 106, 26, .55);
  color: var(--orange-2);
  outline: none;
}

.page-products .sv-metric__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 20;
  width: max-content;
  max-width: min(280px, 74vw);
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: var(--night);
  border: 1px solid var(--line);
  color: var(--silver);
  font-size: .78rem;
  line-height: 1.7;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity .16s var(--ease), transform .16s var(--ease), visibility .16s;
}

.page-products .sv-metric:hover .sv-metric__tip,
.page-products .sv-metric:focus-within .sv-metric__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 资料筛选 ---------- */
.page-products .sv-filters {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .sv-filters li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 版本演进 ---------- */
.page-products .sv-versions {
  position: relative;
  background: var(--night);
  overflow: hidden;
}

.page-products .sv-versions__canvas {
  position: relative;
  padding-block: clamp(56px, 9vw, 112px);
}

.page-products .sv-versions__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(1.15);
  pointer-events: none;
}

.page-products .sv-versions__canvas > .bs-shell {
  position: relative;
  z-index: 1;
}

.page-products .sv-track {
  display: flex;
  gap: var(--space-2);
  margin: 0;
  padding: 0 0 var(--space-2);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--rock) transparent;
}

.page-products .sv-track::-webkit-scrollbar { height: 6px; }
.page-products .sv-track::-webkit-scrollbar-thumb {
  background: var(--rock);
  border-radius: var(--r-pill);
}

.page-products .sv-track__item {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--space-3);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--rock);
  background: rgba(14, 31, 58, .82);
}

.page-products .sv-track__item--current {
  border-top-color: var(--orange);
  background: linear-gradient(168deg, rgba(255, 106, 26, .18), rgba(14, 31, 58, .92));
}

.page-products .sv-track__ver {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .sv-track__item--current .sv-track__ver {
  color: var(--orange);
}

.page-products .sv-track__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .sv-track__desc {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .sv-versions__note {
  margin: var(--space-3) 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .sv-versions__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .sv-versions__note a:hover {
  color: var(--orange-2);
}

/* ---------- 适用场景 ---------- */
.page-products .sv-scenes {
  display: grid;
  gap: var(--space-2);
}

.page-products .sv-scene {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  border-left: 3px solid rgba(255, 106, 26, .55);
  background: rgba(7, 20, 39, .55);
}

.page-products .sv-scene__label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--orange-2);
}

.page-products .sv-scene h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .sv-scene p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .sv-scenes__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--field);
}

.page-products .sv-scenes__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 上手步骤 ---------- */
.page-products .sv-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .sv-step {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .sv-step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .sv-step__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-products .sv-step__body h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  font-weight: 700;
}

.page-products .sv-step__body p {
  margin: 0;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .sv-step__more {
  margin-top: 10px;
}

.page-products .sv-step__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .sv-step__more summary::-webkit-details-marker { display: none; }

.page-products .sv-step__more summary::before {
  content: "+";
  font-size: 1rem;
  line-height: 1;
}

.page-products .sv-step__more[open] summary::before {
  content: "−";
}

.page-products .sv-step__more p {
  margin: 6px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--rock);
  font-size: .86rem;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 收束 ---------- */
.page-products .sv-cta {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-lg);
  background:
    linear-gradient(128deg, rgba(255, 106, 26, .18), rgba(43, 227, 214, .10) 70%, transparent),
    var(--field);
  border: 1px solid var(--line);
}

.page-products .sv-cta__text {
  margin: 0;
  max-width: 56ch;
  line-height: 1.85;
  color: var(--ivory);
}

.page-products .sv-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .sv-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .sv-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 780px) {
  .page-products .sv-scenes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, .82fr);
    grid-template-rows: auto auto;
    gap: var(--space-3);
  }

  .page-products .sv-scene--wide {
    grid-column: 1 / span 2;
  }

  .page-products .sv-scenes__media {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .page-products .sv-scenes__media img {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-products .sv-head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
  }

  .page-products .sv-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-products .sv-step {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sv-hero__title {
    transform: none;
  }

  .page-products .sv-jump a,
  .page-products .sv-metric__btn,
  .page-products .sv-metric__tip {
    transition: none;
  }
}