.page-products .feat-shell {
  padding-block: 24px 72px;
}

.page-products .breadcrumb {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  position: relative;
  overflow: hidden;
  padding: var(--pad-1);
}

.page-products .feat-hero__grid {
  display: grid;
  gap: 24px;
}

.page-products .feat-hero__lead {
  min-width: 0;
}

.page-products .feat-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--mist-white);
}

.page-products .feat-hero__title span {
  display: block;
  color: var(--electric-cyan);
}

.page-products .feat-hero__text {
  max-width: 58ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--cold-gray);
}

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

.page-products .feat-databox {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-content: start;
  padding: 18px 20px 22px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: rgba(7, 10, 22, 0.62);
}

.page-products .feat-databox::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--electric-cyan), var(--fluoro-orange));
  border-radius: 0 0 var(--radius) var(--radius);
}

.page-products .feat-databox .databox__label {
  align-self: baseline;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--cold-gray);
}

.page-products .feat-databox .databox__value,
.page-products .feat-databox .databox__time {
  text-align: right;
  font-size: 1.25rem;
  line-height: 1.2;
}

.page-products .feat-databox .databox__value {
  color: var(--electric-cyan);
}

.page-products .feat-databox .databox__time {
  color: var(--fluoro-orange);
}

/* ---------- 章节预览 ---------- */
.page-products .feat-preview {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid-line);
}

.page-products .feat-preview li {
  border-bottom: 1px solid var(--grid-line);
}

.page-products .feat-preview a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  padding: 14px 4px;
  text-decoration: none;
  color: var(--mist-white);
  transition: background-color var(--t) var(--ease);
}

.page-products .feat-preview a:hover,
.page-products .feat-preview a:focus-visible {
  background: rgba(34, 224, 218, 0.06);
}

.page-products .feat-preview a:focus-visible,
.page-products .feat-toc__link:focus-visible,
.page-products .feat-next__list a:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}

.page-products .feat-preview__no {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--electric-cyan);
}

.page-products .feat-preview__name {
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.page-products .feat-preview__desc {
  margin-top: 4px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--cold-gray);
}

/* ---------- 主体布局 ---------- */
.page-products .feat-layout {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-products .feat-toc {
  position: relative;
}

.page-products .feat-toc__list {
  display: flex;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .feat-toc__list::-webkit-scrollbar {
  display: none;
}

.page-products .feat-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--cold-gray);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-products .feat-toc__link .mono {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--grid-line);
}

.page-products .feat-toc__link[aria-current="true"] {
  color: var(--electric-cyan);
  border-color: rgba(34, 224, 218, 0.5);
  background: rgba(34, 224, 218, 0.07);
}

.page-products .feat-toc__link[aria-current="true"] .mono {
  color: var(--electric-cyan);
}

.page-products .feat-stream {
  display: grid;
  gap: 24px;
  min-width: 0;
}

/* ---------- 模块面板 ---------- */
.page-products .feat-mod {
  position: relative;
  overflow: hidden;
  padding: var(--pad-1);
}

.page-products .feat-mod > *:not(.feat-mod__bg) {
  position: relative;
  z-index: 1;
}

.page-products .feat-mod__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-products .feat-mod__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .feat-mod__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 27, 66, 0.4) 0%, rgba(11, 16, 48, 0.95) 100%);
}

.page-products .feat-mod__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grid-line);
}

.page-products .feat-mod__title {
  margin: 20px 0 0;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--mist-white);
}

.page-products .feat-tag {
  padding: 4px 9px;
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--cold-gray);
}

.page-products .feat-tag--cyan {
  color: var(--electric-cyan);
  border-color: rgba(34, 224, 218, 0.42);
}

.page-products .feat-tag--orange {
  color: var(--fluoro-orange);
  border-color: rgba(255, 122, 47, 0.42);
}

.page-products .feat-tag--green {
  color: var(--signal-green);
  border-color: rgba(56, 211, 159, 0.4);
}

.page-products .feat-mod .prose {
  margin-top: 20px;
}

.page-products .feat-aside {
  margin: 22px 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--cold-gray);
}

.page-products .feat-aside a {
  color: var(--electric-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 218, 0.45);
}

.page-products .feat-aside a:hover {
  border-bottom-color: var(--electric-cyan);
}

/* ---------- 复盘图表卡 ---------- */
.page-products .feat-charts {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .feat-chartcard {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--deep-indigo);
}

.page-products .feat-chartcard__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-products .feat-chartcard h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mist-white);
}

.page-products .feat-chartcard__meta {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--cold-gray);
  white-space: nowrap;
}

.page-products .feat-spark {
  width: 100%;
  height: 48px;
  overflow: visible;
}

.page-products .feat-spark polyline {
  fill: none;
  stroke: var(--electric-cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.page-products .feat-chartcard p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--cold-gray);
}

/* ---------- 图文分栏 ---------- */
.page-products .feat-split {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-products .feat-split__body {
  min-width: 0;
}

.page-products .feat-split__body .prose {
  margin-top: 0;
}

.page-products .feat-shot {
  margin: 0;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
}

.page-products .feat-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .feat-shot figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--grid-line);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--cold-gray);
}

.page-products .feat-shot--bleed {
  margin: 24px 0 0;
}

/* ---------- 要点列表 ---------- */
.page-products .feat-list {
  display: grid;
  gap: 18px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
}

.page-products .feat-list__no {
  padding-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--electric-cyan);
}

.page-products .feat-list h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mist-white);
}

.page-products .feat-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--cold-gray);
}

/* ---------- 版本时间线 ---------- */
.page-products .feat-timeline {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-timeline li {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--grid-line);
}

.page-products .feat-timeline li:last-child {
  padding-bottom: 0;
}

.page-products .feat-timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--electric-cyan);
}

.page-products .feat-timeline li:first-child::before {
  background: var(--fluoro-orange);
}

.page-products .feat-timeline__ver {
  margin: 0 0 6px;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--mist-white);
}

.page-products .feat-timeline__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--cold-gray);
}

/* ---------- 数据指标条 ---------- */
.page-products .feat-stats {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .feat-stat {
  padding: 22px 20px;
  background: var(--panel-indigo);
}

.page-products .feat-stat__num {
  display: block;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--mist-white);
}

.page-products .feat-stat__num small {
  margin-left: 4px;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cold-gray);
}

.page-products .feat-stat__num--cyan {
  color: var(--electric-cyan);
}

.page-products .feat-stat__num--cyan small {
  color: rgba(34, 224, 218, 0.7);
}

.page-products .feat-stat__num--orange {
  color: var(--fluoro-orange);
}

.page-products .feat-stat__num--orange small {
  color: rgba(255, 122, 47, 0.72);
}

.page-products .feat-stat__label {
  display: block;
  margin-top: 12px;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--cold-gray);
}

/* ---------- 场景网格 ---------- */
.page-products .feat-scenes {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .feat-scene {
  padding: 22px 20px;
  background: var(--panel-indigo);
}

.page-products .feat-scene__no {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--cold-gray);
}

.page-products .feat-scene h3 {
  margin: 12px 0 8px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--mist-white);
}

.page-products .feat-scene p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--cold-gray);
}

/* ---------- 结尾导航 ---------- */
.page-products .feat-next__title {
  margin: 14px 0 20px;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 400;
  color: var(--mist-white);
}

.page-products .feat-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .feat-next__list a {
  display: block;
  padding: 18px 20px;
  text-decoration: none;
  background: var(--deep-indigo);
  transition: background-color var(--t) var(--ease);
}

.page-products .feat-next__list a:hover {
  background: rgba(34, 224, 218, 0.08);
}

.page-products .feat-next__name {
  display: block;
  font-size: 1rem;
  color: var(--electric-cyan);
}

.page-products .feat-next__desc {
  display: block;
  margin-top: 6px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--cold-gray);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-products .feat-hero {
    padding: var(--pad-2);
  }

  .page-products .feat-mod {
    padding: var(--pad-2);
  }

  .page-products .feat-preview {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feat-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feat-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feat-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .feat-hero {
    padding: var(--pad-3);
  }

  .page-products .feat-mod {
    padding: var(--pad-3);
  }

  .page-products .feat-shot--bleed {
    margin-left: calc(-1 * var(--pad-3));
    margin-right: calc(-1 * var(--pad-3));
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }

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

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

  .page-products .feat-split {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-products .feat-split--right {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-products .feat-split--right .feat-split__body {
    order: 1;
  }

  .page-products .feat-split--right .feat-shot {
    order: 2;
  }
}

@media (min-width: 1024px) {
  .page-products .feat-layout {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .feat-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .feat-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-products .feat-toc__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--grid-line);
    border-radius: 0;
    padding: 9px 0 9px 14px;
    background: none;
  }

  .page-products .feat-toc__link[aria-current="true"] {
    background: none;
    border-left-color: var(--electric-cyan);
  }

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

  .page-products .feat-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .feat-hero__grid {
    grid-template-columns: minmax(0, 1fr) 244px;
    align-items: start;
    gap: 44px;
  }

  .page-products .feat-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat-preview a,
  .page-products .feat-toc__link,
  .page-products .feat-next__list a {
    transition: none;
  }
}