/* ===== 功能中心 /features/ ===== */
.page-products {
  --prod-rail: 132px;
  background: var(--paper-50);
  color: var(--indigo-900);
  font-family: var(--font-body);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

/* --- 面包屑 --- */
.page-products .prod-crumbs-bar {
  background: var(--paper);
  border-bottom: var(--edge);
}

.page-products .prod-crumbs-bar .shell {
  padding-block: 10px;
}

.page-products .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-products .crumbs__link {
  color: var(--indigo-700);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 1px;
}

.page-products .crumbs__link:hover {
  border-bottom-color: var(--gold-500);
}

.page-products .crumbs__sep {
  color: var(--stone-300);
}

.page-products .crumbs__current {
  color: var(--graphite-600);
}

/* --- 首屏 --- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--edge);
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 6%, rgba(214, 72, 90, 0.32), transparent 58%),
    linear-gradient(158deg, var(--indigo-500) 0%, var(--indigo-900) 74%);
  padding-block: clamp(26px, 4.5vw, 52px) clamp(30px, 5vw, 60px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(118deg, rgba(255, 255, 255, 0.09) 0 1px, transparent 1px 24px);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: end;
}

.page-products .prod-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
  color: var(--gold-500);
}

.page-products .prod-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-products .prod-hero__text {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-products .prod-hero__text + .prod-hero__text {
  margin-top: 10px;
}

/* --- 首屏数据条 --- */
.page-products .prod-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(255, 255, 255, 0.26);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  overflow: hidden;
}

.page-products .prod-facts__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  min-width: 0;
  padding: 14px;
  background: var(--indigo-900);
}

.page-products .prod-facts__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
}

.page-products .prod-facts__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* --- 主体与堆叠 --- */
.page-products .prod-body {
  padding-block: clamp(26px, 4vw, 46px) clamp(40px, 6vw, 80px);
}

.page-products .prod-stack {
  gap: clamp(18px, 2.6vw, 28px);
}

/* --- 功能面板 --- */
.page-products .prod-panel {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border: var(--edge);
  border-radius: 2px;
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}

.page-products .prod-panel--tags {
  background: var(--paper);
}

.page-products .prod-panel--snap {
  background: var(--paper-50);
}

.page-products .prod-panel__rail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--indigo-900);
  color: var(--paper);
  border-bottom: var(--edge);
}

.page-products .prod-panel--snap .prod-panel__rail {
  background: var(--red-600);
}

.page-products .prod-panel__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: var(--label);
  color: var(--gold-500);
}

.page-products .prod-panel__name {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.8);
}

.page-products .prod-panel__body {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 32px);
}

/* --- 面板抬头 --- */
.page-products .prod-head {
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--indigo-700);
}

.page-products .prod-panel--snap .prod-head {
  border-bottom-color: var(--red-600);
}

.page-products .prod-head__eyebrow {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--graphite-600);
}

.page-products .prod-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

/* --- 正文段落 --- */
.page-products .prod-panel__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
  overflow-wrap: break-word;
}

.page-products .prod-panel__body .prod-lead {
  color: var(--indigo-900);
}

.page-products .prod-cols__main > p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
}

.page-products .prod-cols__main > .prod-lead {
  color: var(--indigo-900);
}

/* --- 图文双栏 --- */
.page-products .prod-cols {
  display: grid;
  gap: 18px;
  align-items: start;
}

.page-products .prod-cols__main {
  min-width: 0;
}

/* --- 图框 --- */
.page-products .prod-frame {
  margin: 18px 0 0;
  border: var(--edge);
  border-radius: 2px;
  box-shadow: var(--hard-shadow);
  background: var(--paper);
  overflow: hidden;
}

.page-products .prod-cols .prod-frame {
  margin-top: 0;
}

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

.page-products .prod-frame--phone img {
  aspect-ratio: 3 / 4;
}

.page-products .prod-frame--wide img {
  aspect-ratio: 10 / 7;
}

.page-products .prod-frame__cap {
  display: block;
  padding: 8px 12px;
  background: var(--indigo-900);
  color: rgba(255, 255, 255, 0.82);
  border-top: var(--edge);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* --- 折叠步骤 --- */
.page-products .prod-steps {
  margin: 16px 0 0;
  border: var(--edge-soft);
  border-radius: 2px;
  background: var(--paper-50);
}

.page-products .prod-steps__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--indigo-700);
}

.page-products .prod-steps__sum::-webkit-details-marker {
  display: none;
}

.page-products .prod-steps__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold-500);
}

.page-products .prod-steps[open] .prod-steps__sum {
  color: var(--indigo-900);
  border-bottom: 2px solid var(--indigo-100);
}

.page-products .prod-steps[open] .prod-steps__sum::after {
  content: "\2212";
}

.page-products .prod-steps__list {
  margin: 0;
  padding: 12px 16px 16px 32px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite-600);
}

.page-products .prod-steps__list li + li {
  margin-top: 6px;
}

/* --- 标签图例条 --- */
.page-products .prod-legend {
  display: flex;
  flex-wrap: wrap;
  margin: 6px 0 16px;
  border: var(--edge);
  border-radius: 2px;
  box-shadow: var(--hard-shadow);
  background: var(--paper);
  overflow: hidden;
}

.page-products .prod-legend__lane {
  flex: 1 1 150px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
}

.page-products .prod-legend__lane--league {
  background: var(--indigo-100);
  border-left: 6px solid var(--indigo-700);
}

.page-products .prod-legend__lane--cup {
  background: var(--red-50);
  border-left: 6px solid var(--red-600);
}

.page-products .prod-legend__key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--graphite-600);
}

.page-products .prod-legend__val {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--indigo-900);
}

.page-products .prod-legend__lane--cup .prod-legend__val {
  color: var(--red-600);
}

/* --- 阵容快照三列 --- */
.page-products .prod-snap {
  display: grid;
  gap: 12px;
  margin: 4px 0 6px;
}

.page-products .prod-snap__col {
  border: var(--edge);
  border-radius: 2px;
  background: var(--paper);
  padding: 14px 16px 8px;
}

.page-products .prod-snap__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
  color: var(--red-600);
}

.page-products .prod-snap__label {
  margin: 6px 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
  color: var(--indigo-900);
}

.page-products .prod-snap__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-snap__list li {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--stone-300);
  font-size: 14px;
  color: var(--graphite-600);
}

.page-products .prod-snap__list li:last-child {
  border-bottom: 0;
}

.page-products .prod-snap__list li.is-changed {
  color: var(--red-600);
  font-weight: 700;
}

.page-products .prod-snap__list li.is-changed::before {
  content: "";
  flex: none;
  width: 3px;
  height: 18px;
  margin-right: 8px;
  background: var(--red-600);
}

/* --- 查询路径 --- */
.page-products .prod-paths {
  display: grid;
  gap: 12px;
  margin: 4px 0 16px;
}

.page-products .prod-path {
  border: var(--edge);
  border-radius: 2px;
  background: var(--paper-50);
  padding: 14px 16px 16px;
  box-shadow: 4px 4px 0 var(--indigo-100);
}

.page-products .prod-path__key {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--indigo-700);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
}

.page-products .prod-path__title {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 900;
}

.page-products .prod-path__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite-600);
}

/* --- 安装要求表 --- */
.page-products .prod-table-wrap {
  margin: 4px 0 18px;
  border: var(--edge);
  border-radius: 2px;
  box-shadow: var(--hard-shadow);
  background: var(--paper);
  overflow-x: auto;
}

.page-products .prod-table {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table thead th {
  padding: 10px 14px;
  background: var(--indigo-900);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--label);
  text-align: left;
}

.page-products .prod-table tbody th {
  width: 40%;
  padding: 11px 14px;
  background: var(--paper-50);
  border-bottom: 1px solid var(--stone-300);
  text-align: left;
  vertical-align: top;
  font-weight: 700;
  color: var(--indigo-900);
}

.page-products .prod-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--stone-300);
  color: var(--graphite-600);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-table tbody tr:last-child th,
.page-products .prod-table tbody tr:last-child td {
  border-bottom: 0;
}

/* --- 专业版 --- */
.page-products .prod-pro {
  margin: 0 0 16px;
  padding: 16px 18px;
  background: var(--indigo-100);
  border-left: 6px solid var(--indigo-700);
  border-radius: 2px;
}

.page-products .prod-pro__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 900;
  color: var(--indigo-900);
}

.page-products .prod-pro__list {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--indigo-900);
}

.page-products .prod-pro__list li + li {
  margin-top: 4px;
}

.page-products .prod-pro__foot {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--red-600);
}

/* --- 后续入口 --- */
.page-products .prod-next {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-next__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--indigo-900);
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 900;
}

.page-products .prod-next__grid {
  display: grid;
  gap: 12px;
}

.page-products .prod-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--paper);
  border: var(--edge);
  border-radius: 2px;
  box-shadow: var(--hard-shadow);
  color: var(--indigo-900);
  text-decoration: none;
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-products .prod-next__card:hover {
  border-color: var(--indigo-700);
  box-shadow: 10px 10px 0 var(--gold-500);
}

.page-products .prod-next__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
  color: var(--gold-500);
}

.page-products .prod-next__label {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
}

.page-products .prod-next__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--graphite-600);
}

/* ===== 媒体查询 ===== */
@media (min-width: 640px) {
  .page-products .prod-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .prod-snap {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: var(--edge);
    border-radius: 2px;
    box-shadow: var(--hard-shadow);
    background: var(--paper);
    overflow: hidden;
  }

  .page-products .prod-snap__col {
    border: 0;
    border-radius: 0;
    background: var(--paper);
  }

  .page-products .prod-snap__col + .prod-snap__col {
    border-left: 2px solid var(--stone-300);
  }

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

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

@media (min-width: 780px) {
  .page-products .prod-panel {
    grid-template-columns: var(--prod-rail) minmax(0, 1fr);
  }

  .page-products .prod-panel__rail {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 14px;
    padding: 24px 18px;
    border-bottom: 0;
    border-right: var(--edge);
  }

  .page-products .prod-panel__num::after {
    content: "";
    display: block;
    width: 30px;
    height: 2px;
    margin-top: 10px;
    background: var(--gold-500);
  }

  .page-products .prod-cols {
    grid-template-columns: minmax(0, 1fr) 258px;
    gap: 22px;
  }

  .page-products .prod-cols--rev {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-products .prod-cols .prod-frame {
    margin-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-next__card {
    transition: none;
  }
}