.page-products {
  --prod-line: var(--hair);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  padding: 26px 0 4px;
}

.page-products .prod-hero .breadcrumbs {
  margin-bottom: 20px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 24px;
  margin-top: 16px;
}

.page-products .prod-hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-products .prod-hero__lead .lede {
  margin-top: 16px;
  max-width: 52ch;
}

.page-products .prod-hero__meta {
  margin-top: 18px;
  font-size: 14px;
  color: var(--graphite);
}

.page-products .prod-hero__meta .tabular {
  color: var(--ink);
  font-weight: 700;
  font-family: var(--font-mono);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .prod-hero__aside {
  position: relative;
  padding: 20px 20px 18px;
  border: 1px solid var(--hair);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: border-color 180ms ease;
}

.page-products .prod-hero__aside:hover {
  border-color: var(--orange);
}

.page-products .prod-hero__aside-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--graphite);
}

.page-products .prod-hero__aside-ver {
  margin: 6px 0 14px;
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: var(--pine);
}

.page-products .prod-hero__aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: var(--graphite);
}

.page-products .prod-hero__aside-list li {
  padding: 8px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-products .prod-hero__aside-list li:first-child {
  border-top: 0;
}

.page-products .prod-hero__aside-list b {
  color: var(--ink);
  font-family: var(--font-mono);
}

/* ============ 表格 ============ */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.page-products .prod-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.65;
}

.page-products .prod-table__cap {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--graphite);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .prod-table thead th {
  background: var(--pine);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 0;
  white-space: nowrap;
}

.page-products .prod-table tbody tr:nth-child(even) {
  background: rgba(199, 210, 214, 0.2);
}

.page-products .prod-table tbody tr:hover {
  background: var(--orange-soft);
}

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

.page-products .prod-table td:first-child {
  font-weight: 700;
  color: var(--pine-2);
  white-space: nowrap;
}

/* ============ 通用小标题 ============ */
.page-products .prod-sub {
  margin: 40px 0 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pine);
  padding-left: 12px;
  border-left: 4px solid var(--pine-2);
}

/* ============ 设备卡片 ============ */
.page-products .prod-devices {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .prod-device {
  position: relative;
  padding: 18px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.page-products .prod-device:hover {
  border-color: var(--orange);
  background: #fff;
  transform: translateY(-2px);
}

.page-products .prod-device__icon {
  display: block;
  color: var(--pine-2);
}

.page-products .prod-device:hover .prod-device__icon {
  color: var(--orange);
}

.page-products .prod-device__name {
  margin: 14px 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-device__req {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ============ 安装步骤轨 ============ */
.page-products .prod-rail {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 54px;
}

.page-products .prod-rail::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--pine-2);
  opacity: 0.45;
}

.page-products .prod-rail__item {
  position: relative;
  padding-bottom: 34px;
}

.page-products .prod-rail__item:last-child {
  padding-bottom: 0;
}

.page-products .prod-rail__num {
  position: absolute;
  left: -54px;
  top: -6px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--pine-2);
  background: var(--silver);
  border-radius: 50%;
  transition: -webkit-text-stroke-color 180ms ease;
}

.page-products .prod-rail__item:hover .prod-rail__num {
  -webkit-text-stroke-color: var(--orange);
}

.page-products .prod-rail__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .prod-rail__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .prod-rail__pit {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--orange-soft);
  font-size: 13px;
  line-height: 1.7;
  color: #7c3a11;
}

/* ============ 同步卡片 ============ */
.page-products .prod-sync {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .prod-sync__card {
  padding: 18px;
  border: 1px solid var(--hair);
  border-top: 3px solid var(--pine-2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.66);
  transition: border-top-color 180ms ease;
}

.page-products .prod-sync__card:hover {
  border-top-color: var(--teal);
}

.page-products .prod-sync__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
}

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

/* ============ 版本节奏面板 ============ */
.page-products .prod-version-panel {
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--pine);
  color: #fff;
}

.page-products .prod-version-panel__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-products .prod-version-panel__num {
  margin: 6px 0 10px;
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.page-products .prod-version-panel__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(238, 242, 244, 0.82);
}

/* ============ 版本时间轴 ============ */
.page-products .prod-version {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-products .prod-version__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  grid-template-areas:
    "name bar"
    "name note";
  align-items: center;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .prod-version__name {
  grid-area: name;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--pine-2);
}

.page-products .prod-version__bar {
  grid-area: bar;
  display: block;
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--pine-2), var(--teal));
  transition: filter 180ms ease, width 220ms ease;
}

.page-products .prod-version__item:hover .prod-version__bar {
  filter: brightness(1.12);
}

.page-products .prod-version__bar--w1 { width: 32%; }
.page-products .prod-version__bar--w2 { width: 46%; }
.page-products .prod-version__bar--w3 { width: 58%; }
.page-products .prod-version__bar--w4 { width: 70%; }
.page-products .prod-version__bar--w5 { width: 82%; }
.page-products .prod-version__bar--w6 { width: 96%; }

.page-products .prod-version__note {
  grid-area: note;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ============ 反馈动线 ============ */
.page-products .prod-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .prod-flow__node {
  position: relative;
  padding: 20px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.66);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-products .prod-flow__node:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .prod-flow__node:last-child {
  border-color: var(--orange);
  background: #fff;
}

.page-products .prod-flow__step {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-products .prod-flow__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
}

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

/* ============ 暗色准备清单 ============ */
.page-products .prod-dark {
  margin-top: 26px;
  padding: 24px 22px;
  border-radius: var(--radius);
  background: var(--pine-deep);
  color: var(--silver);
}

.page-products .prod-dark__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.page-products .prod-dark__list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.95;
  color: rgba(238, 242, 244, 0.82);
}

.page-products .prod-dark__list li::marker {
  color: var(--teal);
}

.page-products .prod-dark__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(199, 210, 214, 0.24);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(238, 242, 244, 0.7);
}

.page-products .prod-dark__link {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 195, 162, 0.45);
}

.page-products .prod-dark__link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ============ 常见问题 ============ */
.page-products .prod-faq {
  margin-top: 24px;
  border-top: 1px solid var(--hair);
}

.page-products .prod-faq__item {
  border-bottom: 1px solid var(--hair);
}

.page-products .prod-faq__trigger {
  display: block;
  width: 100%;
  padding: 18px 34px 18px 0;
  position: relative;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  transition: color 160ms ease;
}

.page-products .prod-faq__trigger::after {
  content: "＋";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  font-weight: 400;
  color: var(--pine-2);
  transition: color 160ms ease;
}

.page-products .prod-faq__trigger[aria-expanded="true"] {
  color: var(--pine-2);
}

.page-products .prod-faq__trigger[aria-expanded="true"]::after {
  content: "－";
  color: var(--orange);
}

.page-products .prod-faq__trigger:hover {
  color: var(--orange);
}

.page-products .prod-faq__panel {
  padding: 0 34px 18px 0;
}

.page-products .prod-faq__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ============ 延伸入口 ============ */
.page-products .prod-more {
  margin-top: 30px;
  padding: 22px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-products .prod-more__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-products .prod-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ============ 图片容器微调 ============ */
.page-products .figure {
  margin: 0;
}

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

.page-products .sec .figure {
  margin-top: 8px;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .prod-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .prod-sync {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .prod-hero {
    padding-top: 36px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 44px;
  }

  .page-products .prod-hero__aside {
    align-self: stretch;
  }

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

  .page-products .prod-dark {
    padding: 30px 32px;
  }

  .page-products .prod-more {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }

  .page-products .prod-more__links {
    margin-top: 0;
    flex-wrap: nowrap;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-rail {
    padding-left: 62px;
  }

  .page-products .prod-rail__num {
    left: -62px;
    width: 46px;
    height: 46px;
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-device,
  .page-products .prod-flow__node,
  .page-products .prod-version__bar,
  .page-products .prod-hero__aside {
    transition: none;
  }

  .page-products .prod-device:hover,
  .page-products .prod-flow__node:hover {
    transform: none;
  }
}