.page-products {
  --dl-panel: var(--deep-950);
  display: block;
}

.page-products .dl-crumb {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-products p {
  margin: 0;
}

/* ---------- 首屏框景 ---------- */

.page-products .dl-hero {
  padding-top: clamp(18px, 3.2vw, 38px);
}

.page-products .dl-hero__frame {
  padding: clamp(24px, 4.4vw, 56px);
  overflow: hidden;
}

.page-products .dl-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.6vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--silver-100);
}

.page-products .dl-hero__title em {
  display: block;
  font-style: normal;
  color: var(--amber);
}

.page-products .dl-hero__lede {
  margin-top: 20px;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--silver-300);
}

.page-products .dl-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4vw, 42px);
  background: var(--deep-500);
  border: var(--edge);
}

.page-products .dl-hero__stats .wdg-stat {
  display: block;
  padding: 16px 18px 18px;
  background: var(--deep-900);
}

.page-products .dl-hero__stats .wdg-stat__value {
  display: block;
  font-size: 1.35rem;
  line-height: 1.2;
}

.page-products .dl-hero__stats .wdg-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--silver-300);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 34px);
}

/* ---------- 通用区块标题 ---------- */

.page-products .dl-head {
  max-width: 72ch;
  margin-bottom: clamp(22px, 3.2vw, 34px);
}

.page-products .dl-head .wdg-eyebrow {
  display: block;
  margin-bottom: 10px;
}

.page-products .dl-head .wdg-h2 {
  margin: 0;
}

.page-products .dl-head .wdg-lede {
  display: block;
  margin-top: 12px;
}

/* ---------- 图片容器 ---------- */

.page-products .wdg-figure {
  margin: 0;
}

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

.page-products .dl-figure--lead {
  margin-bottom: clamp(24px, 3.4vw, 34px);
}

/* ---------- 体积刻度条 ---------- */

.page-products .dl-scale {
  margin-bottom: clamp(24px, 3.4vw, 34px);
  padding: 16px clamp(14px, 2vw, 22px) 20px;
  border: var(--edge);
  background: var(--dl-panel);
}

.page-products .dl-scale__row {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) 94px;
  align-items: center;
  gap: 14px;
  padding: 8px 0;
}

.page-products .dl-scale__label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--silver-100);
}

.page-products .dl-scale__track {
  position: relative;
  height: 10px;
  background: var(--deep-700);
  border: 1px solid var(--deep-500);
  overflow: hidden;
}

.page-products .dl-scale__track::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(36, 80, 111, 0.95) 0 1px, transparent 1px 10%);
  pointer-events: none;
}

.page-products .dl-scale__bar {
  position: absolute;
  top: 0;
  bottom: 0;
  display: block;
}

.page-products .dl-scale__bar--light {
  background: var(--qh-gray);
}

.page-products .dl-scale__bar--stable {
  background: var(--amber);
}

.page-products .dl-scale__bar--legacy {
  background: var(--deep-500);
}

.page-products .dl-scale__row .wdg-num {
  font-size: 0.78rem;
  text-align: right;
  color: var(--silver-300);
}

/* ---------- 表格 ---------- */

.page-products .dl-table-wrap {
  overflow-x: auto;
  border: var(--edge);
  background: var(--dl-panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .wdg-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-family: var(--font-mono);
}

.page-products .wdg-table th,
.page-products .wdg-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 0.82rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--deep-700);
}

.page-products .wdg-table thead th {
  background: var(--deep-700);
  color: var(--silver-100);
  font-family: var(--font-serif);
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid var(--deep-500);
}

.page-products .wdg-table tbody tr:nth-child(even) {
  background: rgba(22, 48, 74, 0.42);
}

.page-products .wdg-table tbody th {
  color: var(--silver-100);
  font-weight: 600;
  white-space: nowrap;
}

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

/* ---------- 系统要求 ---------- */

.page-products .dl-req__grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

/* ---------- 四步流程 ---------- */

.page-products .dl-steps {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .dl-steps__rail {
  border-top: var(--edge);
}

.page-products .dl-step {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 14px 14px 15px 48px;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: var(--edge);
  color: var(--silver-300);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .dl-step::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.page-products .dl-step:hover {
  background: rgba(36, 80, 111, 0.22);
}

.page-products .dl-step:hover::before {
  background: var(--amber);
}

.page-products .dl-step__num {
  position: absolute;
  left: 0;
  top: 15px;
  width: 34px;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--deep-500);
  border-right: 1px solid var(--deep-500);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .dl-step__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--silver-100);
}

.page-products .dl-step__hint {
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  color: var(--silver-300);
  opacity: 0.85;
}

.page-products .dl-step[aria-selected="true"] {
  background: linear-gradient(90deg, rgba(244, 167, 60, 0.12), transparent 72%);
}

.page-products .dl-step[aria-selected="true"]::before {
  background: var(--amber);
}

.page-products .dl-step[aria-selected="true"] .dl-step__num {
  color: var(--amber);
  border-right-color: var(--amber);
}

.page-products .dl-step[aria-selected="true"] .dl-step__name {
  color: var(--amber);
}

.page-products .dl-steps__panels {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: var(--edge);
  background: var(--deep-900);
  box-shadow: var(--shadow);
}

.page-products .dl-panel {
  display: block;
}

.page-products .dl-panel[hidden] {
  display: none;
}

.page-products .dl-panel__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--silver-100);
}

.page-products .dl-panel__intro {
  margin-bottom: 16px;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--silver-300);
}

.page-products .dl-check {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--deep-700);
}

.page-products .dl-check li {
  position: relative;
  padding: 11px 0 11px 24px;
  font-size: 0.83rem;
  line-height: 1.75;
  border-bottom: 1px dashed var(--deep-700);
  color: var(--silver-300);
}

.page-products .dl-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 12px;
  height: 2px;
  background: var(--amber);
}

.page-products .dl-panel__expect {
  margin-top: 18px;
  padding: 12px 14px;
  border-left: 2px solid var(--green);
  background: rgba(59, 208, 140, 0.08);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--silver-100);
}

.page-products .dl-panel__expect b {
  display: inline-block;
  margin-right: 6px;
  font-weight: 600;
  color: var(--green);
}

.page-products .dl-steps__figure {
  margin-top: clamp(26px, 3.6vw, 40px);
}

/* ---------- 完整性校验 ---------- */

.page-products .dl-verify {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .dl-verify__steps {
  list-style: none;
  counter-reset: dlv;
  margin: 0;
  padding: 0;
  border-top: var(--edge);
}

.page-products .dl-verify__steps li {
  position: relative;
  counter-increment: dlv;
  padding: 14px 0 14px 42px;
  font-size: 0.85rem;
  line-height: 1.8;
  border-bottom: 1px solid var(--deep-700);
  color: var(--silver-300);
}

.page-products .dl-verify__steps li::before {
  content: counter(dlv, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--amber);
}

.page-products .dl-verify__sample {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px clamp(14px, 2vw, 20px);
  border: var(--edge);
  background: var(--dl-panel);
}

.page-products .dl-verify__sample-title {
  margin-bottom: 10px;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--silver-100);
}

.page-products .dl-verify__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--deep-700);
  font-size: 0.78rem;
  line-height: 1.7;
}

.page-products .dl-verify__row:last-child {
  border-bottom: 0;
}

.page-products .dl-verify__key {
  color: var(--silver-300);
  opacity: 0.7;
}

.page-products .dl-verify__val {
  color: var(--silver-100);
}

/* ---------- 历史版本轨道 ---------- */

.page-products .dl-versions__figure {
  margin-bottom: clamp(22px, 3vw, 30px);
}

.page-products .dl-rail {
  display: flex;
  overflow-x: auto;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--edge);
  border-bottom: var(--edge);
  background: var(--dl-panel);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .dl-rail::-webkit-scrollbar-track {
  background: var(--deep-900);
}

.page-products .dl-rail::-webkit-scrollbar-thumb {
  background: var(--deep-500);
}

.page-products .dl-version {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 0 0 clamp(178px, 22vw, 218px);
  padding: 16px 16px 18px;
  border-right: var(--edge);
  scroll-snap-align: start;
  transition: background var(--dur) var(--ease);
}

.page-products .dl-version:last-child {
  border-right: 0;
}

.page-products .dl-version:hover {
  background: rgba(36, 80, 111, 0.3);
}

.page-products .dl-version__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--deep-500);
  transition: color var(--dur) var(--ease);
}

.page-products .dl-version:hover .dl-version__num {
  color: var(--amber);
}

.page-products .dl-version__tier {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--silver-100);
}

.page-products .dl-version__os {
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--silver-300);
}

.page-products .dl-version__size {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--amber);
}

.page-products .dl-version .wdg-badge {
  align-self: flex-start;
  margin-top: 8px;
}

/* ---------- 排查顺序 ---------- */

.page-products .dl-trouble {
  display: grid;
  gap: 1px;
  border: var(--edge);
  background: var(--deep-500);
}

.page-products .dl-trouble__item {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--dl-panel);
}

.page-products .dl-trouble__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .dl-trouble__item .wdg-h3 {
  margin: 0 0 8px;
  color: var(--silver-100);
}

.page-products .dl-trouble__item p {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--silver-300);
}

.page-products .dl-trouble__more {
  margin-top: clamp(20px, 3vw, 28px);
  max-width: 68ch;
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--silver-300);
}

.page-products .dl-trouble__more a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 结尾 CTA ---------- */

.page-products .dl-cta {
  position: relative;
  padding: clamp(24px, 4vw, 46px);
  border: var(--edge);
  border-left: 3px solid var(--amber);
  background: linear-gradient(90deg, rgba(244, 167, 60, 0.09), transparent 62%), var(--dl-panel);
}

.page-products .dl-cta .wdg-h2 {
  margin: 8px 0 14px;
}

.page-products .dl-cta p {
  max-width: 64ch;
  margin-bottom: 12px;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--silver-300);
}

.page-products .dl-cta a:not(.wdg-btn) {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-cta .wdg-note {
  color: var(--silver-300);
  opacity: 0.85;
}

.page-products .dl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 响应式 ---------- */

@media (max-width: 720px) {
  .page-products .dl-hero__frame {
    padding: 22px 18px 26px;
  }

  .page-products .dl-scale__row {
    grid-template-columns: 58px minmax(0, 1fr);
    grid-template-areas:
      "label num"
      "track track";
    gap: 6px 12px;
  }

  .page-products .dl-scale__label {
    grid-area: label;
  }

  .page-products .dl-scale__track {
    grid-area: track;
  }

  .page-products .dl-scale__row .wdg-num {
    grid-area: num;
  }

  .page-products .dl-verify__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

@media (min-width: 780px) {
  .page-products .dl-trouble {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .dl-verify {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .dl-steps {
    grid-template-columns: minmax(238px, 300px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 940px) {
  .page-products .dl-req__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-step,
  .page-products .dl-step__num,
  .page-products .dl-version,
  .page-products .dl-version__num {
    transition: none;
  }
}