.page-products {
  --dl-r: 24px;
  --dl-line: var(--cool-line);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 5vw, 64px);
  overflow: hidden;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(92% 120% at 6% -12%, rgba(47, 243, 208, 0.16), transparent 60%),
    radial-gradient(70% 96% at 104% 4%, rgba(138, 107, 255, 0.14), transparent 62%);
  pointer-events: none;
}

.page-products .dl-hero__inner {
  position: relative;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.page-products .breadcrumb a {
  color: var(--ink-muted);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--neon-cyan);
}

.page-products .dl-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-products .dl-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--ink-muted);
}

.page-products .dl-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 28px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--dl-line);
}

.page-products .dl-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .dl-fact-label {
  font-size: 13px;
  color: var(--ink-muted);
}

.page-products .dl-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--neon-cyan);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

/* ---------- 左右分栏骨架 ---------- */
.page-products .dl-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .dl-nav {
  display: none;
}

.page-products .dl-body {
  min-width: 0;
}

/* ---------- 区块 ---------- */
.page-products .dl-section {
  padding: clamp(36px, 5.5vw, 68px) 0;
  border-top: 1px solid var(--dl-line);
}

.page-products .dl-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .dl-body .section-head__lead {
  max-width: 58ch;
}

.page-products .dl-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-muted);
}

/* ---------- 设备卡片 ---------- */
.page-products .dl-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.page-products .dl-device {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--dl-line);
  border-radius: var(--dl-r);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .dl-device:hover {
  border-color: rgba(47, 243, 208, 0.55);
  transform: translateY(-3px);
}

.page-products .dl-device--lead {
  background: linear-gradient(160deg, var(--cyan-deep), var(--panel) 72%);
  border-color: rgba(47, 243, 208, 0.4);
}

.page-products .dl-device .chip {
  align-self: flex-start;
}

.page-products .dl-device__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .dl-device__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted);
}

.page-products .dl-device__meta {
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--neon-cyan);
}

/* ---------- 图片框 ---------- */
.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--dl-line);
  border-radius: var(--dl-r);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(13, 22, 40, 0.9), rgba(6, 11, 24, 0.95)),
    repeating-linear-gradient(90deg, rgba(34, 48, 76, 0.35) 0 1px, transparent 1px 56px);
}

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

.page-products .dl-media {
  margin-top: 28px;
}

.page-products .dl-media--square {
  max-width: 620px;
}

/* ---------- 流程 ---------- */
.page-products .dl-flow {
  margin-top: 26px;
}

.page-products .dl-flow:first-of-type {
  margin-top: 4px;
}

.page-products .dl-flow__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  padding-left: 14px;
  border-left: 3px solid var(--neon-cyan);
  line-height: 1.2;
}

.page-products .dl-steps {
  counter-reset: dlstep;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-step {
  counter-increment: dlstep;
  position: relative;
  padding: 0 0 26px 58px;
  min-height: 44px;
}

.page-products .dl-step:last-child {
  padding-bottom: 0;
}

.page-products .dl-step::before {
  content: counter(dlstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  background: var(--cyan-deep);
  border: 1px solid rgba(47, 243, 208, 0.45);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  z-index: 1;
}

.page-products .dl-step::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(47, 243, 208, 0.45), rgba(47, 243, 208, 0));
}

.page-products .dl-step:last-child::after {
  display: none;
}

.page-products .dl-step__title {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .dl-step__desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
}

.page-products .dl-steps--five .dl-step::before {
  border-color: rgba(255, 178, 63, 0.5);
  color: var(--amber);
  background: rgba(255, 178, 63, 0.09);
}

.page-products .dl-steps--five .dl-step::after {
  background: linear-gradient(180deg, rgba(255, 178, 63, 0.4), rgba(255, 178, 63, 0));
}

/* ---------- 折叠 ---------- */
.page-products .accordion {
  margin-top: 30px;
  border: 1px solid var(--dl-line);
  border-radius: var(--dl-r);
  overflow: hidden;
  background: var(--panel);
}

.page-products .accordion__item + .accordion__item {
  border-top: 1px solid var(--dl-line);
}

.page-products .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-products .accordion__trigger:hover {
  background: var(--panel-raised);
}

.page-products .accordion__index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
}

.page-products .accordion__icon {
  margin-left: auto;
  width: 10px;
  height: 10px;
  flex: none;
  border-right: 2px solid var(--ink-muted);
  border-bottom: 2px solid var(--ink-muted);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(-135deg) translateY(-3px);
  border-color: var(--neon-cyan);
}

.page-products .accordion__panel {
  overflow: hidden;
}

.page-products .accordion__panel[data-open="false"] {
  display: none;
}

.page-products .accordion__body {
  padding: 0 20px 20px 46px;
}

.page-products .accordion__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-muted);
}

/* ---------- 字段表 ---------- */
.page-products .dl-tablewrap {
  margin-top: 4px;
  overflow-x: auto;
  border: 1px solid var(--dl-line);
  border-radius: var(--dl-r);
  background: var(--panel);
}

.page-products .dl-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13.5px;
}

.page-products .dl-table caption {
  padding: 16px 20px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--dl-line);
}

.page-products .dl-table thead th {
  padding: 13px 20px;
  text-align: left;
  background: var(--cyan-deep);
  color: var(--neon-cyan);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-products .dl-table tbody td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--dl-line);
  color: var(--ink-muted);
  line-height: 1.7;
  vertical-align: top;
}

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

.page-products .dl-table tbody tr:hover td {
  background: var(--panel-raised);
  color: var(--ink);
}

.page-products .dl-table tbody td:first-child {
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .dl-callout {
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: var(--dl-r);
  border: 1px solid rgba(255, 178, 63, 0.32);
  background: rgba(255, 178, 63, 0.06);
}

.page-products .dl-callout p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-muted);
}

.page-products .dl-callout p + p {
  margin-top: 10px;
}

.page-products .dl-callout strong {
  color: var(--amber);
  font-weight: 700;
}

/* ---------- 会员权益 ---------- */
.page-products .dl-tiers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .dl-tier {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .dl-tier .chip {
  align-self: flex-start;
}

.page-products .dl-tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-tier__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .dl-tier__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
}

.page-products .dl-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-cyan);
}

.page-products .dl-tier--data {
  border-color: rgba(47, 243, 208, 0.42);
}

.page-products .dl-tier--data .dl-tier__list li::before {
  background: var(--amber);
}

.page-products .dl-tier .link-underline {
  margin-top: auto;
  font-size: 14px;
}

/* ---------- 图表网格 ---------- */
.page-products .dl-charts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: 4px;
}

.page-products .dl-chart {
  padding: 16px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--dl-line);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .dl-chart:hover {
  border-color: rgba(138, 107, 255, 0.6);
  background: var(--panel-raised);
}

.page-products .dl-chart__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-chart__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- 格式对照 ---------- */
.page-products .dl-format {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .dl-format__card {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .dl-format__card .chip {
  align-self: flex-start;
}

.page-products .dl-format__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-format__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .dl-format__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
}

.page-products .dl-format__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--electric-violet);
}

.page-products .dl-format__card--wide {
  background: linear-gradient(150deg, var(--panel-raised), var(--panel) 68%);
  border-color: rgba(255, 178, 63, 0.3);
}

.page-products .dl-format__card--wide .dl-format__list li::before {
  background: var(--amber);
}

.page-products .dl-format__hint {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--dl-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-muted);
}

/* ---------- 问题排查 ---------- */
.page-products .dl-issues {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .dl-issue {
  padding: 20px;
  border-radius: var(--dl-r);
  border: 1px solid var(--dl-line);
  border-left: 3px solid var(--amber);
  background: var(--panel);
}

.page-products .dl-issue__tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .dl-issue__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-issue__fix {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted);
}

/* ---------- 收尾 ---------- */
.page-products .dl-section--last {
  border-top: 1px solid var(--dl-line);
}

.page-products .dl-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .dl-next__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  text-decoration: none;
  color: inherit;
}

.page-products .dl-next__card .chip {
  align-self: flex-start;
}

.page-products .dl-next__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-next__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-muted);
}

.page-products .btn--inline {
  align-self: flex-start;
  margin-top: auto;
  pointer-events: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .dl-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .dl-issues .dl-issue:first-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 760px) {
  .page-products .dl-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .dl-tiers {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }

  .page-products .dl-format {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  }
}

@media (min-width: 1024px) {
  .page-products .dl-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .dl-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 18px 0 18px 18px;
    border-left: 1px solid var(--dl-line);
  }

  .page-products .dl-nav__title {
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  .page-products .dl-nav__item {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 8px 10px 8px 12px;
    margin-left: -19px;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-xs) var(--r-xs) 0;
    text-decoration: none;
    color: var(--ink-muted);
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }

  .page-products .dl-nav__item:hover {
    color: var(--ink);
    background: var(--panel);
  }

  .page-products .dl-nav__item.is-active {
    border-left-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: var(--panel);
  }

  .page-products .dl-nav__num {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }

  .page-products .dl-nav__label {
    font-size: 13.5px;
    line-height: 1.5;
  }

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

  .page-products .dl-device:nth-child(2),
  .page-products .dl-device:nth-child(4) {
    transform: translateY(14px);
  }

  .page-products .dl-device:nth-child(2):hover,
  .page-products .dl-device:nth-child(4):hover {
    transform: translateY(11px);
  }

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

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

  .page-products .dl-issues .dl-issue:first-child {
    grid-column: auto;
  }
}

@media (min-width: 1280px) {
  .page-products .dl-shell {
    grid-template-columns: 224px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-device,
  .page-products .dl-chart,
  .page-products .dl-nav__item,
  .page-products .accordion__trigger,
  .page-products .accordion__icon {
    transition: none;
  }

  .page-products .dl-device:hover,
  .page-products .dl-device:nth-child(2):hover,
  .page-products .dl-device:nth-child(4):hover {
    transform: none;
  }
}