.page-products {
  --dc-pad: clamp(16px, 4vw, 48px);
  --dc-gap: 14px;
  color: var(--ink);
  background: var(--bg);
}

.page-products .shell {
  padding-inline: var(--dc-pad);
}

/* ---------- 首屏 ---------- */
.page-products .dc-hero {
  position: relative;
  padding: 4px 0 34px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(34, 211, 238, .14), transparent 62%),
    radial-gradient(90% 70% at 2% 100%, rgba(57, 255, 136, .10), transparent 64%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg) 62%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .dc-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -46% 48%;
  height: 70%;
  background: linear-gradient(115deg, rgba(57, 255, 136, .10), transparent 72%);
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-products .dc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  padding-block: 18px 22px;
}

.page-products h1 {
  margin: 8px 0 14px;
  font-size: clamp(30px, 7.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -.03em;
  font-weight: 700;
  color: var(--white);
}

.page-products .dc-accent {
  color: var(--acc);
}

.page-products .dc-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .dc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .dc-hero__viz {
  position: relative;
}

.page-products .dc-ori {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin-inline: auto;
}

.page-products .dc-ori__glow { opacity: .5; }

.page-products .dc-ori__device {
  fill: none;
  stroke: var(--line-2);
  stroke-width: 2;
}

.page-products .dc-ori__screen { fill: var(--bg-2); }

.page-products .dc-ori__screen--acc {
  fill: var(--bg-3);
  stroke: var(--acc);
  stroke-width: 2;
}

.page-products .dc-ori__bar { fill: var(--muted); }
.page-products .dc-ori__node { fill: var(--cyan); }
.page-products .dc-ori__node--hi { fill: var(--acc); }

.page-products .dc-ori__rotor {
  transform-box: fill-box;
  transform-origin: 50% 50%;
  animation: dcTilt 7s ease-in-out infinite;
}

@keyframes dcTilt {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(0deg); }
}

/* ---------- 指标条 ---------- */
.page-products .dc-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .dc-stats__item {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: var(--bg-2);
}

.page-products .dc-stats__val {
  font-family: var(--mono);
  font-size: 28px;
  line-height: 1;
  color: var(--white);
  letter-spacing: -.02em;
}

.page-products .dc-stats__lab {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 筛选条 + 功能网格 ---------- */
.page-products .dc-feedwrap {
  padding-block: 26px 0;
}

.page-products .dc-filterbar {
  position: sticky;
  top: 60px;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  margin-bottom: 18px;
  background: linear-gradient(to bottom, var(--bg) 72%, rgba(11, 22, 34, 0));
  border-bottom: 1px solid var(--line);
}

.page-products .dc-feed {
  display: grid;
  gap: var(--dc-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dc-block {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-products .dc-block:hover {
  background: var(--bg-3);
  border-left-color: var(--acc);
}

.page-products .dc-block__no {
  font-family: var(--mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--acc);
}

.page-products .dc-block__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-products .dc-block__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .dc-block__tags {
  margin: auto 0 0;
  padding-top: 10px;
}

/* 纯 CSS 渐进筛选：JS 未接管时全部内容保持可见 */
.page-products .dc-feedwrap:has(.chip[data-filter="mobile"][aria-pressed="true"]) .dc-block:not([data-view~="mobile"]),
.page-products .dc-feedwrap:has(.chip[data-filter="pad"][aria-pressed="true"]) .dc-block:not([data-view~="pad"]),
.page-products .dc-feedwrap:has(.chip[data-filter="desktop"][aria-pressed="true"]) .dc-block:not([data-view~="desktop"]) {
  display: none;
}

/* ---------- 章节 ---------- */
.page-products .dc-sec {
  padding-block: 42px 0;
}

.page-products .dc-sec__head {
  padding-top: 20px;
  margin-bottom: 22px;
  border-top: 1px solid var(--line);
}

.page-products .dc-sec__head h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  font-size: clamp(21px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -.02em;
  font-weight: 700;
  color: var(--white);
}

.page-products .dc-sec__idx {
  flex: none;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--acc);
  padding-top: 2px;
}

.page-products .dc-sec__lead {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 三种视图 */
.page-products .dc-views {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dc-view {
  padding: 18px 18px 20px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-2);
  border-radius: var(--radius);
}

.page-products .dc-view--key {
  background: var(--bg-3);
  border-top-color: var(--acc);
}

.page-products .dc-view__badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, .45);
  border-radius: var(--radius);
}

.page-products .dc-view__badge--on {
  color: var(--bg);
  background: var(--acc);
  border-color: var(--acc);
  font-weight: 700;
}

.page-products .dc-view__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
}

.page-products .dc-view__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dc-view__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-products .dc-view__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .dc-view__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* 图文分栏 */
.page-products .dc-split {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dc-split__media {
  margin: 0;
}

.page-products .dc-split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-2);
}

.page-products .dc-figure__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .dc-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}

/* 步骤 */
.page-products .dc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .dc-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 15px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-products .dc-steps__n {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--acc);
}

/* 列表 */
.page-products .dc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .dc-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--acc);
}

/* 补录图例 */
.page-products .dc-legend {
  display: grid;
  gap: 10px;
}

.page-products .dc-legend__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .dc-legend__row p {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* 数据卡字段 */
.page-products .dc-fields {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .dc-fields__row {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--bg-2);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .dc-fields__row dt {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--white);
}

.page-products .dc-fields__row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* 迁移对照 */
.page-products .dc-split__media--wide {
  margin-bottom: 22px;
}

.page-products .dc-migrate {
  display: grid;
  gap: 10px;
}

.page-products .dc-migrate__row {
  display: grid;
  grid-template-columns: minmax(0, auto) 22px minmax(0, auto);
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .dc-migrate__from {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 122, 26, .8);
}

.page-products .dc-migrate__arrow {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--orange);
  text-align: center;
}

.page-products .dc-migrate__to {
  font-size: 14px;
  font-weight: 600;
  color: var(--acc);
}

.page-products .dc-migrate__row p {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.74;
  color: var(--muted);
}

.page-products .dc-migrate__more {
  margin: 18px 0 14px;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .dc-migrate__act {
  margin: 0;
}

/* 兼容清单 */
.page-products .dc-compat {
  display: grid;
  gap: 10px;
}

/* 尾部入口 */
.page-products .dc-cta {
  margin-top: 54px;
  padding-block: 42px 54px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  border-top: 1px solid var(--line);
}

.page-products .dc-cta__inner h2 {
  margin: 0 0 20px;
  font-size: clamp(20px, 3vw, 30px);
  letter-spacing: -.02em;
  color: var(--white);
}

.page-products .dc-cta__links {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dc-linkcard {
  display: grid;
  gap: 6px;
  padding: 18px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--acc);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--t-fast), border-bottom-color var(--t-fast);
}

.page-products .dc-linkcard:hover {
  background: var(--bg-3);
  border-bottom-color: var(--cyan);
}

.page-products .dc-linkcard__t {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-products .dc-linkcard__d {
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products {
    --dc-gap: 18px;
  }

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

  .page-products .dc-stats__val {
    font-size: 32px;
  }

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

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

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

  .page-products .dc-legend__row {
    grid-template-columns: 84px minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .dc-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 44px;
    padding-block: 34px 40px;
  }

  .page-products .dc-hero__lead {
    font-size: 16.5px;
  }

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

  .page-products .dc-split--rev .dc-split__media {
    order: 2;
  }

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

@media (min-width: 1200px) {
  .page-products .dc-feed {
    gap: 22px;
  }

  .page-products .dc-block {
    padding: 22px 22px 24px;
  }
}

@media (max-width: 420px) {
  .page-products .dc-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .dc-migrate__row {
    grid-template-columns: minmax(0, 1fr) 18px minmax(0, 1fr);
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dc-ori__rotor {
    animation: none;
  }

  .page-products .dc-block,
  .page-products .dc-linkcard {
    transition: none;
  }
}