.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 封面 ---------- */
.page-products .dl-cover {
  position: relative;
  background: var(--ink-green);
  color: var(--paper);
  padding: calc(var(--header-h) + 34px) 0 0;
  overflow: hidden;
}

.page-products .dl-cover::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -50px;
  width: 300px;
  height: 300px;
  background-image: radial-gradient(rgba(52, 231, 206, 0.26) 1.2px, transparent 1.3px);
  background-size: 12px 12px;
  pointer-events: none;
}

.page-products .dl-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: var(--orange);
}

.page-products .dl-cover .breadcrumb {
  position: relative;
  z-index: 1;
  margin: 0 0 30px;
}

.page-products .dl-cover .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(247, 241, 230, 0.6);
}

.page-products .dl-cover .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 241, 230, 0.34);
}

.page-products .dl-cover .breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-products .dl-cover .breadcrumb a:hover,
.page-products .dl-cover .breadcrumb a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products .dl-cover-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-bottom: 56px;
}

.page-products .dl-cover-eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-products .dl-cover h1 {
  margin: 0 0 24px;
  font-size: clamp(34px, 7.2vw, 74px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 17ch;
}

.page-products .dl-cover-lead {
  margin: 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.82);
}

.page-products .dl-cover-ports {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
  margin-top: 34px;
  max-width: 520px;
}

.page-products .dl-port {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 17px;
  border: 1px solid rgba(247, 241, 230, 0.26);
  border-radius: var(--radius);
  background: rgba(247, 241, 230, 0.04);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .dl-port:hover,
.page-products .dl-port:focus-visible {
  background: rgba(255, 106, 43, 0.16);
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .dl-port-os {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .dl-port-label {
  font-size: 14px;
  font-weight: 600;
}

.page-products .dl-cover-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 46px;
  margin: 46px 0 0;
  padding: 0;
}

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

.page-products .dl-cover-stat dt {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: rgba(247, 241, 230, 0.55);
}

.page-products .dl-cover-stat dd {
  margin: 0;
}

.page-products .dl-cover-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-products .dl-cover-shot {
  margin: 0;
  justify-self: center;
  width: 100%;
  max-width: 300px;
  padding: 10px;
  border: 1px solid rgba(247, 241, 230, 0.22);
  background: rgba(247, 241, 230, 0.05);
}

.page-products .dl-cover-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ---------- 主体双栏 ---------- */
.page-products .dl-body {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 90px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

/* ---------- 左侧索引 ---------- */
.page-products .dl-rail {
  padding: 40px 0 8px;
}

.page-products .dl-rail-inner {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}

.page-products .dl-rail-label {
  margin: 0 0 14px;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--gray);
}

.page-products .dl-rail-version {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 22px;
}

.page-products .dl-rail-version-num {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-green);
}

.page-products .dl-rail-version-cap {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .dl-rail-nav ol {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-products .dl-rail-nav li + li {
  border-top: 1px solid var(--rule);
}

.page-products .dl-rail-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-products .dl-rail-nav a span {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-products .dl-rail-nav a:hover,
.page-products .dl-rail-nav a:focus-visible {
  color: var(--orange);
  padding-left: 6px;
}

.page-products .dl-rail-cta {
  display: inline-block;
}

/* ---------- 画布与章节 ---------- */
.page-products .dl-canvas {
  min-width: 0;
}

.page-products .dl-section {
  padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 48px);
  background: var(--paper);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .dl-section--layer {
  background: var(--paper-layer);
}

.page-products .dl-section--deep {
  background: var(--ink-green);
  color: var(--paper);
}

.page-products .dl-sec-head {
  max-width: 62ch;
  margin-bottom: 34px;
}

.page-products .dl-sec-num {
  margin: 0 0 12px;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-products .dl-sec-head h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-products .dl-sec-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

.page-products .dl-section--deep .dl-sec-num {
  color: var(--cyan);
}

.page-products .dl-section--deep .dl-sec-lede {
  color: rgba(247, 241, 230, 0.78);
}

/* ---------- 三条产品线 ---------- */
.page-products .dl-lines {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-line {
  padding: 26px 0 26px 18px;
  border-top: 1px solid var(--rule);
  border-left: 3px solid transparent;
  transition: border-color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.page-products .dl-line:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-products .dl-line:hover {
  border-left-color: var(--orange);
  padding-left: 24px;
}

.page-products .dl-line-tag {
  margin: 0 0 8px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .dl-line-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .dl-line-body {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .dl-line-fit {
  margin: 0;
  font-size: 13.5px;
  color: var(--gray);
}

.page-products .dl-line-fit-key {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  background: var(--orange-soft);
  color: var(--ink-green);
  border-radius: var(--radius);
}

/* ---------- 图片通用 ---------- */
.page-products .dl-figure {
  margin: 34px 0 0;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--rule);
  max-width: 340px;
}

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

.page-products .dl-figure .media-caption {
  margin: 10px 2px 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .media--banner.dl-figure {
  max-width: 100%;
  background: var(--white);
}

.page-products .media--banner.dl-figure img {
  aspect-ratio: 16 / 9;
}

.page-products .dl-section--deep .dl-figure {
  background: rgba(247, 241, 230, 0.06);
  border-color: rgba(52, 231, 206, 0.3);
}

/* ---------- 评测功能 ---------- */
.page-products .dl-feats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-products .dl-feat {
  background: var(--white);
  padding: 24px 22px;
  transition: background 0.3s var(--ease);
}

.page-products .dl-feat:hover {
  background: #fffaf3;
}

.page-products .dl-feat-tag {
  margin: 0 0 10px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .dl-feat h3 {
  margin: 0 0 10px;
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.4;
}

.page-products .dl-feat p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 赛程对比看板 ---------- */
.page-products .dl-board {
  border-top: 1px solid rgba(52, 231, 206, 0.24);
  padding-top: 26px;
}

.page-products .dl-board-line {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 0 22px;
  opacity: 0.7;
}

.page-products .dl-board-line path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-products .dl-board-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-board-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid rgba(52, 231, 206, 0.2);
}

.page-products .dl-board-row:last-child {
  border-bottom: 1px solid rgba(52, 231, 206, 0.2);
}

.page-products .dl-board-key {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .dl-board-desc {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 241, 230, 0.82);
}

/* ---------- 版本演进 ---------- */
.page-products .dl-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .dl-versions::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 26px;
  width: 1px;
  background: var(--rule);
}

.page-products .dl-ver {
  position: relative;
  padding: 0 0 32px 34px;
}

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

.page-products .dl-ver::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--orange);
  background: var(--paper);
  transform: rotate(45deg);
  transition: background 0.3s var(--ease);
}

.page-products .dl-ver:hover::before {
  background: var(--orange);
}

.page-products .dl-ver-num {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .dl-ver h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.42;
}

.page-products .dl-ver p:last-child {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 安装适配 ---------- */
.page-products .dl-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-products .dl-inst {
  background: var(--white);
  padding: 24px 22px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .dl-inst-os {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .dl-inst h3 {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 800;
}

.page-products .dl-inst-steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.page-products .dl-inst-steps li {
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--gray);
}

.page-products .dl-inst-steps li::marker {
  font-family: var(--font-mono);
  color: var(--ink-green);
  font-weight: 700;
}

/* ---------- 使用帮助 ---------- */
.page-products .dl-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-products .dl-help-card {
  background: var(--paper);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .dl-help-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-products .dl-help-card p {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--gray);
}

.page-products .dl-link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .dl-link:hover,
.page-products .dl-link:focus-visible {
  color: var(--orange);
  border-color: var(--ink-green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .dl-feats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .dl-board-row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-products .dl-cover-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(32px, 5vw, 80px);
    padding-bottom: 76px;
  }

  .page-products .dl-cover-shot {
    max-width: 320px;
    justify-self: end;
  }

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

  .page-products .dl-lines {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
    border-bottom: 1px solid var(--rule);
  }

  .page-products .dl-line {
    border-top: 1px solid var(--rule);
    border-bottom: 0;
    padding: 26px 0 30px 16px;
  }

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

  .page-products .dl-line:hover {
    padding-left: 22px;
  }

  .page-products .dl-figure {
    max-width: 300px;
  }
}

@media (min-width: 1000px) {
  .page-products .dl-body {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-products .dl-rail {
    padding: 64px 0 0;
  }

  .page-products .dl-rail-inner {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (min-width: 1200px) {
  .page-products .dl-cover h1 {
    max-width: 15ch;
  }

  .page-products .dl-section {
    padding-left: clamp(40px, 4.4vw, 66px);
    padding-right: clamp(40px, 4.4vw, 66px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-port,
  .page-products .dl-line,
  .page-products .dl-rail-nav a,
  .page-products .dl-ver::before,
  .page-products .dl-link {
    transition: none;
  }

  .page-products .dl-port:hover {
    transform: none;
  }
}