.page-products {
  --pdp-pad: clamp(48px, 7vw, 92px);
  --pdp-line: rgba(43, 245, 200, 0.24);
  --pdp-panel: rgba(14, 47, 42, 0.72);
  --pdp-panel-soft: rgba(18, 66, 59, 0.5);
}

/* ---------- 首屏 ---------- */
.page-products .pdp-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 52px) 0 56px;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(10, 59, 56, 0.95) 0%, rgba(7, 33, 29, 0) 62%),
    radial-gradient(80% 70% at 96% 88%, rgba(31, 216, 180, 0.16) 0%, rgba(7, 33, 29, 0) 70%);
}

.page-products .pdp-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(43, 245, 200, 0.18), rgba(7, 33, 29, 0));
  pointer-events: none;
}

.page-products .pdp-hero__grid {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-products .pdp-hero__copy {
  max-width: 640px;
}

.page-products .pdp-hero__eyebrow {
  margin: 18px 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-products .pdp-hero__title {
  margin: 0;
  font-size: clamp(30px, 7.6vw, 58px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pdp-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cyan-300);
}

.page-products .pdp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pdp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pdp-hero__stats .stat {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--pdp-line);
  background: linear-gradient(160deg, rgba(18, 66, 59, 0.7), rgba(7, 33, 29, 0.6));
}

.page-products .pdp-hero__stats .stat__value {
  display: block;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan-500);
  letter-spacing: -0.01em;
}

.page-products .pdp-hero__stats .stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-products .pdp-hero__media {
  margin: 0;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-products .pdp-hero__media img {
  border: 1px solid var(--pdp-line);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
}

.page-products .media-frame__caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 章节导航 ---------- */
.page-products .pdp-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  padding: 12px 0;
  background: rgba(7, 33, 29, 0.92);
  border-block: 1px solid var(--pdp-line);
  backdrop-filter: blur(10px);
}

.page-products .pdp-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pdp-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-products .pdp-toc__title {
  flex: none;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .pdp-toc .toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: none;
}

.page-products .pdp-toc .toc__list a {
  display: inline-block;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 13px;
  white-space: nowrap;
  color: var(--cyan-300);
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pdp-toc .toc__list a:hover,
.page-products .pdp-toc .toc__list a[aria-current="true"] {
  background: rgba(43, 245, 200, 0.12);
  border-color: var(--pdp-line);
  color: var(--paper);
}

/* ---------- 通用章节 ---------- */
.page-products .pdp-sec {
  padding: var(--pdp-pad) 0;
}

.page-products .pdp-sec--tight {
  padding-top: calc(var(--pdp-pad) * 0.7);
}

.page-products .pdp-sec--panel {
  background: linear-gradient(180deg, rgba(18, 66, 59, 0.35), rgba(7, 33, 29, 0));
}

.page-products .pdp-head {
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}

.page-products .section__title {
  margin: 6px 0 0;
  font-size: clamp(23px, 5vw, 38px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .section__eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-products .section__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-products .pdp-inline-link {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pdp-inline-link a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid var(--pdp-line);
}

.page-products .pdp-inline-link a:hover {
  color: var(--paper);
}

/* ---------- 能力清单 ---------- */
.page-products .pdp-features {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pdp-feature;
}

.page-products .pdp-feature {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(43, 245, 200, 0.14);
  border-left: 3px solid var(--cyan-500);
  background: var(--pdp-panel);
}

.page-products .pdp-feature__num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: rgba(143, 243, 222, 0.55);
}

.page-products .pdp-feature__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pdp-feature__text {
  margin: 8px 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 斜切索引带 ---------- */
.page-products .skew-band {
  margin: 8px 0;
}

.page-products .skew-band__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

/* ---------- 系统要求 ---------- */
.page-products .pdp-specs {
  display: grid;
  gap: 14px;
}

.page-products .pdp-specs__col {
  padding: 22px 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--pdp-line);
  background: linear-gradient(155deg, var(--pdp-panel-soft), rgba(7, 33, 29, 0.7));
}

.page-products .pdp-specs__title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cyan-500);
}

.page-products .pdp-specs__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pdp-specs__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(138, 168, 161, 0.24);
}

.page-products .pdp-specs__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pdp-specs__key {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pdp-specs__val {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  text-align: right;
}

.page-products .pdp-specs__figure {
  margin: 26px 0 0;
}

.page-products .pdp-specs__figure img {
  border: 1px solid var(--pdp-line);
}

/* ---------- 三步排查 ---------- */
.page-products .pdp-flow {
  margin: 0 0 26px;
}

.page-products .pdp-flow img {
  border: 1px solid var(--pdp-line);
}

.page-products .pdp-steps {
  display: grid;
  gap: 14px;
}

.page-products .pdp-step {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--pdp-line);
  background: var(--pdp-panel);
  overflow: hidden;
}

.page-products .pdp-step__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .pdp-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pdp-step__num {
  flex: none;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(43, 245, 200, 0.14);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-500);
}

.page-products .pdp-step__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pdp-step__summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--cyan-300);
}

.page-products .pdp-step[open] .pdp-step__summary::after {
  content: "–";
}

.page-products .pdp-step__body {
  padding: 0 18px 20px;
  border-top: 1px dashed rgba(43, 245, 200, 0.18);
}

.page-products .pdp-step__body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pdp-step__arrow {
  display: none;
}

/* ---------- 对照与收藏 ---------- */
.page-products .pdp-console {
  display: grid;
  gap: 24px;
}

.page-products .pdp-console__panels {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pdp-tip {
  border-radius: var(--r-md);
  background: linear-gradient(140deg, rgba(18, 66, 59, 0.66), rgba(7, 33, 29, 0.6));
  border: 1px solid rgba(43, 245, 200, 0.16);
}

.page-products .pdp-tip__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 800;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-products .pdp-tip__summary::-webkit-details-marker {
  display: none;
}

.page-products .pdp-tip__summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-500);
  box-shadow: 0 0 0 4px rgba(43, 245, 200, 0.16);
}

.page-products .pdp-tip__body {
  padding: 0 18px 18px;
}

.page-products .pdp-tip__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pdp-tip__list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--cyan-300);
}

.page-products .pdp-console__figure {
  margin: 0;
}

.page-products .pdp-console__figure img {
  border: 1px solid var(--pdp-line);
}

/* ---------- 下载与安装 ---------- */
.page-products .pdp-channels {
  display: grid;
  gap: 12px;
}

.page-products .pdp-channel {
  padding: 20px 18px;
  border-radius: var(--r-md);
  background: var(--pdp-panel);
  border: 1px solid rgba(43, 245, 200, 0.16);
}

.page-products .pdp-channel__label {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

.page-products .pdp-channel__title {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pdp-channel__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pdp-install {
  display: grid;
  gap: 24px;
  margin-top: 34px;
  padding: 24px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--pdp-line);
  background: linear-gradient(200deg, rgba(10, 59, 56, 0.75), rgba(7, 33, 29, 0.85));
}

.page-products .pdp-install__figure {
  margin: 0;
}

.page-products .pdp-install__figure img {
  border-radius: var(--r-md);
  border: 2px solid rgba(43, 245, 200, 0.35);
}

.page-products .pdp-install__title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 900;
  color: var(--paper);
}

.page-products .pdp-install__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pdp-install__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(138, 168, 161, 0.22);
}

.page-products .pdp-install__item:last-child {
  border-bottom: 0;
}

.page-products .pdp-install__index {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan-500);
}

.page-products .pdp-install__item strong {
  display: block;
  font-size: 15px;
  color: var(--paper);
}

.page-products .pdp-install__item p {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pdp-install__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--warn);
}

/* ---------- 版本记录 ---------- */
.page-products .notice {
  margin: 0 0 22px;
}

.page-products .pdp-versions {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pdp-line);
}

.page-products .pdp-version {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(138, 168, 161, 0.24);
}

.page-products .pdp-version__tag {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-500);
}

.page-products .pdp-version__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 常见卡点 ---------- */
.page-products .pdp-issues {
  display: grid;
  gap: 10px;
}

.page-products .pdp-issue {
  border-radius: var(--r-md);
  border: 1px solid rgba(43, 245, 200, 0.14);
  background: var(--pdp-panel);
}

.page-products .pdp-issue__q {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-products .pdp-issue__q::-webkit-details-marker {
  display: none;
}

.page-products .pdp-issue__q::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-num);
  color: var(--cyan-300);
}

.page-products .pdp-issue[open] .pdp-issue__q::after {
  content: "－";
}

.page-products .pdp-issue__a {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  border-top: 1px dashed rgba(43, 245, 200, 0.16);
  padding-top: 14px;
}

/* ---------- 收尾 ---------- */
.page-products .pdp-cta {
  padding: 0 0 var(--pdp-pad);
}

.page-products .pdp-cta__inner {
  padding: 32px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--pdp-line);
  background:
    radial-gradient(90% 130% at 0% 0%, rgba(31, 216, 180, 0.22), rgba(7, 33, 29, 0) 62%),
    linear-gradient(150deg, rgba(18, 66, 59, 0.85), rgba(7, 33, 29, 0.9));
}

.page-products .pdp-cta__title {
  margin: 0;
  font-size: clamp(21px, 4.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .pdp-cta__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cyan-300);
}

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

.page-products .pdp-cta__meta {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pdp-cta__meta a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid var(--pdp-line);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-products .pdp-hero {
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: 72px;
  }

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

  .page-products .pdp-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 26px;
  }

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

  .page-products .pdp-feature:first-child {
    grid-column: span 2;
  }

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

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

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

  .page-products .pdp-install {
    padding: 30px 28px;
  }

  .page-products .pdp-cta__inner {
    padding: 44px 40px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 960px) {
  .page-products .pdp-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .pdp-hero__lede {
    font-size: 16px;
  }

  .page-products .pdp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
  }

  .page-products .pdp-step__arrow {
    display: inline;
    position: absolute;
    top: 46px;
    right: -22px;
    font-family: var(--font-num);
    font-size: 20px;
    color: var(--cyan-500);
  }

  .page-products .pdp-step:last-child .pdp-step__arrow {
    display: none;
  }

  .page-products .pdp-console {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pdp-install {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
    gap: 40px;
    margin-top: 46px;
  }

  .page-products .pdp-version {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 22px;
    padding: 20px 0;
  }

  .page-products .pdp-versions {
    max-width: 900px;
  }
}

@media (min-width: 1180px) {
  .page-products .pdp-hero__title {
    font-size: 60px;
  }

  .page-products .pdp-sec {
    padding: 104px 0;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pdp-toc {
    position: static;
  }

  .page-products .pdp-toc .toc__list a {
    transition: none;
  }
}