.page-products {
  --pr-line: rgba(168, 189, 178, 0.22);
  --pr-line-strong: rgba(168, 189, 178, 0.42);
  --pr-panel-bg: #0F2E25;
  --pr-panel-2: #123A2E;
  --pr-gap: clamp(18px, 3vw, 32px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .pr-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 12px;
  padding-left: 26px;
  position: relative;
}

.page-products .pr-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--orange);
  transform: translateY(-50%);
}

.page-products .pr-lead {
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  line-height: 1.72;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 26px;
}

.page-products .pr-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.6vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-products .pr-sec__head {
  max-width: 72ch;
}

.page-products .pr-sec__intro {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1rem;
  max-width: 64ch;
}

/* ---------- hero ---------- */

.page-products .pr-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + clamp(24px, 5vw, 56px)) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(110% 85% at 84% 6%, rgba(200, 255, 61, 0.16), transparent 62%),
    radial-gradient(95% 70% at 6% 100%, rgba(255, 106, 43, 0.14), transparent 58%),
    var(--ink);
  border-bottom: 2px solid var(--pr-line);
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-products .pr-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 6.4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--paper);
}

.page-products .pr-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  list-style: none;
  padding: 0;
}

.page-products .pr-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pr-hero .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pr-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pr-hero__meta li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--pr-line);
  background: rgba(15, 46, 37, 0.65);
  padding: 7px 11px;
}

.page-products .pr-hero__figure {
  margin: 0;
  border: 2px solid var(--lime);
  box-shadow: var(--shadow-hard);
  background: var(--carbon);
}

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

/* ---------- 通用 section ---------- */

.page-products .pr-sec {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--pr-line);
}

.page-products .pr-sec--panel {
  background: var(--panel);
}

.page-products .pr-sec--carbon {
  background: var(--carbon);
}

.page-products .pr-figure {
  margin: 0;
  border: 2px solid var(--pr-line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--carbon);
}

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

/* ---------- 技能树 ---------- */

.page-products .pr-tree {
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 34px;
  position: relative;
  display: grid;
  gap: 16px;
}

.page-products .pr-tree::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime) 0%, var(--orange) 55%, rgba(168, 189, 178, 0.18) 100%);
}

.page-products .pr-tree__node {
  position: relative;
  background: var(--pr-panel-bg);
  border: 2px solid var(--pr-line);
  border-left: 4px solid var(--lime);
  padding: 18px 18px 20px;
  box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.45);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pr-tree__node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 24px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  box-shadow: 0 0 0 3px var(--ink);
}

.page-products .pr-tree__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--carbon);
  background: var(--lime);
  padding: 3px 9px;
  margin-bottom: 12px;
}

.page-products .pr-tree__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .pr-tree__body p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.96rem;
}

.page-products .pr-tree__hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--teal) !important;
  border-top: 1px dashed var(--pr-line);
  padding-top: 10px;
}

.page-products .pr-link {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pr-link:hover {
  color: var(--orange);
  border-bottom-color: var(--lime);
}

/* ---------- 步骤 ---------- */

.page-products .pr-banner {
  margin: 30px 0 26px;
  border: 2px solid var(--pr-line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--carbon);
}

.page-products .pr-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pr-step {
  background: var(--carbon);
  border: 2px solid var(--pr-line);
  border-top: 4px solid var(--orange);
  padding: 20px 18px 22px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pr-step__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .pr-step h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.18rem;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .pr-step p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.94rem;
}

.page-products .pr-step__see {
  font-family: var(--font-mono);
  font-size: 0.73rem !important;
  letter-spacing: 0.02em;
  color: var(--lime) !important;
  border-top: 1px solid var(--pr-line);
  padding-top: 10px;
  margin-bottom: 0 !important;
}

/* ---------- 设备同步 ---------- */

.page-products .pr-sync {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-products .pr-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pr-tabs__btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 10px 15px;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--pr-line);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pr-tabs__btn:not([aria-selected="true"]):hover {
  color: var(--paper);
  border-color: var(--lime);
}

.page-products .pr-tabs__btn[aria-selected="true"] {
  background: var(--lime);
  color: var(--carbon);
  border-color: var(--lime);
}

.page-products .pr-tabs__btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products .pr-tabs__panel {
  background: var(--pr-panel-2);
  border: 2px solid var(--pr-line);
  border-left: 4px solid var(--lime);
  padding: 22px 20px;
}

.page-products .pr-tabs__panel[hidden] {
  display: none;
}

.page-products .pr-tabs__panel h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.24rem;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .pr-tabs__panel p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.96rem;
}

.page-products .pr-tabs__note {
  font-family: var(--font-mono);
  font-size: 0.74rem !important;
  letter-spacing: 0.02em;
  color: var(--teal) !important;
  border-top: 1px dashed var(--pr-line);
  padding-top: 10px;
}

/* ---------- 会员中心 ---------- */

.page-products .pr-member {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-products .pr-caps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-cap {
  background: var(--pr-panel-2);
  border: 2px solid var(--pr-line);
  padding: 16px 16px 18px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pr-cap__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-products .pr-cap h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-products .pr-cap p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
  font-size: 0.9rem;
}

/* ---------- 版本与兼容 ---------- */

.page-products .pr-spec {
  margin: 30px 0 0;
  padding: 0;
  border-top: 2px solid var(--pr-line-strong);
}

.page-products .pr-spec__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pr-line);
}

.page-products .pr-spec dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-products .pr-spec dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.95rem;
}

/* ---------- 安装指引 ---------- */

.page-products .pr-install {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-products .pr-install__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pr-install__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: var(--pr-panel-bg);
  border: 2px solid var(--pr-line);
  padding: 16px 18px;
}

.page-products .pr-install__no {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-products .pr-install__item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-products .pr-install__item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.93rem;
}

/* ---------- FAQ ---------- */

.page-products .pr-faq {
  margin-top: 28px;
  border-top: 2px solid var(--pr-line-strong);
}

.page-products .pr-faq details {
  border-bottom: 1px solid var(--pr-line);
}

.page-products .pr-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 44px 18px 0;
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pr-faq summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--lime);
  line-height: 1;
}

.page-products .pr-faq details[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-products .pr-faq summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .pr-faq details p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.78;
  font-size: 0.95rem;
  max-width: 68ch;
}

/* ---------- CTA ---------- */

.page-products .pr-cta {
  display: grid;
  gap: 22px;
  background: linear-gradient(120deg, var(--pr-panel-bg) 0%, var(--ink) 72%);
  border: 2px solid var(--lime);
  padding: clamp(24px, 4vw, 44px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-cta .pr-h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 10px;
}

.page-products .pr-cta p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  max-width: 56ch;
}

.page-products .pr-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pr-cta__more {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-products .pr-cta__more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
}

.page-products .pr-cta__more a:hover {
  color: var(--orange);
}

/* ---------- hover ---------- */

@media (hover: hover) {
  .page-products .pr-tree__node:hover {
    transform: translate(-3px, -3px);
    border-color: var(--lime);
    box-shadow: 10px 10px 0 0 rgba(200, 255, 61, 0.18);
  }

  .page-products .pr-step:hover {
    transform: translateY(-3px);
    border-color: var(--lime);
  }

  .page-products .pr-cap:hover {
    border-color: var(--lime);
    transform: translateY(-2px);
  }
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-products .pr-caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-hero__figure img {
    aspect-ratio: 3 / 4;
  }
}

@media (min-width: 760px) {
  .page-products .pr-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-spec__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-products .pr-figure img {
    max-height: 460px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-products .pr-tree {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-left: 40px;
  }

  .page-products .pr-tree::before {
    left: 13px;
  }

  .page-products .pr-tree__node::before {
    left: -32px;
    top: 26px;
  }

  .page-products .pr-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pr-sync {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-products .pr-member {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-products .pr-install {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pr-figure img {
    max-height: none;
  }
}

@media (min-width: 1200px) {
  .page-products .pr-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tree__node,
  .page-products .pr-step,
  .page-products .pr-cap,
  .page-products .pr-tabs__btn,
  .page-products .pr-link,
  .page-products .pr-hero .breadcrumb a {
    transition: none;
  }

  .page-products .pr-tree__node:hover,
  .page-products .pr-step:hover,
  .page-products .pr-cap:hover {
    transform: none;
  }
}