/* ==========================================================
   版本方案中心 · page-products
   ========================================================== */

.page-products {
  --pp-text-body: #454a53;
  --pp-text-mute: #6f7683;
  --pp-line-soft: rgba(11, 13, 16, .12);
  background: var(--rb-cream);
  color: var(--rb-ink);
  overflow-x: hidden;
}

.page-products a {
  text-decoration: none;
}

/* ---------- Hero ---------- */

.page-products .pp-hero {
  position: relative;
  background: var(--rb-black);
  color: var(--rb-paper);
  padding: calc(var(--rb-header-h) + 30px) 0 62px;
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 193, 78, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 193, 78, .06) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 27, 36, .42), transparent 68%);
  pointer-events: none;
}

.page-products .pp-hero > .rb-container {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__crumb {
  margin-bottom: 38px;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-products .pp-hero__crumb a,
.page-products .pp-hero__crumb span {
  color: rgba(255, 253, 249, .58);
}

.page-products .pp-hero__crumb a:hover {
  color: var(--rb-gold);
}

.page-products .pp-hero__crumb [aria-current="page"] {
  color: var(--rb-gold);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 38px;
}

.page-products .pp-hero__eyebrow {
  color: var(--rb-gold);
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
}

.page-products .pp-hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 8vw, 72px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--rb-paper);
}

.page-products .pp-hero__lead {
  margin: 24px 0 0;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.88;
  color: rgba(255, 253, 249, .76);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.page-products .pp-hero__panel {
  position: relative;
  border-left: 3px solid var(--rb-red);
  background: linear-gradient(155deg, rgba(23, 26, 32, .94), rgba(11, 13, 16, .7));
  padding: 26px 24px 24px;
}

.page-products .pp-panel__label {
  margin: 0;
  font-family: var(--rb-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--rb-gray);
}

.page-products .pp-panel__version {
  margin: 12px 0 0;
  font-family: var(--rb-font-mono);
  font-size: 62px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--rb-gold);
}

.page-products .pp-panel__desc {
  margin: 10px 0 0;
  font-size: 15px;
  color: rgba(255, 253, 249, .82);
}

.page-products .pp-hero__stats {
  list-style: none;
  margin: 24px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--rb-line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pp-stat-num {
  display: block;
  font-family: var(--rb-font-mono);
  font-size: 22px;
  line-height: 1.2;
  color: var(--rb-paper);
}

.page-products .pp-stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--rb-gray);
}

/* ---------- 通用区块头部 ---------- */

.page-products .pp-head {
  max-width: 720px;
  margin-bottom: 34px;
}

.page-products .pp-head .rb-eyebrow {
  color: var(--rb-bronze);
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-products .pp-head .rb-section-title {
  margin: 12px 0 0;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--rb-ink);
}

.page-products .pp-head .rb-section-note {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--pp-text-mute);
}

.page-products .pp-lead {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--pp-text-body);
}

/* ---------- 图片通用 ---------- */

.page-products .pp-fig {
  margin: 0;
}

.page-products .pp-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-products .pp-fig .rb-media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pp-text-mute);
}

/* ---------- 版本矩阵 ---------- */

.page-products .pp-matrix {
  padding: 70px 0 78px;
  background: var(--rb-cream);
}

.page-products .pp-matrix__fig {
  margin-bottom: 42px;
}

.page-products .pp-tabs {
  border-top: 1px solid var(--pp-line-soft);
  padding-top: 4px;
}

.page-products .pp-tabs .rb-tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-tabs .rb-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-products .pp-tabs .rb-tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--pp-text-mute);
  padding: 15px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .18s var(--rb-ease), border-color .18s var(--rb-ease);
}

.page-products .pp-tabs .rb-tabs__tab:hover {
  color: var(--rb-ink);
}

.page-products .pp-tabs .rb-tabs__tab[aria-selected="true"] {
  color: var(--rb-ink);
  border-bottom-color: var(--rb-red);
}

.page-products .pp-panels {
  padding: 30px 0 0;
}

.page-products .rb-tabs__panel + .rb-tabs__panel {
  margin-top: 34px;
}

.page-products .pp-plan__name {
  margin: 0;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--rb-ink);
}

.page-products .pp-plan__lead {
  margin: 12px 0 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pp-text-body);
}

.page-products .pp-plan__facts {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line-soft);
}

.page-products .pp-plan__facts > div {
  background: var(--rb-paper);
  padding: 17px 18px;
}

.page-products .pp-plan__facts dt {
  font-family: var(--rb-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--rb-bronze);
}

.page-products .pp-plan__facts dd {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rb-ink);
}

/* ---------- 平板横屏 ---------- */

.page-products .pp-land {
  padding: 66px 0 74px;
  background: var(--rb-paper);
}

.page-products .pp-split {
  display: grid;
  gap: 32px;
}

.page-products .pp-split__body .rb-section-title {
  margin: 12px 0 0;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--rb-ink);
}

.page-products .pp-split__body .rb-eyebrow {
  color: var(--rb-bronze);
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-products .pp-checks {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-checks li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pp-text-body);
}

.page-products .pp-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 9px;
  height: 9px;
  background: var(--rb-red);
}

.page-products .pp-checks strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--rb-ink);
}

/* ---------- 收藏与同步 ---------- */

.page-products .pp-save {
  padding: 66px 0 74px;
  background: var(--rb-paper-2);
}

.page-products .pp-save__grid {
  display: grid;
  gap: 36px;
}

.page-products .pp-save__body .rb-section-title {
  margin: 12px 0 0;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--rb-ink);
}

.page-products .pp-save__body .rb-eyebrow {
  color: var(--rb-bronze);
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-products .pp-save__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pp-save__facts li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-fact-index {
  font-family: var(--rb-font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--rb-red);
}

.page-products .pp-save__facts h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--rb-ink);
}

.page-products .pp-save__facts p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-text-body);
}

/* ---------- 三步接入路径 ---------- */

.page-products .pp-path {
  padding: 68px 0 76px;
  background: var(--rb-cream);
}

.page-products .pp-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pp-node {
  position: relative;
  z-index: 1;
  border: 1px solid var(--pp-line-soft);
  border-top: 3px solid var(--rb-red);
  background: var(--rb-paper);
  padding: 24px 22px 26px;
  transition: border-color .18s var(--rb-ease), transform .18s var(--rb-ease);
}

.page-products .pp-node:hover {
  border-color: var(--rb-bronze);
  border-top-color: var(--rb-red);
  transform: translateY(-3px);
}

.page-products .pp-node__num {
  display: inline-block;
  font-family: var(--rb-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--rb-paper);
  background: var(--rb-ink);
  padding: 5px 10px;
}

.page-products .pp-node__title {
  margin: 16px 0 0;
  font-size: 20px;
  font-weight: 900;
  color: var(--rb-ink);
}

.page-products .pp-node__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-text-body);
}

.page-products .pp-node__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(201, 146, 47, .45);
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--rb-bronze);
}

.page-products .pp-path__fig {
  margin-top: 44px;
}

/* ---------- 设备与场景 ---------- */

.page-products .pp-devices {
  padding: 68px 0 76px;
  background: var(--rb-black);
  color: var(--rb-paper);
}

.page-products .pp-head--dark .rb-eyebrow {
  color: var(--rb-gold);
}

.page-products .pp-head--dark .rb-section-title {
  color: var(--rb-paper);
}

.page-products .pp-head--dark .rb-section-note {
  color: rgba(255, 253, 249, .6);
}

.page-products .pp-devices__fig {
  margin-bottom: 36px;
}

.page-products .pp-devices__fig .rb-media__caption {
  color: var(--rb-gray);
}

.page-products .pp-scenes {
  display: grid;
  gap: 16px;
}

.page-products .pp-scene {
  border: 1px solid rgba(242, 193, 78, .2);
  background: var(--rb-ink);
  padding: 22px 20px 24px;
  transition: border-color .18s var(--rb-ease), transform .18s var(--rb-ease);
}

.page-products .pp-scene:hover {
  border-color: var(--rb-gold);
  transform: translateY(-3px);
}

.page-products .pp-scene__tag {
  display: inline-block;
  font-family: var(--rb-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--rb-ink);
  background: var(--rb-gold);
  padding: 4px 10px;
}

.page-products .pp-scene__title {
  margin: 16px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--rb-paper);
}

.page-products .pp-scene__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 253, 249, .66);
}

/* ---------- 适配答疑 ---------- */

.page-products .pp-faq {
  padding: 68px 0 76px;
  background: var(--rb-paper);
}

.page-products .pp-faq__list {
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-q {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-q summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 20px 40px 20px 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--rb-ink);
}

.page-products .pp-q summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-q summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 17px;
  font-family: var(--rb-font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--rb-red);
}

.page-products .pp-q[open] summary::after {
  content: "\2212";
  color: var(--rb-bronze);
}

.page-products .pp-q p {
  margin: 0 0 22px;
  padding-right: 20px;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--pp-text-body);
}

/* ---------- 底部行动 ---------- */

.page-products .pp-cta {
  position: relative;
  overflow: hidden;
  background: var(--rb-ink);
  color: var(--rb-paper);
  padding: 62px 0 66px;
}

.page-products .pp-cta::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 100%;
  background: var(--rb-red);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  opacity: .2;
  pointer-events: none;
}

.page-products .pp-cta__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-cta__title {
  margin: 0;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--rb-paper);
}

.page-products .pp-cta__text {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 253, 249, .72);
}

.page-products .pp-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

/* ==========================================================
   响应式
   ========================================================== */

@media (min-width: 680px) {
  .page-products .pp-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding: calc(var(--rb-header-h) + 44px) 0 84px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 52px;
    align-items: center;
  }

  .page-products .pp-save__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pp-path__list {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pp-path__list::before {
    content: "";
    position: absolute;
    top: 48px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, var(--rb-red), var(--rb-gold), var(--rb-red));
    opacity: .45;
    z-index: 0;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-scenes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-matrix,
  .page-products .pp-land,
  .page-products .pp-save,
  .page-products .pp-path,
  .page-products .pp-devices,
  .page-products .pp-faq {
    padding-top: 82px;
    padding-bottom: 90px;
  }
}

@media (max-width: 420px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-panel__version {
    font-size: 52px;
  }

  .page-products .pp-save__facts li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
}