.page-products {
  background: var(--ink-900);
  color: var(--glass-100);
  overflow-x: clip;
}

.page-products .container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

.page-products .section {
  position: relative;
  padding: clamp(52px, 7vw, 104px) 0;
}

.page-products .section--floor {
  background: var(--floor-050);
  color: var(--ink-900);
}

.page-products .section--floor .section__title {
  color: var(--ink-900);
}

.page-products .section--floor .section__lede,
.page-products .section--floor .prose {
  color: var(--ink-600);
}

.page-products .section--floor .tag {
  border-color: var(--line-light);
  color: var(--ink-600);
  background: rgba(7, 14, 34, .04);
}

.page-products .section--floor .tag--orange {
  border-color: rgba(255, 91, 31, .45);
  color: var(--orange-500);
  background: rgba(255, 91, 31, .09);
}

.page-products a {
  color: inherit;
}

.page-products .breadcrumb {
  margin: 0 0 clamp(20px, 3vw, 34px);
}

.page-products .breadcrumb__item {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grid-text);
  text-decoration: none;
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 10px;
  color: var(--grid-500);
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding-top: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(44px, 7vw, 92px);
  background:
    radial-gradient(54% 46% at 24% 14%, rgba(255, 91, 31, .20), transparent 68%),
    radial-gradient(48% 44% at 86% 4%, rgba(33, 212, 232, .16), transparent 72%),
    var(--ink-900);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(72% 62% at 42% 30%, #000, transparent 78%);
  mask-image: radial-gradient(72% 62% at 42% 30%, #000, transparent 78%);
  pointer-events: none;
}

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

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-products .prod-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-products .prod-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 76px);
  font-weight: 900;
  line-height: .99;
  letter-spacing: -.02em;
  color: var(--glass-100);
}

.page-products .prod-hero__title em {
  font-style: normal;
  color: var(--orange-500);
}

.page-products .prod-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: rgba(232, 240, 255, .8);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-products .prod-hero__panel {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(232, 240, 255, .07);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.page-products .prod-facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-products .prod-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-facts__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-facts__row:first-child {
  padding-top: 0;
}

.page-products .prod-facts__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grid-text);
}

.page-products .prod-facts__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--lime-400);
}

.page-products .prod-facts__unit {
  margin-left: 4px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grid-text);
}

/* ---------- 章节头 ---------- */

.page-products .prod-head {
  max-width: 880px;
}

.page-products .section-number {
  display: inline-block;
  position: relative;
  padding-left: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange-500);
}

.page-products .section-number::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--orange-500);
  transform: translateY(-50%);
}

.page-products .section__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 41px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--glass-100);
}

.page-products .section__lede {
  margin: 16px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(232, 240, 255, .76);
}

/* ---------- 核心功能 ---------- */

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

.page-products .prod-index__grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 44px);
  margin-top: clamp(28px, 4vw, 50px);
}

.page-products .prod-index__list {
  min-width: 0;
}

.page-products .prod-feature {
  border-bottom: 1px solid var(--line-dark);
}

.page-products .prod-feature:first-child {
  border-top: 1px solid var(--line-dark);
}

.page-products .prod-feature__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: clamp(18px, 2.2vw, 26px) 4px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .prod-feature__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--grid-text);
  transition: color .24s var(--ease);
}

.page-products .prod-feature__name {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  transition: color .24s var(--ease);
}

.page-products .prod-feature__trigger[aria-expanded="true"] .prod-feature__name {
  color: var(--orange-500);
}

.page-products .prod-feature__trigger[aria-expanded="true"] .prod-feature__num {
  color: var(--lime-400);
}

.page-products .prod-feature__trigger .disclosure__icon {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
}

.page-products .prod-feature__trigger .disclosure__icon::before,
.page-products .prod-feature__trigger .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--grid-text);
  transform: translate(-50%, -50%);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-products .prod-feature__trigger .disclosure__icon::before {
  width: 14px;
  height: 1.5px;
}

.page-products .prod-feature__trigger .disclosure__icon::after {
  width: 1.5px;
  height: 14px;
}

.page-products .prod-feature__trigger[aria-expanded="true"] .disclosure__icon::before {
  background: var(--orange-500);
}

.page-products .prod-feature__trigger[aria-expanded="true"] .disclosure__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-products .prod-feature__panel {
  overflow: hidden;
}

.page-products .prod-feature__panel[data-open="false"] {
  display: none;
}

.page-products .prod-feature__body {
  padding: 0 4px clamp(22px, 3vw, 34px);
}

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

.page-products .prod-feature__points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 240, 255, .78);
}

.page-products .prod-feature__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 2px;
  background: var(--cyan-400);
}

.page-products .prod-feature__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.page-products .prod-index__device {
  min-width: 0;
}

.page-products .prod-device {
  padding: 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(255, 91, 31, .16), rgba(33, 212, 232, .10));
}

.page-products .prod-device__frame {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-700);
}

.page-products .prod-device__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-device__caption {
  margin: 14px 4px 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grid-text);
}

/* ---------- 主客场面板 ---------- */

.page-products .prod-split__grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 46px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .prod-split__item + .prod-split__item {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .prod-split__h {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-products .prod-split__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-products .prod-split__viz {
  display: grid;
  gap: clamp(20px, 2.6vw, 28px);
  align-content: start;
  min-width: 0;
}

.page-products .prod-compare {
  display: grid;
  gap: 20px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.page-products .prod-compare__group {
  display: grid;
  gap: 10px;
}

.page-products .prod-compare__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--grid-500);
}

.page-products .prod-compare__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 12px;
}

.page-products .prod-compare__label {
  font-size: 13px;
  color: var(--ink-600);
}

.page-products .prod-compare__track {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: rgba(7, 14, 34, .07);
  overflow: hidden;
}

.page-products .prod-compare__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-products .prod-compare__fill--home {
  background: linear-gradient(90deg, var(--orange-500), var(--orange-300));
}

.page-products .prod-compare__fill--away {
  background: linear-gradient(90deg, var(--cyan-400), rgba(33, 212, 232, .55));
}

.page-products .prod-compare__val {
  font-family: var(--font-mono);
  font-size: 15px;
  text-align: right;
  color: var(--ink-900);
}

.page-products .prod-w-61 { width: 61%; }
.page-products .prod-w-43 { width: 43%; }
.page-products .prod-w-54 { width: 54%; }
.page-products .prod-w-46 { width: 46%; }
.page-products .prod-w-58 { width: 58%; }
.page-products .prod-w-42 { width: 42%; }

/* ---------- 适配清单 ---------- */

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

.page-products .prod-checklist__figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-products .prod-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 10px;
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-track__cell {
  display: grid;
  gap: 8px;
  padding: 14px 16px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(232, 240, 255, .05);
}

.page-products .prod-track__cell--done {
  border-color: rgba(255, 91, 31, .42);
  background: rgba(255, 91, 31, .12);
}

.page-products .prod-track__cell--current {
  border-color: var(--lime-400);
  box-shadow: 0 0 0 1px rgba(184, 255, 60, .35), 0 0 26px rgba(184, 255, 60, .18);
}

.page-products .prod-track__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grid-text);
}

.page-products .prod-track__cell--done .prod-track__no {
  color: var(--orange-300);
}

.page-products .prod-track__name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--glass-100);
}

.page-products .prod-track__state {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--grid-text);
}

.page-products .prod-track__cell--done .prod-track__state {
  color: var(--orange-300);
}

.page-products .prod-track__cell--current .prod-track__state {
  color: var(--lime-400);
}

.page-products .prod-checklist__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 240, 255, .76);
}

/* ---------- 版本时间轴 ---------- */

.page-products .prod-versions__media {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-products .prod-timeline {
  position: relative;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-timeline::before {
  content: "";
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 78px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange-500), var(--cyan-400), rgba(33, 212, 232, .1));
  opacity: .55;
}

.page-products .prod-timeline__node {
  display: grid;
  grid-template-columns: 62px 18px minmax(0, 1fr);
  column-gap: 10px;
  align-items: start;
  padding: 18px 0;
}

.page-products .prod-timeline__ver {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  text-align: right;
  color: var(--ink-900);
}

.page-products .prod-timeline__dot {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: 13px;
  height: 13px;
  margin-top: 5px;
  border: 2px solid var(--orange-500);
  border-radius: 50%;
  background: var(--floor-050);
}

.page-products .prod-timeline__node:last-child .prod-timeline__dot {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
}

.page-products .prod-timeline__body {
  min-width: 0;
}

.page-products .prod-timeline__h {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-products .prod-timeline__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-products .prod-timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-products .prod-versions__more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-products .prod-versions__more a,
.page-products .prod-faq__more a,
.page-products .prod-sync__foot a {
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 91, 31, .4);
  padding-bottom: 1px;
}

.page-products .prod-versions__more a:hover,
.page-products .prod-faq__more a:hover,
.page-products .prod-sync__foot a:hover {
  border-bottom-color: var(--orange-500);
}

/* ---------- 安装指引 ---------- */

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

.page-products .prod-install__grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 46px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .prod-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-products .prod-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .prod-steps__item:first-child {
  border-top: 1px solid var(--line-dark);
}

.page-products .prod-steps__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lime-400);
  padding-top: 4px;
}

.page-products .prod-steps__body {
  min-width: 0;
}

.page-products .prod-steps__h {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--glass-100);
}

.page-products .prod-steps__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 240, 255, .76);
}

.page-products .prod-install__aside {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  align-content: start;
  min-width: 0;
}

.page-products .prod-faq {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius);
}

.page-products .prod-faq__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--glass-100);
}

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

.page-products .prod-faq__list li {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 240, 255, .74);
  padding-left: 16px;
  position: relative;
}

.page-products .prod-faq__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 2px;
  background: var(--orange-500);
}

.page-products .prod-faq__list strong {
  color: var(--orange-300);
  font-weight: 700;
}

.page-products .prod-faq__more {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grid-text);
}

/* ---------- 更新与收藏 ---------- */

.page-products .prod-sync__grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .prod-sync__col {
  padding: clamp(22px, 2.8vw, 32px);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.page-products .prod-sync__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan-400);
}

.page-products .prod-sync__h {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink-900);
}

.page-products .prod-sync__col p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-products .prod-sync__col p:last-child {
  margin-bottom: 0;
}

.page-products .prod-sync__foot {
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: 1px solid var(--line-light);
}

.page-products .prod-sync__foot p {
  margin: 0;
  max-width: 56em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-products .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-700), var(--ink-600));
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .section--floor .media-frame__caption {
  color: var(--glass-100);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .prod-split__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 980px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
  }

  .page-products .prod-install__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-products .prod-index__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .prod-index__device {
    position: sticky;
    top: 96px;
  }

  .page-products .prod-compare__row {
    grid-template-columns: 52px minmax(0, 1fr) 56px;
  }
}

@media (max-width: 560px) {
  .page-products .prod-timeline::before {
    left: 62px;
  }

  .page-products .prod-timeline__node {
    grid-template-columns: 48px 16px minmax(0, 1fr);
    column-gap: 8px;
  }

  .page-products .prod-timeline__ver {
    font-size: 16px;
  }

  .page-products .prod-compare__row {
    grid-template-columns: 40px minmax(0, 1fr) 44px;
    gap: 8px;
  }

  .page-products .prod-track {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-feature__trigger .disclosure__icon::before,
  .page-products .prod-feature__trigger .disclosure__icon::after,
  .page-products .prod-feature__num,
  .page-products .prod-feature__name {
    transition: none;
  }
}