.page-products {
  --phone-w: 240px;
  --phone-h: 480px;
  --qr-size: 160px;
  position: relative;
  background:
    radial-gradient(1000px 420px at 85% -5%, rgba(108,75,142,.18), transparent 60%),
    radial-gradient(760px 300px at 8% 18%, rgba(58,124,165,.12), transparent 55%);
}

/* ===== 框景首屏 ===== */
.page-products .products-hero {
  position: relative;
  padding-top: calc(var(--header-height) + 2.5rem);
  padding-bottom: 3rem;
  overflow: hidden;
}

.page-products .products-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

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

.page-products .products-hero__tag {
  margin-top: 1.25rem;
}

.page-products .products-hero__title {
  margin: 1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--c-silver);
  text-wrap: balance;
}

.page-products .hero-accent {
  color: var(--c-accent);
}

.page-products .products-hero__desc {
  margin: 1rem 0 0;
  max-width: 34em;
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.page-products .products-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.page-products .products-hero__stats .stat {
  display: grid;
  gap: .25rem;
}

.page-products .products-hero__stats .stat-number {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: .02em;
  color: var(--c-accent);
}

.page-products .products-hero__stats .stat-label {
  font-size: .8125rem;
  color: var(--text-muted);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-top: 1.75rem;
}

.page-products .products-hero__device {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 500px;
}

.page-products .phone-frame {
  position: relative;
  width: var(--phone-w);
  padding: 10px;
  background: linear-gradient(150deg, #12264f, #081731 72%);
  border: 1px solid rgba(230,232,238,.28);
  border-radius: 40px;
  box-shadow: 0 40px 80px rgba(0,0,0,.5), 0 0 0 6px rgba(230,232,238,.05), 0 0 60px rgba(108,75,142,.28);
}

.page-products .phone-screen {
  width: 100%;
  height: calc(var(--phone-h) - 20px);
  border-radius: 30px;
  overflow: hidden;
  background: linear-gradient(180deg, #0A1F44, #061126);
}

.page-products .phone-screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: block;
  width: 72px;
  height: 20px;
  border-radius: 999px;
  background: #061126;
  z-index: 2;
}

.page-products .phone-float {
  position: absolute;
  right: 2%;
  bottom: 10%;
  display: flex;
  align-items: center;
  gap: .75rem;
  max-width: 220px;
  padding: .875rem 1.125rem;
  border-radius: 14px;
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}

.page-products .phone-float strong {
  display: block;
  font-size: .9375rem;
  color: var(--c-silver);
}

.page-products .phone-float small {
  display: block;
  margin-top: 2px;
  font-size: .75rem;
  color: var(--text-muted);
}

.page-products .phone-float__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-moss);
  box-shadow: 0 0 0 4px rgba(95,122,97,.25);
}

@media (min-width: 640px) {
  .page-products .products-hero__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .page-products .products-hero__stats .stat-number {
    font-size: 1.375rem;
  }
}

@media (min-width: 900px) {
  .page-products .products-hero {
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 4rem;
  }
  .page-products .products-hero__inner {
    grid-template-columns: 1.08fr .92fr;
    gap: 3rem;
  }
  .page-products .products-hero__device {
    min-height: 560px;
  }
}

/* ===== 页内目录 ===== */
.page-products .products-section-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: .75rem;
  overflow-x: auto;
  padding: .625rem 1rem;
  background: rgba(10,31,68,.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid transparent;
  border-bottom: 1px solid var(--border-light);
  scrollbar-width: none;
}

.page-products .products-section-nav::-webkit-scrollbar {
  display: none;
}

.page-products .products-section-nav .section-nav-title {
  flex: 0 0 auto;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-products .products-section-nav button {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  padding: .375rem .5rem;
  color: var(--text-muted);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.page-products .products-section-nav button:hover,
.page-products .products-section-nav button:focus-visible {
  color: var(--c-accent);
  border-bottom-color: rgba(242,182,50,.55);
}

@media (min-width: 1100px) {
  .page-products .products-section-nav {
    padding-left: calc((100% - var(--container-width)) / 2 + 1rem);
    padding-right: calc((100% - var(--container-width)) / 2 + 1rem);
  }
}

/* ===== Bento 版本亮点 ===== */
.page-products .highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.25rem;
}

.page-products .highlights-grid .bento-tile {
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform .25s ease, background .25s ease;
}

.page-products .highlights-grid .bento-tile:hover {
  transform: translateY(-3px);
}

.page-products .tile-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  color: var(--c-accent);
  font-family: var(--font-display);
  font-size: .75rem;
}

.page-products .highlights-grid .bento-tile h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.35;
  color: var(--c-silver);
}

.page-products .highlights-grid .bento-tile p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-products .highlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.25rem;
}

.page-products .highlights-grid .bento-tile.bento-tile--accent {
  background: linear-gradient(145deg, rgba(242,182,50,.95), rgba(242,182,50,.82));
  border-color: var(--c-accent);
}

.page-products .highlights-grid .bento-tile.bento-tile--accent h3,
.page-products .highlights-grid .bento-tile.bento-tile--accent .tile-index {
  color: #0A1F44;
  border-color: #0A1F44;
}

.page-products .highlights-grid .bento-tile.bento-tile--accent p {
  color: #3b3118;
}

.page-products .highlights-grid .bento-tile.bento-tile--cream {
  background: var(--c-cream);
  border-color: rgba(242,182,50,.35);
}

.page-products .highlights-grid .bento-tile.bento-tile--cream h3,
.page-products .highlights-grid .bento-tile.bento-tile--cream .tile-index {
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.page-products .highlights-grid .bento-tile.bento-tile--cream p {
  color: #46536b;
}

.page-products .update-figure {
  margin-top: 1.125rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.page-products .compare-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-products .compare-badges {
  display: flex;
  align-items: center;
  gap: .625rem;
}

.page-products .compare-pill {
  display: inline-flex;
  align-items: center;
  padding: .5rem .875rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: .8125rem;
  letter-spacing: .03em;
  white-space: nowrap;
}

.page-products .compare-pill--old {
  background: #E6E8EE;
  color: #0A1F44;
}

.page-products .compare-pill--new {
  background: var(--c-accent);
  color: #0A1F44;
}

.page-products .compare-arrow {
  color: var(--c-clay);
  font-size: 1.125rem;
}

@media (min-width: 640px) {
  .page-products .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.125rem;
  }
  .page-products .highlights-grid .bento-tile--wide {
    grid-column: span 2;
  }
  .page-products .highlights-compare {
    grid-column: 1 / -1;
  }
  .page-products .compare-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 960px) {
  .page-products .highlights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .highlights-grid .bento-tile--wide:not(.highlights-compare) {
    grid-column: span 2;
  }
  .page-products .highlights-compare {
    grid-column: 1 / -1;
  }
}

/* ===== 功能列表 ===== */
.page-products .features-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2.25rem;
}

.page-products .tabs-list {
  display: flex;
  gap: .375rem;
  overflow-x: auto;
  padding: .375rem;
  margin-bottom: 1.25rem;
  background: rgba(230,232,238,.06);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  scrollbar-width: none;
}

.page-products .tabs-list::-webkit-scrollbar {
  display: none;
}

.page-products .tabs-list .tabs-trigger {
  flex: 1 0 auto;
  border: 0;
  background: transparent;
  padding: .625rem 1.125rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font: inherit;
  font-size: .875rem;
  white-space: nowrap;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.page-products .tabs-list .tabs-trigger:hover,
.page-products .tabs-list .tabs-trigger:focus-visible {
  background: rgba(230,232,238,.08);
  color: var(--c-silver);
}

.page-products .tabs-list .tabs-trigger[data-active="true"],
.page-products .tabs-list .tabs-trigger[aria-selected="true"] {
  background: var(--c-accent);
  color: #0A1F44;
}

.page-products .tabs-panel {
  display: block;
  padding: 1.5rem;
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.page-products .tabs-panel h3 {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--c-accent);
}

.page-products .tabs-panel p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .feature-list {
  display: grid;
  gap: .75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feature-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--c-silver);
}

.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: .5em;
  height: .5em;
  background: var(--c-accent);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-products .feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  margin-top: 1.5rem;
}

.page-products .skew-tag {
  display: inline-flex;
  align-items: center;
  padding: .375rem .9375rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: #fff;
  background: var(--c-banner-blue);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-products .skew-tag--yellow {
  background: var(--c-accent);
  color: #0A1F44;
}

.page-products .skew-tag--green {
  background: var(--c-moss);
}

.page-products .skew-tag--red {
  background: var(--c-clay);
}

.page-products .features-aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .features-aside .media-frame,
.page-products .download-media .media-frame,
.page-products .version-figure {
  overflow: hidden;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.page-products .features-aside .media-frame img,
.page-products .download-media .media-frame img,
.page-products .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .feature-note {
  padding: .875rem 1rem;
  border-left: 3px solid var(--c-banner-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(58,124,165,.12);
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--text-muted);
}

@media (min-width: 900px) {
  .page-products .features-layout {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
  .page-products .tabs-panel {
    min-height: 280px;
  }
}

/* ===== 下载方式 ===== */
.page-products .download-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2.25rem;
}

.page-products .download-card {
  padding: 1.75rem;
  background: linear-gradient(160deg, rgba(242,182,50,.08), transparent 40%), var(--surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.page-products .qr-block {
  display: grid;
  justify-items: center;
  gap: .75rem;
}

.page-products .qr-btn {
  border: 0;
  background: transparent;
  padding: .375rem;
  margin: -.375rem;
  border-radius: var(--radius-md);
  cursor: zoom-in;
}

.page-products .qr-code {
  position: relative;
  display: block;
  width: var(--qr-size);
  height: var(--qr-size);
  background: repeating-conic-gradient(#0A1F44 0% 25%, #F9F6F0 0% 50%) 0 0 / 16px 16px;
  border: 1px solid rgba(230,232,238,.4);
  border-radius: var(--radius-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-products .qr-code::before,
.page-products .qr-code::after {
  content: "";
  position: absolute;
  width: 34px;
  height: 34px;
  background: #0A1F44;
  border: 5px solid #F9F6F0;
  border-radius: 5px;
}

.page-products .qr-code::before {
  top: 12px;
  left: 12px;
}

.page-products .qr-code::after {
  bottom: 12px;
  right: 12px;
}

.page-products .qr-btn:hover .qr-code,
.page-products .qr-btn:focus-visible .qr-code {
  transform: scale(1.12);
  box-shadow: 0 10px 26px rgba(0,0,0,.4);
}

.page-products .qr-hint {
  margin: 0;
  font-size: .8125rem;
  color: var(--text-muted);
}

.page-products .download-channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .875rem;
  margin: 1.75rem 0;
}

.page-products .channel {
  padding: 1rem .75rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: rgba(230,232,238,.05);
  text-align: center;
}

.page-products .channel__name {
  display: block;
  margin-bottom: .375rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--c-silver);
}

.page-products .channel__desc {
  display: block;
  font-size: .75rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.page-products .download-cta {
  display: flex;
  justify-content: center;
  width: 100%;
}

.page-products .install-guide {
  margin-top: 1rem;
  padding: 1.25rem;
  background: rgba(6,17,38,.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.page-products .install-steps {
  counter-reset: step;
  display: grid;
  gap: .875rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .install-steps li {
  position: relative;
  padding-left: 2.125rem;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--c-silver);
}

.page-products .install-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: .1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 50%;
  background: var(--c-accent);
  color: #0A1F44;
  font-size: .75rem;
  font-weight: 700;
}

.page-products .download-media {
  display: grid;
  gap: 1rem;
  align-content: start;
}

@media (min-width: 960px) {
  .page-products .download-layout {
    grid-template-columns: 460px 1fr;
    align-items: center;
  }
}

/* ===== 版本历史 ===== */
.page-products .version-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  gap: 1rem;
  margin-top: 2.25rem;
  padding: .25rem .25rem 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-banner-blue) transparent;
}

.page-products .version-card {
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  padding: 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
}

.page-products .version-card::after {
  content: "";
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--c-banner-blue);
  opacity: .2;
  pointer-events: none;
}

.page-products .version-card__code {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-accent);
}

.page-products .version-card__year {
  display: inline-block;
  margin: .625rem 0 .875rem;
  padding: .25rem .625rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.page-products .version-card h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--c-silver);
}

.page-products .version-card p {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-products .version-card--v2::after {
  background: var(--c-moss);
}

.page-products .version-card--v3::after {
  background: var(--c-banner-blue);
}

.page-products .version-card--v4::after {
  background: var(--c-accent);
  opacity: .28;
}

.page-products .version-card--v4 {
  border-color: rgba(242,182,50,.45);
}

.page-products .version-figure {
  margin-top: 1.5rem;
}

.page-products .version-more {
  margin: 1.25rem 0 0;
  font-size: .875rem;
  color: var(--text-muted);
}

.page-products .version-more a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 帮助与联系 ===== */
.page-products .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.25rem;
}

.page-products .help-card {
  display: grid;
  gap: .75rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  border: 1px solid var(--glass-border);
}

.page-products .help-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--c-silver);
}

.page-products .help-card p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-products .help-card .btn {
  justify-self: start;
  align-self: end;
}

.page-products .btn-sm {
  padding: .5rem 1rem;
  font-size: .8125rem;
}

@media (min-width: 760px) {
  .page-products .help-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.125rem;
  }
}