.page-products {
  --ppr-flow-color: rgba(63, 255, 62, 0.18);
  --ppr-flow-size: 10px;
  --ppr-card-width: clamp(260px, 80vw, 320px);
  background: var(--color-bg);
  color: var(--color-text);
}

.page-products .breadcrumb {
  padding: 18px 0 4px;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .breadcrumb-link {
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-products .breadcrumb-link:hover {
  color: var(--color-accent);
}

.page-products .breadcrumb-current {
  color: var(--color-text-soft);
  font-size: 13px;
}

.page-products .dl-hero {
  position: relative;
  padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 55% at 72% 18%, rgba(63, 255, 62, 0.14), transparent 60%),
    radial-gradient(ellipse 45% 40% at 15% 80%, rgba(255, 107, 53, 0.12), transparent 60%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface-deep) 100%);
}

.page-products .dl-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px 32px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-products .dl-hero-copy {
  max-width: 640px;
}

.page-products .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-products .live-dot {
  color: var(--color-accent);
  font-size: 10px;
  animation: ppr-pulse 1.8s ease-in-out infinite;
}

.page-products .dl-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.page-products .dl-lead {
  color: var(--color-text-soft);
  font-size: 17px;
  line-height: 1.72;
  margin: 0 0 28px;
}

.page-products .dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.page-products .dl-drop {
  position: relative;
  min-width: 160px;
}

.page-products .dl-summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  background: var(--color-cta);
  color: var(--color-bg);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid rgba(255, 107, 53, 0.6);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.22);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

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

.page-products .dl-summary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 107, 53, 0.3);
}

.page-products .dl-summary--alt {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid rgba(63, 255, 62, 0.45);
  box-shadow: none;
}

.page-products .dl-summary--alt:hover {
  background: rgba(63, 255, 62, 0.08);
  box-shadow: var(--glow-accent);
}

.page-products .dl-summary-icon {
  font-size: 11px;
  transition: transform 0.3s var(--ease);
}

.page-products .dl-drop[open] .dl-summary-icon {
  transform: rotate(90deg);
}

.page-products .dl-drop[open] .dl-summary {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.page-products .dl-qr {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  min-width: 220px;
  margin-top: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 20;
  box-shadow: var(--shadow-md);
  animation: ppr-drop-in 0.3s var(--ease);
}

.page-products .qr-svg {
  width: 140px;
  height: auto;
  border-radius: var(--radius-sm);
  background: #fff;
}

.page-products .qr-tip {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}

.page-products .qr-zoom-link {
  color: var(--color-accent);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px dashed rgba(63, 255, 62, 0.4);
  padding-bottom: 2px;
}

.page-products .qr-zoom-link:hover {
  border-bottom-style: solid;
}

.page-products .dl-note {
  color: var(--color-muted);
  font-size: 13px;
  margin: 0 0 18px;
  letter-spacing: 0.03em;
}

.page-products .dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0 0 12px;
  padding: 14px 0;
  border-top: 1px solid rgba(44, 62, 80, 0.6);
  border-bottom: 1px solid rgba(44, 62, 80, 0.6);
}

.page-products .dl-meta-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .dl-meta-item dt {
  color: var(--color-muted);
  font-size: 13px;
}

.page-products .dl-meta-item dd {
  margin: 0;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .dl-help {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.page-products .dl-help a,
.page-products .ver-more a,
.page-products .req-tip a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 255, 62, 0.35);
  transition: border-bottom-color 0.25s var(--ease);
}

.page-products .dl-help a:hover,
.page-products .ver-more a:hover,
.page-products .req-tip a:hover {
  border-bottom-color: var(--color-accent);
}

.page-products .dl-phone-zone {
  display: flex;
  justify-content: center;
  position: relative;
  padding-bottom: 40px;
}

.page-products .phone-frame {
  position: relative;
  width: 272px;
  max-width: 82vw;
  aspect-ratio: 9 / 16.8;
  background: #0b1420;
  border: 3px solid var(--color-border);
  border-radius: 44px;
  padding: 16px;
  box-shadow: var(--shadow-md), 0 30px 90px rgba(0, 0, 0, 0.38);
  z-index: 1;
}

.page-products .phone-notch {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 20px;
  background: #0b1420;
  border-radius: 14px;
  z-index: 3;
}

.page-products .phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid rgba(44, 62, 80, 0.7);
}

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

.page-products .phone-glow {
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 220px;
  height: 80px;
  background: var(--color-accent);
  filter: blur(60px);
  opacity: 0.24;
  border-radius: 50%;
  z-index: 0;
}

.page-products .feat-section {
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 104px);
  background: var(--color-bg);
  overflow: hidden;
}

.page-products .feat-head {
  margin-bottom: 28px;
}

.page-products .feat-lead {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 8px 0 0;
}

.page-products .feat-scroll-container {
  overflow: hidden;
  margin: 0 calc(-1 * var(--container-pad));
}

.page-products .feat-scroll {
  display: flex;
  gap: clamp(16px, 2.6vw, 28px);
  overflow-x: auto;
  padding: 8px var(--container-pad) 28px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-products .feat-scroll::-webkit-scrollbar {
  height: 4px;
}

.page-products .feat-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 99px;
}

.page-products .feat-card {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: var(--ppr-card-width);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  position: relative;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-products .feat-card:nth-child(odd) {
  transform: rotate(-1.4deg) translateY(4px);
}

.page-products .feat-card:nth-child(even) {
  transform: rotate(1.1deg) translateY(-2px);
}

.page-products .feat-card:hover,
.page-products .feat-card:focus-within {
  transform: rotate(0deg) translateY(-6px);
  border-color: rgba(63, 255, 62, 0.4);
  box-shadow: var(--shadow-md);
}

.page-products .feat-num {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.page-products .feat-img-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-deep);
}

.page-products .feat-img-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}

.page-products .feat-card:hover .feat-img-frame img {
  transform: scale(1.04);
}

.page-products .feat-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: 0.01em;
}

.page-products .feat-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.68;
}

.page-products .feat-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 12px;
  background: rgba(63, 255, 62, 0.1);
  color: var(--color-accent);
}

.page-products .feat-card--mini {
  background: linear-gradient(150deg, #1c2c3e, #16304a);
  border-color: rgba(63, 255, 62, 0.24);
}

.page-products .feat-card--history {
  background: linear-gradient(150deg, #15233a, #1c2c3e);
  border-color: rgba(122, 132, 80, 0.28);
}

.page-products .feat-card--history .feat-icon {
  background: rgba(122, 132, 80, 0.16);
  color: #a3b56a;
}

.page-products .ver-section {
  padding: clamp(48px, 8vw, 96px) 0;
  background: linear-gradient(180deg, var(--color-bg), var(--color-surface-deep) 100%);
  position: relative;
}

.page-products .ver-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 90% 8%, rgba(63, 255, 62, 0.07), transparent 60%),
    radial-gradient(ellipse 40% 45% at 10% 92%, rgba(255, 107, 53, 0.05), transparent 55%);
}

.page-products .ver-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 44px;
  position: relative;
  z-index: 1;
}

.page-products .ver-text {
  max-width: 560px;
}

.page-products .ver-lead {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.65;
  margin: 8px 0 0;
}

.page-products .ver-board-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: block;
}

.page-products .version-timeline {
  position: relative;
  padding-left: 24px;
  max-width: 960px;
  z-index: 1;
}

.page-products .version-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-border) 45%, transparent);
}

.page-products .ver-item {
  position: relative;
  margin-bottom: 20px;
}

.page-products .ver-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 18px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  z-index: 2;
}

.page-products .ver-item.is-current::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 5px rgba(63, 255, 62, 0.12);
}

.page-products .ver-summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

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

.page-products .ver-summary:hover {
  border-color: rgba(63, 255, 62, 0.42);
  background: var(--color-surface-deep);
}

.page-products .ver-item[open] .ver-summary {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-color: rgba(63, 255, 62, 0.38);
}

.page-products .ver-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-bg);
  background: var(--color-accent);
  padding: 3px 10px;
  border-radius: 20px;
}

.page-products .ver-num {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.page-products .ver-title {
  color: var(--color-text-soft);
  font-size: 15px;
  font-weight: 400;
}

.page-products .ver-changelog {
  margin: 0;
  padding: 16px 22px 18px;
  list-style: none;
  background: rgba(28, 44, 62, 0.4);
  border: 1px solid rgba(63, 255, 62, 0.3);
  border-top: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.page-products .ver-changelog li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .ver-changelog li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 2px 6px 2px 6px;
  transform: rotate(45deg);
}

.page-products .ver-changelog li + li {
  margin-top: 8px;
}

.page-products .ver-more {
  margin: 28px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  position: relative;
  z-index: 1;
}

.page-products .req-section {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--color-bg);
}

.page-products .req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .req-panel {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.page-products .req-panel::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 20%, var(--color-accent));
}

.page-products .req-panel--android::after {
  background: linear-gradient(90deg, transparent 20%, var(--color-cta));
}

.page-products .req-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 20px;
  margin-bottom: 16px;
}

.page-products .req-panel--ios .req-icon {
  background: rgba(63, 255, 62, 0.1);
  color: var(--color-accent);
}

.page-products .req-panel--android .req-icon {
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-cta);
}

.page-products .req-panel h3 {
  font-size: 20px;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

.page-products .req-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .req-panel li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .req-panel li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 5px;
  color: var(--color-muted);
  font-size: 9px;
}

.page-products .req-tip {
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
  text-align: center;
}

.page-products .qr-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 14, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 24px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-products .qr-overlay:target {
  display: flex;
}

.page-products .qr-overlay-inner {
  position: relative;
  background: #ffffff;
  padding: 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 92vw;
  width: fit-content;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
}

.page-products .qr-close {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .qr-close:hover {
  transform: rotate(90deg);
  background: var(--color-border);
}

.page-products .qr-overlay-kicker {
  color: var(--color-bg);
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}

.page-products .qr-overlay-svg {
  width: min(62vw, 300px);
  height: auto;
  border-radius: var(--radius-sm);
}

.page-products .qr-overlay-tip {
  color: #6b7d8d;
  font-size: 13px;
  margin: 14px 0 0;
  letter-spacing: 0.02em;
}

@keyframes ppr-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@keyframes ppr-drop-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 900px) {
  .page-products .dl-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px 40px;
  }

  .page-products .feat-scroll {
    padding-left: calc((100vw - var(--container-w)) / 2 + var(--container-pad));
    padding-right: calc((100vw - var(--container-w)) / 2 + var(--container-pad));
  }

  .page-products .ver-head {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 56px;
  }

  .page-products .req-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 920px;
  }

  .page-products .req-panel {
    padding: 34px;
  }
}

@media (min-width: 1200px) {
  .page-products .dl-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .dl-phone-zone {
    padding-bottom: 20px;
  }
}