.page-products {
  --pp-card-bg: linear-gradient(135deg, rgba(16, 58, 107, 0.88), rgba(10, 29, 58, 0.92));
  --pp-glow: 0 18px 50px rgba(5, 13, 23, 0.35);
}

/* ===== Hero ===== */
.page-products .pp-hero {
  position: relative;
  padding: 44px 0 64px;
  overflow: hidden;
}
.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(0, 212, 255, 0.12), transparent 34%),
    radial-gradient(circle at 12% 70%, rgba(198, 255, 0, 0.08), transparent 30%);
  pointer-events: none;
}
.page-products .pp-hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.page-products .pp-hero-copy {
  max-width: 560px;
  text-align: left;
}
.page-products .pp-breadcrumb {
  margin-bottom: 20px;
}
.page-products .pp-hero h1 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(1.75rem, 5vw, 2.9rem);
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--c-white);
  margin: 8px 0 18px;
  max-width: 18ch;
}
.page-products .pp-hero-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--c-gray);
  max-width: 46ch;
  margin-bottom: 28px;
}
.page-products .pp-download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-bottom: 20px;
}
.page-products .pp-dl-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  background: linear-gradient(135deg, var(--c-green), var(--c-green-bright));
  color: var(--c-black);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.0625rem;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(198, 255, 0, 0.22);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.page-products .pp-dl-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(198, 255, 0, 0.32);
}
.page-products .pp-dl-meta {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--c-gray);
  margin: 0;
  max-width: 24ch;
}
.page-products .pp-hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-top: 4px;
}
.page-products .pp-note-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-white);
  font-size: 0.9rem;
  line-height: 1.4;
}
.page-products .pp-note-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.16);
  display: inline-block;
  flex: 0 0 auto;
}
.page-products .pp-note-dot--orange {
  background: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.16);
}

/* 下载说明 */
.page-products .pp-dl-details {
  margin-top: 20px;
  border-radius: var(--radius-md);
  background: rgba(16, 58, 107, 0.5);
  border: 1px solid rgba(242, 247, 255, 0.1);
  padding: 0 16px;
}
.page-products .pp-dl-details summary {
  cursor: pointer;
  padding: 12px 0;
  color: var(--c-white);
  font-weight: 700;
  font-size: 0.9rem;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-products .pp-dl-details summary::-webkit-details-marker {
  display: none;
}
.page-products .pp-dl-details summary::before {
  content: "+";
  color: var(--c-green);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(198, 255, 0, 0.12);
}
.page-products .pp-dl-details[open] summary::before {
  content: "–";
}
.page-products .pp-dl-details p {
  color: var(--c-gray);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 12px;
  max-width: 48ch;
}
.page-products .pp-dl-details a {
  color: var(--c-green);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: 14px;
}
.page-products .pp-dl-details a:hover {
  text-decoration: underline;
}

/* 手机模型 */
.page-products .pp-phone-col {
  position: relative;
}
.page-products .pp-phone-frame {
  width: 220px;
  aspect-ratio: 1 / 2;
  background: var(--c-black);
  border-radius: 40px;
  padding: 12px;
  border: 1px solid rgba(242, 247, 255, 0.16);
  box-shadow:
    0 22px 60px rgba(5, 13, 23, 0.6),
    0 0 0 1px rgba(0, 212, 255, 0.18),
    inset 0 0 0 1px rgba(242, 247, 255, 0.04);
  position: relative;
}
.page-products .pp-phone-notch {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 20px;
  background: var(--c-black);
  border-radius: 12px;
  z-index: 2;
}
.page-products .pp-phone-screen {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}
.page-products .pp-phone-caption {
  text-align: center;
  color: var(--c-gray);
  font-size: 0.85rem;
  margin-top: 12px;
  font-family: var(--font-mono);
}

/* 数据速览 */
.page-products .pp-hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 400px;
}
.page-products .pp-metric {
  background: rgba(16, 58, 107, 0.55);
  border: 1px solid rgba(242, 247, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 12px;
  text-align: center;
}
.page-products .pp-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--c-green);
  line-height: 1.2;
}
.page-products .pp-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--c-gray);
  line-height: 1.4;
}

/* ===== 核心功能 ===== */
.page-products .pp-features {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(10, 29, 58, 0), rgba(16, 58, 107, 0.28) 20%, rgba(16, 58, 107, 0.28) 80%, rgba(10, 29, 58, 0));
}
.page-products .pp-section-head {
  max-width: 720px;
  margin-bottom: 44px;
}
.page-products .pp-section-head h2,
.page-products .pp-version h2,
.page-products .pp-sync h2,
.page-products .pp-scenarios h2 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--c-white);
  margin: 6px 0 14px;
  max-width: 18ch;
}
.page-products .pp-section-intro {
  color: var(--c-gray);
  max-width: 56ch;
  line-height: 1.7;
}
.page-products .pp-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-products .pp-feature-card {
  background: var(--pp-card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(198, 255, 0, 0.12);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--pp-glow);
  transition: transform var(--t-base), border-color var(--t-base);
}
.page-products .pp-feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 0, 0.45);
}
.page-products .pp-fc-media {
  overflow: hidden;
  border-radius: var(--radius-md);
}
.page-products .pp-fc-media img {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .pp-fc-content {
  padding: 2px 6px 10px;
}
.page-products .pp-fc-index {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-orange);
  margin-bottom: 6px;
}
.page-products .pp-fc-content h3 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--c-white);
  margin: 0 0 8px;
}
.page-products .pp-fc-content p {
  color: var(--c-gray);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0 0 14px;
  max-width: 46ch;
}
.page-products .pp-fc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-green);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}
.page-products .pp-fc-link::after {
  content: "→";
  transition: transform var(--t-fast);
}
.page-products .pp-fc-link:hover::after {
  transform: translateX(4px);
}

/* ===== 版本特性 ===== */
.page-products .pp-version {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(5, 13, 23, 0), rgba(5, 13, 23, 0.6) 30%, rgba(5, 13, 23, 0.6) 70%, rgba(5, 13, 23, 0));
}
.page-products .pp-version-inner {
  display: grid;
  gap: 40px;
}
.page-products .pp-version-desc {
  color: var(--c-gray);
  max-width: 56ch;
  line-height: 1.7;
}
.page-products .pp-version-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}
.page-products .pp-version-list li {
  position: relative;
  padding-left: 28px;
  color: var(--c-white);
  line-height: 1.55;
  font-size: 0.95rem;
}
.page-products .pp-version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--c-orange);
}
.page-products .pp-version-list li strong {
  color: var(--c-green);
}
.page-products .pp-version-route {
  background: rgba(10, 29, 58, 0.66);
  border: 1px solid rgba(0, 212, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.page-products .pp-version-route-title {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--c-cyan);
  margin: 0 0 18px;
}
.page-products .route-track {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .route-step {
  color: var(--c-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}
.page-products .pp-version-route-note {
  color: var(--c-gray);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-top: 20px;
  border-top: 1px solid rgba(242, 247, 255, 0.12);
  padding-top: 16px;
}

/* ===== 多设备同步 ===== */
.page-products .pp-sync {
  padding: 64px 0;
}
.page-products .pp-sync-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}
.page-products .pp-sync-copy p {
  color: var(--c-gray);
  max-width: 54ch;
  line-height: 1.7;
}
.page-products .pp-sync-steps {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}
.page-products .pp-sync-steps li {
  position: relative;
  padding: 14px 16px 14px 48px;
  background: rgba(16, 58, 107, 0.5);
  border-radius: var(--radius-md);
  color: var(--c-white);
  line-height: 1.5;
  font-size: 0.95rem;
}
.page-products .pp-sync-step-num {
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-cyan);
  font-size: 0.9rem;
}
.page-products .pp-sync-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--pp-glow);
}

/* ===== 用户场景 ===== */
.page-products .pp-scenarios {
  padding: 64px 0;
  background: rgba(16, 58, 107, 0.22);
}
.page-products .pp-scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 36px;
}
.page-products .pp-scenario-card {
  background: rgba(10, 29, 58, 0.84);
  border: 1px solid rgba(242, 247, 255, 0.08);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  transition: transform var(--t-base), background var(--t-base);
}
.page-products .pp-scenario-card:hover {
  transform: translateX(6px);
  background: rgba(10, 29, 58, 1);
}
.page-products .pp-scenario-card h3 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-white);
  margin: 0 0 8px;
}
.page-products .pp-scenario-card p {
  color: var(--c-gray);
  font-size: 0.94rem;
  line-height: 1.65;
  margin: 0;
}

/* ===== 支持横幅 ===== */
.page-products .pp-support {
  padding: 56px 0 72px;
}
.page-products .pp-support-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: linear-gradient(135deg, rgba(198, 255, 0, 0.1), rgba(0, 212, 255, 0.04));
  border: 1px solid rgba(198, 255, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}
.page-products .pp-support-copy {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 800;
  color: var(--c-white);
  font-size: 1.15rem;
  max-width: 44ch;
  line-height: 1.5;
}
.page-products .pp-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 平板 ===== */
@media (min-width: 768px) {
  .page-products .pp-hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 32px;
  }
  .page-products .pp-hero-copy {
    grid-column: 1;
    grid-row: 1;
  }
  .page-products .pp-phone-col {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .pp-hero-metrics {
    grid-column: 1 / -1;
  }

  .page-products .pp-feature-card {
    flex-direction: row;
  }
  .page-products .pp-fc-media {
    flex: 0 0 38%;
  }
  .page-products .pp-fc-content {
    padding-top: 8px;
  }

  .page-products .pp-version-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-products .pp-version-route {
    margin-top: 8px;
  }

  .page-products .pp-sync-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1024px) {
  .page-products .pp-hero-inner {
    grid-template-columns: minmax(0, 1fr) 280px minmax(0, 1fr);
    gap: 32px;
  }
  .page-products .pp-hero-copy {
    grid-column: 1;
    grid-row: 1;
    justify-self: end;
  }
  .page-products .pp-phone-col {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .pp-hero-metrics {
    grid-column: 3;
    grid-row: 1;
    grid-template-columns: 1fr;
    align-content: center;
    max-width: 300px;
  }
  .page-products .pp-metric {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
    padding: 16px 18px;
  }
  .page-products .pp-metric-num {
    font-size: 1.5rem;
  }
  .page-products .pp-metric-label {
    margin-top: 0;
    text-align: right;
  }

  .page-products .pp-features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }
  .page-products .pp-feature-card:nth-child(even) {
    margin-top: 56px;
  }
  .page-products .pp-feature-card {
    padding: 18px;
  }

  .page-products .pp-scenario-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}