.page-products {
  background: var(--c-primary);
  color: var(--c-white);
  overflow-x: hidden;
}

/* 面包屑 */
.page-products .breadcrumb {
  padding: 28px 0 4px;
  font-size: 0.875rem;
  color: var(--c-metal);
}
.page-products .breadcrumb a {
  color: var(--c-white);
  text-decoration: none;
  transition: color 0.18s ease;
}
.page-products .breadcrumb a:hover {
  color: var(--c-accent);
}
.page-products .breadcrumb-divider {
  display: inline-block;
  margin: 0 10px;
  color: var(--c-metal);
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--c-accent);
  font-weight: 600;
}

/* 首屏 */
.page-products .app-hero {
  position: relative;
  padding: 44px 0 72px;
  overflow: hidden;
}
.page-products .app-hero::before {
  content: "";
  position: absolute;
  top: -15%;
  right: -25%;
  width: 75%;
  height: 130%;
  background: var(--c-deep);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}
.page-products .app-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -10%;
  width: 45%;
  height: 45%;
  background: var(--c-accent);
  clip-path: polygon(8% 0, 100% 30%, 84% 100%, 0 62%);
  opacity: 0.16;
  z-index: 0;
  pointer-events: none;
}
.page-products .app-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.page-products .app-hero-visual {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .phone-device {
  position: relative;
  width: 248px;
  max-width: calc(100% - 24px);
  padding: 18px 14px 22px;
  background: linear-gradient(145deg, var(--c-ink), #23233C);
  border: 1px solid rgba(138, 146, 155, 0.55);
  border-radius: 42px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
  transform: rotate(-5deg);
}
.page-products .phone-device::before {
  content: "";
  display: block;
  width: 68px;
  height: 5px;
  margin: 0 auto 14px;
  background: var(--c-metal);
  border-radius: 3px;
}
.page-products .phone-device::after {
  content: "";
  display: block;
  width: 26px;
  height: 26px;
  margin: 14px auto 0;
  border: 2px solid var(--c-metal);
  border-radius: 50%;
}
.page-products .phone-screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  object-fit: cover;
}
.page-products .hero-data-chip {
  position: absolute;
  z-index: 3;
  padding: 8px 16px;
  font-family: var(--ff-head);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  box-shadow: var(--shadow-md);
}
.page-products .chip-one {
  top: 18%;
  left: 6%;
  background: var(--c-accent);
  color: var(--c-white);
  transform: rotate(-8deg);
}
.page-products .chip-one::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
}
.page-products .chip-two {
  top: 58%;
  right: -2%;
  background: var(--c-paper);
  color: var(--c-primary);
  transform: rotate(5deg);
}
.page-products .chip-three {
  left: -5%;
  bottom: 12%;
  background: var(--c-deep);
  color: var(--c-paper);
  border: 1px solid var(--c-accent);
  transform: rotate(-3deg);
}

/* 首屏文本 */
.page-products .app-hero-content {
  text-align: left;
}
.page-products .app-hero-content h1 {
  font-family: var(--ff-head);
  font-size: clamp(2.1rem, 6vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 12px 0 20px;
}
.page-products .app-hero-content .lead {
  color: var(--c-paper);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 54ch;
  margin-bottom: 28px;
}
.page-products .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}
.page-products .download-actions .btn {
  position: relative;
  min-width: 200px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}
.page-products .download-actions .btn:active {
  transform: translateY(1px) scale(0.98);
}
.page-products .download-actions .btn-accent {
  overflow: hidden;
}
.page-products .download-actions .btn-accent::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.32s ease;
}
.page-products .download-actions .btn-accent:active::after {
  transform: translate(-50%, -50%) scale(6);
}
.page-products .hero-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-bottom: 32px;
  padding-top: 22px;
  border-top: 1px solid rgba(138, 146, 155, 0.35);
}
.page-products .hero-shortcuts a {
  color: var(--c-paper);
  font-size: 0.85rem;
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.page-products .hero-shortcuts a::before {
  content: "# ";
  color: var(--c-accent);
}
.page-products .hero-shortcuts a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 520px;
}
.page-products .hero-stats .stat {
  border-left: 2px solid var(--c-accent);
  padding-left: 14px;
}
.page-products .hero-stats .stat-value {
  display: block;
  font-family: var(--ff-head);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.15;
  color: var(--c-white);
}
.page-products .hero-stats .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--c-metal);
  letter-spacing: 0.02em;
}

/* 核心功能 */
.page-products .core-features {
  position: relative;
  padding: 72px 0 56px;
  background: var(--c-paper);
  color: var(--c-primary);
}
.page-products .core-features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--c-accent);
  clip-path: polygon(0 0, 72% 0, 100% 100%, 0 100%);
}
.page-products .core-features::after {
  content: "";
  position: absolute;
  right: 0;
  top: 96px;
  width: 160px;
  height: 160px;
  background: var(--c-accent);
  opacity: 0.07;
  clip-path: polygon(0 0, 100% 30%, 80% 100%, 0 62%);
  pointer-events: none;
}
.page-products .section-heading {
  position: relative;
  max-width: 760px;
  margin-bottom: 48px;
}
.page-products .section-heading .section-title {
  margin: 12px 0 14px;
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  line-height: 1.12;
}
.page-products .section-heading .lead {
  color: var(--c-ink);
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.88;
}
.page-products .feature-stack {
  display: flex;
  flex-direction: column;
}
.page-products .feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid rgba(10, 31, 68, 0.16);
}
.page-products .feature-item:first-child {
  border-top: none;
}
.page-products .feature-item-accent {
  padding-left: 16px;
  border-left: 4px solid var(--c-accent);
}
.page-products .feature-number {
  font-family: var(--ff-head);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--c-accent);
  opacity: 0.9;
}
.page-products .feature-copy h3 {
  font-family: var(--ff-head);
  font-size: 1.35rem;
  margin: 12px 0 10px;
  color: var(--c-primary);
  line-height: 1.3;
}
.page-products .feature-copy p {
  color: var(--c-ink);
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-products .feature-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products .feature-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-ink);
}
.page-products .feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 3px;
  background: var(--c-accent);
}
.page-products .feature-visual {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

/* 版本演进 */
.page-products .version-history {
  position: relative;
  padding: 80px 0;
  background: var(--c-deep);
  color: var(--c-white);
}
.page-products .version-history::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent) 30%, transparent 30%);
  opacity: 0.8;
}
.page-products .version-history .section-heading .lead {
  color: rgba(245, 241, 232, 0.78);
}
.page-products .version-history .section-title {
  color: var(--c-white);
}
.page-products .version-history .section-kicker {
  color: var(--c-accent);
}
.page-products .timeline {
  position: relative;
  margin: 44px 0 32px;
  padding-left: 14px;
}
.page-products .timeline-item {
  position: relative;
  padding: 0 0 40px 30px;
  border-left: 2px solid rgba(255, 107, 53, 0.55);
}
.page-products .timeline-item:last-child {
  border-left-color: transparent;
}
.page-products .timeline-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 3px solid var(--c-deep);
  box-sizing: border-box;
}
.page-products .timeline-marker {
  font-family: var(--ff-head);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--c-accent);
  margin-bottom: 8px;
}
.page-products .timeline-card {
  background: rgba(245, 241, 232, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 20px 22px;
}
.page-products .timeline-card h3 {
  font-family: var(--ff-head);
  font-size: 1.05rem;
  margin: 12px 0 6px;
  color: var(--c-white);
}
.page-products .timeline-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.82);
  margin: 0;
}
.page-products .version-notes {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}
.page-products .timeline-banner {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 28px;
  border-radius: 6px;
  object-fit: cover;
}
@media (hover: hover) {
  .page-products .timeline-card {
    transition: background 0.2s ease, transform 0.2s ease;
  }
  .page-products .timeline-card:hover {
    background: rgba(245, 241, 232, 0.11);
    transform: translateX(4px);
  }
}

/* 安装指南 */
.page-products .install-guide {
  background: var(--c-paper);
  color: var(--c-primary);
  padding: 72px 0;
}
.page-products .install-guide .section-heading .lead {
  color: var(--c-ink);
  opacity: 0.88;
}
.page-products .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}
.page-products .guide-card {
  background: var(--c-white);
  border-top: 3px solid var(--c-accent);
  border-radius: 4px;
  padding: 26px 28px;
  box-shadow: var(--shadow-sm);
}
.page-products .guide-card h3 {
  font-family: var(--ff-head);
  font-size: 1rem;
  color: var(--c-primary);
  margin-bottom: 14px;
}
.page-products .guide-card ul,
.page-products .guide-card ol {
  margin: 0;
  padding-left: 18px;
  font-size: 0.895rem;
  line-height: 1.8;
  color: var(--c-ink);
}
.page-products .guide-faq {
  background: var(--c-white);
  border: 1px solid rgba(10, 31, 68, 0.18);
  border-radius: 4px;
  padding: 18px 22px;
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.page-products .guide-faq[open] {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-sm);
}
.page-products .guide-faq summary {
  font-family: var(--ff-head);
  font-size: 0.95rem;
  color: var(--c-primary);
  list-style: none;
  outline: none;
  cursor: pointer;
}
.page-products .guide-faq summary::-webkit-details-marker {
  display: none;
}
.page-products .guide-faq summary::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg);
  transition: transform 0.16s ease;
}
.page-products .guide-faq[open] summary::before {
  transform: rotate(45deg);
}
.page-products .guide-faq p {
  margin: 14px 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink);
}

/* 离线数据包 */
.page-products .offline-section {
  position: relative;
  padding: 80px 0 64px;
  background: var(--c-primary);
  color: var(--c-white);
}
.page-products .offline-section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--c-accent);
}
.page-products .offline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.page-products .offline-copy .section-kicker {
  color: var(--c-accent);
}
.page-products .offline-copy .section-title {
  color: var(--c-white);
  margin: 12px 0 14px;
}
.page-products .offline-copy .lead {
  color: rgba(245, 241, 232, 0.85);
  margin-bottom: 18px;
}
.page-products .offline-list {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .offline-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.925rem;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.92);
}
.page-products .offline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 12px;
  height: 3px;
  background: var(--c-accent);
}
.page-products .offline-note {
  background: var(--c-deep);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 4px 4px 0;
  padding: 20px 22px;
}
.page-products .offline-note p {
  margin: 0 0 14px;
  color: var(--c-paper);
  font-size: 0.875rem;
  line-height: 1.7;
}
.page-products .offline-note .btn {
  min-width: 160px;
}
.page-products .offline-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
  object-fit: cover;
}

/* 相关链接 */
.page-products .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(138, 146, 155, 0.28);
}
.page-products .related-links a {
  color: var(--c-metal);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.page-products .related-links a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

/* 桌面端布局 */
@media (min-width: 640px) {
  .page-products .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 840px) {
  .page-products .app-hero {
    padding: 64px 0 96px;
  }
  .page-products .app-hero-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
  }
  .page-products .app-hero-visual {
    min-height: 580px;
  }
  .page-products .phone-device {
    width: 296px;
    transform: rotate(-6deg) translateX(-8px);
  }
  .page-products .chip-one {
    left: -4%;
  }
  .page-products .chip-two {
    right: -6%;
  }
  .page-products .chip-three {
    left: -10%;
  }
  .page-products .app-hero-content .lead {
    font-size: 1.125rem;
  }
  .page-products .download-actions {
    gap: 18px;
  }

  .page-products .feature-item {
    grid-template-columns: 56px minmax(0, 1fr) minmax(0, 460px);
    gap: 36px;
    align-items: center;
    padding: 44px 0;
  }
  .page-products .feature-item .feature-number {
    grid-column: 1;
    grid-row: 1;
  }
  .page-products .feature-item .feature-copy {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .feature-item .feature-visual {
    grid-column: 3;
    grid-row: 1;
    height: 440px;
  }
  .page-products .feature-item-reverse {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr) 56px;
  }
  .page-products .feature-item-reverse .feature-number {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
  }
  .page-products .feature-item-reverse .feature-copy {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .feature-item-reverse .feature-visual {
    grid-column: 1;
    grid-row: 1;
    height: 440px;
  }
  .page-products .feature-item-no-image {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .page-products .timeline {
    padding-left: 20px;
  }
  .page-products .timeline-item {
    padding-right: 60px;
  }
  .page-products .timeline-card {
    max-width: 640px;
  }

  .page-products .guide-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }
  .page-products .guide-faq {
    grid-column: 1 / -1;
  }

  .page-products .offline-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }
}