.page-products {
  --section-space: clamp(56px, 8vw, 96px);
  --card-clip: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
}

.page-products .container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

/* ===== Hero ===== */
.page-products .app-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 8vw, 72px) 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 80% 0%, rgba(0, 184, 255, 0.12), transparent 60%),
    linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-secondary) 70%, var(--surface) 100%);
}

.page-products .app-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(135deg, transparent 30%, #000 85%);
  mask-image: linear-gradient(135deg, transparent 30%, #000 85%);
}

.page-products .app-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--accent) 50%, var(--highlight) 100%);
  opacity: 0.7;
}

.page-products .app-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-products .app-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-products .app-hero__content {
  min-width: 0;
}

.page-products .app-hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-products .app-hero__lead {
  max-width: 64ch;
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin: 0 0 28px;
}

.page-products .app-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .app-hero__actions .btn {
  border-radius: var(--radius);
}

.page-products .app-hero__meta {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--line);
  padding: 20px;
  display: grid;
  gap: 12px;
}

.page-products .app-hero__meta::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  border-top: 24px solid var(--brand);
  border-left: 24px solid transparent;
}

.page-products .app-hero__meta .hero-meta__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .app-hero__meta .hero-meta__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .app-hero__meta .data-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: right;
}

/* ===== Dashboard 仪表板 ===== */
.page-products .app-dashboard__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0 88px;
}

.page-products .app-sidebar {
  position: static;
  background: var(--bg-secondary);
  border: 1px solid var(--line);
  padding: 20px 0;
}

.page-products .app-sidebar__inner {
  padding: 0 16px;
}

.page-products .app-sidebar__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.page-products .app-sidebar__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products .app-sidebar__list::-webkit-scrollbar {
  display: none;
}

.page-products .app-sidebar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .app-sidebar__link:hover,
.page-products .app-sidebar__link:focus-visible,
.page-products .app-sidebar__link--active {
  color: var(--brand);
  border-left-color: var(--brand);
  background: rgba(0, 255, 170, 0.06);
}

.page-products .app-sidebar__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.7;
}

.page-products .app-sidebar__contact {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-products .app-sidebar__contact:hover {
  color: var(--brand);
  background: rgba(0, 255, 170, 0.04);
}

.page-products .app-content {
  min-width: 0;
}

/* ===== Section 通用 ===== */
.page-products .app-section {
  padding-top: var(--section-space);
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.page-products .app-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .app-section .section-heading__overline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  margin: 0 0 8px;
}

.page-products .app-section .section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 16px;
  line-height: 1.1;
}

.page-products .app-section__lead {
  color: var(--text-secondary);
  max-width: 72ch;
  margin: 0 0 24px;
  font-size: 1.05rem;
}

/* ===== 应用概览卡片 ===== */
.page-products .app-grid--cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.page-products .app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  min-height: 180px;
  background: var(--bg-secondary);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text-primary);
  clip-path: var(--card-clip);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-products .app-card:hover,
.page-products .app-card:focus-within {
  background: var(--surface);
  border-color: var(--brand);
  transform: translateY(-2px);
}

.page-products .app-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--line);
  margin-bottom: 4px;
  background: rgba(0, 184, 255, 0.05);
}

.page-products .app-card h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  margin: 0;
}

.page-products .app-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}

.page-products .app-card__extra {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  flex: 0 0 auto;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brand);
}

.page-products .app-card:hover .app-card__extra,
.page-products .app-card:focus-within .app-card__extra {
  max-height: 36px;
  opacity: 1;
}

.page-products .app-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ===== 图片容器 ===== */
.page-products .feature-figure {
  margin: 24px 0 32px;
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  line-height: 0;
}

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

/* ===== 双栏面板 ===== */
.page-products .app-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.page-products .app-columns .panel {
  background: var(--bg-secondary);
  border: 1px solid var(--line);
  padding: 20px 24px;
  margin: 0;
}

.page-products .panel__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0 0 12px;
}

/* ===== 检查列表 ===== */
.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
}

.page-products .check-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-family: var(--font-mono);
}

/* ===== 比分对照分屏 ===== */
.page-products .split-compare {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  margin: 8px 0 40px;
  overflow: hidden;
}

.page-products .split-compare::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--brand);
  z-index: 2;
  box-shadow: 0 0 18px rgba(0, 255, 170, 0.5);
}

.page-products .split-compare::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--brand);
  z-index: 3;
  box-shadow: 0 0 12px rgba(0, 255, 170, 0.6);
}

.page-products .split-compare__panel {
  padding: 20px;
  min-height: 150px;
}

.page-products .split-compare__panel--a {
  background: rgba(0, 184, 255, 0.04);
}

.page-products .split-compare__panel--b {
  background: rgba(0, 255, 170, 0.04);
}

.page-products .split-compare__panel ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.page-products .split-compare__panel li {
  padding-left: 16px;
  position: relative;
}

.page-products .split-compare__panel li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ===== 订阅流程步骤 ===== */
.page-products .steps {
  list-style: none;
  counter-reset: step;
  margin: 28px 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .step {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  align-items: flex-start;
}

.page-products .step:nth-child(2) {
  border-left-color: var(--brand);
}

.page-products .step__num {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--text-secondary);
  font-size: 1.3rem;
  min-width: 36px;
}

.page-products .step h3 {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.02rem;
}

.page-products .step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.94rem;
}

/* ===== 数据指标柱 ===== */
.page-products .pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .pillar {
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  padding: 16px;
  display: grid;
  gap: 6px;
  position: relative;
  overflow: hidden;
}

.page-products .pillar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  border-right: 18px solid var(--highlight);
  border-top: 18px solid transparent;
  opacity: 0.6;
}

.page-products .pillar__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--brand);
  line-height: 1.1;
}

.page-products .pillar:nth-child(2) .pillar__num {
  color: var(--accent);
}

.page-products .pillar__label {
  color: var(--text-secondary);
  font-size: 0.86rem;
}

/* ===== 版本对比表 ===== */
.page-products .version-compare {
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  margin: 24px 0 28px;
  overflow: hidden;
}

.page-products .version-compare__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.page-products .version-compare__row:first-child {
  border-top: 0;
}

.page-products .version-compare__dimension {
  grid-column: 1 / -1;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--line);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.page-products .version-compare__col {
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.page-products .version-compare__col--standard {
  border-right: 1px solid var(--line);
}

.page-products .version-compare__col--premium {
  color: var(--brand);
  font-weight: 600;
}

.page-products .version-compare__row--head .version-compare__dimension {
  font-family: var(--font-mono);
  background: var(--surface);
  color: var(--text-secondary);
}

/* ===== 切换建议 ===== */
.page-products .app-switch-note {
  border-left: 3px solid var(--highlight);
  background: rgba(255, 138, 0, 0.04);
  padding: 14px 18px;
  margin: 0 0 40px;
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.page-products .app-switch-note a {
  color: var(--accent);
}

/* ===== 资质安全区 ===== */
.page-products .security-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  margin-bottom: 40px;
}

.page-products .security-strip__figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  line-height: 0;
}

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

.page-products .security-strip__content {
  padding: 24px;
}

.page-products .security-strip__content h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 0 12px;
}

.page-products .security-strip__content p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin: 0 0 16px;
}

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

/* ===== 关联频道 ===== */
.page-products .cross-links {
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--line);
}

.page-products .cross-links__title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.page-products .cross-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .cross-links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .cross-links a:hover,
.page-products .cross-links a:focus-visible {
  border-color: var(--brand);
  color: var(--brand);
}

/* ===== 锚点目标高亮 ===== */
.page-products:has(#bigscreen:target) .app-sidebar__link[href="#bigscreen"],
.page-products:has(#subscription:target) .app-sidebar__link[href="#subscription"],
.page-products:has(#lineup:target) .app-sidebar__link[href="#lineup"],
.page-products:has(#versions:target) .app-sidebar__link[href="#versions"] {
  color: var(--brand);
  border-left-color: var(--brand);
  background: rgba(0, 255, 170, 0.06);
}

/* ===== 响应式断点 ===== */
@media (min-width: 720px) {
  .page-products .app-grid--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pillar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .version-compare__row {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .page-products .version-compare__dimension {
    grid-column: auto;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-products .app-hero__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

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

  .page-products .app-columns--reverse .app-columns__text {
    order: 1;
  }

  .page-products .app-columns--reverse .feature-figure {
    order: 2;
  }

  .page-products .security-strip {
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .page-products .security-strip__figure {
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .page-products .app-dashboard__inner {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .app-sidebar {
    position: sticky;
    top: 24px;
  }

  .page-products .app-sidebar__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-products .app-sidebar__link {
    white-space: normal;
    border-left: 2px solid var(--line);
  }
}