.page-products {
  background: var(--base-dark);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* ===== 面包屑 ===== */
.page-products .breadcrumb {
  padding-top: 16px;
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}
.page-products .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-products .breadcrumb a:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}
.page-products .breadcrumb span[aria-current="page"] {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ===== Hero ===== */
.page-products .products-hero {
  padding: 32px 0 56px;
}
.page-products .products-hero-main {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}
.page-products .products-hero h1 {
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
}
.page-products .products-hero-desc {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
  max-width: 52ch;
}
.page-products .products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .products-hero-aside {
  border: 1px solid var(--border-line);
  background: var(--panel-dark);
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-products .aside-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-products .aside-status {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}
.page-products .aside-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
  border-top: 1px solid var(--border-line);
  padding-top: 10px;
}

/* ===== 升级亮点 ===== */
.page-products .upgrade-panel {
  position: relative;
  background: var(--panel-dark);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
  padding: 48px 0;
}
.page-products .upgrade-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), var(--accent-purple));
}
.page-products .upgrade-grid {
  display: grid;
  gap: 32px;
}
.page-products .upgrade-left h2,
.page-products .features-head h2,
.page-products .access-head h2,
.page-products .tech-head h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin: 12px 0 16px;
}
.page-products .upgrade-left > p:not(.section-label) {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}
.page-products .upgrade-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .upgrade-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid var(--border-line);
  background: var(--base-dark);
  font-size: 14px;
  line-height: 1.6;
}
.page-products .upgrade-list .mono-strong {
  color: var(--accent-cyan);
  font-size: 13px;
  white-space: nowrap;
  min-width: 48px;
  padding-top: 2px;
}
.page-products .upgrade-right {
  display: grid;
  gap: 20px;
}
.page-products .browser-frame {
  border: 1px solid var(--border-line);
  background: var(--base-dark);
}
.page-products .browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-line);
}
.page-products .browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-orange);
}
.page-products .browser-dot:nth-child(2) {
  background: #FACC15;
}
.page-products .browser-dot:nth-child(3) {
  background: var(--success-green);
}
.page-products .browser-url {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--panel-dark);
  padding: 4px 8px;
}
.page-products .browser-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
}
.page-products .upgrade-tooltip {
  border: 1px solid var(--border-line);
  background: var(--base-dark);
  padding: 10px;
}
.page-products .upgrade-tooltip img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-products .upgrade-tooltip p {
  margin: 8px 2px 2px;
  font-size: 12px;
}

/* ===== 功能特性 ===== */
.page-products .features-panel {
  padding: 48px 0;
}
.page-products .features-head {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}
.page-products .features-head > p:last-child {
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 60ch;
}
.page-products .features-icons {
  margin: 0 0 28px;
  border: 1px solid var(--border-line);
  background: var(--panel-dark);
  padding: 10px;
}
.page-products .features-icons img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 1;
  object-fit: cover;
}
.page-products .features-icons figcaption {
  padding: 10px 4px 4px;
  font-size: 12px;
}
.page-products .feature-cards {
  display: grid;
  gap: 14px;
}
.page-products .feature-card {
  background: var(--panel-dark);
  border: 1px solid var(--border-line);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.page-products .feature-card:hover,
.page-products .feature-card:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 1px var(--accent-cyan), 0 8px 24px rgba(0, 229, 160, 0.08);
  transform: translateY(-2px);
}
.page-products .feature-card summary {
  list-style: none;
  cursor: pointer;
  padding: 18px;
  display: grid;
  gap: 12px;
  position: relative;
}
.page-products .feature-card summary::-webkit-details-marker {
  display: none;
}
.page-products .feature-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-right: 22px;
}
.page-products .feature-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  border: 1px solid var(--border-line);
  padding: 2px 8px;
}
.page-products .feature-card svg {
  width: 44px;
  height: 44px;
  color: var(--text-secondary);
  transition: color var(--ease), transform var(--ease);
}
.page-products .feature-card:hover svg {
  color: var(--accent-cyan);
  transform: scale(1.05);
}
.page-products .feature-title {
  font-size: 18px;
  font-weight: 700;
}
.page-products .feature-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.page-products .feature-detail {
  border-top: 1px solid var(--border-line);
  padding: 14px 18px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}
.page-products .feature-card summary::after {
  position: absolute;
  right: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  transition: color var(--ease);
}
.page-products .feature-card[open] summary::after {
  content: "−";
  color: var(--accent-cyan);
}
.page-products .feature-card:not([open]) summary::after {
  content: "+";
  color: var(--text-secondary);
}
.page-products .feature-card:not([open]):hover summary::after {
  color: var(--accent-cyan);
}

/* ===== 访问方式 ===== */
.page-products .access-panel {
  position: relative;
  background: var(--panel-light);
  color: var(--base-dark);
  padding: 48px 0;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}
.page-products .access-panel::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), var(--accent-cyan));
}
.page-products .access-head {
  margin-bottom: 28px;
}
.page-products .access-panel .section-label,
.page-products .access-panel h2 {
  color: var(--base-dark);
}
.page-products .access-panel .index-label {
  color: var(--accent-blue);
}
.page-products .access-split {
  display: grid;
  gap: 28px;
}
.page-products .access-pc {
  display: grid;
  gap: 12px;
}
.page-products .monitor-frame {
  border: 2px solid var(--base-dark);
  background: var(--panel-dark);
  padding: 12px 12px 0;
}
.page-products .monitor-screen {
  border: 1px solid var(--border-line);
  background: var(--base-dark);
  padding: 24px 16px;
  text-align: center;
  min-height: 200px;
  display: grid;
  align-content: center;
  gap: 10px;
}
.page-products .monitor-screen p {
  color: var(--text-primary);
  margin: 0;
}
.page-products .monitor-screen .access-domain {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  word-break: break-all;
}
.page-products .monitor-screen .text-secondary {
  color: var(--text-secondary);
  font-size: 13px;
}
.page-products .monitor-stand {
  width: 40%;
  height: 18px;
  margin: 0 auto;
  background: var(--base-dark);
}
.page-products .access-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.page-products .access-divider span {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--base-dark);
  font-family: var(--font-mono);
}
.page-products .access-mobile {
  display: grid;
  gap: 16px;
  justify-items: center;
}
.page-products .device-mobile {
  max-width: 220px;
  width: 100%;
  border: 2px solid var(--base-dark);
  background: var(--panel-dark);
  padding: 10px 6px 6px;
}
.page-products .device-mobile img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border: 1px solid var(--border-line);
}
.page-products .mobile-access-info {
  text-align: center;
  max-width: 260px;
}
.page-products .mobile-access-info .access-domain {
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-purple);
}
.page-products .mobile-access-info p {
  margin: 8px 0;
  color: var(--base-dark);
}
.page-products .mobile-access-info .text-secondary {
  color: #475569;
  font-size: 13px;
  line-height: 1.6;
}
.page-products .access-ways {
  margin-top: 36px;
  display: grid;
  gap: 12px;
}
.page-products .way-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid #CBD5E1;
  background: #FFFFFF;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.page-products .way-item:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 8px 24px rgba(0, 168, 255, 0.1);
  transform: translateY(-2px);
}
.page-products .way-num {
  font-family: var(--font-mono);
  color: var(--accent-blue);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}
.page-products .way-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--base-dark);
}

/* ===== 技术保障 ===== */
.page-products .tech-panel {
  position: relative;
  padding: 48px 0;
  background: var(--base-dark);
}
.page-products .tech-head {
  margin-bottom: 28px;
}
.page-products .tech-content {
  display: grid;
  gap: 28px;
}
.page-products .tech-diagram {
  margin: 0;
  border: 1px solid var(--border-line);
  background: var(--panel-dark);
  padding: 10px;
}
.page-products .tech-diagram img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}
.page-products .tech-diagram figcaption {
  padding: 10px 4px 4px;
  font-size: 12px;
}
.page-products .tech-stats {
  display: grid;
  gap: 14px;
}
.page-products .tech-stat {
  padding: 18px;
  border: 1px solid var(--border-line);
  background: var(--panel-dark);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "icon name"
    "icon value"
    "icon desc";
  gap: 4px 16px;
  align-items: center;
  transition: border-color var(--ease), background var(--ease);
}
.page-products .tech-stat:hover {
  border-color: var(--accent-orange);
  background: #16202F;
}
.page-products .tech-stat svg {
  grid-area: icon;
  width: 36px;
  height: 36px;
  color: var(--accent-orange);
}
.page-products .stat-name {
  grid-area: name;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}
.page-products .stat-value {
  grid-area: value;
  font-size: 22px;
  font-weight: 800;
  margin: 0;
  color: var(--text-primary);
}
.page-products .tech-stat .text-secondary {
  grid-area: desc;
  font-size: 13px;
  margin: 0;
}
.page-products .tech-support {
  margin-top: 28px;
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border-line);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(0, 168, 255, 0.06), rgba(0, 229, 160, 0.05));
}
.page-products .tech-support p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 14px;
}
.page-products .tech-support .btn {
  justify-self: start;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-products .upgrade-right {
    grid-template-columns: minmax(0, 1fr) minmax(140px, 180px);
    align-items: start;
  }
  .page-products .upgrade-tooltip {
    margin-top: 48px;
  }
  .page-products .feature-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .access-ways {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .tech-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .products-hero-main {
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
    align-items: end;
  }
  .page-products .upgrade-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 48px;
  }
  .page-products .features-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-products .feature-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .access-split {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 20px;
    align-items: center;
  }
  .page-products .access-divider {
    flex-direction: column;
    align-self: stretch;
    gap: 12px;
  }
  .page-products .access-divider::before,
  .page-products .access-divider::after {
    content: "";
    width: 1px;
    flex: 1;
    background: linear-gradient(180deg, transparent, var(--accent-purple));
  }
  .page-products .access-divider::after {
    background: linear-gradient(180deg, var(--accent-purple), transparent);
  }
  .page-products .tech-content {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}