.page-products {
  --pp-card-pad: clamp(20px, 3vw, 36px);
  --pp-feature-gap: 20px;
}

/* ---------- 首屏：产品主视觉 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: 30px 0 40px;
  background:
    radial-gradient(ellipse 70% 60% at 88% 10%, rgba(61, 255, 158, 0.1), transparent),
    radial-gradient(ellipse 55% 45% at 6% 90%, rgba(255, 107, 53, 0.07), transparent),
    linear-gradient(rgba(35, 53, 84, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 53, 84, 0.4) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px, 28px 28px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
  transform: skewX(-6deg);
  transform-origin: left;
  opacity: 0.65;
}

.page-products .pp-hero-inner {
  display: grid;
  gap: 28px;
}

.page-products .pp-hero-copy {
  display: grid;
  gap: 18px;
  align-content: center;
}

.page-products .pp-hero-copy .section-label {
  justify-self: start;
}

.page-products .pp-hero-copy h1 {
  font-family: var(--body-font);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0;
}

.page-products .pp-hero-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-sub);
  max-width: 54ch;
  margin: 0;
}

.page-products .pp-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 2px;
}

.page-products .pp-stat-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  min-width: 92px;
  transition: border-color var(--ease-fast);
}

.page-products .pp-stat-item:hover {
  border-color: var(--accent-green);
}

.page-products .pp-stat-num {
  display: block;
  color: var(--accent-green);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.page-products .pp-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-sub);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .pp-hero-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.page-products .pp-hero-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pp-hero-visual .caption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-sub);
}

/* ---------- 核心功能 ---------- */
.page-products .pp-features {
  position: relative;
  padding: 44px 0 52px;
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.5), rgba(10, 25, 47, 0) 160px);
}

.page-products .pp-features::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(100deg, var(--accent-green), var(--accent-orange) 85%, transparent);
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 100%);
  opacity: 0.5;
}

.page-products .pp-features-layout {
  display: grid;
  gap: 28px;
}

.page-products .pp-features-nav {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pp-features-nav h2,
.page-products .pp-version h2,
.page-products .pp-guide-copy h2,
.page-products .pp-support h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-products .pp-features-nav-desc,
.page-products .pp-guide-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-products .pp-feature-anchors {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-feature-anchor {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--ease-fast), background var(--ease-fast), color var(--ease-fast), transform var(--ease-fast);
}

.page-products .pp-feature-anchor .mono {
  color: var(--accent-orange);
  font-size: 13px;
}

.page-products .pp-feature-anchor:hover {
  background: var(--bg-hover);
  border-color: var(--accent-green);
  color: var(--accent-green);
  transform: translateX(3px);
}

.page-products .pp-features-nav-foot {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}

.page-products .pp-features-nav-foot a {
  color: var(--accent-green);
  text-decoration: none;
}

.page-products .pp-features-nav-foot a:hover {
  text-decoration: underline;
}

.page-products .pp-features-main {
  display: grid;
  gap: var(--pp-feature-gap);
}

.page-products .pp-feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-green);
  border-radius: var(--radius-lg);
  padding: var(--pp-card-pad);
  overflow: hidden;
  transition: transform var(--ease-fast), border-color var(--ease-fast), box-shadow var(--ease-fast);
  scroll-margin-top: 90px;
}

.page-products .pp-feature-card:nth-child(even) {
  border-top-color: var(--accent-orange);
}

.page-products .pp-feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 40px 40px 0;
  border-color: transparent rgba(61, 255, 158, 0.18) transparent transparent;
  pointer-events: none;
}

.page-products .pp-feature-card:nth-child(even)::before {
  border-color: transparent rgba(255, 107, 53, 0.2) transparent transparent;
}

.page-products .pp-feature-card:hover {
  transform: perspective(1100px) rotateX(0.6deg) rotateY(-0.4deg) translateY(-3px);
  border-color: var(--accent-green);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.3);
}

.page-products .pp-feature-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-products .pp-feature-index {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(61, 255, 158, 0.08);
  border: 1px solid rgba(61, 255, 158, 0.35);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  line-height: 1.2;
}

.page-products .pp-feature-card:nth-child(even) .pp-feature-index {
  color: var(--accent-orange);
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.35);
}

.page-products .pp-feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 10px;
}

.page-products .pp-feature-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
  margin: 0;
  max-width: 66ch;
}

.page-products .pp-feature-media {
  margin: 18px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-products .pp-feature-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pp-feature-media .caption {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text-sub);
}

.page-products .pp-tab-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 2px;
}

.page-products .pp-tab-mini-item {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--grid-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: default;
}

.page-products .pp-tab-mini-item.is-active {
  color: var(--bg-deep);
  background: var(--accent-green);
  border-color: var(--accent-green);
  font-weight: 700;
}

.page-products .pp-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 13px;
}

.page-products .pp-compare-table th,
.page-products .pp-compare-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-compare-table thead th {
  background: var(--grid-deep);
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-products .pp-compare-table tbody th {
  color: var(--text-main);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-compare-table tbody td {
  color: var(--text-main);
}

.page-products .pp-compare-table tbody tr:last-child th,
.page-products .pp-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pp-compare-table tbody tr:hover th,
.page-products .pp-compare-table tbody tr:hover td {
  background: var(--bg-hover);
}

.page-products .pp-compare-row-diff th {
  color: var(--accent-orange);
}

.page-products .pp-compare-row-diff td {
  background: rgba(255, 107, 53, 0.06);
}

.page-products .pp-offline-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-offline-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-main);
  padding: 10px 14px;
  background: rgba(11, 30, 59, 0.45);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-products .pp-offline-list-item .mono {
  font-size: 12px;
}

.page-products .pp-live-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(61, 255, 158, 0.06);
  border: 1px solid rgba(61, 255, 158, 0.3);
  border-radius: var(--radius-md);
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--text-main);
}

.page-products .pp-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 0 rgba(61, 255, 158, 0.55);
  animation: pp-pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(61, 255, 158, 0.5);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(61, 255, 158, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(61, 255, 158, 0);
  }
}

.page-products .pp-live-time {
  margin-left: auto;
  color: var(--accent-green);
  font-size: 13px;
}

.page-products .pp-report-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.page-products .pp-report-chip {
  padding: 8px 18px;
  background: var(--grid-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  transition: border-color var(--ease-fast), color var(--ease-fast);
}

.page-products .pp-report-chip:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* ---------- 工具版本演进 ---------- */
.page-products .pp-version {
  padding: 46px 0 52px;
  background: linear-gradient(180deg, transparent, rgba(17, 34, 64, 0.35));
}

.page-products .pp-version .section-head {
  margin-bottom: 28px;
}

.page-products .pp-version-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 16px;
}

.page-products .pp-version-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}

.page-products .pp-version-item {
  position: relative;
  padding-left: 34px;
}

.page-products .pp-version-node {
  position: absolute;
  left: 0;
  top: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 4px solid var(--accent-green);
  box-sizing: border-box;
}

.page-products .pp-version-node-current {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.2);
}

.page-products .pp-version-body {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: border-color var(--ease-fast), background var(--ease-fast), transform var(--ease-fast);
}

.page-products .pp-version-item:hover .pp-version-body {
  border-color: var(--accent-green);
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.page-products .pp-version-item-current .pp-version-body {
  border-color: rgba(255, 107, 53, 0.4);
}

.page-products .pp-version-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--grid-deep);
  border: 1px solid var(--line);
  color: var(--accent-green);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-products .pp-version-badge-current {
  color: var(--accent-orange);
  border-color: rgba(255, 107, 53, 0.5);
  background: rgba(255, 107, 53, 0.08);
}

.page-products .pp-version-head {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text-main);
}

.page-products .pp-version-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0;
}

.page-products .pp-version-visual {
  margin: 28px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.page-products .pp-version-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pp-version-visual .caption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-sub);
}

/* ---------- 站内索引使用指南 ---------- */
.page-products .pp-guide {
  padding: 44px 0 48px;
  background: linear-gradient(180deg, rgba(11, 30, 59, 0.35), transparent);
}

.page-products .pp-guide-layout {
  display: grid;
  gap: 28px;
}

.page-products .pp-guide-copy {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pp-guide-desc {
  margin-bottom: 6px;
}

.page-products .pp-guide-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-guide-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color var(--ease-fast), transform var(--ease-fast), background var(--ease-fast);
}

.page-products .pp-guide-step:hover {
  border-color: var(--accent-green);
  background: var(--bg-hover);
  transform: translateX(4px);
}

.page-products .pp-guide-step-num {
  flex-shrink: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-orange);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 12px;
  padding: 7px 10px;
  line-height: 1;
  min-width: 42px;
  text-align: center;
  box-sizing: border-box;
}

.page-products .pp-guide-step-copy {
  min-width: 0;
}

.page-products .pp-guide-step-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-main);
}

.page-products .pp-guide-step-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
}

.page-products .pp-guide-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.page-products .pp-guide-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pp-guide-visual .caption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-sub);
}

/* ---------- 技术支持与反馈 ---------- */
.page-products .pp-support {
  position: relative;
  padding: 44px 0 56px;
  border-top: 1px solid var(--line);
}

.page-products .pp-support::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
}

.page-products .pp-support .section-head {
  margin-bottom: 24px;
}

.page-products .pp-support-grid {
  display: grid;
  gap: 14px;
}

.page-products .pp-support-card {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-main);
  transition: border-color var(--ease-fast), background var(--ease-fast), transform var(--ease-fast), box-shadow var(--ease-fast);
}

.page-products .pp-support-card:hover {
  border-color: var(--accent-green);
  background: var(--bg-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.25);
}

.page-products .pp-support-card-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-orange);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 12px;
}

.page-products .pp-support-card-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.page-products .pp-support-card-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
}

.page-products .pp-support-note {
  margin: 22px 0 0;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.65;
  background: rgba(244, 201, 93, 0.06);
  border: 1px solid rgba(244, 201, 93, 0.25);
  border-left: 4px solid var(--warn);
  border-radius: var(--radius-md);
}

.page-products .pp-support-note .text-orange {
  font-weight: 700;
}

/* ---------- 移动端：功能锚点横向滚动 ---------- */
@media (max-width: 767.98px) {
  .page-products .pp-feature-anchors {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .page-products .pp-feature-anchors::-webkit-scrollbar {
    display: none;
  }

  .page-products .pp-feature-anchor {
    flex-shrink: 0;
  }
}

/* ---------- 响应式：平板及以上 ---------- */
@media (min-width: 768px) {
  .page-products .pp-hero {
    padding: 44px 0 56px;
  }

  .page-products .pp-hero-inner {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .pp-features-layout {
    grid-template-columns: minmax(220px, 260px) 1fr;
    gap: 36px;
  }

  .page-products .pp-features-main {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-feature-card-wide {
    grid-column: 1 / -1;
  }

  .page-products .pp-guide-layout {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .pp-support-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 响应式：桌面端 ---------- */
@media (min-width: 1024px) {
  .page-products .pp-version-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-products .pp-version-timeline::before {
    left: 0;
    right: 0;
    top: 7px;
    width: auto;
    height: 2px;
    bottom: auto;
  }

  .page-products .pp-version-item {
    padding-left: 0;
  }

  .page-products .pp-version-node {
    left: 0;
    top: 0;
  }

  .page-products .pp-version-body {
    margin-top: 24px;
  }

  .page-products .pp-version-visual {
    max-width: 960px;
  }

  .page-products .pp-guide-layout {
    gap: 48px;
  }
}