.page-products {
  --page-blue-rgb: 0, 212, 255;
  --page-purple-rgb: 155, 89, 255;
  --page-green-rgb: 57, 255, 20;
  --page-cut: 12px;
  --page-gap: 28px;
  --page-panel: rgba(18, 26, 44, 0.72);
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 英雄区 ---------- */
.page-products .product-hero {
  position: relative;
  padding: 30px 0 56px;
  background:
    radial-gradient(ellipse at 82% 12%, rgba(var(--page-purple-rgb), 0.22), transparent 55%),
    radial-gradient(ellipse at 8% 92%, rgba(var(--page-blue-rgb), 0.16), transparent 50%);
  border-bottom: 1px solid var(--grid-line);
  overflow: hidden;
}

.page-products .product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 36px 36px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 36px 36px;
  opacity: 0.42;
  pointer-events: none;
}

.page-products .product-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .product-hero-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .hero-version {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon-green);
  border: 1px solid rgba(var(--page-green-rgb), 0.35);
  border-radius: 999px;
  background: rgba(var(--page-green-rgb), 0.06);
  text-transform: uppercase;
}

.page-products .product-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .hero-kicker {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon-blue);
  background: rgba(var(--page-blue-rgb), 0.09);
  border-left: 3px solid var(--neon-blue);
  text-transform: uppercase;
}

.page-products .product-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 60px);
  font-weight: 800;
  font-style: italic;
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-products .hero-subline {
  display: block;
  margin-top: 8px;
  font-size: clamp(18px, 3.2vw, 28px);
  font-style: normal;
  font-weight: 700;
  color: var(--neon-blue);
  text-shadow: 0 0 28px rgba(var(--page-blue-rgb), 0.45);
}

.page-products .hero-lead {
  margin: 20px 0 24px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
  max-width: 540px;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 480px;
}

.page-products .hero-stat {
  padding: 14px 12px;
  border: 1px solid var(--grid-line);
  border-radius: 4px;
  background: var(--page-panel);
  text-align: center;
}

.page-products .hero-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--neon-green);
  text-shadow: 0 0 18px rgba(var(--page-green-rgb), 0.45);
}

.page-products .hero-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}

.page-products .hero-visual {
  position: relative;
}

.page-products .hero-visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 4px;
  border: 1px solid var(--grid-line);
  background: var(--bg-float);
  object-fit: cover;
}

.page-products .hero-visual-tag {
  display: none;
}

/* ---------- 区块标题 ---------- */
.page-products .section-head {
  margin-bottom: 28px;
}

.page-products .section-code {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--neon-purple);
  background: rgba(var(--page-purple-rgb), 0.08);
  border-radius: 2px;
  text-transform: uppercase;
}

.page-products .section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.15;
  position: relative;
  padding-left: 16px;
}

.page-products .section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
}

.page-products .section-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 560px;
}

/* ---------- 服务总览 ---------- */
.page-products .service-overview {
  padding: 56px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-products .service-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 18px;
  background-color: var(--bg-float);
  border: 1px solid var(--grid-line);
  border-radius: 6px;
  background-image:
    linear-gradient(rgba(30, 42, 58, 0.32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 58, 0.32) 1px, transparent 1px);
  background-size: 26px 26px;
}

.page-products .service-card {
  position: relative;
  padding: 22px 18px 16px;
  border: 1px solid var(--grid-line);
  border-radius: 4px;
  background: rgba(10, 14, 23, 0.82);
  transition: transform 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.28s, box-shadow 0.28s;
}

.page-products .service-card::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 18px;
  height: 18px;
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.4;
  transition: opacity 0.25s;
}

.page-products .service-card:hover,
.page-products .service-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.5);
}

.page-products .service-card:hover::after,
.page-products .service-card:focus-within::after {
  opacity: 1;
}

.page-products .service-card-blue {
  border-left: 3px solid var(--neon-blue);
}

.page-products .service-card-blue::after {
  background: var(--neon-blue);
}

.page-products .service-card-blue .service-card-num {
  color: var(--neon-blue);
}

.page-products .service-card-purple {
  border-left: 3px solid var(--neon-purple);
}

.page-products .service-card-purple::after {
  background: var(--neon-purple);
}

.page-products .service-card-purple .service-card-num {
  color: var(--neon-purple);
}

.page-products .service-card-green {
  border-left: 3px solid var(--neon-green);
}

.page-products .service-card-green::after {
  background: var(--neon-green);
}

.page-products .service-card-green .service-card-num {
  color: var(--neon-green);
}

.page-products .service-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.page-products .service-card-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  font-style: italic;
  opacity: 0.85;
}

.page-products .service-card-head svg {
  color: var(--text-dim);
  transition: color 0.25s;
}

.page-products .service-card:hover .service-card-head svg,
.page-products .service-card:focus-within .service-card-head svg {
  color: var(--neon-blue);
}

.page-products .service-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .service-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .service-card-tip {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  background: rgba(18, 26, 44, 0.6);
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}

.page-products .service-card:hover .service-card-tip,
.page-products .service-card:focus-within .service-card-tip {
  color: var(--text-main);
  border-color: var(--neon-blue);
  background: rgba(var(--page-blue-rgb), 0.08);
}

/* ---------- 下载与收藏 ---------- */
.page-products .download-section {
  padding: 56px 0;
  background: linear-gradient(135deg, rgba(var(--page-blue-rgb), 0.04), transparent 60%);
  border-bottom: 1px solid var(--grid-line);
}

.page-products .feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-products .feature-text h2,
.page-products .index-panel h3,
.page-products .rank-panel h3,
.page-products .revisit-copy h2,
.page-products .flow-step h3,
.page-products .help-copy h2 {
  margin: 8px 0 12px;
  font-size: 26px;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-products .feature-code {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon-blue);
  text-transform: uppercase;
}

.page-products .feature-desc {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .feature-list li {
  position: relative;
  padding: 14px 16px 14px 20px;
  border: 1px solid var(--grid-line);
  border-radius: 4px;
  background: var(--page-panel);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  transition: border-color 0.25s, background 0.25s;
}

.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
}

.page-products .feature-list li:hover {
  border-color: rgba(var(--page-blue-rgb), 0.45);
  background: rgba(var(--page-blue-rgb), 0.05);
}

.page-products .feature-list strong {
  color: var(--text-main);
  font-weight: 700;
}

.page-products .feature-media {
  position: relative;
}

.page-products .feature-media img,
.page-products .rank-visual img,
.page-products .revisit-media img,
.page-products .flow-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 4px;
  border: 1px solid var(--grid-line);
  background: var(--bg-float);
  object-fit: cover;
}

.page-products .feature-media-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 12px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon-green);
  background: rgba(10, 14, 23, 0.82);
  border-left: 3px solid var(--neon-green);
  text-transform: uppercase;
}

/* ---------- 站内索引与小组排名 ---------- */
.page-products .index-rank-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-products .index-rank-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .index-panel,
.page-products .rank-panel {
  padding: 24px;
  border: 1px solid var(--grid-line);
  border-radius: 6px;
  background: var(--page-panel);
}

.page-products .index-panel-desc {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-dim);
}

.page-products .index-chain {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .index-chain li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border: 1px solid var(--grid-line);
  border-radius: 3px;
  background: rgba(10, 14, 23, 0.65);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s, border-color 0.25s;
}

.page-products .index-chain li:hover {
  background: rgba(var(--page-blue-rgb), 0.06);
  border-color: rgba(var(--page-blue-rgb), 0.35);
}

.page-products .index-chain i {
  width: 14px;
  height: 14px;
  background: var(--grid-line);
  clip-path: polygon(100% 50%, 0 0, 0 100%);
}

.page-products .index-chain li:nth-last-child(1) i {
  display: none;
}

.page-products .spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.page-products .spec-item {
  padding: 12px;
  border: 1px solid var(--grid-line);
  border-radius: 3px;
  background: rgba(10, 14, 23, 0.65);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .spec-label {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.page-products .spec-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--neon-blue);
}

.page-products .rank-visual {
  margin-bottom: 14px;
}

.page-products .rank-readout {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
}

.page-products .rank-readout li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .rank-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.page-products .dot-blue { background: var(--neon-blue); box-shadow: 0 0 10px rgba(var(--page-blue-rgb), 0.6); }
.page-products .dot-green { background: var(--neon-green); box-shadow: 0 0 10px rgba(var(--page-green-rgb), 0.6); }
.page-products .dot-purple { background: var(--neon-purple); box-shadow: 0 0 10px rgba(var(--page-purple-rgb), 0.6); }

/* ---------- 回访入口 ---------- */
.page-products .revisit-section {
  padding: 56px 0;
  background: linear-gradient(135deg, rgba(var(--page-purple-rgb), 0.05), transparent 55%);
  border-bottom: 1px solid var(--grid-line);
}

.page-products .revisit-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-products .revisit-lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .revisit-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .revisit-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--grid-line);
  border-radius: 4px;
  background: rgba(10, 14, 23, 0.7);
  transition: border-color 0.25s, transform 0.25s;
}

.page-products .revisit-card:hover,
.page-products .revisit-card:focus-within {
  border-color: rgba(var(--page-purple-rgb), 0.5);
  transform: translateX(4px);
}

.page-products .revisit-card-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--neon-purple);
  border: 1px solid rgba(var(--page-purple-rgb), 0.35);
  border-radius: 3px;
  background: rgba(var(--page-purple-rgb), 0.07);
}

.page-products .revisit-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
}

.page-products .revisit-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .revisit-media {
  position: relative;
}

.page-products .revisit-media-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(var(--page-green-rgb), 0.3);
  border-radius: 3px;
  background: rgba(10, 14, 23, 0.7);
  font-size: 13px;
  color: var(--text-dim);
}

.page-products .note-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(var(--page-green-rgb), 0.6);
  animation: products-pulse 2.4s ease-in-out infinite;
}

@keyframes products-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- 使用流程 ---------- */
.page-products .usage-flow {
  padding: 56px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-products .flow-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-products .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: flow;
}

.page-products .flow-step {
  display: flex;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--grid-line);
  border-radius: 4px;
  background: var(--page-panel);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.page-products .flow-step:hover,
.page-products .flow-step:focus-within {
  border-color: rgba(var(--page-blue-rgb), 0.45);
  background: rgba(var(--page-blue-rgb), 0.05);
  transform: translateY(-2px);
}

.page-products .flow-step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--neon-blue);
  border: 1px solid rgba(var(--page-blue-rgb), 0.4);
  border-radius: 3px;
  background: rgba(var(--page-blue-rgb), 0.07);
}

.page-products .flow-step-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-products .flow-step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .flow-media {
  display: flex;
  align-items: flex-end;
}

/* ---------- 帮助与延伸 ---------- */
.page-products .service-help {
  padding: 48px 0 60px;
}

.page-products .help-panel {
  padding: 28px 24px;
  border: 1px solid var(--grid-line);
  border-radius: 6px;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(var(--page-purple-rgb), 0.12), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(var(--page-blue-rgb), 0.1), transparent 45%),
    var(--page-panel);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-products .help-copy h2 {
  font-size: 26px;
}

.page-products .help-copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 600px;
}

.page-products .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板适配 ---------- */
@media (min-width: 640px) {
  .page-products .hero-stats {
    gap: 14px;
  }

  .page-products .hero-stat-num {
    font-size: 26px;
  }

  .page-products .service-map {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feature-row,
  .page-products .revisit-layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .index-rank-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-products .revisit-cards {
    grid-template-columns: 1fr;
  }

  .page-products .flow-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products .flow-step {
    padding: 20px;
  }

  .page-products .help-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .help-copy {
    flex: 1;
  }

  .page-products .help-actions {
    flex-shrink: 0;
  }

  .page-products .hero-visual-tag {
    display: inline-block;
    position: absolute;
    padding: 6px 14px;
    font-family: var(--font-display);
    font-size: 12px;
    letter-spacing: 0.1em;
    border-radius: 2px;
    background: rgba(10, 14, 23, 0.85);
    border-left: 3px solid var(--neon-blue);
    color: var(--text-main);
  }

  .page-products .tag-blue {
    left: 12px;
    top: 12px;
    border-left-color: var(--neon-blue);
    color: var(--neon-blue);
  }

  .page-products .tag-purple {
    right: 12px;
    top: 40%;
    border-left-color: var(--neon-purple);
    color: var(--neon-purple);
  }

  .page-products .tag-green {
    left: 20%;
    bottom: 12px;
    border-left-color: var(--neon-green);
    color: var(--neon-green);
  }
}

/* ---------- 桌面适配 ---------- */
@media (min-width: 960px) {
  .page-products .product-hero {
    padding: 44px 0 72px;
  }

  .page-products .product-hero-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
  }

  .page-products .hero-stat-num {
    font-size: 28px;
  }

  .page-products .service-overview,
  .page-products .download-section,
  .page-products .index-rank-section,
  .page-products .revisit-section,
  .page-products .usage-flow {
    padding: 72px 0;
  }

  .page-products .service-map {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    padding: 22px;
  }

  .page-products .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-products .index-rank-grid {
    gap: 20px;
  }

  .page-products .revisit-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-products .revisit-cards {
    grid-template-columns: 1fr;
  }

  .page-products .flow-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-products .flow-list {
    gap: 12px;
  }

  .page-products .flow-step {
    padding: 18px 22px;
  }

  .page-products .help-panel {
    padding: 36px 40px;
  }
}

/* ---------- 大屏横向 ---------- */
@media (min-width: 1280px) {
  .page-products .revisit-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .revisit-layout {
    gap: 60px;
  }

  .page-products .feature-list {
    gap: 16px;
  }
}