.page-products {
  --products-hero-bg: #111111;
  --products-panel-bg: #F5F1EA;
  --products-upgrade-bg: #0A2540;
  --products-data-bg: #E5E7EB;
  --products-scenario-bg: #F5F1EA;
  --products-download-bg: #111111;
  --products-line: #D1D5DB;
  --products-red: #E02A2A;
  --products-blue: #1B6DF2;
  --products-gold: #C9A227;
  --products-ink: #111111;
  --products-paper: #F5F1EA;
  --products-muted: #525252;
  --products-font-mono: "SF Mono", "Cascadia Mono", Consolas, "Roboto Mono", "Liberation Mono", monospace;
  --products-font-sans: system-ui, -apple-system, "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ========== Hero 首屏 ========== */
.page-products .products-hero {
  position: relative;
  background: var(--products-hero-bg);
  color: var(--products-paper);
  padding: clamp(2.5rem, 7vw, 5rem) 0 4rem;
  overflow: hidden;
}
.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px solid rgba(201, 162, 39, 0.35);
  box-shadow: 0 0 0 34px rgba(201, 162, 39, 0.08), 0 0 0 68px rgba(201, 162, 39, 0.04);
  pointer-events: none;
}
.page-products .products-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -1px;
  height: 56px;
  background: linear-gradient(112deg, transparent 68%, var(--products-red) 68%, var(--products-red) 74%, var(--products-gold) 74%, var(--products-gold) 79%, transparent 79%);
  opacity: 0.85;
  pointer-events: none;
}
.page-products .products-hero__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
  position: relative;
  z-index: 1;
}
.page-products .products-hero__breadcrumb {
  margin-bottom: 2rem;
}
.page-products .products-hero__breadcrumb a {
  color: rgba(245, 241, 234, 0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, color 200ms ease;
}
.page-products .products-hero__breadcrumb a:hover,
.page-products .products-hero__breadcrumb a:focus-visible {
  color: var(--products-paper);
  border-bottom-color: var(--products-red);
}
.page-products .products-hero__breadcrumb span[aria-current="page"] {
  color: var(--products-red);
  font-weight: 600;
}
.page-products .section-index--hero {
  color: var(--products-gold);
  margin-bottom: 1rem;
}
.page-products .products-hero__title {
  font-size: clamp(1.6rem, 4.6vw, 2.8rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.01em;
  max-width: 14em;
  margin: 0 0 1.25rem;
  text-shadow: 0 2px 0 rgba(224, 42, 42, 0.18);
}
.page-products .products-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 241, 234, 0.82);
  max-width: 58ch;
  margin: 0 0 1.75rem;
}
.page-products .products-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-products .products-hero__tag {
  font-family: var(--products-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(245, 241, 234, 0.28);
  border-radius: 999px;
  color: rgba(245, 241, 234, 0.85);
  background: rgba(255, 255, 255, 0.04);
}

/* ========== 服务概览 ========== */
.page-products .products-overview {
  background: var(--products-panel-bg);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.page-products .products-overview__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
}
.page-products .products-overview__head {
  max-width: 64ch;
  margin-bottom: 2.5rem;
}
.page-products .products-overview__head h2 {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  margin: 0.5rem 0 0.75rem;
  color: var(--products-ink);
}
.page-products .products-overview__head p {
  color: var(--products-muted);
  line-height: 1.75;
}
.page-products .overview-panel {
  display: grid;
  gap: 1.5rem;
}
.page-products .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-products .overview-card {
  background: var(--products-paper);
  border: 1px solid var(--products-line);
  border-radius: 8px;
  padding: 1.25rem;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.page-products .overview-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.08);
  border-color: rgba(224, 42, 42, 0.5);
}
.page-products .overview-card__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0;
}
.page-products .overview-card__summary::-webkit-details-marker {
  display: none;
}
.page-products .overview-card__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--products-font-mono);
  font-size: 1.1rem;
  color: var(--products-red);
  transition: transform 200ms ease;
}
.page-products .overview-card[open] .overview-card__summary::after {
  transform: rotate(45deg);
}
.page-products .overview-card__num {
  font-family: var(--products-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--products-gold);
  background: rgba(201, 162, 39, 0.12);
  border-radius: 4px;
  padding: 0.3rem 0.45rem;
  line-height: 1;
}
.page-products .overview-card__icon {
  flex-shrink: 0;
}
.page-products .overview-card__summary h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0;
  color: var(--products-ink);
}
.page-products .overview-card__body {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--products-line);
}
.page-products .overview-card__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--products-muted);
}
.page-products .products-overview__media {
  margin: 0;
}
.page-products .products-overview__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}

/* ========== 升级版服务 ========== */
.page-products .products-upgrade {
  position: relative;
  background: var(--products-upgrade-bg);
  color: var(--products-paper);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  overflow: hidden;
}
.page-products .products-upgrade::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 42, 42, 0.22) 0%, transparent 70%);
  pointer-events: none;
}
.page-products .products-upgrade__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
  position: relative;
  z-index: 1;
}
.page-products .products-upgrade__head {
  max-width: 60ch;
  margin-bottom: 2.5rem;
}
.page-products .products-upgrade__head h2 {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  margin: 0.5rem 0 0.75rem;
}
.page-products .products-upgrade__head p {
  color: rgba(245, 241, 234, 0.72);
  line-height: 1.75;
}
.page-products .section-index--light {
  color: var(--products-gold);
}
.page-products .upgrade-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.page-products .upgrade-feature {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 1.5rem 1.25rem;
  transition: background-color 200ms ease, transform 200ms ease;
}
.page-products .upgrade-feature:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}
.page-products .upgrade-feature__label {
  font-family: var(--products-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--products-red);
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}
.page-products .upgrade-feature h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
}
.page-products .upgrade-feature p {
  color: rgba(245, 241, 234, 0.7);
  line-height: 1.7;
  font-size: 0.92rem;
  margin: 0;
}
.page-products .upgrade-visual {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.page-products .upgrade-visual .media-frame {
  margin: 0;
}
.page-products .upgrade-visual .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}
.page-products .upgrade-speed {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 1.5rem;
}
.page-products .upgrade-speed h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0.4rem 0 0.75rem;
}
.page-products .upgrade-speed p {
  color: rgba(245, 241, 234, 0.72);
  line-height: 1.7;
  font-size: 0.92rem;
}
.page-products .speed-bars {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}
.page-products .speed-bar {
  display: grid;
  grid-template-columns: 4.5em 1fr 3.5em;
  align-items: center;
  gap: 0.6rem;
}
.page-products .speed-bar__label {
  font-family: var(--products-font-mono);
  font-size: 0.82rem;
  color: rgba(245, 241, 234, 0.7);
}
.page-products .speed-bar__track {
  height: 10px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
  display: block;
}
.page-products .speed-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}
.page-products .speed-bar__fill--std {
  width: 42%;
  background: var(--products-blue);
}
.page-products .speed-bar__fill--pro {
  width: 100%;
  background: linear-gradient(90deg, var(--products-red), var(--products-gold));
}
.page-products .speed-bar__value {
  font-family: var(--products-font-mono);
  font-size: 0.82rem;
  text-align: right;
  color: var(--products-paper);
}
.page-products .products-upgrade__speed-media {
  margin-bottom: 3rem;
}
.page-products .products-upgrade__speed-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}

/* 版本对比 */
.page-products .version-compare {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 2.5rem;
}
.page-products .version-compare__head {
  margin-bottom: 1.5rem;
}
.page-products .version-compare__head h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0.4rem 0 0;
}
.page-products .version-compare__grid {
  display: grid;
  gap: 1.25rem;
}
.page-products .version-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  padding: 1.25rem;
  transition: border-color 200ms ease, background-color 200ms ease;
}
.page-products .version-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.07);
}
.page-products .version-card--pro {
  border-left: 3px solid var(--products-red);
}
.page-products .version-card__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0;
}
.page-products .version-card__head::-webkit-details-marker {
  display: none;
}
.page-products .version-card__badge {
  font-family: var(--products-font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--products-paper);
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.14);
}
.page-products .version-card__badge--gold {
  background: rgba(201, 162, 39, 0.28);
  color: var(--products-gold);
}
.page-products .version-card__hint {
  font-family: var(--products-font-mono);
  font-size: 0.72rem;
  color: rgba(245, 241, 234, 0.5);
}
.page-products .version-card__list {
  list-style: none;
  padding: 1rem 0 0;
  margin: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  display: grid;
  gap: 0.55rem;
}
.page-products .version-card__list li {
  font-size: 0.92rem;
  color: rgba(245, 241, 234, 0.82);
  padding-left: 1.1em;
  position: relative;
}
.page-products .version-card__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--products-blue);
}
.page-products .version-card--pro .version-card__list li::before {
  color: var(--products-red);
}
.page-products .version-compare__note {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
  color: rgba(245, 241, 234, 0.62);
  line-height: 1.7;
}

/* ========== 数据模块详解 ========== */
.page-products .products-data {
  background: var(--products-data-bg);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.page-products .products-data__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
}
.page-products .products-data__head {
  max-width: 68ch;
  margin-bottom: 2.5rem;
}
.page-products .products-data__head h2 {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  margin: 0.5rem 0 0.75rem;
  color: var(--products-ink);
}
.page-products .products-data__head p {
  color: var(--products-muted);
  line-height: 1.75;
}
.page-products .data-module-list {
  display: grid;
  gap: 1rem;
}
.page-products .data-module {
  background: var(--products-paper);
  border: 1px solid var(--products-line);
  border-radius: 8px;
  padding: 1.4rem 1.25rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  transition: box-shadow 200ms ease, transform 200ms ease;
}
.page-products .data-module:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.07);
}
.page-products .data-module__index {
  font-family: var(--products-font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--products-red);
  background: rgba(224, 42, 42, 0.1);
  border-radius: 6px;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .data-module__body h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--products-ink);
}
.page-products .data-module__body p {
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--products-muted);
}
.page-products .data-module__meta {
  grid-column: 2;
  font-family: var(--products-font-mono);
  font-size: 0.78rem;
  color: var(--products-blue);
  margin: 0;
  padding-top: 0.4rem;
  border-top: 1px dashed var(--products-line);
}
.page-products .data-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.5rem;
}

/* ========== 使用场景 ========== */
.page-products .products-scenarios {
  background: var(--products-scenario-bg);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  position: relative;
  overflow: hidden;
}
.page-products .products-scenarios::before {
  content: "";
  position: absolute;
  left: -80px;
  bottom: 20%;
  width: 220px;
  height: 220px;
  background: linear-gradient(135deg, rgba(224, 42, 42, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-products .products-scenarios__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
  position: relative;
  z-index: 1;
}
.page-products .products-scenarios__head {
  max-width: 62ch;
  margin-bottom: 2.5rem;
}
.page-products .products-scenarios__head h2 {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  margin: 0.5rem 0 0.75rem;
  color: var(--products-ink);
}
.page-products .products-scenarios__head p {
  color: var(--products-muted);
  line-height: 1.75;
}
.page-products .scenario-flow {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.page-products .scenario-step {
  position: relative;
  background: var(--products-paper);
  border: 1px solid var(--products-line);
  border-radius: 8px;
  padding: 1.5rem 1.25rem 1.25rem 1.6rem;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.page-products .scenario-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.07);
}
.page-products .scenario-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  bottom: 1.1rem;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--products-red), var(--products-gold));
}
.page-products .scenario-step__phase {
  font-family: var(--products-font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--products-gold);
  margin: 0 0 0.4rem;
}
.page-products .scenario-step h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin: 0 0 0.55rem;
  color: var(--products-ink);
}
.page-products .scenario-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--products-muted);
}
.page-products .products-scenarios__media {
  margin: 0 0 2.5rem;
}
.page-products .products-scenarios__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}
.page-products .scenarios-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ========== 下载与访问 ========== */
.page-products .products-download {
  background: var(--products-download-bg);
  color: var(--products-paper);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  position: relative;
  overflow: hidden;
}
.page-products .products-download::after {
  content: "HB / DOWNLOAD";
  position: absolute;
  right: -20px;
  bottom: 12px;
  font-family: var(--products-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.18);
  transform: rotate(90deg);
  transform-origin: right bottom;
  pointer-events: none;
}
.page-products .products-download__inner {
  max-width: var(--hb-container, 1280px);
  margin: 0 auto;
  padding: 0 var(--hb-gutter, 1rem);
  position: relative;
  z-index: 1;
}
.page-products .products-download__head {
  max-width: 62ch;
  margin-bottom: 2.5rem;
}
.page-products .products-download__head h2 {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  margin: 0.5rem 0 0.75rem;
}
.page-products .products-download__head p {
  color: rgba(245, 241, 234, 0.72);
  line-height: 1.75;
}
.page-products .download-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.page-products .download-steps {
  display: grid;
  gap: 1.2rem;
}
.page-products .download-step {
  display: flex;
  gap: 1rem;
  padding: 1rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.page-products .download-step__num {
  font-family: var(--products-font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--products-red);
  background: rgba(224, 42, 42, 0.16);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.page-products .download-step__content h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
}
.page-products .download-step__content p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(245, 241, 234, 0.68);
}
.page-products .products-download__media {
  margin: 0;
}
.page-products .products-download__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
}
.page-products .download-help {
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--products-red);
  border-radius: 4px;
  padding: 1.5rem 1.4rem;
}
.page-products .download-help__title {
  font-weight: 800;
  font-size: 1.02rem;
  margin: 0 0 0.8rem;
}
.page-products .download-help__contact {
  display: grid;
  gap: 0.4rem;
  font-size: 0.92rem;
  color: rgba(245, 241, 234, 0.8);
  margin-bottom: 0.7rem;
}
.page-products .download-help__note {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(245, 241, 234, 0.55);
}

/* ========== 响应式（桌面端） ========== */
@media (min-width: 768px) {
  .page-products .products-hero__title {
    max-width: 16em;
  }

  .page-products .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-products .overview-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
  .page-products .overview-panel .overview-grid {
    grid-column: 1;
  }
  .page-products .products-overview__media {
    grid-column: 2;
    position: sticky;
    top: 2rem;
  }

  .page-products .upgrade-features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .upgrade-visual {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
  .page-products .products-upgrade__speed-media {
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-products .version-compare__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .data-module-list {
    gap: 1.25rem;
  }
  .page-products .data-module {
    padding: 1.7rem 1.6rem;
  }

  .page-products .scenario-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-products .download-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: center;
  }
  .page-products .download-help__contact {
    grid-template-columns: repeat(3, auto);
    gap: 1.5rem;
    justify-content: start;
  }
}

@media (min-width: 1024px) {
  .page-products .products-hero {
    padding-bottom: 5rem;
  }
  .page-products .products-hero__lead {
    font-size: 1.08rem;
  }
  .page-products .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .products-upgrade__speed-media {
    max-width: 400px;
  }
}