.page-products {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.page-products .breadcrumb {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-lg) 0;
}

.page-products .breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--type-small);
  color: var(--color-gray);
}

.page-products .breadcrumb__link {
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-products .breadcrumb__link:hover {
  color: var(--color-primary);
}

.page-products .breadcrumb__separator {
  color: var(--color-gray);
}

/* ===== 英雄区 ===== */
.page-products .app-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #2a7a3e 100%);
  color: var(--color-white);
  margin: 0 var(--space-md) var(--space-3xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.page-products .app-hero__stripe {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, transparent 40%, rgba(212, 175, 55, 0.25) 40%, rgba(212, 175, 55, 0.25) 55%, transparent 55%);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-products .app-hero__stripe::after {
  content: "";
  position: absolute;
  top: 60px;
  left: -20px;
  width: 200px;
  height: 4px;
  background: rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-pill);
  transform: rotate(-45deg);
}

.page-products .app-hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg) var(--space-2xl);
  text-align: center;
}

.page-products .app-hero__platform {
  display: inline-block;
  font-size: var(--type-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(212, 175, 55, 0.6);
  border-radius: var(--radius-pill);
  padding: 0.3rem 1rem;
  margin-bottom: var(--space-md);
}

.page-products .app-hero__title {
  font-family: var(--font-title);
  font-size: var(--type-hero);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-md);
}

.page-products .app-hero__lede {
  font-size: var(--type-h3);
  line-height: 1.6;
  max-width: 36rem;
  margin: 0 auto var(--space-xl);
  color: rgba(255, 255, 255, 0.9);
}

.page-products .app-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.page-products .app-hero__actions .btn--gold {
  background: var(--color-gold);
  color: var(--color-primary-dark);
  border: none;
}

.page-products .app-hero__actions .btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.page-products .app-hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--type-small);
  color: rgba(255, 255, 255, 0.8);
}

.page-products .app-hero__meta li {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
}

.page-products .app-hero__visual {
  flex-shrink: 0;
}

.page-products .app-hero__icon-img {
  display: block;
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 28px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

/* ===== 下载入口 ===== */
.page-products .download-section {
  margin-bottom: var(--space-3xl);
}

.page-products .download-section .section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.page-products .download-section .eyebrow {
  color: var(--color-gold);
}

.page-products .download-section .section-title {
  font-family: var(--font-title);
  font-size: var(--type-h1);
  margin: var(--space-xs) 0 var(--space-sm);
}

.page-products .download-section .lead {
  color: var(--color-gray);
  max-width: 40rem;
  margin: 0 auto;
}

.page-products .download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-products .download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border-top: 6px solid var(--color-gold);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.page-products .download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.page-products .download-card__qr {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.page-products .download-card__qr svg {
  display: block;
  width: 160px;
  height: 160px;
}

.page-products .download-card__content h3 {
  font-family: var(--font-title);
  font-size: var(--type-h2);
  margin: 0 0 var(--space-sm);
}

.page-products .download-card__content p {
  font-size: var(--type-body);
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0 auto var(--space-sm);
  max-width: 24rem;
}

.page-products .download-card__hint {
  font-size: var(--type-small);
  color: var(--color-gold);
  font-weight: 600;
}

/* ===== 核心功能 ===== */
.page-products .features-section {
  margin-bottom: var(--space-3xl);
}

.page-products .features-section .section-header {
  margin-bottom: var(--space-2xl);
}

.page-products .features-section .eyebrow {
  color: var(--color-primary);
  font-weight: 700;
}

.page-products .features-section .section-title {
  font-family: var(--font-title);
  font-size: var(--type-h1);
  margin: var(--space-xs) 0 var(--space-sm);
}

.page-products .features-section .lead {
  color: var(--color-gray);
  max-width: 42rem;
}

.page-products .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-products .feature-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.page-products .feature-card__body {
  padding: var(--space-xl) var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-products .feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(26, 92, 46, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.page-products .feature-card__icon svg {
  width: 36px;
  height: 36px;
}

.page-products .feature-card__icon--gold {
  background: rgba(212, 175, 55, 0.16);
}

.page-products .feature-card h3 {
  font-family: var(--font-title);
  font-size: var(--type-h2);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.page-products .feature-card p {
  color: var(--color-gray);
  line-height: 1.65;
  margin: 0 0 var(--space-md);
}

.page-products .feature-card__media {
  position: relative;
  overflow: hidden;
}

.page-products .feature-card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.page-products .feature-card:hover .feature-card__media img {
  transform: scale(1.02);
}

.page-products .feature-card__detail {
  border-top: 1px dashed rgba(26, 92, 46, 0.2);
  width: 100%;
  margin-top: auto;
}

.page-products .feature-card__detail summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  padding: var(--space-sm) 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  position: relative;
}

.page-products .feature-card__detail summary::-webkit-details-marker {
  display: none;
}

.page-products .feature-card__detail summary::after {
  content: "+";
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-left: auto;
  transition: transform var(--transition-fast);
}

.page-products .feature-card__detail[open] summary::after {
  transform: rotate(45deg);
}

.page-products .feature-card__detail p {
  font-size: var(--type-small);
  color: var(--color-gray);
  padding-bottom: var(--space-sm);
  margin: 0;
}

.page-products .feature-card__paths {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-products .feature-card__paths li {
  background: var(--color-paper);
  border-radius: var(--radius);
  padding: var(--space-md);
  font-size: var(--type-small);
  color: var(--color-gray);
  line-height: 1.5;
}

.page-products .feature-card__paths span {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--type-body);
  margin-bottom: 0.2rem;
}

/* ===== 版本更新 ===== */
.page-products .versions-section {
  margin-bottom: var(--space-3xl);
  background: linear-gradient(180deg, var(--color-paper) 0%, rgba(26, 92, 46, 0.06) 100%);
  padding: var(--space-2xl) 0;
}

.page-products .versions-section .section-header {
  margin-bottom: var(--space-2xl);
}

.page-products .versions-section .eyebrow {
  color: var(--color-gold);
}

.page-products .versions-section .section-title {
  font-family: var(--font-title);
  font-size: var(--type-h1);
}

.page-products .versions-section .lead {
  color: var(--color-gray);
}

.page-products .versions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-products .version-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-sm);
  border-left: 6px solid var(--color-primary);
  position: relative;
}

.page-products .version-card--latest {
  border-left-color: var(--color-gold);
  background: linear-gradient(145deg, var(--color-white) 0%, rgba(212, 175, 55, 0.08) 100%);
}

.page-products .version-card__badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-gold);
  color: var(--color-white);
  font-size: var(--type-small);
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.8rem;
}

.page-products .version-card__number {
  font-family: var(--font-title);
  font-size: var(--type-h2);
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.page-products .version-card__date {
  font-size: var(--type-small);
  color: var(--color-gray);
  margin-bottom: var(--space-md);
}

.page-products .version-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-products .version-card__list li {
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.55;
}

.page-products .version-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
}

.page-products .version-card--latest .version-card__list li::before {
  background: var(--color-gold);
}

/* ===== 使用帮助 ===== */
.page-products .help-section {
  margin-bottom: var(--space-3xl);
}

.page-products .help-section .section-header {
  margin-bottom: var(--space-lg);
}

.page-products .help-section .eyebrow {
  color: var(--color-primary);
}

.page-products .help-section .section-title {
  font-family: var(--font-title);
  font-size: var(--type-h1);
}

.page-products .help-section .lead {
  color: var(--color-gray);
}

.page-products .help-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.page-products .help-filter .filter-btn {
  border: 1px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.25rem;
  font-size: var(--type-small);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.page-products .help-filter .filter-btn.is-active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-products .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-products .help-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl) var(--space-lg);
}

.page-products .help-card h3 {
  font-family: var(--font-title);
  font-size: var(--type-h2);
  color: var(--color-primary);
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 3px solid var(--color-gold);
  display: inline-block;
}

.page-products .help-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  counter-reset: help-step;
}

.page-products .help-card__list li {
  position: relative;
  padding-left: 3rem;
  counter-increment: help-step;
}

.page-products .help-card__list li::before {
  content: counter(help-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--type-small);
}

.page-products .help-card__list strong {
  display: block;
  font-size: var(--type-body);
  color: var(--color-ink);
  margin-bottom: 0.3rem;
}

.page-products .help-card__list p {
  color: var(--color-gray);
  line-height: 1.6;
  font-size: var(--type-small);
  margin: 0;
}

/* ===== 数据服务说明 ===== */
.page-products .data-service-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 70%, #2f7a42 100%);
  border-radius: var(--radius-lg);
  margin: 0 var(--space-md) var(--space-3xl);
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.page-products .data-service-section .section-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.page-products .data-service-section .eyebrow {
  color: var(--color-gold);
}

.page-products .data-service-section .section-title {
  font-family: var(--font-title);
  font-size: var(--type-h1);
}

.page-products .data-service-section .lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.page-products .data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.page-products .data-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: blur(4px);
}

.page-products .data-card__num {
  font-family: var(--font-title);
  font-size: var(--type-hero);
  color: var(--color-gold);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.page-products .data-card h3 {
  font-size: var(--type-h3);
  margin: 0 0 var(--space-sm);
  color: var(--color-white);
}

.page-products .data-card p {
  font-size: var(--type-small);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0;
}

.page-products .data-service-note {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: var(--space-lg);
  border-left: 4px solid var(--color-gold);
  font-size: var(--type-small);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.page-products .data-service-note a {
  color: var(--color-gold);
  text-decoration: underline;
  font-weight: 600;
}

/* ===== 探索区域 ===== */
.page-products .explore-section {
  margin-bottom: var(--space-3xl);
}

.page-products .explore-panel {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
}

.page-products .explore-panel__info h2 {
  font-family: var(--font-title);
  font-size: var(--type-h2);
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.page-products .explore-panel__info p {
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0;
}

.page-products .explore-panel__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.page-products .explore-panel__links .btn--ghost {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== 平板响应式 ===== */
@media (min-width: 640px) {
  .page-products .app-hero__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding: var(--space-2xl);
  }

  .page-products .app-hero__info {
    flex: 1;
    max-width: 34rem;
  }

  .page-products .app-hero__lede {
    margin-left: 0;
  }

  .page-products .app-hero__actions {
    justify-content: flex-start;
  }

  .page-products .app-hero__meta {
    justify-content: flex-start;
  }

  .page-products .download-card {
    flex-direction: row;
    text-align: left;
  }

  .page-products .download-card__content p {
    margin-left: 0;
  }

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

  .page-products .download-card {
    flex-direction: column;
    text-align: center;
  }

  .page-products .download-card__content p {
    margin-left: auto;
    margin-right: auto;
  }

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

  .page-products .feature-card--large {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
  }

  .page-products .feature-card--large .feature-card__body {
    flex: 1;
  }

  .page-products .feature-card--large .feature-card__media {
    flex: 1;
  }

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

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

  .page-products .version-card--latest {
    grid-column: 1 / -1;
  }

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

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

/* ===== 桌面响应式 ===== */
@media (min-width: 1024px) {
  .page-products .app-hero {
    margin-left: var(--space-2xl);
    margin-right: var(--space-2xl);
  }

  .page-products .app-hero__inner {
    padding: var(--space-3xl);
  }

  .page-products .app-hero__icon-img {
    width: 240px;
    height: 240px;
    border-radius: 40px;
  }

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

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

  .page-products .feature-card--compact {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products .feature-card--compact .feature-card__body {
    padding: var(--space-xl);
  }

  .page-products .feature-card__body {
    padding: var(--space-xl);
  }

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

  .page-products .version-card--latest {
    grid-column: auto;
    grid-row: span 2;
  }

  .page-products .version-card--latest .version-card__badge {
    position: static;
    display: inline-block;
    margin-bottom: var(--space-sm);
  }

  .page-products .data-section {
    margin-left: var(--space-2xl);
    margin-right: var(--space-2xl);
  }

  .page-products .data-service-section {
    margin-left: var(--space-2xl);
    margin-right: var(--space-2xl);
    padding: var(--space-3xl);
  }

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

  .page-products .explore-panel {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: var(--space-xl);
  }

  .page-products .explore-panel__info {
    flex: 1;
  }

  .page-products .explore-panel__links {
    flex: 1;
    justify-content: flex-end;
  }
}

/* ===== 大屏内容宽度控制 ===== */
@media (min-width: 1280px) {
  .page-products .app-hero__inner {
    max-width: var(--content-max);
    margin: 0 auto;
  }

  .page-products .app-hero__lede {
    font-size: var(--type-h3);
  }

  .page-products .feature-card__paths {
    flex-direction: row;
    gap: var(--space-md);
  }

  .page-products .feature-card__paths li {
    flex: 1;
  }
}