.page-products {
  --page-gutter: clamp(20px, 4vw, 56px);
  --page-radius: 28px;
  --page-card-padding: clamp(24px, 3vw, 40px);
  background-color: var(--color-snow);
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

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

.page-products__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 72px) var(--page-gutter) 96px;
}

.page-products__masthead {
  margin-bottom: clamp(48px, 7vw, 88px);
}

.page-products__masthead .breadcrumb {
  margin: 0 0 28px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-gray);
}

.page-products__masthead .breadcrumb a {
  color: var(--color-highland-blue);
  text-decoration: none;
  transition: color var(--transition);
}

.page-products__masthead .breadcrumb a:hover {
  color: var(--color-gold);
}

.page-products__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-products__eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), rgba(212, 175, 55, 0));
}

.page-products__title {
  margin: 0 0 20px;
  max-width: 16em;
  font-family: var(--font-heading);
  font-size: clamp(32px, 5.4vw, 64px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--color-in-highland-blue, var(--color-highland-blue));
}

.page-products__lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.9;
  color: var(--color-gray);
}

.page-products__section {
  margin: 0 0 clamp(64px, 8vw, 104px);
}

.page-products__section-title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-highland-blue);
}

.page-products__section-desc {
  margin: 0 0 28px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-gray);
}

/* 当前产品线概览 */
.page-products__overview {
  margin-bottom: clamp(64px, 8vw, 104px);
}

.page-products__overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-products__overview-copy p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
}

.page-products__overview-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products__overview-list li {
  position: relative;
  padding: 18px 20px 18px 34px;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.7;
  box-shadow: var(--shadow-card);
}

.page-products__overview-list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
}

.page-products__overview-list strong {
  color: var(--color-highland-blue);
  font-weight: 700;
}

.page-products__overview-figure {
  position: relative;
  border-radius: var(--page-radius);
  overflow: hidden;
  background: var(--color-highland-blue);
  padding: 8px;
}

.page-products__overview-img {
  border-radius: calc(var(--page-radius) - 8px);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__figure-note {
  margin: 12px 4px 4px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-gray);
  writing-mode: horizontal-tb;
}

/* 标签页 */
.page-products__catalog {
  margin-bottom: clamp(64px, 8vw, 104px);
}

.page-products__catalog-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-products__tabs {
  --tabs-radius: 22px;
  background: transparent;
}

.page-products__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products__tab-button {
  appearance: none;
  border: 1px solid var(--color-line);
  background: #ffffff;
  color: var(--color-ink);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.page-products__tab-button[aria-selected="true"] {
  background: var(--color-highland-blue);
  border-color: var(--color-highland-blue);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(30, 58, 95, 0.22);
}

.page-products__tab-button:hover {
  transform: translateY(-2px);
  border-color: var(--color-gold);
}

.page-products__tabpanel {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--page-radius);
  padding: clamp(20px, 3vw, 40px);
  box-shadow: var(--shadow-card);
}

.page-products__tabpanel[hidden] {
  display: none;
}

.page-products__product-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}

.page-products__product-card-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-snow);
  min-height: 160px;
}

.page-products__product-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__product-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-products__product-title {
  margin: 4px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--color-highland-blue);
}

.page-products__product-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
}

.page-products__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 12px 0 0;
  width: 100%;
}

.page-products__meta-item {
  background: var(--color-snow);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--color-line);
}

.page-products__meta-item dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: 4px;
}

.page-products__meta-item dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-highland-blue);
}

/* 产品线变更公告 */
.page-products__changes {
  margin-bottom: clamp(64px, 8vw, 104px);
  background: linear-gradient(135deg, var(--color-highland-blue), var(--color-deep-teal));
  border-radius: var(--page-radius);
  padding: clamp(28px, 5vw, 64px);
  color: #ffffff;
}

.page-products__changes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products__changes-intro .page-products__section-title {
  color: #ffffff;
}

.page-products__changes-intro .page-products__section-desc {
  color: rgba(245, 247, 250, 0.78);
}

.page-products__changes-intro p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.85);
  margin: 0 0 18px;
}

.page-products__link-more {
  border-color: rgba(255, 255, 255, 0.7);
  color: #ffffff;
  margin-top: 8px;
}

.page-products__link-more:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.page-products__change-list {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-products__change-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: background var(--transition), border-color var(--transition);
}

.page-products__change-item:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--color-gold);
}

.page-products__change-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-gold);
  color: var(--color-highland-blue);
  margin-bottom: 14px;
}

.page-products__change-title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
}

.page-products__change-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.85);
}

/* 版本时间线 */
.page-products__timeline {
  margin-bottom: clamp(64px, 8vw, 104px);
}

.page-products__timeline-header {
  margin-bottom: 32px;
}

.page-products__timeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-products__timeline-list {
  display: grid;
  gap: 16px;
  max-height: none;
  overflow: visible;
  padding-right: 4px;
}

.page-products__timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  border-left: 6px solid var(--color-gold);
}

.page-products__timeline-version {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-highland-blue);
  background: var(--color-snow);
  border-radius: var(--radius-sm);
  height: fit-content;
  padding: 8px 10px;
  text-align: center;
}

.page-products__timeline-content h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-highland-blue);
}

.page-products__timeline-content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-products__timeline-figure {
  border-radius: var(--page-radius);
  overflow: hidden;
  background: var(--color-deep-teal);
  padding: 8px;
}

.page-products__timeline-img {
  border-radius: calc(var(--page-radius) - 8px);
  width: 100%;
  height: auto;
  object-fit: cover;
  background: #fff;
}

/* 下载与使用指南 */
.page-products__guide {
  margin-bottom: clamp(64px, 8vw, 104px);
}

.page-products__guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-products__guide-main {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--page-radius);
  padding: var(--page-card-padding);
  box-shadow: var(--shadow-card);
}

.page-products__guide-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
  counter-reset: step;
}

.page-products__guide-steps li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--color-snow);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
}

.page-products__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.12);
  border-radius: var(--radius-md);
  width: 48px;
  height: 48px;
}

.page-products__step-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-highland-blue);
}

.page-products__guide-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-products__guide-aside {
  display: grid;
  gap: 16px;
}

.page-products__guide-stat {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.page-products__guide-stat-label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray);
  font-weight: 600;
}

.page-products__guide-stat-num {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-highland-blue);
}

.page-products__guide-stat-num span {
  font-size: 0.55em;
  color: var(--color-gold);
  vertical-align: super;
}

.page-products__guide-stat-note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--color-gray);
}

.page-products__guide-stat-img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
}

/* 安全保障 */
.page-products__security {
  margin-bottom: 0;
}

.page-products__security-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-snow) 100%);
  border: 1px solid var(--color-line);
  border-radius: var(--page-radius);
  padding: clamp(28px, 4vw, 56px);
}

.page-products__security-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: var(--radius-lg);
  margin: 0 auto;
}

.page-products__security-body p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-ink);
  margin: 0 0 16px;
}

.page-products__security-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 通用按钮复用 */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 13px 24px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.page-products .btn:hover {
  transform: translateY(-2px);
}

.page-products .btn-ghost {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-highland-blue);
}

.page-products .btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.06);
}

/* 移动端优先：最小宽度 0 */
@media (min-width: 768px) {
  .page-products__overview-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products__product-card {
    grid-template-columns: minmax(260px, 2fr) minmax(0, 3fr);
  }

  .page-products__changes-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products__change-list {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .page-products__timeline-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products__timeline-list {
    max-height: 720px;
    overflow-y: auto;
    padding-right: 12px;
  }

  .page-products__guide-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products__security-card {
    grid-template-columns: 280px 1fr;
  }
}

@media (min-width: 1080px) {
  .page-products__masthead {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: end;
  }

  .page-products__masthead .breadcrumb {
    margin-bottom: 0;
  }

  .page-products__tablist {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

.page-products {
  --color-in-highland-blue: var(--color-highland-blue);
}