/* ===== 页面专属：page-products ===== */
.page-products {
  --hero-min-height: 70vh;
  --feature-number-size: 12rem;
  --card-radius: 6px;
  --glow-accent: 0 0 20px rgba(255,59,48,.3);
  --glow-gold: 0 0 16px rgba(255,215,0,.2);
  position: relative;
  background: var(--bg-dark, #0a1f3d);
  color: var(--text-light, #ffffff);
  font-family: var(--font-body, system-ui, sans-serif);
  overflow-x: hidden;
}

/* ---- 面包屑 ---- */
.page-products__breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.8125rem;
  font-family: var(--font-accent, monospace);
  color: rgba(255,255,255,.6);
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  align-items: center;
}
.page-products__breadcrumb .breadcrumb__link {
  color: var(--gold, #ffd700);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-products__breadcrumb .breadcrumb__link:hover {
  opacity: 0.75;
}
.page-products__breadcrumb .breadcrumb__sep {
  color: rgba(255,255,255,.35);
}
.page-products__breadcrumb .breadcrumb__current {
  color: rgba(255,255,255,.8);
}

/* ---- 首屏 ---- */
.page-products__hero {
  min-height: var(--hero-min-height);
  display: flex;
  align-items: center;
  padding: 2rem 1.25rem 3rem;
  position: relative;
}
.page-products__hero-container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.page-products__hero-kicker {
  display: inline-block;
  font-family: var(--font-accent, monospace);
  font-size: 0.875rem;
  color: var(--gold, #ffd700);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-left: 3px solid var(--accent, #ff3b30);
  padding-left: 0.75rem;
  margin-bottom: 1rem;
}
.page-products__hero-title {
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-weight: 900;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.1;
  color: var(--text-light, #ffffff);
  margin: 0 0 1.25rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.page-products__hero-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255,255,255,.8);
  max-width: 540px;
  margin-bottom: 2rem;
}
.page-products__hero-index {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products__index-item {
  font-family: var(--font-accent, monospace);
  font-size: 0.9375rem;
  color: rgba(255,255,255,.7);
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: color 0.2s, border-color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.page-products__index-item:hover {
  color: var(--gold, #ffd700);
  border-color: var(--gold-dim, rgba(255,215,0,.25));
}
.page-products__hero-visual {
  position: relative;
  border-radius: var(--card-radius, 6px);
  overflow: hidden;
  box-shadow: var(--shadow-card, 0 2px 20px rgba(0,0,0,.5));
}
.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.page-products__hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 70%, rgba(255,59,48,.15), transparent 70%);
  pointer-events: none;
}

/* ---- 分隔线 ---- */
.page-products__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.5rem 1.25rem;
  max-width: 1280px;
  margin: 0 auto;
  opacity: 0.5;
}
.page-products__divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim, rgba(255,215,0,.2)), transparent);
}
.page-products__divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #ff3b30);
  box-shadow: var(--accent-glow, 0 0 8px rgba(255,59,48,.45));
}

/* ---- 功能章节通用 ---- */
.page-products__feature {
  padding: 3rem 1.25rem 4rem;
  position: relative;
  overflow: hidden;
}
.page-products__feature-container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-products__feature-number {
  position: absolute;
  top: -1.5rem;
  right: -0.5rem;
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: var(--feature-number-size);
  font-weight: 900;
  line-height: 1;
  color: rgba(255,255,255,.03);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
@media (min-width: 768px) {
  .page-products__feature-number {
    top: -2rem;
    right: 1rem;
    font-size: 14rem;
  }
}
.page-products__feature-content {
  position: relative;
  z-index: 1;
}
.page-products__feature-title {
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  color: var(--text-light, #ffffff);
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.page-products__feature-title .section-number {
  display: inline-block;
  color: var(--gold, #ffd700);
  margin-right: 0.5rem;
  font-size: 0.7em;
  vertical-align: middle;
}
.page-products__feature-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255,255,255,.78);
  max-width: 680px;
  margin-bottom: 2rem;
}

/* ---- 卡片网格 ---- */
.page-products__card-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.page-products__card-grid--2col {
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .page-products__card-grid--2col {
    grid-template-columns: 1fr 1fr;
  }
}
.page-products__feature-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--card-radius, 6px);
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  cursor: default;
}
.page-products__feature-card[data-hover-glow]:hover {
  border-color: var(--accent, #ff3b30);
  box-shadow: var(--glow-accent), inset 0 0 30px rgba(255,59,48,.04);
  transform: translateY(-2px);
}
.page-products__card-icon {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}
.page-products__card-title {
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-light, #ffffff);
  margin: 0 0 0.5rem;
  letter-spacing: 0.01em;
}
.page-products__card-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255,255,255,.7);
  margin: 0;
}

/* ---- 图片展示区 ---- */
.page-products__feature-visual {
  margin-top: 1.5rem;
  border-radius: var(--card-radius, 6px);
  overflow: hidden;
  background: rgba(0,0,0,.2);
  position: relative;
}
.page-products__feature-visual--wide {
  max-width: 960px;
}
.page-products__visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3/2;
}
.page-products__visual-img--wide {
  aspect-ratio: 8/3;
}
@media (min-width: 768px) {
  .page-products__visual-img {
    aspect-ratio: 4/3;
  }
  .page-products__visual-img--wide {
    aspect-ratio: 8/3;
  }
}
.page-products__visual-caption {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-family: var(--font-accent, monospace);
  color: rgba(255,255,255,.5);
  background: rgba(0,0,0,.3);
  letter-spacing: 0.04em;
}

/* ---- 数据图表区域 ---- */
.page-products__data-wrapper {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--card-radius, 6px);
  padding: 1.5rem;
}
@media (min-width: 768px) {
  .page-products__data-wrapper {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    padding: 2rem;
  }
}
.page-products__chart-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 500px) {
  .page-products__chart-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.page-products__chart-label {
  font-family: var(--font-accent, monospace);
  font-size: 0.8125rem;
  color: var(--gold, #ffd700);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-products__chart-tabs {
  display: flex;
  gap: 0.25rem;
  background: rgba(255,255,255,.06);
  border-radius: 4px;
  padding: 2px;
}
.page-products__chart-tab {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.5);
  font-family: var(--font-accent, monospace);
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.page-products__chart-tab.is-active {
  background: var(--accent, #ff3b30);
  color: #fff;
  box-shadow: var(--accent-glow);
}
.page-products__chart-tab:hover:not(.is-active) {
  color: rgba(255,255,255,.8);
}
.page-products__chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  height: 180px;
  padding: 0.5rem 0;
}
.page-products__bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  height: 100%;
}
.page-products__bar-item::before {
  content: '';
  display: block;
  width: 100%;
  height: var(--bar-height, 50%);
  background: linear-gradient(180deg, var(--accent, #ff3b30), var(--gold, #ffd700));
  border-radius: 3px 3px 0 0;
  transition: height 0.6s cubic-bezier(.22,.61,.36,1);
  min-height: 8px;
  box-shadow: 0 0 8px rgba(255,59,48,.2);
}
.page-products__bar-item:hover::before {
  box-shadow: var(--glow-accent);
}
.page-products__bar-val {
  font-family: var(--font-accent, monospace);
  font-size: 0.75rem;
  color: var(--text-light, #ffffff);
  margin-bottom: 0.25rem;
  font-weight: 700;
  order: -1;
}
.page-products__bar-label {
  font-size: 0.6875rem;
  color: rgba(255,255,255,.55);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.page-products__chart-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,.35);
  text-align: right;
  margin-top: 0.5rem;
  font-family: var(--font-accent, monospace);
}
.page-products__data-desc p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255,255,255,.78);
  margin: 0;
}

/* ---- 引导步骤 ---- */
.page-products__steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) {
  .page-products__steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
  }
}
.page-products__step {
  flex: 1;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--card-radius, 6px);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.page-products__step[data-step-interactive]:hover {
  border-color: var(--gold, #ffd700);
  box-shadow: var(--glow-gold);
}
.page-products__step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent, #ff3b30);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: 1.25rem;
  font-weight: 900;
  box-shadow: var(--accent-glow);
}
.page-products__step-content {
  flex: 1;
}
.page-products__step-title {
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-light, #ffffff);
  margin: 0 0 0.375rem;
}
.page-products__step-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255,255,255,.7);
  margin: 0 0 0.75rem;
}
.page-products__step-demo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: rgba(255,215,0,.1);
  border: 1px solid rgba(255,215,0,.2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-accent, monospace);
  color: var(--gold, #ffd700);
  cursor: pointer;
  transition: background 0.2s;
}
.page-products__step-demo:hover {
  background: rgba(255,215,0,.18);
}
.page-products__step-arrow {
  display: none;
  align-self: center;
  flex-shrink: 0;
  opacity: 0.5;
}
@media (min-width: 768px) {
  .page-products__step-arrow {
    display: block;
  }
}

/* ---- 多端展示 ---- */
.page-products__device-showcase {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (min-width: 640px) {
  .page-products__device-showcase {
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-products__device-card {
  text-align: center;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--card-radius, 6px);
  padding: 1.5rem 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.page-products__device-card:hover {
  border-color: var(--tech, #00bcd4);
  box-shadow: 0 0 16px rgba(0,188,212,.12);
}
.page-products__device-frame {
  margin: 0 auto 1rem;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
  transition: transform 0.3s;
}
.page-products__device-frame:hover {
  transform: scale(1.02);
}
.page-products__device-frame--mobile {
  max-width: 160px;
}
.page-products__device-frame--tablet {
  max-width: 220px;
}
.page-products__device-frame--desktop {
  max-width: 340px;
}
.page-products__device-screen {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1/2;
}
.page-products__device-frame--tablet .page-products__device-screen {
  aspect-ratio: 3/4;
}
.page-products__device-frame--desktop .page-products__device-screen {
  aspect-ratio: 5/4;
}
.page-products__device-label {
  font-family: var(--font-heading, Impact, 'Futura Bold', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light, #ffffff);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.page-products__device-features {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-products__device-feature {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.55);
  font-family: var(--font-accent, monospace);
}

/* ---- 内链导航 ---- */
.page-products__crosslink {
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
.page-products__crosslink-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.page-products__crosslink-label {
  font-family: var(--font-accent, monospace);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold, #ffd700);
}
.page-products__crosslink-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
}
.page-products__crosslink-link {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: 0.9375rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.page-products__crosslink-link:hover {
  color: var(--gold, #ffd700);
  border-color: var(--gold, #ffd700);
}

/* ---- 入场动画（渐进增强） ---- */
@media (prefers-reduced-motion: no-preference) {
  [data-entrance] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(.22,.61,.36,1), transform 0.6s cubic-bezier(.22,.61,.36,1);
  }
  [data-entrance].visible {
    opacity: 1;
    transform: translateY(0);
  }
  [data-entrance="scale-in"] {
    transform: scale(0.94);
  }
  [data-entrance="scale-in"].visible {
    transform: scale(1);
  }
  [data-entrance="grow-up"] {
    opacity: 0;
    transform: scaleY(0.6);
    transform-origin: bottom;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(.22,.61,.36,1);
  }
  [data-entrance="grow-up"].visible {
    opacity: 1;
    transform: scaleY(1);
  }
  [data-entrance][data-delay="100"] { transition-delay: 0.1s; }
  [data-entrance][data-delay="150"] { transition-delay: 0.15s; }
  [data-entrance][data-delay="200"] { transition-delay: 0.2s; }
  [data-entrance][data-delay="300"] { transition-delay: 0.3s; }
  [data-entrance][data-delay="400"] { transition-delay: 0.4s; }
}

/* ---- 移动端优先：窄屏优化 ---- */
@media (max-width: 767px) {
  .page-products__hero {
    padding: 1.5rem 1rem 2.5rem;
  }
  .page-products__hero-title {
    font-size: 2rem;
  }
  .page-products__hero-desc {
    font-size: 0.9375rem;
  }
  .page-products__feature {
    padding: 2rem 1rem 3rem;
  }
  .page-products__feature-title {
    font-size: 1.5rem;
  }
  .page-products__feature-desc {
    font-size: 0.9375rem;
  }
  .page-products__feature-number {
    font-size: 6rem;
    top: -0.5rem;
    right: 0;
  }
  .page-products__card-grid--2col {
    gap: 1rem;
  }
  .page-products__feature-card {
    padding: 1.25rem;
  }
  .page-products__chart-bars {
    height: 140px;
    gap: 0.5rem;
  }
  .page-products__data-wrapper {
    padding: 1rem;
  }
  .page-products__step {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem;
  }
  .page-products__step-number {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
  .page-products__device-showcase {
    gap: 1rem;
  }
  .page-products__device-frame--mobile,
  .page-products__device-frame--tablet,
  .page-products__device-frame--desktop {
    max-width: 140px;
    margin: 0 auto 0.75rem;
  }
  .page-products__visual-img {
    aspect-ratio: 16/9;
  }
  .page-products__visual-img--wide {
    aspect-ratio: 16/9;
  }
  .page-products__breadcrumb {
    padding: 0.75rem 1rem 0;
    font-size: 0.75rem;
  }
}

/* ---- 桌面 Medium 以上 ---- */
@media (min-width: 1024px) {
  .page-products__hero-container {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .page-products__hero {
    padding: 3rem 2rem 4rem;
  }
  .page-products__hero-title {
    font-size: 3.5rem;
  }
  .page-products__feature-container {
    padding: 0 2rem;
  }
  .page-products__device-showcase {
    gap: 2rem;
  }
  .page-products__data-wrapper {
    grid-template-columns: 1.3fr 0.7fr;
  }
}

/* ---- 宽屏极限 ---- */
@media (min-width: 1440px) {
  .page-products__hero-container,
  .page-products__feature-container {
    padding: 0 3rem;
  }
  .page-products__hero-title {
    font-size: 4rem;
  }
}

.page-products {
  --bar-height: 1rem;
}