/* ==========================================
   产品专题页样式 - 科技时尚升级版
   蓝白经典主题 - 大气科技感
   ========================================== */

/* ==========================================
   主题色变量
   ========================================== */

/* NT反外挂 - 蓝色主题 */
.theme-nt {
  --theme-color: #2563eb;
  --theme-color-light: #3b82f6;
  --theme-color-dark: #1d4ed8;
  --theme-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #06b6d4 100%);
  --theme-gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
  --theme-glow: 0 8px 32px rgba(37, 99, 235, 0.35);
  --theme-glow-soft: 0 4px 20px rgba(37, 99, 235, 0.15);
  --theme-soft: rgba(37, 99, 235, 0.08);
  --theme-border: rgba(37, 99, 235, 0.15);
}

/* OK反外挂 - 紫色主题 */
.theme-ok {
  --theme-color: #7c3aed;
  --theme-color-light: #8b5cf6;
  --theme-color-dark: #6d28d9;
  --theme-gradient: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 50%, #a78bfa 100%);
  --theme-gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(139, 92, 246, 0.08) 100%);
  --theme-glow: 0 8px 32px rgba(124, 58, 237, 0.35);
  --theme-glow-soft: 0 4px 20px rgba(124, 58, 237, 0.15);
  --theme-soft: rgba(124, 58, 237, 0.08);
  --theme-border: rgba(124, 58, 237, 0.15);
}

/* 审判反外挂 - 青色主题 */
.theme-shenpan {
  --theme-color: #0891b2;
  --theme-color-light: #06b6d4;
  --theme-color-dark: #0e7490;
  --theme-gradient: linear-gradient(135deg, #0891b2 0%, #06b6d4 50%, #22d3ee 100%);
  --theme-gradient-soft: linear-gradient(135deg, rgba(8, 145, 178, 0.15) 0%, rgba(6, 182, 212, 0.08) 100%);
  --theme-glow: 0 8px 32px rgba(6, 182, 212, 0.35);
  --theme-glow-soft: 0 4px 20px rgba(6, 182, 212, 0.15);
  --theme-soft: rgba(6, 182, 212, 0.08);
  --theme-border: rgba(6, 182, 212, 0.15);
}

/* 清源反外挂 - 橙色主题 */
.theme-qingyuan {
  --theme-color: #d97706;
  --theme-color-light: #f59e0b;
  --theme-color-dark: #b45309;
  --theme-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #fbbf24 100%);
  --theme-gradient-soft: linear-gradient(135deg, rgba(217, 119, 6, 0.15) 0%, rgba(245, 158, 11, 0.08) 100%);
  --theme-glow: 0 8px 32px rgba(245, 158, 11, 0.35);
  --theme-glow-soft: 0 4px 20px rgba(245, 158, 11, 0.15);
  --theme-soft: rgba(245, 158, 11, 0.08);
  --theme-border: rgba(245, 158, 11, 0.15);
}

/* ==========================================
   主题色覆盖
   ========================================== */

[class*="theme-"] .gradient-text {
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[class*="theme-"] .btn--primary {
  background: var(--theme-gradient);
  box-shadow: var(--theme-glow);
  border: none;
}

[class*="theme-"] .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

[class*="theme-"] .card__icon {
  background: var(--theme-gradient);
  box-shadow: var(--theme-glow);
}

[class*="theme-"] .card:hover {
  border-color: var(--theme-color);
  box-shadow: var(--theme-glow-soft);
}

[class*="theme-"] .card::before {
  background: var(--theme-gradient);
}

/* ==========================================
   Hero 区域 - 大气科技感
   ========================================== */
.product-hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #e8f0fe 50%, var(--bg-primary) 100%);
}

.product-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.product-hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.product-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: 
    linear-gradient(var(--theme-color, var(--primary)) 1px, transparent 1px),
    linear-gradient(90deg, var(--theme-color, var(--primary)) 1px, transparent 1px);
  background-size: 60px 60px;
}

.product-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.2;
  animation: floatGlow 8s ease-in-out infinite;
}

.product-hero__glow--1 {
  width: 700px;
  height: 700px;
  background: var(--theme-color, var(--primary));
  top: -250px;
  right: -150px;
}

.product-hero__glow--2 {
  width: 500px;
  height: 500px;
  background: var(--theme-color-light, var(--primary-light));
  bottom: -150px;
  left: -150px;
  animation-delay: -4s;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}

.product-hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-2xl) 0;
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.product-hero__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.product-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--theme-border, rgba(37, 99, 235, 0.15));
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--theme-color, var(--primary));
  width: fit-content;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.product-hero__badge .badge--dot {
  width: 8px;
  height: 8px;
  background: var(--theme-color, var(--primary));
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.product-hero__title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  color: var(--text-primary);
}

.product-hero__subtitle {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-hero__desc {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 500px;
}

.product-hero__version {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  border: 1px solid var(--theme-border);
  width: fit-content;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.product-hero__version-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.product-hero__version-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--theme-color, var(--primary));
}

.product-hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: nowrap;
  margin-top: var(--space-md);
  align-items: center;
}

.product-hero__actions .btn--lg {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  white-space: nowrap;
}

/* Hero 视觉区域 */
.product-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-hero__icon-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-hero__icon-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed var(--theme-color, var(--primary));
  opacity: 0.25;
  animation: rotateSlow 25s linear infinite;
}

.product-hero__icon-ring--inner {
  inset: 50px;
  border-style: solid;
  border-width: 1px;
  animation-direction: reverse;
  animation-duration: 18s;
  opacity: 0.15;
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.product-hero__main-icon {
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.product-hero__icon-svg {
  width: 160px;
  height: 160px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

/* ==========================================
   功能特点区域 - 科技感卡片
   ========================================== */
.product-features {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #f8fafc 100%);
  position: relative;
}

.product-features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--theme-border, rgba(59, 130, 246, 0.2)), transparent);
}

.product-features .section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.product-features .section-title h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.product-features .section-title p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.product-features .features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.product-features .card {
  position: relative;
  padding: var(--space-xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-features .card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-features .card:hover {
  transform: translateY(-8px);
  border-color: var(--theme-color, rgba(59, 130, 246, 0.3));
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.product-features .card:hover::before {
  transform: scaleX(1);
}

.product-features .card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.product-features .card__icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-features .card:hover .card__icon {
  transform: scale(1.1);
  box-shadow: var(--theme-glow);
}

.product-features .card__icon .icon {
  width: 28px;
  height: 28px;
}

.product-features .card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: 56px;
  margin: 0;
  color: var(--text-primary);
}

.product-features .card__desc {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--text-secondary);
  margin: 0;
}

/* ==========================================
   价格方案区域 - 大气卡片
   ========================================== */
.product-pricing {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, #f8fafc 0%, var(--bg-secondary) 100%);
  position: relative;
}

.product-pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--theme-border, rgba(59, 130, 246, 0.2)), transparent);
}

.product-pricing .section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.product-pricing .section-title h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.product-pricing .section-title p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.pricing__grid--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 700px;
}

.pricing-card {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.pricing-card--popular {
  border-color: var(--theme-color, var(--primary));
  box-shadow: var(--theme-glow-soft, var(--glow-primary));
  transform: scale(1.02);
}

.pricing-card--popular:hover {
  transform: scale(1.02) translateY(-8px);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-xl);
  background: var(--theme-gradient, var(--gradient-primary));
  color: var(--white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  box-shadow: var(--theme-glow);
}

.pricing-card__header {
  margin-bottom: var(--space-lg);
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
}

.pricing-card__price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  padding: var(--space-lg) 0;
  background: var(--theme-gradient-soft);
  border-radius: var(--radius-xl);
}

.pricing-card__price-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.pricing-card__currency {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  vertical-align: top;
}

.pricing-card__amount {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.pricing-card__period {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  text-align: left;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

.pricing-card__features .icon {
  width: 20px;
  height: 20px;
  color: var(--theme-color, var(--success));
  flex-shrink: 0;
}

.pricing-card__btn {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================
   FAQ区域
   ========================================== */
.product-faq {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #e8f0fe 100%);
  position: relative;
}

.product-faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--theme-border, rgba(59, 130, 246, 0.2)), transparent);
}

.faq__grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.faq-item {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.faq-item:hover {
  border-color: var(--theme-color, var(--primary));
  box-shadow: var(--theme-glow-soft);
  transform: translateX(8px);
}

.faq-item__question {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.faq-item__question .icon {
  width: 24px;
  height: 24px;
  color: var(--theme-color, var(--primary));
  flex-shrink: 0;
}

.faq-item__answer {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  padding-left: 40px;
}

/* ==========================================
   py-section 间距
   ========================================== */
.py-section {
  padding: var(--space-3xl) 0;
}

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1024px) {
  .product-hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  }

  .product-hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .product-hero__info {
    align-items: center;
  }

  .product-hero__desc {
    max-width: 100%;
  }

  .product-hero__actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .product-hero__visual {
    order: -1;
  }

  .product-hero__icon-wrapper {
    width: 280px;
    height: 280px;
  }

  .product-hero__main-icon {
    width: 160px;
    height: 160px;
  }

  .product-hero__icon-svg {
    width: 140px;
    height: 140px;
  }

  .product-features .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .product-hero__title {
    font-size: var(--font-size-3xl);
  }

  .product-features .features__grid {
    grid-template-columns: 1fr;
  }

  .py-section {
    padding: var(--space-2xl) 0;
  }
}

/* ==========================================
   布局变体 - OK沉浸式居中Hero
   ========================================== */
.product-hero--centered {
  text-align: center;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
}

.product-hero--centered .product-hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  max-width: 800px;
}

.product-hero--centered .product-hero__info {
  align-items: center;
}

.product-hero--centered .product-hero__title {
  font-size: clamp(3rem, 6vw, 5rem);
}

.product-hero--centered .product-hero__desc {
  max-width: 600px;
}

.product-hero--centered .product-hero__visual {
  margin-top: var(--space-xl);
}

/* 编号特性卡片 */
.features-numbered {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.feature-numbered {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.feature-numbered:hover {
  transform: translateY(-8px);
  border-color: var(--theme-color);
  box-shadow: var(--theme-glow-soft);
}

.feature-numbered__number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--theme-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  box-shadow: var(--theme-glow);
}

.feature-numbered__icon {
  width: 64px;
  height: 64px;
  margin: var(--space-md) auto var(--space-md);
  background: var(--theme-gradient-soft);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-numbered:hover .feature-numbered__icon {
  background: var(--theme-gradient);
  box-shadow: var(--theme-glow);
}

.feature-numbered__icon .icon {
  width: 32px;
  height: 32px;
  color: var(--theme-color);
  transition: color 0.4s ease;
}

.feature-numbered:hover .feature-numbered__icon .icon {
  color: var(--white);
}

.feature-numbered__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.feature-numbered__desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.feature-numbered__list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
  text-align: left;
}

.feature-numbered__list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-numbered__list li:last-child {
  border-bottom: none;
}

.feature-numbered__list .icon {
  width: 18px;
  height: 18px;
  color: var(--theme-color);
}

@media (max-width: 1024px) {
  .features-numbered {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

/* ==========================================
   布局变体 - 审判之字形交错布局
   ========================================== */
.product-hero--compact {
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  text-align: center;
  min-height: auto;
}

.product-hero--compact .product-hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  max-width: 750px;
}

.product-hero--compact .product-hero__info {
  align-items: center;
}

.product-hero--compact .product-hero__visual {
  display: none;
}

.product-hero--compact .product-hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

/* 之字形特性展示 */
.features-zigzag {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  max-width: 1000px;
  margin: 0 auto;
}

.feature-zigzag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.feature-zigzag:nth-child(even) {
  direction: rtl;
}

.feature-zigzag:nth-child(even) > * {
  direction: ltr;
}

.feature-zigzag__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-zigzag__icon-box {
  width: 160px;
  height: 160px;
  background: var(--theme-gradient-soft);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-zigzag:hover .feature-zigzag__icon-box {
  background: var(--theme-gradient);
  box-shadow: var(--theme-glow);
  transform: scale(1.05);
}

.feature-zigzag__icon-box::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 2px dashed var(--theme-color);
  border-radius: var(--radius-2xl);
  opacity: 0.25;
  animation: rotateSlow 20s linear infinite;
}

.feature-zigzag__icon-box .icon {
  width: 64px;
  height: 64px;
  color: var(--theme-color);
  transition: color 0.4s ease;
}

.feature-zigzag:hover .feature-zigzag__icon-box .icon {
  color: var(--white);
}

.feature-zigzag__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-zigzag__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--theme-gradient-soft);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--theme-color);
  font-weight: var(--font-weight-semibold);
  width: fit-content;
}

.feature-zigzag__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.feature-zigzag__desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

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

.feature-zigzag__points li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.feature-zigzag__points .icon {
  width: 20px;
  height: 20px;
  color: var(--theme-color);
}

@media (max-width: 768px) {
  .feature-zigzag {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-zigzag:nth-child(even) {
    direction: ltr;
  }

  .feature-zigzag__visual {
    order: -1;
  }

  .feature-zigzag__badge {
    margin: 0 auto;
  }

  .feature-zigzag__icon-box {
    width: 120px;
    height: 120px;
  }

  .feature-zigzag__icon-box .icon {
    width: 48px;
    height: 48px;
  }

  .feature-zigzag__points {
    align-items: center;
  }
}

/* ==========================================
   布局变体 - 清源简约双列布局
   ========================================== */
.features-duo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.feature-duo {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.feature-duo:hover {
  border-color: var(--theme-color);
  box-shadow: var(--theme-glow-soft);
  transform: translateY(-6px);
}

.feature-duo__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.feature-duo__icon {
  width: 52px;
  height: 52px;
  background: var(--theme-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--theme-glow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-duo:hover .feature-duo__icon {
  transform: scale(1.1);
}

.feature-duo__icon .icon {
  width: 26px;
  height: 26px;
}

.feature-duo__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.feature-duo__desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-md);
}

.feature-duo__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.feature-duo__list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.feature-duo__list .icon {
  width: 16px;
  height: 16px;
  color: var(--theme-color);
}

@media (max-width: 768px) {
  .features-duo {
    grid-template-columns: 1fr;
  }

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

/* ==========================================
   统计数字展示
   ========================================== */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  margin: var(--space-xl) 0;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--theme-border, rgba(59, 130, 246, 0.08));
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(-1 * var(--space-3xl) / 2);
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--theme-border), transparent);
}

.stat-item__value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-item__label {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

@media (max-width: 768px) {
  .stats-bar {
    flex-wrap: wrap;
    gap: var(--space-xl);
    padding: var(--space-lg);
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-item__value {
    font-size: var(--font-size-3xl);
  }
}

/* ==========================================
   产品页下载按钮扩展 - 按钮2(青绿) / 按钮3(橙金)
   ========================================== */

/* 按钮2：青绿轮廓 */
.btn--dl2 {
  background: transparent;
  color: #059669;
  border: 2px solid #059669;
}
.btn--dl2:hover {
  background: rgba(5, 150, 105, 0.1);
  color: #047857;
  border-color: #047857;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.25);
}
.btn--dl2:active {
  transform: translateY(0) scale(0.98);
}

/* 按钮3：橙金轮廓 */
.btn--dl3 {
  background: transparent;
  color: #d97706;
  border: 2px solid #d97706;
}
.btn--dl3:hover {
  background: rgba(217, 119, 6, 0.1);
  color: #b45309;
  border-color: #b45309;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.25);
}
.btn--dl3:active {
  transform: translateY(0) scale(0.98);
}

/* 主题色覆盖：下载按钮2/3 随主题走 */
[class*="theme-"] .btn--dl2 {
  color: var(--theme-color);
  border-color: var(--theme-color);
}
[class*="theme-"] .btn--dl2:hover {
  background: var(--theme-soft);
  border-color: var(--theme-color);
}