/* 柠檬软件销售系统 - 现代化主页样式 */

/* 主页特有的扩展变量 */
:root {
    /* 主页特有的渐变色 */
    --lemon-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --lemon-gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --lemon-gradient-cta: linear-gradient(135deg, #1e293b 0%, #334155 100%);

    /* 兼容性别名 - 映射到主题变量 */
    --gradient-primary: var(--lemon-gradient-primary);
    --gradient-secondary: var(--lemon-gradient-secondary);
    --gradient-success: var(--lemon-gradient-success);
    --gradient-card: var(--lemon-gradient-card);
    --gradient-hero: var(--lemon-gradient-hero);
    --gradient-cta: var(--lemon-gradient-cta);

    /* 主页特有的背景色 */
    --lemon-bg-glass: rgba(255, 255, 255, 0.1);

    /* 主页特有的布局 */
    --lemon-section-padding: 100px;

    /* 主页特有的阴影 */
    --lemon-shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    --lemon-shadow-featured: 0 0 40px rgba(102, 126, 234, 0.2);

    /* 主页特有的过渡动画 */
    --lemon-transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 现代化全局样式重置 */
.lemon-product-page,
.lemon-pricing-page,
.lemon-docs-page,
.lemon-contact-page,
.lemon-home-page {
    font-family: var(--lemon-font-family);
    line-height: 1.6;
    color: var(--lemon-text-primary);
    overflow-x: hidden;
    background: linear-gradient(180deg, #fafbfc 0%, #ffffff 50%, #f8fafc 100%);
    min-height: 100vh;
    font-feature-settings: 'kern' 1, 'liga' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 统一按钮样式 - 扩展基础样式 */

.lemon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.lemon-btn:hover::before {
    left: 100%;
}

.lemon-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* 按钮变体 */
.lemon-btn-primary {
    background: var(--lemon-gradient-primary);
    color: white;
    border-color: transparent;
}

.lemon-btn-primary:hover {
    background: linear-gradient(135deg, var(--lemon-primary-dark) 0%, var(--lemon-secondary-dark) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.lemon-btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.lemon-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.lemon-btn-outline {
    background: transparent;
    color: var(--lemon-primary);
    border-color: var(--lemon-primary);
}

.lemon-btn-outline:hover {
    background: var(--lemon-primary);
    color: white;
    transform: translateY(-2px);
}

.lemon-btn-large {
    padding: 16px 32px;
    font-size: 16px;
    min-width: 200px;
}

.lemon-btn-sm {
    padding: 8px 16px;
    font-size: 12px;
    min-height: 36px;
}

/* 统一容器样式 */
.lemon-container {
    max-width: var(--lemon-container-width);
    margin: 0 auto;
    padding: 0 var(--lemon-container-padding);
    width: 100%;
}

.container {
    max-width: var(--lemon-container-width);
    margin: 0 auto;
    padding: 0 var(--lemon-container-padding);
    width: 100%;
}

/* Hero专用容器 - 更宽的布局，充分利用空间 */
.lemon-hero-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 60px;
    width: 95%;
}

/* 统一区域标题样式 - 解决.section-header重复定义问题 */
.lemon-section-header {
    text-align: center;
    margin-bottom: var(--lemon-space-16);
    position: relative;
}

.lemon-section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--lemon-space-4);
    color: var(--lemon-text-primary);
    position: relative;
}

.lemon-section-header p {
    font-size: 1.1rem;
    color: var(--lemon-text-secondary);
    margin-bottom: var(--lemon-space-6);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.lemon-section-line {
    width: 60px;
    height: 3px;
    background: var(--lemon-gradient-primary);
    margin: 0 auto;
    border-radius: var(--lemon-radius-sm);
}

/* ====== 创艺灵动Hero区域样式 ====== */
.lemon-hero-creative {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #5b73e8 50%, #8b5cf6 75%, #667eea 100%);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* 动态背景艺术装饰 */
.hero-background-art {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

/* 浮动光球 */
.floating-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), rgba(255,255,255,0.05));
    backdrop-filter: blur(20px);
    animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -5%;
    background: radial-gradient(circle at 30% 30%, rgba(96, 165, 250, 0.4), rgba(96, 165, 250, 0.1));
    animation-delay: 0s;
    animation-duration: 20s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -3%;
    background: radial-gradient(circle at 30% 30%, rgba(167, 139, 250, 0.4), rgba(167, 139, 250, 0.1));
    animation-delay: 7s;
    animation-duration: 25s;
}

.orb-3 {
    width: 150px;
    height: 150px;
    top: 30%;
    right: 15%;
    background: radial-gradient(circle at 30% 30%, rgba(244, 114, 182, 0.3), rgba(244, 114, 182, 0.08));
    animation-delay: 14s;
    animation-duration: 18s;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translateY(0px) translateX(0px) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-30px) translateX(20px) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-60px) translateX(-10px) scale(0.95);
        opacity: 1;
    }
    75% {
        transform: translateY(-30px) translateX(-20px) scale(1.02);
        opacity: 0.7;
    }
}

/* 几何图案 */
.geometric-pattern {
    position: absolute;
    background: linear-gradient(45deg, rgba(255,255,255,0.08), transparent);
    transform: rotate(45deg);
    animation: patternRotate 30s linear infinite;
}

.pattern-1 {
    width: 400px;
    height: 400px;
    top: -10%;
    right: -10%;
    border-radius: 50px;
}

.pattern-2 {
    width: 300px;
    height: 300px;
    bottom: -5%;
    left: -8%;
    border-radius: 30px;
    animation-direction: reverse;
    animation-duration: 25s;
}

@keyframes patternRotate {
    0% { transform: rotate(45deg); }
    100% { transform: rotate(405deg); }
}

/* 光束效果 */
.light-beam {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: beamSweep 8s ease-in-out infinite;
}

.beam-1 {
    width: 2px;
    height: 100%;
    left: 25%;
    animation-delay: 2s;
}

.beam-2 {
    width: 1px;
    height: 100%;
    right: 35%;
    animation-delay: 5s;
    animation-duration: 10s;
}

@keyframes beamSweep {
    0%, 100% {
        opacity: 0;
        transform: translateX(-20px);
    }
    50% {
        opacity: 1;
        transform: translateX(20px);
    }
}

/* 创意布局容器 */
.hero-creative-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--lemon-spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 2000px;
    width: 100%;
    margin: 0 auto;
    padding: var(--lemon-spacing-4xl) var(--lemon-spacing-xl);
    min-height: 95vh;
}

/* 左侧内容区域 */
.hero-content-zone {
    animation: slideInLeft 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 品牌标识区域 */
.hero-brand-identity {
    margin-bottom: var(--lemon-spacing-lg);
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    overflow: hidden;
    animation: badgeGlow 3s ease-in-out infinite;
}

.brand-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.brand-badge i {
    color: #fbbf24;
    font-size: 16px;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes badgeGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255,255,255,0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(255,255,255,0.4);
    }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-text {
    padding-right: var(--lemon-spacing-xl);
    max-width: 100%;
}

/* 大屏幕下文本内容优化 */
@media (min-width: 1400px) {
    .hero-text {
        max-width: 700px;
    }
}

/* 创意标题区域 */
.hero-title-zone {
    margin-bottom: var(--lemon-spacing-lg);
    position: relative;
}

.hero-creative-title {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    position: relative;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--lemon-spacing-xs);
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 30%, #ffffff 60%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 8px 16px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.title-line-1 {
    animation: titleReveal 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s both;
}

.title-line-2 {
    font-size: 0.8em;
    background: linear-gradient(135deg, #a78bfa 0%, #f472b6 50%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleReveal 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

.title-decoration {
    position: absolute;
    bottom: -20px;
    left: 0;
    display: flex;
    gap: var(--lemon-spacing-sm);
    animation: decorationFloat 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s both;
}

.decoration-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(45deg, #60a5fa, #a78bfa);
    animation: dotPulse 2s ease-in-out infinite;
}

.dot-2 { animation-delay: 0.3s; }
.dot-3 { animation-delay: 0.6s; }

@keyframes titleReveal {
    0% {
        opacity: 0;
        transform: translateY(60px) rotateX(90deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

@keyframes decorationFloat {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dotPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

@keyframes titleGlow {
    0% {
        filter: drop-shadow(0 0 20px rgba(255,255,255,0.3));
    }
    100% {
        filter: drop-shadow(0 0 30px rgba(255,255,255,0.5));
    }
}

.lemon-hero-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 120px;
    height: 6px;
    background: linear-gradient(90deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
    border-radius: 3px;
    animation: lineGlow 2s ease-in-out infinite alternate;
}

@keyframes lineGlow {
    0% {
        box-shadow: 0 0 10px rgba(96, 165, 250, 0.5);
    }
    100% {
        box-shadow: 0 0 20px rgba(167, 139, 250, 0.8);
    }
}

.lemon-hero-subtitle {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    margin-bottom: var(--lemon-spacing-lg);
    opacity: 0.95;
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    line-height: 1.4;
    text-shadow: 0 3px 6px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 描述区域 */
.hero-description-zone {
    margin-bottom: var(--lemon-spacing-xl);
    animation: slideInUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s both;
}

.description-content {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    line-height: 1.6;
    margin-bottom: var(--lemon-spacing-lg);
    opacity: 0.92;
    color: rgba(255,255,255,0.92);
    text-shadow: 0 2px 4px rgba(0,0,0,0.12);
    max-width: 600px;
    font-weight: 400;
}

.hero-value-points {
    display: flex;
    gap: var(--lemon-spacing-md);
    flex-wrap: wrap;
    margin-top: var(--lemon-spacing-md);
}

.value-point {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
    animation: valuePointFloat 3s ease-in-out infinite;
}

.value-point:nth-child(2) { animation-delay: 1s; }
.value-point:nth-child(3) { animation-delay: 2s; }

.value-point:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.value-point i {
    color: #fbbf24;
    font-size: 16px;
}

@keyframes valuePointFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* 添加信任指标区域 */
.hero-trust-indicators {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-xl);
    margin-bottom: var(--lemon-spacing-2xl);
    flex-wrap: wrap;
}

.trust-indicator {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(20px);
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    border-radius: var(--lemon-radius-full);
    border: 1px solid rgba(255,255,255,0.2);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    transition: all 0.3s ease;
    animation: trustFloat 4s ease-in-out infinite;
}

.trust-indicator:nth-child(2) {
    animation-delay: 1s;
}

.trust-indicator:nth-child(3) {
    animation-delay: 2s;
}

@keyframes trustFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-3px);
    }
}

.trust-indicator:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.trust-indicator i {
    color: #60a5fa;
    font-size: 16px;
}

/* 现代化价格卡片样式 */
.lemon-pricing-card {
    background: var(--gradient-card);
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--lemon-radius-3xl);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    text-align: center;
    position: relative;
    transition: all var(--lemon-transition-smooth);
    backdrop-filter: blur(10px);
    box-shadow: var(--lemon-shadow-sm);
    overflow: hidden;
}

.lemon-pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lemon-gradient-primary);
    opacity: 0;
    transition: opacity var(--lemon-transition-base);
}

.lemon-pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--lemon-shadow-xl);
    border-color: rgba(102, 126, 234, 0.2);
}

.lemon-pricing-card:hover::before {
    opacity: 1;
}

.lemon-pricing-card.featured {
    border-color: var(--lemon-primary);
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--lemon-shadow-featured);
    position: relative;
    z-index: 2;
}

.lemon-pricing-card.featured::before {
    opacity: 1;
    height: 5px;
    background: var(--gradient-primary);
}

.lemon-pricing-card.featured:hover {
    transform: translateY(-16px) scale(1.08);
    box-shadow: var(--lemon-shadow-xl), var(--lemon-shadow-glow);
}

.plan-action {
    text-align: center;
}

.plan-btn {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-weight: 600;
    font-size: var(--font-size-md);
    border-radius: var(--spacing-lg);
    transition: all var(--duration-normal) var(--animation-bounce);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.plan-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.plan-btn:hover::before {
    left: 100%;
}

.lemon-btn-primary.plan-btn {
    background: var(--gradient-primary);
    border: none;
    color: white;
    box-shadow: var(--shadow-md-modern);
}

.lemon-btn-primary.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg-modern);
}

.lemon-btn-outline.plan-btn {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.lemon-btn-outline.plan-btn:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md-modern);
}

.lemon-featured-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--lemon-gradient-primary);
    color: white;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    border-radius: 0 var(--lemon-radius-3xl) 0 var(--lemon-spacing-lg);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    box-shadow: var(--lemon-shadow-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* 现代化优势网格 */
.lemon-advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--lemon-space-12);
    padding: var(--lemon-space-6) 0;
}

.lemon-advantage-item {
    background: var(--gradient-card);
    padding: var(--lemon-space-12) var(--lemon-space-8);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.lemon-advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--lemon-gradient-primary);
    transform: scaleY(0);
    transition: transform var(--lemon-transition-smooth);
}

.lemon-advantage-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(102, 126, 234, 0.1);
}

.lemon-advantage-item:hover::before {
    transform: scaleY(1);
}

.lemon-advantage-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto var(--lemon-space-8);
    background: var(--lemon-gradient-primary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.lemon-advantage-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--lemon-gradient-primary);
    border-radius: calc(var(--lemon-radius-2xl) + 3px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.lemon-advantage-item:hover .lemon-advantage-icon {
    transform: scale(1.1);
}

.lemon-advantage-item:hover .lemon-advantage-icon::before {
    opacity: 0.4;
    transform: scale(1.2);
}

/* CTA区域 */
.cta-section,
.lemon-cta-section {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    color: white;
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before,
.lemon-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    animation: cta-float 15s ease-in-out infinite;
}

.lemon-cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.05) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(255,255,255,0.03) 50%, transparent 60%);
    pointer-events: none;
}

@keyframes cta-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.cta-content,
.lemon-cta-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--lemon-spacing-lg);
}

.lemon-cta-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--lemon-spacing-xl);
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.9) 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.lemon-cta-description {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    margin-bottom: var(--lemon-spacing-3xl);
    opacity: 0.95;
    line-height: 1.6;
    color: rgba(255,255,255,0.95);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions,
.lemon-cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--lemon-spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--lemon-spacing-3xl);
}

.cta-actions .btn,
.lemon-cta-actions .lemon-btn {
    min-width: 200px;
    padding: 18px 36px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: none;
    display: inline-flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    justify-content: center;
    text-decoration: none;
}

.cta-actions .btn::before,
.lemon-cta-actions .lemon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.cta-actions .btn:hover::before,
.lemon-cta-actions .lemon-btn:hover::before {
    left: 100%;
}

/* 添加按钮样式兼容性 */
.cta-actions .btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.95) 100%);
    color: #1e293b;
    border: 2px solid rgba(255,255,255,0.3);
    box-shadow: 0 8px 32px rgba(255,255,255,0.2);
}

.cta-actions .btn-primary:hover {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(255,255,255,0.3);
}

.cta-actions .btn-outline {
    background: transparent;
    color: rgba(255,255,255,0.95);
    border: 2px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(10px);
}

.cta-actions .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
    color: white;
    transform: translateY(-3px);
}

.cta-note {
    font-size: var(--lemon-text-sm);
    opacity: 0.85;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--lemon-spacing-md);
    flex-wrap: wrap;
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    padding: var(--lemon-spacing-lg) var(--lemon-spacing-xl);
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.2);
    max-width: 600px;
    margin: 0 auto;
}

.cta-note i {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
}

/* 联系我们区域整体样式 */
.contact-quick {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.contact-quick::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.04) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.04) 0%, transparent 60%),
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.contact-quick::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(45deg, transparent 48%, rgba(255,255,255,0.8) 50%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255,255,255,0.6) 50%, transparent 52%);
    pointer-events: none;
    opacity: 0.5;
}

/* 现代化联系网格 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--lemon-spacing-2xl);
    padding: var(--lemon-spacing-lg) 0;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-item {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.9);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.contact-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, transparent 50%, rgba(118, 75, 162, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.contact-item:hover {
    transform: translateY(-16px) scale(1.03);
    box-shadow: 0 25px 60px rgba(0,0,0,0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.contact-item:hover::before,
.contact-item:hover::after {
    opacity: 1;
}

.contact-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--lemon-spacing-xl);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--lemon-radius-2xl);
    opacity: 0.1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-item:hover .icon-bg {
    opacity: 0.2;
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.contact-icon i {
    font-size: 40px;
    color: var(--lemon-primary);
    position: relative;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

.contact-item:hover .contact-icon i {
    transform: scale(1.2);
    color: var(--lemon-primary-dark);
    text-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.contact-content h3 {
    font-size: var(--lemon-text-xl);
    font-weight: 700;
    margin-bottom: var(--lemon-spacing-md);
    color: var(--lemon-text-primary);
    transition: color 0.3s ease;
    letter-spacing: -0.01em;
}

.contact-content p {
    color: var(--lemon-text-secondary);
    font-size: var(--lemon-text-base);
    line-height: 1.7;
    margin: 0;
    transition: color 0.3s ease;
    font-weight: 500;
}

.contact-item:hover .contact-content h3 {
    color: var(--lemon-primary);
}

.contact-item:hover .contact-content p {
    color: var(--lemon-text-primary);
}

/* 区域间距 */
.section-padding {
    padding: var(--lemon-space-20) 0;
}

/* 修复缺失的间距变量 */
:root {
    --lemon-section-padding: var(--lemon-space-20);
    --lemon-spacing-xs: var(--lemon-space-1);
    --lemon-spacing-sm: var(--lemon-space-2);
    --lemon-spacing-md: var(--lemon-space-4);
    --lemon-spacing-lg: var(--lemon-space-6);
    --lemon-spacing-xl: var(--lemon-space-8);
    --lemon-spacing-2xl: var(--lemon-space-10);
    --lemon-spacing-3xl: var(--lemon-space-12);
    --lemon-spacing-4xl: var(--lemon-space-16);
}

/* 创意动作按钮区域 */
.hero-action-zone {
    animation: slideInUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s both;
}

.primary-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--lemon-space-4);
    margin-bottom: var(--lemon-spacing-lg);
    max-width: 100%;
}

.hero-btn {
    display: flex;
    align-items: center;
    gap: var(--lemon-space-3);
    padding: 12px 16px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    min-width: 150px;
    justify-content: flex-start;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.1);
    flex-direction: row;
    text-align: left;
    height: 56px;
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.hero-btn:hover::before {
    left: 100%;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15), 0 3px 8px rgba(0,0,0,0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.hero-btn:hover .btn-icon {
    transform: scale(1.1);
    background: rgba(67, 56, 202, 0.15);
}

.hero-btn:hover .btn-main {
    transform: translateX(1px);
}

.hero-btn:hover .btn-sub {
    transform: translateX(1px);
}

.hero-btn:active {
    transform: translateY(0);
    transition: all 0.1s ease;
}

/* 按钮点击波纹效果 */
@keyframes btn-ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.hero-btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: inherit;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.hero-btn:focus::after {
    animation: btn-ripple 0.6s ease-out;
}

.hero-btn:focus {
    outline: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.1), 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.hero-btn-download:focus {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2), 0 1px 3px rgba(0,0,0,0.1), 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.hero-btn-purchase:focus {
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.2), 0 1px 3px rgba(0,0,0,0.1), 0 0 0 3px rgba(239, 68, 68, 0.3);
}

.hero-btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    color: #4338ca;
    border-color: rgba(255,255,255,0.8);
    box-shadow: 0 10px 40px rgba(255,255,255,0.3);
}

.hero-btn-primary:hover {
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 60px rgba(255,255,255,0.4);
    border-color: rgba(67, 56, 202, 0.3);
}

.hero-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 下载按钮样式 */
.hero-btn-download {
    background: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2), 0 1px 3px rgba(0,0,0,0.1);
}

.hero-btn-download:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35), 0 3px 8px rgba(0,0,0,0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.hero-btn-download .btn-icon {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.hero-btn-download:hover .btn-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* 购买按钮样式 */
.hero-btn-purchase {
    background: linear-gradient(135deg, #ef4444 0%, #f59e0b 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.2), 0 1px 3px rgba(0,0,0,0.1);
}

.hero-btn-purchase:hover {
    background: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.35), 0 3px 8px rgba(0,0,0,0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.hero-btn-purchase .btn-icon {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.hero-btn-purchase:hover .btn-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(67, 56, 202, 0.08);
    font-size: 16px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.hero-btn-primary .btn-icon {
    background: rgba(67, 56, 202, 0.1);
    color: #4338ca;
}

.hero-btn-secondary .btn-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-content {
    flex: 1;
    text-align: left;
    margin-left: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.btn-main {
    display: block;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-sub {
    display: block;
    font-size: 11px;
    opacity: 0.75;
    font-weight: 400;
    margin-top: 1px;
    line-height: 1.1;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(67, 56, 202, 0.1);
    font-size: 12px;
    transition: all 0.3s ease;
}

.hero-btn:hover .btn-arrow {
    transform: translateX(4px);
}

.secondary-actions {
    display: flex;
    gap: var(--lemon-spacing-lg);
    flex-wrap: wrap;
}

.hero-link {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.hero-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #fbbf24, #f472b6);
    transition: width 0.3s ease;
}

.hero-link:hover {
    color: white;
    transform: translateY(-2px);
}

.hero-link:hover::after {
    width: 100%;
}

.hero-link i {
    font-size: 16px;
    color: #fbbf24;
}

.hero-actions .lemon-btn {
    min-width: 200px;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 60px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.02em;
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

.hero-actions .lemon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.8s;
}

.hero-actions .lemon-btn:hover::before {
    left: 100%;
}

.hero-actions .lemon-btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    color: #4338ca;
    border: 3px solid rgba(255,255,255,0.6);
    box-shadow: 0 12px 40px rgba(255,255,255,0.3), 0 0 0 1px rgba(67, 56, 202, 0.2);
    animation: primaryPulse 3s ease-in-out infinite;
}

@keyframes primaryPulse {
    0%, 100% {
        box-shadow: 0 12px 40px rgba(255,255,255,0.3), 0 0 0 1px rgba(67, 56, 202, 0.2);
    }
    50% {
        box-shadow: 0 16px 50px rgba(255,255,255,0.4), 0 0 0 3px rgba(67, 56, 202, 0.3);
    }
}

.hero-actions .lemon-btn-primary:hover {
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 50%, #ffffff 100%);
    color: #3730a3;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 60px rgba(255,255,255,0.4), 0 0 0 3px rgba(67, 56, 202, 0.3);
}

.hero-actions .lemon-btn-secondary {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(25px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.hero-actions .lemon-btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.hero-actions .lemon-btn-outline {
    background: transparent;
    color: rgba(255,255,255,0.95);
    border: 2px solid rgba(255,255,255,0.5);
    backdrop-filter: blur(15px);
}

.hero-actions .lemon-btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.8);
    color: white;
    transform: translateY(-4px) scale(1.02);
}

/* 添加购买引导提示 */
.hero-purchase-hint {
    margin-top: var(--lemon-spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    font-size: var(--lemon-text-sm);
    color: rgba(255,255,255,0.8);
    animation: hintBlink 2s ease-in-out infinite;
}

@keyframes hintBlink {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

.hero-purchase-hint i {
    color: #fbbf24;
    animation: sparkle 1.5s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* 右侧创意视觉区域 */
.hero-visual-zone {
    position: relative;
    animation: slideInRight 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

.product-showcase {
    position: relative;
    width: 100%;
    height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 3D产品容器 */
.product-3d-container {
    position: relative;
    width: 100%;
    max-width: 650px;
    height: 480px;
    perspective: 1200px;
    transform-style: preserve-3d;
}

.product-display-stack {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: stackFloat 6s ease-in-out infinite;
}

.product-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateZ(-50px) rotateY(15deg);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-layer.active {
    opacity: 1;
    transform: translateZ(0) rotateY(0deg);
}

.layer-card {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: var(--lemon-radius-3xl);
    overflow: hidden;
    box-shadow:
        0 25px 80px rgba(0,0,0,0.15),
        0 0 0 1px rgba(255,255,255,0.8),
        inset 0 1px 0 rgba(255,255,255,0.9);
    backdrop-filter: blur(20px);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: all 0.6s ease;
}

.layer-card:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow:
        0 40px 120px rgba(0,0,0,0.2),
        0 0 0 2px rgba(102, 126, 234, 0.3);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--lemon-radius-3xl);
    transition: all 0.6s ease;
    filter: brightness(1.05) contrast(1.02) saturate(1.1);
}

.layer-card:hover .product-image {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.05) saturate(1.15);
}

.layer-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, transparent 50%, rgba(167, 139, 250, 0.1) 100%);
    border-radius: var(--lemon-radius-3xl);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.layer-card:hover .layer-glow {
    opacity: 1;
}

@keyframes stackFloat {
    0%, 100% {
        transform: translateY(0px) rotateY(-2deg);
    }
    50% {
        transform: translateY(-8px) rotateY(2deg);
    }
}

/* 创意占位符 */
.product-placeholder-creative {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: var(--lemon-radius-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.placeholder-icon {
    font-size: 64px;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--lemon-spacing-lg);
    animation: iconBreathe 3s ease-in-out infinite;
}

.placeholder-text span {
    display: block;
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-sm);
}

.placeholder-text small {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.placeholder-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes iconBreathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes productFloat {
    0%, 100% {
        transform: perspective(1200px) rotateY(-8deg) rotateX(3deg) translateY(0px);
    }
    50% {
        transform: perspective(1200px) rotateY(-8deg) rotateX(3deg) translateY(-10px);
    }
}

.product-carousel:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(0deg) scale(1.05);
    box-shadow:
        0 40px 120px rgba(0,0,0,0.3),
        0 0 0 2px rgba(67, 56, 202, 0.3),
        inset 0 1px 0 rgba(255,255,255,0.4);
    animation-play-state: paused;
}

.carousel-container {
    border-radius: var(--lemon-radius-3xl);
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
}

.carousel-slide {
    position: relative;
    overflow: hidden;
}

.carousel-slide img {
    border-radius: var(--lemon-radius-3xl);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    height: 450px;
    object-fit: cover;
    filter: brightness(1.1) contrast(1.05) saturate(1.1);
}

.carousel-slide:hover img {
    transform: scale(1.08);
    filter: brightness(1.15) contrast(1.1) saturate(1.15);
}

.carousel-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, transparent 0%, rgba(67, 56, 202, 0.08) 30%, rgba(124, 58, 237, 0.06) 70%, transparent 100%),
        radial-gradient(circle at 30% 30%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-carousel:hover .carousel-container::before {
    opacity: 1;
}

/* 添加产品展示装饰元素 */
.carousel-container::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    border-radius: 50%;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.5);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
}

.product-carousel:hover .carousel-container::after {
    opacity: 1;
    transform: scale(1);
}

/* 产品控制器 */
.product-controls {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.control-dots {
    display: flex;
    gap: var(--lemon-spacing-sm);
    padding: var(--lemon-spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
}

.control-dot {
    position: relative;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.control-dot.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.control-dot:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.dot-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.6) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.control-dot:hover .dot-ripple {
    width: 30px;
    height: 30px;
}

/* 浮动信息卡片 */
.floating-info-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 5;
}

.info-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    color: var(--lemon-text-primary);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    animation: cardFloat 4s ease-in-out infinite;
    transform-origin: center;
}

.card-1 {
    top: 15%;
    right: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    left: -30px;
    animation-delay: 1.5s;
}

.card-3 {
    top: 60%;
    right: -15px;
    animation-delay: 3s;
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 14px;
}

.card-content {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.card-value {
    font-size: 16px;
    font-weight: 800;
    color: var(--lemon-primary);
}

.card-label {
    font-size: 11px;
    color: var(--lemon-text-muted);
    font-weight: 500;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0px) scale(0.95);
        opacity: 0.9;
    }
    50% {
        transform: translateY(-8px) scale(1);
        opacity: 1;
    }
}

/* 特性高亮标签 */
.feature-highlights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 4;
}

.highlight-tag {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    color: var(--lemon-text-primary);
    letter-spacing: 0.02em;
    animation: tagFloat 5s ease-in-out infinite;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    white-space: nowrap;
    max-width: 100px;
    text-overflow: ellipsis;
    z-index: 5;
}

/* 动态标签定位和颜色 - 支持任意数量 */
.highlight-tag:nth-child(6n+1) {
    top: 15%;
    left: -10px;
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    color: #92400e;
    border-color: rgba(251, 191, 36, 0.4);
    animation-delay: 0s;
}

.highlight-tag:nth-child(6n+2) {
    top: 35%;
    right: -12px;
    background: linear-gradient(135deg, #dcfce7 0%, #22c55e 100%);
    color: #166534;
    border-color: rgba(34, 197, 94, 0.4);
    animation-delay: 1s;
}

.highlight-tag:nth-child(6n+3) {
    bottom: 35%;
    left: -8px;
    background: linear-gradient(135deg, #ddd6fe 0%, #8b5cf6 100%);
    color: #581c87;
    border-color: rgba(139, 92, 246, 0.4);
    animation-delay: 2s;
}

.highlight-tag:nth-child(6n+4) {
    top: 65%;
    right: -10px;
    background: linear-gradient(135deg, #fce7f3 0%, #f472b6 100%);
    color: #9d174d;
    border-color: rgba(244, 114, 182, 0.4);
    animation-delay: 3s;
}

.highlight-tag:nth-child(6n+5) {
    bottom: 15%;
    left: -6px;
    background: linear-gradient(135deg, #ecfdf5 0%, #10b981 100%);
    color: #065f46;
    border-color: rgba(16, 185, 129, 0.4);
    animation-delay: 4s;
}

.highlight-tag:nth-child(6n+6) {
    top: 50%;
    right: -8px;
    background: linear-gradient(135deg, #fef2f2 0%, #ef4444 100%);
    color: #991b1b;
    border-color: rgba(239, 68, 68, 0.4);
    animation-delay: 5s;
}

/* 超过6个标签的额外位置 */
.highlight-tag:nth-child(n+7) {
    transform: scale(0.9);
    opacity: 0.8;
}

.highlight-tag:nth-child(6n+7) {
    top: 8%;
    left: 15%;
    background: linear-gradient(135deg, #e0f2fe 0%, #0284c7 100%);
    color: #0c4a6e;
    border-color: rgba(2, 132, 199, 0.4);
    animation-delay: 0.5s;
}

.highlight-tag:nth-child(6n+8) {
    bottom: 8%;
    right: 15%;
    background: linear-gradient(135deg, #fef7cd 0%, #eab308 100%);
    color: #713f12;
    border-color: rgba(234, 179, 8, 0.4);
    animation-delay: 1.5s;
}

.tag-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    font-size: 8px;
    flex-shrink: 0;
}

.tag-sparkle {
    position: absolute;
    top: -1px;
    right: -1px;
    width: 6px;
    height: 6px;
    background: linear-gradient(45deg, #fbbf24, #f472b6);
    border-radius: 50%;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes tagFloat {
    0%, 100% {
        transform: translateY(0px) scale(0.9);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-12px) scale(1);
        opacity: 1;
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0.5);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* 底部过渡区域 */
.hero-bottom-transition {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    z-index: 10;
}

.hero-bottom-transition svg {
    width: 100%;
    height: 100%;
}

.feature-tag {
    position: absolute;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    color: #4338ca;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    border-radius: var(--lemon-radius-full);
    font-size: var(--lemon-text-sm);
    font-weight: 700;
    box-shadow:
        0 8px 32px rgba(0,0,0,0.15),
        0 0 0 1px rgba(67, 56, 202, 0.2);
    backdrop-filter: blur(25px);
    border: 2px solid rgba(255, 255, 255, 0.8);
    transition: all var(--lemon-transition-smooth);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.feature-tag i {
    margin-right: var(--lemon-spacing-sm);
    font-size: 16px;
    color: #7c3aed;
}

.feature-tag-1 {
    top: 12%;
    right: 8%;
    animation: floatProfessional 8s infinite ease-in-out;
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    color: #92400e;
    border-color: rgba(251, 191, 36, 0.3);
}

.feature-tag-1 i {
    color: #d97706;
}

.feature-tag-2 {
    top: 55%;
    left: 3%;
    animation: floatProfessional 8s infinite ease-in-out 2.5s;
    background: linear-gradient(135deg, #dcfce7 0%, #22c55e 100%);
    color: #166534;
    border-color: rgba(34, 197, 94, 0.3);
}

.feature-tag-2 i {
    color: #15803d;
}

.feature-tag-3 {
    bottom: 12%;
    right: 12%;
    animation: floatProfessional 8s infinite ease-in-out 5s;
    background: linear-gradient(135deg, #ddd6fe 0%, #8b5cf6 100%);
    color: #581c87;
    border-color: rgba(139, 92, 246, 0.3);
}

.feature-tag-3 i {
    color: #7c3aed;
}

@keyframes floatProfessional {
    0%, 100% {
        transform: translateY(0px) scale(0.95) rotate(0deg);
        opacity: 0.9;
    }
    25% {
        transform: translateY(-8px) scale(1) rotate(1deg);
        opacity: 1;
    }
    50% {
        transform: translateY(-15px) scale(1.05) rotate(0deg);
        opacity: 1;
    }
    75% {
        transform: translateY(-8px) scale(1) rotate(-1deg);
        opacity: 1;
    }
}

/* 超大屏幕优化 */
@media (min-width: 1920px) {
    .lemon-hero-content {
        max-width: 2000px;
        padding: 0 var(--lemon-spacing-3xl);
        gap: var(--lemon-spacing-6xl);
    }
}

/* 创意Hero响应式设计 */
@media (max-width: 1024px) {
    .lemon-hero-container {
        max-width: 100%;
        padding: 0 var(--lemon-spacing-xl);
        width: 100%;
    }

    .hero-creative-layout {
        gap: var(--lemon-spacing-2xl);
        max-width: 1400px;
        padding: var(--lemon-spacing-3xl) var(--lemon-spacing-lg);
        grid-template-columns: 1fr;
        min-height: 90vh;
    }

    .hero-content-zone {
        text-align: center;
        order: 1;
    }

    .hero-visual-zone {
        order: 2;
        margin-top: var(--lemon-spacing-xl);
    }

    .product-showcase {
        height: 550px;
    }

    .product-3d-container {
        max-width: 550px;
        height: 420px;
    }

    .hero-value-points {
        justify-content: center;
    }

    .primary-actions {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--lemon-space-3);
        justify-items: center;
    }

    .hero-btn {
        height: 52px;
    }

    .secondary-actions {
        justify-content: center;
    }

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

    .lemon-container {
        padding: 0 var(--lemon-space-4);
    }
}

@media (max-width: 768px) {
    .lemon-container {
        padding: 0 var(--lemon-spacing-md);
    }

    .lemon-hero-container {
        max-width: 100%;
        padding: 0 var(--lemon-spacing-lg);
        width: 100%;
    }

    .lemon-hero-creative {
        min-height: 90vh;
    }

    .hero-creative-layout {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-xl);
        padding: var(--lemon-spacing-2xl) var(--lemon-spacing-md);
        max-width: 100%;
        min-height: 85vh;
    }

    .hero-content-zone {
        text-align: center;
    }

    .hero-creative-title {
        font-size: clamp(2.2rem, 8vw, 3rem);
    }

    .title-decoration {
        justify-content: center;
        left: 50%;
        transform: translateX(-50%);
    }

    .hero-value-points {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--lemon-spacing-sm);
    }

    .value-point {
        font-size: var(--lemon-text-xs);
        padding: var(--lemon-spacing-xs) var(--lemon-spacing-md);
    }

    .primary-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--lemon-space-3);
        max-width: 100%;
    }

    .hero-btn {
        width: 100%;
        max-width: none;
        min-width: auto;
        padding: 10px 12px;
        font-size: 13px;
        height: 48px;
    }

    .btn-icon {
        width: 32px;
        height: 32px;
        font-size: 15px;
    }

    .secondary-actions {
        justify-content: center;
        gap: var(--lemon-spacing-lg);
        flex-direction: column;
        align-items: center;
    }

    .download-links {
        justify-content: center;
        text-align: center;
    }

    .download-label {
        margin-bottom: var(--lemon-space-1);
        display: block;
        width: 100%;
        text-align: center;
    }

    .download-link {
        font-size: 0.8rem;
        padding: 5px 10px;
        border-radius: 16px;
    }

    .product-showcase {
        height: 450px;
    }

    .product-3d-container {
        max-width: 400px;
        height: 340px;
    }

    /* 移动端浮动元素优化 */
    .floating-info-cards .info-card {
        font-size: var(--lemon-text-xs);
        padding: var(--lemon-spacing-xs) var(--lemon-spacing-sm);
    }

    .card-1 { right: -10px; }
    .card-2 { left: -15px; }
    .card-3 { right: -8px; }

    .highlight-tag {
        font-size: 9px;
        padding: 3px 8px;
        max-width: 80px;
        border-radius: 12px;
    }

    /* 移动端标签位置优化 */
    .highlight-tag:nth-child(6n+1),
    .highlight-tag:nth-child(6n+3),
    .highlight-tag:nth-child(6n+5) {
        left: -5px;
    }

    .highlight-tag:nth-child(6n+2),
    .highlight-tag:nth-child(6n+4),
    .highlight-tag:nth-child(6n+6) {
        right: -5px;
    }

    /* 隐藏超过6个的标签在移动端 */
    .highlight-tag:nth-child(n+7) {
        display: none;
    }

    /* 背景装饰移动端优化 */
    .orb-1 {
        width: 200px;
        height: 200px;
    }

    .orb-2 {
        width: 150px;
        height: 150px;
    }

    .orb-3 {
        width: 100px;
        height: 100px;
    }

    .pattern-1,
    .pattern-2 {
        width: 250px;
        height: 250px;
    }

    .hero-text {
        padding-right: 0;
    }

    .hero-creative-title {
        font-size: clamp(2rem, 6vw, 2.8rem);
    }

    .lemon-hero-title::after {
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
    }

    .lemon-hero-subtitle {
        font-size: clamp(1.2rem, 4vw, 1.6rem);
        margin-bottom: var(--lemon-spacing-md);
    }

    .lemon-hero-description {
        font-size: clamp(1rem, 3vw, 1.2rem);
        margin-bottom: var(--lemon-spacing-lg);
    }

    .hero-trust-indicators {
        justify-content: center;
        gap: var(--lemon-spacing-sm);
        margin-bottom: var(--lemon-spacing-lg);
    }

    .trust-indicator {
        font-size: var(--lemon-text-xs);
        padding: var(--lemon-spacing-xs) var(--lemon-spacing-md);
    }

    .lemon-section-header h2 {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: var(--lemon-spacing-md);
        align-items: center;
    }

    .hero-actions .lemon-btn {
        width: 100%;
        max-width: 320px;
        min-width: auto;
        padding: 18px 36px;
        font-size: 16px;
    }

    .hero-purchase-hint {
        text-align: center;
        font-size: var(--lemon-text-xs);
        flex-direction: column;
        gap: var(--lemon-spacing-xs);
    }

    .product-carousel {
        transform: perspective(800px) rotateY(-3deg) rotateX(2deg);
        margin-top: var(--lemon-spacing-xl);
        animation: none;
    }

    .product-carousel:hover {
        transform: perspective(800px) rotateY(0deg) rotateX(0deg) scale(1.03);
    }

    .carousel-slide img {
        height: 300px;
    }

    .feature-tag {
        font-size: var(--lemon-text-xs);
        padding: var(--lemon-spacing-xs) var(--lemon-spacing-sm);
    }

    .feature-tag i {
        font-size: 12px;
    }

    .lemon-advantages-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-lg);
    }

    .lemon-pricing-card.featured {
        transform: none;
    }

    .lemon-pricing-card.featured:hover {
        transform: translateY(-8px);
    }

    .lemon-cta-section {
        padding: 80px 0;
    }

    .cta-actions,
    .lemon-cta-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--lemon-spacing-md);
    }

    .cta-actions .btn,
    .lemon-cta-actions .lemon-btn {
        width: 100%;
        max-width: 300px;
        min-width: auto;
    }

    .lemon-cta-title {
        font-size: 2rem;
    }

    .contact-quick {
        padding: 80px 0;
    }

    .contact-item:hover {
        transform: translateY(-8px) scale(1.02);
    }

    /* 核心功能响应式 */
    .lemon-features-grid {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-lg);
    }

    .lemon-feature-item {
        padding: var(--lemon-spacing-2xl) var(--lemon-spacing-lg);
    }

    .lemon-feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    /* 应用场景响应式 */
    .lemon-use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-lg);
    }

    .lemon-use-case-item {
        padding: var(--lemon-spacing-lg);
    }

    .lemon-use-case-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .lemon-hero-creative {
        min-height: 80vh;
    }

    .hero-creative-layout {
        gap: var(--lemon-spacing-lg);
        padding: var(--lemon-spacing-xl) var(--lemon-spacing-sm);
        min-height: 80vh;
    }

    .lemon-hero-title {
        font-size: 2rem;
        margin-bottom: var(--lemon-spacing-md);
    }

    .lemon-hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--lemon-spacing-lg);
    }

    .lemon-hero-description {
        font-size: 0.95rem;
        margin-bottom: var(--lemon-spacing-2xl);
    }

    .hero-actions .lemon-btn {
        padding: 14px 28px;
        font-size: 15px;
        border-radius: 40px;
    }

    .lemon-section-header h2 {
        font-size: 1.8rem;
    }

    /* 小屏幕按钮布局 */
    .primary-actions {
        grid-template-columns: 1fr;
        gap: var(--lemon-space-3);
    }

    .hero-btn {
        padding: 8px 10px;
        font-size: 12px;
        min-width: auto;
        height: 44px;
        gap: var(--lemon-space-2);
    }

    .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .btn-main {
        font-size: 12px;
    }

    .btn-sub {
        font-size: 10px;
    }

    /* 小屏幕下载链接样式 */
    .download-links {
        flex-direction: column;
        gap: var(--lemon-space-1);
        align-items: center;
    }

    .download-link {
        font-size: 0.75rem;
        padding: 4px 8px;
        border-radius: 12px;
    }

    .lemon-cta-section {
        padding: 60px 0;
    }

    .lemon-cta-title {
        font-size: 1.75rem;
    }

    .cta-actions .btn,
    .lemon-cta-actions .lemon-btn {
        padding: 16px 32px;
        font-size: 16px;
    }

    .contact-quick {
        padding: 60px 0;
    }

    .lemon-advantage-item,
    .contact-item {
        padding: var(--lemon-spacing-lg) var(--lemon-spacing-md);
    }

    .lemon-advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .contact-icon {
        width: 80px;
        height: 80px;
    }

    .contact-icon i {
        font-size: 32px;
    }

    .contact-item:hover {
        transform: translateY(-6px) scale(1.01);
    }

    .cta-note {
        padding: var(--lemon-spacing-md) var(--lemon-spacing-lg);
        border-radius: 30px;
        font-size: 14px;
    }

    /* 核心功能小屏幕优化 */
    .lemon-feature-item {
        padding: var(--lemon-spacing-lg) var(--lemon-spacing-md);
    }

    .lemon-feature-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .lemon-feature-content h3 {
        font-size: var(--lemon-text-lg);
    }

    .lemon-feature-content p {
        font-size: var(--lemon-text-sm);
    }

    /* 应用场景小屏幕优化 */
    .lemon-use-case-item {
        padding: var(--lemon-spacing-md);
    }

    .lemon-use-case-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .lemon-use-case-content h3 {
        font-size: var(--lemon-text-base);
    }

    .lemon-use-case-content p {
        font-size: var(--lemon-text-xs);
    }
}

/* 轮播组件 */
.product-carousel {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--lemon-radius-2xl);
    box-shadow: var(--lemon-shadow-xl);
}

.carousel-slide {
    display: none;
    width: 100%;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.placeholder-image {
    width: 100%;
    height: 400px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.placeholder-image i {
    font-size: 48px;
    margin-bottom: var(--lemon-spacing-sm);
    opacity: 0.7;
}

.placeholder-image span {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
}

/* 现代化核心功能样式 */
.lemon-features-section {
    background: var(--lemon-bg-secondary);
    position: relative;
}

/* 价格方案区域 */
.pricing-section {
    padding: var(--lemon-space-20) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--lemon-space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-section .lemon-pricing-card {
    animation: fadeInUp 0.6s var(--lemon-transition-smooth) both;
}

/* 价格显示样式 */
.plan-price {
    margin: var(--lemon-space-4) 0;
    display: flex;
    align-items: baseline;
    gap: var(--lemon-space-2);
    flex-wrap: wrap;
}

.plan-price .original-price {
    font-size: 1rem;
    color: var(--lemon-text-muted);
    opacity: 0.7;
}

.plan-price .original-price.strikethrough {
    text-decoration: line-through;
    position: relative;
}

.plan-price .original-price.strikethrough::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    right: 0;
    height: 2px;
    background: var(--lemon-danger);
    transform: translateY(-50%);
    animation: strikethrough 0.3s ease-out;
}

@keyframes strikethrough {
    from {
        width: 0;
        left: 50%;
    }
    to {
        width: 100%;
        left: 0;
    }
}

.plan-price .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--lemon-text-primary);
    transition: all var(--lemon-transition-smooth);
}

.plan-price .price.discounted {
    color: var(--lemon-primary);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    position: relative;
}

.plan-price .price.discounted::before {
    content: '特价';
    position: absolute;
    top: -8px;
    right: -10px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 8px;
    transform: rotate(12deg);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.plan-price .period {
    font-size: 1rem;
    color: var(--lemon-text-secondary);
    margin-left: var(--lemon-space-1);
}

/* 价格信息居中显示 */
.plan-price {
    justify-content: center;
    text-align: center;
}

/* 下载链接样式 */
.download-links {
    display: flex;
    align-items: center;
    gap: var(--lemon-space-2);
    margin-bottom: var(--lemon-space-2);
    flex-wrap: wrap;
}

.download-label {
    font-size: 0.9rem;
    color: var(--lemon-text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.download-link {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 6px 12px;
    transition: all var(--lemon-transition-smooth);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
}

.download-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.download-link i {
    font-size: 0.9rem;
}

.download-link span {
    white-space: nowrap;
}

.lemon-features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.lemon-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--lemon-spacing-3xl);
    position: relative;
    z-index: 1;
}

/* 兼容性选择器 - 同时支持多种命名方式 */
.lemon-feature-item,
.lemon-advantage-item {
    background: var(--gradient-card);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.lemon-feature-item {
    background: var(--lemon-gradient-card);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.lemon-feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--lemon-gradient-primary);
    transform: scaleY(0);
    transition: transform var(--lemon-transition-smooth);
}

.lemon-feature-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(102, 126, 234, 0.1);
}

.lemon-feature-item:hover::before {
    transform: scaleY(1);
}

.lemon-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--lemon-spacing-xl);
    background: var(--lemon-gradient-primary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.lemon-feature-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--lemon-gradient-primary);
    border-radius: calc(var(--lemon-radius-2xl) + 3px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.lemon-feature-item:hover .lemon-feature-icon {
    transform: scale(1.1);
}

.lemon-feature-item:hover .lemon-feature-icon::before {
    opacity: 0.4;
    transform: scale(1.2);
}

.lemon-feature-content h3 {
    font-size: var(--lemon-text-xl);
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-md);
    color: var(--lemon-text-primary);
    line-height: 1.3;
}

.lemon-feature-content p {
    color: var(--lemon-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--lemon-spacing-lg);
    font-size: var(--lemon-text-base);
}

.lemon-feature-details {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.lemon-feature-details li {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    padding: var(--lemon-spacing-xs) 0;
    color: var(--lemon-text-secondary);
    font-size: var(--lemon-text-sm);
}

.lemon-feature-details li::before {
    content: '✓';
    color: var(--lemon-success);
    font-weight: 600;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

/* 现代化应用场景样式 */
.lemon-use-cases-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.lemon-use-cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.02) 0%, transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(245, 87, 108, 0.02) 0%, transparent 60%);
    pointer-events: none;
}

.lemon-use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--lemon-spacing-2xl);
    position: relative;
    z-index: 1;
}

.lemon-use-case-item {
    background: var(--lemon-gradient-card);
    padding: var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.lemon-use-case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lemon-gradient-secondary);
    transform: scaleX(0);
    transition: transform var(--lemon-transition-smooth);
}

.lemon-use-case-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(245, 87, 108, 0.1);
}

.lemon-use-case-item:hover::before {
    transform: scaleX(1);
}

.lemon-use-case-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--lemon-spacing-lg);
    background: var(--lemon-gradient-secondary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.lemon-use-case-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--lemon-gradient-secondary);
    border-radius: calc(var(--lemon-radius-2xl) + 2px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.lemon-use-case-item:hover .lemon-use-case-icon {
    transform: scale(1.1) rotate(5deg);
}

.lemon-use-case-item:hover .lemon-use-case-icon::before {
    opacity: 0.4;
    transform: scale(1.2);
}

.lemon-use-case-content h3 {
    font-size: var(--lemon-text-lg);
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-sm);
    color: var(--lemon-text-primary);
    line-height: 1.3;
}

.lemon-use-case-content p {
    color: var(--lemon-text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: var(--lemon-text-sm);
}

/* 现代化动画系统 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: var(--lemon-shadow-sm);
    }
    50% {
        box-shadow: var(--lemon-shadow-glow);
    }
}

/* 动画延迟类 */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

.animate-in {
    animation: fadeInUp 0.8s var(--lemon-transition-smooth) both;
}

.animate-scale {
    animation: fadeInScale 0.6s var(--lemon-transition-bounce) both;
}

.animate-slide-right {
    animation: slideInRight 0.8s var(--lemon-transition-smooth) both;
}

.animate-slide-left {
    animation: slideInLeft 0.8s var(--lemon-transition-smooth) both;
}

/* 通用布局修复 */
.pricing-section .lemon-section-header,
.product-advantages .lemon-section-header,
.lemon-features-section .lemon-section-header,
.lemon-use-cases-section .lemon-section-header {
    margin-bottom: var(--lemon-space-16);
}

.pricing-section .lemon-container,
.product-advantages .lemon-container,
.lemon-features-section .lemon-container,
.lemon-use-cases-section .lemon-container {
    max-width: var(--lemon-container-width);
    margin: 0 auto;
    padding: 0 var(--lemon-container-padding);
    width: 100%;
}

/* 修复价格方案间距 */
.pricing-section .pricing-grid {
    margin-top: 0;
}

/* 修复计划头部间距和居中显示 */
.lemon-pricing-card .plan-header {
    margin-bottom: var(--lemon-spacing-xl);
    text-align: center;
}

.lemon-pricing-card .plan-features {
    margin-bottom: var(--lemon-spacing-xl);
}

/* 修复特性列表样式 */
.lemon-pricing-card .plan-features .feature-item {
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-md);
    padding: var(--lemon-spacing-md) 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    background: none;
    box-shadow: none;
    border-radius: 0;
    transition: all var(--lemon-transition-fast);
}

.lemon-pricing-card .plan-features .feature-item:last-child {
    border-bottom: none;
}

.lemon-pricing-card .plan-features .feature-item i {
    color: var(--lemon-success);
    font-size: var(--lemon-text-base);
    width: 20px;
    text-align: center;
    background: rgba(34, 197, 94, 0.1);
    padding: 4px;
    border-radius: var(--lemon-radius-full);
}

.lemon-pricing-card .plan-features .feature-item span {
    font-size: var(--lemon-text-base);
    font-weight: 500;
    color: var(--lemon-text-primary);
}

/* 通用按钮样式兼容性 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--lemon-space-3) var(--lemon-space-6);
    margin: 0;
    border: 2px solid transparent;
    border-radius: var(--lemon-radius-lg);
    background: transparent;
    color: var(--lemon-text-primary);
    font-family: inherit;
    font-size: var(--lemon-text-base);
    font-weight: var(--lemon-font-semibold);
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    transition: all var(--lemon-transition-base);
    gap: var(--lemon-space-2);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:focus {
    outline: 2px solid var(--lemon-primary);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 按钮大小变体 */
.btn-sm {
    padding: var(--lemon-space-2) var(--lemon-space-4);
    font-size: var(--lemon-text-sm);
    border-radius: var(--lemon-radius-md);
}

.btn-lg {
    padding: var(--lemon-space-4) var(--lemon-space-8);
    font-size: var(--lemon-text-lg);
    border-radius: var(--lemon-radius-xl);
}

/* 按钮块级显示 */
.btn-block {
    display: flex;
    width: 100%;
}

/* ====== 无产品时占位页面样式 ====== */

/* 占位Hero区域 */
.lemon-hero-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #5b73e8 50%, #8b5cf6 75%, #667eea 100%);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.placeholder-hero-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--lemon-spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 2000px;
    width: 100%;
    margin: 0 auto;
    padding: var(--lemon-spacing-4xl) var(--lemon-spacing-xl);
    min-height: 95vh;
}

/* 占位内容区域 */
.placeholder-content-zone {
    animation: slideInLeft 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.placeholder-brand-identity {
    margin-bottom: var(--lemon-spacing-lg);
}

.placeholder-creative-title {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    position: relative;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--lemon-spacing-xs);
}

.placeholder-description-zone {
    margin-bottom: var(--lemon-spacing-xl);
    animation: slideInUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s both;
}

.placeholder-value-points {
    display: flex;
    gap: var(--lemon-spacing-md);
    flex-wrap: wrap;
    margin-top: var(--lemon-spacing-md);
}

.placeholder-action-zone {
    animation: slideInUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s both;
}

/* 占位视觉区域 */
.placeholder-visual-zone {
    position: relative;
    animation: slideInRight 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

.placeholder-showcase {
    position: relative;
    width: 100%;
    height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-3d-container {
    position: relative;
    width: 100%;
    max-width: 650px;
    height: 480px;
    perspective: 1200px;
    transform-style: preserve-3d;
}

.placeholder-display-stack {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: stackFloat 6s ease-in-out infinite;
}

.placeholder-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateZ(-50px) rotateY(15deg);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.placeholder-layer.active {
    opacity: 1;
    transform: translateZ(0) rotateY(0deg);
}

.placeholder-card {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: var(--lemon-radius-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.placeholder-icon-large {
    font-size: 80px;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--lemon-spacing-lg);
    animation: iconBreathe 3s ease-in-out infinite;
}

.placeholder-text span {
    display: block;
    color: rgba(255,255,255,0.8);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-sm);
}

.placeholder-text small {
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
}

.placeholder-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: glowPulse 4s ease-in-out infinite;
}

/* 占位信息卡片 */
.placeholder-info-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 5;
}

.placeholder-info-cards .info-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: var(--lemon-spacing-sm) var(--lemon-spacing-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    color: var(--lemon-text-primary);
    font-size: var(--lemon-text-sm);
    font-weight: 600;
    animation: cardFloat 4s ease-in-out infinite;
    transform-origin: center;
}

.placeholder-info-cards .card-1 {
    top: 15%;
    right: -20px;
    animation-delay: 0s;
}

.placeholder-info-cards .card-2 {
    bottom: 30%;
    left: -30px;
    animation-delay: 1.5s;
}

.placeholder-info-cards .card-3 {
    top: 60%;
    right: -15px;
    animation-delay: 3s;
}

/* 占位高亮标签 */
.placeholder-highlights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 4;
}

.placeholder-highlights .highlight-tag {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 30px;
    padding: var(--lemon-spacing-xs) var(--lemon-spacing-md);
    font-size: var(--lemon-text-xs);
    font-weight: 700;
    color: var(--lemon-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: tagFloat 5s ease-in-out infinite;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.placeholder-highlights .tag-1 {
    top: 20%;
    left: -10px;
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    color: #92400e;
    border-color: rgba(251, 191, 36, 0.4);
    animation-delay: 0s;
}

.placeholder-highlights .tag-2 {
    bottom: 40%;
    right: -15px;
    background: linear-gradient(135deg, #dcfce7 0%, #22c55e 100%);
    color: #166534;
    border-color: rgba(34, 197, 94, 0.4);
    animation-delay: 2s;
}

.placeholder-highlights .tag-3 {
    top: 65%;
    left: -5px;
    background: linear-gradient(135deg, #ddd6fe 0%, #8b5cf6 100%);
    color: #581c87;
    border-color: rgba(139, 92, 246, 0.4);
    animation-delay: 4s;
}

/* 快速开始指南 */
.quick-start-guide {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.quick-start-guide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--lemon-spacing-3xl);
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.guide-step {
    background: var(--lemon-gradient-card);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.guide-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lemon-gradient-primary);
    transform: scaleX(0);
    transition: transform var(--lemon-transition-smooth);
}

.guide-step:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(102, 126, 234, 0.1);
}

.guide-step:hover::before {
    transform: scaleX(1);
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--lemon-spacing-xl);
    background: var(--lemon-gradient-primary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.step-number::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--lemon-gradient-primary);
    border-radius: calc(var(--lemon-radius-2xl) + 3px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.guide-step:hover .step-number {
    transform: scale(1.1);
}

.guide-step:hover .step-number::before {
    opacity: 0.4;
    transform: scale(1.2);
}

.step-content h3 {
    font-size: var(--lemon-text-xl);
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-md);
    color: var(--lemon-text-primary);
    line-height: 1.3;
}

.step-content p {
    color: var(--lemon-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--lemon-spacing-lg);
    font-size: var(--lemon-text-base);
}

.step-action {
    display: inline-flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    padding: var(--lemon-spacing-md) var(--lemon-spacing-lg);
    background: var(--lemon-gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--lemon-radius-xl);
    font-weight: 600;
    font-size: var(--lemon-text-sm);
    transition: all var(--lemon-transition-smooth);
    box-shadow: var(--lemon-shadow-sm);
}

.step-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--lemon-shadow-lg);
    color: white;
}

/* 系统特性展示 */
.system-features {
    background: var(--lemon-bg-secondary);
    position: relative;
}

.system-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.02) 0%, transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(245, 87, 108, 0.02) 0%, transparent 60%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--lemon-spacing-3xl);
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid .feature-item {
    background: var(--lemon-gradient-card);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.features-grid .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--lemon-gradient-secondary);
    transform: scaleY(0);
    transition: transform var(--lemon-transition-smooth);
}

.features-grid .feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(245, 87, 108, 0.1);
}

.features-grid .feature-item:hover::before {
    transform: scaleY(1);
}

.features-grid .feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--lemon-spacing-xl);
    background: var(--lemon-gradient-secondary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.features-grid .feature-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--lemon-gradient-secondary);
    border-radius: calc(var(--lemon-radius-2xl) + 2px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.features-grid .feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.features-grid .feature-item:hover .feature-icon::before {
    opacity: 0.4;
    transform: scale(1.2);
}

.features-grid .feature-item h3 {
    font-size: var(--lemon-text-lg);
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-sm);
    color: var(--lemon-text-primary);
    line-height: 1.3;
}

.features-grid .feature-item p {
    color: var(--lemon-text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: var(--lemon-text-sm);
}

/* 联系支持 */
.contact-support {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.contact-support::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--lemon-spacing-2xl);
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.support-item {
    background: var(--lemon-gradient-card);
    padding: var(--lemon-spacing-3xl) var(--lemon-spacing-2xl);
    border-radius: var(--lemon-radius-3xl);
    text-align: center;
    box-shadow: var(--lemon-shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all var(--lemon-transition-smooth);
    position: relative;
    overflow: hidden;
}

.support-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lemon-gradient-primary);
    transform: scaleX(0);
    transition: transform var(--lemon-transition-smooth);
}

.support-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--lemon-shadow-lg);
    border-color: rgba(102, 126, 234, 0.1);
}

.support-item:hover::before {
    transform: scaleX(1);
}

.support-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--lemon-spacing-lg);
    background: var(--lemon-gradient-primary);
    border-radius: var(--lemon-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    position: relative;
    transition: all var(--lemon-transition-smooth);
}

.support-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--lemon-gradient-primary);
    border-radius: calc(var(--lemon-radius-2xl) + 2px);
    z-index: -1;
    opacity: 0.2;
    transition: all var(--lemon-transition-smooth);
}

.support-item:hover .support-icon {
    transform: scale(1.1);
}

.support-item:hover .support-icon::before {
    opacity: 0.4;
    transform: scale(1.2);
}

.support-item h3 {
    font-size: var(--lemon-text-lg);
    font-weight: 600;
    margin-bottom: var(--lemon-spacing-sm);
    color: var(--lemon-text-primary);
    line-height: 1.3;
}

.support-item p {
    color: var(--lemon-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--lemon-spacing-lg);
    font-size: var(--lemon-text-sm);
}

.support-link {
    display: inline-flex;
    align-items: center;
    gap: var(--lemon-spacing-sm);
    color: var(--lemon-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--lemon-text-sm);
    transition: all var(--lemon-transition-smooth);
}

.support-link:hover {
    color: var(--lemon-primary-dark);
    transform: translateX(4px);
}

.support-link i {
    transition: transform var(--lemon-transition-smooth);
}

.support-link:hover i {
    transform: translateX(4px);
}

/* 占位页面响应式设计 */
@media (max-width: 1024px) {
    .placeholder-hero-layout {
        gap: var(--lemon-spacing-2xl);
        max-width: 1400px;
        padding: var(--lemon-spacing-3xl) var(--lemon-spacing-lg);
        grid-template-columns: 1fr;
        min-height: 90vh;
    }

    .placeholder-content-zone {
        text-align: center;
        order: 1;
    }

    .placeholder-visual-zone {
        order: 2;
        margin-top: var(--lemon-spacing-xl);
    }

    .placeholder-showcase {
        height: 550px;
    }

    .placeholder-3d-container {
        max-width: 550px;
        height: 420px;
    }

    .placeholder-value-points {
        justify-content: center;
    }

    .placeholder-action-zone .primary-actions {
        justify-content: center;
    }

    .placeholder-action-zone .secondary-actions {
        justify-content: center;
    }

    .guide-steps,
    .features-grid,
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .lemon-hero-placeholder {
        min-height: 90vh;
    }

    .placeholder-hero-layout {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-xl);
        padding: var(--lemon-spacing-2xl) var(--lemon-spacing-md);
        max-width: 100%;
        min-height: 85vh;
    }

    .placeholder-content-zone {
        text-align: center;
    }

    .placeholder-creative-title {
        font-size: clamp(2.2rem, 8vw, 3rem);
    }

    .placeholder-value-points {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--lemon-spacing-sm);
    }

    .placeholder-action-zone .primary-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--lemon-spacing-md);
    }

    .placeholder-action-zone .hero-btn {
        width: 100%;
        max-width: 300px;
        min-width: auto;
        padding: 18px 24px;
    }

    .placeholder-action-zone .secondary-actions {
        justify-content: center;
        gap: var(--lemon-spacing-lg);
    }

    .placeholder-showcase {
        height: 450px;
    }

    .placeholder-3d-container {
        max-width: 400px;
        height: 340px;
    }

    .guide-steps,
    .features-grid,
    .support-grid {
        grid-template-columns: 1fr;
        gap: var(--lemon-spacing-lg);
    }

    .guide-step,
    .features-grid .feature-item,
    .support-item {
        padding: var(--lemon-spacing-2xl) var(--lemon-spacing-lg);
    }

    .step-number,
    .features-grid .feature-icon,
    .support-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .lemon-hero-placeholder {
        min-height: 80vh;
    }

    .placeholder-hero-layout {
        gap: var(--lemon-spacing-lg);
        padding: var(--lemon-spacing-xl) var(--lemon-spacing-sm);
        min-height: 80vh;
    }

    .placeholder-creative-title {
        font-size: clamp(2rem, 6vw, 2.8rem);
    }

    .placeholder-action-zone .hero-btn {
        padding: 14px 28px;
        font-size: 15px;
        border-radius: 40px;
    }

    .guide-step,
    .features-grid .feature-item,
    .support-item {
        padding: var(--lemon-spacing-lg) var(--lemon-spacing-md);
    }

    .step-number,
    .features-grid .feature-icon,
    .support-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .guide-step h3,
    .features-grid .feature-item h3,
    .support-item h3 {
        font-size: var(--lemon-text-base);
    }

    .guide-step p,
    .features-grid .feature-item p,
    .support-item p {
        font-size: var(--lemon-text-xs);
    }
}