/* AI决策指南专用样式 */
:root {
    /* AI Guide 专用配色 */
    --ai-primary: #2563eb;
    --ai-secondary: #7c3aed;
    --ai-accent: #059669;
    --ai-warning: #f59e0b;
    --ai-danger: #ef4444;
    --ai-dark: #0f172a;
    --ai-light: #f8fafc;
    --ai-glass: rgba(255, 255, 255, 0.1);
    
    /* 渐变色 */
    --ai-gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --ai-gradient-accent: linear-gradient(135deg, #059669 0%, #0d9488 100%);
    --ai-gradient-bg: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --ai-gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    
    /* 阴影效果 */
    --ai-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ai-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --ai-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --ai-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --ai-shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
    
    /* 动画 */
    --ai-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ai-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 页面布局 */
.ai-guide-container {
    min-height: 100vh;
    background: var(--ai-gradient-bg);
    position: relative;
    overflow-x: hidden;
}

.ai-guide-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.ai-guide-content {
    position: relative;
    z-index: 1;
    padding-top: 6rem;
    background: url('/static/images/aibanner1.png') no-repeat center center;
    background-size: cover, cover;
    background-position: center center, center center;
    background-repeat: no-repeat, no-repeat;
    background-attachment: fixed, fixed;
   
}

/* Hero Section */
.ai-hero {
    text-align: center;
    padding: 4rem 0 6rem;
    background: 
        linear-gradient(135deg, rgba(37, 99, 235, 0.8) 0%, rgba(124, 58, 237, 0.2) 100%),
        url('/static/images/banner-2.png');
    background-size: cover, cover;
    background-position: center center, center center;
    background-repeat: no-repeat, no-repeat;
    background-attachment: fixed, fixed;
    animation: gradientShift 8s ease-in-out infinite;
    color: white;
    position: relative;
    overflow: hidden;
}

.ai-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.ai-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out;
}

.ai-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.ai-hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.ai-stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    min-width: 180px;
    transition: var(--ai-transition);
}

.ai-stat-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.ai-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.ai-stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 进度指示器 */
.ai-progress-container {
    background: white;
    box-shadow: var(--ai-shadow);
    padding: 1rem 2rem;
    position: sticky;
    top: 80px;
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}

.ai-progress-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: x-large;
}

.ai-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.ai-progress-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 25px;
    left: 60%;
    right: -40%;
    height: 2px;
    background: #e2e8f0;
    z-index: -1;
}

.ai-progress-step.completed:not(:last-child)::after {
    background: var(--ai-gradient-primary);
}

.ai-step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e2e8f0;
    color: #64748b;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: var(--ai-transition);
    font-size: x-large;
}

.ai-progress-step.completed .ai-step-number {
    background: var(--ai-gradient-primary);
    color: white;
    box-shadow: var(--ai-shadow-glow);
}

.ai-step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
    text-align: center;
}

.ai-progress-step.completed .ai-step-label {
    color: var(--ai-primary);
}

/* 卡片样式 */
.ai-card {
    background: var(--ai-gradient-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--ai-shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
}

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

.ai-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--ai-shadow-xl);
}

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

.ai-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.ai-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--ai-gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.5rem;
}

.ai-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ai-dark);
    margin: 0;
}

.ai-card-subtitle {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* 网格布局 */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.ai-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.ai-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.ai-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* 评估工具样式 - 优化版本 */
.ai-assessment-tool {
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(248, 250, 252, 0.9) 50%, 
        rgba(255, 255, 255, 0.95) 100%);
    border-radius: 32px;
    padding: 4rem 3rem;
    box-shadow: 
        0 25px 50px -12px 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);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: var(--ai-transition-slow);
    animation: assessmentToolEntrance 1s ease-out;
}

.ai-assessment-tool::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--ai-gradient-primary);
    border-radius: 32px 32px 0 0;
    animation: progressGlow 3s ease-in-out infinite;
}

.ai-assessment-tool::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, 
        rgba(37, 99, 235, 0.03) 0%, 
        transparent 40%);
    animation: assessmentGlow 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.ai-assessment-tool:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 35px 60px -12px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(37, 99, 235, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.ai-assessment-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.ai-assessment-header h2 {
    color: var(--ai-dark);
    margin-bottom: 1rem;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--ai-gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: titleGlow 2s ease-in-out infinite alternate;
}

.ai-assessment-header p {
    color: #64748b;
    font-size: 1.125rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.ai-assessment-progress {
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, #e2e8f0, #f1f5f9, #e2e8f0);
    border-radius: 8px;
    overflow: hidden;
    margin: 2rem 0;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ai-assessment-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent);
    animation: progressShine 2s infinite;
}

.ai-assessment-progress-fill {
    height: 100%;
    background: var(--ai-gradient-primary);
    border-radius: 8px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.ai-assessment-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.5), 
        transparent);
    animation: shimmer 2s infinite;
}

/* 分类导航优化 */
.ai-assessment-nav {
    display: flex !important;
    justify-content: center !important;
    gap: 1.5rem !important;
    margin: 2rem 0 !important;
    flex-wrap: wrap !important;
}

.ai-category-nav {
    padding: 1rem 2rem !important;
    background: linear-gradient(145deg, #ffffff, #f8fafc) !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 20px !important;
    cursor: pointer !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-align: center !important;
    min-width: 160px !important;
    position: relative !important;
    overflow: hidden !important;
}

.ai-category-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(37, 99, 235, 0.1), 
        transparent);
    transition: left 0.5s ease;
}

.ai-category-nav:hover::before {
    left: 100%;
}

.ai-category-nav:hover {
    border-color: var(--ai-primary) !important;
    transform: translateY(-2px) scale(1.02) !important;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.15) !important;
    background: linear-gradient(145deg, #ffffff, #f0f7ff) !important;
}

.ai-category-nav.active {
    border-color: var(--ai-primary) !important;
    background: var(--ai-gradient-primary) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.3) !important;
}

.ai-category-nav.active div {
    color: white !important;
}

.ai-question-card {
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.9), 
        rgba(248, 250, 252, 0.8));
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    border: 2px solid transparent;
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.ai-question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, 
        rgba(37, 99, 235, 0.02), 
        rgba(124, 58, 237, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.ai-question-card:hover::before {
    opacity: 1;
}

.ai-question-card.active {
    border-color: var(--ai-primary);
    box-shadow: 
        0 15px 35px rgba(37, 99, 235, 0.15),
        0 0 0 4px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.ai-question-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--ai-dark);
    margin-bottom: 2rem;
    line-height: 1.5;
    position: relative;
}

.ai-question-title::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--ai-gradient-primary);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ai-question-card.active .ai-question-title::before {
    opacity: 1;
}

.ai-question-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-option {
    display: flex;
    align-items: center;
    padding: 1.25rem 1.75rem;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.ai-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(37, 99, 235, 0.05), 
        transparent);
    transition: left 0.5s ease;
}

.ai-option:hover::before {
    left: 100%;
}

.ai-option:hover {
    border-color: var(--ai-primary);
    transform: translateX(8px) scale(1.01);
    box-shadow: 
        0 8px 25px rgba(37, 99, 235, 0.1),
        0 0 0 2px rgba(37, 99, 235, 0.05);
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
}

.ai-option.selected {
    border-color: var(--ai-primary);
    background: linear-gradient(145deg, 
        rgba(37, 99, 235, 0.08), 
        rgba(37, 99, 235, 0.05));
    transform: translateX(8px);
    box-shadow: 
        0 10px 30px rgba(37, 99, 235, 0.15),
        0 0 0 3px rgba(37, 99, 235, 0.1);
}

.ai-option.selected::after {
    content: '✓';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ai-primary);
    font-weight: bold;
    font-size: 1.25rem;
    animation: checkmarkPop 0.3s ease-out;
}

.ai-option input[type="radio"],
.ai-option input[type="checkbox"] {
    margin-right: 1rem;
    transform: scale(1.2);
    accent-color: var(--ai-primary);
}

.ai-option-text {
    flex: 1;
    font-weight: 500;
    transition: color 0.3s ease;
}

.ai-option.selected .ai-option-text {
    color: var(--ai-primary);
    font-weight: 600;
}

/* 新增动画 */
@keyframes assessmentToolEntrance {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes assessmentGlow {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1) rotate(180deg);
        opacity: 0.1;
    }
}

@keyframes progressGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
    }
}

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

@keyframes checkmarkPop {
    0% {
        transform: translateY(-50%) scale(0);
    }
    50% {
        transform: translateY(-50%) scale(1.2);
    }
    100% {
        transform: translateY(-50%) scale(1);
    }
}

/* 评估工具额外优化 */
.ai-assessment-tool .ai-assessment-actions {
    position: relative;
    z-index: 1;
}

.ai-assessment-tool .ai-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border: 2px solid #e2e8f0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-assessment-tool .ai-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 0.5s ease;
}

.ai-assessment-tool .ai-btn:hover::before {
    left: 100%;
}

.ai-assessment-tool .ai-btn-primary {
    background: var(--ai-gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.ai-assessment-tool .ai-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.ai-assessment-tool .ai-btn-secondary:hover {
    border-color: var(--ai-primary);
    color: var(--ai-primary);
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
}

/* 进度文本样式优化 */
#progress-text {
    font-weight: 600;
    color: var(--ai-primary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

#step-indicator {
    font-weight: 500;
    color: #64748b;
    background: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

/* 结果展示 */
.ai-result-container {
    background: white;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--ai-shadow-xl);
    text-align: center;
}

.ai-score-display {
    position: relative;
    margin: 2rem 0;
}

.ai-score-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    position: relative;
}

.ai-score-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 700;
    color: var(--ai-primary);
}

.ai-score-label {
    font-size: 1.25rem;
    color: #64748b;
    margin-top: 1rem;
}

.ai-recommendations {
    text-align: left;
    margin-top: 3rem;
}

.ai-recommendation-item {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--ai-light);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.ai-recommendation-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--ai-gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
    flex-shrink: 0;
}

.ai-recommendation-content h4 {
    color: var(--ai-dark);
    margin-bottom: 0.5rem;
}

.ai-recommendation-content p {
    color: #64748b;
    margin: 0;
}

/* 行业分析样式 */
.ai-industry-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
    justify-content: center;
}

.ai-industry-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--ai-transition);
    font-weight: 500;
    color: #64748b;
}

.ai-industry-btn:hover,
.ai-industry-btn.active {
    border-color: var(--ai-primary);
    background: var(--ai-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--ai-shadow);
}

.ai-industry-content {
    margin-top: 3rem;
}

.ai-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.ai-metric-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--ai-shadow);
    transition: var(--ai-transition);
}

.ai-metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.ai-metric-label {
    color: #64748b;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 决策树样式 */
.ai-decision-tree {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--ai-shadow-lg);
}

.ai-tree-node {
    background: var(--ai-light);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
    text-align: center;
    transition: var(--ai-transition);
}

.ai-tree-node.active {
    background: rgba(37, 99, 235, 0.05);
    border: 2px solid var(--ai-primary);
}

.ai-tree-question {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ai-dark);
    margin-bottom: 2rem;
}

.ai-tree-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.ai-tree-option {
    padding: 1rem 2rem;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--ai-transition);
    font-weight: 500;
    min-width: 150px;
}

.ai-tree-option:hover {
    border-color: var(--ai-primary);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

/* 按钮样式 */
.ai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--ai-transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

.ai-btn-primary {
    background: var(--ai-gradient-primary);
    color: white;
    box-shadow: var(--ai-shadow-glow);
}

.ai-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.ai-btn-secondary {
    background: white;
    color: var(--ai-primary);
    border: 2px solid var(--ai-primary);
}

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

.ai-btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* 动画 */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 加载动画 */
.ai-loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--ai-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 评估加载动画 */
.ai-loading-container {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ai-loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.ai-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #e2e8f0;
    border-top: 6px solid #2563eb;
    border-right: 6px solid #3b82f6;
    border-radius: 50%;
    animation: assessmentSpin 1.5s linear infinite;
}

.ai-progress-dots {
    display: inline-block;
}

.ai-progress-dots span {
    display: inline-block;
    animation: assessmentDots 1.5s infinite;
    font-size: 1.5rem;
    color: #2563eb;
    margin: 0 0.1rem;
}

.ai-progress-dots span:nth-child(1) { animation-delay: 0s; }
.ai-progress-dots span:nth-child(2) { animation-delay: 0.3s; }
.ai-progress-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes assessmentSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes assessmentDots {
    0%, 20% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
    80%, 100% { opacity: 0.2; transform: scale(1); }
}

/* 加载弹窗样式 */
.ai-loading-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ai-loading-modal.show {
    opacity: 1;
}

.ai-loading-modal.hide {
    opacity: 0;
}

.ai-loading-modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-30px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.ai-loading-title {
    margin: 1.5rem 0 0.5rem 0;
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
}

.ai-loading-title i {
    color: #10b981;
    margin-right: 0.5rem;
}

.ai-loading-message {
    margin: 0;
    color: #64748b;
    font-size: 1rem;
    line-height: 1.5;
}

.ai-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .ai-hero h1 {
        font-size: 2.5rem;
    }
    
    .ai-hero-stats {
        gap: 2rem;
    }
    
    .ai-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .ai-hero {
        padding: 3rem 0 4rem;
        background-attachment: scroll, scroll;
    }
    
    .ai-hero h1 {
        font-size: 2rem;
    }
    
    .ai-hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ai-stat-item {
        min-width: auto;
    }
    
    .ai-progress-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ai-progress-step::after {
        display: none;
    }
    
    .ai-card,
    .ai-assessment-tool,
    .ai-result-container {
        padding: 1.5rem;
    }
    
    .ai-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ai-tree-options {
        flex-direction: column;
    }
    
    .ai-tree-option {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .ai-hero h1 {
        font-size: 1.75rem;
    }
    
    .ai-card-header {
        flex-direction: column;
        text-align: center;
    }
    
    .ai-card-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

/* 行业卡片样式 */
.ai-industry-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--ai-shadow-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
}

.ai-industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ai-gradient-primary);
}

.ai-industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--ai-shadow-xl);
}

.ai-maturity-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-maturity-badge.pioneer {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.ai-maturity-badge.adopter {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.ai-maturity-badge.follower {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.ai-maturity-badge.beginner {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.ai-progress-bar {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.ai-progress-fill {
    height: 100%;
    background: var(--ai-gradient-primary);
    border-radius: 4px;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.ai-progress-label {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0;
}

.ai-use-cases {
    margin: 1.5rem 0;
}

.ai-use-cases ul {
    list-style: none;
    padding: 0;
    margin-top: 0.5rem;
}

.ai-use-cases li {
    padding: 0.25rem 0;
    color: #475569;
    position: relative;
    padding-left: 1.5rem;
}

.ai-use-cases li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--ai-primary);
    font-weight: bold;
}

.ai-growth-indicator {
    font-size: 0.875rem;
    color: #10b981;
    font-weight: 600;
}

/* 时间线样式 */
.ai-timeline {
    position: relative;
    padding: 3rem 0;
}

.ai-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--ai-gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.ai-timeline-item {
    position: relative;
    margin: 3rem 0;
    padding: 0 2rem;
}

.ai-timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + 3rem);
}

.ai-timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + 3rem);
}

.ai-timeline-dot {
    position: absolute;
    top: 1rem;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--ai-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid white;
    box-shadow: 0 0 0 4px var(--ai-primary);
    z-index: 2;
}

.ai-timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--ai-shadow);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.ai-timeline-content h4 {
    color: var(--ai-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.ai-timeline-content h5 {
    color: var(--ai-secondary);
    margin-bottom: 1rem;
}

/* 方案选择页面样式 */
.ai-decision-tree {
    background: white;
    border-radius: 16px;
    padding: 3rem;
    margin: 2rem 0;
    box-shadow: var(--ai-shadow-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.ai-question-step {
    margin-bottom: 3rem;
}

.ai-question-step h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ai-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.ai-solution-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: var(--ai-shadow);
    border: 2px solid transparent;
    transition: var(--ai-transition);
    cursor: pointer;
    text-align: center;
}

.ai-solution-card:hover {
    border-color: var(--ai-primary);
    transform: translateY(-4px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-solution-card.selected {
    border-color: var(--ai-primary);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(124, 58, 237, 0.05));
    box-shadow: var(--ai-shadow-glow);
}

.ai-solution-card h5 {
    color: var(--ai-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.ai-solution-card p {
    color: #64748b;
    margin: 0;
    font-size: 0.9rem;
}

/* 对比表格样式 */
.ai-comparison-table {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--ai-shadow-lg);
    margin: 2rem 0;
}

.ai-comparison-table table {
    margin: 0;
}

.ai-comparison-table thead {
    background: var(--ai-gradient-primary);
    color: white;
}

.ai-comparison-table th {
    padding: 1rem;
    font-weight: 600;
    border: none;
}

.ai-comparison-table td {
    padding: 1rem;
    border: none;
    border-bottom: 1px solid #e2e8f0;
}

.ai-feature-check {
    color: #10b981;
    font-weight: bold;
}

.ai-feature-cross {
    color: #ef4444;
    font-weight: bold;
}

.ai-feature-partial {
    color: #f59e0b;
    font-weight: bold;
}

/* 推荐结果样式 */
.ai-recommendation-result {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    border: 2px solid #10b981;
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
}

.ai-recommendation-result h4 {
    color: #059669;
    margin-bottom: 1rem;
}

.ai-recommendation-result .row > div {
    text-align: left;
}

.ai-recommendation-result h6 {
    color: var(--ai-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* 工具提示样式 */
.ai-tooltip {
    position: relative;
    cursor: help;
}

.ai-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ai-dark);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--ai-transition);
    z-index: 1000;
}

.ai-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 紧迫感行动号召专用样式 */
.ai-urgency-cta {
    padding: 5rem 0;
    text-align: center;
    background: 
        linear-gradient(135deg, rgba(220, 38, 38, 0.25) 0%, rgba(185, 28, 28, 0.65) 100%),
        radial-gradient(circle at 30% 70%, rgba(251, 191, 36, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(239, 68, 68, 0.3) 0%, transparent 50%),
        linear-gradient(45deg, #1e293b 0%, #0f172a 100%);
    border-radius: 32px;
    margin: 4rem 0;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 25px 50px -12px rgba(220, 38, 38, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(220, 38, 38, 0.2);
}

.ai-urgency-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            rgba(220, 38, 38, 0.1) 2px,
            rgba(220, 38, 38, 0.1) 4px
        );
    animation: urgencyMove 15s linear infinite;
    pointer-events: none;
}

.ai-urgency-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(239, 68, 68, 0.2) 0%, transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.15) 0%, transparent 30%);
    animation: urgencyPulse 3s ease-in-out infinite alternate;
    pointer-events: none;
}

.ai-urgency-container {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
}

.ai-urgency-badge {
    display: inline-flex;
    align-items: center;
    background: 
        linear-gradient(135deg, rgba(239, 68, 68, 0.9) 0%, rgba(220, 38, 38, 0.9) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 3rem;
    margin-bottom: 2rem;
    box-shadow: 
        0 10px 25px rgba(239, 68, 68, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: urgencyBadgePulse 2s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.ai-urgency-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: urgencyShine 3s ease-in-out infinite;
}

.ai-urgency-badge i {
    animation: urgencyTick 1s ease-in-out infinite;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.ai-urgency-title {
    color: white;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.5),
        0 2px 4px rgba(220, 38, 38, 0.3);
    line-height: 1.2;
}

.ai-urgency-subtitle {
    font-size: 1.375rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 2rem 0 3rem;
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.ai-cost-grid {
    background: 
        rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem;
    margin: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.ai-cost-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.8), transparent);
    animation: urgencyLine 2s ease-in-out infinite;
}

.ai-cost-title {
    color: #fef3c7;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
}

.ai-cost-title::before {
    content: '⚠️';
    margin-right: 0.5rem;
    font-size: 1.25em;
    animation: urgencyWarning 1.5s ease-in-out infinite;
}

.ai-cost-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.ai-cost-item {
    padding: 1.5rem;
    background: 
        linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.1) 100%);
        border-left: 8px solid #350505;
    border-radius: 12px;
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
}

.ai-cost-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--ai-transition);
}

.ai-cost-item:hover::before {
    opacity: 1;
}

.ai-cost-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(239, 68, 68, 0.2);
    border-left-color: #fbbf24;
}

.ai-cost-label {
    color: #f8d500;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.ai-cost-label::before {
    content: '📉';
    margin-right: 0.5rem;
    font-size: 1.2em;
}

.ai-cost-value {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.4;
}

.ai-urgency-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 3rem 0 2rem;
}

.ai-urgency-btn {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.ai-urgency-btn-primary {
    background: 
        linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    color: #1e293b;
    box-shadow: 
        0 15px 35px rgba(251, 191, 36, 0.4),
        0 5px 15px rgba(0, 0, 0, 0.2);
}

.ai-urgency-btn-primary::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: var(--ai-transition);
}

.ai-urgency-btn-primary:hover::before {
    left: 100%;
}

.ai-urgency-btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 
        0 20px 40px rgba(251, 191, 36, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.3);
}

.ai-urgency-btn-secondary {
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.ai-urgency-btn-secondary:hover {
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.ai-urgency-note {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 2rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    line-height: 1.6;
}

/* 动画效果 */
@keyframes urgencyMove {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes urgencyPulse {
    0% { opacity: 0.3; }
    100% { opacity: 0.7; }
}

@keyframes urgencyBadgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes urgencyShine {
    0% { left: -100%; }
    50% { left: -100%; }
    100% { left: 100%; }
}

@keyframes urgencyTick {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

@keyframes urgencyLine {
    0%, 100% { transform: scaleX(0); }
    50% { transform: scaleX(1); }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .ai-urgency-cta {
        padding: 3rem 0;
        margin: 2rem 0;
        border-radius: 20px;
    }
    
    .ai-urgency-title {
        font-size: 2rem;
    }
    
    .ai-urgency-subtitle {
        font-size: 1.125rem;
    }
    
    .ai-cost-grid {
        padding: 1.5rem;
    }
    
    .ai-cost-items {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ai-urgency-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .ai-urgency-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* 四步决策流程标题美化样式 */
.ai-process-header {
    position: relative;
    padding: 3rem 0 4rem;
    text-align: center;
}

.ai-process-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #059669, #f59e0b);
    border-radius: 2px;
    animation: processLineGlow 3s ease-in-out infinite alternate;
}

.ai-process-title {
    position: relative;
    display: inline-block;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #1e293b 0%, #475569 50%, #1e293b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.ai-process-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -20px;
    right: -20px;
    bottom: -10px;
    background: 
        linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 20px;
    z-index: -1;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.ai-process-title:hover::before {
    transform: scale(1);
}

.ai-process-title .ai-process-number {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    position: relative;
}

.ai-process-subtitle {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.25rem;
    color: #64748b;
    line-height: 1.8;
    position: relative;
    padding: 0 2rem;
}

.ai-process-subtitle::before,
.ai-process-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #8b5cf6, transparent);
    transform: translateY(-50%);
}

.ai-process-subtitle::before {
    left: 0;
}

.ai-process-subtitle::after {
    right: 0;
}

.ai-process-highlight {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.ai-process-highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.ai-process-highlight:hover::after {
    transform: scaleX(1);
}

/* 四步流程图标装饰 */
.ai-process-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0 3rem;
    flex-wrap: wrap;
}

.ai-process-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    position: relative;
    transition: var(--ai-transition);
    cursor: pointer;
}

.ai-process-icon:nth-child(1) {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    animation: iconFloat 3s ease-in-out infinite;
}

.ai-process-icon:nth-child(2) {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    animation: iconFloat 3s ease-in-out infinite 0.5s;
}

.ai-process-icon:nth-child(3) {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    animation: iconFloat 3s ease-in-out infinite 1s;
}

.ai-process-icon:nth-child(4) {
    background: linear-gradient(135deg, #10b981, #059669);
    animation: iconFloat 3s ease-in-out infinite 1.5s;
}

.ai-process-icon i {
    font-size: 1.5rem;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.ai-process-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: inherit;
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    filter: blur(8px);
    transition: var(--ai-transition);
}

.ai-process-icon:hover::before {
    opacity: 0.7;
}

.ai-process-icon:hover {
    transform: translateY(-4px) scale(1.1);
}

/* 流程连接线 */
.ai-process-icons::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20%;
    right: 20%;
    height: 2px;
    background: 
        linear-gradient(90deg, 
            transparent 0%, 
            #fbbf24 25%, 
            #06b6d4 50%, 
            #8b5cf6 75%, 
            #10b981 100%
        );
    transform: translateY(-50%);
    z-index: -1;
    opacity: 0.3;
    animation: flowLine 4s ease-in-out infinite;
}

/* 增强的标题悬停效果 */
.ai-process-header:hover .ai-process-title {
    animation: titleGlow 2s ease-in-out infinite alternate;
}

/* 响应式文字特效 */
.ai-process-word {
    display: inline-block;
    transition: var(--ai-transition);
}

.ai-process-word:hover {
    transform: translateY(-2px);
    color: #3b82f6;
}

/* 动画关键帧 */
@keyframes processLineGlow {
    0% { 
        box-shadow: 0 0 5px rgba(59, 130, 246, 0.3);
        transform: translateX(-50%) scaleX(1);
    }
    100% { 
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
        transform: translateX(-50%) scaleX(1.1);
    }
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes flowLine {
    0% { 
        background-position: 0% 50%;
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
    100% { 
        background-position: 100% 50%;
        opacity: 0.3;
    }
}

@keyframes titleGlow {
    0% { 
        filter: brightness(1) drop-shadow(0 0 0 transparent);
    }
    100% { 
        filter: brightness(1.1) drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
    }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .ai-process-title {
        font-size: 2rem;
    }
    
    .ai-process-subtitle {
        font-size: 1.125rem;
        padding: 0 1rem;
    }
    
    .ai-process-subtitle::before,
    .ai-process-subtitle::after {
        display: none;
    }
    
    .ai-process-icons {
        gap: 1rem;
    }
    
    .ai-process-icon {
        width: 50px;
        height: 50px;
    }
    
    .ai-process-icon i {
        font-size: 1.25rem;
    }
    
    .ai-process-icons::before {
        display: none;
    }
}

@media (max-width: 480px) {
    .ai-process-title {
        font-size: 1.75rem;
    }
    
    .ai-process-header {
        padding: 2rem 0 3rem;
    }
}

/* AI评估结果页面样式 */
.ai-result-header {
    text-align: center;
    margin-bottom: 2rem;
}

.ai-result-header h2 {
    color: var(--ai-text-primary);
    margin-bottom: 0.5rem;
}

.ai-evaluation-method {
    color: var(--ai-text-secondary);
    font-size: 0.9rem;
    margin: 0;
    padding: 0.5rem 1rem;
    background: var(--ai-gradient-primary);
    color: white;
    border-radius: 20px;
    display: inline-block;
}

/* 分数展示优化 */
.ai-score-display {
    text-align: center;
    margin: 2rem 0;
}

.ai-score-circle {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.ai-score-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--ai-primary);
}

.ai-score-total {
    font-size: 1.5rem;
    color: var(--ai-text-secondary);
    margin-left: 0.5rem;
}

.ai-score-description {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    color: var(--ai-text-primary);
    font-weight: 500;
}

/* 分类得分样式 */
.ai-category-scores {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-category-score {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.ai-category-name {
    flex: 0 0 120px;
    font-weight: 600;
    color: var(--ai-text-primary);
}

.ai-category-progress {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    margin: 0 1rem;
    overflow: hidden;
}

.ai-category-progress-fill {
    height: 100%;
    background: var(--ai-gradient-primary);
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

.ai-category-value {
    flex: 0 0 60px;
    text-align: right;
    font-weight: 600;
    color: var(--ai-primary);
}

/* 详细分析样式 */
.ai-detailed-analysis {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-analysis-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid var(--ai-primary);
}

.ai-analysis-item h4 {
    margin: 0 0 0.5rem 0;
    color: var(--ai-primary);
    font-size: 1.125rem;
}

.ai-analysis-item p {
    margin: 0;
    color: var(--ai-text-secondary);
    line-height: 1.6;
}

/* 推荐建议样式优化 */
.ai-recommendations {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-recommendation-item[data-priority="high"] {
    border-left-color: #dc2626 !important;
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%) !important;
}

.ai-recommendation-item[data-priority="medium"] {
    border-left-color: #f59e0b !important;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%) !important;
}

.ai-recommendation-item[data-priority="low"] {
    border-left-color: #10b981 !important;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%) !important;
}

.ai-timeline-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--ai-primary);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 实施路径样式 */
.ai-implementation-roadmap {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-roadmap-phase {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
}

.ai-roadmap-phase:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 60px;
    bottom: -20px;
    width: 2px;
    background: #e2e8f0;
}

.ai-phase-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--ai-gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
    margin-right: 1.5rem;
    z-index: 1;
    position: relative;
}

.ai-phase-content {
    flex: 1;
    padding: 0.5rem 0;
}

.ai-phase-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--ai-text-primary);
    font-size: 1.25rem;
}

.ai-phase-duration {
    color: var(--ai-text-secondary);
    font-size: 0.9rem;
    margin: 0 0 1rem 0;
}

.ai-phase-tasks {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.ai-phase-tasks li {
    margin-bottom: 0.5rem;
    color: var(--ai-text-secondary);
}

.ai-phase-outcome {
    margin: 1rem 0 0 0;
    padding: 1rem;
    background: #f0f9ff;
    border-radius: 8px;
    color: var(--ai-text-primary);
}

/* 风险评估样式 */
.ai-risk-assessment {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-risk-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #64748b;
}

.ai-risk-item[data-impact="high"] {
    border-left-color: #dc2626;
    background: #fef2f2;
}

.ai-risk-item[data-impact="medium"] {
    border-left-color: #f59e0b;
    background: #fffbeb;
}

.ai-risk-item[data-impact="low"] {
    border-left-color: #10b981;
    background: #f0fdf4;
}

.ai-risk-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--ai-text-primary);
    font-size: 1.125rem;
}

.ai-risk-mitigation {
    margin: 0 0 1rem 0;
    color: var(--ai-text-secondary);
    line-height: 1.6;
}

.ai-risk-impact-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.ai-risk-impact-tag.high {
    background: #dc2626;
    color: white;
}

.ai-risk-impact-tag.medium {
    background: #f59e0b;
    color: white;
}

.ai-risk-impact-tag.low {
    background: #10b981;
    color: white;
}

/* 结果操作按钮样式 */
.ai-result-actions {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.ai-result-actions .ai-btn {
    margin: 0 0.5rem;
}

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

.ai-btn-outline:hover {
    background: var(--ai-primary);
    color: white;
}