/* 宇内教育系统样式文件 */

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2563eb;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
}

.nav-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero区域样式 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    color: white;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: white;
    color: #2563eb;
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid white;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    padding: 1rem 2rem;
    border: 2px solid #2563eb;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

/* Hero视觉元素 */
.hero-visual {
    position: relative;
}

.education-platform {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.platform-screen {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.feature-card .feature-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.feature-card .feature-title {
    color: #333;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 容器和通用样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #1e293b;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 功能特色区域 */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card.featured {
    border-color: #2563eb;
    transform: scale(1.02);
}

.feature-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.feature-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-header h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-badge {
    position: absolute;
    top: -10px;
    right: 0;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: #e2e8f0;
    transform: translateX(5px);
}

.highlight-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.highlight-content h4 {
    color: #1e293b;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.highlight-content p {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0;
}

/* 优势区域 */
.advantages {
    padding: 80px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
    border-image: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-image-slice: 1;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantage-item h3 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.advantage-item p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 应用场景区域 */
.scenarios {
    padding: 80px 0;
    background: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.scenario-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.scenario-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.scenario-card h3 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.scenario-card p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tag {
    background: #e0e7ff;
    color: #2563eb;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 价格方案区域 */
.pricing {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    position: relative;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.featured {
    border-color: #2563eb;
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.price {
    margin-bottom: 1rem;
}

.currency {
    color: #64748b;
    font-size: 1.2rem;
    vertical-align: top;
}

.amount {
    color: #2563eb;
    font-size: 3rem;
    font-weight: 700;
}

.period {
    color: #64748b;
    font-size: 1rem;
}

.pricing-desc {
    color: #64748b;
    font-size: 0.95rem;
}

.pricing-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.check-icon {
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
}

.pricing-card button {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pricing-card.featured button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.pricing-card.featured button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 成功案例区域 */
.cases {
    padding: 80px 0;
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    border-image: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-image-slice: 1;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.case-avatar {
    text-align: center;
    margin-bottom: 1.5rem;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
}

.case-content h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

.case-quote {
    color: #64748b;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: center;
}

.case-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat {
    background: #f8fafc;
    color: #2563eb;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 联系区域 */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-text p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-feature .feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.contact-feature p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}

.contact-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-buttons .btn-primary {
    background: white;
    color: #2563eb;
}

.action-buttons .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.action-buttons .btn-secondary:hover {
    background: white;
    color: #2563eb;
}

/* 表单样式 */
.contact-form {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.demo-form h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
}

.form-group select option {
    background: #2563eb;
    color: white;
}

.full-width {
    width: 100%;
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 1rem;
}

/* 页脚样式 */
.footer {
    background: #1e293b;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid,
    .advantages-grid,
    .scenarios-grid,
    .pricing-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .platform-screen {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-features {
        gap: 1rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .features-grid,
    .advantages-grid,
    .scenarios-grid,
    .pricing-grid,
    .cases-grid {
        gap: 1.5rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* 滚动动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}


 .assessment-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .assessment-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem 2rem;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .assessment-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .assessment-card {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .assessment-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .assessment-card.featured {
            border: 2px solid #2563eb;
        }
        
        .assessment-card.featured::before {
            content: '热门';
            position: absolute;
            top: 10px;
            right: -30px;
            background: #ef4444;
            color: white;
            padding: 0.3rem 3rem;
            font-size: 0.8rem;
            transform: rotate(45deg);
        }
        
        .assessment-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-align: center;
        }
        
        .assessment-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 1rem;
            text-align: center;
        }
        
        .assessment-desc {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        
        .assessment-stats {
            display: flex;
            justify-content: space-around;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }
        
        .stat {
            text-align: center;
        }
        
        .stat-number {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2563eb;
        }
        
        .stat-label {
            font-size: 0.85rem;
            color: #64748b;
        }
        
        .assessment-form {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            margin-bottom: 2rem;
            display: none;
        }
        
        .assessment-form.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }
        
        .progress-bar {
            width: 100%;
            height: 8px;
            background: #e2e8f0;
            border-radius: 4px;
            margin-bottom: 2rem;
            overflow: hidden;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            border-radius: 4px;
            transition: width 0.3s ease;
            width: 0%;
        }
        
        .question-container {
            margin-bottom: 2rem;
        }
        
        .question-number {
            color: #64748b;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        
        .question-text {
            font-size: 1.1rem;
            font-weight: 500;
            color: #1e293b;
            margin-bottom: 1.5rem;
        }
        
        .options-grid {
            display: grid;
            gap: 1rem;
        }
        
        .option-label {
            display: flex;
            align-items: center;
            padding: 1rem;
            background: #f8fafc;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .option-label:hover {
            background: #e2e8f0;
            border-color: #2563eb;
        }
        
        .option-label input[type="radio"] {
            margin-right: 1rem;
            width: 18px;
            height: 18px;
        }
        
        .option-label input[type="radio"]:checked + .option-text {
            color: #2563eb;
            font-weight: 500;
        }
        
        .option-label.selected {
            background: #e0e7ff;
            border-color: #2563eb;
        }
        
        .form-navigation {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #e2e8f0;
        }
        
        .btn-prev, .btn-next, .btn-submit {
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .btn-prev {
            background: #f8fafc;
            color: #64748b;
        }
        
        .btn-prev:hover {
            background: #e2e8f0;
        }
        
        .btn-next, .btn-submit {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .btn-next:hover, .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        
        .result-container {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            display: none;
            text-align: center;
        }
        
        .result-container.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }
        
        .result-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
        }
        
        .result-title {
            font-size: 1.8rem;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 1rem;
        }
        
        .result-type {
            display: inline-block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        
        .result-description {
            color: #64748b;
            line-height: 1.8;
            margin-bottom: 2rem;
            text-align: left;
        }
        
        .result-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .feature-highlights {
            margin-top: 2rem;
            text-align: left;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1rem;
            padding: 1rem;
            background: #f8fafc;
            border-radius: 10px;
        }
        
        .feature-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        .feature-content h4 {
            color: #1e293b;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        
        .feature-content p {
            color: #64748b;
            font-size: 0.9rem;
            margin: 0;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 768px) {
            .assessment-container {
                padding: 1rem;
            }
            
            .assessment-header {
                padding: 2rem 1rem;
            }
            
            .assessment-types {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .form-navigation {
                flex-direction: column;
                gap: 1rem;
            }
            
            .btn-prev, .btn-next, .btn-submit {
                width: 100%;
            }
        }


         /* 知识店铺专属样式 */
        .hero-store {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-store::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="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        .hero-content-store {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(10px);
        }
        
        .hero-content-store h1 {
            font-size: 3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        
        .hero-content-store .subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .hero-cycle {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }
        
        .cycle-item {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 15px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        
        .cycle-item:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        
        .cycle-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        
        .cycle-text {
            font-weight: 600;
            font-size: 1rem;
        }
        
        /* 模块区域样式 */
        .modules-section {
            padding: 80px 0;
            background: #f8fafc;
        }
        
        .module-intro {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .module-intro h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .module-intro p {
            font-size: 1.2rem;
            color: #64748b;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .module-card {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border-top: 4px solid transparent;
            border-image: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            border-image-slice: 1;
        }
        
        .module-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        }
        
        .module-number {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        
        .module-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .module-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 1rem;
        }
        
        .module-desc {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        
        .module-features {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem;
            background: #f8fafc;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        
        .feature-item:hover {
            background: #e2e8f0;
            transform: translateX(5px);
        }
        
        .feature-icon {
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        
        .feature-content h4 {
            color: #1e293b;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        
        .feature-content p {
            color: #64748b;
            font-size: 0.9rem;
            margin: 0;
        }
        
        /* 平台优势区域 */
        .advantages-store {
            padding: 80px 0;
            background: white;
        }
        
        .advantages-grid-store {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .advantage-store {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        
        .advantage-store:hover {
            border-color: #2563eb;
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
        }
        
        .advantage-icon-store {
            font-size: 3rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .advantage-store h3 {
            color: #1e293b;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .advantage-store p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        /* 客户案例区域 */
        .cases-store {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
        }
        
        .cases-grid-store {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .case-store {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .case-store:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .case-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .case-avatar {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
            flex-shrink: 0;
        }
        
        .case-info h4 {
            color: #1e293b;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        
        .case-info p {
            color: #64748b;
            font-size: 0.9rem;
            margin: 0;
        }
        
        .case-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e2e8f0;
        }
        
        .case-metric {
            text-align: center;
        }
        
        .metric-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: #2563eb;
            margin-bottom: 0.3rem;
        }
        
        .metric-label {
            font-size: 0.8rem;
            color: #64748b;
        }
        
        /* 行动号召区域 */
        .cta-store {
            padding: 80px 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
        }
        
        .cta-content-store {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        .cta-content-store h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .cta-content-store p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        
        .cta-buttons-store {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-store-primary {
            background: white;
            color: #2563eb;
            padding: 1rem 2rem;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }
        
        .btn-store-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        
        .btn-store-secondary {
            background: transparent;
            color: white;
            padding: 1rem 2rem;
            border: 2px solid white;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }
        
        .btn-store-secondary:hover {
            background: white;
            color: #2563eb;
            transform: translateY(-2px);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .hero-content-store h1 {
                font-size: 2rem;
            }
            
            .hero-cycle {
                flex-direction: column;
                align-items: center;
            }
            
            .cycle-item {
                width: 200px;
            }
            
            .modules-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .module-card {
                padding: 1.5rem;
            }
            
            .advantages-grid-store,
            .cases-grid-store {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .case-metrics {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            
            .cta-buttons-store {
                flex-direction: column;
                align-items: center;
            }
            
            .btn-store-primary,
            .btn-store-secondary {
                width: 200px;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .scroll-reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }
        
        .scroll-reveal.active {
            opacity: 1;
            transform: translateY(0);
        }