/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'SF Pro Display', 'Segoe UI', sans-serif;
}

:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --light: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark: #1e293b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}

body {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 科技感背景 */
.tech-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.05;
    background: 
        radial-gradient(circle at 20% 80%, var(--primary) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--secondary) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, var(--accent) 0%, transparent 50%);
}

/* 导航栏 */
.navbar {
    padding: 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.3rem;
    box-shadow: var(--shadow);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover:after {
    width: 100%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--light);
    min-width: 200px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    padding: 12px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid var(--border);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 24px;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    border: none;
}

.dropdown-menu a:hover {
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

.dropdown-menu a:after {
    display: none;
}

.nav-links .dropdown > a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links .dropdown > a .fa-chevron-down {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover > a .fa-chevron-down {
    transform: rotate(180deg);
}

/* 顶部按钮区域 */
.top-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 40px 0;
}

.btn {
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.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;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
    box-shadow: var(--shadow);
}

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

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

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

/* 核心问题区域 */
.core-problems {
    padding: 100px 0;
    position: relative;
}

.problems-header {
    text-align: center;
    margin-bottom: 80px;
}
    
.problems-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.problems-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
    line-height: 1.1;
}

.problems-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 32px;
}

.problem-card {
    background: var(--light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.problem-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

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

.problem-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

.problem-question {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
    line-height: 1.3;
    margin: 0;
}

.problem-title-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.problem-answer {
    color: var(--gray);
    line-height: 1.6;
    font-size: 1rem;
}

/* 英雄区域 */
.hero {
    padding: 120px 0;
    position: relative;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 32px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 数据治理框架样式 */
.governance-framework {
    margin: 80px 0 60px;
}

.framework-container {
    max-width: 900px;
    margin: 0 auto;
}

.framework-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    position: relative;
}

.framework-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.framework-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.95);
}

.framework-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--light);
    font-size: 1.8rem;
    box-shadow: var(--shadow);
}

.framework-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.framework-desc {
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 中心连接器 */
.framework-center-connector {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.center-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: rotate 3s linear infinite;
}

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

/* 咨询卡片 - 修改为全屏居中 */
.consultation {
    padding: 100px 0;
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.consultation-card {
    background: var(--light);
    border-radius: 24px;
    padding: 60px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    max-width: 1000px;
    width: 100%;
}

.consultation-header {
    text-align: center;
    margin-bottom: 40px;
}

.consultation-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
    line-height: 1.2;
}

.consultation-header p {
    color: var(--gray);
    margin-bottom: 28px;
    line-height: 1.6;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.consultation-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.benefits-list {
    list-style: none;
    margin-bottom: 36px;
}

.benefits-list li {
    padding: 12px 0;
    color: var(--gray);
    position: relative;
    padding-left: 32px;
    font-size: 1rem;
}

.benefits-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
    font-size: 1.2rem;
}

.qr-section {
    text-align: center;
    padding: 40px;
    background: var(--light-gray);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.qr-code {
    width: 200px;
    height: 200px;
    background: var(--light);
    border-radius: 12px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 0.9rem;
    border: 2px solid var(--border);
    box-shadow: var(--shadow);
}

.qr-text {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.qr-note {
    font-size: 0.9rem;
    color: var(--gray);
}

.wechat-info {
    text-align: left;
    max-width: 400px;
}

.wechat-id {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: #1e293b;
    font-weight: 700;
}

/* 服务展示 */
.services {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    color: var(--light);
    font-size: 2rem;
    box-shadow: var(--shadow);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-desc {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 24px;
    font-size: 1rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    color: var(--gray);
    position: relative;
    padding-left: 24px;
    text-align: left;
    font-size: 0.95rem;
}

.service-features li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* CTA区域 */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.3rem;
    margin-bottom: 48px;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-light {
    background: var(--light);
    color: var(--primary);
    font-weight: 600;
}

.btn-light:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

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

.btn-transparent:hover {
    background: var(--light);
    color: var(--primary);
    transform: translateY(-2px);
}

/* 页脚 */
footer {
    background: var(--light-gray);
    color: var(--dark);
    padding: 80px 0 40px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--dark);
    font-weight: 700;
}

.footer-brand p {
    color: var(--gray);
    line-height: 1.6;
    max-width: 400px;
    font-size: 0.95rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--dark);
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--gray);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .consultation-card {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .problems-title, .hero-title, .section-title, .cta-title {
        font-size: 2.2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions, .cta-buttons, .top-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .framework-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .framework-item {
        min-height: auto;
    }
    
    .framework-center-connector {
        display: none;
    }            
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-card, .service-card {
        padding: 32px;
    }

    .consultation-card {
        padding: 40px 24px;
        text-align: center;
    }
    
    .consultation-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .consultation-header h2 {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .consultation-header p {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .benefits-list {
        text-align: left;
        display: inline-block;
        margin-left: 0;
    }
    
    .benefits-list li {
        text-align: left;
    }
    
    .qr-section {
        text-align: center;
        margin: 0 auto;
    }

    .wechat-info {
        text-align: center;
    }

    .wechat-id {
        font-size: 1.2rem;
        margin-bottom: 25px;
        color: #1e293b;
        font-weight: 700;
        text-align: center;
    } 
}

/* 新手指南页面特定样式 */
.learning-path {
    padding: 100px 0;
}

.learning-path-header {
    text-align: center;
    margin-bottom: 80px;
}

.learning-path-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.learning-path-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.learning-path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.learning-path-card {
    background: var(--light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.learning-path-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

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

.learning-path-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    color: var(--light);
    font-size: 2rem;
    box-shadow: var(--shadow);
}

.learning-path-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.learning-path-card-desc {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 24px;
    font-size: 1rem;
}

.learning-path-features {
    list-style: none;
    text-align: left;
}

.learning-path-features li {
    padding: 8px 0;
    color: var(--gray);
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
}

.learning-path-features li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.faq-section {
    margin-top: 100px;
}

.faq-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    color: var(--dark);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--light);
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.faq-question {
    padding: 24px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(37, 99, 235, 0.05);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--gray);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px;
    max-height: 500px;
}