/* AWJQ客户案例页面样式 - jtgdjt.com */
:root {
    --corporate-blue: #1e40af;
    --corporate-purple: #7c3aed;
    --tech-cyan: #0891b2;
    --accent-orange: #ea580c;
    --success-green: #059669;
    --text-primary: #1f2937;
    --text-secondary: #f9fafb;
    --text-muted: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--corporate-blue), var(--corporate-purple));
    --gradient-success: linear-gradient(135deg, var(--success-green), var(--tech-cyan));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    min-height: 100vh;
}

.cases-container {
    max-width: 1600px;
    margin: 0 auto;
    background: var(--bg-white);
    min-height: 100vh;
    box-shadow: 0 0 60px rgba(0,0,0,0.3);
}

.cases-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1600px;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid #e2e8f0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-section h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.logo-link {
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.8rem 0;
}

.nav-item:hover {
    color: var(--corporate-blue);
    transform: translateY(-2px);
}

.nav-item.active {
    color: var(--corporate-blue);
    font-weight: 600;
}

.main-content {
    margin-top: 90px;
}

.cases-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.content-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 3rem;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.case-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 2rem;
    border-radius: 20px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
}

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

.featured-case {
    background: var(--bg-white);
    padding: 5rem 0;
}

.case-spotlight {
    background: var(--bg-light);
    border-radius: 30px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.case-images {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.main-case-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.case-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gallery-image {
    width: 100%;
    height: 125px;
    object-fit: cover;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-image:hover {
    transform: scale(1.05);
}

.case-labels {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.industry-label, .scale-label, .status-label {
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.industry-label { background: #e0f2fe; color: #0891b2; }
.scale-label { background: #fef3c7; color: #d97706; }
.status-label { background: #dcfce7; color: #16a34a; }

.case-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.case-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 20px;
}

.overview-item {
    text-align: center;
}

.overview-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.overview-value {
    color: var(--corporate-blue);
    font-weight: 700;
    font-size: 1.1rem;
}

.case-challenge, .case-solution {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.result-item {
    text-align: center;
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: scale(1.05);
}

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

.result-text {
    font-weight: 600;
    color: var(--corporate-blue);
    font-size: 0.9rem;
}

.more-cases {
    background: var(--bg-light);
    padding: 5rem 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.case-card {
    background: var(--bg-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-content {
    padding: 2.5rem;
}

.case-industry {
    background: var(--gradient-tech);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.case-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.case-brief {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.case-achievements {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.achievement {
    background: var(--bg-light);
    color: var(--corporate-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-weight: 600;
}

.main-footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-secondary);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

.footer-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-orange);
}

.footer-description {
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #cbd5e1;
}

.footer-copyright {
    color: #94a3b8;
    font-size: 0.85rem;
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: 0.8rem;
}

.footer-menu a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: var(--accent-orange);
}

.contact-info p {
    margin-bottom: 0.8rem;
    color: #cbd5e1;
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .case-images {
        grid-template-columns: 1fr;
    }
    
    .case-results {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}