/* 胜誓网络 - Bootstrap自定义样式 */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
}

/* 通用样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
}

/* 导航栏 - 优化版 */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 0.8rem 0;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--primary-color) !important;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-brand i {
    font-size: 1.4rem;
}

.nav-link {
    font-weight: 500;
    color: #1e293b !important;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background: rgba(37, 99, 235, 0.08);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Hero区域 - 深色背景版 */
.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    padding: 140px 0 100px;
    background: url('images/hero-bg.jpg') center/cover no-repeat;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 17, 23, 0.92) 0%, rgba(30, 41, 59, 0.88) 50%, rgba(37, 99, 235, 0.75) 100%);
    z-index: 1;
}

/* 内页hero区域高度自适应 */
.breadcrumb-section + .hero-section {
    padding: 100px 0 60px;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.95;
    margin-bottom: 2.5rem;
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.keyword-badge {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 0.9rem;
    margin: 0.3rem;
    display: inline-block;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.keyword-badge:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 0;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .keyword-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2rem;
}

.keyword-badge {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin: 0.25rem;
    display: inline-block;
}

/* 区块标题 */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title p {
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务卡片 */
.service-card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* 服务图标 - 多彩搭配 */
.service-icon {
    width: 85px;
    height: 85px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 2.2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover .service-icon {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* 服务图标颜色搭配 */
.service-icon.blue {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
}

.service-icon.purple {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
}

.service-icon.cyan {
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
}

.service-icon.orange {
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
}

.service-icon.green {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
}

.service-icon.pink {
    background: linear-gradient(135deg, #db2777 0%, #ec4899 100%);
}

/* 统计数据 - 优化版 */
.stats-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
    background-size: 60px;
}

.stats-section .container {
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: 2rem 1rem;
    border-radius: 16px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.1);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
    font-weight: 500;
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .stat-number {
        font-size: 2.8rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
        margin-bottom: 1rem;
    }
}

/* 特性展示 */
.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

/* 案例卡片 */
.case-card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.case-img {
    height: 200px;
    background-size: cover;
    background-position: center;
}

/* 新闻卡片 */
.news-card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.news-img {
    height: 180px;
    background-size: cover;
    background-position: center;
}

/* 面包屑 */
.breadcrumb-section {
    background: #f8f9fa;
    padding: 100px 0 30px;
}

/* 文章页面 */
.article-section {
    padding: 120px 0 60px;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--primary-dark);
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

/* 页脚 - 优化版 */
.footer-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 5rem 0 2rem;
}

.footer-section h5,
.footer-section h6 {
    color: white;
    font-weight: 700;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #60a5fa;
}

.footer-section .text-muted {
    color: rgba(255, 255, 255, 0.5) !important;
}

.footer-section hr {
    border-color: rgba(255, 255, 255, 0.1);
}

/* 图片样式 */
.img-cover {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.rounded-lg {
    border-radius: 12px;
}

/* 按钮样式 */
.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-light:hover {
    color: var(--primary-color);
}

/* 时间线 */
.timeline {
    border-left: 3px solid var(--primary-color);
    padding-left: 2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.4rem;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 1.5rem;
    }
}

/* 表单样式 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}