/* 全局样式 */
:root {
    --primary-color: #667eea;
    --secondary-color: #279DFF;
    --danger-color: #f5576c;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #ffffff;
    min-height: 100vh;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 覆盖Bootstrap的背景色，显示渐变 */
section.bg-light {
    background: transparent !important;
}

/* 导航栏样式 */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.5) !important;
    border-radius: 50px;
    margin: 15px auto;
    max-width: fit-content;
    padding: 5px 20px !important;
    box-shadow: 0 4px 20px 0 rgba(31, 38, 135, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.4);
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.navbar .container {
    max-width: 100%;
    padding: 0;
}

.navbar-collapse {
    flex-grow: 0;
}

.navbar-brand {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.navbar-logo {
    height: 28px;
    width: auto;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.footer-logo {
    height: 24px;
    width: auto;
}

.nav-link {
    font-weight: 400;
    transition: color 0.3s ease;
    padding: 0.4rem 0.7rem !important;
    font-size: 13px;
    color: #333 !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* 立即下载按钮 */
.btn-download {
    background: linear-gradient(135deg, #667eea 0%, #279DFF 100%);
    color: white !important;
    font-weight: 500;
    font-size: 13px;
    padding: 0.4rem 1.2rem !important;
    border: none;
    transition: all 0.3s ease;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #ffffff 0%, #667eea 100%);
}

/* Hero区域样式 */
.hero-section {
    background: linear-gradient(to top, #DBF8FE 0%, #F6F9FD 100%);
    min-height: auto;
    padding-bottom: 100px;
}

.hero-section .container {
    margin-top: 150px;
}

.logo-container {
    animation: fadeInUp 1s ease;
}

/* 标题样式 */
.title-dark {
    color: #040F42;
}

.title-gradient {
    background: linear-gradient(135deg, #30AFFF 0%, #1A85FF 50%, #C377F8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 副标题样式 */
.hero-subtitle {
    color: #040F42;
    font-size: 1.5rem;
    font-weight: 400;
}

/* 平台下载按钮样式 */
.download-platforms {
    margin-top: 40px;
}

.platform-download-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.platform-download-btn i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.platform-download-btn span {
    font-size: 0.75rem;
    font-weight: 500;
}

.platform-download-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    color: #667eea;
}

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

/* 产品预览图 - 移除所有效果 */

/* 图片3D悬停效果 */
.image-3d-hover {
    transition: transform 0.3s ease;
    cursor: pointer;
}

/* 按钮样式增强 */
.btn {
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.btn-danger {
    background: linear-gradient(135deg, #f5576c 0%, #e74c3c 100%);
    border: none;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

/* AI区域样式 */
.ai-section {
    position: relative;
    overflow: hidden;
    background: transparent !important;
}

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

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

/* 卡片样式 */
.card {
    transition: all 0.3s ease;
    border-radius: 15px !important;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.feature-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15) !important;
    border-color: var(--primary-color) !important;
}

.feature-card .icon-wrapper i {
    transition: all 0.3s ease;
}

.feature-card:hover .icon-wrapper i {
    transform: scale(1.2);
}

/* 文档管理区域 */
.document-section {
    background: transparent !important;
}

.document-section .card {
    border-radius: 20px !important;
}

.feature-icon {
    transition: all 0.3s ease;
}

.card:hover .feature-icon {
    transform: rotate(360deg);
}

/* 协作功能区域 */
.collaboration-section {
    background: transparent !important;
}

.collab-image {
    animation: slideInLeft 1s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 企业服务区域 */
.enterprise-section {
    position: relative;
    overflow: hidden;
    background: transparent !important;
}

.enterprise-preview {
    animation: slideInRight 1s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 平台区域背景 */
.platforms-section {
    background: transparent !important;
}

/* 平台卡片 */
.platform-card {
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
    border-color: var(--primary-color);
}

.platform-card i {
    transition: all 0.3s ease;
}

.platform-card:hover i {
    transform: scale(1.2);
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e293b 100%);
}

.footer a {
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--primary-color) !important;
    transform: translateX(5px);
}

.social-links a {
    display: inline-block;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-5px);
}

/* Banner 图片响应式样式 */
.banner-image {
    width: 100%;
    height: auto;
    max-width: 600px; /* PC端更大 */
    display: block;
    margin: 0 auto;
}

/* 响应式优化 */
@media (max-width: 992px) {
    .navbar {
        border-radius: 30px;
        margin: 15px;
        padding: 10px 20px !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .display-6 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 2.5rem;
    }
    
    .banner-image {
        max-width: 400px; /* 移动端保持400px */
    }
}

@media (max-width: 768px) {
    .navbar {
        border-radius: 20px;
        margin: 10px;
        padding: 8px 15px !important;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-6 {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 0.75rem 2rem;
    }
}

/* 加载动画 */
.fade-in {
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 渐变文字效果 */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 阴影效果增强 */
.shadow-lg {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15) !important;
}

.shadow-sm {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08) !important;
}

/* 圆角增强 */
.rounded-4 {
    border-radius: 1.5rem !important;
}

/* 背景渐变 */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.bg-gradient-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* 鼠标悬停效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 加载进入动画 */
/* 移除section全局动画，避免页面跳动 */
/* section {
    animation: fadeInUp 0.8s ease;
} */

/* 打印样式 */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none;
    }
}