/* =====================================================
   南京众翔影业传媒有限公司 - 自定义样式
   ===================================================== */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.navbar a:hover {
    transform: translateY(-2px);
}

/* Banner 样式 */
.banner {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
}

/* 卡片悬浮效果 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 分类入口样式 */
.category-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.category-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 10px 40px -10px rgba(59, 130, 246, 0.5);
}

/* 表单样式 */
.form-input {
    transition: all 0.3s ease;
    border: 2px solid #e2e8f0;
}

.form-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #047857 0%, #059669 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    margin-top: auto;
}

/* 文字截断 */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 价格标签 */
.price-tag {
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
}

/* 图片上传区域 */
.upload-area {
    border: 3px dashed #cbd5e1;
    background: #f8fafc;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #3b82f6;
    background: #eff6ff;
}

/* 付费提示 */
.pay-notice {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
}

/* 详情页图片 */
.detail-image {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .navbar a {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .banner h1 {
        font-size: 1.75rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
}

/* 加载动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 标签样式 */
.category-tag {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* 联系信息样式 */
.contact-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}