/* 自定义动画 */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #c5d3e0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a3b8d1;
}

/* 动画类 */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

/* Canvas 背景样式 */
#hero-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 响应式图片容器 */
.img-responsive {
    max-width: 100%;
    height: auto;
}

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

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

/* 按钮悬停效果 */
.btn-hover {
    transition: all 0.3s ease;
}

.btn-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 导航栏固定效果 */
.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .mobile-padding-fix {
        padding-top: 4rem;
    }
    
    .mobile-text-center {
        text-align: center;
    }
    
    .mobile-flex-column {
        flex-direction: column;
    }
    
    .mobile-mt-4 {
        margin-top: 1rem;
    }
}

/* 深色主题适配 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a202c;
        color: #e2e8f0;
    }
    
    .dark-bg {
        background-color: #2d3748;
    }
    
    .dark-text {
        color: #e2e8f0;
    }
}

/* 加载动画 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 焦点状态 */
.focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* 工具提示 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 表单元素样式 */
.form-input {
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

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

/* 按钮样式 */
.btn-primary {
    background-color: #3b82f6;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background-color: #3b82f6;
    color: white;
}

/* 分割线样式 */
.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, #e5e7eb, transparent);
    margin: 2rem 0;
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: #eff6ff;
    color: #2563eb;
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: #dc2626;
    color: white;
}

/* 进度条样式 */
.progress-bar {
    height: 0.5rem;
    background-color: #e5e7eb;
    border-radius: 0.25rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: #3b82f6;
    transition: width 0.3s ease;
}

/* 骨架屏样式 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 溢出处理 */
.text-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 多行文本溢出 */
.text-ellipsis-multi {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 响应式表格 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 打印样式 */
@media print {
    .no-print {
        display: none !important;
    }
    
    .print-break-inside {
        break-inside: avoid;
    }
    
    .print-break-after {
        break-after: always;
    }
}