/* 全局样式 */
:root {
    --primary-color: #6EC6FF;
    --primary-hover-color: #4CB6E8;
    --text-color: #111827;
    --text-light-color: #6B7280;
    --background-color: #E0F7FA;
    --border-color: #B2EBF2;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 文本选中样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

/* 图片悬停效果 */
.hover-zoom {
    transition: transform 0.3s ease;
}

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

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

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

/* 按钮动画效果 */
.btn-animate {
    position: relative;
    overflow: hidden;
}

.btn-animate::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-animate:active::after {
    width: 200px;
    height: 200px;
}

/* 导航栏下拉动画 */
.mobile-menu {
    transition: all 0.3s ease;
    transform-origin: top;
}

.mobile-menu.hidden {
    transform: scaleY(0);
    opacity: 0;
}

/* 特性图标动画 */
.feature-icon {
    transition: all 0.3s ease;
}

.feature-icon:hover {
    transform: rotate(10deg);
    color: var(--primary-color);
}

/* 社交媒体图标动画 */
.social-icon {
    transition: all 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* 表单输入框焦点效果 */
.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 加载动画 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.loading {
    animation: spin 1s linear infinite;
}

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

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* 响应式布局辅助类 */
@media (max-width: 640px) {
    .mobile-only {
        display: block;
    }
    .desktop-only {
        display: none;
    }
}

@media (min-width: 641px) {
    .mobile-only {
        display: none;
    }
    .desktop-only {
        display: block;
    }
}

/* 打印样式优化 */
@media print {
    .no-print {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }
    
    a {
        text-decoration: none;
        color: #000;
    }
    
    .page-break {
        page-break-before: always;
    }
}

.bg-primary {
  background: var(--primary-color) !important;
}
.bg-primary-dark {
  background: var(--primary-hover-color) !important;
}
.text-primary {
  color: var(--primary-color) !important;
}

.overflow-hidden img {
    object-fit: cover;
    object-position: top;
}