/* ========================================
   云算智仓 - 全局样式表
   版本: 3.0 (Indigo/Violet 专业版)
   
   注意：此文件为兼容性文件，保持对现有HTML页面的支持。
   新项目建议使用 src/styles/main.css（包含TailwindCSS）。
   
   主要样式定义已统一到 src/styles/main.css 中。
   ======================================== */

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

/* 自定义滚动条 - Indigo 主题 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #6366f1, #8b5cf6);
    border-radius: 5px;
    border: 2px solid #f1f5f9;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #4f46e5, #7c3aed);
}

/* 表单焦点样式统一 */
input:focus,
textarea:focus,
select:focus,
button:focus {
    outline: none;
    ring: 2px;
    ring-color: rgba(99, 102, 241, 0.5);
}

/* 移动菜单动画 */
.mobile-menu-enter {
    animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 活跃导航链接样式 */
.nav-link.active {
    color: #4f46e5;
    font-weight: 600;
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    border-radius: 1px;
}

/* 下拉菜单增强样式 */
.dropdown-menu {
    transform-origin: top center;
}

.nav-dropdown:hover .dropdown-menu {
    animation: dropdownFadeIn 0.2s ease-out forwards;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px) translateX(-50%);
    }
    to {
        opacity: 1;
        transform: translateY(0) translateX(-50%);
    }
}

/* 卡片悬停效果增强 */
.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.15), 0 10px 10px -5px rgba(99, 102, 241, 0.04);
}

/* 渐变文字通用类 */
.text-gradient {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-purple {
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 按钮悬停增强 */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* 响应式断点辅助类 */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .show-mobile-only {
        display: none !important;
    }
}