/* 自定义样式覆盖与动画定义 */

/* 字体加载 (如果 HTML 中 Google Fonts 加载失败，可作为备用) */
@font-face {
    font-family: 'Plus Jakarta Sans';
    src: local('Plus Jakarta Sans'), url('../fonts/PlusJakartaSans-Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    src: local('Plus Jakarta Sans Bold'), url('../fonts/PlusJakartaSans-Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    src: local('Plus Jakarta Sans ExtraBold'), url('../fonts/PlusJakartaSans-ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}

/* 核心工具类 */
.text-gradient {
    background: linear-gradient(to right, #FFD900, #FDB931);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* 动画关键帧 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

/* 应用动画类 */
.animate-float {
    animation: float 5s ease-in-out infinite;
}

.animate-spin-slow {
    animation: spin-slow 30s linear infinite;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* 滚动条美化 (可选) */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F9FAFB;
}
::-webkit-scrollbar-thumb {
    background: #E5E7EB;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #D1D5DB;
}

/* 移动端菜单过渡辅助 */
#mobile-menu {
    transform-origin: top center;
}

area,map,bdo:empty,dfn:empty,font:empty,ins:empty,small:empty,sup:empty,time:empty,tt:empty,var:empty{display:none !important}