/* 基础样式 */
body {
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
}

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

/* 渐变背景 */
.bg-gradient-to-b {
    background-image: linear-gradient(to bottom, var(--tw-gradient-stops));
}

/* 卡片样式 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(22, 93, 255, 0.1), 0 10px 10px -5px rgba(22, 93, 255, 0.04);
}

/* 浮动动画 */
.float-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* 脉冲动画 */
.pulse-animation {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 缩放进入动画 */
.scale-in {
    animation: scaleIn 0.5s ease-out forwards;
}

@keyframes scaleIn {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

/* 上滑动画 */
.slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* 数字滚动动画 */
.counter-display span {
    transition: all 0.5s ease;
}