/* 隐藏滚动条 */
.no-scrollbar::-webkit-scrollbar { 
    display: none; 
}
.no-scrollbar { 
    -ms-overflow-style: none; 
    scrollbar-width: none; 
}

/* 聊天背景纹理 */
.chat-bg { 
    background-image: url('https://www.transparenttextures.com/patterns/cubes.png'); 
}

/* 旋转动画 */
@keyframes spin-slow { 
    100% { transform: rotate(360deg); } 
}
.animate-spin-slow { 
    animation: spin-slow 3s linear infinite; 
}

/* 弹窗动画 */
@keyframes popup { 
    0% { transform: scale(0.9); opacity: 0; } 
    100% { transform: scale(1); opacity: 1; } 
}
.animate-popup { 
    animation: popup 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; 
}

/* 黄金渐变文字 */
.text-gradient-gold { 
    background: linear-gradient(to bottom, #fde047, #d97706); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}