.addBtn {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 15px 0;
}

.addBtn button {
    transition: all .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    margin: 8px auto;
    color: #000;
    padding: 16px 28px;
    border-radius: 50px;
    background: #fff;
    align-items: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    font-weight: 500;
    letter-spacing: 0.8px;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: "Microsoft Yahei";
    text-transform: none;
    font-size: 1rem;
}

.addBtn button span {
    background: linear-gradient(45deg, #3a3a3a, #696969);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0px 0px 1px rgba(0, 0, 0, 0.1);
    position: relative;
    padding: 0 2px;
}

.addBtn button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #6a11cb, #2575fc, #ff6b6b);
    background-size: 400% 400%;
    border-radius: 52px;
    z-index: -2;
    animation: borderGradient 3s linear infinite;
}

.addBtn button::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    right: 1px;
    bottom: 1px;
    background: #fff;
    border-radius: 48px;
    z-index: -1;
}

@keyframes borderGradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

button {
    padding: 0;
    outline: 0;
    border: none;
    background: 0 0;
    cursor: pointer;
    touch-action: manipulation
}

.fa-solid,.fas {
    font-family: "Font Awesome 6 Free";
    font-weight: 900
}

.addBtn i {
    font-size: 1.4rem;
    margin-right: 12px;
    transition: all .3s ease;
    background: linear-gradient(45deg, #777, #333);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0px 1px 1px rgba(0,0,0,0.1));
}

.addBtn button:hover {
    background: linear-gradient(to right, #6a11cb, #2575fc, #6a11cb);
    background-size: 200% 100%;
    color: #fff;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 10px 25px rgba(106, 17, 203, 0.3);
    animation: gradientMove 2s ease infinite;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.addBtn button:hover::before {
    opacity: 1;
}

.addBtn button:hover::after {
    opacity: 0;
}

.addBtn button:hover i {
    transform: rotate(10deg) translateX(2px);
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.addBtn button:hover span {
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 1.2px;
}

.addBtn button:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 5px 15px rgba(106, 17, 203, 0.2);
}