/* 高级动画效果 */

/* 滚动触发动画 */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 弹跳动画 */
.bounce {
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-30px);}
    60% {transform: translateY(-15px);}
}

/* 闪烁动画 */
.blink {
    animation: blink 1.5s ease infinite;
}

@keyframes blink {
    0% {opacity: 1;}
    50% {opacity: 0.2;}
    100% {opacity: 1;}
}

/* 波浪效果 */
.wave {
    position: relative;
    overflow: hidden;
}

.wave::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-50%) translateY(50%) rotate(45deg);
    animation: wave 2s linear infinite;
}

@keyframes wave {
    0% {transform: translateX(-50%) translateY(50%) rotate(45deg);}
    100% {transform: translateX(0%) translateY(50%) rotate(45deg);}
}

/* 渐变背景动画 */
.gradient-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

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

/* 打字机光标效果 */
.typing-cursor {
    border-right: 2px solid #333;
    animation: cursor-blink 0.7s step-end infinite;
}

@keyframes cursor-blink {
    from, to { border-color: transparent; }
    50% { border-color: #333; }
}

/* 3D翻转效果 */
.flip-card {
    perspective: 1000px;
    width: 100%;
    height: 100%;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* 浮动动画 */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {transform: translateY(0px);}
    50% {transform: translateY(-20px);}
    100% {transform: translateY(0px);}
}

/* 进度条动画 */
.progress-bar {
    height: 4px;
    width: 0;
    background: linear-gradient(90deg, #6e8efb, #a777e3);
    position: relative;
    animation: progress 3s ease-out forwards;
}

@keyframes progress {
    to {width: 100%;}
}

/* 霓虹灯效果 */
.neon {
    text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #0073e6, 0 0 20px #0073e6, 0 0 25px #0073e6;
    animation: neon 1.5s ease-in-out infinite alternate;
}

@keyframes neon {
    from {text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #0073e6, 0 0 20px #0073e6, 0 0 25px #0073e6;}
    to {text-shadow: 0 0 2px #fff, 0 0 5px #fff, 0 0 7px #0073e6, 0 0 10px #0073e6, 0 0 12px #0073e6;}
}

/* 心跳效果 */
.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0% {transform: scale(1);}
    14% {transform: scale(1.1);}
    28% {transform: scale(1);}
    42% {transform: scale(1.1);}
    70% {transform: scale(1);}
}

/* 摇晃效果 */
.wobble {
    animation: wobble 2s ease infinite;
}

@keyframes wobble {
    0%, 100% {transform: translateX(0%); transform: rotate(0deg);}
    15% {transform: translateX(-25%) rotate(-5deg);}
    30% {transform: translateX(20%) rotate(3deg);}
    45% {transform: translateX(-15%) rotate(-3deg);}
    60% {transform: translateX(10%) rotate(2deg);}
    75% {transform: translateX(-5%) rotate(-1deg);}
}

/* 闪光效果 */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(30deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {transform: translateX(-100%) rotate(30deg);}
    100% {transform: translateX(100%) rotate(30deg);}
}