/* 添加字体引入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@500;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #FFD700 0%, #FFF8E1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    text-align: center;
    padding: 20px;
    width: 100%;
    max-width: 400px;
}

.jump-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
}

.card-title {
    color: #222;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 35px 0;
    position: relative;
    display: inline-block;
    text-shadow: 1px 1px 0 rgba(255, 215, 0, 0.2);
}

/* 添加文字下划线动画效果 */
.card-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #222;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s ease;
    animation: underlineAppear 0.8s ease forwards 0.5s;
}

/* 添加文字闪光效果 */
.card-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 100%
    );
    transform: skewX(-25deg);
    animation: shine 3s infinite;
}

.icon-wrapper {
    text-align: center;
}

.circle-icon {
    width: 80px;
    height: 80px;
    background: #222;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    cursor: pointer;
    transition: all 0.3s ease;
}

.circle-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(34, 34, 34, 0.3);
    background: #000;
}

.circle-icon:active {
    transform: translateY(0);
}

.arrow {
    color: #FFD700;
    font-size: 36px;
    animation: slideRight 1.5s infinite;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 34, 34, 0.4);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(34, 34, 34, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 34, 34, 0);
    }
}

@keyframes slideRight {
    0%, 100% {
        transform: translateX(-5px);
    }
    50% {
        transform: translateX(5px);
    }
}

/* 添加新的动画关键帧 */
@keyframes underlineAppear {
    to {
        transform: scaleX(1);
    }
}

@keyframes shine {
    0% {
        left: -75%;
    }
    20% {
        left: 125%;
    }
    100% {
        left: 125%;
    }
}

/* 调整移动端样式 */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .jump-card {
        padding: 20px;
    }
    
    .card-title {
        font-size: 22px;
    }
    
    .card-title::after {
        height: 2px;
        bottom: -6px;
    }
    
    .circle-icon {
        width: 70px;
        height: 70px;
    }
    
    .arrow {
        font-size: 30px;
    }
}