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

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

.title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d9ff, #00ff88, #00d9ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.date {
    font-size: 1.5rem;
    color: #7ec8e3;
    margin-bottom: 40px;
    letter-spacing: 3px;
}

.hero {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

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

.hero-text {
    font-size: 1.3rem;
    line-height: 2;
    color: #a0d8ef;
}

.timeline {
    text-align: left;
    margin: 40px 0;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: #00d9ff;
    border-radius: 50%;
    margin-right: 20px;
    margin-top: 5px;
    flex-shrink: 0;
    box-shadow: 0 0 15px #00d9ff;
}

.timeline-content h3 {
    color: #00ff88;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.timeline-content p {
    color: #8ecae6;
    font-size: 0.95rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d9ff;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: #7ec8e3;
    margin-top: 10px;
}

.footer {
    margin-top: 60px;
    padding: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: #5c7a99;
    font-size: 0.9rem;
}

.heart {
    color: #ff6b6b;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.memory-wall {
    margin-top: 40px;
}

.memory-item {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 25px;
    font-size: 0.9rem;
    color: #00ff88;
}

/* 粒子动画 */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 217, 255, 0.6);
    border-radius: 50%;
    animation: particle-float 15s infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.content-wrapper {
    position: relative;
    z-index: 1;
}