:root {
    --background-color: #000000;
    --text-color: #FFFFFF;
    --text-secondary: #999999;
    --accent-pink: #FF3366;
    --accent-coral: #FF6B6B;
    --accent-orange: #FFA07A;
    --card-bg: #111111;
    --border-color: #222222;
}

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

body {
    font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

button, .btn, .contact-card, .project-card, .social-link {
    cursor: pointer;
}

/* 噪点效果 */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAMAAAAp4XiDAAAAUVBMVEWFhYWDg4N3d3dtbW17e3t1dXWBgYGHh4d5eXlzc3OLi4ubm5uVlZWPj4+NjY19fX2JiYl/f39ra2uRkZGZmZlpaWmXl5dvb29xcXGTk5NnZ2c8TV1mAAAAG3RSTlNAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEAvEOwtAAAFVklEQVR4XpWWB67c2BUFb3g557T/hRo9/WUMZHlgr4Bg8Z4qQgQJlHI4A8SzFVrapvmTF9O7dmYRFZ60YiBhJRCgh1FYhiLAmdvX0CzTOpNE77ME0Zty/nWWzchDtiqrmQDeuv3powQ5ta2eN0FY0InkqDD73lT9c9lEzwUNqgFHs9VQce3TVClFCQrSTfOiYkVJQBmpbq2L6iZavPnAPcoU0dSw0SUTqz/GtrGuXfbyyBniKykOWQWGqwwMA7QiYAxi+IlPdqo+hYHnUt5ZPfnsHJyNiDtnpJyayNBkF6cWoYGAMY92U2hXHF/C1M8uP/ZtYdiuj26UdAdQQSXQErwSOMzt/XWRWAz5GuSBIkwG1H3FabJ2OsUOUhGC6tK4EMtJO0ttC6IBD3kM0ve0tJwMdSfjZo+EEISaeTr9P3wYrGjXqyC1krcKdhMpxEnt5JetoulscpyzhXN5FRpuPHvbeQaKxFAEB6EN+cYN6xD7RYGpXpNndMmZgM5Dcs3YSNFDHUo2LGfZuukSWyUYirJAdYbF3MfqEKmjM+I2EfhA94iG3L7uKrR+GdWD73ydlIB+6hgref1QTlmgmbM3/LeX5GI1Ux1RWpgxpLuZ2+I+IjzZ8wqE4nilvQdkUdfhzI5QDWy+kw5Wgg2pGpeEVeCCA7b85BO3F9DzxB3cdqvBzWcmzbyMiqhzuYqtHRVG2y4x+KOlnyqla8AoWWpuBoYRxzXrfKuILl6SfiWCbjxoZJUaCBj1CjH7GIaDbc9kqBY3W/Rgjda1iqQcOJu2WW+76pZC9QG7M00dffe9hNnseupFL53r8F7YHSwJWUKP2q+k7RdsxyOB11n0xtOvnW4irMMFNV4H0uqwS5ExsmP9AxbDTc9JwgneAT5vTiUSm1E7BSflSt3bfa1tv8Di3R8n3Af7MNWzs49hmauE2wP+ttrq+AsWpFG2awvsuOqbipWHgtuvuaAE+A1Z/7gC9hesnr+7wqCwG8c5yAg3AL1fm8T9AZtp/bbJGwl1pNrE7RuOX7PeMRUERVaPpEs+yqeoSmuOlokqw49pgomjLeh7icHNlG19yjs6XXOMedYm5xH2YxpV2tc0Ro2jJfxC50ApuxGob7lMsxfTbeUv07TyYxpeLucEH1gNd4IKH2LAg5TdVhlCafZvpskfncCfx8pOhJzd76bJWeYFnFciwcYfubRc12Ip/ppIhA1/mSZ/RxjFDrJC5xifFjJpY2Xl5zXdguFqYyTR1zSp1Y9p+tktDYYSNflcxI0iyO4TPBdlRcpeqjK/piF5bklq77VSEaA+z8qmJTFzIWiitbnzR794USKBUaT0NTEsVjZqLaFVqJoPN9ODG70IPbfBHKK+/q/AWR0tJzYHRULOa4MP+W/HfGadZUbfw177G7j/OGbIs8TahLyynl4X4RinF793Oz+BU0saXtUHrVBFT/DnA3ctNPoGbs4hRIjTok8i+algT1lTHi4SxFvONKNrgQFAq2/gFnWMXgwffgYMJpiKYkmW3tTg3ZQ9Jq+f8XN+A5eeUKHWvJWJ2sgJ1Sop+wwhqFVijqWaJhwtD8MNlSBeWNNWTa5Z5kPZw5+LbVT99wqTdx29lMUH4OIG/D86ruKEauBjvH5xy6um/Sfj7ei6UUVk4AIl3MyD4MSSTOFgSwsH/QJWaQ5as7ZcmgBZkzjjU1UrQ74ci1gWBCSGHtuV1H2mhSnO3Wp/3fEV5a+4wz//6qy8JxjZsmxxy5+4w9CDNJY09T072iKG0EnOS0arEYgXqYnXcYHwjTtUNAcMelOd4xpkoqiTYICWFq0JSiPfPDQdnt+4/wuqcXY47QILbgAAAABJRU5ErkJggg==');
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

/* 光效跟随鼠标 */
.light-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.7;
    transition: opacity 0.15s ease;
    will-change: background;
}

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 2rem 0;
}

nav {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
    box-sizing: border-box;
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 3px;
    font-family: 'Dancing Script', cursive;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.social-link {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.social-link:hover {
    color: #ffffff;
}

/* Hero区域 */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-title {
    position: relative;
    width: 90vw;
    max-width: 1000px;
}

.avatar-container {
    margin-bottom: 2rem;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-pink);
    box-shadow: 0 0 30px rgba(255, 51, 102, 0.3);
}

.title-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transform: scale(1.5);
    margin: 60px 0;
}

.letter {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    height: 100px;
    width: auto;
}

.letter text {
    font-size: 100px;
    font-weight: bold;
    stroke-width: 2;
    fill: none;
    stroke: #FF3366;
    font-family: 'Dancing Script', cursive;
    letter-spacing: -2px;
    paint-order: stroke;
    stroke-linecap: round;
    stroke-linejoin: round;
    animation: rainbow 3s linear infinite;
}

.letter:nth-child(1) text { animation-delay: 0s; }
.letter:nth-child(2) text { animation-delay: 0.5s; }
.letter:nth-child(3) text { animation-delay: 1s; }
.letter:nth-child(4) text { animation-delay: 1.5s; }
.letter:nth-child(5) text { animation-delay: 2s; }
.letter:nth-child(6) text { animation-delay: 2.5s; }

@keyframes rainbow {
    0% { stroke: #FF3366; filter: drop-shadow(0 0 10px #FF3366); }
    17% { stroke: #FF6B6B; filter: drop-shadow(0 0 10px #FF6B6B); }
    33% { stroke: #FFA07A; filter: drop-shadow(0 0 10px #FFA07A); }
    50% { stroke: #FF69B4; filter: drop-shadow(0 0 10px #FF69B4); }
    67% { stroke: #DA70D6; filter: drop-shadow(0 0 10px #DA70D6); }
    83% { stroke: #9370DB; filter: drop-shadow(0 0 10px #9370DB); }
    100% { stroke: #FF3366; filter: drop-shadow(0 0 10px #FF3366); }
}

.letter:hover {
    transform: translateY(-8px) rotate(-5deg);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    letter-spacing: 1px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--text-secondary);
}

.cta-button:hover {
    color: #ffffff;
    border-bottom-color: transparent;
}

.cta-button svg {
    transition: transform 0.2s ease;
}

.cta-button:hover svg {
    transform: translateX(5px);
}

/* 内容区块 */
.content-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 100px 2rem;
}

.content-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--text-color);
    letter-spacing: 2px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -35px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-pink);
    box-shadow: 0 0 15px var(--accent-pink);
}

.timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-color: var(--accent-pink);
    transform: translateX(5px);
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-date {
    color: var(--accent-coral);
    font-size: 0.85rem;
    font-weight: 500;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 项目卡片 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-pink);
    box-shadow: 0 10px 40px rgba(255, 51, 102, 0.15);
}

.project-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 51, 102, 0.1);
    color: var(--accent-pink);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 联系方式卡片 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--accent-pink);
    transform: translateY(-3px);
}

.contact-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-value {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 500;
}

.copy-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 8px;
    opacity: 0.7;
}

#wechatCard {
    cursor: pointer;
}

/* Toast提示 */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-pink);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 1000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 60px 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 响应式 */
@media (max-width: 768px) {
    nav {
        padding: 0 1.5rem;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-link {
        font-size: 0.85rem;
    }
    
    .title-container {
        transform: scale(1.1);
        gap: 4px;
    }
    
    .letter text {
        font-size: 70px;
    }
    
    .content-section {
        padding: 60px 1.5rem;
    }
}