:root {
    --primary-color: #fff;
    --secondary-color: #86868b;
    --accent-color: #2997ff;
    --background-color: #000;
    --card-background: rgba(22, 22, 23, 0.8);
    --text-gradient: linear-gradient(90deg, #fff 0%, #86868b 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Noto Sans SC', sans-serif;
    background: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.header {
    text-align: center;
    padding: 6rem 0;
    position: relative;
}

.title {
    font-size: 8rem;
    font-weight: 700;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.5s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    letter-spacing: -0.03em;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeIn 2s ease-out 0.5s forwards;
}

.music-control {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--card-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    z-index: 100;
}

.music-control:hover {
    transform: scale(1.1);
}

.music-icon {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
}

.card {
    background: var(--card-background);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(50px);
    opacity: 0;
    animation: slideUp 1s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.new-brand {
    animation-delay: 0.3s;
}

.cultivation {
    animation-delay: 0.6s;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

h3 {
    color: var(--accent-color);
    font-size: 1.8rem;
    margin: 1.5rem 0;
    font-weight: 500;
}

p {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.practice-item {
    border-left: 2px solid var(--accent-color);
    padding-left: 2rem;
    margin: 2.5rem 0;
    transition: all 0.3s ease;
}

.practice-item:hover {
    border-left-width: 4px;
    transform: translateX(10px);
}

.meditation {
    font-style: italic;
    color: var(--secondary-color);
    text-align: center;
    margin-top: 3rem;
    font-size: 1.2rem;
    line-height: 2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .title {
        font-size: 4rem;
    }

    .card {
        padding: 2rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .practice-item {
        padding-left: 1.5rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 3rem;
    }

    .card {
        padding: 1.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .practice-item {
        padding-left: 1rem;
    }
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}