/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --waysun-dark: #0B1038;
    --waysun-blue: #1C4FD1;
    --waysun-light: #4D8AFF;
    --waysun-accent: #FFB84D;
    --waysun-card: rgba(255, 255, 255, 0.1);
    
    --hero-gradient: linear-gradient(180deg, #07123A 0%, #1A3B8E 50%, #4D8AFF 100%);
    --about-gradient: linear-gradient(180deg, #1C4FD1 0%, #0B1038 100%);
    --philosophy-gradient: linear-gradient(180deg, #4D8AFF 0%, #1A3B8E 100%);
    --footer-gradient: linear-gradient(180deg, #1A3B8E 0%, #0B1038 100%);
}

html {
    scroll-behavior: smooth;
    touch-action: pan-y;
    -webkit-tap-highlight-color: transparent;
    background-color: #07123A;
}

body {
    background-color: #07123A;
    color: white;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
    font-family: 'Nunito', 'Noto Sans SC', sans-serif;
}

/* 视图切换 */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* 通用工具类 */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.glass-nav {
    background: rgba(11, 16, 56, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* 动画 */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes shooting-long {
    0% {
        transform: translateX(0) translateY(0) rotate(135deg) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translateX(-150vw) translateY(150vh) rotate(135deg) scale(1);
        opacity: 0;
    }
}

@keyframes wave-flow-1 {
    0% {
        transform: translateX(0) scaleY(1);
    }
    50% {
        transform: translateX(-2%) scaleY(1.15);
    }
    100% {
        transform: translateX(0) scaleY(1);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-twinkle {
    animation: twinkle 4s ease-in-out infinite;
}

.animate-wave-1 {
    animation: wave-flow-1 15s ease-in-out infinite;
    transform-origin: bottom center;
    will-change: transform;
}

.animate-wave-2 {
    animation: wave-flow-1 20s ease-in-out infinite reverse;
    transform-origin: bottom center;
    will-change: transform;
}

.animate-wave-3 {
    animation: wave-flow-1 25s ease-in-out infinite;
    transform-origin: bottom center;
    will-change: transform;
}

/* 滚动显示动画 */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-lift {
    opacity: 1;
    transform: translateY(350px);
    transition: transform 2.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform;
}

.reveal-fade {
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.reveal-active {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.reveal-delay-100 {
    transition-delay: 100ms;
}

.reveal-delay-200 {
    transition-delay: 200ms;
}

.reveal-delay-300 {
    transition-delay: 300ms;
}

.reveal-delay-500 {
    transition-delay: 500ms;
}

/* 流星 */
.shooting-star {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 50%, rgba(255,255,255,0) 100%);
    border-radius: 999px;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.8));
    opacity: 0;
    will-change: transform, opacity;
    pointer-events: none;
}

.shooting-star::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 20%;
    height: 4px;
    width: 4px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 0 15px 3px rgba(255, 255, 255, 0.9);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 响应式 */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}