/* --- 全局设置 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
    height: 100%; width: 100%; overflow: hidden;
    background-color: #000; color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
}

/* V3.0: 动态背景 (Ken Burns Effect) */
.dynamic-background {
    position: fixed; top: -10%; left: -10%; width: 120%; height: 120%; /* 放大一点以供移动 */
    z-index: 1;
    background-image: url('background.jpg');
    background-size: cover; background-position: center;
    filter: brightness(0.6) blur(8px); /* 压暗并模糊 */
    animation: kenBurns 60s infinite alternate ease-in-out; /* 缓慢缩放移动 */
}
@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(-2%, -1%); }
}

/* V3.0: 噪点纹理 (可选，增加电影质感) */
.grain-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 2; opacity: 0.05; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* 内容层容器 */
.content-wrapper {
    position: relative; z-index: 3;
    width: 100%; height: 100%;
    display: flex; justify-content: center; align-items: center;
    padding: 5vw;
}

/* V3.0: 磨砂玻璃卡片 */
.glass-card {
    background: rgba(255, 255, 255, 0.03); /* 极淡的白色 */
    backdrop-filter: blur(20px) saturate(180%); /* 核心：毛玻璃效果 */
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1); /* 精致光边 */
    border-radius: 24px;
    padding: 5vw 8vw;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 1000px; width: 100%;
    display: flex; flex-direction: column; align-items: center;
    position: relative; /* 为二维码定位 */
}

/* Logo 区域 */
.logo-section { margin-bottom: 4vh; }
.lucent-hearts-logo { width: 80px; height: 80px; margin-bottom: 15px; opacity: 0.9; }
.logo-leaf { fill: none; stroke: #fff; stroke-width: 3; }
.logo-aperture { fill: rgba(0, 255, 157, 0.2); stroke: #00ff9d; stroke-width: 1; }
.logo-spark { fill: #00ff9d; animation: spark-pulse 2s infinite ease-in-out; }
@keyframes spark-pulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.2); } }
.team-name {
    font-size: 0.9rem; letter-spacing: 0.3em; color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* 电影信息 */
.movie-title {
    font-size: clamp(3rem, 8vw, 5rem); /* 巨大化标题 */
    font-weight: 800; line-height: 1.1; margin-bottom: 3vh;
    background: linear-gradient(to bottom right, #fff, #ccc); /* 微妙渐变字 */
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.divider {
    width: 60px; height: 4px; background: #00ff9d; /* 品牌色分割线 */
    margin: 0 auto 3vh; border-radius: 2px;
}
.slogan {
    font-size: 1.5rem; font-weight: 300; color: rgba(255,255,255,0.9);
    letter-spacing: 0.1em; margin-bottom: 5vh; font-style: italic;
}

/* 上映信息 */
.release-info {
    display: flex; gap: 20px; justify-content: center; align-items: center;
}
.release-tag, .release-date {
    padding: 8px 20px; border-radius: 30px;
    font-size: 1.1rem; font-weight: 500; letter-spacing: 0.05em;
}
.release-tag {
    background: rgba(255, 255, 255, 0.1); color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}
.release-date {
    background: #00ff9d; color: #000; /* 醒目的上映日期 */
    box-shadow: 0 0 30px rgba(0, 255, 157, 0.3); /* 发光效果 */
}

/* V3.0: 悬浮二维码 (打破卡片边界的设计) */
.qr-floating {
    position: absolute;
    right: -60px; bottom: 50px; /* 悬挂在卡片右下角外部 */
    display: flex; flex-direction: column; align-items: center;
    animation: float 6s infinite ease-in-out;
}
.qr-box {
    background: #fff; padding: 12px; border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}
.qr-box img { width: 140px; height: 140px; display: block; }
.qr-floating p {
    font-size: 0.9rem; color: rgba(255,255,255,0.8);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5); /* 确保在复杂背景上可读 */
    display: flex; align-items: center; gap: 5px;
}
.qr-floating .arrow { animation: moveRight 1s infinite alternate; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
@keyframes moveRight { from { transform: translateX(0); } to { transform: translateX(5px); } }

/* 入场动画 */
.fade-in-up {
    opacity: 0; transform: translateY(50px) scale(0.95);
    animation: fadeInUp 1.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards 0.5s;
}
@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- 响应式 --- */
@media (max-width: 1024px) { /* 平板/竖屏一体机 */
    .glass-card { padding: 8vw 5vw; }
    .qr-floating {
        position: static; /* 小屏幕回归卡片内部 */
        margin-top: 6vh;
        flex-direction: row; gap: 20px;
        animation: none;
    }
    .qr-floating p { text-shadow: none; color: rgba(255,255,255,0.6); }
}
@media (max-width: 768px) { /* 手机 */
    .movie-title { font-size: 3rem; }
    .slogan { font-size: 1.2rem; }
    .qr-floating { flex-direction: column; }
}