:root {
    --bg: #050505;
    --card-bg: #111;
    --text: #ffffff;
    --gold: #eebb55; /* 提亮后的金色 */
    --font-en: 'Cormorant Garamond', serif;
    --font-cn: 'Noto Serif SC', serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    font-family: var(--font-cn);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* 噪点特效 */
.noise {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyBAMAAADsEZWCAAAAGFBMVEUAAAA5OTkAAABMTExERERmZmYzMzNmZmZPCtznAAAACHRSTlMAMwA3M2ZmZv43+tUAAAAJcEhZcwAAFiUAABYlAUlSJPAAAAA6SURBVDjLY2AYBaNgKLHgAAg7BMCoIQwMh0A4CgKBcDQEQeFwCITDIBAOg0A4DAKBaAiCwnAIhMMgAAAP9hXtPWG1QwAAAABJRU5ErkJggg==');
    opacity: 0.03; pointer-events: none; z-index: 999;
}

/* --- 音乐播放器悬浮球 --- */
#music-toggle {
    position: fixed; top: 30px; right: 40px;
    width: 44px; height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    cursor: pointer; z-index: 10000;
    color: #fff; transition: 0.3s;
    backdrop-filter: blur(5px);
}
#music-toggle:hover {
    border-color: var(--gold); color: var(--gold);
    box-shadow: 0 0 20px rgba(238, 187, 85, 0.3);
    transform: scale(1.1);
}
/* 旋转动画 */
.music-playing {
    animation: spinVinyl 4s linear infinite;
    border-color: var(--gold) !important;
    color: var(--gold) !important;
}
@keyframes spinVinyl {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- 悬浮导航 --- */
#sticky-nav {
    position: fixed; top: 0; left: 0; width: 100%;
    height: 70px;
    padding: 0 50px;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(0,0,0,0.8);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    z-index: 900;
    transform: translateY(-100%);
    transition: transform 0.5s ease;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
}
#sticky-nav.visible { transform: translateY(0); }

.nav-logo { font-family: var(--font-en); font-size: 1.5rem; cursor: pointer; color: #fff; letter-spacing: 2px; transition: 0.3s; font-weight: 700; }
.nav-logo:hover { color: var(--gold); }
.nav-btn { font-family: var(--font-en); font-size: 1rem; letter-spacing: 2px; cursor: pointer; padding: 8px 20px; border: 1px solid rgba(255,255,255,0.3); border-radius: 50px; transition: 0.3s; color: #fff; }
.nav-btn:hover { border-color: var(--gold); background: var(--gold); color: #000; }

/* --- 封面区域 --- */
#cover-section { position: relative; width: 100vw; height: 100vh; overflow: hidden; }

.hero-grid { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; }
.hero-img-box { flex: 1; height: 100%; position: relative; background-color: #000; border-right: 1px solid rgba(0,0,0,0.3); }
.hero-img-box img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.85; /* 图片更亮 */
    transition: opacity 1s;
    filter: contrast(1.1);
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0) 20%, rgba(0,0,0,0.6) 100%);
    pointer-events: none;
}

/* 中心内容 */
.center-content {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: center; width: 100%; z-index: 10;
    text-shadow: 0 5px 30px rgba(0,0,0,0.9);
}

.main-title {
    font-family: var(--font-en); font-size: 9rem; /* 超大标题 */
    letter-spacing: 10px; margin: 0; line-height: 1;
    font-weight: 400; color: #fff;
}

.main-subtitle-cn {
    margin-top: 5px; margin-bottom: 30px;
    font-size: 2rem; font-weight: 300; opacity: 0.9;
    /* Flex 布局实现留白 */
    display: flex; justify-content: center; gap: 60px;
    color: var(--gold);
}

.quote-text {
    font-size: 1.2rem; color: #f0f0f0; letter-spacing: 4px;
    margin-bottom: 70px; font-weight: 400; line-height: 1.6;
}
.quote-en {
    display: block; font-family: var(--font-en); font-size: 1.1em; 
    opacity: 0.8; font-style: italic; margin-top: 8px; letter-spacing: 1px;
}

/* 按钮组 */
.entry-buttons { display: flex; justify-content: center; gap: 70px; margin-top: 40px; }
.btn-item { cursor: pointer; display: flex; flex-direction: column; align-items: center; transition: transform 0.3s ease, opacity 0.3s; opacity: 0.9; }
.btn-item:hover { transform: translateY(-8px) scale(1.05); opacity: 1; }

.btn-item .en {
    font-family: var(--font-en); font-size: 2.8rem; font-weight: 600;
    color: #fff; border-bottom: 2px solid transparent; transition: 0.3s;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.btn-item:hover .en { color: var(--gold); border-bottom-color: var(--gold); }
.btn-item .cn { font-size: 1.1rem; margin-top: 10px; letter-spacing: 6px; color: #ddd; transition: 0.3s; font-weight: 500; }
.btn-item:hover .cn { color: #fff; }

/* --- 画廊区域 --- */
#gallery-section { display: none; min-height: 100vh; padding-top: 120px; padding-bottom: 60px; }
.gallery-header { text-align: center; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto; }
#gallery-title { font-family: var(--font-en); font-size: 4rem; margin: 0; color: var(--gold); font-weight: 400; letter-spacing: 2px; }
.divider-line { width: 1px; height: 30px; background: var(--gold); margin: 15px auto; opacity: 0.5; }
#gallery-desc { color: #aaa; font-size: 1rem; line-height: 1.8; font-family: var(--font-cn); white-space: pre-wrap; letter-spacing: 1px; }

.gallery-container { column-count: 3; column-gap: 30px; padding: 0 60px; }
.gallery-item { break-inside: avoid; margin-bottom: 30px; background-color: var(--card-bg); cursor: zoom-in; }
.gallery-item img { width: 100%; display: block; opacity: 0; transition: opacity 0.8s ease; filter: grayscale(0%); }
.gallery-item:hover img { transform: scale(1.02); transition: transform 0.5s; box-shadow: 0 10px 30px rgba(0,0,0,0.5);}
.gallery-item img.loaded { opacity: 1; }

/* 响应式 */
@media (max-width: 1024px) { .main-title { font-size: 6rem; letter-spacing: 5px;} .entry-buttons { gap: 30px; } .btn-item .en { font-size: 2rem; } }
@media (max-width: 768px) { .hero-grid { flex-direction: column; } .hero-img-box { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.2); } .main-title { font-size: 4rem; letter-spacing: 2px; } .main-subtitle-cn { font-size: 1.5rem; gap: 30px;} .entry-buttons { flex-wrap: wrap; gap: 30px; } .btn-item { width: 45%; margin-bottom: 10px;} .btn-item .en { font-size: 2.2rem; } .gallery-container { column-count: 2; padding: 0 15px; } #music-toggle { top: 20px; right: 20px; } }

/* 灯箱 */
#lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; display: none; justify-content: center; align-items: center; z-index: 2000; }
.lightbox-bg { position: absolute; width: 100%; height: 100%; background: rgba(0,0,0,0.95); backdrop-filter: blur(8px); }
#lightbox-img { max-height: 85vh; max-width: 90vw; z-index: 2001; box-shadow: 0 0 50px rgba(0,0,0,0.8); border: 1px solid #333;}
.close-btn { position: absolute; bottom: 40px; font-family: var(--font-en); font-size: 1rem; letter-spacing: 3px; color: #fff; border: 1px solid #fff; padding: 8px 30px; border-radius: 50px; cursor: pointer; z-index: 2002; transition: 0.3s; }
.close-btn:hover { background: #fff; color: #000; }