:root {
    --cyber-bg: #0a0b10;
    --cyber-card: #161821;
    --cyber-primary: #bc13fe; /* 荧光紫 */
    --cyber-secondary: #00f2ff; /* 霓虹蓝 */
    --cyber-text: #e2e8f0;
    --cyber-muted: #94a3b8;
    --cyber-border: rgba(255, 255, 255, 0.08);
    --cyber-glow: 0 0 20px rgba(188, 19, 254, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
    background: var(--cyber-bg);
    color: var(--cyber-text);
    font-family: 'Outfit', 'Inter', sans-serif;
    overflow-x: hidden;
}

/* --- 导航栏 --- */
.cb-nav {
    position: fixed; top: 0; width: 100%; height: 75px;
    background: rgba(10, 11, 16, 0.8); backdrop-filter: blur(20px);
    z-index: 1000; border-bottom: 1px solid var(--cyber-border);
    display: flex; align-items: center; padding: 0 6%;
}
.cb-logo {
    font-size: 26px; font-weight: 900; color: #fff;
    text-decoration: none; display: flex; align-items: center; gap: 10px;
}
.cb-logo span { color: var(--cyber-primary); }

.cb-nav-actions { margin-left: auto; display: flex; gap: 20px; align-items: center; }
.cb-btn-top {
    background: linear-gradient(135deg, var(--cyber-primary), #7e22ce);
    color: #fff; border: none; padding: 10px 20px; border-radius: 12px;
    font-weight: 700; cursor: pointer; transition: 0.3s; box-shadow: var(--cyber-glow);
}
.cb-btn-top:hover { transform: scale(1.05); filter: brightness(1.2); }

/* --- 居中分类栏 (修复版) --- */
.cb-filter-wrapper {
    margin: 0px 0 40px;
    display: flex; justify-content: center;
    overflow-x: auto; padding: 0 20px 10px;
    scrollbar-width: none;
}
.cb-filter-wrapper::-webkit-scrollbar { display: none; }

.cb-btn-filter {
    background: var(--cyber-card); color: var(--cyber-muted);
    border: 1px solid var(--cyber-border); padding: 12px 28px;
    border-radius: 15px; cursor: pointer; margin: 0 6px;
    font-weight: 600; white-space: nowrap; transition: 0.3s;
}
.cb-btn-filter.active {
    background: rgba(188, 19, 254, 0.1);
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
    box-shadow: inset 0 0 10px rgba(188, 19, 254, 0.2);
}

/* --- 游戏网格 --- */
.container { max-width: 1300px; margin: 0 auto; padding: 0 25px; }
.cb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 9px; }

.cb-card {
    background: var(--cyber-card); border-radius: 24px; overflow: hidden;
    border: 1px solid var(--cyber-border); transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none; color: inherit; position: relative;
}
.cb-card:hover {
    transform: translateY(-12px);
    border-color: var(--cyber-primary);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6), var(--cyber-glow);
}

.cb-thumb { width: 100%; aspect-ratio: 16/10; position: relative; overflow: hidden; }
.cb-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.cb-card:hover .cb-thumb img { transform: scale(1.1); }

/* 悬浮光效 */
.cb-card::after {
    content: ''; position: absolute; inset: 0; border-radius: 24px;
    background: radial-gradient(circle at center, var(--cyber-primary), transparent);
    opacity: 0; transition: 0.4s; z-index: -1;
}
.cb-card:hover::after { opacity: 0.1; }

.cb-info { padding: 24px; }
.cb-tag {
    display: inline-block; padding: 4px 12px; background: rgba(255,255,255,0.05);
    border-radius: 8px; font-size: 11px; font-weight: 800; color: var(--cyber-secondary);
    text-transform: uppercase; margin-bottom: 12px;
}
.cb-title { font-size: 20px; font-weight: 800; margin-bottom: 10px; color: #fff; }

/* 限制两行描述 */
.cb-desc {
    font-size: 14px; color: var(--cyber-muted); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* --- 网站描述区 --- */
.cb-about {
    margin: 100px 0; padding: 50px; background: linear-gradient(to right, #161821, #0f1016);
    border-radius: 30px; border: 1px solid var(--cyber-border);
}
.cb-about-h2 { font-size: 28px; font-weight: 900; margin-bottom: 20px; color: var(--cyber-primary); }
.cb-about-p { font-size: 16px; color: var(--cyber-muted); line-height: 1.8; }

/* --- 页脚 --- */
.cb-footer {
    background: #050508; padding: 80px 0 40px; border-top: 1px solid var(--cyber-border);
}
.cb-footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 30px; }

.cb-share-group { display: flex; gap: 12px; }
.cb-share-btn {
    width: 42px; height: 42px; border-radius: 14px; background: #161821;
    display: flex; align-items: center; justify-content: center; color: var(--cyber-text);
    text-decoration: none; transition: 0.3s; border: 1px solid var(--cyber-border);
}
.cb-share-btn:hover { background: var(--cyber-primary); color: #fff; transform: translateY(-5px); border-color: transparent; }

/* 隐藏逻辑 */
.hidden { display: none; }

@media (max-width: 768px) {
    .cb-filter-wrapper { justify-content: flex-start; }
    .cb-about { padding: 30px; }
    .cb-footer-inner { flex-direction: column; text-align: center; }
}

.cb-search-overlay {
    position: fixed; inset: 0; background: rgba(10, 11, 16, 0.98);
    z-index: 2000; display: flex; flex-direction: column; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
}
.cb-search-overlay.active { opacity: 1; visibility: visible; }

.cb-search-close {
    position: absolute; top: 30px; right: 40px; font-size: 30px;
    color: var(--cyber-muted); cursor: pointer; transition: 0.3s;
}
.cb-search-close:hover { color: #fff; transform: rotate(90deg); }

.cb-search-input-wrap { width: 80%; max-width: 800px; position: relative; }
.cb-search-input {
    width: 100%; background: transparent; border: none; border-bottom: 3px solid var(--cyber-border);
    padding: 15px; font-size: 40px; color: #fff; font-weight: 700; outline: none; transition: 0.3s;
}
.cb-search-input:focus { border-color: var(--cyber-primary); }
.cb-search-input::placeholder { color: rgba(255,255,255,0.1); }
.cb-search-hint { margin-top: 20px; color: var(--cyber-muted); font-size: 14px; letter-spacing: 1px; }

/* 搜索触发按钮 */
.cb-search-trigger {
    background: rgba(255,255,255,0.05); border: 1px solid var(--cyber-border);
    color: #fff; width: 45px; height: 45px; border-radius: 12px;
    cursor: pointer; transition: 0.3s; display: flex; align-items: center; justify-content: center;
}
.cb-search-trigger:hover { border-color: var(--cyber-secondary); color: var(--cyber-secondary); box-shadow: 0 0 15px rgba(0,242,255,0.2); }