/* SuperBrowser V2 风格 - 深色赛博朋克、玻璃拟物、高转化 */
:root {
    --bg-deep: #09090b;
    --bg-card: rgba(255, 255, 255, 0.04);
    --border-glass: rgba(255, 255, 255, 0.08);
    --primary: #8b5cf6; /* 赛博紫 */
    --secondary: #06b6d4; /* 科技青 */
    --accent: #10b981; /* 下载绿 */
    --accent-hover: #059669;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glow-purple: 0 0 25px rgba(139, 92, 246, 0.4);
    --glow-green: 0 0 20px rgba(16, 185, 129, 0.4);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background-color: var(--bg-deep); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: var(--primary); transition: all 0.3s ease; }
a:hover { color: var(--secondary); }
.z6b8becontainer { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 玻璃拟物卡片 */
.z6b8beglass { background: var(--bg-card); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border-glass); border-radius: 16px; }

/* 头部导航 */
.z6b8beheader { position: sticky; top: 0; z-index: 1000; background: rgba(9, 9, 11, 0.8); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-glass); }
.z6b8beheader_inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.z6b8belogo { font-size: 24px; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.z6b8benav { display: flex; gap: 25px; }
.z6b8benav a { color: var(--text-muted); font-weight: 500; font-size: 15px; }
.z6b8benav a:hover, .z6b8benav a.current { color: var(--text-main); }
.z6b8bebtn_dl { background: linear-gradient(135deg, var(--accent), #34d399); color: #fff !important; padding: 10px 24px; border-radius: 8px; font-weight: 600; box-shadow: var(--glow-green); transition: transform 0.2s, box-shadow 0.2s; }
.z6b8bebtn_dl:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(16, 185, 129, 0.6); color: #fff !important; }

/* 首屏 Hero */
.z6b8behero { padding: 100px 0; text-align: center; position: relative; }
.z6b8behero::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 800px; height: 800px; background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%); z-index: -1; }
.z6b8behero h1 { font-size: 48px; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.z6b8behero h1 span { background: linear-gradient(to right, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.z6b8behero p { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; }
.z6b8behero_btns { display: flex; justify-content: center; gap: 20px; margin-bottom: 60px; }
.z6b8bebtn_secondary { background: transparent; border: 1px solid var(--border-glass); color: var(--text-main); padding: 10px 24px; border-radius: 8px; font-weight: 600; }
.z6b8bebtn_secondary:hover { background: rgba(255,255,255,0.05); color: #fff !important; }
.z6b8bemockup { max-width: 800px; margin: 0 auto; border-radius: 20px; overflow: hidden; box-shadow: var(--glow-purple); border: 1px solid var(--border-glass); background: #111; height: 400px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); }

/* 特性区块 */
.z6b8befeatures { padding: 80px 0; }
.z6b8besection_title { text-align: center; font-size: 32px; font-weight: 700; margin-bottom: 50px; }
.z6b8begrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.z6b8befeature_card { padding: 30px; transition: transform 0.3s, border-color 0.3s; }
.z6b8befeature_card:hover { transform: translateY(-5px); border-color: var(--primary); }
.z6b8befeature_icon { font-size: 36px; margin-bottom: 15px; }
.z6b8befeature_card h3 { font-size: 20px; margin-bottom: 10px; }
.z6b8befeature_card p { color: var(--text-muted); font-size: 14px; }

/* 文章列表区 */
.z6b8bearticles { padding: 80px 0; }
.z6b8bearticle_list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 40px; }
.z6b8bearticle_item { padding: 20px; display: flex; flex-direction: column; }
.z6b8bearticle_item h4 { font-size: 18px; margin-bottom: 10px; line-height: 1.4; }
.z6b8bearticle_item h4 a { color: var(--text-main); }
.z6b8bearticle_item h4 a:hover { color: var(--primary); }
.z6b8bearticle_meta { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.z6b8bearticle_desc { font-size: 14px; color: var(--text-muted); flex: 1; }

/* 内页布局 */
.z6b8bepage_wrap { padding: 40px 0; min-height: 60vh; }
.z6b8bebreadcrumb { font-size: 14px; color: var(--text-muted); margin-bottom: 30px; }
.z6b8bebreadcrumb a { color: var(--text-muted); }
.z6b8bebreadcrumb a:hover { color: var(--primary); }
.z6b8belayout { display: grid; grid-template-columns: 1fr 300px; gap: 30px; }
.z6b8becontent { padding: 30px; }
.z6b8besidebar { display: flex; flex-direction: column; gap: 20px; }
.z6b8besidebar_card { padding: 20px; text-align: center; }
.z6b8besidebar_card h3 { font-size: 18px; margin-bottom: 15px; }

/* 底部 */
.z6b8befooter { background: #000; border-top: 1px solid var(--border-glass); padding: 60px 0 30px; margin-top: 80px; }
.z6b8befooter_grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.z6b8befooter h4 { font-size: 16px; margin-bottom: 20px; color: var(--text-main); }
.z6b8befooter p, .z6b8befooter a { color: var(--text-muted); font-size: 14px; display: block; margin-bottom: 10px; }
.z6b8befooter a:hover { color: var(--primary); }
.z6b8becopyright { text-align: center; color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-glass); padding-top: 20px; }

/* 悬浮按钮 */
.z6b8befixed_dl { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #34d399); color: #fff !important; display: flex; align-items: center; justify-content: center; font-weight: bold; box-shadow: var(--glow-green); z-index: 999; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); } 70% { box-shadow: 0 0 0 15px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

/* 响应式 */
@media (max-width: 768px) {
    .z6b8benav { display: none; }
    .z6b8behero h1 { font-size: 32px; }
    .z6b8behero_btns { flex-direction: column; align-items: center; }
    .z6b8belayout { grid-template-columns: 1fr; }
    .z6b8befooter_grid { grid-template-columns: 1fr; }
}