:root {
    --primary: #00ff88;
    --primary-glow: rgba(0, 255, 136, 0.6);
    --bg-base: #030a06;
    --panel-bg: rgba(5, 15, 10, 0.7);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border: rgba(0, 255, 136, 0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    font-family: 'Segoe UI', system-ui, sans-serif; 
    color: var(--text-main); 
    background-color: var(--bg-base);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* 科技网格背景 */
.grid-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -2;
    background: var(--bg-base); overflow: hidden;
}
.grid-plane {
    position: absolute; bottom: -40%; left: -50%; width: 200%; height: 150%;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(600px) rotateX(65deg);
    animation: gridMove 4s linear infinite;
    mask-image: linear-gradient(to top, rgba(0,0,0,1) 10%, rgba(0,0,0,0) 80%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 10%, rgba(0,0,0,0) 80%);
}
@keyframes gridMove {
    0% { transform: perspective(600px) rotateX(65deg) translateY(0); }
    100% { transform: perspective(600px) rotateX(65deg) translateY(60px); }
}
.glow-orb {
    position: fixed; top: 20%; left: 50%; transform: translateX(-50%);
    width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,255,136,0.1) 0%, transparent 60%);
    z-index: -1; pointer-events: none;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }

/* 导航 */
header {
    background: rgba(3, 10, 6, 0.8); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 72px; }
.logo { font-size: 24px; font-weight: 800; color: var(--primary); text-shadow: 0 0 10px var(--primary-glow); letter-spacing: 2px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 15px; font-weight: 600; color: var(--text-muted); transition: 0.3s; text-transform: uppercase; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); text-shadow: 0 0 8px var(--primary-glow); }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 36px; border-radius: 4px; font-weight: 700; font-size: 16px;
    letter-spacing: 1px; transition: 0.3s; cursor: pointer; text-transform: uppercase;
    position: relative; overflow: hidden;
}
.btn::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}
.btn:hover::before { left: 100%; }
.btn-primary { background: var(--primary); color: #000; box-shadow: 0 0 20px var(--primary-glow); }
.btn-primary:hover { background: #fff; box-shadow: 0 0 30px rgba(255,255,255,0.8); }
.btn-outline { border: 1px solid var(--primary); color: var(--primary); background: rgba(0,255,136,0.05); }
.btn-outline:hover { background: rgba(0,255,136,0.15); box-shadow: 0 0 15px var(--primary-glow); }

/* Hero */
.hero { padding: 100px 0 80px; text-align: center; }
.hero h1 { font-size: 64px; font-weight: 900; color: #fff; margin-bottom: 20px; text-shadow: 0 0 20px var(--primary-glow); }
.hero p { font-size: 20px; color: var(--text-muted); margin-bottom: 50px; }
.hero-btns { display: flex; justify-content: center; gap: 24px; margin-bottom: 60px; }
.window-mockup {
    max-width: 960px; margin: 0 auto; border: 1px solid var(--border); border-radius: 8px;
    box-shadow: 0 0 40px rgba(0,255,136,0.15); background: var(--panel-bg); backdrop-filter: blur(10px);
}
.window-mockup img { border-radius: 8px; opacity: 0.9; }

/* 通用模块 */
section { padding: 80px 0; }
.section-title { text-align: center; font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 60px; text-shadow: 0 0 10px var(--primary-glow); }

/* 核心卖点 */
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.f-card {
    background: var(--panel-bg); border: 1px solid var(--border); padding: 30px 20px;
    border-radius: 8px; text-align: center; transition: 0.3s; backdrop-filter: blur(5px);
}
.f-card:hover { transform: translateY(-10px); border-color: var(--primary); box-shadow: 0 10px 20px var(--primary-glow); }
.f-card img { width: 48px; height: 48px; margin: 0 auto 20px; filter: drop-shadow(0 0 8px var(--primary)); }
.f-card h3 { font-size: 18px; color: var(--primary); margin-bottom: 12px; }
.f-card p { font-size: 14px; color: var(--text-muted); }

/* 详情 */
.detail-item { display: flex; align-items: center; gap: 60px; margin-bottom: 80px; }
.detail-item:nth-child(even) { flex-direction: row-reverse; }
.d-text { flex: 1; }
.d-text h3 { font-size: 30px; color: #fff; margin-bottom: 20px; text-shadow: 0 0 10px var(--primary-glow); border-left: 4px solid var(--primary); padding-left: 15px; }
.d-text p { font-size: 16px; color: var(--text-muted); line-height: 1.8; }
.d-img { flex: 1; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; box-shadow: 0 0 20px rgba(0,255,136,0.1); }

/* 对比 */
.compare-box { background: var(--panel-bg); border: 1px solid var(--border); border-radius: 8px; backdrop-filter: blur(10px); }
.compare-table { width: 100%; border-collapse: collapse; text-align: center; }
.compare-table th, .compare-table td { padding: 20px; border-bottom: 1px solid rgba(0,255,136,0.1); }
.compare-table th { color: var(--primary); font-weight: 700; background: rgba(0,255,136,0.05); }
.compare-table .highlight { color: #fff; font-weight: 800; background: rgba(0,255,136,0.15); text-shadow: 0 0 5px var(--primary); }

/* 版本 */
.ver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.ver-card { background: var(--panel-bg); border: 1px solid var(--border); padding: 40px 30px; border-radius: 8px; text-align: center; transition: 0.3s; position: relative; }
.ver-card:hover { border-color: var(--primary); box-shadow: 0 0 25px var(--primary-glow); transform: scale(1.02); z-index: 2; }
.ver-card.rec { border-top: 4px solid var(--primary); }
.ver-card h3 { font-size: 24px; color: #fff; margin-bottom: 15px; }
.ver-card p { color: var(--text-muted); margin-bottom: 30px; height: 50px; }

/* 数据 */
.data-sec { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(0,255,136,0.02); }
.data-wrap { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 40px; text-align: center; }
.data-box h4 { font-size: 56px; font-weight: 900; color: var(--primary); text-shadow: 0 0 20px var(--primary-glow); margin-bottom: 10px; font-family: monospace; }
.data-box p { font-size: 16px; color: var(--text-main); font-weight: 600; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.faq-item { background: var(--panel-bg); border: 1px solid var(--border); padding: 24px; border-radius: 8px; transition: 0.3s; }
.faq-item:hover { background: rgba(0,255,136,0.05); }
.faq-item h4 { font-size: 16px; color: var(--primary); margin-bottom: 12px; }
.faq-item p { color: var(--text-muted); font-size: 14px; }

footer { padding: 40px 0; text-align: center; color: var(--text-muted); border-top: 1px solid var(--border); font-size: 14px; }