:root {
    --matrix-bg: #000500;
    --matrix-green: #00FF41;
    --matrix-dark-green: #008F11;
    --matrix-light-green: #B3FFC0;
    --panel-bg: rgba(0, 20, 0, 0.8);
    --border-color: rgba(0, 255, 65, 0.3);
    --text-main: #FFFFFF;
    --text-muted: #8AA890;
    --glow-effect: 0 0 10px rgba(0, 255, 65, 0.5), 0 0 20px rgba(0, 255, 65, 0.3);
    --font-mono: 'Courier New', Courier, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background-color: var(--matrix-bg); color: var(--matrix-green); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; filter: sepia(100%) hue-rotate(80deg) saturate(200%); border: 1px solid var(--border-color); }
ul { list-style: none; }

/* 代码雨背景模拟 */
.matrix-rain { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; background: linear-gradient(180deg, rgba(0,5,0,1) 0%, rgba(0,20,0,0.5) 100%); overflow: hidden; pointer-events: none; }
.matrix-line { position: absolute; width: 2px; background: linear-gradient(to bottom, transparent, var(--matrix-green)); animation: rain linear infinite; }
@keyframes rain { 0% { top: -100px; opacity: 1; } 100% { top: 100vh; opacity: 0; } }

/* 生成随机代码线 */
.matrix-rain::before { content: '1010110010110101101001001'; position: absolute; top: -100px; left: 10%; color: var(--matrix-dark-green); font-family: var(--font-mono); font-size: 14px; word-break: break-all; width: 15px; animation: rain 5s linear infinite; opacity: 0.5; }
.matrix-rain::after { content: '0100101101110001010100101'; position: absolute; top: -100px; left: 80%; color: var(--matrix-dark-green); font-family: var(--font-mono); font-size: 14px; word-break: break-all; width: 15px; animation: rain 4s linear infinite 1s; opacity: 0.3; }

/* 导航 */
.header { background: rgba(0, 5, 0, 0.9); border-bottom: 1px solid var(--matrix-green); position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(5px); box-shadow: 0 2px 15px rgba(0, 255, 65, 0.2); }
.nav-wrap { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; height: 70px; padding: 0 20px; }
.logo { font-size: 22px; font-weight: bold; color: var(--matrix-light-green); display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); text-shadow: var(--glow-effect); }
.logo img { width: 30px; height: 30px; filter: drop-shadow(0 0 5px var(--matrix-green)); border: none; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 14px; font-family: var(--font-mono); color: var(--matrix-green); text-transform: uppercase; letter-spacing: 1px; }
.nav-links a:hover, .nav-links a.active { color: #FFF; text-shadow: var(--glow-effect); }
.nav-links a.active::before { content: '>'; margin-right: 5px; color: var(--matrix-green); }

.container { max-width: 1200px; margin: 0 auto; padding: 80px 20px; position: relative; z-index: 2; }

/* 终端风按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 30px; border: 1px solid var(--matrix-green); font-size: 16px; font-family: var(--font-mono); cursor: pointer; transition: 0.2s; text-transform: uppercase; background: rgba(0, 255, 65, 0.05); }
.btn-primary { background: var(--matrix-green); color: #000; font-weight: bold; box-shadow: var(--glow-effect); }
.btn-primary:hover { background: var(--matrix-light-green); color: #000; border-color: var(--matrix-light-green); }
.btn-outline { color: var(--matrix-green); }
.btn-outline:hover { background: rgba(0, 255, 65, 0.2); box-shadow: inset 0 0 10px rgba(0, 255, 65, 0.5); }

/* 首屏 Hero */
.hero { display: flex; align-items: center; gap: 50px; padding: 100px 20px; max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
.hero-content { flex: 1.1; }
.sys-status { display: inline-block; border: 1px solid var(--matrix-green); padding: 5px 15px; font-family: var(--font-mono); font-size: 12px; margin-bottom: 20px; background: rgba(0,255,65,0.1); animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-content h1 { font-size: 56px; font-weight: 900; color: #FFF; margin-bottom: 15px; line-height: 1.1; text-shadow: var(--glow-effect); letter-spacing: 2px; }
.hero-content .subtitle { font-size: 22px; color: var(--matrix-light-green); margin-bottom: 30px; font-family: var(--font-mono); }
.hero-content .desc { font-size: 15px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.8; border-left: 2px solid var(--matrix-green); padding-left: 15px; }
.hero-btns { display: flex; gap: 20px; }
.hero-visual { flex: 1; position: relative; }
.hero-visual::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,255,65,0.1) 2px, rgba(0,255,65,0.1) 4px); pointer-events: none; }
.hero-visual img { box-shadow: 0 0 30px rgba(0, 255, 65, 0.3); border: 2px solid var(--matrix-green); }

/* 模块标题 */
.sec-title { text-align: center; font-size: 32px; font-weight: bold; color: #FFF; margin-bottom: 50px; font-family: var(--font-mono); text-shadow: var(--glow-effect); text-transform: uppercase; }
.sec-title::before { content: '/* '; color: var(--matrix-dark-green); }
.sec-title::after { content: ' */'; color: var(--matrix-dark-green); }

/* 核心卖点 */
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.f-box { background: var(--panel-bg); padding: 30px 15px; text-align: center; border: 1px solid var(--border-color); transition: 0.3s; box-shadow: inset 0 0 10px rgba(0,0,0,1); }
.f-box:hover { border-color: var(--matrix-green); box-shadow: inset 0 0 20px rgba(0,255,65,0.2), 0 0 15px rgba(0,255,65,0.2); transform: translateY(-5px); }
.f-box img { width: 45px; height: 45px; margin: 0 auto 15px; filter: none; border: none; }
.f-box h3 { font-size: 16px; color: var(--matrix-light-green); margin-bottom: 10px; font-family: var(--font-mono); }
.f-box p { font-size: 13px; color: var(--text-muted); }

/* 功能详情 */
.detail-box { display: flex; align-items: center; gap: 50px; margin-bottom: 80px; background: rgba(0, 10, 0, 0.6); border: 1px solid var(--border-color); padding: 40px; position: relative; }
.detail-box::before { content: ''; position: absolute; top: -5px; left: -5px; width: 10px; height: 10px; border-top: 2px solid var(--matrix-green); border-left: 2px solid var(--matrix-green); }
.detail-box::after { content: ''; position: absolute; bottom: -5px; right: -5px; width: 10px; height: 10px; border-bottom: 2px solid var(--matrix-green); border-right: 2px solid var(--matrix-green); }
.detail-box:nth-child(even) { flex-direction: row-reverse; }
.d-text { flex: 1; }
.d-text h3 { font-size: 26px; color: #FFF; margin-bottom: 20px; text-shadow: var(--glow-effect); }
.d-text p { font-size: 15px; color: var(--text-muted); margin-bottom: 25px; line-height: 1.8; }
.d-data { display: inline-block; padding: 5px 15px; background: #000; border: 1px solid var(--matrix-green); color: var(--matrix-green); font-family: var(--font-mono); font-size: 14px; }
.d-visual { flex: 1; }
.d-visual img { opacity: 0.85; transition: 0.3s; }
.d-visual:hover img { opacity: 1; box-shadow: var(--glow-effect); }

/* 浏览器对比 */
.compare-box { background: var(--panel-bg); border: 1px solid var(--border-color); overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; text-align: left; font-family: var(--font-mono); }
.compare-table th, .compare-table td { padding: 18px 25px; border-bottom: 1px solid rgba(0,255,65,0.1); }
.compare-table th { color: var(--matrix-light-green); font-size: 14px; font-weight: bold; background: rgba(0, 255, 65, 0.05); text-transform: uppercase; }
.compare-table td { font-size: 14px; color: var(--text-muted); }
.compare-table .hl { color: var(--matrix-green); font-weight: bold; text-shadow: 0 0 5px rgba(0,255,65,0.5); }
.compare-table tr:last-child td { border-bottom: none; }

/* 下载版本区 */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.dl-card { background: var(--panel-bg); border: 1px solid var(--border-color); padding: 40px 25px; text-align: center; transition: 0.3s; }
.dl-card:hover { border-color: var(--matrix-light-green); box-shadow: 0 0 20px rgba(0,255,65,0.1); }
.dl-card.rec { border-color: var(--matrix-green); box-shadow: inset 0 0 30px rgba(0,255,65,0.1); }
.dl-card.rec h3 { color: #FFF; text-shadow: var(--glow-effect); }
.dl-card h3 { font-size: 22px; color: var(--matrix-light-green); margin-bottom: 15px; font-family: var(--font-mono); }
.dl-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 30px; height: 50px; text-align: left; }
.dl-card .btn { width: 100%; }

/* 数据背书 */
.data-sec { background: rgba(0, 20, 0, 0.9); border-top: 1px solid var(--matrix-green); border-bottom: 1px solid var(--matrix-green); padding: 60px 20px; margin: 80px 0; position: relative; }
.data-inner { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-around; }
.data-item { text-align: center; }
.data-item h4 { font-size: 54px; font-weight: bold; color: var(--matrix-green); margin-bottom: 5px; font-family: var(--font-mono); text-shadow: var(--glow-effect); }
.data-item p { font-size: 14px; color: var(--matrix-light-green); text-transform: uppercase; letter-spacing: 2px; }

/* FAQ */
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px; }
.faq-box { background: var(--panel-bg); border: 1px solid var(--border-color); padding: 25px; border-left: 3px solid var(--matrix-green); transition: 0.3s; }
.faq-box:hover { background: rgba(0, 255, 65, 0.05); }
.faq-box h4 { font-size: 16px; color: var(--matrix-light-green); margin-bottom: 12px; font-family: var(--font-mono); }
.faq-box h4::before { content: 'C:\> '; color: var(--matrix-dark-green); }
.faq-box p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Footer */
.footer { border-top: 1px dashed var(--border-color); text-align: center; padding: 40px 20px; color: var(--matrix-dark-green); font-size: 12px; font-family: var(--font-mono); margin-top: 60px; background: #000; }