/* 搜狗浏览器 - 简洁样式 */
:root {
    --primary: #00A6F6;
    --primary-dark: #0088d4;
    --text: #333;
    --text-light: #666;
    --bg: #fff;
    --bg-light: #f5f5f5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--text); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--primary); }
.logo svg { display: block; }
nav { display: flex; gap: 24px; }
nav a { color: var(--text-light); font-weight: 500; transition: color 0.3s; }
nav a:hover { color: var(--primary); }

/* Hero */
.hero { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); padding: 80px 0; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 12px; }
.hero .subtitle { font-size: 20px; color: var(--primary); font-weight: 600; margin-bottom: 16px; }
.hero .desc { color: var(--text-light); margin-bottom: 24px; }
.btns { display: flex; gap: 16px; margin-bottom: 32px; }
.btn { display: inline-flex; align-items: center; padding: 12px 28px; border-radius: 8px; font-weight: 600; transition: all 0.3s; }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn:not(.primary):hover { background: #eee; }
.stats { display: flex; gap: 32px; }
.stats div { display: flex; flex-direction: column; }
.stats b { font-size: 28px; color: var(--primary); }
.stats span { font-size: 14px; color: var(--text-light); }

/* Browser Mockup */
.browser { background: #fff; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.15); overflow: hidden; }
.browser .bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: #f5f5f5; border-bottom: 1px solid #eee; }
.browser .bar span { width: 12px; height: 12px; border-radius: 50%; background: #ef4444; }
.browser .bar span:nth-child(2) { background: #f59e0b; }
.browser .bar span:nth-child(3) { background: #22c55e; }
.browser .bar input { flex: 1; padding: 8px 16px; border: none; border-radius: 6px; background: #fff; font-size: 13px; }
.browser .body { height: 200px; background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%); }

/* Features */
.features { padding: 80px 0; background: #fff; }
.features h2 { text-align: center; font-size: 32px; margin-bottom: 48px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { padding: 32px 24px; border-radius: 12px; text-align: center; background: var(--bg-light); transition: all 0.3s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.card .icon { font-size: 40px; margin-bottom: 16px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--text-light); }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 80px 0; text-align: center; color: #fff; }
.cta h2 { font-size: 32px; margin-bottom: 12px; }
.cta p { margin-bottom: 24px; opacity: 0.9; }
.cta .btn.white { background: #fff; color: var(--primary); }
.cta .btn.white:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }

/* Footer */
footer { background: #1a1a2e; color: #fff; padding: 32px 0; text-align: center; }
footer p { font-size: 14px; opacity: 0.6; }

/* Responsive */
@media (max-width: 768px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 36px; }
    .btns, .stats { justify-content: center; }
    .hero-img { display: none; }
    .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .grid { grid-template-columns: 1fr; }
    .stats { flex-wrap: wrap; gap: 20px; }
}