/* 网站132 - 左右分栏布局 */
:root { --primary: #047857; --secondary: #10B981; --accent: #34D399; --text: #1e293b; --text-light: #64748b; --bg: #f8fafc; --white: #ffffff; --radius: 12px; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", sans-serif; background: var(--bg); color: var(--text); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 顶部条 */
.top-bar { background: var(--primary); color: var(--white); padding: 6px 0; font-size: 12px; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }

/* 头部左右布局 */
.header { background: var(--white); border-bottom: 3px solid var(--primary); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.navbar { padding: 15px 0; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }

/* Logo左对齐 */
.logo { font-size: 24px; font-weight: 800; color: var(--primary); text-decoration: none; letter-spacing: 1px; }

/* 导航右对齐 */
.nav-menu { display: flex; gap: 8px; list-style: none; align-items: center; }
.nav-menu a { display: block; padding: 8px 14px; color: var(--text); text-decoration: none; border-radius: 6px; transition: all 0.3s; font-size: 14px; }
.nav-menu a:hover { background: rgba(4,120,87,0.1); color: var(--primary); }
.nav-menu a.active { background: var(--primary); color: var(--white); }

/* 英雄区 */
.hero { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); padding: 90px 0; color: var(--white); }
.hero h1 { font-size: 36px; margin-bottom: 15px; font-weight: 700; }
.hero p { font-size: 17px; opacity: 0.95; max-width: 600px; }

/* 功能区 - 4列 */
.features { padding: 60px 0; background: var(--white); }
.section-title { text-align: center; font-size: 26px; margin-bottom: 40px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card { padding: 25px 20px; border-radius: var(--radius); background: var(--bg); text-align: center; border: 1px solid #e2e8f0; transition: all 0.3s; }
.feature-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.feature-icon { width: 50px; height: 50px; background: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; color: var(--white); font-size: 22px; }
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-light); }

/* 内容区 */
.content-area { padding: 50px 0; background: var(--bg); }
.content-section { background: var(--white); padding: 30px; border-radius: var(--radius); margin-bottom: 20px; border-left: 4px solid var(--primary); }
.content-section h2 { font-size: 20px; color: var(--primary); margin-bottom: 10px; }
.content-section p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* CTA */
.cta { background: var(--primary); padding: 50px 0; text-align: center; color: var(--white); }
.cta h2 { font-size: 26px; }
.cta .btn { display: inline-block; padding: 12px 30px; background: var(--white); color: var(--primary); border-radius: 6px; font-weight: 600; text-decoration: none; margin-top: 15px; }

/* 底部 */
.footer { background: #0c3d2e; color: var(--white); padding: 40px 0 20px; }
.footer-content { display: flex; justify-content: space-between; gap: 40px; }
.footer-section h4 { font-size: 15px; margin-bottom: 12px; color: var(--accent); }
.footer-section p { color: #6b9c89; font-size: 13px; margin-bottom: 6px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #1a5c46; color: #4a7c69; font-size: 12px; }

.mobile-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--primary); }

@media (max-width: 992px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .navbar .container { flex-wrap: wrap; }
    .mobile-toggle { display: flex; }
    .nav-menu { display: none; width: 100%; flex-direction: column; margin-top: 15px; }
    .nav-menu.active { display: flex; }
    .nav-menu a { text-align: center; }
    .footer-content { flex-direction: column; }
    .hero h1 { font-size: 26px; }
}