/* 网站98 - 极简留白布局 主题：纯净白色风 */
:root{--primary:#3498db;--primary-light:#5dade2;--primary-dark:#2980b9;--bg:#ffffff;--bg-light:#f8f9fa;--text:#2c3e50;--text-light:#7f8c8d;--border:#ecf0f1;--shadow:0 2px 15px rgba(0,0,0,0.05);--shadow-hover:0 8px 30px rgba(0,0,0,0.1)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{text-decoration:none;color:inherit}
/* 导航 */
.nav-bar{background:#fff;padding:20px 60px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
.logo{font-size:20px;font-weight:700;color:var(--primary)}
.nav-list{display:flex;gap:8px;list-style:none}
.nav-list a{display:block;padding:10px 22px;color:var(--text);font-size:14px;border-radius:25px;transition:all .3s}
.nav-list a:hover,.nav-list a.active{background:var(--primary);color:#fff}
/* 英雄区 */
.hero{min-height:80vh;display:flex;align-items:center;justify-content:center;background:var(--bg-light);text-align:center;padding:40px}
.hero-content{max-width:700px}
.hero h2{font-size:42px;color:var(--text);margin-bottom:18px;letter-spacing:-1px}
.hero p{font-size:17px;color:var(--text-light);margin-bottom:35px}
.btn-outline{display:inline-block;padding:14px 40px;border:2px solid var(--primary);color:var(--primary);border-radius:30px;font-weight:600;transition:all .3s}
.btn-outline:hover{background:var(--primary);color:#fff}
/* 内容区 */
.content{padding:80px 60px}
.content:nth-child(even){background:var(--bg-light)}
.section-header{text-align:center;margin-bottom:50px}
.section-header h3{font-size:30px;color:var(--text);margin-bottom:12px}
.section-header p{font-size:15px;color:var(--text-light)}
/* 卡片 */
.simple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1200px;margin:0 auto}
.simple-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:35px;transition:all .3s}
.simple-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover)}
.simple-card h4{font-size:18px;color:var(--text);margin-bottom:10px}
.simple-card p{font-size:14px;color:var(--text-light)}
/* 价格 */
.price-row{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1100px;margin:0 auto}
.price-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:40px 30px;text-align:center;transition:all .3s}
.price-card:hover{border-color:var(--primary)}
.price-card.featured{background:var(--primary);color:#fff;border-color:var(--primary)}
.price-card h4{font-size:20px;margin-bottom:10px}
.price-card.featured h4,.price-card.featured p{color:#fff}
.price-amt{font-size:42px;font-weight:700;color:var(--primary)}
.price-card.featured .price-amt{color:#fff}
.price-features{list-style:none;margin:25px 0}
.price-features li{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text-light)}
.price-card.featured .price-features li{color:rgba(255,255,255,0.9);border-color:rgba(255,255,255,0.2)}
.btn-simple{display:inline-block;padding:12px 35px;background:var(--primary);color:#fff;border-radius:25px;font-weight:600}
.price-card.featured .btn-simple{background:#fff;color:var(--primary)}
/* CTA */
.cta-area{background:var(--bg-light);padding:80px 60px;text-align:center}
.cta-area h3{font-size:32px;color:var(--text);margin-bottom:12px}
.cta-area p{font-size:15px;color:var(--text-light);margin-bottom:30px}
/* 页脚 */
.footer{background:var(--text);color:#fff;padding:50px 60px 25px}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:35px}
.footer h4{color:#fff;font-size:18px;margin-bottom:15px}
.footer p,.footer a{color:rgba(255,255,255,0.7);font-size:14px}
.footer a:hover{color:#fff}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer-bottom{padding-top:25px;border-top:1px solid rgba(255,255,255,0.1);text-align:center;color:rgba(255,255,255,0.5);font-size:14px}
@media(max-width:992px){.nav-list{display:none}.simple-grid,.price-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.nav-bar{flex-direction:column;gap:15px;padding:15px 20px}.hero{min-height:60vh}.hero h2{font-size:28px}.content,.cta-area,.footer{padding:50px 20px}.simple-grid,.price-row{grid-template-columns:1fr}.price-card.featured{transform:none}}