/* 网站97 - 悬浮面板布局 主题：橙黄活力风 */
:root{--primary:#f39c12;--primary-light:#f1c40f;--primary-dark:#e67e22;--bg-light:#fffbf0;--bg-card:#fff;--text-dark:#2c3e50;--text-gray:#7f8c8d;--border:#fdebd0;--shadow:0 8px 30px rgba(243,156,18,0.2);--shadow-hover:0 15px 50px rgba(243,156,18,0.3)}
*{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-light);color:var(--text-dark);line-height:1.6}
a{text-decoration:none;color:inherit}
/* 顶部 */
.header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:20px 50px;display:flex;justify-content:space-between;align-items:center}
.logo h1{color:#fff;font-size:22px}
.logo p{color:rgba(255,255,255,0.85);font-size:12px}
.nav{display:flex;gap:8px;list-style:none}
.nav a{display:block;padding:10px 22px;color:#fff;border-radius:25px;font-size:14px;transition:all .3s}
.nav a:hover,.nav a.active{background:rgba(255,255,255,0.2)}
/* 横幅 */
.banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:80px 50px;text-align:center}
.banner h2{font-size:42px;color:#fff;margin-bottom:18px}
.banner p{font-size:17px;color:rgba(255,255,255,0.9);margin-bottom:30px}
.btn{display:inline-block;padding:14px 38px;background:#fff;color:var(--primary);border-radius:30px;font-weight:600;transition:all .3s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,0.15)}
/* 悬浮面板区 */
.panel-section{padding:70px 50px}
.section-title{text-align:center;margin-bottom:45px}
.section-title h3{font-size:30px;color:var(--text-dark);margin-bottom:10px}
.section-title p{font-size:15px;color:var(--text-gray)}
/* 悬浮卡片 */
.float-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1400px;margin:0 auto}
.float-card{background:var(--bg-card);border-radius:18px;padding:32px;box-shadow:var(--shadow);transition:all .4s;border:1px solid var(--border);position:relative;top:0}
.float-card:hover{top:-10px;box-shadow:var(--shadow-hover)}
.float-icon{width:55px;height:55px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.float-card h4{font-size:19px;color:var(--text-dark);margin-bottom:10px}
.float-card p{font-size:14px;color:var(--text-gray);line-height:1.6}
/* 价格 */
.price-section{background:#fff;padding:70px 50px}
.price-row{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1200px;margin:0 auto}
.price-item{background:var(--bg-light);border-radius:18px;padding:38px 28px;text-align:center;box-shadow:var(--shadow);transition:all .3s;border:2px solid transparent}
.price-item:hover{border-color:var(--primary)}
.price-item.featured{border-color:var(--primary);transform:scale(1.05)}
.price-item h4{font-size:20px;color:var(--text-dark);margin-bottom:8px}
.price-num{font-size:40px;font-weight:700;color:var(--primary)}
.price-num span{font-size:15px;color:var(--text-gray)}
.price-features{list-style:none;margin:22px 0}
.price-features li{padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text-gray)}
.btn-price{display:inline-block;padding:11px 32px;background:var(--primary);color:#fff;border-radius:25px;font-weight:600}
/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:70px 50px;text-align:center}
.cta-section h3{font-size:32px;color:#fff;margin-bottom:12px}
.cta-section p{font-size:15px;color:rgba(255,255,255,0.9);margin-bottom:28px}
/* 页脚 */
.footer{background:var(--text-dark);padding:55px 50px 25px}
.footer-row{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:35px}
.footer h4{color:#fff;font-size:18px;margin-bottom:14px}
.footer p,.footer a{color:rgba(255,255,255,0.6);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(255,255,255,0.4);font-size:14px}
/* 动画 */
@media(max-width:992px){.nav{display:none}.float-grid,.price-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.header{flex-direction:column;gap:15px;padding:15px 20px}.banner{padding:60px 20px}.banner h2{font-size:26px}.panel-section,.price-section,.cta-section{padding:50px 20px}.float-grid,.price-row{grid-template-columns:1fr}.price-item.featured{transform:none}}