/* 网站99 - 斜切分屏布局 主题：热情红色风 */
:root{--primary:#e74c3c;--primary-light:#ec7063;--primary-dark:#c0392b;--bg:#fff5f5;--bg-card:#fff;--text:#2c3e50;--text-light:#7f8c8d;--border:#fadbd8;--shadow:0 4px 20px rgba(231,76,60,0.15);--shadow-hover:0 12px 40px rgba(231,76,60,0.25)}
*{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:1.6}
a{text-decoration:none;color:inherit}
/* 导航 */
.top-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);padding:18px 50px;display:flex;justify-content:space-between;align-items:center}
.logo h1{color:#fff;font-size:20px}
.logo p{color:rgba(255,255,255,0.85);font-size:11px}
.nav-links{display:flex;gap:8px;list-style:none}
.nav-links a{display:block;padding:10px 22px;color:#fff;border-radius:25px;font-size:14px;transition:all .3s}
.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,0.2)}
/* 斜切横幅 */
.slant-banner{position:relative;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);padding:100px 50px;overflow:hidden}
.slant-banner::before{content:'';position:absolute;bottom:0;left:0;width:100%;height:80px;background:var(--bg);transform:skewY(-3deg);transform-origin:bottom left}
.slant-banner::after{content:'';position:absolute;bottom:-50px;right:0;width:50%;height:100px;background:var(--bg);transform:skewY(-3deg)}
.banner-content{position:relative;z-index:1;max-width:800px;text-align:center;margin:0 auto}
.banner-content h2{font-size:44px;color:#fff;margin-bottom:18px}
.banner-content p{font-size:17px;color:rgba(255,255,255,0.9);margin-bottom:32px}
.btn-primary{display:inline-block;padding:14px 40px;background:#fff;color:var(--primary);border-radius:30px;font-weight:600;transition:all .3s}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,0.2)}
/* 内容区 */
.section{padding:80px 50px}
.section:nth-child(even){background:var(--bg-card)}
.section-header{text-align:center;margin-bottom:50px}
.section-header h3{font-size:32px;color:var(--text);margin-bottom:12px}
.section-header p{font-size:16px;color:var(--text-light)}
/* 卡片网格 */
.split-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1400px;margin:0 auto}
.split-card{background:#fff;border-radius:16px;padding:32px;border:1px solid var(--border);transition:all .4s}
.split-card:hover{transform:translateY(-8px);border-color:var(--primary);box-shadow:var(--shadow-hover)}
.split-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}
.split-card h4{font-size:19px;color:var(--text);margin-bottom:10px}
.split-card p{font-size:14px;color:var(--text-light);line-height:1.7}
/* 价格 */
.price-tier{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1200px;margin:0 auto}
.price-box{background:#fff;border-radius:18px;padding:40px 28px;text-align:center;border:2px solid var(--border);transition:all .3s}
.price-box:hover{border-color:var(--primary)}
.price-box.featured{border-color:var(--primary);transform:scale(1.05)}
.price-box h4{font-size:21px;color:var(--text);margin-bottom:10px}
.price-val{font-size:42px;font-weight:700;color:var(--primary)}
.price-val span{font-size:16px;color:var(--text-light)}
.price-list{list-style:none;margin:25px 0}
.price-list li{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text-light)}
.btn-action{display:inline-block;padding:12px 35px;background:var(--primary);color:#fff;border-radius:25px;font-weight:600}
/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);padding:80px 50px;text-align:center}
.cta-section h3{font-size:34px;color:#fff;margin-bottom:14px}
.cta-section p{font-size:16px;color:rgba(255,255,255,0.9);margin-bottom:30px}
/* 页脚 */
.footer{background:var(--text);padding:55px 50px 25px}
.footer-layout{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(255,255,255,0.6);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}
@media(max-width:992px){.nav-links{display:none}.split-grid,.price-tier{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.top-header{flex-direction:column;gap:15px;padding:15px 20px}.slant-banner{padding:70px 20px}.banner-content h2{font-size:28px}.section,.cta-section,.footer{padding:50px 20px}.split-grid,.price-tier{grid-template-columns:1fr}.price-box.featured{transform:none}}