/* 网站95 - 视差滚动布局 主题：紫蓝渐变风 */
:root {--primary: #6c5ce7;--primary-light: #a29bfe;--primary-dark: #4834d4;--accent: #00cec9;--bg-light: #f5f6fa;--bg-card:#fff;--text-dark: #2d3436;--text-gray: #636e72;--border:#dfe6e9;--shadow:0 4px 20px rgba(108,92,231,0.15);--shadow-hover:0 15px 50px rgba(108,92,231,0.25)}
*{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-light);color:var(--text-dark);line-height:1.6}
a{text-decoration:none;color:inherit}
/* 导航 */
.nav-fixed{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);padding:15px 50px;display:flex;justify-content:space-between;align-items:center;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,0.05)}
.logo h1{font-size:20px;color:var(--primary)}
.logo p{font-size:11px;color:var(--text-gray)}
.nav-links{display:flex;gap:8px;list-style:none}
.nav-links a{display:block;padding:10px 20px;color:var(--text-dark);border-radius:25px;font-size:14px;transition:all .3s}
.nav-links a:hover,.nav-links a.active{background:var(--primary);color:#fff}
/* 视差区块 */
.parallax-section{position:relative;height:100vh;display:flex;align-items:center;justify-content:center;background-attachment:fixed;background-position:center;background-size:cover;overflow:hidden}
.parallax-bg{position:absolute;top:0;left:0;width:100%;height:120%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,var(--accent) 100%);z-index:-1}
.parallax-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.2);z-index:0}
.parallax-content{position:relative;z-index:1;text-align:center;color:#fff;max-width:800px;padding:20px}
.parallax-content h2{font-size:48px;margin-bottom:20px}
.parallax-content p{font-size:18px;opacity:.9;margin-bottom:30px}
.btn-primary{display:inline-block;padding:15px 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 30px rgba(0,0,0,.2)}
/* 普通区块 */
.content-section{padding:80px 50px}
.section-header{text-align:center;margin-bottom:50px}
.section-header h3{font-size:32px;color:var(--text-dark);margin-bottom:12px}
.section-header p{font-size:16px;color:var(--text-gray)}
/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1400px;margin:0 auto}
.card-item{background:var(--bg-card);border-radius:20px;padding:35px;box-shadow:var(--shadow);transition:all .4s;border:1px solid var(--border)}
.card-item:hover{transform:translateY(-10px);box-shadow:var(--shadow-hover)}
.card-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px}
.card-item h4{font-size:20px;color:var(--text-dark);margin-bottom:10px}
.card-item p{font-size:14px;color:var(--text-gray);line-height:1.7}
/* 统计条 */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:40px 50px;background:#fff}
.stat-box{text-align:center}
.stat-num{font-size:36px;font-weight:700;color:var(--primary)}
.stat-lbl{font-size:13px;color:var(--text-gray)}
/* 价格区 */
.pricing-section{background:var(--bg-light);padding:80px 50px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1200px;margin:0 auto}
.price-card{background:#fff;border-radius:20px;padding:40px 30px;text-align:center;box-shadow:var(--shadow);transition:all .3s;border:2px solid transparent}
.price-card:hover{transform:translateY(-8px)}
.price-card.featured{border-color:var(--primary);transform:scale(1.05)}
.price-card.featured:hover{transform:scale(1.05) translateY(-8px)}
.price-card h4{font-size:22px;color:var(--text-dark);margin-bottom:10px}
.price-amt{font-size:42px;font-weight:700;color:var(--primary)}
.price-amt span{font-size:16px;color:var(--text-gray)}
.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-gray)}
.btn-price{display:inline-block;padding:12px 35px;background:var(--primary);color:#fff;border-radius:25px;font-weight:600}
.btn-price:hover{background:var(--primary-dark)}
/* CTA区 */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);padding:80px 50px;text-align:center}
.cta-section h3{font-size:34px;color:#fff;margin-bottom:15px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:30px}
.btn-white{display:inline-block;padding:15px 45px;background:#fff;color:var(--primary);border-radius:30px;font-weight:600}
/* 页脚 */
.footer{background:var(--text-dark);padding:60px 50px 30px}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h4{font-size:20px;color:#fff;margin-bottom:15px}
.footer p,.footer a{font-size:14px;color:rgba(255,255,255,.6)}
.footer a:hover{color:#fff}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer-bottom{padding-top:30px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:14px;color:rgba(255,255,255,.4)}
/* 动画 */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
/* 响应式 */
@media(max-width:992px){.nav-links{display:none}.card-grid,.price-grid{grid-template-columns:repeat(2,1fr)}.footer-content{grid-template-columns:1fr}}
@media(max-width:768px){.nav-fixed{flex-direction:column;gap:15px;padding:15px 20px}.parallax-section{height:70vh}.parallax-content h2{font-size:28px}.content-section,.stats-bar,.pricing-section,.cta-section{padding:50px 20px}.card-grid,.price-grid{grid-template-columns:1fr}.price-card.featured{transform:none}}