/* roulang page: index */
:root {
            --primary: #1E5FBB;
            --primary-dark: #154A8A;
            --primary-light: #3B7DD8;
            --accent: #E85D04;
            --accent-dark: #C44D03;
            --accent-light: #FF7B2E;
            --bg: #F5F7FA;
            --bg-white: #FFFFFF;
            --bg-light: #F8FAFC;
            --bg-muted: #F1F5F9;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-light: #94A3B8;
            --text-white: #FFFFFF;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 6px 24px rgba(0,0,0,0.12);
            --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --font-h1: 36px;
            --font-h2: 28px;
            --font-h3: 20px;
            --font-body: 16px;
            --font-sm: 14px;
            --font-xs: 12px;
            --line-h1: 48px;
            --line-h2: 36px;
            --line-h3: 28px;
            --line-body: 26px;
            --line-sm: 20px;
            --max-width: 1280px;
            --nav-height: 64px;
            --topbar-height: 36px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","思源黑体","阿里巴巴普惠体",-apple-system,BlinkMacSystemFont,sans-serif;font-size:var(--font-body);line-height:var(--line-body);color:var(--text);background:var(--bg);min-height:100vh;overflow-x:hidden}
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;outline:none}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3}
        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
        @media(max-width:768px){.container{padding:0 16px}}
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
        .topbar{background:var(--primary);color:var(--text-white);height:var(--topbar-height);font-size:var(--font-xs);line-height:var(--topbar-height);position:relative;z-index:1001}
        .topbar .container{display:flex;justify-content:space-between;align-items:center;height:100%}
        .topbar-left{display:flex;align-items:center;gap:8px;opacity:0.9}
        .topbar-left .dot{width:6px;height:6px;background:#4ADE80;border-radius:50%;animation:pulse-dot 2s infinite}
        @keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.4}}
        .topbar-right{display:flex;align-items:center;gap:16px}
        .topbar-right a{color:var(--text-white);opacity:0.85;transition:opacity var(--transition-fast);font-size:var(--font-xs)}
        .topbar-right a:hover{opacity:1;text-decoration:underline}
        .topbar-right .sep{width:1px;height:12px;background:rgba(255,255,255,0.3)}
        @media(max-width:768px){.topbar{display:none}}
        .main-nav{background:var(--bg-white);height:var(--nav-height);box-shadow:0 2px 8px rgba(0,0,0,0.05);position:sticky;top:0;z-index:1000;transition:box-shadow var(--transition-base)}
        .main-nav.scrolled{box-shadow:0 4px 16px rgba(0,0,0,0.1)}
        .main-nav .container{display:flex;align-items:center;justify-content:space-between;height:100%}
        .nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text);white-space:nowrap}
        .nav-brand .logo-icon{width:40px;height:40px;background:var(--primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;position:relative;clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%)}
        .nav-brand .logo-icon i{position:relative;z-index:1;font-size:16px}
        .nav-menu{display:flex;align-items:center;gap:4px}
        .nav-menu a{display:block;padding:8px 18px;font-size:var(--font-sm);font-weight:500;color:var(--text);border-radius:var(--radius-sm);transition:all var(--transition-fast);position:relative}
        .nav-menu a:hover,.nav-menu a.active{color:var(--primary)}
        .nav-menu a::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:3px;background:var(--accent);border-radius:2px;transition:width var(--transition-base)}
        .nav-menu a:hover::after,.nav-menu a.active::after{width:24px}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .btn-nav{font-size:var(--font-sm);font-weight:600;padding:8px 20px;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:var(--primary);color:#fff}
        .btn-nav:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;width:40px;height:32px;justify-content:center;z-index:1002}
        .hamburger span{display:block;width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:all var(--transition-base);transform-origin:center}
        .hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
        @media(max-width:768px){
            .hamburger{display:flex}
            .nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg-white);flex-direction:column;padding:80px 24px 32px;gap:4px;box-shadow:-4px 0 24px rgba(0,0,0,0.1);transition:right var(--transition-base);z-index:1001;align-items:stretch}
            .nav-menu.open{right:0}
            .nav-menu a{padding:12px 16px;font-size:16px;border-radius:var(--radius-md)}
            .nav-actions{display:none}
            .mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:1000;opacity:0;pointer-events:none;transition:opacity var(--transition-base)}
            .mobile-overlay.show{opacity:1;pointer-events:auto}
        }
        .hero{position:relative;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;min-height:560px;display:flex;align-items:center;overflow:hidden;clip-path:polygon(0 0,100% 0,100% 92%,0 100%)}
        .hero::before{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(30,95,187,0.88) 0%,rgba(30,95,187,0.55) 45%,rgba(30,95,187,0.25) 100%);z-index:1}
        .hero .container{position:relative;z-index:2;display:flex;align-items:center;min-height:560px}
        .hero-content{max-width:620px;padding:48px 0}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:var(--font-sm);font-weight:700;padding:8px 18px;border-radius:var(--radius-sm);clip-path:polygon(0 0,100% 0,94% 100%,0% 100%);margin-bottom:20px;letter-spacing:0.5px;animation:fadeInUp 0.6s ease}
        .hero-badge .badge-dot{width:8px;height:8px;background:#fff;border-radius:50%;animation:pulse-dot 1.5s infinite}
        @keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
        .hero h1{font-size:var(--font-h1);line-height:var(--line-h1);font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:-0.5px;text-shadow:0 2px 8px rgba(0,0,0,0.2)}
        .hero-subtitle{font-size:18px;line-height:28px;color:rgba(255,255,255,0.9);margin-bottom:32px;max-width:480px}
        .hero-cta{display:flex;gap:16px;flex-wrap:wrap}
        .btn-primary{padding:14px 32px;font-size:var(--font-body);font-weight:600;border-radius:var(--radius-sm);background:var(--accent);color:#fff;transition:all var(--transition-base);display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 16px rgba(232,93,4,0.35)}
        .btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,93,4,0.45)}
        .btn-outline-light{padding:14px 32px;font-size:var(--font-body);font-weight:600;border-radius:var(--radius-sm);border:2px solid rgba(255,255,255,0.8);color:#fff;background:transparent;transition:all var(--transition-base);display:inline-flex;align-items:center;gap:8px}
        .btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
        .hero-stats{display:flex;gap:32px;margin-top:36px;flex-wrap:wrap}
        .hero-stat{color:#fff}
        .hero-stat .stat-num{font-size:28px;font-weight:700;line-height:1;display:block}
        .hero-stat .stat-label{font-size:var(--font-xs);opacity:0.8;margin-top:4px}
        @media(max-width:768px){
            .hero{min-height:auto;clip-path:polygon(0 0,100% 0,100% 95%,0 100%)}
            .hero .container{min-height:auto}
            .hero-content{padding:40px 0}
            .hero h1{font-size:26px;line-height:36px}
            .hero-subtitle{font-size:15px;line-height:24px}
            .hero-stats{gap:20px}
            .hero-stat .stat-num{font-size:22px}
            .btn-primary,.btn-outline-light{padding:12px 24px;font-size:15px;width:100%;justify-content:center}
            .hero-cta{flex-direction:column}
        }
        section{padding:var(--section-gap) 0}
        @media(max-width:768px){section{padding:var(--section-gap-mobile) 0}}
        .section-header{text-align:center;margin-bottom:48px}
        .section-header h2{font-size:var(--font-h2);line-height:var(--line-h2);font-weight:700;color:var(--text);margin-bottom:8px;display:inline-block;position:relative}
        .section-header h2::after{content:'';display:block;width:40px;height:3px;background:var(--accent);margin:8px auto 0;border-radius:2px}
        .section-header p{color:var(--text-secondary);font-size:var(--font-body);max-width:600px;margin:12px auto 0}
        @media(max-width:768px){.section-header h2{font-size:22px;line-height:30px}}
        .features-grid{display:grid;grid-template-columns:1.2fr 1fr 0.9fr 1.1fr;gap:20px}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-md);padding:28px 24px;box-shadow:var(--shadow-sm);transition:all var(--transition-base);border:1px solid var(--border);position:relative;overflow:hidden}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
        .feature-card .icon-wrap{width:52px;height:52px;background:var(--bg-muted);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:16px;clip-path:polygon(50% 0%,100% 20%,100% 80%,50% 100%,0% 80%,0% 20%);transition:all var(--transition-base)}
        .feature-card:hover .icon-wrap{background:var(--primary);color:#fff}
        .feature-card .icon-wrap i{font-size:20px;color:var(--primary);transition:color var(--transition-base)}
        .feature-card:hover .icon-wrap i{color:#fff}
        .feature-card h3{font-size:var(--font-h3);line-height:var(--line-h3);font-weight:600;margin-bottom:6px;color:var(--text)}
        .feature-card h3::after{content:'';display:block;width:28px;height:3px;background:var(--accent);margin-top:6px;border-radius:2px}
        .feature-card p{color:var(--text-secondary);font-size:var(--font-sm);line-height:var(--line-sm)}
        @media(max-width:1024px){.features-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.features-grid{grid-template-columns:1fr}}
        .scene-block{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-bottom:0}
        .scene-block:nth-child(even){direction:rtl}
        .scene-block:nth-child(even) .scene-text{direction:ltr}
        .scene-block:nth-child(even) .scene-img{direction:ltr}
        .scene-img{position:relative;overflow:hidden;border-radius:var(--radius-md);min-height:320px}
        .scene-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .scene-block:hover .scene-img img{transform:scale(1.05)}
        .scene-img::after{content:'';position:absolute;inset:0;background:rgba(30,95,187,0.15);pointer-events:none}
        .scene-text{padding:40px;display:flex;flex-direction:column;justify-content:center}
        .scene-text h3{font-size:22px;font-weight:700;margin-bottom:12px;color:var(--text)}
        .scene-text h3::after{content:'';display:block;width:36px;height:3px;background:var(--accent);margin-top:8px;border-radius:2px}
        .scene-text p{color:var(--text-secondary);margin-bottom:16px;line-height:var(--line-body)}
        .scene-text .link-arrow{color:var(--primary);font-weight:600;font-size:var(--font-sm);display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition-fast)}
        .scene-text .link-arrow:hover{gap:12px;color:var(--accent)}
        @media(max-width:768px){
            .scene-block{grid-template-columns:1fr}
            .scene-block:nth-child(even){direction:ltr}
            .scene-img{min-height:220px}
            .scene-text{padding:24px 0}
        }
        .testimonials-wrap{position:relative}
        .testimonials-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;padding:8px 0 16px}
        .testimonials-scroll::-webkit-scrollbar{display:none}
        .testimonial-card{flex:0 0 340px;scroll-snap-align:start;background:var(--bg-white);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all var(--transition-base);min-width:300px}
        .testimonial-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
        .testimonial-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
        .testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--bg-muted);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary);font-size:18px;flex-shrink:0}
        .testimonial-stars{color:var(--accent);font-size:13px;letter-spacing:1px}
        .testimonial-quote{font-style:italic;color:var(--text);font-size:var(--font-sm);line-height:var(--line-body);margin-bottom:12px}
        .testimonial-source{display:inline-block;font-size:var(--font-xs);background:var(--bg-muted);padding:4px 12px;border-radius:20px;color:var(--text-secondary)}
        .scroll-arrows{display:flex;gap:8px;justify-content:center;margin-top:16px}
        .scroll-arrow{width:40px;height:40px;border-radius:50%;background:var(--bg-white);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);color:var(--text);font-size:16px}
        .scroll-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-md)}
        @media(max-width:768px){.testimonial-card{flex:0 0 85vw;min-width:auto}}
        .pricing-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:24px;align-items:start}
        .pricing-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all var(--transition-base);position:relative;text-align:center}
        .pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
        .pricing-card.featured{background:var(--bg-white);border:2px solid var(--primary);box-shadow:var(--shadow-lg);transform:scale(1.04);z-index:2;padding:36px 28px}
        .pricing-card.featured:hover{transform:scale(1.04) translateY(-4px)}
        .pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:var(--font-xs);font-weight:700;padding:6px 20px;border-radius:var(--radius-sm);clip-path:polygon(0 0,100% 0,94% 100%,6% 100%);white-space:nowrap}
        .pricing-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
        .pricing-price{font-size:40px;font-weight:700;color:var(--primary);margin:16px 0}
        .pricing-price span{font-size:16px;font-weight:400;color:var(--text-secondary)}
        .pricing-features{list-style:none;text-align:left;margin:20px 0}
        .pricing-features li{padding:8px 0;font-size:var(--font-sm);color:var(--text-secondary);display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border-light)}
        .pricing-features li i{color:#4ADE80;font-size:12px;flex-shrink:0}
        .pricing-card .btn-primary{width:100%;justify-content:center;margin-top:8px}
        .pricing-card:not(.featured) .btn-primary{background:var(--primary)}
        .pricing-card:not(.featured) .btn-primary:hover{background:var(--primary-dark)}
        @media(max-width:768px){.pricing-grid{grid-template-columns:1fr;gap:20px}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-4px)}}
        .news-section{background:var(--bg-white);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1.5fr 1fr;gap:40px}
        .news-list h3{font-size:20px;font-weight:700;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border)}
        .news-list ul{list-style:none}
        .news-list li{padding:14px 0;border-bottom:1px solid var(--border-light);transition:all var(--transition-fast)}
        .news-list li:hover{padding-left:8px}
        .news-list li a{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--text);font-weight:500;font-size:var(--font-sm)}
        .news-list li a:hover{color:var(--primary)}
        .news-list .news-date{font-size:var(--font-xs);color:var(--text-light);white-space:nowrap;flex-shrink:0}
        .news-highlight{background:var(--bg-muted);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:12px}
        .news-highlight img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius-sm)}
        .news-highlight h4{font-size:16px;font-weight:600}
        .news-highlight p{font-size:var(--font-sm);color:var(--text-secondary);line-height:var(--line-sm)}
        .news-highlight .link-arrow{color:var(--primary);font-weight:600;font-size:var(--font-sm);display:inline-flex;align-items:center;gap:6px;margin-top:auto}
        @media(max-width:768px){.news-section{grid-template-columns:1fr;padding:24px;gap:24px}}
        .tier-progress{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .tier-card{background:var(--bg-white);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border);text-align:center;transition:all var(--transition-base);position:relative}
        .tier-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
        .tier-card .tier-level{font-size:var(--font-xs);font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
        .tier-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
        .tier-card .tier-price{font-size:28px;font-weight:700;color:var(--primary);margin:12px 0}
        .tier-card .tier-price s{font-size:14px;color:var(--text-light);font-weight:400}
        .tier-card .tier-tag{display:inline-block;background:#FEF3C7;color:#B45309;font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px;margin-bottom:10px}
        .tier-card .tier-limit{font-size:11px;color:var(--accent);font-weight:600;margin-bottom:8px}
        .btn-tier{padding:10px 24px;font-size:var(--font-sm);font-weight:600;border-radius:var(--radius-sm);background:var(--primary);color:#fff;transition:all var(--transition-base);display:inline-block;width:100%}
        .btn-tier:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
        .btn-tier.premium{background:var(--accent)}
        .btn-tier.premium:hover{background:var(--accent-dark)}
        @media(max-width:768px){.tier-progress{grid-template-columns:1fr}}
        .faq-wrap{max-width:800px;margin:0 auto}
        .faq-item{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:var(--bg-white);transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--primary-light)}
        .faq-question{width:100%;padding:18px 20px;background:var(--bg-light);border:none;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:all var(--transition-fast)}
        .faq-question:hover{background:#EDF2F9}
        .faq-icon{width:24px;height:24px;flex-shrink:0;transition:transform var(--transition-base);position:relative}
        .faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--primary);border-radius:2px}
        .faq-icon::before{width:14px;height:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
        .faq-icon::after{width:2px;height:14px;top:50%;left:50%;transform:translate(-50%,-50%);transition:transform var(--transition-base)}
        .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow),padding var(--transition-slow);background:var(--bg-white)}
        .faq-item.open .faq-answer{max-height:300px}
        .faq-answer-inner{padding:0 20px 20px;color:var(--text-secondary);line-height:var(--line-body);font-size:var(--font-sm)}
        .cta-banner{background:var(--primary);border-radius:var(--radius-lg);padding:48px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
        .cta-banner::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
        .cta-banner h2{font-size:28px;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
        .cta-banner p{font-size:var(--font-body);opacity:0.9;margin-bottom:24px;position:relative;z-index:1;max-width:500px;margin-left:auto;margin-right:auto}
        .cta-banner .btn-primary{background:#fff;color:var(--primary);box-shadow:var(--shadow-lg);position:relative;z-index:1}
        .cta-banner .btn-primary:hover{background:#fff;color:var(--primary-dark);box-shadow:var(--shadow-xl)}
        @media(max-width:768px){.cta-banner{padding:32px 20px}.cta-banner h2{font-size:22px}}
        .float-bar{position:fixed;bottom:0;left:0;right:0;background:var(--bg-white);border-top:2px solid var(--accent);box-shadow:0 -4px 20px rgba(0,0,0,0.1);z-index:999;padding:12px 24px;display:flex;align-items:center;justify-content:center;gap:20px;transform:translateY(100%);transition:transform var(--transition-base)}
        .float-bar.visible{transform:translateY(0)}
        .float-bar .float-text{font-weight:600;font-size:var(--font-sm);color:var(--text)}
        .float-bar .float-cta{padding:10px 24px;font-size:var(--font-sm);font-weight:600;border-radius:var(--radius-sm);background:var(--accent);color:#fff;transition:all var(--transition-fast);white-space:nowrap}
        .float-bar .float-cta:hover{background:var(--accent-dark);box-shadow:var(--shadow-md)}
        .float-bar .float-close{width:28px;height:28px;border-radius:50%;background:var(--bg-muted);border:none;cursor:pointer;font-size:14px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
        .float-bar .float-close:hover{background:var(--border);color:var(--text)}
        @media(max-width:520px){.float-bar{gap:10px;padding:10px 16px;flex-wrap:wrap}.float-bar .float-text{font-size:12px}}
        .site-footer{background:#1E293B;color:#CBD5E1;padding:48px 0 0}
        .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px}
        .footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--accent);display:inline-block}
        .footer-col p,.footer-col li{font-size:var(--font-sm);line-height:var(--line-sm);margin-bottom:8px}
        .footer-col ul{list-style:none}
        .footer-col ul li a{color:#CBD5E1;transition:color var(--transition-fast);font-size:var(--font-sm)}
        .footer-col ul li a:hover{color:var(--accent)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;text-align:center;font-size:var(--font-xs);color:#94A3B8}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}}
        .back-to-top{position:fixed;bottom:80px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md);z-index:998;opacity:0;pointer-events:none;transition:all var(--transition-base);font-size:18px;border:none}
        .back-to-top.visible{opacity:1;pointer-events:auto}
        .back-to-top:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}