:root{--primary:#000000;--secondary:#6c47ff;--secondary-hover:#5835e0;--bg:#f8f9fa;--text:#333;--text-light:#666;--white:#fff;--border:#e1e1e1;--shadow:0 4px 20px rgba(0,0,0,0.08);--radius:12px;--gap:30px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:var(--text);background:var(--bg);margin:0;padding:0}.container{width:92%;max-width:1200px;margin:0 auto;padding:0 15px}section{padding:80px 0}h1,h2,h3,h4{line-height:1.2;margin-bottom:15px;color:var(--primary)}h1{font-size:2.5rem;font-weight:800}h2{font-size:2rem;text-align:center;margin-bottom:50px;position:relative}h2::after{content:'';display:block;width:60px;height:4px;background:var(--secondary);margin:15px auto 0;border-radius:2px}h3{font-size:1.25rem;margin-bottom:10px}.text-center{text-align:center}.bg-light{background:#fff}.btn{display:inline-block;padding:12px 32px;background:var(--secondary);color:var(--white);border-radius:50px;font-weight:600;transition:all 0.3s ease;cursor:pointer;border:2px solid var(--secondary);font-size:1rem}.btn:hover{background:var(--secondary-hover);border-color:var(--secondary-hover);transform:translateY(-2px);box-shadow:0 5px 15px rgba(108,71,255,0.3)}.btn-outline{background:transparent;border:2px solid var(--white);color:var(--white)}.btn-outline:hover{background:var(--white);color:var(--primary)}.text-link{color:var(--secondary);font-weight:600;border:none;background:none;cursor:pointer;padding:0;font-size:0.95rem;text-decoration:underline;text-underline-offset:4px}.text-link:hover{color:var(--secondary-hover)}img{max-width:100%;height:auto;display:block}header{background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);box-shadow:0 2px 10px rgba(0,0,0,0.05);position:sticky;top:0;z-index:1000;transition:all 0.3s}nav{display:flex;justify-content:space-between;align-items:center;height:80px}.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-0.5px}.nav-links{display:flex;gap:30px;list-style:none}.nav-links a{color:var(--text);font-weight:500;font-size:0.95rem;transition:color 0.3s}.nav-links a:hover{color:var(--secondary)}.menu-toggle{display:none;font-size:24px;cursor:pointer;color:var(--primary)}.hero{background:linear-gradient(135deg,#000 0%,#1a1a1a 100%);color:var(--white);padding:100px 0 80px;position:relative;overflow:hidden}.hero-content{max-width:800px;margin:0 auto;text-align:center;position:relative;z-index:2}.hero p{font-size:1.1rem;margin-bottom:30px;opacity:0.9;max-width:600px;margin-left:auto;margin-right:auto}.hero-cta{display:flex;gap:15px;justify-content:center;margin-bottom:40px}.hero-img{margin-top:40px;border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,0.3)}.breadcrumbs{margin-top:30px;font-size:0.85rem;color:rgba(255,255,255,0.5)}.breadcrumbs span{margin:0 5px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.product-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform 0.3s ease,box-shadow 0.3s ease;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.12)}.card-img{height:250px;background:#f4f4f4;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-img img{width:80%;height:auto;transition:transform 0.5s}.product-card:hover .card-img img{transform:scale(1.05)}.card-body{padding:25px;flex-grow:1;display:flex;flex-direction:column;align-items:flex-start}.card-body h3{margin-bottom:10px}.card-body p{font-size:0.95rem;color:var(--text-light);margin-bottom:20px;flex-grow:1}.compare-table-wrapper{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.compare-card{background:var(--white);flex:1;min-width:280px;max-width:350px;padding:30px;border-radius:var(--radius);border:1px solid var(--border);position:relative}.compare-card.highlight{border-color:var(--secondary);box-shadow:0 0 0 1px var(--secondary),var(--shadow);transform:scale(1.02);z-index:2}.compare-card h3{text-align:center;margin-bottom:25px;padding-bottom:15px;border-bottom:1px solid #eee}.compare-card ul{list-style:none;padding:0}.compare-card li{margin-bottom:15px;font-size:0.95rem;display:flex;justify-content:space-between;border-bottom:1px dashed #eee;padding-bottom:10px}.compare-card li:last-child{border-bottom:none}.compare-card li strong{color:var(--primary)}.center-btn-wrapper{text-align:center;margin-top:40px}.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.tutorial-item{background:var(--white);border-radius:var(--radius);padding:25px;text-align:center;box-shadow:var(--shadow)}.tutorial-item img{width:80px;height:80px;object-fit:cover;border-radius:12px;margin:0 auto 20px}.tutorial-item p{font-size:0.9rem;color:var(--text-light);margin-bottom:15px}.read-more{color:var(--secondary);font-weight:600;font-size:0.9rem;border:none;background:none;cursor:pointer}.news-list{max-width:800px;margin:0 auto}.news-item{background:var(--white);border-radius:8px;margin-bottom:15px;border:1px solid var(--border);overflow:hidden}.news-trigger{display:flex;justify-content:space-between;align-items:center;padding:20px;margin:0;cursor:pointer;background:var(--white);font-size:1.1rem;font-weight:600;transition:background 0.2s}.news-trigger:hover{background:#fafafa}.news-date{font-size:0.8rem;color:#999;font-weight:400;margin-right:15px;background:#f0f0f0;padding:2px 8px;border-radius:4px}.news-trigger .icon{font-weight:300;font-size:1.5rem;color:var(--secondary);transition:transform 0.3s}.news-trigger[aria-expanded="true"] .icon{transform:rotate(45deg)}.news-content{max-height:0;overflow:hidden;transition:max-height 0.3s cubic-bezier(0,1,0,1)}.news-inner{padding:0 20px 20px;color:var(--text-light);font-size:0.95rem}.news-inner img{margin-top:15px;border-radius:8px;width:100%}.faq-wrapper{max-width:800px;margin:0 auto}.faq-item{margin-bottom:15px;border-bottom:1px solid var(--border)}.faq-question{width:100%;text-align:left;padding:20px 0;background:none;border:none;font-size:1.1rem;font-weight:600;color:var(--primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-question .arrow{font-size:0.8rem;transition:transform 0.3s;color:#999}.faq-question[aria-expanded="true"]{color:var(--secondary)}.faq-question[aria-expanded="true"] .arrow{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease;color:var(--text-light)}.faq-answer p{padding-bottom:20px}.about-content{max-width:800px;margin:0 auto;text-align:center}.about-content p{margin-bottom:20px;font-size:1.05rem}.risk-box{background:#fff0f0;border-left:4px solid #ff4d4f;padding:30px;border-radius:8px;max-width:900px;margin:0 auto}.risk-box h2{color:#d63031;font-size:1.5rem;margin-bottom:20px}.risk-box h2::after{display:none}.risk-box ul{margin-left:20px;color:#d63031}.risk-box li{margin-bottom:10px}footer{background:#111;color:#888;padding:60px 0 30px;font-size:0.9rem}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:30px}.footer-links a{color:#bbb;transition:color 0.3s}.footer-links a:hover{color:var(--white)}.sep{color:#333}.friend-links{text-align:center;margin-bottom:30px;padding-top:20px;border-top:1px solid #222}.friend-links h4{display:inline-block;color:#555;font-size:0.9rem;margin-right:10px}.friend-links a{margin:0 10px;color:#666;font-size:0.85rem}.friend-links a:hover{color:#888;text-decoration:underline}.copyright{text-align:center;color:#444}.cs-float{position:fixed;right:20px;bottom:30px;z-index:990;animation:float 3s ease-in-out infinite}.cs-bar{display:none;position:fixed;bottom:0;left:0;width:100%;background:var(--secondary);color:var(--white);text-align:center;padding:15px;z-index:999;font-weight:700;box-shadow:0 -2px 10px rgba(0,0,0,0.1);cursor:pointer}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}100%{transform:translateY(0)}}@media(max-width:1024px){h1{font-size:2rem}.tutorial-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){section{padding:50px 0}h2{font-size:1.6rem}.nav-links{display:none;position:absolute;top:80px;left:0;width:100%;background:var(--white);flex-direction:column;padding:20px 0;box-shadow:0 10px 20px rgba(0,0,0,0.1);gap:0}.nav-links.active{display:flex}.nav-links li{width:100%}.nav-links a{display:block;padding:15px 25px;border-bottom:1px solid #f5f5f5}.menu-toggle{display:block}.hero h1{font-size:1.8rem}.hero p{font-size:1rem}.hero-cta{flex-direction:column;align-items:center;width:100%}.tutorial-grid{grid-template-columns:1fr}.compare-table-wrapper{flex-direction:column}.compare-card{max-width:100%}.cs-float{display:none}.cs-bar{display:block}body{padding-bottom:50px}}