:root{--red:#C41E3A;--red-dark:#8B1528;--red-light:#E03550;--red-pale:#FFF0F2;--red-mid:#D4263F;--gold:#D4AF37;--gold-light:#F0C040;--gold-pale:#FFFBEB;--gold-dark:#B8860B;--white:#FFFFFF;--off-white:#FAFAFA;--cream:#FFF9F5;--gray-50:#F9FAFB;--gray-100:#F3F4F6;--gray-200:#E5E7EB;--gray-300:#D1D5DB;--gray-400:#9CA3AF;--gray-500:#6B7280;--gray-600:#4B5563;--gray-700:#374151;--gray-800:#1E293B;--gray-900:#111827;--dark:#1A1A1A;--bg-hero:#FFF8F0;--bg-adv:#FFF5F5;--bg-prod:#FFFCF5;--bg-biz:#FFF5F5;--bg-eco:#FFFBF0;--bg-part:#FFF5F5;--bg-cta:#FFFCF5;--bg-footer:#1A1A1A;--shadow-xs:0 1px 2px rgba(0,0,0,0.05);--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 10px 40px rgba(0,0,0,0.10);--shadow-xl:0 20px 60px rgba(0,0,0,0.12);--radius:16px;--radius-sm:10px;--radius-xs:6px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)} *,*::before,*::after{margin:0;padding:0;box-sizing:border-box} html{scroll-behavior:smooth} body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;color:var(--gray-600);line-height:1.75;background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased} a{color:inherit;text-decoration:none;transition:var(--transition)} ul{list-style:none} img{max-width:100%;display:block} button{font-family:inherit;cursor:pointer} .container{max-width:1200px;margin:0 auto;padding:0 28px} .section{padding:108px 0} .section-header{text-align:center;margin-bottom:72px} .section-title{font-size:2.4rem;font-weight:800;color:var(--dark);margin-bottom:18px;letter-spacing:-0.5px;position:relative;display:inline-block} .section-title::before{content:'';display:inline-block;width:8px;height:8px;background:var(--red);border-radius:50%;margin-right:14px;vertical-align:middle;margin-top:-4px;box-shadow:0 0 0 3px rgba(196,30,58,0.15)} .section-title::after{content:'';position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);width:64px;height:3px;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:2px} .section-subtitle{font-size:1.05rem;color:var(--gray-500);margin-top:24px;max-width:580px;margin-left:auto;margin-right:auto} .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--radius-xs);font-size:0.95rem;font-weight:600;cursor:pointer;border:2px solid transparent;transition:var(--transition);white-space:nowrap;letter-spacing:0.3px} .btn-red{background:linear-gradient(135deg,var(--red),var(--red-dark));color:var(--white);border-color:transparent;box-shadow:0 4px 20px rgba(196,30,58,0.30)} .btn-red:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(196,30,58,0.42);background:linear-gradient(135deg,var(--red-light),var(--red))} .btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--white);border-color:transparent;box-shadow:0 4px 20px rgba(212,160,23,0.28)} .btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(212,160,23,0.40);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:var(--white)} .btn-outline{background:transparent;color:var(--red);border-color:var(--red)} .btn-outline:hover{background:var(--red);color:var(--white);transform:translateY(-2px)} .btn-outline-white{background:transparent;color:var(--white);border-color:rgba(255,255,255,0.4)} .btn-outline-white:hover{background:rgba(255,255,255,0.12);border-color:var(--white);color:var(--white);transform:translateY(-2px)} .btn-lg{padding:16px 40px;font-size:1.05rem;border-radius:var(--radius-sm)} .btn-sm{padding:9px 20px;font-size:0.875rem} .navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-xs);border-bottom:1px solid var(--gray-200);transition:var(--transition)} .navbar .container{display:flex;align-items:center;justify-content:space-between;height:70px} .nav-brand{flex-shrink:0} .nav-brand a{display:flex;flex-direction:row;align-items:flex-start;gap:8px;text-decoration:none} .nav-logo-img{height:36px;width:auto;object-fit:contain;flex-shrink:0} .nav-brand .logo-text{font-size:1.9rem;font-weight:800;color:#C41E3A;white-space:nowrap;line-height:36px;height:36px} .nav-brand .logo-tagline{font-size:0.55rem;color:#D4AF37;letter-spacing:3px;white-space:nowrap} .logo-text{font-size:1.4rem;font-weight:900;color:#C41E3A} .logo-tagline{font-size:0.6rem;color:var(--gray-400);letter-spacing:2px;text-transform:uppercase} .nav-menu{display:flex;align-items:center;gap:2px} .nav-menu > li{position:relative} .nav-menu a{padding:8px 14px;border-radius:var(--radius-xs);color:var(--gray-600);font-weight:500;font-size:0.9rem;transition:var(--transition);display:flex;align-items:center;gap:4px} .nav-menu a:hover{color:var(--red)} .nav-menu a.active{color:var(--red);font-weight:600} .nav-dropdown > a::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:0.6rem;color:var(--gray-400);margin-left:3px;transition:var(--transition)} .nav-dropdown:hover > a::after{color:var(--red);transform:rotate(180deg)} .nav-submenu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:200px;padding:10px 0;opacity:0;visibility:hidden;transform:translateX(-50%) translateY(-8px);transition:all 0.25s ease;z-index:100} .nav-dropdown:hover .nav-submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)} .nav-submenu li a{padding:10px 20px;border-radius:0;font-size:0.88rem;color:var(--gray-600);display:block;white-space:nowrap} .nav-submenu li a:hover{background:var(--red-pale);color:var(--red);padding-left:26px} .nav-submenu li.divider{height:1px;background:var(--gray-200);margin:6px 0} .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0} .nav-login{padding:8px 18px;border-radius:var(--radius-xs);color:var(--gray-500);font-weight:500;font-size:0.88rem;border:1.5px solid var(--gray-300);display:flex;align-items:center;gap:6px;transition:var(--transition)} .nav-login:hover{border-color:var(--red);color:var(--red)} .nav-cta{padding:9px 22px;background:linear-gradient(135deg,var(--red),var(--red-dark));color:var(--white) !important;border:none;border-radius:var(--radius-xs);font-weight:600;font-size:0.88rem;box-shadow:0 4px 16px rgba(196,30,58,0.28);transition:var(--transition)} .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(196,30,58,0.40)} .nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px} .nav-toggle span{width:22px;height:2px;background:var(--gray-700);border-radius:2px;transition:var(--transition)} .hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:70px;overflow:hidden;background:var(--bg-hero)} .hero::before{content:'';position:absolute;top:0;right:0;width:55%;height:100%;background:radial-gradient(ellipse at 90% 10%,rgba(196,30,58,0.08) 0%,transparent 65%);pointer-events:none} .hero::after{content:'';position:absolute;bottom:0;left:0;width:40%;height:40%;background:radial-gradient(ellipse at 10% 90%,rgba(212,160,23,0.08) 0%,transparent 65%);pointer-events:none} .hero-deco{position:absolute;border-radius:50%;pointer-events:none;z-index:1} .hero-deco-1{width:280px;height:280px;top:10%;right:5%;background:radial-gradient(circle,rgba(196,30,58,0.07) 0%,transparent 70%);border:1.5px dashed rgba(196,30,58,0.10);animation:ring-rotate 40s linear infinite} .hero-deco-2{width:160px;height:160px;bottom:18%;right:12%;background:radial-gradient(circle,rgba(212,160,23,0.10) 0%,transparent 70%);border:1px dashed rgba(212,160,23,0.12);animation:ring-rotate 28s linear infinite reverse} .hero-deco-3{width:60px;height:60px;top:30%;left:8%;background:radial-gradient(circle,rgba(196,30,58,0.08) 0%,transparent 70%);border-radius:50%} .hero .container{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;position:relative;z-index:2} .hero-content{padding:48px 0;position:relative;z-index:2} .hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--red-pale);border:1px solid rgba(196,30,58,0.15);color:var(--red);padding:7px 18px;border-radius:50px;font-size:0.78rem;font-weight:700;margin-bottom:24px;letter-spacing:1px} .hero-badge-dot{width:6px;height:6px;background:var(--red);border-radius:50%;animation:dot-pulse 2s ease-in-out infinite} @keyframes dot-pulse{0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.8)} } .hero-title{font-size:3.4rem;font-weight:900;line-height:1.12;margin-bottom:26px;letter-spacing:-1.5px;color:var(--dark)} .hero-title .gold{color:var(--gold)} .hero-title .red{color:var(--red)} .hero-subtitle{font-size:1.05rem;color:var(--gray-500);line-height:1.9;margin-bottom:42px;max-width:500px} .hero-buttons{display:flex;gap:16px;flex-wrap:wrap} .hero-stats{display:flex;gap:56px;margin-top:72px;padding-top:40px;border-top:1px solid var(--gray-200)} .stat-item{text-align:left} .stat-number{font-size:2.6rem;font-weight:900;color:var(--dark);display:inline;line-height:1} .stat-unit{font-size:1.5rem;font-weight:800;color:var(--gold);margin-left:2px} .stat-label{display:block;font-size:0.78rem;color:var(--gray-400);margin-top:6px;letter-spacing:0.5px} .hero-visual{display:flex;justify-content:center;align-items:center} .hero-ecosystem{position:relative;width:460px;height:460px} .ecosystem-ring{position:absolute;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)} .ecosystem-ring-1{width:380px;height:380px;border:1.5px dashed rgba(196,30,58,0.15);animation:ring-rotate 30s linear infinite} .ecosystem-ring-2{width:280px;height:280px;border:1px dashed rgba(212,160,23,0.18);animation:ring-rotate 22s linear infinite reverse} @keyframes ring-rotate{from{transform:translate(-50%,-50%) rotate(0deg)} to{transform:translate(-50%,-50%) rotate(360deg)} } .ecosystem-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:130px;height:130px;background:linear-gradient(145deg,var(--red),var(--red-dark));border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:0.72rem;font-weight:800;text-align:center;color:var(--white);box-shadow:0 12px 48px rgba(196,30,58,0.30),0 0 0 8px rgba(196,30,58,0.08);z-index:2;line-height:1.35;letter-spacing:0.5px} .ecosystem-center i{font-size:2.4rem;margin-bottom:8px} .ecosystem-node{position:absolute;width:84px;height:84px;background:var(--white);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:0.68rem;font-weight:800;text-align:center;box-shadow:0 6px 24px rgba(0,0,0,0.10);border:3px solid;z-index:3;line-height:1.3;transition:var(--transition);letter-spacing:0.3px} .ecosystem-node:hover{transform:scale(1.1);box-shadow:0 12px 36px rgba(0,0,0,0.15)} .ecosystem-node i{font-size:1.7rem;margin-bottom:5px} .ecosystem-node.node-student{top:0;left:50%;transform:translateX(-50%);border-color:var(--red);color:var(--red)} .ecosystem-node.node-student:hover{transform:translateX(-50%) scale(1.1)} .ecosystem-node.node-enterprise{bottom:20px;right:-10px;border-color:var(--gold);color:var(--gold-dark)} .ecosystem-node.node-school{bottom:20px;left:-10px;border-color:var(--gray-400);color:var(--gray-600)} .advantages{background:var(--bg-adv)} .advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px} .advantage-card{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius);padding:40px 28px;text-align:center;transition:var(--transition);position:relative;overflow:hidden} .advantage-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--red),var(--gold));transform:scaleX(0);transition:var(--transition)} .advantage-card:hover::before{transform:scaleX(1)} .advantage-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(196,30,58,0.15)} .advantage-card.featured{background:linear-gradient(145deg,var(--red),var(--red-dark));border-color:transparent;color:var(--white)} .advantage-card.featured h3,.advantage-card.featured p{color:rgba(255,255,255,0.88)} .advantage-card.featured .advantage-icon{background:rgba(255,255,255,0.18);color:var(--white)} .advantage-card.featured::before{display:none} .advantage-badge{position:absolute;top:14px;right:14px;background:var(--gold);color:var(--white);font-size:0.68rem;font-weight:700;padding:4px 10px;border-radius:50px;letter-spacing:0.5px} .advantage-icon{width:68px;height:68px;background:var(--red-pale);border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-size:1.9rem;color:var(--red);transition:var(--transition)} .advantage-card:hover .advantage-icon{background:var(--red);color:var(--white)} .advantage-card.featured .advantage-icon{background:rgba(255,255,255,0.2)} .advantage-card h3{font-size:1.12rem;font-weight:700;color:var(--dark);margin-bottom:14px} .advantage-card p{font-size:0.88rem;color:var(--gray-500);line-height:1.75} .products-section{background:var(--bg-prod)} .products-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px} .product-card{background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:32px 22px;text-align:center;transition:var(--transition);position:relative} .product-card:hover{border-color:var(--red);box-shadow:var(--shadow-md);transform:translateY(-5px)} .product-card.featured{border-color:var(--gold)} .product-badge{position:absolute;top:-1px;right:16px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--white);font-size:0.68rem;font-weight:700;padding:3px 12px;border-radius:0 0 var(--radius-sm) var(--radius-sm)} .product-icon{width:60px;height:60px;background:var(--red-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:1.5rem;color:var(--red);transition:var(--transition)} .product-card:hover .product-icon{background:var(--red);color:var(--white)} .product-card.featured .product-icon{background:var(--gold-pale)} .product-card.featured:hover .product-icon{background:var(--gold);color:var(--white)} .product-card h3{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:10px} .product-card p{font-size:0.83rem;color:var(--gray-500);margin-bottom:18px;line-height:1.65} .product-link{color:var(--red);font-size:0.82rem;font-weight:600;display:inline-flex;align-items:center;gap:6px} .product-link:hover{gap:10px;color:var(--red-dark)} .section-cta{text-align:center;margin-top:56px} .business-section{background:var(--bg-biz)} .business-section .section-title::before{content:'';display:block;width:48px;height:4px;background:linear-gradient(135deg,var(--red),var(--gold));border-radius:2px;margin:0 auto 24px} .business-section .section-title{margin-top:0} .models-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px} .model-card{background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:44px 32px;text-align:center;transition:var(--transition);position:relative;overflow:hidden} .model-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--red),var(--gold));transform:scaleX(0);transition:var(--transition)} .model-card:hover::after{transform:scaleX(1)} .model-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-xl);border-color:transparent} .model-card.featured{background:linear-gradient(145deg,var(--red),var(--red-dark));border-color:transparent;color:var(--white)} .model-card.featured h3{color:var(--white)} .model-card.featured .model-features li{color:rgba(255,255,255,0.75)} .model-card.featured .model-features li i{color:var(--gold-light)} .model-card.featured::after{display:none} .model-badge{position:absolute;top:16px;right:16px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--white);font-size:0.7rem;font-weight:700;padding:4px 14px;border-radius:50px;letter-spacing:0.5px} .model-icon{font-size:3rem;margin-bottom:18px;color:var(--red)} .model-card.featured .model-icon{color:var(--gold-light)} .model-card h3{font-size:1.2rem;font-weight:700;margin-bottom:22px;color:var(--dark)} .model-features{text-align:left;margin-bottom:32px} .model-features li{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--gray-500);font-size:0.88rem;border-bottom:1px solid var(--gray-100)} .model-features li:last-child{border-bottom:none} .model-features li i{color:var(--gold);font-size:0.82rem;flex-shrink:0} .ecosystem-section{background:var(--bg-eco)} .ecosystem-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:start} .ecosystem-card{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius);padding:40px 26px;text-align:center;transition:var(--transition);position:relative;overflow:hidden} .ecosystem-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;transform:scaleX(0);transition:var(--transition)} .ecosystem-card:hover::after{transform:scaleX(1)} .ecosystem-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-6px);border-color:transparent} .ecosystem-card.student{border-color:rgba(196,30,58,0.12)} .ecosystem-card.student::after{background:linear-gradient(90deg,var(--red),rgba(196,30,58,0.2))} .ecosystem-card.enterprise{border-color:rgba(212,160,23,0.15)} .ecosystem-card.enterprise::after{background:linear-gradient(90deg,var(--gold),rgba(212,160,23,0.2))} .ecosystem-card.school{border-color:rgba(100,100,100,0.12)} .ecosystem-card.school::after{background:linear-gradient(90deg,var(--gray-400),rgba(150,150,150,0.2))} .ecosystem-icon{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.9rem} .ecosystem-card.student .ecosystem-icon{background:var(--red-pale);color:var(--red)} .ecosystem-card.enterprise .ecosystem-icon{background:var(--gold-pale);color:var(--gold-dark)} .ecosystem-card.school .ecosystem-icon{background:var(--gray-100);color:var(--gray-500)} .ecosystem-card h3{font-size:1.15rem;font-weight:700;color:var(--dark);margin-bottom:18px} .ecosystem-list{text-align:left} .ecosystem-list li{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:0.86rem;color:var(--gray-500);border-bottom:1px solid var(--gray-100)} .ecosystem-list li:last-child{border-bottom:none} .ecosystem-list li i{font-size:0.78rem;flex-shrink:0} .ecosystem-card.student .ecosystem-list li i{color:var(--red)} .ecosystem-card.enterprise .ecosystem-list li i{color:var(--gold)} .ecosystem-card.school .ecosystem-list li i{color:var(--gray-400)} .ecosystem-connector{display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:110px;color:var(--red);gap:10px;font-size:0.72rem;letter-spacing:1px} .ecosystem-connector i{font-size:1.6rem;color:var(--red)} .ecosystem-connector i:last-child{color:var(--gold)} .stats-section{background:linear-gradient(135deg,var(--red),var(--red-dark));color:var(--white);padding:88px 0;position:relative;overflow:hidden} .stats-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 10% 100%,rgba(212,160,23,0.2) 0%,transparent 50%),radial-gradient(ellipse at 90% 0%,rgba(255,255,255,0.06) 0%,transparent 50%)} .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1} .stat-card{text-align:center;padding:24px 16px;position:relative} .stat-card::after{content:'';position:absolute;right:0;top:20%;bottom:20%;width:1px;background:rgba(255,255,255,0.15)} .stat-card:last-child::after{display:none} .stat-icon{font-size:2rem;margin-bottom:14px;opacity:0.4} .stat-card .stat-number{font-size:3.2rem;font-weight:900;display:block;line-height:1;color:#fff} .stat-card .stat-label{font-size:0.9rem;color:rgba(255,255,255,0.65);margin-top:10px} .partners-section{background:var(--bg-part)} .partners-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px} .partner-item{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius-sm);padding:30px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;transition:var(--transition)} .partner-item:hover{border-color:var(--red);box-shadow:0 8px 32px rgba(196,30,58,0.12);transform:translateY(-4px)} .partner-item i{font-size:2.1rem;color:var(--red)} .partner-item span{font-size:0.83rem;color:var(--gray-600);font-weight:500} .cta-section{background:var(--bg-cta);padding:120px 0;text-align:center;position:relative;overflow:hidden} .cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(196,30,58,0.06) 0%,transparent 70%)} .cta-content{position:relative;z-index:1} .cta-content h2{font-size:2.4rem;font-weight:900;color:var(--dark);margin-bottom:18px;letter-spacing:-0.5px} .cta-content p{font-size:1.05rem;color:var(--gray-500);max-width:560px;margin:0 auto 44px;line-height:1.85} .cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap} .footer{background:#F5F5F5;color:#666;padding:32px 0 0;border-top:1px solid #E8E8E8} .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:24px;padding-bottom:20px} .footer-title{font-size:1.3rem;font-weight:800;color:#1A1A1A;margin-bottom:18px} .footer-desc{font-size:0.88rem;line-height:1.8;margin-bottom:14px;color:#888} .footer-social{display:flex;gap:12px} .social-link{width:36px;height:36px;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:var(--transition);font-size:0.95rem} .social-link.fa-weixin-bg{background:#07C160} .social-link.fa-weibo-bg{background:#E6162D} .social-link.fa-qq-bg{background:#12B7F5} .social-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.18)} .footer-heading{font-size:0.95rem;font-weight:700;color:#1A1A1A;margin-bottom:13px;letter-spacing:0.3px} .footer-links li{margin-bottom:8px} .footer-links a{font-size:0.86rem;color:#888} .footer-links a:hover{color:var(--red);padding-left:4px} .footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:0.86rem;margin-bottom:9px;color:#888} .footer-contact li i{flex-shrink:0;margin-top:4px;color:var(--red)} .footer-bottom{border-top:1px solid #E0E0E0;padding:10px 0;text-align:center;font-size:0.82rem;color:#AAA} .footer-bottom a{color:#999} .footer-bottom a:hover{color:var(--red)} @keyframes fadeInUp{from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} } @keyframes fadeIn{from{opacity:0} to{opacity:1} } .animate-fadeInUp{animation:fadeInUp 0.9s cubic-bezier(0.4,0,0.2,1) both} .animate-fadeIn{animation:fadeIn 1s ease both} .delay-1{animation-delay:0.15s} .delay-2{animation-delay:0.3s} .delay-3{animation-delay:0.45s} .delay-4{animation-delay:0.6s} .reveal{opacity:0;transform:translateY(28px);transition:opacity 0.7s ease,transform 0.7s ease} .reveal.visible{opacity:1;transform:translateY(0)} .section-divider{height:5px;background:linear-gradient(90deg,var(--red) 0%,var(--gold) 50%,var(--red) 100%);background-size:200% 100%;animation:gradient-shift 4s ease infinite} @keyframes gradient-shift{0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} } @media (max-width:1024px){.nav-menu,.nav-actions{display:none} .nav-toggle{display:flex} .hero .container{grid-template-columns:1fr;text-align:center} .hero-title{font-size:2.6rem} .hero-subtitle{margin:0 auto 38px} .hero-buttons{justify-content:center} .hero-stats{justify-content:center} .hero-visual{display:none} .advantages-grid{grid-template-columns:repeat(2,1fr)} .products-grid{grid-template-columns:repeat(3,1fr)} .ecosystem-grid{grid-template-columns:1fr} .ecosystem-connector{flex-direction:row;padding-top:0;color:var(--red)} .stats-grid{grid-template-columns:repeat(2,1fr)} .partners-grid{grid-template-columns:repeat(3,1fr)} .footer-grid{grid-template-columns:repeat(2,1fr)} } @media (max-width:768px){.nav-menu{position:fixed;top:70px;left:0;right:0;background:var(--white);flex-direction:column;padding:8px 16px 24px;transform:translateY(-120%);transition:0.35s ease;z-index:999;border-top:1px solid var(--gray-200);box-shadow:0 8px 32px rgba(0,0,0,0.10);display:flex;align-items:stretch} .nav-menu.active{transform:translateY(0)} .nav-menu > li{border-bottom:1px solid var(--gray-200)} .nav-menu > li:last-child{border-bottom:none} .nav-menu a{padding:14px 4px;font-size:0.95rem;justify-content:space-between} .nav-submenu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;border-radius:0;background:var(--red-pale);padding:0 0 8px} .nav-submenu li a{padding:10px 20px;font-size:0.88rem} .nav-submenu li.divider{display:none} .nav-dropdown > a::after{display:none} .nav-dropdown .nav-submenu li a::before{content:'├ ';color:var(--red);font-size:0.7rem} .nav-actions{display:flex;flex-direction:column;gap:10px;padding:12px 4px 8px;border-top:1px solid var(--gray-200)} .nav-login{justify-content:center;font-size:0.92rem} .nav-toggle{display:flex} .hero-title{font-size:2rem} .advantages-grid{grid-template-columns:1fr} .products-grid{grid-template-columns:repeat(2,1fr)} .models-grid{grid-template-columns:1fr} .ecosystem-grid{grid-template-columns:1fr} .stats-grid{grid-template-columns:repeat(2,1fr)} .stat-card::after{display:none} .partners-grid{grid-template-columns:repeat(2,1fr)} .footer-grid{grid-template-columns:1fr} .section{padding:76px 0} .section-title{font-size:1.85rem} .cta-content h2{font-size:1.85rem} } .page-hero{background:linear-gradient(135deg,var(--red) 0%,var(--gold) 100%);padding:80px 0 60px;position:relative;overflow:hidden} .page-hero-content{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto} .page-hero-title{font-size:2.8rem;font-weight:800;color:white;margin:12px 0 16px;letter-spacing:-0.5px} .page-hero-subtitle{font-size:1.05rem;color:rgba(255,255,255,0.85);max-width:600px;margin:0 auto 20px;line-height:1.7} .page-hero-breadcrumb{font-size:0.85rem;color:rgba(255,255,255,0.6)} .page-hero-breadcrumb a{color:rgba(255,255,255,0.75);text-decoration:none} .page-hero-breadcrumb a:hover{color:white} .product-detail-section{background:var(--white)} .product-detail-grid{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start} .product-detail-card{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius);padding:32px 28px;margin-bottom:20px;transition:var(--transition)} .product-detail-card:hover{border-color:rgba(196,30,58,0.2);box-shadow:var(--shadow-md)} .product-detail-card h2{font-size:1.3rem;font-weight:700;color:var(--dark);margin-bottom:12px;display:flex;align-items:center;gap:10px} .product-detail-card h2 i{color:var(--red);font-size:1.1rem} .product-detail-card p{color:var(--gray-500);line-height:1.7;margin-bottom:16px} .product-detail-features{display:grid;grid-template-columns:1fr 1fr;gap:10px} .feature-item{display:flex;align-items:center;gap:8px;font-size:0.88rem;color:var(--dark)} .feature-item i{color:var(--gold);font-size:0.85rem;flex-shrink:0} .product-detail-sidebar{position:sticky;top:90px} .sidebar-card{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius);padding:24px 20px;margin-bottom:16px} .sidebar-card h3{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:10px} .sidebar-card p{font-size:0.85rem;color:var(--gray-500);margin-bottom:14px;line-height:1.5} .sidebar-hotline{background:linear-gradient(135deg,var(--red),var(--red-dark));color:white;border-color:transparent} .sidebar-hotline h3{color:white} .hotline-number{font-size:1.2rem;font-weight:800;margin-bottom:4px !important} .hotline-time{font-size:0.78rem;opacity:0.7} .sidebar-list{display:flex;flex-direction:column;gap:8px} .sidebar-list li a{display:flex;align-items:center;gap:8px;font-size:0.88rem;color:var(--gray-600);padding:8px 0;border-bottom:1px solid var(--gray-100);transition:var(--transition)} .sidebar-list li a:hover{color:var(--red);padding-left:4px} .sidebar-list li a i{color:var(--gold);width:16px} .sidebar-list li:last-child a{border-bottom:none} .btn-block{width:100%;justify-content:center} .products-overview{background:var(--bg-light)} .products-overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px} .product-overview-card{background:var(--white);border:1.5px solid rgba(196,30,58,0.08);border-radius:var(--radius);padding:28px 24px;display:flex;gap:20px;align-items:flex-start;transition:var(--transition)} .product-overview-card:hover{border-color:rgba(196,30,58,0.25);box-shadow:var(--shadow-md);transform:translateY(-3px)} .product-overview-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--red),rgba(196,30,58,0.6));border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0} .product-overview-icon i{font-size:1.4rem;color:white} .product-overview-info{flex:1;display:flex;flex-direction:column} .product-overview-info h3{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:8px} .product-overview-info p{font-size:0.85rem;color:var(--gray-500);line-height:1.6;margin-bottom:12px} .product-overview-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px} .product-overview-info .btn{margin-top:auto} .product-overview-tags span{background:rgba(196,30,58,0.06);color:var(--red);font-size:0.75rem;padding:3px 10px;border-radius:20px;font-weight:600} .products-cta-section{background:linear-gradient(135deg,var(--red) 0%,var(--red-dark) 100%)} .products-cta-box{display:flex;align-items:center;justify-content:space-between;padding:40px;border-radius:var(--radius);background:rgba(255,255,255,0.08)} .products-cta-content h2{font-size:1.8rem;font-weight:800;color:white;margin-bottom:8px} .products-cta-content p{color:rgba(255,255,255,0.75)} .products-cta-actions{display:flex;gap:12px;flex-shrink:0} @media (max-width:768px){.product-detail-grid{grid-template-columns:1fr} .product-detail-sidebar{position:static} .product-detail-features{grid-template-columns:1fr} .products-cta-box{flex-direction:column;text-align:center;gap:20px} .products-cta-actions{flex-direction:column} .product-overview-card{flex-direction:column} .page-hero-title{font-size:2rem} }
/* ===== Slogan 品牌标语 ===== */
.brand-text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.logo-slogan {
    font-size: 0.6rem;
    color: #D4AF37;
    font-weight: 500;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.footer-brand-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.footer-slogan {
    font-size: 0.78rem;
    color: #D4AF37;
    font-weight: 500;
    letter-spacing: 0.5px;
}