:root{--primary:#002FA7;--primary-dark:#001A6E;--primary-light:#0B4DFF;--primary-bg:rgba(0,47,167,0.07);--gold:#D4AF37;--gold-soft:rgba(212,175,55,0.14);--cyan:#00B8D9;--purple:#6B46C1;--green:#10B981;--bg-primary:#FFFFFF;--bg-secondary:#F4F7FF;--bg-card:#FFFFFF;--card-bg:rgba(255,255,255,0.92);--card-border:rgba(0,47,167,0.12);--text-primary:#07172F;--text-secondary:#44546A;--text-muted:#718096;--gradient-1:linear-gradient(135deg, #002FA7 0%, #0B4DFF 100%);--gradient-2:linear-gradient(135deg, #001A6E 0%, #002FA7 55%, #00B8D9 100%);--radius-sm:12px;--radius:18px;--radius-lg:28px;--shadow:0 12px 36px rgba(0,47,167,0.08);--shadow-hover:0 24px 70px rgba(0,47,167,0.16);--transition:0.25s cubic-bezier(0.4,0,0.2,1)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:radial-gradient(circle at 12% 8%,rgba(0,47,167,.08),transparent 28%),radial-gradient(circle at 88% 14%,rgba(0,184,217,.06),transparent 26%),linear-gradient(180deg,#fff 0,#f7faff 46%,#fff 100%);color:var(--text-primary);line-height:1.75;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.container{max-width:1280px;margin:0 auto;padding:0 32px}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 0;transition:var(--transition);background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,47,167,.06)}.nav-inner{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.logo img{height:40px;width:auto;display:block;object-fit:contain}.logo-company-name{font-size:14px;font-weight:500;color:var(--text-secondary);letter-spacing:.5px;line-height:1.4;max-width:200px}.nav-links{display:flex;align-items:center;gap:6px;padding:6px;border:1px solid rgba(0,47,167,.08);border-radius:999px;background:rgba(255,255,255,.72)}.nav-links a{color:var(--text-secondary);font-size:14px;font-weight:600;padding:10px 16px;border-radius:999px;transition:var(--transition)}.nav-links a:hover{color:var(--text-primary);background:rgba(0,47,167,.06)}.nav-links a.active{color:var(--primary);background:var(--primary-bg)}.btn-nav{background:var(--gradient-1)!important;color:#fff!important;padding:10px 24px!important;border-radius:999px!important;font-weight:700!important;font-size:14px}.btn-nav:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,47,167,.25)}.nav-dropdown{position:relative;display:inline-flex}.nav-dropdown-toggle{display:flex;align-items:center;gap:4px;cursor:pointer}.nav-dropdown-toggle .arr{font-size:10px;transition:transform .2s}.nav-dropdown.open .nav-dropdown-toggle .arr{transform:rotate(180deg)}.nav-dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(4px);background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.1);min-width:180px;padding:8px;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,transform .2s;z-index:1000}.nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(8px)}.nav-dropdown-menu a{display:block;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;color:#475569;text-decoration:none;transition:color .15s,background-color .15s,border-color .15s,box-shadow .15s,transform .15s,opacity .15s}.nav-dropdown-menu a.active,.nav-dropdown-menu a:hover{background:#e8edff;color:#002fa7}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:0 0;border:none;cursor:pointer;padding:4px;z-index:101}.hamburger span{display:block;width:22px;height:2px;border-radius:2px;background:var(--text-primary);transition:var(--transition)}.footer-social{display:flex;gap:10px;margin-top:16px}.social-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(0,47,167,.06);color:var(--text-secondary);transition:var(--transition)}.social-btn:hover{background:var(--primary-bg);color:var(--primary)}.footer-qrcode-col{display:flex;flex-direction:column;align-items:center}.footer-qrcode-col h5{text-align:center}.footer-qrcode-img{width:120px;height:120px;object-fit:contain;border-radius:8px;border:1px solid var(--card-border);background:#fff;padding:4px;display:block}.footer-qrcode-tip{font-size:11px;color:var(--text-muted);margin-top:6px;text-align:center}.footer-links{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:24px}.footer-col h5{font-size:13px;font-weight:700;color:var(--text-primary);margin-bottom:16px}.footer-col a{display:block;font-size:13px;color:var(--text-muted);margin-bottom:10px;transition:var(--transition)}.footer-col a:hover{color:var(--text-secondary);transform:translateX(3px)}.footer-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;padding-bottom:48px}.footer-brand .footer-logo{margin-bottom:16px}.footer-brand .footer-logo img{height:36px;width:auto}.footer-slogan{font-size:14px;color:var(--text-muted);margin-bottom:20px}.footer-bottom{border-top:1px solid var(--card-border);padding:28px 0;font-size:13px;color:var(--text-muted)}.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}@media (max-width:1023px){.nav-dropdown{display:block}.nav-dropdown-menu{position:static;transform:none;box-shadow:none;border:none;border-radius:0;padding:0 0 0 16px;min-width:auto;background:0 0;opacity:1;visibility:visible;display:none}.nav-dropdown.open .nav-dropdown-menu{display:block;transform:none}}@media (max-width:768px){.hamburger{display:flex}.nav-links{display:none;flex-direction:column;position:fixed;top:92px;left:16px;right:16px;background:rgba(255,255,255,.98);border:1px solid var(--card-border);border-radius:20px;padding:16px;gap:6px;box-shadow:0 18px 50px rgba(0,47,167,.14)}.nav-links.open{display:flex}.nav-links a{display:block;padding:12px 16px;border-radius:8px}.footer-inner{grid-template-columns:1fr;gap:48px}.footer-links{grid-template-columns:1fr 1fr}}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:150px 0 110px;background:linear-gradient(180deg,rgba(255,255,255,.2) 0,rgba(244,247,255,.72) 100%)}.hero-bg{position:absolute;inset:0;pointer-events:none}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,47,167,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,47,167,.045) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(circle at center,#000 0%,transparent 72%)}.hero-glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.08;animation:8s ease-in-out infinite glow-pulse}.glow1{width:500px;height:500px;background:radial-gradient(circle,#002fa7,transparent 70%);top:-80px;left:-80px}.glow2{width:400px;height:400px;background:radial-gradient(circle,#475569,transparent 70%);bottom:-40px;right:-40px;animation-delay:-4s}@keyframes glow-pulse{0%,100%{opacity:.2;transform:scale(1)}50%{opacity:.35;transform:scale(1.1)}}.hero-content{position:relative;z-index:1;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#0b0b0f 0,#1b1c22 100%);border:1px solid rgba(212,175,55,.26);border-radius:100px;padding:8px 18px;font-size:13px;color:var(--gold);font-weight:800;margin-bottom:28px;box-shadow:0 12px 30px rgba(0,0,0,.16),inset 0 1px 0 rgba(255,255,255,.08)}.badge-dot{width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 8px var(--green);animation:2s ease-in-out infinite dot-pulse}@keyframes dot-pulse{0%,100%{opacity:1}50%{opacity:.4}}.hero-title{font-size:clamp(36px, 5vw, 64px);font-weight:800;letter-spacing:-2px;line-height:1.12;margin-bottom:24px;color:var(--text-primary)}.hero-title span{background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(16px, 2vw, 20px);color:var(--text-secondary);max-width:640px;margin:0 auto 40px;line-height:1.8}.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--gradient-1);color:#fff;font-weight:700;font-size:15px;padding:13px 28px;border-radius:999px;transition:var(--transition);box-shadow:0 14px 32px rgba(0,47,167,.26);border:none;cursor:pointer}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,47,167,.35)}.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.72);border:1px solid var(--card-border);color:var(--text-primary);font-weight:700;font-size:15px;padding:13px 28px;border-radius:999px;transition:var(--transition);box-shadow:0 10px 26px rgba(0,47,167,.06);cursor:pointer}.btn-ghost:hover{background:var(--primary-bg);border-color:var(--primary);transform:translateY(-2px)}section{padding:120px 0}.section-header{text-align:center;margin-bottom:72px}.section-tag{display:inline-block;background:linear-gradient(135deg,rgba(0,47,167,.08),rgba(0,184,217,.06));border:1px solid rgba(0,47,167,.16);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:7px 18px;border-radius:100px;margin-bottom:18px}.section-title{font-size:clamp(32px, 4vw, 48px);font-weight:800;letter-spacing:-1px;margin-bottom:16px;line-height:1.16;color:var(--text-primary)}.section-desc{color:var(--text-secondary);font-size:17px;max-width:580px;margin:0 auto}.pain-points{background:linear-gradient(180deg,#f4f7ff 0,#fff 100%)}.comparison-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:900px;margin:0 auto}.comparison-card{background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:40px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}.comparison-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.comparison-icon{width:64px;height:64px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 20px}.comparison-card.traditional .comparison-icon{background:rgba(248,113,113,.1)}.comparison-card.ai .comparison-icon{background:rgba(16,185,129,.1)}.comparison-card h3{font-size:22px;font-weight:700;margin-bottom:8px}.comparison-card.traditional h3{color:#e53e3e}.comparison-card.ai h3{color:#059669}.comparison-stats{display:flex;flex-direction:column;gap:12px;margin-top:24px}.comparison-stat{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:var(--bg-secondary);border-radius:var(--radius-sm);font-size:14px}.comparison-stat span{color:var(--text-secondary)}.comparison-stat strong{color:var(--text-primary);font-weight:700}.features{background:var(--bg-primary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.feature-card{background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:36px;transition:var(--transition);box-shadow:var(--shadow)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(0,47,167,.22)}.feature-icon{width:60px;height:60px;background:var(--gradient-1);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px;box-shadow:0 14px 32px rgba(0,47,167,.16)}.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text-primary)}.feature-card p{color:var(--text-secondary);font-size:15px;line-height:1.7}.efficiency{background:linear-gradient(180deg,#fff 0,#f4f7ff 100%)}.efficiency-table{max-width:900px;margin:0 auto;background:var(--card-bg);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--card-border);box-shadow:var(--shadow)}.efficiency-table thead{background:linear-gradient(135deg,rgba(0,47,167,.08),rgba(0,184,217,.06))}.efficiency-table td,.efficiency-table th{padding:20px 24px;text-align:center}.efficiency-table th{font-size:15px;font-weight:700;color:var(--primary)}.efficiency-table td{border-top:1px solid rgba(0,47,167,.06);font-size:15px;color:var(--text-secondary)}.efficiency-table .traditional{color:#e53e3e;font-weight:600}.efficiency-table .ai-value{color:#059669;font-weight:700}.highlight-number{font-size:32px;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.onboarding{background:linear-gradient(180deg,#f4f7ff 0,#fff 100%)}.guide-image-wrap{max-width:1000px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--card-border);background:var(--card-bg)}.guide-image-wrap img{width:100%;height:auto;display:block}.guide-caption{text-align:center;margin-top:32px;padding:20px 32px;background:linear-gradient(135deg,rgba(0,47,167,.05),rgba(0,184,217,.04));border-radius:var(--radius);border:1px dashed rgba(0,47,167,.2)}.guide-caption p{font-size:18px;color:var(--text-primary);font-weight:600}.guide-caption span{color:var(--primary);font-weight:800}.use-cases{background:var(--bg-primary)}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.use-case-card{background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border-radius:var(--radius-lg);padding:36px;border-left:4px solid var(--primary);box-shadow:var(--shadow);transition:var(--transition)}.use-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.use-case-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-primary)}.use-case-card p{color:var(--text-secondary);font-size:15px}.tech{background:linear-gradient(180deg,#fff 0,#f4f7ff 100%)}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.tech-item{display:flex;align-items:center;gap:16px;padding:20px 24px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border-radius:var(--radius);border:1px solid var(--card-border);box-shadow:var(--shadow);transition:var(--transition)}.tech-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.tech-icon{width:44px;height:44px;background:var(--gradient-1);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.tech-item span{font-size:14px;color:var(--text-secondary);font-weight:500}.cases{background:var(--bg-primary)}.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:32px}.case-card{background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:40px;position:relative;overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.case-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-1);opacity:.82}.case-label{display:inline-block;background:var(--primary-bg);border:1px solid rgba(0,47,167,.18);color:var(--primary);font-size:12px;font-weight:800;padding:5px 12px;border-radius:100px;margin-bottom:16px}.case-card h3{font-size:20px;font-weight:700;margin-bottom:16px;line-height:1.4;color:var(--text-primary)}.case-metrics{display:flex;gap:32px;margin-top:24px}.case-metric{text-align:center}.case-metric-value{font-size:36px;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.case-metric-label{font-size:13px;color:var(--text-muted);margin-top:6px}.demo-section{background:var(--bg-secondary)}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.demo-card{background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.92));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:16px;transition:var(--transition);box-shadow:var(--shadow);overflow:hidden}.demo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(0,47,167,.22)}.demo-card img{width:100%;height:auto;object-fit:contain;border-radius:12px;border:1px solid var(--card-border);margin-bottom:12px}.demo-tag{display:inline-block;background:var(--primary-bg);border:1px solid rgba(0,47,167,.15);color:var(--primary);font-size:11px;font-weight:700;padding:3px 10px;border-radius:100px;margin-bottom:6px}.demo-card h5{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.demo-card p{font-size:12px;color:var(--text-muted);line-height:1.5}.cta-section{padding:120px 0;background:var(--gradient-2);text-align:center;position:relative;overflow:hidden}.cta-section::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(0,184,217,.15),transparent 70%);top:-200px;left:-200px;border-radius:50%;pointer-events:none}.cta-section::after{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(0,47,167,.2),transparent 70%);bottom:-150px;right:-150px;border-radius:50%;pointer-events:none}.cta-content{position:relative;z-index:1}.cta-section h2{font-size:clamp(28px, 4vw, 48px);font-weight:800;margin-bottom:20px;color:#fff;letter-spacing:-1px}.cta-section p{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:40px;max-width:540px;margin-left:auto;margin-right:auto}.btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary);font-weight:700;font-size:15px;padding:14px 32px;border-radius:999px;transition:var(--transition);box-shadow:0 8px 24px rgba(0,0,0,.25);border:none;cursor:pointer}.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(0,0,0,.3)}.footer{padding:40px 0;background:var(--bg-primary);border-top:1px solid rgba(0,47,167,.06);text-align:center}.footer p{color:var(--text-muted);font-size:14px}.footer a{color:var(--primary);font-weight:600}@media (max-width:768px){.demo-grid{grid-template-columns:1fr}.nav-links{display:none}.hero{padding:120px 0 80px}.hero-title{font-size:32px}.hero-subtitle{font-size:16px}.cases-grid,.comparison-grid,.features-grid,.use-cases-grid{grid-template-columns:1fr}section{padding:80px 0}.efficiency-table{font-size:13px}.efficiency-table td,.efficiency-table th{padding:14px 8px}.btn-ghost,.btn-primary{width:100%;justify-content:center}.hero-btns{flex-direction:column}.case-metrics{flex-direction:column;gap:20px}}
