:root{  
  --primary:#1A6FDB;--primary-dark:#0F5BBD;--primary-light:#E8F1FC;  
  --accent:#00B894;--accent-dark:#009E7F;  
  --dark:#0A2540;--text:#2C3E50;--text-light:#6B7A8F;  
  --bg:#FFFFFF;--bg-soft:#F5F9FF;--border:#E4EAF2;  
  --shadow-sm:0 2px 8px rgba(26,111,219,.06);  
  --shadow-md:0 6px 20px rgba(26,111,219,.08);  
  --shadow-lg:0 12px 40px rgba(26,111,219,.12);  
  --radius-sm:6px;--radius-md:10px;--radius-lg:16px;  
  --container:1200px;--header-h:72px;  
  --transition:all .3s cubic-bezier(.4,0,.2,1);  
}  
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}  
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}  
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}  
img{max-width:100%;height:auto;display:block}  
a{color:inherit;text-decoration:none;transition:var(--transition)}  
ul,ol{list-style:none}  
button{font-family:inherit;cursor:pointer;border:none;background:none}  
.container{max-width:var(--container);margin:0 auto;padding:0 24px}  
.section{padding:96px 0}  
.bg-soft{background:var(--bg-soft)}  
.section-header{text-align:center;margin-bottom:64px}  
.section-tag{display:inline-block;padding:6px 16px;background:var(--primary-light);color:var(--primary);font-size:14px;font-weight:500;border-radius:20px;margin-bottom:16px}  
.section-title{font-size:38px;font-weight:700;color:var(--dark);margin-bottom:16px;line-height:1.3}  
.section-subtitle{font-size:17px;color:var(--text-light);max-width:720px;margin:0 auto}  
  
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:500;border-radius:var(--radius-sm);transition:var(--transition);white-space:nowrap}  
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(26,111,219,.3)}  
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 22px rgba(26,111,219,.4)}  
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}  
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}  
.btn-white{background:#fff;color:var(--primary)}  
.btn-white:hover{background:var(--primary-light);transform:translateY(-2px)}  
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.4)}  
.btn-ghost:hover{background:rgba(255,255,255,.25);border-color:#fff;transform:translateY(-2px)}  
.btn-lg{padding:16px 36px;font-size:16px}  
  
/* Header */  
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);z-index:1000}  
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}  
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--dark)}  
.logo-icon{width:36px;height:36px;border-radius:8px;object-fit:contain;display:block;flex-shrink:0}  
.nav{display:flex;align-items:center;gap:36px}  
.nav-list{display:flex;gap:32px}  
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;display:inline-block}  
.nav-link:hover{color:var(--primary)}  
.nav-link::after{content:'';position:absolute;bottom:-6px;left:0;right:0;height:2px;background:var(--primary);transform:scaleX(0);transition:var(--transition)}  
.nav-link:hover::after{transform:scaleX(1)}  
.mobile-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;position:relative;z-index:1002}  
.mobile-toggle span{width:22px;height:2px;background:var(--dark);transition:var(--transition);transform-origin:center}  
.mobile-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}  
.mobile-toggle.open span:nth-child(2){opacity:0}  
.mobile-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}  
  
/* Hero */  
.hero{padding:calc(var(--header-h) + 80px) 0 100px;background:linear-gradient(135deg,#F5F9FF 0%,#EAF4FF 100%);position:relative;overflow:hidden}  
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(26,111,219,.08) 0%,transparent 70%);border-radius:50%}  
.hero::after{content:'';position:absolute;bottom:-150px;left:-150px;width:500px;height:500px;background:radial-gradient(circle,rgba(0,184,148,.08) 0%,transparent 70%);border-radius:50%}  
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;position:relative;z-index:1}  
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#fff;border:1px solid var(--border);border-radius:20px;font-size:13px;color:var(--text-light);margin-bottom:24px;box-shadow:var(--shadow-sm)}  
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(0,184,148,.2)}  
.hero-badge strong{color:var(--primary);font-weight:600}  
.hero-title{font-size:52px;font-weight:800;line-height:1.2;color:var(--dark);margin-bottom:24px}  
.hero-title .highlight{background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}  
.hero-desc{font-size:18px;color:var(--text-light);margin-bottom:36px;line-height:1.7}  
.hero-actions{display:flex;gap:16px;margin-bottom:48px;flex-wrap:wrap}  
.hero-stats{display:flex;gap:48px}  
.hero-stat-num{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:4px}  
.hero-stat-num span{color:var(--primary)}  
.hero-stat-label{font-size:14px;color:var(--text-light)}  
.hero-visual{position:relative}  
.hero-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg);position:relative}  
.hero-card-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:20px}  
.hero-card-title{font-size:16px;font-weight:600;color:var(--dark)}  
.hero-card-badge{padding:4px 10px;background:rgba(0,184,148,.1);color:var(--accent-dark);font-size:12px;border-radius:12px;font-weight:500}  
.cert-preview{background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:var(--radius-md);padding:24px;color:#fff;margin-bottom:20px;position:relative;overflow:hidden}  
.cert-preview::before{content:'';position:absolute;top:-50%;right:-30%;width:200px;height:200px;background:rgba(255,255,255,.1);border-radius:50%}  
.cert-label{font-size:12px;opacity:.85;margin-bottom:4px;letter-spacing:2px}  
.cert-title{font-size:20px;font-weight:700;margin-bottom:24px}  
.cert-info{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1}  
.cert-info-label{opacity:.75;margin-bottom:2px;font-size:12px}  
.cert-info-value{font-weight:600;font-size:14px}  
.hero-stats-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}  
.stat-mini{text-align:center;padding:12px;background:var(--bg-soft);border-radius:var(--radius-sm)}  
.stat-mini-value{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:2px}  
.stat-mini-label{font-size:12px;color:var(--text-light)}  
.float-card{position:absolute;background:#fff;border-radius:var(--radius-md);padding:14px 18px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:12px;animation:float 4s ease-in-out infinite}  
.float-card-1{top:13%;left:-40px}  
.float-card-2{bottom:15%;right:-90px;animation-delay:2s}  
.float-icon{width:36px;height:36px;background:var(--primary-light);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary)}  
.float-card-2 .float-icon{background:rgba(0,184,148,.1);color:var(--accent-dark)}  
.float-text-title{font-size:13px;font-weight:600;color:var(--dark)}  
.float-text-desc{font-size:11px;color:var(--text-light)}  
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}  
  
/* Core Value */  
.value{padding:80px 0;background:#fff;border-bottom:1px solid var(--border)}  
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}  
.value-card{text-align:center;padding:32px 24px;position:relative;transition:var(--transition)}  
.value-card:not(:last-child)::after{content:'';position:absolute;right:-16px;top:20%;bottom:20%;width:1px;background:var(--border)}  
.value-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-light),#F0F9FF);color:var(--primary);transition:var(--transition)}  
.value-card:nth-child(2) .value-icon{background:linear-gradient(135deg,rgba(0,184,148,.15),rgba(0,184,148,.05));color:var(--accent-dark)}  
.value-card:nth-child(3) .value-icon{background:linear-gradient(135deg,#FFF4E5,#FFF9F0);color:#F39C12}  
.value-card:hover .value-icon{transform:scale(1.08)}  
.value-title{font-size:22px;font-weight:700;color:var(--dark);margin-bottom:12px}  
.value-desc{font-size:15px;color:var(--text-light);line-height:1.7}  
  
/* Pain Points */  
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}  
.pain-card{background:#fff;padding:32px;border-radius:var(--radius-md);display:flex;gap:20px;align-items:flex-start;box-shadow:var(--shadow-sm);transition:var(--transition)}  
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}  
.pain-icon{width:48px;height:48px;flex-shrink:0;background:#FFF0F0;color:#E74C3C;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}  
.pain-content h3{font-size:18px;font-weight:600;color:var(--dark);margin-bottom:8px}  
.pain-content p{font-size:15px;color:var(--text-light);line-height:1.6}  
  
/* Features */  
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}  
.feature-card{padding:36px 28px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;transition:var(--transition);position:relative;overflow:hidden}  
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:var(--transition)}  
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}  
.feature-card:hover::before{transform:scaleX(1)}  
.feature-icon{width:56px;height:56px;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:20px}  
.feature-card:nth-child(2) .feature-icon,.feature-card:nth-child(5) .feature-icon{background:rgba(0,184,148,.1);color:var(--accent-dark)}  
.feature-card:nth-child(3) .feature-icon,.feature-card:nth-child(6) .feature-icon{background:#FFF4E5;color:#F39C12}  
.feature-title{font-size:19px;font-weight:600;color:var(--dark);margin-bottom:12px}  
.feature-desc{font-size:15px;color:var(--text-light);line-height:1.7;margin-bottom:16px}  
.feature-list{display:flex;flex-direction:column;gap:8px}  
.feature-list li{font-size:14px;color:var(--text);display:flex;align-items:center;gap:8px}  
.feature-list li::before{content:'✓';width:18px;height:18px;background:var(--primary-light);color:var(--primary);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}  
  
/* Audience / Solutions */  
.audience-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:48px}  
.audience-tab{padding:12px 28px;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--text);transition:var(--transition)}  
.audience-tab:hover{border-color:var(--primary);color:var(--primary)}  
.audience-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}  
.audience-content{background:#fff;border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow-md)}  
.audience-panel{display:none}  
.audience-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch}  
.audience-info{display:flex;flex-direction:column;justify-content:center}  
.audience-info h3{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:16px;line-height:1.3}  
.audience-info p{font-size:16px;color:var(--text-light);line-height:1.7;margin-bottom:24px}  
.audience-benefits{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}  
.audience-benefit{display:flex;gap:12px;align-items:flex-start}  
.audience-benefit-icon{width:24px;height:24px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;margin-top:2px}  
.audience-benefit-text{font-size:15px;color:var(--text)}  
.audience-benefit-text strong{color:var(--dark);font-weight:600}  
.audience-info .btn{align-self:flex-start}  
  
/* Dashboard Mockup */  
.dashboard{background:linear-gradient(160deg,var(--primary-light) 0%,#FFFFFF 100%);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border);display:flex;flex-direction:column;gap:20px}  
.dashboard-head{display:flex;align-items:center;justify-content:space-between}  
.dashboard-head-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--dark)}  
.dashboard-head-title .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,184,148,.15)}  
.dashboard-head-tag{font-size:12px;color:var(--text-light);background:#fff;padding:4px 10px;border-radius:12px;border:1px solid var(--border)}  
.dashboard-chart{background:#fff;border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm)}  
.chart-title{font-size:13px;color:var(--text-light);margin-bottom:14px;display:flex;justify-content:space-between}  
.chart-title strong{color:var(--dark);font-size:14px}  
.chart-bars{display:flex;align-items:flex-end;gap:10px;height:90px}  
.chart-bar{flex:1;background:linear-gradient(180deg,var(--primary-light),#D8E8FB);border-radius:4px 4px 0 0;position:relative;transition:var(--transition)}  
.chart-bar.active{background:linear-gradient(180deg,var(--primary),var(--accent))}  
.chart-labels{display:flex;gap:10px;margin-top:8px}  
.chart-labels span{flex:1;text-align:center;font-size:11px;color:var(--text-light)}  
.dashboard-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}  
.metric{background:#fff;border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm)}  
.metric-label{font-size:12px;color:var(--text-light);margin-bottom:6px;display:flex;align-items:center;gap:6px}  
.metric-value{font-size:22px;font-weight:700;color:var(--dark);line-height:1}  
.metric-trend{font-size:11px;color:var(--accent-dark);margin-top:4px}  
.dashboard-status{background:#fff;border-radius:var(--radius-md);padding:16px 20px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px}  
.status-row{display:flex;align-items:center;justify-content:space-between;font-size:13px}  
.status-label{display:flex;align-items:center;gap:10px;color:var(--text)}  
.status-label .sdot{width:6px;height:6px;border-radius:50%;background:var(--accent)}  
.status-val{color:var(--accent-dark);font-weight:500;font-size:12px}  
  
/* Process */  
.process-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;margin-top:64px}  
.process-step{text-align:center;position:relative}  
.process-step:not(:last-child)::after{content:'';position:absolute;top:32px;right:-12px;width:24px;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));z-index:0}  
.process-num{width:64px;height:64px;background:#fff;border:2px solid var(--primary);color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 20px;position:relative;z-index:1;transition:var(--transition)}  
.process-step:hover .process-num{background:var(--primary);color:#fff;transform:scale(1.05)}  
.process-title{font-size:16px;font-weight:600;color:var(--dark);margin-bottom:8px}  
.process-desc{font-size:13px;color:var(--text-light);line-height:1.6}  
  
/* Advantages */  
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}  
.adv-card{background:#fff;padding:32px 24px;border-radius:var(--radius-md);text-align:center;border:1px solid var(--border);transition:var(--transition)}  
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}  
.adv-num{font-size:42px;font-weight:800;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:12px;line-height:1}  
.adv-title{font-size:17px;font-weight:600;color:var(--dark);margin-bottom:8px}  
.adv-desc{font-size:14px;color:var(--text-light);line-height:1.6}  
  
/* FAQ */  
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}  
.faq-item{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}  
.faq-item:hover{border-color:var(--primary-light)}  
.faq-item.open{background:#fff;border-color:var(--primary-light);box-shadow:var(--shadow-md)}  
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;font-size:16px;font-weight:600;color:var(--dark);text-align:left;transition:var(--transition)}  
.faq-question:hover{color:var(--primary)}  
.faq-toggle{width:28px;height:28px;flex-shrink:0;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;transition:var(--transition)}  
.faq-item.open .faq-toggle{background:var(--primary);color:#fff;transform:rotate(45deg)}  
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1)}  
.faq-answer-inner{padding:0 28px 22px;font-size:15px;color:var(--text-light);line-height:1.75}  
.faq-answer-inner strong{color:var(--dark);font-weight:600}  
  
/* CTA */  
.cta{background:linear-gradient(135deg,var(--primary) 0%,#1859B6 50%,var(--accent-dark) 100%);color:#fff;text-align:center;position:relative;overflow:hidden}  
.cta::before{content:'';position:absolute;top:-100px;left:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);border-radius:50%}  
.cta::after{content:'';position:absolute;bottom:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);border-radius:50%}  
.cta-inner{position:relative;z-index:1}  
.cta-title{font-size:42px;font-weight:700;margin-bottom:16px;line-height:1.3}  
.cta-desc{font-size:18px;opacity:.9;margin-bottom:36px;max-width:580px;margin-left:auto;margin-right:auto}  
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:36px}  
.cta-actions .btn svg{flex-shrink:0}  
.cta-contact{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;font-size:15px;opacity:.92}  
.cta-contact-item{display:inline-flex;align-items:center;gap:8px}  
.cta-contact-item.clickable{cursor:pointer;transition:var(--transition);padding:4px 0}  
.cta-contact-item.clickable:hover{opacity:1;color:#fff;transform:translateY(-1px)}  
.cta-contact-item.clickable:hover .contact-ico{background:rgba(255,255,255,.25)}  
.contact-ico{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.15);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition)}  


.js-c2c{font-weight:500;cursor:pointer;color:inherit;border-bottom:1px dashed currentColor;padding-bottom:1px;opacity:.85;transition:opacity .2s}  
.js-c2c:not(.revealed):hover{opacity:1}  
.js-c2c.revealed{cursor:text;border-bottom:none;padding-bottom:0;opacity:1;transition:none}  
.js-c2c.revealed:hover{opacity:1;color:inherit}  
  

.footer-contact a{color:rgba(255,255,255,.85);text-decoration:none;border-bottom:none}  
.footer-contact a:hover{color:#fff}  
  
/* QR Modal */  
.qr-modal{position:fixed;inset:0;background:rgba(10,37,64,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;z-index:2000;padding:24px;opacity:0;transition:opacity .25s ease}  
.qr-modal.open{display:flex;opacity:1}  
.qr-modal-card{background:#fff;border-radius:var(--radius-lg);padding:40px 32px 32px;max-width:360px;width:100%;text-align:center;position:relative;transform:translateY(20px) scale(.96);transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:0 20px 60px rgba(0,0,0,.3)}  
.qr-modal.open .qr-modal-card{transform:translateY(0) scale(1)}  
.qr-modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;background:var(--bg-soft);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:22px;line-height:1;transition:var(--transition)}  
.qr-modal-close:hover{background:var(--primary-light);color:var(--primary);transform:rotate(90deg)}  
.qr-modal-title{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:8px}  
.qr-modal-desc{font-size:14px;color:var(--text-light);margin-bottom:22px;line-height:1.6}  
.qr-image{width:220px;height:220px;margin:0 auto 18px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:13px;padding:10px;overflow:hidden}  
.qr-image img{width:100%;height:100%;object-fit:contain;display:block}  
.qr-tip{font-size:13px;color:var(--text);padding:10px 16px;background:var(--bg-soft);border-radius:var(--radius-sm);line-height:1.5}  
.qr-tip strong{color:var(--primary);font-weight:600}  
  
/* Footer */  
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 32px}  
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}  
.footer-brand .logo{color:#fff;margin-bottom:16px}  
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:20px;color:rgba(255,255,255,.65)}  
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.65)}  
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px}  
.footer-list{display:flex;flex-direction:column;gap:12px}  
.footer-list a{font-size:14px;color:rgba(255,255,255,.65)}  
.footer-list a:hover{color:#fff}  
.footer-bottom{padding-top:32px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.5)}  
.footer-bottom a{color:rgba(255,255,255,.5)}  
.footer-bottom a:hover{color:#fff}  
.footer-links{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap}  
.beian-gongan{display:inline-flex;align-items:center;gap:5px}  
.beian-gongan img{width:14px;height:14px;flex-shrink:0;display:inline-block}  
  
/* Responsive */  
@media (max-width:1024px){  
  .section{padding:72px 0}  
  .section-title{font-size:32px}  
  .hero{padding:calc(var(--header-h) + 56px) 0 72px}  
  .hero-inner{grid-template-columns:1fr;gap:48px}  
  .hero-title{font-size:42px}  
  .hero-visual{max-width:520px;margin:0 auto;width:100%}  
  .value{padding:64px 0}  
  .features-grid{grid-template-columns:repeat(2,1fr)}  
  .adv-grid{grid-template-columns:repeat(2,1fr)}  
  .process-flow{grid-template-columns:repeat(5,1fr);gap:8px}  
  .process-step:not(:last-child)::after{right:-6px;width:12px}  
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}  
  .footer-brand{grid-column:1/-1}  
}  
@media (max-width:768px){  
  .section{padding:56px 0}  
  .section-header{margin-bottom:40px}  
  .section-title{font-size:26px}  
  .section-subtitle{font-size:15px}  
  .nav-actions .btn{display:none}  
  .nav-list{position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);padding:0 24px;max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .35s ease,opacity .25s ease,padding .35s ease;z-index:1001}  
  .nav-list.open{max-height:500px;opacity:1;pointer-events:auto;padding:16px 24px}  
  .nav-list li{width:100%;border-bottom:1px solid var(--border)}  
  .nav-list li:last-child{border-bottom:none}  
  .nav-list .nav-link{display:block;width:100%;padding:14px 0;font-size:16px}  
  .nav-list .nav-link::after{display:none}  
  .mobile-toggle{display:flex}  
  .hero{padding:calc(var(--header-h) + 40px) 0 56px}  
  .hero-title{font-size:32px}  
  .hero-desc{font-size:16px}  
  .hero-stats{gap:24px;flex-wrap:wrap}  
  .hero-stat-num{font-size:22px}  
  .float-card-1,.float-card-2{display:none}  
  .value{padding:48px 0}  
  .value-grid{grid-template-columns:1fr;gap:24px}  
  .value-card:not(:last-child)::after{display:none}  
  .value-card{padding:20px 16px;border-bottom:1px solid var(--border)}  
  .value-card:last-child{border-bottom:none}  
  .value-title{font-size:19px}  
  .pain-grid{grid-template-columns:1fr}  
  .pain-card{padding:24px;flex-direction:column;gap:16px}  
  .features-grid{grid-template-columns:1fr}  
  .audience-tabs{flex-direction:column;gap:8px}  
  .audience-tab{width:100%}  
  .audience-content{padding:28px}  
  .audience-panel.active{grid-template-columns:1fr;gap:32px}  
  .audience-info h3{font-size:22px}  
  .process-flow{grid-template-columns:1fr;gap:32px}  
  .process-step:not(:last-child)::after{display:none}  
  .adv-grid{grid-template-columns:1fr}  
  .faq-question{padding:18px 20px;font-size:15px}  
  .faq-answer-inner{padding:0 20px 18px;font-size:14px}  
  .cta-title{font-size:28px}  
  .cta-desc{font-size:15px}  
  .cta-contact{flex-direction:column;gap:14px}  
  .qr-modal-card{padding:32px 24px 24px}  
  .qr-image{width:200px;height:200px}  
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}  
  .footer-brand{grid-column:1/-1}  
  .footer-bottom{flex-direction:column;text-align:center}  
  .footer-links{justify-content:center}  
  .btn-lg{padding:14px 28px;font-size:15px}  
}