:root{--blue-primary:#0047AB;--blue-dark:#003380;--blue-light:#E6F0FF;--red-accent:#D81E05;--red-light:#FFE8E8;--bg-base:#FAFBFF;--text-dark:#1A1A2E;--card-bg:rgba(0,40,120,0.06);--card-hover-border:linear-gradient(135deg,#0047AB,#D81E05);--nav-height:72px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background-color:var(--bg-base);color:var(--text-dark);line-height:1.7;overflow-x:hidden}body::before{content:'';position:fixed;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(30deg,rgba(0,71,171,0.03) 12%,transparent 12.5%,transparent 87%,rgba(0,71,171,0.03) 87.5%),linear-gradient(150deg,rgba(216,30,5,0.02) 12%,transparent 12.5%,transparent 87%,rgba(216,30,5,0.02) 87.5%),linear-gradient(60deg,rgba(0,71,171,0.02) 25%,transparent 25.5%,transparent 75%,rgba(0,71,171,0.02) 75%);background-size:80px 140px;pointer-events:none;z-index:0}.main-nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:all .4s;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,71,171,.08)}.main-nav.scrolled{background:rgba(255,255,255,.95);box-shadow:0 4px 30px rgba(0,71,171,.1);padding:10px 0}.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:12px}.nav-logo-img{width:65px;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 0 15px rgba(0,71,171,.2);transition:all .3s ease}.nav-logo:hover .nav-logo-img{box-shadow:0 0 25px rgba(0,71,171,.4);transform:scale(1.05)}.nav-logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--blue-primary),var(--red-accent));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:20px;box-shadow:0 0 20px rgba(0,71,171,0.3);animation:logoPulse 3s ease-in-out infinite}@keyframes logoPulse{0%,100%{box-shadow:0 0 20px rgba(0,71,171,0.3)}50%{box-shadow:0 0 30px rgba(0,71,171,0.5)}}.nav-logo-text{font-weight:700;font-size:16px;color:var(--blue-primary)}.nav-links{display:flex;align-items:center;gap:8px;list-style:none}.nav-links a{padding:8px 16px;font-size:14.5px;font-weight:500;color:var(--text-dark);border-radius:8px;transition:all .3s;position:relative}.nav-links a:hover{color:var(--blue-primary);background:var(--blue-light)}.nav-links a.active{color:var(--blue-primary);background:var(--blue-light)}.nav-links .nav-cta{background:linear-gradient(135deg,var(--blue-primary),var(--red-accent));color:#fff!important;padding:10px 24px;border-radius:24px;font-weight:600;box-shadow:0 4px 15px rgba(216,30,5,0.25);animation:ctaGlow 2.5s ease-in-out infinite}.nav-links .nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(216,30,5,0.35)}@keyframes ctaGlow{0%,100%{box-shadow:0 4px 15px rgba(216,30,5,0.25)}50%{box-shadow:0 4px 25px rgba(216,30,5,0.4)}}.nav-toggle{flex-direction:column;gap:5px;cursor:pointer;padding:8px}.nav-toggle span{width:24px;height:2.5px;background:var(--blue-primary);border-radius:2px;transition:all .3s}.subpage-header{padding:140px 24px 80px;background:linear-gradient(135deg,var(--blue-primary) 0%,#003380 50%,#1a0a30 100%);position:relative;overflow:hidden;text-align:center;color:#fff}.subpage-header::before{content:'';position:absolute;top:-50%;right:-30%;width:600px;height:600px;background:radial-gradient(circle,rgba(216,30,5,0.15),transparent 70%);border-radius:50%}.subpage-header::after{content:'';position:absolute;bottom:-30%;left:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(0,71,171,0.2),transparent 70%);border-radius:50%}.subpage-title{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:12px;position:relative;z-index:1}.subpage-breadcrumb{font-size:14px;opacity:.8;position:relative;z-index:1}.subpage-breadcrumb a{color:#fff;text-decoration:none;opacity:.8;transition:opacity .3s ease}.subpage-breadcrumb a:hover{opacity:1}/* 移动端导航样式 */ @media (max-width: 768px) { .nav-links { display: none !important; } .nav-links.open { display: flex !important; } .nav-toggle { display: flex !important; } }