:root{--bg: #ffffff;--fg: #1a365d;--muted: #4a5568;--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--accent: #0ea5e9;--accent-light: #38bdf8;--gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);--gradient-soft: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);--gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);--shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-large: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif;color:var(--fg);background:var(--gradient-soft);background-attachment:fixed;line-height:1.6}a{color:var(--primary);text-decoration:none;transition:all .3s ease}a:hover{color:var(--primary-light);transform:translateY(-1px)}#app{padding-bottom:40px;min-height:100vh;position:relative}#app:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 80%,rgba(37,99,235,.1) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(14,165,233,.1) 0%,transparent 50%),radial-gradient(circle at 40% 40%,rgba(59,130,246,.05) 0%,transparent 50%);pointer-events:none;z-index:-1}.container{max-width:1120px;margin:0 auto;padding:0 16px}.site-header{position:sticky;top:0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffe6;border-bottom:1px solid rgba(37,99,235,.1);box-shadow:var(--shadow-soft);z-index:100;transition:all .3s ease}.brand{display:flex;align-items:center;gap:12px;padding:10px 0}.nav{display:flex;gap:16px}.site-footer{text-align:center;padding:10px 0;color:var(--muted);background:#fffc;border-top:1px solid rgba(37,99,235,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand__logo-wrapper{position:relative;display:inline-block}.brand__logo{width:200px;height:72px;border-radius:12px;object-fit:contain;transition:all .3s ease;filter:drop-shadow(0 4px 8px rgba(37,99,235,.2))}.brand__logo-glow{position:absolute;inset:-4px;background:var(--gradient);border-radius:16px;opacity:0;transition:opacity .3s ease;z-index:-1}.brand__logo-wrapper:hover .brand__logo-glow{opacity:.3}.brand__logo-wrapper:hover .brand__logo{transform:scale(1.05)}.brand__name{margin:0;font-size:20px}.brand__slogan{margin:2px 0 0;color:#666;font-size:13px}.nav__link{color:inherit;opacity:.8;padding:8px 16px;border-radius:8px;transition:all .3s ease;position:relative}.nav__link:hover{opacity:1;background:#2563eb1a;color:var(--primary);transform:translateY(-2px)}.nav__link:after{content:"";position:absolute;bottom:-2px;left:50%;width:0;height:2px;background:var(--gradient);transition:all .3s ease;transform:translate(-50%)}.nav__link:hover:after{width:80%}.hero{padding:120px 0 80px;text-align:center;position:relative;overflow:hidden;background:var(--gradient-hero);color:#fff}.hero__background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.hero__pattern{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 25% 25%,rgba(255,255,255,.1) 0%,transparent 50%),radial-gradient(circle at 75% 75%,rgba(255,255,255,.05) 0%,transparent 50%)}.hero__shapes{position:absolute;top:0;left:0;width:100%;height:100%}.shape{position:absolute;border-radius:50%;background:#ffffff1a;animation:float 6s ease-in-out infinite}.shape--1{width:80px;height:80px;top:20%;left:10%;animation-delay:0s}.shape--2{width:120px;height:120px;top:60%;right:15%;animation-delay:2s}.shape--3{width:60px;height:60px;top:40%;left:80%;animation-delay:4s}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(180deg)}}.hero__content{position:relative;z-index:2}.hero__title{font-size:3rem;margin:0 0 20px;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.1)}.hero__description{margin:0 auto 40px;max-width:720px;font-size:1.2rem;opacity:.9;line-height:1.6}.hero__stats{display:flex;justify-content:center;gap:40px;margin-top:40px}.stat{text-align:center}.stat__number{font-size:2.5rem;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.1)}.stat__label{font-size:.9rem;opacity:.8;margin-top:4px}.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid transparent;text-decoration:none}.beian-icon{width:16px;height:16px;vertical-align:-3px;margin-right:6px}.section{padding:80px 0;position:relative}.section--alt{background:linear-gradient(135deg,#f8fafc,#e2e8f0);position:relative}.section--alt:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 20%,rgba(37,99,235,.05) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(14,165,233,.05) 0%,transparent 50%);pointer-events:none}.section--cta{padding:20px 0;background:var(--gradient);color:#fff;position:relative;overflow:hidden}.section--cta:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.1) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(255,255,255,.05) 0%,transparent 50%);pointer-events:none}.section--cta h2,.section--cta p{color:#fff}.section h2{margin:0 0 20px;font-size:2.5rem;font-weight:700;text-align:center;position:relative}.section h2:after{content:"";position:absolute;bottom:-10px;left:50%;width:60px;height:4px;background:var(--gradient);border-radius:2px;transform:translate(-50%)}.service-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px 20px;margin:0;padding:0;list-style:none}.service-list li{background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow-soft);border-left:4px solid var(--primary);transition:all .3s ease;position:relative}.service-list li:hover{transform:translateY(-4px);box-shadow:var(--shadow-medium);border-left-color:var(--accent)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:40px}.card{background:#fff;border-radius:16px;padding:32px;box-shadow:var(--shadow-soft);border:1px solid rgba(37,99,235,.1);transition:all .3s ease;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--gradient)}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-large);border-color:var(--primary)}.card h4{font-size:1.5rem;margin:0 0 16px;color:var(--fg);font-weight:600}.card p{color:var(--muted);line-height:1.6;margin-bottom:20px}.card__features{display:flex;flex-wrap:wrap;gap:8px}.feature-tag{background:#2563eb1a;color:var(--primary);padding:4px 12px;border-radius:20px;font-size:.85rem;font-weight:500;border:1px solid rgba(37,99,235,.2)}.contact-info{display:flex;flex-direction:row;gap:24px;margin-top:40px;text-align:left}.contact-item{display:flex;align-items:flex-start;gap:16px;background:#ffffff1a;padding:10px;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);transition:all .3s ease;width:540px}.contact-item:hover{background:#ffffff26;transform:translateY(-2px)}.contact-icon{font-size:2rem;flex-shrink:0;margin-top:4px}.contact-details h3{margin:0 0 8px;font-size:1.2rem;font-weight:600;color:#fff;text-align:left}.contact-details p{margin:0;color:#ffffffe6;line-height:1.5;text-align:left}.contact-link{color:#fff;text-decoration:none;font-weight:500;border-bottom:1px solid rgba(255,255,255,.3);transition:all .3s ease}.contact-link:hover{color:#fbbf24;border-bottom-color:#fbbf24;transform:translateY(-1px)}@media (max-width: 768px){.hero{padding:80px 0 48px}.hero__title{font-size:2rem}.hero__stats{flex-direction:column;gap:20px}.brand{flex-direction:column;text-align:center;gap:16px}.brand__logo{width:150px;height:54px}.nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;gap:8px}.nav__link{padding:8px 12px;font-size:14px}.cards{grid-template-columns:1fr}.card{padding:20px}.service-list{grid-template-columns:1fr}.service-list li{padding:16px}.section h2{font-size:2rem}.section{padding:48px 0}.hero__description{font-size:1rem}.stat__number{font-size:2rem}.contact-info{flex-direction:column;gap:20px;max-width:100%}.contact-item{width:100%;padding:20px}.contact-details h3,.contact-details p{text-align:left}}@media (min-width: 768px){.site-header .container{display:flex;align-items:center;justify-content:space-between}.hero__stats{gap:60px}}@media (min-width: 1024px){.hero__title{font-size:3.5rem}.section h2{font-size:3rem}.hero__stats{gap:80px}}@media (min-width: 1200px){.container{max-width:1200px}.hero__title{font-size:4rem}}