*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#2d2d2d;background:#fafafa;line-height:1.8;font-size:16px;overflow-x:hidden}
:root{--primary:#FF6B35;--secondary:#004E89;--accent:#F7B801;--dark:#1a1a2e;--light:#f5f5f5;--text:#2d2d2d;--gray:#6b7280;--white:#ffffff;--border:#e5e7eb;--shadow:0 4px 20px rgba(0,0,0,0.08);--glass:rgba(255,255,255,0.72);--glass-border:rgba(255,255,255,0.4)}
[data-theme="dark"]{--primary:#FF8C5A;--secondary:#3B82F6;--accent:#FBBF24;--dark:#0f0f1a;--light:#1a1a2e;--text:#e5e7eb;--gray:#9ca3af;--white:#1e1e2e;--border:#2d2d3d;--shadow:0 4px 20px rgba(0,0,0,0.3);--glass:rgba(30,30,46,0.7);--glass-border:rgba(255,255,255,0.08)}
body{background:var(--light);color:var(--text);transition:background .3s,color .3s}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--secondary)}
img,svg{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;top:-100px;left:0;background:var(--primary);color:#fff;padding:10px 20px;z-index:10000;transition:top .3s}
.skip-link:focus{top:0}
header{position:sticky;top:0;z-index:1000;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);box-shadow:0 2px 10px rgba(0,0,0,0.06);transition:background .3s,box-shadow .3s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.logo svg{width:32px;height:32px;transition:transform .4s ease}
.logo:hover svg{transform:rotate(360deg) scale(1.08)}
nav ul{display:flex;list-style:none;gap:24px}
nav a{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:4px 0}
nav a::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;transition:width .3s}
nav a:hover{color:var(--primary)}
nav a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;background:var(--light);border-radius:20px;padding:6px 14px;border:1px solid var(--border);transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,53,0.15)}
.search-box input{border:none;background:transparent;outline:none;font-size:14px;width:140px;color:var(--text)}
.search-box input::placeholder{color:var(--gray)}
.search-box button{background:none;border:none;cursor:pointer;color:var(--gray);font-size:14px;transition:transform .2s}
.search-box button:hover{transform:scale(1.15)}
.theme-toggle{background:none;border:1px solid var(--border);border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:16px;transition:transform .3s,border-color .2s,background .2s}
.theme-toggle:hover{transform:rotate(20deg) scale(1.08);border-color:var(--primary)}
.mobile-menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}
.breadcrumb{padding:12px 0;font-size:13px;color:var(--gray)}
.breadcrumb a{color:var(--gray)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 6px}
.hero{background:linear-gradient(135deg,#FF6B35 0%,#F7B801 55%,#FF8C5A 100%);color:#fff;padding:60px 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:rgba(255,255,255,0.12);border-radius:50%;animation:float 12s ease-in-out infinite}
.hero::after{content:"";position:absolute;bottom:-60%;left:-8%;width:420px;height:420px;background:rgba(255,255,255,0.08);border-radius:50%;animation:float 16s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-20px,30px) scale(1.08)}}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:36px;font-weight:800;line-height:1.3;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,0.12)}
.hero p{font-size:16px;opacity:.95;margin-bottom:24px;line-height:1.9}
.hero-cta{display:inline-block;background:#fff;color:var(--primary);padding:12px 32px;border-radius:30px;font-weight:700;font-size:16px;box-shadow:0 6px 18px rgba(0,0,0,0.15);transition:transform .25s,box-shadow .25s}
.hero-cta:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 28px rgba(0,0,0,0.25);color:var(--primary)}
.hero-stats{display:flex;gap:32px;margin-top:32px}
.hero-stat .num{font-size:28px;font-weight:800;letter-spacing:.5px}
.hero-stat .label{font-size:13px;opacity:.85}
.carousel{position:relative;height:280px;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.2)}
.carousel-slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center}
.carousel-slide.active{opacity:1}
.carousel-slide h3{font-size:22px;font-weight:700;margin-bottom:8px}
.carousel-slide p{font-size:14px;opacity:.92}
.carousel-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:2}
.carousel-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.5);cursor:pointer;transition:background .3s,transform .3s}
.carousel-dots span:hover{transform:scale(1.2)}
.carousel-dots span.active{background:#fff;transform:scale(1.15)}
section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:28px;font-weight:800;color:var(--text);margin-bottom:10px}
.section-title p{color:var(--gray);font-size:15px}
.section-title .underline{width:60px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;margin:12px auto 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--white);border-radius:12px;padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;border:1px solid var(--border)}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.12);border-color:rgba(255,107,53,0.35)}
.card-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:transform .3s}
.card:hover .card-icon{transform:scale(1.08) rotate(-4deg)}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.card p{color:var(--gray);font-size:14px;line-height:1.8}
.card ul li{padding:4px 0}
.card ul li a{font-size:14px;color:var(--gray)}
.card ul li a:hover{color:var(--primary)}
.intro-section{background:var(--white)}
.intro-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.intro-text h2{font-size:26px;font-weight:800;margin-bottom:16px}
.intro-text p{color:var(--gray);font-size:15px;line-height:2;margin-bottom:16px}
.intro-text ul{margin-top:16px}
.intro-text li{padding:6px 0;font-size:15px;color:var(--text);display:flex;align-items:flex-start;gap:8px}
.intro-text li::before{content:"✓";color:var(--primary);font-weight:700;flex-shrink:0}
.intro-visual{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .4s}
.intro-visual:hover{transform:scale(1.02)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:var(--white);border-radius:12px;padding:24px;box-shadow:var(--shadow);position:relative;border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.12)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:24px;width:32px;height:32px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;box-shadow:0 4px 12px rgba(255,107,53,0.35)}
.step h4{font-size:16px;font-weight:700;margin:8px 0 8px}
.step p{font-size:13px;color:var(--gray);line-height:1.8}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{background:var(--white);border-radius:12px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s,border-color .3s}
.article-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,0.12);border-color:rgba(255,107,53,0.35)}
.article-card .meta{font-size:12px;color:var(--gray);margin-bottom:8px;display:flex;gap:12px}
.article-card h3{font-size:17px;font-weight:700;margin-bottom:10px;line-height:1.5}
.article-card p{font-size:14px;color:var(--gray);line-height:1.8;margin-bottom:12px}
.article-card .read-more{font-size:14px;font-weight:600;color:var(--primary);transition:letter-spacing .2s}
.article-card .read-more:hover{letter-spacing:.5px}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border-radius:10px;margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border);transition:border-color .3s}
.faq-item:hover{border-color:rgba(255,107,53,0.35)}
.faq-q{padding:18px 22px;font-weight:600;font-size:15px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background .2s}
.faq-q:hover{background:var(--light)}
.faq-q .arrow{transition:transform .3s;font-size:12px;color:var(--gray);flex-shrink:0}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:600px;padding:0 22px 18px}
.faq-a p{font-size:14px;color:var(--gray);line-height:1.9}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--white);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.12)}
.case-card .case-body{padding:22px}
.case-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.case-card p{font-size:14px;color:var(--gray);line-height:1.8}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial{background:var(--white);border-radius:12px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.testimonial:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.12)}
.testimonial .quote{font-size:14px;color:var(--gray);line-height:1.9;margin-bottom:16px;font-style:italic}
.testimonial .author{display:flex;align-items:center;gap:12px}
.testimonial .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}
.testimonial .author-info .name{font-weight:600;font-size:14px}
.testimonial .author-info .role{font-size:12px;color:var(--gray)}
.news-list{max-width:900px;margin:0 auto}
.news-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);align-items:flex-start;transition:transform .3s}
.news-item:hover{transform:translateX(6px)}
.news-date{flex-shrink:0;text-align:center;background:var(--white);border:1px solid var(--border);border-radius:8px;padding:8px 12px;min-width:70px}
.news-date .day{font-size:20px;font-weight:800;color:var(--primary)}
.news-date .month{font-size:12px;color:var(--gray)}
.news-content h3{font-size:16px;font-weight:600;margin-bottom:6px}
.news-content p{font-size:13px;color:var(--gray);line-height:1.8}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item .ci-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s}
.contact-item:hover .ci-icon{transform:scale(1.08) rotate(-4deg)}
.contact-item h4{font-size:15px;font-weight:700;margin-bottom:4px}
.contact-item p{font-size:14px;color:var(--gray)}
.contact-form{background:var(--white);border-radius:12px;padding:28px;box-shadow:var(--shadow);border:1px solid var(--border)}
.contact-form h3{font-size:18px;font-weight:700;margin-bottom:20px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:var(--light);color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s;font-family:inherit}
.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,53,0.15)}
.form-group textarea{resize:vertical;min-height:100px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s,filter .2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,53,0.35);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
footer{background:var(--dark);color:#ccc;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col p,.footer-col a{font-size:13px;color:#aaa;line-height:2}
.footer-col a:hover{color:var(--primary)}
.footer-col ul{list-style:none}
.footer-bottom{border-top:1px solid #333;padding-top:20px;text-align:center;font-size:12px;color:#888}
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(255,107,53,0.4);z-index:999;transition:transform .2s,box-shadow .2s;font-size:18px}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(255,107,53,0.5)}
.back-to-top.show{display:flex}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-cloud span{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:4px 14px;font-size:13px;color:var(--gray);transition:all .2s;cursor:default}
.tag-cloud span:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.howto-steps{max-width:800px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:28px;padding-bottom:28px;border-bottom:1px dashed var(--border)}
.howto-step:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.howto-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0;box-shadow:0 4px 12px rgba(255,107,53,0.3)}
.howto-body h4{font-size:16px;font-weight:700;margin-bottom:8px}
.howto-body p{font-size:14px;color:var(--gray);line-height:1.9}
@media(max-width:900px){
.hero-inner,.intro-content,.contact-grid{grid-template-columns:1fr}
.grid-3,.grid-4,.case-grid,.testimonial-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.article-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.hero h1{font-size:30px}
}
@media(max-width:600px){
nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);flex-direction:column;padding:16px 20px;box-shadow:0 8px 20px rgba(0,0,0,0.1);gap:0;border-bottom:1px solid var(--glass-border)}
nav ul.open{display:flex}
nav ul li{padding:10px 0;border-bottom:1px solid var(--border)}
nav ul li:last-child{border-bottom:none}
.mobile-menu-btn{display:block}
.search-box{display:none}
.hero h1{font-size:26px}
.hero p{font-size:15px}
.hero-stats{flex-wrap:wrap;gap:16px}
.grid-3,.grid-4,.case-grid,.testimonial-grid,.steps{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.section-title h2{font-size:22px}
.carousel{height:220px}
.carousel-slide h3{font-size:18px}
section{padding:44px 0}
}
@media(prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important}
.reveal{opacity:1;transform:none}
}