*{margin:0;padding:0;box-sizing:border-box}
:root{
    --c1:#f97316;
    --c1d:#ea580c;
    --c1l:#fed7aa;
    --c2:#1f2937;
    --c2d:#111827;
    --c3:#ffffff;
    --c3l:#f9fafb;
    --c3g:#f3f4f6;
    --tx:#374151;
    --txl:#6b7280;
    --bd:#e5e7eb;
    --sh:0 2px 8px rgba(0,0,0,.08);
    --shl:0 10px 30px rgba(0,0,0,.12);
    --rd:10px;
    --tr:all .3s ease
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;color:var(--tx);background:var(--c3);-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{color:var(--c1);text-decoration:none;transition:var(--tr)}
a:hover{color:var(--c1d)}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--c2)}
h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}
@media(max-width:768px){h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}

.top-notice{background:var(--c2);color:#fff;padding:10px 0;font-size:.85rem;text-align:center}
.top-notice span{opacity:.9}

.site-header{background:var(--c3);box-shadow:var(--sh);position:sticky;top:0;z-index:1000;padding:16px 0}
.header-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:48px;height:48px;background:linear-gradient(135deg,var(--c1),var(--c1d));color:#fff;display:flex;align-items:center;justify-content:center;border-radius:var(--rd);font-weight:700;font-size:1.1rem}
.brand-info{display:flex;flex-direction:column}
.brand-info strong{font-size:1.1rem;color:var(--c2)}
.brand-info em{font-size:.8rem;color:var(--txl);font-style:normal}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--c2);transition:var(--tr)}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{padding:8px 16px;color:var(--tx);font-weight:500;border-radius:6px;transition:var(--tr)}
.main-nav a:hover{background:var(--c1l);color:var(--c1d)}

.banner{background:linear-gradient(135deg,var(--c3g) 0%,#fff 100%);padding:80px 0;position:relative;overflow:hidden}
.banner::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,var(--c1l) 0%,transparent 70%);opacity:.3}
.banner-layout{display:grid;grid-template-columns:1fr 400px;gap:60px;align-items:center;position:relative;z-index:1}
.banner-badge{display:inline-block;background:var(--c1l);color:var(--c1d);padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:20px}
.banner-title{font-size:2.8rem;margin-bottom:20px;color:var(--c2);line-height:1.2}
.banner-lead{font-size:1.1rem;color:var(--txl);margin-bottom:30px;line-height:1.8}
.banner-btns{display:flex;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.btn-cta{display:inline-flex;align-items:center;gap:8px;background:var(--c1);color:#fff;padding:14px 28px;border-radius:var(--rd);font-weight:600;transition:var(--tr);box-shadow:0 4px 12px rgba(249,115,22,.3)}
.btn-cta:hover{background:var(--c1d);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(249,115,22,.4)}
.btn-cta i{font-style:normal}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--c1);padding:14px 28px;border-radius:var(--rd);font-weight:600;border:2px solid var(--c1);transition:var(--tr)}
.btn-ghost:hover{background:var(--c1);color:#fff}
.banner-badges{display:flex;gap:20px;flex-wrap:wrap}
.banner-badges span{color:var(--tx);font-size:.9rem;font-weight:500}
.banner-card{background:var(--c3);border-radius:var(--rd);box-shadow:var(--shl);overflow:hidden}
.card-head{background:linear-gradient(135deg,var(--c1),var(--c1d));color:#fff;padding:24px;text-align:center}
.card-head h3{color:#fff;margin-bottom:8px}
.card-head p{opacity:.9;font-size:.9rem}
.card-body{padding:24px}
.card-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--bd);gap:12px;flex-wrap:wrap}
.card-row:last-child{border-bottom:none}
.card-label{font-size:.85rem;color:var(--txl)}
.card-value{font-weight:600;color:var(--c2);font-size:1rem}
.card-value.orange{color:var(--c1d);font-size:1.1rem}
.card-copy{background:var(--c3g);color:var(--tx);border:1px solid var(--bd);padding:4px 12px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:var(--tr)}
.card-copy:hover{background:var(--c1);color:#fff;border-color:var(--c1)}

.counter-bar{background:var(--c2);padding:40px 0}
.counter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.counter-item{color:#fff}
.counter-num{font-size:2.5rem;font-weight:700;color:var(--c1);margin-bottom:8px}
.counter-text{font-size:.9rem;opacity:.8}

.section{padding:80px 0}
.section-alt{background:var(--c3g)}
.section-dark{background:var(--c2);color:#fff}
.section-head{text-align:center;margin-bottom:50px}
.section-head.center{display:flex;flex-direction:column;align-items:center}
.section-label{display:inline-block;color:var(--c1);font-size:.85rem;font-weight:600;letter-spacing:2px;margin-bottom:12px}
.section-title{margin-bottom:16px}
.section-head.center .section-title{color:var(--c2)}
.section-head.light .section-title{color:#fff}
.section-sub{color:var(--txl);font-size:1rem}
.section-head.light .section-sub{color:rgba(255,255,255,.7)}

.about-layout{display:grid;grid-template-columns:1fr 380px;gap:50px;align-items:start}
.about-text h3{margin-bottom:20px;color:var(--c2)}
.about-text p{margin-bottom:16px;line-height:1.8}
.about-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.highlight-item{background:var(--c3);padding:20px;border-radius:var(--rd);border:1px solid var(--bd);text-align:center}
.highlight-item h4{color:var(--c1d);margin-bottom:8px;font-size:1rem}
.highlight-item p{font-size:.85rem;color:var(--txl);margin:0}
.info-panel{background:var(--c3);border-radius:var(--rd);padding:30px;box-shadow:var(--sh);border:1px solid var(--bd)}
.info-panel h4{margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--c1);color:var(--c2)}
.info-list{list-style:none}
.info-list li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--bd)}
.info-list li:last-child{border-bottom:none}
.info-icon{font-size:1.2rem}
.info-list small{display:block;font-size:.75rem;color:var(--txl)}
.info-list strong{display:block;font-size:.95rem;color:var(--c2)}

.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.service-box{background:var(--c3);padding:30px;border-radius:var(--rd);border:1px solid var(--bd);transition:var(--tr);position:relative;overflow:hidden}
.service-box:hover{transform:translateY(-5px);box-shadow:var(--shl);border-color:var(--c1)}
.service-box::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--c1);transform:scaleX(0);transition:var(--tr);transform-origin:left}
.service-box:hover::before{transform:scaleX(1)}
.service-num{font-size:2.5rem;font-weight:700;color:var(--c1l);margin-bottom:16px;line-height:1}
.service-box h3{margin-bottom:12px;color:var(--c2)}
.service-box p{color:var(--txl);margin-bottom:16px;font-size:.9rem;line-height:1.7}
.service-box ul{list-style:none}
.service-box ul li{padding:6px 0;font-size:.85rem;color:var(--tx);position:relative;padding-left:16px}
.service-box ul li::before{content:'✓';position:absolute;left:0;color:var(--c1);font-weight:700}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.why-card{background:var(--c3);padding:30px;border-radius:var(--rd);text-align:center;border:1px solid var(--bd);transition:var(--tr)}
.why-card:hover{transform:translateY(-5px);box-shadow:var(--shl);border-color:var(--c1)}
.why-icon{font-size:2.5rem;margin-bottom:16px}
.why-card h3{margin-bottom:12px;color:var(--c2)}
.why-card p{color:var(--txl);font-size:.9rem;line-height:1.7}

.contact-layout{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}
.contact-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--rd);padding:40px}
.contact-panel h3{color:#fff;margin-bottom:12px;font-size:1.5rem}
.contact-desc{color:rgba(255,255,255,.7);margin-bottom:30px}
.contact-list{display:flex;flex-direction:column;gap:0}
.contact-entry{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);flex-wrap:wrap}
.contact-entry:last-child{border-bottom:none}
.contact-key{font-size:.85rem;color:rgba(255,255,255,.6);min-width:100px}
.contact-val{color:#fff;font-weight:500;font-size:1rem}
.contact-val.highlight{color:var(--c1);font-size:1.2rem;font-weight:700}
.contact-val a{color:var(--c1)}
.contact-copy{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:var(--tr)}
.contact-copy:hover{background:var(--c1);border-color:var(--c1)}
.wechat-panel{background:var(--c3);border-radius:var(--rd);padding:30px;text-align:center}
.wechat-panel h3{color:var(--c2);margin-bottom:12px}
.wechat-panel>p{color:var(--txl);font-size:.9rem;margin-bottom:20px}
.wechat-id-box{background:var(--c3g);border:2px dashed var(--c1);border-radius:var(--rd);padding:20px;margin-bottom:20px}
.wechat-id-box span{display:block;font-size:.8rem;color:var(--txl);margin-bottom:4px}
.wechat-id-box strong{display:block;font-size:1.5rem;color:var(--c1d);font-weight:700}
.wechat-copy-btn{background:var(--c1);color:#fff;border:none;padding:12px 24px;border-radius:var(--rd);font-weight:600;cursor:pointer;transition:var(--tr);width:100%}
.wechat-copy-btn:hover{background:var(--c1d)}
.wechat-tips{text-align:left;margin-top:20px;padding-top:20px;border-top:1px solid var(--bd)}
.wechat-tips p{font-size:.85rem;color:var(--tx);margin-bottom:8px}
.wechat-tips ul{list-style:none;padding-left:0}
.wechat-tips ul li{font-size:.8rem;color:var(--txl);padding:4px 0;padding-left:16px;position:relative}
.wechat-tips ul li::before{content:'✓';position:absolute;left:0;color:var(--c1);font-weight:700}

.faq-wrap{max-width:800px;margin:0 auto}
.faq-block{background:var(--c3);border:1px solid var(--bd);border-radius:var(--rd);margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:none;border:none;cursor:pointer;text-align:left;font-size:1rem;font-weight:600;color:var(--c2);transition:var(--tr)}
.faq-q:hover{background:var(--c3g)}
.faq-ico{font-style:normal;font-size:1.5rem;color:var(--c1);transition:var(--tr);font-weight:300}
.faq-block.active .faq-ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-block.active .faq-a{max-height:200px}
.faq-a p{padding:0 24px 18px;color:var(--txl);line-height:1.7}
.faq-a strong{color:var(--c1d)}

.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.article-card{background:var(--c3);border-radius:var(--rd);overflow:hidden;border:1px solid var(--bd);transition:var(--tr);display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shl);border-color:var(--c1)}
.article-date{background:linear-gradient(135deg,var(--c1),var(--c1d));color:#fff;padding:20px;text-align:center}
.date-day{display:block;font-size:2rem;font-weight:700;line-height:1}
.date-month{display:block;font-size:.8rem;opacity:.9;margin-top:4px}
.article-body{padding:24px;flex:1;display:flex;flex-direction:column}
.article-body h3{margin-bottom:12px;font-size:1.1rem}
.article-body h3 a{color:var(--c2)}
.article-body h3 a:hover{color:var(--c1)}
.article-body p{color:var(--txl);font-size:.9rem;margin-bottom:16px;flex:1}
.read-more{color:var(--c1);font-weight:600;font-size:.9rem}
.read-more:hover{color:var(--c1d)}

.site-footer{background:var(--c2d);color:#fff;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand h3{color:#fff;margin-bottom:16px;font-size:1.2rem}
.footer-brand p{color:rgba(255,255,255,.6);font-size:.9rem;margin-bottom:16px}
.footer-contacts p{color:rgba(255,255,255,.7);font-size:.85rem;margin:6px 0}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-col ul{list-style:none}
.footer-col ul li{margin:8px 0}
.footer-col ul li a{color:rgba(255,255,255,.6);font-size:.9rem;transition:var(--tr)}
.footer-col ul li a:hover{color:var(--c1)}
.footer-info li{color:rgba(255,255,255,.6);font-size:.85rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{color:rgba(255,255,255,.5);font-size:.85rem}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c1)}

.floating-btns{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:12px;z-index:999}
.float-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;transition:var(--tr);border:none;box-shadow:var(--shl)}
.btn-call{background:var(--c1);color:#fff}
.btn-call:hover{background:var(--c1d);transform:scale(1.1)}
.btn-chat{background:var(--c2);color:#fff}
.btn-chat:hover{background:var(--c2d);transform:scale(1.1)}
.btn-top{background:var(--c3);color:var(--c2);border:1px solid var(--bd);opacity:0;visibility:hidden}
.btn-top.show{opacity:1;visibility:visible}
.btn-top:hover{background:var(--c1);color:#fff;border-color:var(--c1)}

.toast-msg{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);background:rgba(0,0,0,.8);color:#fff;padding:12px 24px;border-radius:var(--rd);font-size:.9rem;opacity:0;visibility:hidden;transition:var(--tr);z-index:9999}
.toast-msg.show{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}

@media(max-width:1024px){
    .banner-layout{grid-template-columns:1fr;gap:40px}
    .banner-card{max-width:400px}
    .about-layout{grid-template-columns:1fr;gap:30px}
    .services-grid{grid-template-columns:repeat(2,1fr)}
    .why-grid{grid-template-columns:repeat(2,1fr)}
    .contact-layout{grid-template-columns:1fr;gap:30px}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .menu-toggle{display:flex}
    .main-nav{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--c3);flex-direction:column;padding:80px 20px 20px;box-shadow:var(--shl);transition:var(--tr);align-items:stretch;gap:0}
    .main-nav.open{right:0}
    .main-nav a{padding:14px 16px;border-radius:0;border-bottom:1px solid var(--bd)}
    .banner{padding:50px 0}
    .banner-title{font-size:2rem}
    .counter-grid{grid-template-columns:repeat(2,1fr);gap:20px}
    .section{padding:50px 0}
    .services-grid{grid-template-columns:1fr}
    .why-grid{grid-template-columns:1fr}
    .articles-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column;text-align:center}
    .about-highlights{grid-template-columns:1fr}
    .contact-entry{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:480px){
    .banner-btns{flex-direction:column}
    .btn-cta,.btn-ghost{width:100%;justify-content:center}
    .card-row{flex-direction:column;align-items:flex-start;gap:8px}
    .card-copy{width:100%}
}

/* Article Pages */
.article-hero{background:linear-gradient(135deg,var(--c3g) 0%,#fff 100%);padding:50px 0 40px;border-bottom:1px solid var(--bd)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--txl);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--c1)}
.breadcrumb span{color:var(--txl)}
.article-title{font-size:2rem;margin-bottom:12px;color:var(--c2)}
.article-meta{display:flex;gap:20px;font-size:.85rem;color:var(--txl);flex-wrap:wrap}
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:50px 0}
.article-main{background:var(--c3)}
.article-main h2{font-size:1.4rem;margin:28px 0 14px;color:var(--c2);padding-bottom:8px;border-bottom:2px solid var(--c1l)}
.article-main h3{font-size:1.2rem;margin:20px 0 10px;color:var(--c2)}
.article-main p{margin-bottom:14px;line-height:1.8}
.article-main ul,.article-main ol{margin:14px 0;padding-left:24px}
.article-main li{margin-bottom:8px;line-height:1.8}
.article-main strong{color:var(--c1d)}
.article-contact{background:var(--c3g);border:1px solid var(--bd);border-radius:var(--rd);padding:20px;margin:20px 0}
.contact-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--bd);flex-wrap:wrap}
.contact-item:last-child{border-bottom:none}
.contact-item .contact-label{font-weight:600;color:var(--c2);min-width:80px}
.contact-item .contact-value{color:var(--c1d);font-weight:500}
.copy-btn{background:var(--c1);color:#fff;border:none;padding:5px 14px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:var(--tr)}
.copy-btn:hover{background:var(--c1d)}
.article-tags{margin-top:28px;padding-top:20px;border-top:1px solid var(--bd);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.article-tags span{font-weight:600;color:var(--c2)}
.article-tags a{background:var(--c1l);color:var(--c1d);padding:5px 12px;border-radius:4px;font-size:.85rem}
.article-tags a:hover{background:var(--c1);color:#fff}
.article-sidebar{position:sticky;top:90px;align-self:start}
.sidebar-box{background:var(--c3g);border:1px solid var(--bd);border-radius:var(--rd);padding:20px;margin-bottom:20px}
.sidebar-box h3{font-size:1rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--c1)}
.sidebar-contact{margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--bd)}
.sidebar-contact:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.sidebar-contact p{margin:4px 0}
.sidebar-contact .highlight{color:var(--c1d);font-size:1.1rem;font-weight:700}
.related-articles{list-style:none;padding:0}
.related-articles li{margin-bottom:10px}
.related-articles a{color:var(--tx);display:block;padding:8px 12px;background:var(--c3);border-radius:4px;border:1px solid var(--bd);transition:var(--tr);font-size:.9rem}
.related-articles a:hover{background:var(--c1l);color:var(--c1d);border-color:var(--c1)}
@media(max-width:968px){
    .article-grid{grid-template-columns:1fr;gap:30px;padding:30px 0}
    .article-sidebar{position:static}
    .article-title{font-size:1.5rem}
}
@media(max-width:640px){
    .article-hero{padding:30px 0 20px}
    .article-title{font-size:1.25rem}
    .article-meta{flex-direction:column;gap:6px}
    .contact-item{flex-direction:column;align-items:flex-start;gap:6px}
    .copy-btn{width:100%}
}