*{margin:0;padding:0;box-sizing:border-box}
a{text-decoration:none;color:#333;transition:color .3s}
a:hover{color:#ff6b35}
ul,li{list-style:none}
img{max-width:100%;height:auto;display:block}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:14px;line-height:1.6;color:#333;background:#f5f5f5}
.container{max-width:1480px;margin:0 auto;padding:0 15px}
.header{background:linear-gradient(135deg,#ff6b35,#e85d2c);color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo h1{margin:0}
.logo img{width:60px;height:auto}
.header-info{text-align:right;font-size:12px}
.header-info .phone{font-size:18px;font-weight:700;color:#fff;display:block}
.header-info .wechat{font-size:12px;color:rgba(255,255,255,.9);cursor:pointer}
.nav-bar{background:rgba(0,0,0,.1);border-top:1px solid rgba(255,255,255,.15)}
.nav-bar ul{display:flex;overflow-x:auto;white-space:nowrap;padding:0;margin:0}
.nav-bar ul li{flex-shrink:0}
.nav-bar ul li a{display:block;padding:12px 18px;color:rgba(255,255,255,.9);font-size:14px;font-weight:500;position:relative}
.nav-bar ul li a:hover,.nav-bar ul li.active a{color:#fff;background:rgba(255,255,255,.15)}
.nav-bar ul li.active a:after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60%;height:3px;background:#fff;border-radius:2px}
.main-wrap{display:flex;gap:20px;padding:20px 0}
.main-content{flex:1;min-width:0}
.sidebar{width:320px;flex-shrink:0}
.sidebar-box{background:#fff;border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.sidebar-box h3{font-size:16px;font-weight:700;color:#333;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #ff6b35;position:relative}
.sidebar-box h3:after{content:'';position:absolute;bottom:-2px;left:0;width:40px;height:2px;background:#ff6b35}
.sidebar-box ul li{padding:8px 0;border-bottom:1px dashed #eee}
.sidebar-box ul li:last-child{border-bottom:none}
.sidebar-box ul li a{display:block;font-size:13px;color:#666;padding-left:12px;position:relative}
.sidebar-box ul li a:before{content:'\f105';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;color:#ff6b35}
.sidebar-box ul li a:hover{color:#ff6b35;padding-left:16px}
.contact-info{background: #fff;border-radius: 10px;padding: 20px;margin-bottom: 20px;box-shadow: 0 1px 6px rgba(0,0,0,.08);}
.contact-info .contact-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed #eee;font-size:13px;color:#555}
.contact-info .contact-item:last-child{border-bottom:none}
.contact-info .contact-item i{width:20px;color:#ff6b35;font-size:16px}
.contact-info .contact-item .copy-btn{display:inline-block;padding:2px 8px;background:#ff6b35;color:#fff;border:none;border-radius:4px;font-size:12px;cursor:pointer;margin-left:5px}
.hero-section{background:linear-gradient(135deg,#ff6b35,#e85d2c);border-radius:12px;padding:30px 20px;margin-bottom:25px;color:#fff;text-align:center;position:relative;overflow:hidden}
.hero-section:before{content:'';position:absolute;top:-50%;right:-30%;width:200px;height:200px;background:rgba(255,255,255,.08);border-radius:50%}
.hero-section:after{content:'';position:absolute;bottom:-40%;left:-20%;width:180px;height:180px;background:rgba(255,255,255,.06);border-radius:50%}
.hero-section h2{font-size:22px;font-weight:800;margin-bottom:10px;position:relative;z-index:1}
.hero-section p{font-size:14px;opacity:.9;margin-bottom:15px;position:relative;z-index:1}
.hero-section .hero-btn{display:inline-block;padding:10px 30px;background:#fff;color:#ff6b35;border-radius:25px;font-weight:700;font-size:15px;position:relative;z-index:1}
.hero-section .hero-btn:hover{background:#fff8f5;transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,.2)}
.section-title{font-size:18px;font-weight:700;color:#333;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #ff6b35;position:relative;display:flex;align-items:center;justify-content:space-between}
.section-title:after{content:'';position:absolute;bottom:-2px;left:0;width:50px;height:2px;background:#ff6b35}
.section-title .more{font-size:13px;color:#999;font-weight:400}
.price-grid{display:grid;grid-template-columns: repeat(4,1fr);gap:15px;margin-bottom:25px}
.price-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.price-card:hover{transform:translateY(-3px);box-shadow:0 4px 20px rgba(0,0,0,.12)}
.price-card .card-img{width:100%;object-fit:cover}
.price-card .card-body{padding:15px}
.price-card .card-body h3{font-size:15px;font-weight:700;margin-bottom:8px}
.price-card .card-body h3 a{color:#333}
.price-card .card-body h3 a:hover{color:#ff6b35}
.price-card .card-body .price-tag{display:inline-block;padding:3px 10px;background:#fff0e8;color:#ff6b35;border-radius:4px;font-size:13px;font-weight:600;margin-bottom:8px}
.price-card .card-body p{font-size:13px;color:#888;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.price-card .card-body .meta{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid #f0f0f0;font-size:12px;color:#aaa}
.compare-section{background:#fff;border-radius:10px;padding:20px;margin-bottom:25px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.compare-table{width:100%;border-collapse:collapse;font-size:13px}
.compare-table th{background:#ff6b35;color:#fff;padding:10px 8px;text-align:center;font-weight:600}
.compare-table td{padding:10px 8px;text-align:center;border-bottom:1px solid #f0f0f0;color:#555}
.compare-table tr:nth-child(even) td{background:#fafafa}
.compare-table tr:hover td{background:#fff8f5}
.compare-table .tag{display:inline-block;padding:2px 8px;border-radius:3px;font-size:12px;font-weight:600}
.compare-table .tag.hot{background:#ff6b35;color:#fff}
.compare-table .tag.green{background:#52c41a;color:#fff}
.compare-table .tag.blue{background:#1890ff;color:#fff}
.feature-grid{display:grid;grid-template-columns: repeat(3,1fr);gap:15px;margin-bottom:25px}
.feature-item{background:#fff;border-radius:10px;padding:20px;text-align:center;box-shadow:0 1px 6px rgba(0,0,0,.08);transition:transform .3s}
.feature-item:hover{transform:translateY(-3px)}
.feature-item .icon{width:50px;height:50px;margin:0 auto 12px;background:linear-gradient(135deg,#ff6b35,#ff8f5e);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff}
.feature-item h4{font-size:15px;font-weight:700;margin-bottom:6px}
.feature-item p{font-size:13px;color:#888}
.steps-section{background:#fff;border-radius:10px;padding:20px;margin-bottom:25px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.steps-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}
.step-item{text-align:center;padding:15px 10px;position:relative}
.step-item .step-num{width:36px;height:36px;background:#ff6b35;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;margin:0 auto 10px}
.step-item h4{font-size:14px;font-weight:600;margin-bottom:5px}
.step-item p{font-size:12px;color:#888}
.article-list{background:#fff;border-radius:10px;padding:20px;margin-bottom:25px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.article-item{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #f0f0f0}
.article-item:last-child{border-bottom:none}
.article-item .art-img{width:120px;border-radius:6px;object-fit:cover;flex-shrink:0}
.article-item .art-info{flex:1;min-width:0}
.article-item .art-info h3{font-size:15px;font-weight:600;margin-bottom:6px}
.article-item .art-info h3 a{color:#333}
.article-item .art-info h3 a:hover{color:#ff6b35}
.article-item .art-info p{font-size:13px;color:#888;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.article-item .art-info .art-meta{display:flex;gap:15px;margin-top:8px;font-size:12px;color:#aaa}
.article-item .art-info .art-meta span{display:flex;align-items:center;gap:4px}
.article-list-full .article-item .art-img{width:160px;height:110px}
.pagination{display:flex;justify-content:center;align-items:center;gap:5px;padding:20px 0;flex-wrap:wrap}
.pagination li{display:inline-block}
.pagination li a,.pagination li span{display:block;padding:8px 14px;background:#fff;border:1px solid #e8e8e8;border-radius:6px;color:#555;font-size:13px;transition:all .3s}
.pagination li a:hover{background:#ff6b35;color:#fff;border-color:#ff6b35}
.pagination li.thisclass a,.pagination li.thisclass span{background:#ff6b35;color:#fff;border-color:#ff6b35}
.breadcrumb{background:#fff;border-radius:8px;padding:10px 15px;margin-bottom:20px;font-size:13px;color:#888;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.breadcrumb a{color:#888}
.breadcrumb a:hover{color:#ff6b35}
.breadcrumb span{margin:0 5px;color:#ccc}
.content-page{background:#fff;border-radius:10px;padding:25px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.content-page .content-title{font-size:20px;font-weight:700;color:#333;margin-bottom:15px;line-height:1.4}
.content-page .content-meta{display:flex;gap:15px;font-size:13px;color:#aaa;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #f0f0f0;flex-wrap:wrap}
.content-page .content-body{font-size:15px;line-height:1.8;color:#444}
.content-page .content-body p{margin-bottom:15px}
.content-page .content-body img{border-radius:8px;margin:10px 0}
.content-page .content-body h2,.content-page .content-body h3{margin:20px 0 10px;color:#333}
.content-page .content-body h2{font-size:18px}
.content-page .content-body h3{font-size:16px}
.content-page .content-body ul,.content-page .content-body ol{padding-left:20px;margin-bottom:15px}
.content-page .content-body li{margin-bottom:5px}
.nav-links{display:flex;justify-content:space-between;gap:15px;margin-top:25px;padding-top:20px;border-top:1px solid #f0f0f0}
.nav-prev,.nav-next{flex:1;font-size:13px;color:#888}
.nav-prev span,.nav-next span{display:block;margin-bottom:5px;font-weight:600;color:#555}
.nav-prev a,.nav-next a{color:#ff6b35}
.nav-prev a:hover,.nav-next a:hover{text-decoration:underline}
.related-articles{margin-top:25px;padding-top:20px;border-top:1px solid #f0f0f0}
.related-articles h3{font-size:16px;font-weight:700;margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid #ff6b35}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.related-grid .related-item{background:#fafafa;border-radius:6px;padding:10px 12px;font-size:13px;transition:background .3s}
.related-grid .related-item:hover{background:#fff0e8}
.related-grid .related-item a{color:#555;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.related-grid .related-item a:hover{color:#ff6b35}
.about-page .about-content{background:#fff;border-radius:10px;padding:25px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.about-page .about-content h2{font-size:18px;font-weight:700;margin-bottom:15px;color:#333}
.about-page .about-content p{font-size:14px;color:#555;line-height:1.8;margin-bottom:12px}
.footer{background:#222;color:#aaa;padding:30px 0 20px}
.footer .footer-grid{display:grid;grid-template-columns: repeat(3,1fr);gap:20px;margin-bottom:20px}
.footer .footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #333}
.footer .footer-col p{font-size:13px;line-height:1.8}
.footer .footer-col ul li{padding:4px 0}
.footer .footer-col ul li a{color:#aaa;font-size:13px}
.footer .footer-col ul li a:hover{color:#ff6b35;padding-left:3px}
.footer .footer-bottom{text-align:center;padding-top:15px;border-top:1px solid #333;font-size:12px}
.footer .footer-bottom a{color:#aaa}
.footer .footer-bottom a:hover{color:#ff6b35}
.footer .footer-bottom p{margin-bottom:5px}
.copy-tip{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.8);color:#fff;padding:10px 20px;border-radius:8px;font-size:14px;z-index:9999;display:none}
.mobile-nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:5px}
@media(max-width:768px){
body{font-size:13px}
.container{padding:0 10px}
.header-top{padding:8px 0}
.header-info .phone{font-size:16px}
.nav-bar ul li a{padding:10px 14px;font-size:13px}
.main-wrap{flex-direction:column;padding:12px 0;gap:12px}
.sidebar{width:100%;display:none}
.hero-section{padding:20px 15px;border-radius:8px}
.hero-section h2{font-size:18px}
.hero-section p{font-size:13px}
.price-grid{grid-template-columns:1fr;gap:12px}
.price-card .card-img{height:150px}
.feature-grid{grid-template-columns:1fr 1fr;gap:10px}
.feature-item{padding:15px 10px}
.feature-item .icon{width:40px;height:40px;font-size:18px}
.steps-list{grid-template-columns:1fr 1fr;gap:10px}
.compare-section{padding:12px;overflow-x:auto}
.compare-table{font-size:12px}
.compare-table th,.compare-table td{padding:8px 5px}
.article-item{gap:10px}
.article-item .art-img{width:100px;height:75px}
.article-list-full .article-item .art-img{width:120px;height:85px}
.article-item .art-info h3{font-size:14px}
.content-page{padding:15px}
.content-page .content-title{font-size:18px}
.content-page .content-meta{gap:10px;font-size:12px}
.content-page .content-body{font-size:14px}
.nav-links{flex-direction:column;gap:10px}
.related-grid{grid-template-columns:1fr}
.footer .footer-grid{grid-template-columns:1fr 1fr;gap:15px;text-align: center;}
.footer{padding:20px 0 15px}
.section-title{font-size:16px}
.mobile-nav-toggle{display:block}
.nav-bar.collapsed ul{display:none}
.nav-bar ul{flex-wrap:wrap}
.nav-bar ul li{flex:1 1 auto;text-align:center}
.footer-col img {display: block;margin: 15px auto;}
}
@media(min-width:769px){
.sidebar{display:block!important}
}
@media(max-width:480px){
.feature-grid{grid-template-columns:1fr 1fr;gap:8px}
.steps-list{grid-template-columns:1fr;gap:8px}
.footer .footer-grid{grid-template-columns:1fr}
.article-item .art-img{width:80px;height:60px}
.article-list-full .article-item .art-img{width:100px;height:70px}
}
/* 移动端底部悬浮导航 2026-08-14 */
.mzixun{width:100%;position:fixed;bottom:0;left:50%;-webkit-transform:translate3d(-50%,0,0);transform:translate3d(-50%,0,0);overflow:hidden;background-color:#fff;border-top:1px solid #eceded;-webkit-box-shadow:0 0 4px rgba(0,0,0,.2);box-shadow:0 0 4px rgba(0,0,0,.2);z-index:9999;padding:15px 0}
.mzixun li{float:left;width:25%;text-align:center;height:100%;margin-top:5px;list-style:none}
.mzixun p{font-size:15px;padding-top:5px;text-align:center;color:#000}
.mzixun img{display:initial}
.footer-bottom{margin-bottom:85px}
.footer-links{display:none}
.pt-footer-bottom{margin-bottom:80px}
@media(min-width:901px){.mzixun{display:none}}