:root{--bg-dark:#0a0f1a;--bg-section:#141e30;--bg-card:#141e30;--bg-input:#0a0f1a;--gold:#3b82f6;--gold-light:#60a5fa;--gold-dark:#1d4ed8;--text-primary:#e6edf3;--text-secondary:#a8b3c0;--text-muted:#8b949e;--border:#141e30;--accent-blue:#06b6d4;--success:#3fb950;--danger:#f85149}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative;width:100%;max-width:100%}
a{color:var(--gold);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold-light)}
img{max-width:100%;height:auto}
img[data-src]{opacity:0;transition:opacity .3s}
img.loaded{opacity:1}

/* 导航栏 */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:0 40px;height:70px;display:flex;align-items:center;justify-content:space-between;background:rgba(13,17,23,.7);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:all .3s}
.header.scrolled{background:rgba(13,17,23,.95);border-bottom-color:var(--border)}
.logo{font-size:24px;font-weight:900;letter-spacing:3px;color:var(--text-primary);text-decoration:none;cursor:pointer}
.logo span{color:var(--gold)}
.logo small{font-size:12px;font-weight:400;color:var(--text-secondary);letter-spacing:1px;margin-left:8px}

@media(min-width:769px){.logo img{height:56px!important}}
.nav-menu{display:flex;list-style:none;gap:18px;align-items:center}
.nav-menu>li{position:relative}
.nav-menu a{color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;letter-spacing:1px;transition:color .3s;position:relative;cursor:pointer}
.nav-menu a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gold);transition:width .3s}
.nav-menu a:hover,.nav-menu a.active{color:var(--gold-light)}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}
.sub-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:rgba(13,17,23,.98);border:1px solid var(--border);border-radius:8px;padding:8px 0;min-width:160px;list-style:none;opacity:0;visibility:hidden;transition:all .3s;z-index:1001;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.nav-menu>li:hover .sub-menu{opacity:1;visibility:visible}
.sub-menu a{display:block;padding:8px 18px;font-size:13px;color:var(--text-secondary);white-space:nowrap}
.sub-menu a::after{display:none}
.sub-menu a:hover{background:rgba(59,130,246,.1);color:var(--gold-light)}
.nav-search{display:flex;align-items:center;gap:8px;margin-left:16px}
.nav-search input{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:6px 12px;color:var(--text-primary);font-size:12px;width:140px;transition:all .3s}
.nav-search input:focus{outline:none;border-color:var(--gold);width:180px}
.nav-search button{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:16px}
.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:28px;height:3px;background:var(--text-primary);border-radius:2px;transition:.3s}

/* Banner轮播 */
.banner-slider{position:relative;width:100%;height:500px;overflow:hidden;margin-top:70px}
.banner-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity .8s ease;display:flex;align-items:center;justify-content:center}
.banner-slide.active{opacity:1}
.banner-slide img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.banner-slide::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(13,17,23,.85),rgba(13,17,23,.5));z-index:1}
.banner-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 20px}
.banner-content h1{font-size:48px;font-weight:900;letter-spacing:6px;color:var(--text-primary);margin-bottom:12px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.banner-content h1 span{color:var(--gold)}
.banner-content p{font-size:18px;color:var(--text-secondary);letter-spacing:2px;margin-bottom:24px}
.banner-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.banner-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:all .3s}
.banner-dot.active{background:var(--gold);width:30px;border-radius:5px}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.4);border:none;color:#fff;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:20px;z-index:10;transition:background .3s}
.banner-arrow:hover{background:var(--gold);color:#0d1117}
.banner-arrow.prev{left:20px}.banner-arrow.next{right:20px}

/* 内页Banner */
.page-banner{position:relative;width:100%;padding:120px 20px 60px;text-align:center;overflow:hidden;background:linear-gradient(135deg,#0d1117 0%,#1a2332 50%,#0d1117 100%);margin-top:0}
.page-banner::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 50% 30%,rgba(59,130,246,.1) 0%,transparent 60%);pointer-events:none}
.page-banner h1{font-size:36px;font-weight:900;letter-spacing:6px;color:var(--text-primary);margin-bottom:10px;position:relative;z-index:2}
.page-banner h1 span{color:var(--gold)}
.page-banner p{font-size:15px;color:var(--text-secondary);letter-spacing:2px;position:relative;z-index:2}
.breadcrumb{max-width:1200px;margin:0 auto;padding:14px 20px;font-size:13px;color:#8b949e;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:var(--border)}

/* 通用章节 */
.section{padding:48px 40px;position:relative}
.section-alt{background:var(--bg-section)}
.section-header{text-align:center;margin-bottom:20px}
.section-number{font-size:12px;letter-spacing:6px;color:var(--gold);margin-bottom:8px;font-weight:600}
.section-title{font-size:30px;font-weight:800;color:var(--text-primary);letter-spacing:2px;margin-bottom:10px}
.section-title::after{content:'';display:block;width:44px;height:3px;background:var(--gold);margin:14px auto 0}
.section-desc{font-size:15px;color:#a8b3c0;max-width:680px;margin:0 auto;line-height:1.7}
.container{max-width:1200px;margin:0 auto}

/* 卡片 */
.content-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;max-width:1200px;margin:0 auto}
.content-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px 18px;transition:all .3s;position:relative;overflow:hidden}
.content-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--gold);opacity:0;transition:opacity .3s}
.content-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.4);border-color:var(--gold-dark)}
.content-card:hover::before{opacity:1}
.card-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:8px}
.card-text{font-size:13px;color:#a8b3c0;line-height:1.75}
.card-text strong{color:var(--gold-light);font-weight:600}

/* 产品卡片 */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;max-width:1200px;margin:0 auto}
.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:all .3s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.5);border-color:var(--gold-dark)}
.product-img{width:100%;height:200px;object-fit:cover;background:var(--bg-section);display:block}
.product-img-placeholder{width:100%;height:200px;display:flex;align-items:center;justify-content:center;background:var(--bg-section);color:var(--text-muted);font-size:14px}
.product-info{padding:16px}
.product-name{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.product-spec{font-size:12px;color:#98a2ad;margin-bottom:8px}
.product-price{font-size:16px;font-weight:700;color:var(--gold)}
.product-badges{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.badge{font-size:10px;padding:2px 8px;border-radius:4px;font-weight:700}
.badge-hot{background:rgba(248,81,73,.15);color:#f85149;border:1px solid rgba(248,81,73,.3)}
.badge-rec{background:rgba(59,130,246,.15);color:var(--gold-light);border:1px solid rgba(59,130,246,.35)}
.badge-top{background:rgba(59,130,246,.15);color:var(--gold-light);border:1px solid rgba(59,130,246,.35)}

/* 新闻列表 */
.news-list{max-width:900px;margin:0 auto}
.news-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);transition:background .3s}
.news-item:hover{background:rgba(59,130,246,.03)}
.news-thumb{width:160px;height:110px;flex-shrink:0;border-radius:8px;object-fit:cover;background:var(--bg-card)}
.news-thumb-placeholder{width:160px;height:110px;flex-shrink:0;border-radius:8px;background:var(--bg-card);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px}
.news-content{flex:1;min-width:0}
.news-title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-title a{color:var(--text-primary)}
.news-title a:hover{color:var(--gold-light)}
.news-summary{font-size:13px;color:#b0bac5;line-height:1.7;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px}
.news-meta{font-size:12px;color:#98a2ad;display:flex;gap:16px;flex-wrap:wrap}

/* 侧边栏布局 */
.sidebar-layout{display:grid;grid-template-columns:240px 1fr;gap:28px;max-width:1200px;margin:0 auto;padding:0 20px}
.sidebar{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px;height:fit-content}
.sidebar h4{font-size:15px;color:var(--gold-light);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);font-weight:700}
.sidebar ul{list-style:none}
.sidebar li{margin-bottom:4px}
.sidebar a{display:block;padding:8px 12px;border-radius:6px;font-size:13px;color:#a8b3c0;transition:all .3s}
.sidebar a:hover,.sidebar a.active{background:rgba(59,130,246,.1);color:var(--gold-light)}
.sidebar .sub-item a{padding-left:28px;font-size:12px}

/* 筛选工具栏 */
.filter-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px}
.filter-bar h3{font-size:18px;color:var(--text-primary);font-weight:700}
.filter-bar .count{font-size:13px;color:#98a2ad;font-weight:400;margin-left:8px}
.sort-select{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:6px 12px;color:var(--text-secondary);font-size:12px;cursor:pointer}
.sort-select:focus{outline:none;border-color:var(--gold)}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;border-radius:6px;font-size:13px;border:1px solid var(--border);color:#a8b3c0;transition:all .3s;text-decoration:none}
.pagination a:hover{border-color:var(--gold);color:var(--gold-light)}
.pagination .current{background:var(--gold);color:#0d1117;border-color:var(--gold);font-weight:700}
.pagination .disabled{opacity:.4;cursor:not-allowed}

/* 文章详情 */
.article-detail{max-width:860px;margin:0 auto;padding:0 20px 40px}
.article-header{text-align:center;margin-bottom:32px}
.article-header h1{font-size:28px;font-weight:800;color:var(--text-primary);line-height:1.4;margin-bottom:16px}
.article-meta{font-size:13px;color:#98a2ad;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.article-tags{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.article-tags a{font-size:12px;padding:3px 10px;background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.4);border-radius:4px;color:var(--gold-light)}
.article-content{font-size:15px;line-height:1.6;color:var(--text-secondary);word-wrap:break-word;}
.article-content p{margin:0 0 4px 0;line-height:1.6;text-indent:2em;}
.article-content h2,.article-content h3{margin:10px 0 5px 0;line-height:1.4;}
.article-content h2,.article-content h3{color:var(--text-primary);margin:10px 0 5px;font-weight:700}
.article-content h2{font-size:22px}.article-content h3{font-size:18px}
.article-content p{margin-bottom:4px;}
.article-content img{border-radius:8px;margin:16px 0;max-width:100%;height:auto;display:block;}
.article-content ul,.article-content ol{margin:12px 0 16px 24px}
.article-content li{margin-bottom:8px}
.article-content blockquote{border-left:3px solid var(--gold);padding:12px 20px;background:rgba(59,130,246,.05);margin:16px 0;border-radius:0 8px 8px 0;color:var(--gold-light)}
.article-nav{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-nav a{flex:1;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;font-size:13px;color:var(--text-secondary);transition:all .3s}
.article-nav a:hover{border-color:var(--gold);color:var(--gold-light)}
.article-nav .nav-label{font-size:11px;color:var(--text-muted);margin-bottom:4px}
.article-nav .nav-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-nav .next{text-align:right}

/* 产品详情 */
.product-detail{max-width:1100px;margin:0 auto;padding:0 20px}
.product-gallery{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:40px}
.product-main-img{width:100%;border-radius:10px;background:var(--bg-card);border:1px solid var(--border);min-height:360px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);overflow:hidden}
.product-main-img img{width:100%;height:100%;object-fit:cover}
.product-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.product-thumb{width:70px;height:70px;border-radius:6px;border:2px solid var(--border);cursor:pointer;object-fit:cover;transition:border-color .3s}
.product-thumb:hover,.product-thumb.active{border-color:var(--gold)}
.product-info-block h1{font-size:28px;font-weight:800;color:var(--text-primary);margin-bottom:12px}
.product-info-block .price{font-size:32px;font-weight:900;color:var(--gold);margin-bottom:16px}
.product-spec-list{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px}
.product-spec-list h4{font-size:15px;color:var(--gold);margin-bottom:12px;font-weight:700}
.product-spec-list p{font-size:14px;color:var(--text-secondary);line-height:1.8;white-space:pre-wrap}
.spec-table{width:100%;border-collapse:collapse;font-size:13px}
.spec-table td{padding:8px 12px;border-bottom:1px solid var(--border);color:var(--text-secondary)}
.spec-table td:first-child{color:var(--text-muted);width:120px;font-weight:600}
.product-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:6px;font-size:14px;font-weight:700;cursor:pointer;border:none;transition:all .2s;text-decoration:none;text-align:center}
.btn:hover{opacity:.85;transform:translateY(-1px)}
.btn-gold{background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:#0d1117}
.btn-outline{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.btn-sm{padding:6px 14px;font-size:12px}
.product-desc-section{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:28px;margin-top:24px}
.product-desc-section h3{font-size:20px;color:var(--text-primary);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.product-desc-section .desc-content{font-size:14px;color:var(--text-secondary);line-height:1.9}
.product-desc-section .desc-content img{border-radius:8px;margin:12px 0}

/* 表单 */
.form-group{margin-bottom:18px}
.form-group label{display:block;color:var(--text-primary);font-size:13px;font-weight:600;margin-bottom:6px}
.form-group label .required{color:var(--danger);margin-left:2px}
.form-control{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;transition:border-color .2s;font-family:inherit}
.form-control:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(59,130,246,.1)}
textarea.form-control{resize:vertical;min-height:100px}
select.form-control{cursor:pointer}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-hint{font-size:11px;color:var(--text-muted);margin-top:4px}

/* 询盘表单 */
.inquiry-form{max-width:700px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:32px}
.inquiry-form h3{font-size:20px;color:var(--text-primary);margin-bottom:20px;text-align:center}
.inquiry-success{text-align:center;padding:40px 20px}
.inquiry-success .icon{font-size:48px;margin-bottom:16px}

/* 联系页面 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:1100px;margin:0 auto}
.contact-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:28px}
.contact-info-item{display:flex;gap:16px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.contact-info-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.contact-info-icon{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--gold-dark),var(--gold));display:flex;align-items:center;justify-content:center;font-size:20px;color:#0d1117;flex-shrink:0}
.contact-info-text h4{font-size:14px;color:var(--text-muted);margin-bottom:4px;font-weight:400}
.contact-info-text p{font-size:15px;color:var(--text-primary);font-weight:600}
.contact-info-text a{color:var(--gold)}
.contact-map{width:100%;height:300px;border-radius:10px;background:var(--bg-card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);margin-top:20px}

/* 搜索结果 */
.search-result-item{padding:20px 0;border-bottom:1px solid var(--border)}
.search-result-item:last-child{border-bottom:none}
.search-result-type{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:700;margin-bottom:8px;display:inline-block}
.type-product{background:rgba(59,130,246,.15);color:var(--gold-light);border:1px solid rgba(59,130,246,.3)}
.type-article{background:rgba(88,166,255,.15);color:#58a6ff;border:1px solid rgba(88,166,255,.3)}
.type-page{background:rgba(63,185,80,.15);color:#3fb950;border:1px solid rgba(63,185,80,.3)}
.search-result-title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.search-result-title a{color:var(--text-primary)}
.search-result-title a:hover{color:var(--gold-light)}
.search-result-summary{font-size:13px;color:#a8b3c0;line-height:1.7}
.search-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.search-tab{padding:8px 18px;border-radius:6px;font-size:13px;border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all .3s;background:transparent}
.search-tab:hover{border-color:var(--gold);color:var(--gold-light)}
.search-tab.active{background:var(--gold);color:#0d1117;border-color:var(--gold);font-weight:700}

/* 友情链接 */
.friend-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1000px;margin:0 auto}
.friend-link{padding:8px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text-secondary);transition:all .3s}
.friend-link:hover{border-color:var(--gold);color:var(--gold-light)}

/* 空状态 */
.empty-state{text-align:center;padding:60px 20px;color:#8b949e}
.empty-state .icon{font-size:48px;margin-bottom:16px;opacity:.5}
.empty-state p{font-size:15px}

/* Flash消息 */
.flash-container{max-width:1200px;margin:0 auto;padding:0 20px}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:10px;font-size:13px;display:flex;justify-content:space-between;align-items:center}
.flash-success{background:rgba(63,185,80,.12);color:#3fb950;border:1px solid rgba(63,185,80,.3)}
.flash-danger{background:rgba(248,81,73,.12);color:#f85149;border:1px solid rgba(248,81,73,.3)}
.flash-warning{background:rgba(210,153,34,.12);color:#d29922;border:1px solid rgba(210,153,34,.3)}
.flash-info{background:rgba(88,166,255,.12);color:#58a6ff;border:1px solid rgba(88,166,255,.3)}


/* 封底 */
.footer{background:linear-gradient(180deg,var(--bg-section) 0%,#0a0e14 100%);padding:40px 40px 24px;text-align:center;border-top:1px solid rgba(184,148,79,.2);position:relative;z-index:100}
.footer-brand{font-size:32px;font-weight:900;color:var(--text-primary);letter-spacing:5px;margin-bottom:6px}
.footer-brand span{color:var(--gold)}
.footer-slogan{font-size:15px;color:#a8b3c0;letter-spacing:2px;margin-bottom:24px}
.footer-contact{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:1100px;margin:0 auto 28px}
.contact-item{background:rgba(255,255,255,.02);border:1px solid rgba(184,148,79,.15);border-radius:8px;padding:14px 12px;transition:all .3s}
.contact-item:hover{border-color:rgba(184,148,79,.4);background:rgba(184,148,79,.05);transform:translateY(-2px)}
.contact-icon{font-size:20px;margin-bottom:6px;color:var(--gold)}
.contact-label{font-size:11px;color:var(--text-muted);letter-spacing:1px;margin-bottom:5px;text-transform:uppercase}
.contact-value{font-size:14px;color:var(--text-primary);font-weight:600;line-height:1.4}
.contact-value a{color:var(--text-primary);text-decoration:none;transition:color .3s}
.contact-value a:hover{color:var(--gold)}
.contact-item{text-align:center}
.contact-label{font-size:11px;color:#8b949e;letter-spacing:2px;margin-bottom:5px}
.contact-value{font-size:14px;color:var(--text-primary);font-weight:600}
.contact-value a{color:var(--text-primary)}
.contact-value a:hover{color:var(--gold)}
.footer-divider{width:100%;max-width:700px;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(184,148,79,.3) 50%,transparent 100%);margin:0 auto 18px}
.footer-copyright{font-size:13px;color:#8b949e;letter-spacing:1px;margin-bottom:8px}
.footer-beian{text-align:center;margin-top:10px;font-size:13px;color:var(--text-muted)}
.footer-beian a{color:var(--text-muted);text-decoration:none}
.footer-beian a:hover{color:var(--gold)}
.footer-links{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.footer-links h5{font-size:13px;color:var(--gold);margin-bottom:12px;letter-spacing:2px}

/* 错误页 */
.error-page{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.error-code{font-size:120px;font-weight:900;color:var(--gold);line-height:1;margin-bottom:16px}
.error-title{font-size:24px;color:var(--text-primary);margin-bottom:12px}
.error-desc{font-size:14px;color:var(--text-secondary);margin-bottom:28px}

/* 响应式 */
@media(max-width:968px){
  .sidebar-layout{grid-template-columns:1fr}
  .sidebar{order:-1}
  .product-gallery{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .header{padding:0 20px;height:50px}
  .logo{font-size:16px;display:flex;align-items:center;}
  .logo small{display:inline;font-size:10px;color:#94a3b8;margin-left:4px;}
  .nav-menu{position:fixed;top:60px;left:0;width:100%;height:100vh;flex-direction:column;background:#0d1117;padding:30px 20px;gap:12px;display:none;border-bottom:1px solid var(--border);overflow-y:auto;z-index:99999}
  .nav-menu.open{display:flex}
  .sub-menu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;background:transparent;padding-left:24px;display:none;margin-top:10px;margin-bottom:10px;}
  .sub-menu li{margin-bottom:8px;}
  .sub-menu a{display:block;padding:14px 18px;font-size:15px;border-radius:8px;background:rgba(255,255,255,.05);min-height:44px;line-height:20px;}
  .nav-menu>li>a{display:block;padding:14px 0;font-size:16px;min-height:52px;line-height:24px;}
  .nav-menu>li>a .arrow{display:inline-block;float:right;margin-right:10px;font-size:22px;font-weight:bold;color:var(--gold);line-height:24px;}
  .nav-search{margin:10px 0;width:100%}
  .nav-search input{width:100%}
  .hamburger{display:flex}
  .banner-slider{height:360px;margin-top:60px}
  .banner-content h1{font-size:32px;letter-spacing:4px}
  .banner-content p{font-size:15px}
  .page-banner{padding:90px 16px 50px}
  .page-banner h1{font-size:28px;letter-spacing:4px}
  .section{padding:40px 20px}
  .section-title{font-size:24px}
  .footer{padding:32px 20px 20px}
  .footer-contact{grid-template-columns:repeat(2,1fr);gap:14px}
  .footer-brand{font-size:28px;letter-spacing:3px}
  .news-item{flex-direction:column}
  .news-thumb,.news-thumb-placeholder{width:100%;height:180px}
  .article-nav{flex-direction:column}
  .article-nav .next{text-align:left}
  .inquiry-form{padding:24px 20px}
}
@media(max-width:480px){
  .page-banner h1{font-size:22px;letter-spacing:2px}
  .section-title{font-size:20px}
  .product-grid{grid-template-columns:1fr}
  .content-grid{grid-template-columns:1fr}
  .banner-slider{height:300px}
  .banner-content h1{font-size:26px;letter-spacing:2px}

  .page-banner h1{font-size:18px !important;margin-bottom:0 !important}
  .page-banner p{font-size:10px !important;margin-bottom:0 !important;display:none !important}

  /* 产品图片占满第一屏剩余空间 */
  .product-gallery{
    margin-bottom:0 !important;
    gap:0 !important;
  }
  .product-main-img{
    min-height:0 !important;
    height:calc(100vh - 140px) !important;
    border-radius:0 !important;
    border:none !important;
  }
  .product-main-img img{
    object-fit:contain !important;
    width:100% !important;
    height:100% !important;
  }
  .product-thumbs{
    display:none !important;
  }

}

/* ===== 漂亮首页专属样式 ===== */
.cover{position:relative;width:100%;min-height:auto;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;overflow:hidden;background:linear-gradient(135deg,#0d1117 0%,#1a2332 50%,#0d1117 100%);padding:55px 20px 0px}
.cover::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 30%,rgba(59,130,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 70%,rgba(56,139,253,.06) 0%,transparent 50%);pointer-events:none}
.cover-brand{font-size:8px;letter-spacing:2px;color:var(--gold);text-transform:uppercase;margin-bottom:4px;position:relative;z-index:2}
.cover-title{font-size:20px;font-weight:900;letter-spacing:1px;color:var(--text-primary);margin-bottom:2px;position:relative;z-index:2;text-shadow:0 2px 30px rgba(0,0,0,.5)}
.cover-title span{color:var(--gold)}
.cover-subtitle{font-size:10px;color:var(--text-secondary);letter-spacing:1px;margin-bottom:3px;position:relative;z-index:2}
.cover-image{width:100%;max-width:1600px;border-radius:6px;box-shadow:0 24px 70px rgba(0,0,0,.7),0 0 0 1px rgba(59,130,246,.25);position:relative;z-index:2;background:#1a2332;min-height:320px;object-fit:cover}
.cover-tagline{margin-top:4px;margin-bottom:0;font-size:13px;color:var(--gold-light);letter-spacing:1px;position:relative;z-index:2}
.cover-divider{width:24px;height:2px;background:var(--gold);margin:2px auto;position:relative;z-index:2}
.card-tag{display:inline-block;font-size:10px;padding:2px 7px;border-radius:4px;margin-left:8px;vertical-align:middle;font-weight:700;letter-spacing:1px}
.tag-easy{background:rgba(56,139,253,.15);color:#58a6ff;border:1px solid rgba(56,139,253,.35)}
.tag-pro{background:rgba(59,130,246,.15);color:var(--gold-light);border:1px solid rgba(59,130,246,.35)}
.tag-warn{background:rgba(248,81,73,.12);color:#f85149;border:1px solid rgba(248,81,73,.3)}
.tag-win{background:rgba(63,185,80,.12);color:#3fb950;border:1px solid rgba(63,185,80,.3)}
.zone-label{display:flex;align-items:center;gap:12px;max-width:1200px;margin:0 auto 16px;font-size:14px;font-weight:700;letter-spacing:2px}
.zone-label.easy{color:#58a6ff}
.zone-label.pro{color:var(--gold-light)}
.zone-label::before{content:'';width:4px;height:16px;border-radius:2px}
.zone-label.easy::before{background:#58a6ff}
.zone-label.pro::before{background:var(--gold)}
.zone-label::after{content:'';flex:1;height:1px;background:var(--border)}
.content-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--gold);opacity:0;transition:opacity .3s}
.content-card.easy-card::before{background:#58a6ff}
.content-card:hover::before{opacity:1}
.card-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--gold-dark),var(--gold));border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:12px;color:#1a1a1a;font-weight:900}
.easy-card .card-icon{background:linear-gradient(135deg,#1f6feb,#388bfd);color:#fff}
.card-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:8px;display:flex;align-items:center;flex-wrap:wrap}
.card-text{font-size:13px;color:#a8b3c0;line-height:1.75}
.card-text strong{color:var(--gold-light);font-weight:600}
.easy-card .card-text strong{color:#79c0ff}
.card-highlight{background:rgba(59,130,246,.08);border-left:3px solid var(--gold);padding:8px 12px;margin-top:10px;border-radius:0 6px 6px 0;font-size:12.5px;color:var(--gold-light);line-height:1.6}
.easy-card .card-highlight{background:rgba(56,139,253,.08);border-left-color:#388bfd;color:#79c0ff}
.angle-showcase{max-width:1200px;margin:28px auto 0;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:24px 28px}
.angle-showcase h4{font-size:17px;color:var(--gold);margin-bottom:16px;text-align:center}
.angle-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.angle-badge{background:var(--bg-dark);border:1px solid var(--border);border-radius:6px;padding:9px 16px;font-size:14px;font-weight:700;color:var(--gold-light);transition:all .3s}
.angle-badge:hover{background:var(--gold);color:var(--bg-dark);border-color:var(--gold)}
.angle-note{text-align:center;margin-top:14px;font-size:12px;color:var(--text-muted)}
.cost-table-wrap{max-width:880px;margin:0 auto;overflow-x:auto}
.cost-table{width:100%;border-collapse:collapse;font-size:14px}
.cost-table thead th{background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:#1a1a1a;padding:12px 18px;text-align:left;font-weight:700;font-size:14px}
.cost-table thead th:first-child{border-radius:8px 0 0 0}
.cost-table thead th:last-child{border-radius:0 8px 0 0}
.cost-table tbody td{padding:11px 18px;border-bottom:1px solid var(--border);color:var(--text-secondary)}
.cost-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.cost-table tbody tr:hover{background:rgba(59,130,246,.05)}
.cost-table .cost-item{color:var(--text-primary);font-weight:600}
.cost-table .total-row td{background:rgba(59,130,246,.1);font-weight:700;color:var(--gold-light);font-size:15px;border-bottom:none}
.cost-table .total-row td:first-child{border-radius:0 0 0 8px}
.cost-table .total-row td:last-child{border-radius:0 0 8px 0}
.cost-savings{text-align:center;margin-top:24px;padding:20px;background:linear-gradient(135deg,rgba(59,130,246,.1),rgba(59,130,246,.03));border:1px solid var(--gold-dark);border-radius:10px;max-width:680px;margin-left:auto;margin-right:auto}
.cost-savings .savings-number{font-size:38px;font-weight:900;color:var(--gold);line-height:1}
.cost-savings .savings-label{font-size:14px;color:var(--text-secondary);margin-top:8px}
.industry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;max-width:1200px;margin:0 auto}
.industry-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:22px 18px;text-align:center;transition:all .3s}
.industry-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.industry-icon{font-size:32px;margin-bottom:10px}
.industry-name{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:8px}
.industry-desc{font-size:12.5px;color:var(--text-secondary);line-height:1.7}
.industry-desc strong{color:var(--gold-light)}
.spec-section{max-width:1200px;margin:0 auto}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-bottom:24px}
.spec-item{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px 18px}
.spec-item h5{font-size:15px;color:var(--gold);margin-bottom:12px;font-weight:700;display:flex;align-items:center;gap:10px}
.spec-item h5::before{content:'';width:4px;height:16px;background:var(--gold);border-radius:2px}
.spec-item ul{list-style:none}
.spec-item li{font-size:13px;color:var(--text-secondary);padding:5px 0;padding-left:16px;position:relative;line-height:1.6}
.spec-item li::before{content:'▸';position:absolute;left:0;color:var(--gold)}
.spec-item li strong{color:var(--text-primary)}
.service-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:1050px;margin:0 auto}
.service-card{text-align:center;padding:22px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;transition:all .3s}
.service-card:hover{border-color:var(--gold)}
.service-icon{font-size:28px;margin-bottom:10px}
.service-title{font-size:15px;font-weight:700;color:var(--gold-light);margin-bottom:6px}
.service-desc{font-size:12px;color:var(--text-secondary);line-height:1.6}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;max-width:1200px;margin:0 auto;align-items:center}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px 16px;text-align:center}
.stat-number{font-size:30px;font-weight:900;color:var(--gold);margin-bottom:6px}
.stat-label{font-size:12px;color:var(--text-secondary)}
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  html,body{overflow-x:hidden;width:100%;max-width:100%}
  .section{padding:20px 16px}
  .section-header{margin-bottom:20px}
  .cover{min-height:auto;padding:40px 0 10px}
  .cover-title{font-size:32px;letter-spacing:4px}
  .cover-subtitle{font-size:16px}
  .cover-image{width:100%;min-height:auto;object-fit:contain}
  .cover-tagline{font-size:13px;letter-spacing:2px}
  .about-grid{grid-template-columns:1fr;gap:18px}
  .angle-badge{padding:6px 12px;font-size:13px}
  .angle-showcase{padding:16px}
  .content-grid,.industry-grid,.spec-grid,.service-row{grid-template-columns:1fr;gap:12px}
  .content-card,.industry-card,.spec-item,.service-card{padding:16px 14px}
  .cost-table-wrap{margin:0 -16px;padding:0 16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .cost-table{font-size:12px;min-width:480px}
  .cost-table thead th,.cost-table tbody td{padding:8px 10px}
  .cost-savings .savings-number{font-size:28px}
  .zone-label{font-size:12px;letter-spacing:1px}
  .card-title{font-size:14px}
  .card-text{font-size:12px}
  .stat-card{padding:14px 10px}
  .stat-number{font-size:22px}
  .stat-label{font-size:10px}
  .product-grid{grid-template-columns:1fr 1fr;gap:12px}
  .product-img,.product-img-placeholder{height:140px}
  .news-item{flex-direction:column;gap:12px}
  .news-thumb,.news-thumb-placeholder{width:100%;height:160px}
  .footer{padding:32px 16px 20px}
  .footer-contact{grid-template-columns:1fr;gap:12px}
  .footer-brand{font-size:26px;letter-spacing:3px}
  .footer-slogan{font-size:14px;letter-spacing:2px}
  *{word-wrap:break-word;overflow-wrap:break-word}
}
@media(max-width:480px){
  .cover-title{font-size:26px;letter-spacing:2px;padding:0 16px}
  .cover-image{width:100%;min-height:auto;object-fit:contain;border-radius:0;box-shadow:none}
  .cover-brand{font-size:10px;letter-spacing:3px;padding:0 16px}
  .cover-subtitle{font-size:13px;letter-spacing:1px;padding:0 16px}
  .section-title{font-size:18px;letter-spacing:1px}
  .section-number{font-size:10px;letter-spacing:3px}
  .industry-grid{grid-template-columns:1fr 1fr}
  .service-row{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:1fr}
  .angle-badge{padding:5px 10px;font-size:12px}
  .spec-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr !important}
  .cost-savings{padding:14px}
  .cost-savings .savings-number{font-size:24px}
  .cost-savings .savings-label{font-size:12px}
}

.nav-menu.open{display:flex !important;}
.hamburger{z-index:100000;cursor:pointer;}


/* ========== 表格样式（深色主题+移动端适配） ========== */
table{
  width:100% !important;
  border-collapse:collapse !important;
  margin:16px 0 !important;
  font-size:14px !important;
  background:var(--bg-card) !important;
  border:1px solid var(--border) !important;
  border-radius:8px !important;
  overflow:hidden !important;
}
table th{
  background:var(--bg-section) !important;
  color:var(--gold) !important;
  padding:12px 16px !important;
  text-align:left !important;
  font-weight:700 !important;
  border-bottom:2px solid var(--gold-dark) !important;
}
table td{
  padding:10px 16px !important;
  border-bottom:1px solid var(--border) !important;
  color:var(--text-secondary) !important;
  background:var(--bg-card) !important;
  vertical-align:top !important;
}
table tr:last-child td{
  border-bottom:none !important;
}
table tr:hover td{
  background:rgba(59,130,246,.05) !important;
}
/* 表格外层可横向滚动 */
.product-desc-section,
.desc-content,
.page-content,
.product-spec-list,
.article-detail{
  overflow-x:auto !important;
  -webkit-overflow-scrolling:touch !important;
}
.product-desc-section table,
.desc-content table,
.page-content table,
.product-spec-list table,
.article-detail table{
  min-width:500px !important;
}
/* 手机端优化 */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  table{
    font-size:13px !important;
  }
  table th,
  table td{
    padding:8px 12px !important;
  }
  .product-desc-section table,
  .desc-content table,
  .page-content table,
  .product-spec-list table,
  .article-detail table{
    min-width:400px !important;
  }
}


/* ========== 产品详情页手机端宽度适配 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  /* 页面整体去掉左右padding */
  .section{
    padding:24px 0 !important;
  }
  .container{
    padding:0 12px !important;
    max-width:100% !important;
  }
  /* 产品详情页主容器 */
  .product-detail,
  .product-main,
  .product-gallery,
  .product-info-block{
    padding:0 !important;
    margin:0 !important;
    max-width:100% !important;
  }
  /* 产品图片展示到边 */
  .product-main-img,
  .product-img,
  .product-desc-section img,
  .desc-content img{
    width:100% !important;
    max-width:100% !important;
    margin-left:0 !important;
    margin-right:0 !important;
    border-radius:0 !important;
  }
  /* 产品描述区域去掉左右padding */
  .product-desc-section,
  .product-spec-list,
  .product-actions{
    margin-left:12px !important;
    margin-right:12px !important;
    padding:20px 16px !important;
  }
  /* 产品标题和价格 */
  .product-info-block h1{
    font-size:22px !important;
    padding:0 12px !important;
  }
  .product-info-block .price{
    font-size:26px !important;
    padding:0 12px !important;
  }
  /* 产品缩略图 */
  .product-thumbs{
    padding:0 12px !important;
  }
  /* 面包屑 */
  .breadcrumb{
    padding:10px 12px !important;
  }
  /* 页面Banner */
  .page-banner{
    padding:65px 12px 20px !important;
  }
  /* 文章详情页 */
  .article-detail{
    padding:0 12px 30px !important;
    max-width:100% !important;
  }
  .article-detail img{
    width:100% !important;
    max-width:100% !important;
    margin-left:0 !important;
    margin-right:0 !important;
    border-radius:0 !important;
  }
  /* 通用内容区域 */
  .content-grid,
  .product-grid,
  .news-list{
    padding:0 12px !important;
  }
  /* 按钮全宽 */
  .product-actions .btn{
    flex:1 !important;
    text-align:center !important;
  }
}
/* 更小屏幕（<=480px）进一步优化 */
@media(max-width:480px){
  .container{
    padding:0 8px !important;
  }
  .product-desc-section,
  .product-spec-list{
    margin-left:8px !important;
    margin-right:8px !important;
    padding:16px 12px !important;
  }
  .product-info-block h1{
    padding:0 8px !important;
    font-size:20px !important;
  }
  .product-info-block .price{
    padding:0 8px !important;
    font-size:24px !important;
  }
  .product-thumbs{
    padding:0 8px !important;
  }
  .breadcrumb{
    padding:4px 8px !important;
    font-size:11px !important;
    margin-bottom:0 !important;
  }
  .article-detail{
    padding:0 8px 24px !important;
  }
}


/* ========== 产品列表页手机端适配 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  /* 隐藏侧边栏（分类筛选） */
  .sidebar-layout{
    grid-template-columns:1fr !important;
    gap:0 !important;
    padding:0 !important;
  }
  .sidebar{
    display:none !important;
  }
  /* 产品列表区域占满宽度 */
  .sidebar-layout > div:last-child,
  .sidebar-layout > .content,
  .sidebar-layout > main{
    width:100% !important;
    padding:0 !important;
    margin:0 !important;
  }
  /* 筛选工具栏 */
  .filter-bar{
    padding:12px 12px !important;
    margin-bottom:12px !important;
  }
  .filter-bar h3{
    font-size:18px !important;
  }
  .filter-bar .count{
    font-size:12px !important;
  }
  .sort-select{
    font-size:12px !important;
    padding:6px 10px !important;
  }
  /* 产品网格改成单列 */
  .product-grid{
    grid-template-columns:1fr !important;
    gap:16px !important;
    padding:0 12px !important;
    max-width:100% !important;
  }
  /* 产品卡片占满宽度 */
  .product-card{
    width:100% !important;
    border-radius:12px !important;
    overflow:hidden !important;
  }
  /* 产品图片到边，高度自适应 */
  .product-img{
    width:100% !important;
    height:auto !important;
    aspect-ratio:16/10 !important;
    object-fit:cover !important;
    border-radius:0 !important;
  }
  .product-img-placeholder{
    width:100% !important;
    height:200px !important;
  }
  /* 产品信息区域 */
  .product-info{
    padding:16px !important;
  }
  .product-name{
    font-size:17px !important;
    white-space:normal !important;
    overflow:visible !important;
    text-overflow:clip !important;
    display:block !important;
    -webkit-line-clamp:unset !important;
    line-height:1.5 !important;
    margin-bottom:8px !important;
  }
  .product-spec{
    font-size:13px !important;
    white-space:normal !important;
    overflow:visible !important;
    text-overflow:clip !important;
    line-height:1.7 !important;
    margin-bottom:10px !important;
  }
  .product-price{
    font-size:20px !important;
    font-weight:800 !important;
  }
  .product-badges{
    margin-bottom:10px !important;
  }
  .badge{
    font-size:11px !important;
    padding:3px 10px !important;
  }
  /* 分页 */
  .pagination{
    padding:0 12px !important;
    margin-top:24px !important;
  }
  .pagination a,
  .pagination span{
    padding:8px 12px !important;
    font-size:13px !important;
  }
}
/* 更小屏幕（<=480px） */
@media(max-width:480px){
  .product-grid{
    padding:0 8px !important;
    gap:12px !important;
  }
  .product-info{
    padding:14px !important;
  }
  .product-name{
    font-size:16px !important;
  }
  .product-spec{
    font-size:12px !important;
  }
  .product-price{
    font-size:18px !important;
  }
  .filter-bar{
    padding:10px 8px !important;
  }
}


/* ========== 移动端菜单排版优化 ========== */
@media(max-width:968px){
  .nav-menu{
    position:fixed !important;
    top:60px !important;
    left:0 !important;
    width:100% !important;
    height:calc(100vh - 60px) !important;
    flex-direction:column !important;
    background:#0d1117 !important;
    padding:20px 0 !important;
    gap:0 !important;
    display:none;
    border-bottom:1px solid var(--border) !important;
    overflow-y:auto !important;
    z-index:99999 !important;
  }
  .nav-menu.open{
    display:flex !important;
  }
  /* 菜单项 */
  .nav-menu li{
    width:100% !important;
    border-bottom:1px solid rgba(48,54,61,.5) !important;
  }
  .nav-menu li:last-child{
    border-bottom:none !important;
  }
  /* 菜单链接 */
  .nav-menu a{
    display:block !important;
    padding:16px 24px !important;
    font-size:16px !important;
    font-weight:500 !important;
    letter-spacing:2px !important;
    color:var(--text-secondary) !important;
    text-align:center !important;
    position:relative !important;
    transition:all .3s !important;
  }
  .nav-menu a:hover,
  .nav-menu a.active{
    color:var(--gold-light) !important;
    background:rgba(59,130,246,.08) !important;
  }
  /* 去掉原来的下划线动画，改用左侧金色竖条 */
  .nav-menu a::after{
    display:none !important;
  }
  .nav-menu a.active::before{
    content:'' !important;
    position:absolute !important;
    left:0 !important;
    top:50% !important;
    transform:translateY(-50%) !important;
    width:4px !important;
    height:60% !important;
    background:var(--gold) !important;
    border-radius:0 4px 4px 0 !important;
  }
  /* 搜索框 */
  .nav-search{
    margin:16px 24px !important;
    padding:0 !important;
    border-bottom:none !important;
  }
  .nav-search form{
    width:100% !important;
  }
  .nav-search input{
    flex:1 !important;
    width:auto !important;
    padding:12px 16px !important;
    font-size:14px !important;
    border-radius:8px !important;
  }
  .nav-search input:focus{
    width:auto !important;
  }
  .nav-search button{
    padding:8px 12px !important;
    font-size:18px !important;
  }
  /* 子菜单（如果有） */
  .sub-menu{
    position:static !important;
    transform:none !important;
    background:rgba(13,17,23,.8) !important;
    border:none !important;
    border-radius:0 !important;
    padding:0 !important;
    min-width:auto !important;
    opacity:1 !important;
    visibility:visible !important;
    box-shadow:none !important;
    display:none !important;
  }
  .nav-menu li:hover .sub-menu{
    display:block !important;
  }
  .sub-menu a{
    padding:12px 24px 12px 48px !important;
    font-size:14px !important;
    color:var(--text-muted) !important;
  }
}
/* 更小屏幕 */
@media(max-width:480px){
  .nav-menu a{
    padding:14px 20px !important;
    font-size:15px !important;
  }
  .nav-search{
    margin:12px 16px !important;
  }
}


/* ========== 浮动在线客服 ========== */
.float-contact{
  position:fixed;
  right:16px;
  bottom:30px;
  z-index:9998;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.float-btn{
  width:52px;
  height:52px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
  transition:all .3s;
  text-decoration:none;
  border:none;
  position:relative;
}
.float-btn:hover{
  transform:scale(1.1);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
.float-btn .tooltip{
  position:absolute;
  right:64px;
  top:50%;
  transform:translateY(-50%);
  background:var(--bg-card);
  border:1px solid var(--gold);
  color:var(--text-primary);
  padding:8px 14px;
  border-radius:6px;
  font-size:13px;
  white-space:nowrap;
  opacity:0;
  visibility:hidden;
  transition:all .3s;
  pointer-events:none;
}
.float-btn:hover .tooltip{
  opacity:1;
  visibility:visible;
  right:68px;
}
.float-btn .tooltip::after{
  content:'';
  position:absolute;
  right:-6px;
  top:50%;
  transform:translateY(-50%);
  border-left:6px solid var(--gold);
  border-top:6px solid transparent;
  border-bottom:6px solid transparent;
}
/* 微信二维码弹窗 */
.wechat-modal{
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,.7);
  z-index:10000;
  display:none;
  align-items:center;
  justify-content:center;
}
.wechat-modal.show{
  display:flex;
}
.wechat-box{
  background:var(--bg-card);
  border:1px solid var(--gold);
  border-radius:12px;
  padding:30px;
  text-align:center;
  max-width:320px;
}
.wechat-box h4{
  color:var(--gold);
  font-size:18px;
  margin-bottom:16px;
}
.wechat-box .qr-placeholder{
  width:200px;
  height:200px;
  background:var(--bg-section);
  border:1px solid var(--border);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 16px;
  color:var(--text-muted);
  font-size:13px;
}
.wechat-box p{
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:8px;
}
.wechat-box .close-btn{
  margin-top:16px;
  padding:8px 24px;
  background:var(--gold);
  color:#0d1117;
  border:none;
  border-radius:6px;
  cursor:pointer;
  font-size:14px;
  font-weight:700;
}
/* 信任背书 */
.trust-badges{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
  margin:24px 0;
}
.trust-badge{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:8px;
  padding:12px 20px;
  transition:all .3s;
}
.trust-badge:hover{
  border-color:var(--gold);
  transform:translateY(-2px);
}
.trust-badge .icon{
  font-size:24px;
}
.trust-badge .text{
  text-align:left;
}
.trust-badge .text strong{
  display:block;
  color:var(--gold-light);
  font-size:14px;
  font-weight:700;
}
.trust-badge .text span{
  color:var(--text-muted);
  font-size:11px;
}
/* CTA区域 */
.cta-section{
  background:linear-gradient(135deg,rgba(59,130,246,.1),rgba(59,130,246,.05));
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:48px 20px;
  text-align:center;
}
.cta-section h2{
  font-size:28px;
  color:var(--text-primary);
  margin-bottom:12px;
}
.cta-section h2 span{
  color:var(--gold);
}
.cta-section p{
  color:var(--text-secondary);
  font-size:15px;
  margin-bottom:28px;
  max-width:600px;
  margin-left:auto;
  margin-right:auto;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-btn{
  padding:14px 32px;
  border-radius:8px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  transition:all .3s;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.cta-btn-primary{
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  border:none;
}
.cta-btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
.cta-btn-outline{
  background:transparent;
  color:var(--gold);
  border:1px solid var(--gold);
}
.cta-btn-outline:hover{
  background:rgba(59,130,246,.1);
  transform:translateY(-2px);
}
/* 相关推荐 */
.related-section{
  max-width:1200px;
  margin:40px auto 0;
  max-width:1200px;
  margin:40px auto 0;
  margin-top:40px;
  padding-top:32px;
  border-top:1px solid var(--border);
}
.related-section h3{
  font-size:20px;
  color:var(--text-primary);
  margin-bottom:20px;
  text-align:center;
}
.related-section h3::after{
  content:'';
  display:block;
  width:40px;
  height:3px;
  background:var(--gold);
  margin:10px auto 0;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:16px;
}
.related-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  overflow:hidden;
  transition:all .3s;
  text-decoration:none;
}
.related-card:hover{
  transform:translateY(-3px);
  border-color:var(--gold-dark);
  box-shadow:0 8px 24px rgba(0,0,0,.3);
}
.related-card .img{
  width:100%;
  height:140px;
  background:var(--bg-section);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-muted);
  font-size:13px;
}
.related-card .info{
  padding:14px;
}
.related-card .info h4{
  font-size:14px;
  color:var(--text-primary);
  margin-bottom:6px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.related-card .info p{
  display:none;
}
/* 询盘表单 */
.inquiry-section{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:32px;
  margin-top:40px;
}
.inquiry-section h3{
  font-size:22px;
  color:var(--text-primary);
  margin-bottom:8px;
  text-align:center;
}
.inquiry-section .sub{
  text-align:center;
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:24px;
}
.inquiry-form{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  max-width:700px;
  margin:0 auto;
}
.inquiry-form .full{
  grid-column:1/-1;
}
.inquiry-form label{
  display:block;
  color:var(--text-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:6px;
}
.inquiry-form input,
.inquiry-form textarea,
.inquiry-form select{
  width:100%;
  padding:10px 14px;
  background:var(--bg-input);
  border:1px solid var(--border);
  border-radius:6px;
  color:var(--text-primary);
  font-size:14px;
  transition:border-color .2s;
  font-family:inherit;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus,
.inquiry-form select:focus{
  outline:none;
  border-color:var(--gold);
}
.inquiry-form textarea{
  resize:vertical;
  min-height:80px;
}
.inquiry-form .submit-btn{
  grid-column:1/-1;
  padding:14px;
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  border:none;
  border-radius:8px;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  transition:all .3s;
}
.inquiry-form .submit-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .float-contact{right:8px;gap:6px}
  .float-btn{width:44px;height:44px;font-size:18px}
  .float-btn .tooltip{display:none}
  .inquiry-form{grid-template-columns:1fr}
  .inquiry-section{padding:20px}
  .cta-section h2{font-size:22px}
  .trust-badge{padding:10px 14px}
  .trust-badge .icon{font-size:20px}
}


.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;overflow-y:hidden;margin:15px 0;border-radius:8px;}
.table-responsive table{width:100%;min-width:600px;margin:0;border-collapse:collapse;}
.table-responsive::-webkit-scrollbar{height:6px;}
.table-responsive::-webkit-scrollbar-track{background:rgba(255,255,255,0.05);border-radius:3px;}
.table-responsive::-webkit-scrollbar-thumb{background:rgba(59,130,246,0.5);border-radius:3px;}
@media(max-width:768px){.table-scroll-hint{display:block;font-size:12px;color:#8b949e;text-align:right;margin-top:5px;}}
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
.nav-menu.open{display:flex !important;}
.hamburger{z-index:100000;cursor:pointer;}


/* ========== 表格样式（深色主题+移动端适配） ========== */
table{
  width:100% !important;
  border-collapse:collapse !important;
  margin:16px 0 !important;
  font-size:14px !important;
  background:var(--bg-card) !important;
  border:1px solid var(--border) !important;
  border-radius:8px !important;
  overflow:hidden !important;
}
table th{
  background:var(--bg-section) !important;
  color:var(--gold) !important;
  padding:12px 16px !important;
  text-align:left !important;
  font-weight:700 !important;
  border-bottom:2px solid var(--gold-dark) !important;
}
table td{
  padding:10px 16px !important;
  border-bottom:1px solid var(--border) !important;
  color:var(--text-secondary) !important;
  background:var(--bg-card) !important;
  vertical-align:top !important;
}
table tr:last-child td{
  border-bottom:none !important;
}
table tr:hover td{
  background:rgba(59,130,246,.05) !important;
}
/* 表格外层可横向滚动 */
.product-desc-section,
.desc-content,
.page-content,
.product-spec-list,
.article-detail{
  overflow-x:auto !important;
  -webkit-overflow-scrolling:touch !important;
}
.product-desc-section table,
.desc-content table,
.page-content table,
.product-spec-list table,
.article-detail table{
  min-width:500px !important;
}
/* 手机端优化 */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  table{
    font-size:13px !important;
  }
  table th,
  table td{
    padding:8px 12px !important;
  }
  .product-desc-section table,
  .desc-content table,
  .page-content table,
  .product-spec-list table,
  .article-detail table{
    min-width:400px !important;
  }
}


/* ========== 产品详情页手机端宽度适配 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  /* 页面整体去掉左右padding */
  .section{
    padding:24px 0 !important;
  }
  .container{
    padding:0 12px !important;
    max-width:100% !important;
  }
  /* 产品详情页主容器 */
  .product-detail,
  .product-main,
  .product-gallery,
  .product-info-block{
    padding:0 !important;
    margin:0 !important;
    max-width:100% !important;
  }
  /* 产品图片展示到边 */
  .product-main-img,
  .product-img,
  .product-desc-section img,
  .desc-content img{
    width:100% !important;
    max-width:100% !important;
    margin-left:0 !important;
    margin-right:0 !important;
    border-radius:0 !important;
  }
  /* 产品描述区域去掉左右padding */
  .product-desc-section,
  .product-spec-list,
  .product-actions{
    margin-left:12px !important;
    margin-right:12px !important;
    padding:20px 16px !important;
  }
  /* 产品标题和价格 */
  .product-info-block h1{
    font-size:22px !important;
    padding:0 12px !important;
  }
  .product-info-block .price{
    font-size:26px !important;
    padding:0 12px !important;
  }
  /* 产品缩略图 */
  .product-thumbs{
    padding:0 12px !important;
  }
  /* 面包屑 */
  .breadcrumb{
    padding:10px 12px !important;
  }
  /* 页面Banner */
  .page-banner{
    padding:65px 12px 20px !important;
  }
  /* 文章详情页 */
  .article-detail{
    padding:0 12px 30px !important;
    max-width:100% !important;
  }
  .article-detail img{
    width:100% !important;
    max-width:100% !important;
    margin-left:0 !important;
    margin-right:0 !important;
    border-radius:0 !important;
  }
  /* 通用内容区域 */
  .content-grid,
  .product-grid,
  .news-list{
    padding:0 12px !important;
  }
  /* 按钮全宽 */
  .product-actions .btn{
    flex:1 !important;
    text-align:center !important;
  }
}
/* 更小屏幕（<=480px）进一步优化 */
@media(max-width:480px){
  .container{
    padding:0 8px !important;
  }
  .product-desc-section,
  .product-spec-list{
    margin-left:8px !important;
    margin-right:8px !important;
    padding:16px 12px !important;
  }
  .product-info-block h1{
    padding:0 8px !important;
    font-size:20px !important;
  }
  .product-info-block .price{
    padding:0 8px !important;
    font-size:24px !important;
  }
  .product-thumbs{
    padding:0 8px !important;
  }
  .breadcrumb{
    padding:4px 8px !important;
    font-size:11px !important;
    margin-bottom:0 !important;
  }
  .article-detail{
    padding:0 8px 24px !important;
  }
}


/* ========== 产品列表页手机端适配 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  /* 隐藏侧边栏（分类筛选） */
  .sidebar-layout{
    grid-template-columns:1fr !important;
    gap:0 !important;
    padding:0 !important;
  }
  .sidebar{
    display:none !important;
  }
  /* 产品列表区域占满宽度 */
  .sidebar-layout > div:last-child,
  .sidebar-layout > .content,
  .sidebar-layout > main{
    width:100% !important;
    padding:0 !important;
    margin:0 !important;
  }
  /* 筛选工具栏 */
  .filter-bar{
    padding:12px 12px !important;
    margin-bottom:12px !important;
  }
  .filter-bar h3{
    font-size:18px !important;
  }
  .filter-bar .count{
    font-size:12px !important;
  }
  .sort-select{
    font-size:12px !important;
    padding:6px 10px !important;
  }
  /* 产品网格改成单列 */
  .product-grid{
    grid-template-columns:1fr !important;
    gap:16px !important;
    padding:0 12px !important;
    max-width:100% !important;
  }
  /* 产品卡片占满宽度 */
  .product-card{
    width:100% !important;
    border-radius:12px !important;
    overflow:hidden !important;
  }
  /* 产品图片到边，高度自适应 */
  .product-img{
    width:100% !important;
    height:auto !important;
    aspect-ratio:16/10 !important;
    object-fit:cover !important;
    border-radius:0 !important;
  }
  .product-img-placeholder{
    width:100% !important;
    height:200px !important;
  }
  /* 产品信息区域 */
  .product-info{
    padding:16px !important;
  }
  .product-name{
    font-size:17px !important;
    white-space:normal !important;
    overflow:visible !important;
    text-overflow:clip !important;
    display:block !important;
    -webkit-line-clamp:unset !important;
    line-height:1.5 !important;
    margin-bottom:8px !important;
  }
  .product-spec{
    font-size:13px !important;
    white-space:normal !important;
    overflow:visible !important;
    text-overflow:clip !important;
    line-height:1.7 !important;
    margin-bottom:10px !important;
  }
  .product-price{
    font-size:20px !important;
    font-weight:800 !important;
  }
  .product-badges{
    margin-bottom:10px !important;
  }
  .badge{
    font-size:11px !important;
    padding:3px 10px !important;
  }
  /* 分页 */
  .pagination{
    padding:0 12px !important;
    margin-top:24px !important;
  }
  .pagination a,
  .pagination span{
    padding:8px 12px !important;
    font-size:13px !important;
  }
}
/* 更小屏幕（<=480px） */
@media(max-width:480px){
  .product-grid{
    padding:0 8px !important;
    gap:12px !important;
  }
  .product-info{
    padding:14px !important;
  }
  .product-name{
    font-size:16px !important;
  }
  .product-spec{
    font-size:12px !important;
  }
  .product-price{
    font-size:18px !important;
  }
  .filter-bar{
    padding:10px 8px !important;
  }
}


/* ========== 移动端菜单排版优化 ========== */
@media(max-width:968px){
  .nav-menu{
    position:fixed !important;
    top:60px !important;
    left:0 !important;
    width:100% !important;
    height:calc(100vh - 60px) !important;
    flex-direction:column !important;
    background:#0d1117 !important;
    padding:20px 0 !important;
    gap:0 !important;
    display:none;
    border-bottom:1px solid var(--border) !important;
    overflow-y:auto !important;
    z-index:99999 !important;
  }
  .nav-menu.open{
    display:flex !important;
  }
  /* 菜单项 */
  .nav-menu li{
    width:100% !important;
    border-bottom:1px solid rgba(48,54,61,.5) !important;
  }
  .nav-menu li:last-child{
    border-bottom:none !important;
  }
  /* 菜单链接 */
  .nav-menu a{
    display:block !important;
    padding:16px 24px !important;
    font-size:16px !important;
    font-weight:500 !important;
    letter-spacing:2px !important;
    color:var(--text-secondary) !important;
    text-align:center !important;
    position:relative !important;
    transition:all .3s !important;
  }
  .nav-menu a:hover,
  .nav-menu a.active{
    color:var(--gold-light) !important;
    background:rgba(59,130,246,.08) !important;
  }
  /* 去掉原来的下划线动画，改用左侧金色竖条 */
  .nav-menu a::after{
    display:none !important;
  }
  .nav-menu a.active::before{
    content:'' !important;
    position:absolute !important;
    left:0 !important;
    top:50% !important;
    transform:translateY(-50%) !important;
    width:4px !important;
    height:60% !important;
    background:var(--gold) !important;
    border-radius:0 4px 4px 0 !important;
  }
  /* 搜索框 */
  .nav-search{
    margin:16px 24px !important;
    padding:0 !important;
    border-bottom:none !important;
  }
  .nav-search form{
    width:100% !important;
  }
  .nav-search input{
    flex:1 !important;
    width:auto !important;
    padding:12px 16px !important;
    font-size:14px !important;
    border-radius:8px !important;
  }
  .nav-search input:focus{
    width:auto !important;
  }
  .nav-search button{
    padding:8px 12px !important;
    font-size:18px !important;
  }
  /* 子菜单（如果有） */
  .sub-menu{
    position:static !important;
    transform:none !important;
    background:rgba(13,17,23,.8) !important;
    border:none !important;
    border-radius:0 !important;
    padding:0 !important;
    min-width:auto !important;
    opacity:1 !important;
    visibility:visible !important;
    box-shadow:none !important;
    display:none !important;
  }
  .nav-menu li:hover .sub-menu{
    display:block !important;
  }
  .sub-menu a{
    padding:12px 24px 12px 48px !important;
    font-size:14px !important;
    color:var(--text-muted) !important;
  }
}
/* 更小屏幕 */
@media(max-width:480px){
  .nav-menu a{
    padding:14px 20px !important;
    font-size:15px !important;
  }
  .nav-search{
    margin:12px 16px !important;
  }
}


/* ========== 浮动在线客服 ========== */
.float-contact{
  position:fixed;
  right:16px;
  bottom:30px;
  z-index:9998;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.float-btn{
  width:52px;
  height:52px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
  transition:all .3s;
  text-decoration:none;
  border:none;
  position:relative;
}
.float-btn:hover{
  transform:scale(1.1);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
.float-btn .tooltip{
  position:absolute;
  right:64px;
  top:50%;
  transform:translateY(-50%);
  background:var(--bg-card);
  border:1px solid var(--gold);
  color:var(--text-primary);
  padding:8px 14px;
  border-radius:6px;
  font-size:13px;
  white-space:nowrap;
  opacity:0;
  visibility:hidden;
  transition:all .3s;
  pointer-events:none;
}
.float-btn:hover .tooltip{
  opacity:1;
  visibility:visible;
  right:68px;
}
.float-btn .tooltip::after{
  content:'';
  position:absolute;
  right:-6px;
  top:50%;
  transform:translateY(-50%);
  border-left:6px solid var(--gold);
  border-top:6px solid transparent;
  border-bottom:6px solid transparent;
}
/* 微信二维码弹窗 */
.wechat-modal{
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,.7);
  z-index:10000;
  display:none;
  align-items:center;
  justify-content:center;
}
.wechat-modal.show{
  display:flex;
}
.wechat-box{
  background:var(--bg-card);
  border:1px solid var(--gold);
  border-radius:12px;
  padding:30px;
  text-align:center;
  max-width:320px;
}
.wechat-box h4{
  color:var(--gold);
  font-size:18px;
  margin-bottom:16px;
}
.wechat-box .qr-placeholder{
  width:200px;
  height:200px;
  background:var(--bg-section);
  border:1px solid var(--border);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 16px;
  color:var(--text-muted);
  font-size:13px;
}
.wechat-box p{
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:8px;
}
.wechat-box .close-btn{
  margin-top:16px;
  padding:8px 24px;
  background:var(--gold);
  color:#0d1117;
  border:none;
  border-radius:6px;
  cursor:pointer;
  font-size:14px;
  font-weight:700;
}
/* 信任背书 */
.trust-badges{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
  margin:24px 0;
}
.trust-badge{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:8px;
  padding:12px 20px;
  transition:all .3s;
}
.trust-badge:hover{
  border-color:var(--gold);
  transform:translateY(-2px);
}
.trust-badge .icon{
  font-size:24px;
}
.trust-badge .text{
  text-align:left;
}
.trust-badge .text strong{
  display:block;
  color:var(--gold-light);
  font-size:14px;
  font-weight:700;
}
.trust-badge .text span{
  color:var(--text-muted);
  font-size:11px;
}
/* CTA区域 */
.cta-section{
  background:linear-gradient(135deg,rgba(59,130,246,.1),rgba(59,130,246,.05));
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:48px 20px;
  text-align:center;
}
.cta-section h2{
  font-size:28px;
  color:var(--text-primary);
  margin-bottom:12px;
}
.cta-section h2 span{
  color:var(--gold);
}
.cta-section p{
  color:var(--text-secondary);
  font-size:15px;
  margin-bottom:28px;
  max-width:600px;
  margin-left:auto;
  margin-right:auto;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-btn{
  padding:14px 32px;
  border-radius:8px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  transition:all .3s;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.cta-btn-primary{
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  border:none;
}
.cta-btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
.cta-btn-outline{
  background:transparent;
  color:var(--gold);
  border:1px solid var(--gold);
}
.cta-btn-outline:hover{
  background:rgba(59,130,246,.1);
  transform:translateY(-2px);
}
/* 相关推荐 */
.related-section{
  max-width:1200px;
  margin:40px auto 0;
  margin-top:40px;
  padding-top:32px;
  border-top:1px solid var(--border);
}
.related-section h3{
  font-size:20px;
  color:var(--text-primary);
  margin-bottom:20px;
  text-align:center;
}
.related-section h3::after{
  content:'';
  display:block;
  width:40px;
  height:3px;
  background:var(--gold);
  margin:10px auto 0;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:16px;
}
.related-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  overflow:hidden;
  transition:all .3s;
  text-decoration:none;
}
.related-card:hover{
  transform:translateY(-3px);
  border-color:var(--gold-dark);
  box-shadow:0 8px 24px rgba(0,0,0,.3);
}
.related-card .img{
  width:100%;
  height:140px;
  background:var(--bg-section);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-muted);
  font-size:13px;
}
.related-card .info{
  padding:14px;
}
.related-card .info h4{
  font-size:14px;
  color:var(--text-primary);
  margin-bottom:6px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.related-card .info p{
  display:none;
}
/* 询盘表单 */
.inquiry-section{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:32px;
  margin-top:40px;
}
.inquiry-section h3{
  font-size:22px;
  color:var(--text-primary);
  margin-bottom:8px;
  text-align:center;
}
.inquiry-section .sub{
  text-align:center;
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:24px;
}
.inquiry-form{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  max-width:700px;
  margin:0 auto;
}
.inquiry-form .full{
  grid-column:1/-1;
}
.inquiry-form label{
  display:block;
  color:var(--text-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:6px;
}
.inquiry-form input,
.inquiry-form textarea,
.inquiry-form select{
  width:100%;
  padding:10px 14px;
  background:var(--bg-input);
  border:1px solid var(--border);
  border-radius:6px;
  color:var(--text-primary);
  font-size:14px;
  transition:border-color .2s;
  font-family:inherit;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus,
.inquiry-form select:focus{
  outline:none;
  border-color:var(--gold);
}
.inquiry-form textarea{
  resize:vertical;
  min-height:80px;
}
.inquiry-form .submit-btn{
  grid-column:1/-1;
  padding:14px;
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  color:#0d1117;
  border:none;
  border-radius:8px;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  transition:all .3s;
}
.inquiry-form .submit-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(59,130,246,.4);
}
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .float-contact{right:8px;gap:6px}
  .float-btn{width:44px;height:44px;font-size:18px}
  .float-btn .tooltip{display:none}
  .inquiry-form{grid-template-columns:1fr}
  .inquiry-section{padding:20px}
  .cta-section h2{font-size:22px}
  .trust-badge{padding:10px 14px}
  .trust-badge .icon{font-size:20px}
}


/* ========== 手机端悬浮按钮强制缩小 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  body .back-to-top,
  body .float-contact,
  body .float-contact a,
  body .float-contact button,
  body .float-contact div,
  body [class*="float"],
  body [class*="contact-btn"]{
    width:28px !important;
    height:28px !important;
    min-width:28px !important;
    min-height:28px !important;
    font-size:12px !important;
    line-height:28px !important;
    border-radius:3px !important;
    bottom:1px !important;
    right:1px !important;
  }
  body .float-contact{
    width:auto !important;
    height:auto !important;
    gap:6px !important;
    display:flex !important;
    flex-direction:column !important;
  }
  body .float-contact svg,
  body .float-contact img,
  body .back-to-top svg,
  body .back-to-top img{
    width:14px !important;
    height:14px !important;
  }
}

/* ========== 手机端首页图片框高度强制调高 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  body .cover-image,
  body .banner-img,
  body .banner-slide img,
  body .banner-slider img,
  body .hero-image,
  body .home-banner img{
    min-height:193px !important;
    height:193px !important;
    max-height:193px !important;
    object-fit:contain !important;
  }
  body .cover{
    padding-top:100px !important;
    padding-bottom:80px !important;
  }
}

/* ========== 手机端封面底部标语区域高度压缩 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  body .cover-tagline{
    margin-top:8px !important;
    font-size:11px !important;
    letter-spacing:1px !important;
    line-height:1.3 !important;
  }
  body .cover{
    padding-bottom:20px !important;
  }
}

/* ========== Banner国际惯例标准 ========== */
/* 电脑端：1920x550px，3:1宽屏比例，cover填满 */
.banner-slider{height:650px !important;}
.cover-image{height:650px !important;min-height:650px !important;max-height:650px !important;object-fit:cover !important;}

/* 手机端：宽度100%，高度250px，16:9比例，cover填满 */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .banner-slider{height:250px !important;}
  .cover-image{height:250px !important;min-height:250px !important;max-height:250px !important;object-fit:cover !important;}
  .cover{padding-top:80px !important;padding-bottom:20px !important;min-height:auto !important;}
}

/* ========== 修复轮播图超出边界 ========== */
.cover{
  overflow:hidden !important;
  width:100% !important;
  max-width:100% !important;
}
.cover-image{
  display:block !important;
  width:100% !important;
  max-width:100% !important;
  height:auto !important;
  max-height:650px !important;
  object-fit:cover !important;
  object-position:center center !important;
  margin:0 auto !important;
}
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .cover-image{
    max-height:250px !important;
  }
}

/* ========== 移动端细节优化 ========== */
@media(max-width:768px){
  .cover, .cover { padding-top: 80px !important; }
  .logo img { height: 30px !important; }
  .btn,.btn-gold,.btn-outline{min-height:44px;min-width:44px;padding:10px 20px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;}
  .nav-menu a{min-height:44px;display:flex;align-items:center;padding:0 14px;}
  input,select,textarea{min-height:44px;font-size:16px;}
  .pagination a,.pagination span{min-height:40px;min-width:40px;display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;}
  body{font-size:15px;line-height:1.8;}
  .article-content,.news-content{font-size:15px;line-height:1.6;}
  .article-content p,.news-content p{margin-bottom:4px;}
  h1{font-size:24px;}h2{font-size:20px;}h3{font-size:18px;}h4{font-size:16px;}
  .page-banner{padding:100px 16px 50px;}
  .page-banner h1{font-size:28px;}
  .page-banner p{font-size:14px;}
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .card,.product-card,.news-card{margin-bottom:16px;}
  img{max-width:100%;height:auto;}
  .btn:active,.btn-gold:active,.btn-outline:active{transform:scale(0.97);opacity:0.9;}
  a:active{opacity:0.8;}
  .sidebar{margin-top:20px;}
  .footer{padding:30px 16px 20px;}
  .footer-contact{grid-template-columns:1fr 1fr;gap:12px;}
  .footer-brand{font-size:24px;letter-spacing:3px;}
}
@media(max-width:480px){
  body{font-size:14px;}
  .article-content,.news-content{font-size:14px;}
  h1{font-size:22px;}h2{font-size:18px;}h3{font-size:16px;}
  .page-banner h1{font-size:24px;}
  .btn,.btn-gold,.btn-outline{padding:10px 16px;font-size:13px;}
  .footer-contact{grid-template-columns:1fr;}
}
input,select,textarea{font-size:16px;}
img{transition:opacity .3s;}
@media (max-width:768px){
#applications .content-card>div:first-child{display:none!important}
#applications .content-card{text-align:left!important;padding:14px!important}
#applications .content-card .card-title{font-size:14px!important;margin-bottom:6px!important}
#applications .content-card p{font-size:12px!important;line-height:1.5!important;margin-bottom:0!important}
#applications .content-grid{grid-template-columns:1fr 1fr!important;gap:10px!important}
footer{padding:24px 0 16px!important}
footer>div:first-child{padding:0 16px!important}
footer>div:first-child>div:first-child{grid-template-columns:1fr!important;gap:20px!important;margin-bottom:20px!important}
footer h4{font-size:14px!important;margin-bottom:10px!important}
footer p,footer li,footer a{font-size:12px!important;line-height:1.8!important}
.sample-notice{margin:16px!important;padding:14px!important}
.sample-notice h3{font-size:14px!important;margin-bottom:10px!important}
.notice-grid{grid-template-columns:1fr 1fr!important;gap:6px 12px!important}
.notice-grid>div{font-size:11px!important;line-height:1.5!important}
.sample-layout{grid-template-columns:1fr!important;gap:20px!important;padding:0 16px!important}
.sample-layout>div:first-child{order:2!important}
.sample-layout>div:last-child{order:1!important}
.sample-layout>div:first-child>div{padding:14px!important;margin-bottom:10px!important;display:flex!important;align-items:flex-start!important;gap:12px!important}
.sample-layout>div:first-child>div>div:first-child{font-size:24px!important;margin-bottom:0!important;flex-shrink:0!important}
#sampleForm{width:100%!important;max-width:100%!important}
#sampleForm input,#sampleForm select,#sampleForm textarea{width:100%!important;min-height:44px!important;padding:0 12px!important;font-size:14px!important;box-sizing:border-box!important}
#sampleForm textarea{min-height:88px!important;padding:12px!important}
#sampleForm .submit-btn{width:100%!important;min-height:48px!important}
.hero,.banner,.cover,.page-banner{min-height:auto!important;padding:90px 0 30px!important}
.cover{padding-top:90px!important}
.cover-title{font-size:22px!important;line-height:1.4!important}
.cover-title span{display:block!important;margin-top:10px!important;font-size:12px!important;line-height:1.7!important;color:var(--text-secondary)!important}
.page-banner{padding-top:80px!important}
html{scroll-padding-top:70px}
.hero h1,.banner h1,.cover-title,.page-banner h1{font-size:24px!important;line-height:1.3!important;padding:0 16px!important}
.hero p,.banner p,.cover-subtitle,.page-banner p{font-size:14px!important;line-height:1.6!important;padding:0 16px!important}
.hero-buttons,.banner-buttons,.cover-cta{display:flex!important;gap:12px!important;padding:0 16px!important}
.hero-buttons .btn,.banner-buttons .btn,.cover-cta .btn{flex:1!important;min-height:48px!important;font-size:14px!important}
.product-grid{grid-template-columns:1fr 1fr!important;gap:12px!important;padding:0 16px!important}
.product-img-wrap{height:140px!important}
.product-info{padding:12px!important}
.product-name{font-size:13px!important;line-height:1.4!important}
.product-desc,.product-spec{display:none!important}
.advantages,.features,.strengths{display:grid!important;grid-template-columns:1fr 1fr!important;gap:12px!important}
.advantage-item,.feature-item,.strength-item{padding:16px 12px!important;text-align:center!important}
.advantage-item .icon,.feature-item .icon,.strength-item .icon{font-size:28px!important;margin-bottom:8px!important}
.advantage-item h3,.feature-item h3,.strength-item h3{font-size:14px!important;margin-bottom:4px!important}
.advantage-item p,.feature-item p,.strength-item p{font-size:12px!important;line-height:1.4!important;margin-bottom:0!important}
.content-card{padding:14px!important;border-radius:8px!important}
.content-card .card-title{font-size:14px!important;margin-bottom:6px!important}
.content-card p{font-size:12px!important;line-height:1.5!important}
.content-grid{gap:12px!important}
.section-alt{padding:28px 0!important}
.section-header{margin-bottom:16px!important}
.section-title{font-size:18px!important;margin-bottom:6px!important}
.section-desc{font-size:12px!important;line-height:1.5!important}
}
/* 电脑端默认显示电脑端图片，隐藏手机端图片 */
.cover-image-pc { display: block !important; }
.cover-image-mobile { display: none !important; }

/* 手机端（宽度<=768px）显示手机端图片，隐藏电脑端图片 */
@media (max-width: 768px) {
  .cover-image-pc { display: none !important; }
  .cover-image-mobile { display: block !important; }
}
.cover-image-pc { display: block !important; }
.cover-image-mobile { display: none !important; }
@media (max-width: 768px) {
  .cover-image-pc { display: none !important; }
  .cover-image-mobile { display: block !important; }
}
.cover-image-pc { display: block !important; }
.cover-image-mobile { display: none !important; }
@media (max-width: 768px) {
  .cover-image-pc { display: none !important; }
  .cover-image-mobile { display: block !important; }
}