/* ==========================================================================
   laad.cn 全新前台样式 - 科技蓝 / 白底深字 / 极简现代
   前缀 l- 避免与旧模板样式冲突
   ========================================================================== */
:root{
  --l-primary:#2563eb;         /* 科技蓝 */
  --l-primary-d:#1d4ed8;
  --l-primary-l:#eff6ff;
  --l-ink:#1f2937;            /* 主文字 */
  --l-gray:#64748b;
  --l-line:#e5e7eb;
  --l-bg:#ffffff;
  --l-bg-soft:#f8fafc;
  --l-radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--l-bg);color:var(--l-ink);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none}
.l-container{max-width:1200px;margin:0 auto;padding:0 20px}
.l-clearfix:after{content:"";display:block;clear:both}

/* ---------- 通用按钮 ---------- */
.l-btn{display:inline-block;background:var(--l-primary);color:#fff;padding:10px 26px;border-radius:6px;font-size:15px;transition:.25s;border:1px solid var(--l-primary)}
.l-btn:hover{background:var(--l-primary-d);border-color:var(--l-primary-d)}
.l-btn-outline{background:transparent;color:var(--l-primary);border:1px solid var(--l-primary)}
.l-btn-outline:hover{background:var(--l-primary);color:#fff}

/* ---------- 区块 ---------- */
.l-section{padding:70px 0}
.l-section.soft{background:var(--l-bg-soft)}
.l-sec-head{text-align:center;margin-bottom:44px}
.l-sec-kicker{display:inline-block;color:var(--l-primary);font-size:13px;letter-spacing:2px;text-transform:uppercase;font-weight:600;margin-bottom:10px}
.l-sec-title{font-size:30px;font-weight:700;color:var(--l-ink)}
.l-sec-sub{color:var(--l-gray);font-size:15px;margin-top:10px;max-width:640px;margin-left:auto;margin-right:auto}

/* ==========================================================================
   顶部导航（浅色固定）
   ========================================================================== */
.l-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--l-line);transition:.3s}
.l-header .l-container{display:flex;align-items:center;justify-content:space-between;height:66px}
.l-logo{display:flex;align-items:center;gap:10px}
.l-logo img{height:40px;width:auto}
.l-logo .l-logo-name{font-size:20px;font-weight:700;color:var(--l-ink);white-space:nowrap}
.l-nav{display:flex;align-items:center;gap:4px}
.l-nav > li{position:relative}
.l-nav > li > a{display:block;padding:22px 16px;color:var(--l-ink);font-size:15px;font-weight:500;transition:.2s;border-bottom:2px solid transparent}
.l-nav > li > a:hover{color:var(--l-primary)}
.l-nav > li.active > a{color:var(--l-primary);border-bottom-color:var(--l-primary)}
.l-nav li:hover > .l-drop{display:block}
.l-nav-arr{font-size:9px;margin-left:6px;color:var(--l-gray);vertical-align:2px;transition:.2s;line-height:1;display:inline-block}
.l-nav li:hover > a .l-nav-arr{color:var(--l-primary);transform:rotate(180deg)}
.l-drop{display:none;position:absolute;top:100%;left:0;min-width:160px;background:linear-gradient(155deg,rgba(255,255,255,.85) 0%,rgba(255,255,255,.55) 100%);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border:1px solid rgba(255,255,255,.8);border-radius:12px;box-shadow:0 22px 40px -12px rgba(37,99,235,.20),0 8px 18px rgba(31,41,55,.10),inset 0 1px 0 rgba(255,255,255,.9);z-index:200;padding:8px 0}
.l-drop::before{content:'';position:absolute;left:14px;right:14px;top:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.9),rgba(255,255,255,0))}
.l-drop a{display:block;padding:10px 20px;font-size:14px;color:var(--l-ink);white-space:nowrap;transition:.15s}
.l-drop a:hover{color:var(--l-primary);background:var(--l-primary-l)}
.l-nav-toggle{display:none}
body{padding-top:66px}

/* 移动端导航 */
@media (max-width:900px){
  .l-nav-toggle{display:block;background:none;border:0;cursor:pointer;width:34px;height:34px;position:relative}
  .l-nav-toggle span{display:block;width:24px;height:2px;background:var(--l-ink);margin:5px auto;transition:.3s}
  .l-nav{display:none;position:fixed;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;max-height:calc(100vh - 66px);overflow:auto;border-bottom:1px solid var(--l-line)}
  .l-nav.open{display:flex}
  .l-nav > li > a{padding:14px 20px;border-bottom:1px solid var(--l-line)}
  .l-nav > li.active > a{border-bottom-color:var(--l-line)}
  .l-nav li:hover > .l-drop{display:none}
  .l-nav li.open > .l-drop{display:block}
  .l-drop{position:static;transform:none;left:0;display:none;min-width:0;width:100%;border:0;border-top:1px solid var(--l-line);border-radius:0;box-shadow:none;padding:4px 0;background:var(--l-bg-soft)}
  .l-drop a{padding:11px 20px 11px 38px}
  .l-logo-name{font-size:15px}
  .l-logo img{height:30px}
  .l-nav > li > a{border-left:2px solid transparent}
  .l-nav > li.active > a{border-left-color:var(--l-primary)}
}

/* ==========================================================================
   首页 Hero（科技蓝渐变）
   ========================================================================== */
.l-hero{position:relative;background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 55%,#3b82f6 100%);color:#fff;padding:96px 0 88px;overflow:hidden}
.l-hero-slides{position:absolute;inset:0;z-index:0}
.l-hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.l-hero-slide.active{opacity:1}
.l-hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(15,33,61,.85) 0%,rgba(30,58,138,.66) 50%,rgba(37,99,235,.4) 100%)}
.l-hero:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 60%)}
.l-hero .l-container{position:relative;z-index:2;display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.l-hero-left{flex:1.2;min-width:300px}
.l-hero-tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:20px;font-size:13px;margin-bottom:18px}
.l-hero h1{font-size:38px;font-weight:800;line-height:1.3;margin-bottom:16px}
.l-hero h1 em{font-style:normal;color:#bfdbfe}
.l-hero p{font-size:16px;color:#dbeafe;max-width:520px;margin-bottom:26px}
.l-hero .l-hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.l-hero .l-hero-btns .l-btn-white{background:#fff;color:var(--l-primary);padding:12px 28px;border-radius:6px;font-weight:600;transition:.25s}
.l-hero .l-hero-btns .l-btn-white:hover{background:#dbeafe}
.l-hero .l-hero-btns .l-btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);padding:12px 28px;border-radius:6px;font-weight:600;transition:.25s}
.l-hero .l-hero-btns .l-btn-ghost:hover{background:rgba(255,255,255,.12)}
.l-hero-right{flex:1;min-width:280px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.l-hero-stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:20px;backdrop-filter:blur(4px)}
.l-hero-stat b{display:block;font-size:28px;font-weight:800;color:#fff}
.l-hero-stat span{font-size:13px;color:#dbeafe}

/* 首页板块小导航 / 快捷入口 */
.l-quick{background:var(--l-bg);border-bottom:1px solid var(--l-line)}
.l-quick .l-container{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;padding:26px 20px}
.l-quick{background:var(--l-bg);border-bottom:1px solid var(--l-line)}
.l-quick .l-container{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;padding:26px 20px}
.l-quick a{text-align:center;padding:20px 8px 18px;border-radius:14px;color:var(--l-ink);position:relative;overflow:hidden;background:linear-gradient(155deg,rgba(255,255,255,.72),rgba(240,246,255,.55));border:1px solid rgba(255,255,255,.78);box-shadow:0 10px 24px -10px rgba(37,99,235,.16),inset 0 1px 0 rgba(255,255,255,.9);transition:.28s}
.l-quick a::after{content:'';position:absolute;left:10px;right:10px;top:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.9),rgba(255,255,255,0))}
.l-quick a:hover{transform:translateY(-3px);box-shadow:0 18px 34px -12px rgba(37,99,235,.28),inset 0 1px 0 rgba(255,255,255,.9);border-color:rgba(37,99,235,.22);color:var(--l-primary)}
.l-quick .l-qi{width:44px;height:44px;margin:0 auto;display:flex;align-items:center;justify-content:center;border-radius:13px;transition:.28s}
.l-quick .l-qi svg{width:24px;height:24px;color:#fff;display:block}
.l-quick .l-qi.c-pulse{background:linear-gradient(145deg,#5aa2f7,#3b82f6);box-shadow:0 8px 18px -6px rgba(59,130,246,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick .l-qi.c-tension{background:linear-gradient(145deg,#2bc4ae,#0ea5a0);box-shadow:0 8px 18px -6px rgba(14,165,160,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick .l-qi.c-fiber{background:linear-gradient(145deg,#a78bfa,#7c3aed);box-shadow:0 8px 18px -6px rgba(124,58,237,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick .l-qi.c-laser{background:linear-gradient(145deg,#fb923c,#ea580c);box-shadow:0 8px 18px -6px rgba(234,88,12,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick .l-qi.c-ir{background:linear-gradient(145deg,#fb7185,#e11d48);box-shadow:0 8px 18px -6px rgba(225,29,72,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick .l-qi.c-hv{background:linear-gradient(145deg,#fbbf24,#f59e0b);box-shadow:0 8px 18px -6px rgba(245,158,11,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.l-quick a:hover .l-qi{transform:translateY(-2px);filter:brightness(1.08)}
.l-quick .l-qt{margin-top:12px;font-size:14px;font-weight:500;line-height:1.2}

/* ==========================================================================
   产品卡片
   ========================================================================== */
.l-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.l-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.l-grid.cols-6{grid-template-columns:repeat(6,1fr)}
.l-card{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);overflow:hidden;transition:.28s;display:block}
.l-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(31,41,55,.12);border-color:#c7d2fe}
.l-card .l-card-img{position:relative;overflow:hidden;background:#f1f5f9;aspect-ratio:4/3}
.l-card .l-card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.l-card:hover .l-card-img img{transform:scale(1.05)}
.l-card .l-card-txt{padding:16px 18px}
.l-card .l-card-txt h3{font-size:16px;font-weight:600;color:var(--l-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.l-card .l-card-txt p{font-size:13px;color:var(--l-gray);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.l-card .l-card-txt .l-model{font-size:12px;color:var(--l-primary);margin-top:8px}

/* ==========================================================================
   新闻列表
   ========================================================================== */
.l-news-list li{border-bottom:1px solid var(--l-line);padding:16px 0}
.l-news-list li:last-child{border-bottom:0}
.l-news-list a{display:flex;align-items:center;justify-content:space-between;gap:16px}
.l-news-list .l-news-t{font-size:16px;color:var(--l-ink);transition:.2s;flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.l-news-list a:hover .l-news-t{color:var(--l-primary)}
.l-news-list .l-news-d{color:var(--l-gray);font-size:13px;white-space:nowrap}
/* 首页新闻资讯栏目标题 */
.l-news-nhead{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:var(--l-ink);margin:6px 0 18px;padding-bottom:10px;border-bottom:1px solid var(--l-line)}
.l-news-nhead::before{content:'';flex:none;width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,#2563eb,#60a5fa)}
.l-news-nhead:first-child{margin-top:0}
.l-card-txt .l-news-d{margin-top:9px;font-size:12.5px;color:var(--l-gray);letter-spacing:.5px}

/* ==========================================================================
   案例
   ========================================================================== */
.l-case{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);overflow:hidden;transition:.28s;display:block}
.l-case:hover{box-shadow:0 12px 30px rgba(31,41,55,.12);transform:translateY(-4px)}
.l-case .l-case-img{aspect-ratio:16/10;overflow:hidden;background:#f1f5f9}
.l-case .l-case-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.l-case:hover .l-case-img img{transform:scale(1.06)}
.l-case .l-case-txt{padding:14px 16px}
.l-case .l-case-txt h3{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ==========================================================================
   页脚（浅色）
   ========================================================================== */
.l-footer{background:var(--l-bg-soft);border-top:1px solid var(--l-line);margin-top:0}
.l-footer-top .l-container{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.4fr;gap:30px;padding:56px 20px 40px}
.l-footer h4{font-size:16px;font-weight:700;color:var(--l-ink);margin-bottom:18px}
.l-footer-top p{color:var(--l-gray);font-size:14px;line-height:1.9}
.l-footer-top ul li{margin-bottom:10px}
.l-footer-top ul a{display:inline-block;position:relative;color:var(--l-gray);font-size:14px;transition:.25s;padding-left:0}
.l-footer-top ul a::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:0;height:2px;border-radius:2px;background:var(--l-primary);opacity:0;transition:.25s}
.l-footer-top ul a:hover{color:var(--l-primary);padding-left:13px}
.l-footer-top ul a:hover::before{width:7px;opacity:1}
.l-footer .l-contact{font-size:14px;color:var(--l-gray);line-height:2}
.l-footer .l-contact b{color:var(--l-primary);font-size:20px}
.l-footer .l-copy{border-top:1px solid var(--l-line);padding:18px 0;text-align:center;color:var(--l-gray);font-size:13px}
.l-footer .l-copy a{color:var(--l-gray)}
.l-footer .l-copy a:hover{color:var(--l-primary)}

/* ==========================================================================
   内页
   ========================================================================== */
.l-crumb{background:var(--l-primary-l);padding:14px 0;border-bottom:1px solid #dbeafe}
.l-crumb .l-container{color:var(--l-gray);font-size:14px}
.l-crumb a{color:var(--l-primary)}
.l-banner{position:relative;overflow:hidden;background:linear-gradient(120deg,#e3eefd 0%,#dbeafe 45%,#eff6ff 100%);height:200px;display:flex;align-items:center}
.l-banner::before{content:'';position:absolute;right:-60px;top:-60px;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.20),rgba(37,99,235,0) 70%)}
.l-banner::after{content:'';position:absolute;left:20%;bottom:-90px;width:210px;height:210px;border-radius:50%;background:radial-gradient(circle,rgba(96,165,250,.24),rgba(96,165,250,0) 70%)}
.l-banner .l-container{position:relative;z-index:2;width:100%;background:linear-gradient(150deg,rgba(255,255,255,.82) 0%,rgba(255,255,255,.48) 55%,rgba(255,255,255,.6) 100%);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border:1px solid rgba(255,255,255,.88);border-radius:20px;padding:28px 38px;box-shadow:0 30px 46px -14px rgba(37,99,235,.30),0 10px 22px rgba(37,99,235,.10),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.4)}
.l-banner .l-container::before{content:'';position:absolute;left:16px;right:16px;top:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95),rgba(255,255,255,0));border-radius:20px}
.l-banner h1{font-size:30px;font-weight:700;margin:0;letter-spacing:.5px;color:#0f2a4a}
.l-banner p{color:#1e40af;font-size:15px;margin-top:8px}
@media (max-width:768px){.l-banner{height:150px}.l-banner .l-container{padding:20px 20px;border-radius:14px}.l-banner h1{font-size:23px}.l-banner p{font-size:13px;margin-top:6px}}

/* 内页布局：侧栏 + 主区 */
.l-layout{display:grid;grid-template-columns:250px 1fr;gap:34px;padding:44px 0}
.l-side{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:0;overflow:hidden;align-self:start}
.l-side .l-side-tit{background:var(--l-primary);color:#fff;padding:14px 20px;font-weight:600;font-size:16px}
.l-side ul li{border-bottom:1px solid var(--l-line)}
.l-side ul li:last-child{border-bottom:0}
.l-side ul a{display:block;padding:13px 20px;color:var(--l-ink);font-size:14px;transition:.2s}
.l-side ul a:hover,.l-side ul a.active{color:var(--l-primary);background:var(--l-primary-l);border-left:3px solid var(--l-primary)}
.l-main{min-width:0}
.l-main .l-block{margin-bottom:22px}

/* 分页 */
.l-pages{text-align:center;margin:30px 0 10px}
.l-pages .page-status{display:inline-block;margin:0 14px 0 0;color:var(--l-gray);font-size:13px;vertical-align:middle}
.l-pages span{display:inline-block;margin:0 3px;vertical-align:middle}
.l-pages a{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 14px;border:1px solid var(--l-line);border-radius:8px;font-size:14px;color:var(--l-ink);background:#fff;transition:.2s}
.l-pages a:hover{border-color:var(--l-primary);color:var(--l-primary);background:var(--l-primary-l)}
.l-pages a[href="javascript:;"]{color:#cbd5e1;background:#f8fafc;cursor:not-allowed}
.l-pages .page-num-current{background:var(--l-primary);color:#fff;border-color:var(--l-primary);font-weight:600;box-shadow:0 2px 6px rgba(37,99,235,.28)}
.l-pages .page-num-current:hover{color:#fff;background:var(--l-primary)}

/* ==========================================================================
   联系我们页
   ========================================================================== */
.l-cg{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:stretch}
.l-cg-info{background:#fff;border:1px solid var(--l-line);border-radius:14px;padding:34px;display:flex;flex-direction:column}
.l-cg-info .l-sec-title{margin-top:8px}
.l-cg-info .l-sec-sub{margin-bottom:6px}
.l-cg-list{list-style:none;margin:16px 0 28px}
.l-cg-list li{display:flex;gap:16px;align-items:flex-start;padding:17px 0;border-bottom:1px dashed var(--l-line)}
.l-cg-list li:last-child{border-bottom:none}
.l-cg-ic{width:46px;height:46px;border-radius:12px;background:var(--l-primary-l);color:var(--l-primary);display:flex;align-items:center;justify-content:center;flex:none}
.l-cg-ic svg{width:22px;height:22px}
.l-cg-t b{display:block;font-size:13px;color:var(--l-gray);font-weight:500;margin-bottom:4px}
.l-cg-t em{font-style:normal;font-size:16px;font-weight:600;color:var(--l-ink);line-height:1.5}
.l-cg-info .l-btn{margin-top:auto;align-self:flex-start;text-decoration:none}
.l-cg-form{background:linear-gradient(135deg,#1e3a8a,#2563eb);border-radius:14px;padding:34px;color:#fff;box-shadow:0 14px 30px rgba(30,58,138,.18)}
.l-cg-form-head h3{font-size:22px;font-weight:700}
.l-cg-form-head p{color:#dbeafe;font-size:13px;margin-top:6px}
.l-cf{margin-top:22px}
.l-cf-row{margin-bottom:14px}
.l-cf-row label{display:block;font-size:13px;margin-bottom:6px;color:#e0edff}
.l-cf-row label span{color:#fca5a5}
.l-cf-row input,.l-cf-row textarea{width:100%;box-sizing:border-box;background:#fff;border:none;border-radius:8px;padding:11px 14px;font-size:14px;color:var(--l-ink);outline:none;transition:.2s}
.l-cf-row input:focus,.l-cf-row textarea:focus{box-shadow:0 0 0 3px rgba(255,255,255,.25)}
.l-cf-row textarea{min-height:96px;resize:vertical}
.l-cf-verify{display:flex;gap:10px;align-items:center}
.l-cf-verify input{flex:1}
.l-cf-verify img{height:42px;border-radius:8px;cursor:pointer}
.l-cf-btn{background:#fff;color:var(--l-primary);border:none;border-radius:8px;padding:12px 0;width:100%;font-size:15px;font-weight:600;cursor:pointer;transition:.25s;margin-top:4px}
.l-cf-btn:hover{background:#dbeafe}
.l-section-inner{margin-top:60px}
@media (max-width:992px){.l-cg{grid-template-columns:1fr}}

/* 内容详情 */
.l-detail{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:34px}
.l-detail .l-detail-title{font-size:26px;font-weight:700;text-align:center;margin-bottom:12px}
.l-detail .l-detail-meta{text-align:center;color:var(--l-gray);font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--l-line);margin-bottom:24px}
.l-detail .l-detail-meta span{margin:0 12px}
.l-detail .l-detail-body{font-size:15px;color:#374151;line-height:1.9}
.l-detail .l-detail-body p{margin:12px 0}
.l-detail .l-detail-body img{display:block;margin:14px auto;border-radius:8px}
.l-detail .l-detail-body h1,.l-detail .l-detail-body h2,.l-detail .l-detail-body h3{margin:18px 0 10px;font-weight:700}
.l-detail .l-detail-pn{padding-top:20px;border-top:1px solid var(--l-line);margin-top:30px;color:var(--l-gray);font-size:14px}
.l-detail .l-detail-pn a{color:var(--l-primary)}

/* 产品详情 */
.l-prod-top{display:grid;grid-template-columns:1fr 1fr;gap:34px;background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:30px}
.l-prod-top .l-prod-img{border:1px solid var(--l-line);border-radius:10px;overflow:hidden;background:#f8fafc}
.l-prod-top .l-prod-img img{width:100%}
.l-prod-info h1{font-size:24px;font-weight:700}
.l-prod-info .l-prod-list{margin-top:16px}
.l-prod-info .l-prod-list li{padding:11px 0;border-bottom:1px dashed var(--l-line);display:flex;gap:10px;font-size:14px}
.l-prod-info .l-prod-list li b{color:var(--l-primary);white-space:nowrap}
.l-prod-info .l-prod-list li span{color:#374151}
.l-prod-info .l-btn{margin-top:22px}

/* 联系/表单 */
.l-form{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:30px;max-width:620px}
.l-form .l-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.l-form label{display:block;font-size:14px;color:var(--l-ink);margin-bottom:6px}
.l-form input,.l-form textarea,.l-form select{width:100%;padding:11px 13px;border:1px solid var(--l-line);border-radius:7px;font-size:14px;color:var(--l-ink);background:#fff;margin-bottom:16px;outline:none;transition:.2s}
.l-form input:focus,.l-form textarea:focus{border-color:var(--l-primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.l-form textarea{min-height:110px;resize:vertical}
.l-contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.l-contact-card{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:26px;text-align:center}
.l-contact-card .l-ic{font-size:30px}
.l-contact-card h3{font-size:16px;font-weight:600;margin:14px 0 8px}
.l-contact-card p{color:var(--l-gray);font-size:14px;line-height:1.8}

/* ==========================================================================
   产品栏目页组件（张力/脉冲等）
   ========================================================================== */
.l-split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:36px;margin-top:44px}
.l-split-media{border:1px solid var(--l-line);border-radius:10px;overflow:hidden;background:var(--l-bg-soft)}
.l-split-media img{width:100%;aspect-ratio:16/8;object-fit:cover}
.l-split-txt .l-sec-head{margin-bottom:18px}
.l-split-txt p{color:#374151;font-size:15px;line-height:1.9;margin:12px 0}
.l-em{color:var(--l-primary);font-weight:600}
.l-split-rows{margin-top:22px}
.l-split-rows > div{padding:10px 0;border-bottom:1px dashed var(--l-line);font-size:14px;color:#374151;display:flex;align-items:center;gap:10px}
.l-tick{color:var(--l-primary);font-weight:700;font-size:13px;background:var(--l-primary-l);padding:2px 10px;border-radius:12px;white-space:nowrap}

/* 特点卡片 */
.l-feat{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:24px;transition:.25s}
.l-feat:hover{box-shadow:0 12px 28px rgba(31,41,55,.1);border-color:#c7d2fe;transform:translateY(-4px)}
.l-feat .l-feat-ic{width:42px;height:42px;border-radius:10px;background:var(--l-primary-l);color:var(--l-primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin-bottom:14px}
.l-feat h3{font-size:16px;font-weight:600;margin-bottom:8px}
.l-feat p{font-size:13px;color:var(--l-gray);line-height:1.8}

/* 技术参数表 */
.l-para{width:100%;border-collapse:collapse;margin-top:10px;background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);overflow:hidden}
.l-para tr{border-bottom:1px solid var(--l-line)}
.l-para tr:last-child{border-bottom:0}
.l-para td{padding:14px 22px;font-size:14px}
.l-para td:first-child{width:200px;background:var(--l-bg-soft);font-weight:600;color:var(--l-ink)}
.l-para td:last-child{color:#374151}

/* 场景卡片 */
.l-scene{background:#fff;border:1px solid var(--l-line);border-radius:var(--l-radius);padding:24px;transition:.25s;border-left:4px solid var(--l-primary)}
.l-scene:hover{box-shadow:0 10px 24px rgba(31,41,55,.1)}
.l-scene b{display:block;font-size:16px;font-weight:600;color:var(--l-ink);margin-bottom:6px}
.l-scene span{font-size:13px;color:var(--l-gray)}

/* 咨询 CTA */
.l-cta{background:linear-gradient(120deg,#1e3a8a,#2563eb);color:#fff;border-radius:var(--l-radius);text-align:center;padding:40px;margin:10px 0 60px}
.l-cta h3{font-size:24px;font-weight:700}
.l-cta p{color:#dbeafe;font-size:15px;margin:10px 0 22px}
.l-cta-btn{display:inline-block;background:#fff;color:var(--l-primary);padding:12px 34px;border-radius:6px;font-weight:600;font-size:15px;transition:.25s}
.l-cta-btn:hover{background:#dbeafe}

@media (max-width:992px){.l-split{grid-template-columns:1fr}}
@media (max-width:560px){.l-cta{padding:28px 18px}.l-cta h3{font-size:20px}.l-scene{padding:18px}.l-para td:first-child{width:120px;padding:12px 14px}}

/* 响应式 */
@media (max-width:992px){
  .l-grid{grid-template-columns:repeat(2,1fr)}
  .l-quick .l-container{grid-template-columns:repeat(3,1fr)}
  .l-footer-top .l-container{grid-template-columns:repeat(2,1fr)}
  .l-layout{grid-template-columns:1fr}
  .l-prod-top{grid-template-columns:1fr}
  .l-contact-box{grid-template-columns:1fr}
  .l-hero h1{font-size:28px}
  .l-form .l-row{grid-template-columns:1fr}
}
@media (max-width:560px){
  .l-grid{grid-template-columns:1fr}
  .l-section{padding:44px 0}
  .l-sec-title{font-size:24px}
}

/* ==========================================================================
   产品分类侧栏（列表页左侧）
   ========================================================================== */
.l-side-cat .l-side-tit{background:var(--l-primary);color:#fff;padding:14px 20px;font-weight:600;font-size:16px}
.l-cat{padding:12px 14px}
.l-cat .l-cat-a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;color:var(--l-ink);font-size:14px;font-weight:500;transition:.2s;cursor:pointer;user-select:none}
.l-cat .l-cat-a:hover{background:var(--l-primary-l);color:var(--l-primary)}
.l-cat .l-cat-a.on{background:var(--l-primary);color:#fff}
.l-cat .l-cat-ic{width:32px;height:32px;border-radius:7px;background:var(--l-bg-soft);display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}
.l-cat .l-cat-a.on .l-cat-ic{background:rgba(255,255,255,.22)}
.l-cat .l-cat-ic img{width:26px;height:26px;object-fit:contain}
.l-cat .l-cat-n{line-height:1.3}
.l-cat-arrow{width:0;height:0;margin-left:auto;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--l-gray);transition:.2s;flex:none}
.l-cat-a:hover .l-cat-arrow{border-top-color:var(--l-primary)}
.l-cat-a.on .l-cat-arrow{border-top-color:#fff}
.l-cat-a.open .l-cat-arrow{transform:rotate(180deg)}
.l-cat-sub{display:none;padding:6px 8px 12px;border-top:1px dashed var(--l-line);margin:6px 4px 0}
.l-cat-sub.show{display:block}
.l-cat-sub a{display:block;padding:8px 6px 8px 14px;color:var(--l-gray);font-size:13px;border-left:2px solid transparent;transition:.15s}
.l-cat-sub a:hover{color:var(--l-primary)}
.l-cat-sub a.active{color:var(--l-primary);border-left-color:var(--l-primary);font-weight:500}
.l-cat-sub .l-cat-all{margin-bottom:4px;font-weight:500;color:var(--l-ink)}

/* 方形产品图：列表卡片 + 详情大图（产品图为方形，防截断/拉伸） */
.l-card .l-card-img.l-img-sq{aspect-ratio:1/1;background:#fff}
.l-card .l-card-img.l-img-sq img{object-fit:contain;transform:none}
.l-card:hover .l-card-img.l-img-sq img{transform:none}
.l-prod-top .l-prod-img.l-img-sq{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:#fff}
.l-prod-top .l-prod-img.l-img-sq img{width:100%;height:100%;object-fit:contain}
/* ===== 立体毛玻璃图片容器（产品列表/详情/案例/方案/推荐产品）===== */
.l-card .l-card-img,
.l-prod-top .l-prod-img.l-img-sq,
.l-case .l-case-img{position:relative;background:linear-gradient(155deg,#f2f6ff 0%,#dbeafe 52%,#e9f1ff 100%);box-shadow:0 20px 36px -12px rgba(37,99,235,.25),0 6px 14px rgba(37,99,235,.10),inset 0 1px 0 rgba(255,255,255,.95)}
.l-card .l-card-img::after,
.l-prod-top .l-prod-img.l-img-sq::after,
.l-case .l-case-img::after{content:'';position:absolute;left:0;right:0;top:0;height:52%;background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0));pointer-events:none}
.l-card .l-card-img img,
.l-prod-top .l-prod-img.l-img-sq img,
.l-case .l-case-img img{position:relative;z-index:1}

/* ===== 右侧悬浮工具条（返回顶部 / 微信二维码）===== */
.l-floatbar{position:fixed;right:22px;bottom:60px;z-index:300;display:flex;flex-direction:column;gap:12px}
.l-fb-item{width:48px;height:48px;border-radius:13px;background:linear-gradient(145deg,#1d4ed8,#3b82f6);display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;box-shadow:0 10px 20px -8px rgba(37,99,235,.42),inset 0 1px 0 rgba(255,255,255,.3);position:relative;transition:.25s;border:0;text-decoration:none}
.l-fb-item svg{width:25px;height:25px;display:block}
.l-fb-item:hover{transform:translateY(-2px);box-shadow:0 14px 24px -8px rgba(37,99,235,.5)}
.l-fb-top{opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.l-fb-top.show{opacity:1;visibility:visible;transform:none}
.l-fb-wxbox{position:absolute;right:60px;bottom:-6px;width:172px;background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(240,246,255,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.85);border-radius:14px;padding:14px;box-shadow:0 16px 34px -12px rgba(37,99,235,.32);text-align:center;display:none;opacity:0;transition:.25s;z-index:2}
.l-fb-wx:hover .l-fb-wxbox{display:block;opacity:1}
.l-fb-wxbox img{width:100%;display:block;border-radius:8px;background:#fff}
.l-fb-wxbox span{display:block;margin-top:10px;font-size:13px;color:#0f2a4a;font-weight:600}
@media (max-width:900px){.l-floatbar{right:14px;bottom:50px}}

/* ===== 新闻列表（日期徽标 + 图文卡片）===== */
.l-news-list{display:flex;flex-direction:column;gap:16px}
.l-news-item{display:flex;gap:16px;align-items:stretch}
.l-news-date{position:absolute;left:0;bottom:0;z-index:2;background:linear-gradient(to top,rgba(8,20,45,.82),rgba(8,20,45,.34));color:#fff;padding:6px 12px;border-radius:0 11px 0 0;display:flex;align-items:center;gap:5px}
.l-news-date b{font-size:16px;line-height:1;font-weight:700}
.l-news-date span{font-size:11px;opacity:.92}
.l-news-card{flex:1;display:flex;gap:20px;background:linear-gradient(155deg,rgba(255,255,255,.72),rgba(240,246,255,.55));border:1px solid rgba(255,255,255,.8);border-radius:16px;padding:16px;transition:.28s;position:relative;overflow:hidden;box-shadow:0 8px 22px -12px rgba(37,99,235,.15),inset 0 1px 0 rgba(255,255,255,.9)}
.l-news-card::after{content:'';position:absolute;left:10px;right:10px;top:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.9),rgba(255,255,255,0))}
.l-news-card:hover{transform:translateY(-3px);box-shadow:0 20px 36px -12px rgba(37,99,235,.26),inset 0 1px 0 rgba(255,255,255,.9);border-color:rgba(37,99,235,.25)}
.l-news-img{width:190px;height:132px;border-radius:11px;overflow:hidden;flex:none;position:relative;background:linear-gradient(155deg,#f2f6ff,#dbeafe 52%,#e9f1ff);box-shadow:0 10px 22px -10px rgba(37,99,235,.25),inset 0 1px 0 rgba(255,255,255,.9)}
.l-news-img::after{content:'';position:absolute;left:0;right:0;top:0;height:52%;background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(255,255,255,0));pointer-events:none}
.l-news-img img{width:100%;height:100%;object-fit:cover;transition:.45s;position:relative;z-index:1}
.l-news-card:hover .l-news-img img{transform:scale(1.08)}
.l-news-txt{flex:1;display:flex;flex-direction:column;min-width:0;justify-content:center}
.l-news-txt h3{font-size:18px;font-weight:600;color:var(--l-ink);line-height:1.45;transition:.2s}
.l-news-card:hover .l-news-txt h3{color:var(--l-primary)}
.l-news-txt p{color:var(--l-gray);font-size:13.5px;line-height:1.7;margin-top:7px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.l-news-meta{margin-top:12px;display:flex;align-items:center;gap:16px;font-size:13px;color:var(--l-gray)}
.l-news-meta em{margin-left:auto;font-style:normal;color:var(--l-primary);font-weight:500;font-size:13px}
@media (max-width:768px){.l-news-item{gap:10px}.l-news-date{padding:4px 10px;gap:4px}.l-news-date b{font-size:14px}.l-news-date span{font-size:10px}.l-news-card{flex-direction:column;gap:10px}.l-news-img{width:100%;height:170px}}

/* ===== 新闻侧栏产品推荐 ===== */
.l-side-col{display:flex;flex-direction:column;gap:26px;align-self:start;min-width:0;width:250px}
.l-side-col>*{width:100%}
.l-side-rec{background:#fff;border:1px solid var(--l-line);border-radius:16px;overflow:hidden;box-shadow:0 12px 28px -16px rgba(37,99,235,.22)}
.l-side-rec .l-side-tit2{background:var(--l-primary);color:#fff;padding:14px 20px;font-weight:600;font-size:16px}
.l-side-prod li{border-bottom:1px dashed var(--l-line)}
.l-side-prod li:last-child{border-bottom:0}
.l-side-prod li a{display:flex;align-items:center;gap:10px;padding:9px 12px;color:var(--l-ink);transition:.25s;position:relative}
.l-side-prod li a::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--l-primary);border-radius:0 3px 3px 0;transition:.25s}
.l-side-prod li a:hover{color:var(--l-primary);background:linear-gradient(90deg,rgba(37,99,235,.14),rgba(37,99,235,.04));padding-left:16px}
.l-side-prod li a:hover::before{height:62%}
.l-side-prod img{width:40px;height:40px;border-radius:8px;object-fit:contain;background:#fff;flex:none;border:1px solid var(--l-line);padding:2px;transition:.25s}
.l-side-prod li a:hover img{transform:scale(1.1)}
.l-sp-txt{display:flex;flex-direction:column;min-width:0}
.l-sp-name{font-size:13px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.l-sp-cat{font-size:11px;color:var(--l-gray);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}