/* ==========================================================================
   腾昕新能源官网 -「储能产品」三级菜单 + 产品目录页样式
   配合 includes/product-menu.php 使用（全站 header 与 energy-storage.php）
   ========================================================================== */

/* ---------- 顶部一级导航：中文标签（如「储能产品」）不换行 ---------- */
.headerpa .pcnav .list > a{white-space:nowrap;}

/* ---------- 桌面端三级 mega 菜单 ---------- */
.pcnav .erlibg.nntx-mega{min-width:250px;}
.pcnav .erlibg.nntx-mega .nntx-cat{position:relative;}
.pcnav .erlibg.nntx-mega .nntx-cat > a{display:flex;align-items:center;justify-content:space-between;}
.pcnav .erlibg.nntx-mega .nntx-cat > a span{font-weight:700;white-space:nowrap;}
.pcnav .erlibg.nntx-mega .nntx-cat > a.on span{color:#0a5cd8;}
.pcnav .erlibg.nntx-mega .nntx-cat:hover > a span{color:#FFB409;}
.pcnav .erlibg.nntx-mega .nntx-arw{flex:none;width:0;height:0;margin-left:14px;border:5px solid transparent;border-left-color:#b6bfcc;}
.pcnav .erlibg.nntx-mega .nntx-cat:hover > a .nntx-arw{border-left-color:#FFB409;}
.pcnav .erlibg.nntx-mega .nntx-sub{position:absolute;left:100%;top:-1px;display:none;min-width:320px;padding:0 0 10px;background:#fff;box-shadow:0 0 15px rgba(0,0,0,.3);z-index:20;}
.pcnav .erlibg.nntx-mega .nntx-cat:hover .nntx-sub{display:block;}
.pcnav .erlibg.nntx-mega .anli a.bos{border-bottom:1px solid #edf1f6;}
.pcnav .erlibg.nntx-mega .anli > .nntx-cat:last-child > a.bos{border-bottom:0;}
.pcnav .erlibg.nntx-mega .nntx-sub a.bos:last-child{border-bottom:0;}
.pcnav .erlibg.nntx-mega .nntx-sub a.bos span{white-space:nowrap;}

/* ---------- 移动端三级折叠菜单 ---------- */
.wap_bg .nntx-merlilst{position:relative;}
.wap_bg .navli .lilst .ernav a.nntx-merans{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #F1F1F1;font-size:14px;font-weight:600;padding:12px 0;color:#000;}
.wap_bg .navli .lilst .ernav a.nntx-merans.on2{color:#FFB409;}
.wap_bg .nntx-mernav2{display:none;}
.wap_bg .navli .lilst .ernav .nntx-mernav2 a{padding:10px 0 10px 14px;color:#333;font-size:13px;line-height:1.5;}

/* ---------- 移动端抽屉可用性优化（2026-10-22）----------
   1) 抽屉由 70% 加宽到 84%（小屏上内容不再挤在屏幕右缘）；
   2) 曲面屏/刘海屏：safe-area-inset 让内容与关闭按钮离开弯曲触控区；
   3) 关闭按钮、菜单行加大触控热区（≥44px）。 */
@media screen and (max-width:768px){
    .wap_bg{width:84%;}
    .wap_bg .times{padding:10px calc(12px + env(safe-area-inset-right, 0px)) 0 12px;font-size:24px;}
    .wap_bg .times i{display:inline-block;padding:8px;margin:-8px;cursor:pointer;} /* 扩大点击热区 */
    .wap_bg .tounav{padding:12px calc(15px + env(safe-area-inset-right, 0px)) 20px calc(15px + env(safe-area-inset-left, 0px));}
    .wap_bg .navli .lilst .yinav{padding:14px 0;}
    .wap_bg .navli .lilst .ernav .nntx-mernav2 a{padding:10px 0 10px 14px;}
}

/* ==========================================================================
   「储能产品」栏目页 / 产品目录（energy-storage.php）
   ========================================================================== */
.es-page{padding-bottom:60px;}
.es-hero{background:linear-gradient(135deg,#0a5cd8 0%,#0b3f96 100%);color:#fff;padding:56px 0 48px;text-align:center;}
.es-hero h1{font-size:34px;font-weight:700;margin:0 0 12px;color:#fff;}
.es-hero p{font-size:16px;line-height:1.7;color:rgba(255,255,255,.88);margin:0 auto;max-width:760px;}
.es-hero .es-hero-meta{margin-top:18px;font-size:14px;color:rgba(255,255,255,.75);}

/* 分类快速跳转 */
.es-jump{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:22px 0 6px;}
.es-jump a{display:inline-block;padding:8px 18px;border:1px solid #d3e2f7;border-radius:22px;color:#0a5cd8;font-size:14px;background:#f5f9ff;transition:.2s;}
.es-jump a:hover{background:#0a5cd8;color:#fff;border-color:#0a5cd8;}

/* 分类区块 */
.es-cat{padding:34px 0 6px;}
.es-cat-head{border-left:4px solid #0a5cd8;padding-left:14px;margin-bottom:18px;}
.es-cat-head h2{font-size:24px;color:#0a5cd8;font-weight:700;margin:0 0 6px;}
.es-cat-head p{font-size:14px;color:#666;margin:0;line-height:1.6;}

/* 产品卡片网格 */
.es-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}
.es-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e3ecf7;border-radius:6px;overflow:hidden;transition:.25s;text-decoration:none;}
.es-card:hover{box-shadow:0 8px 24px rgba(10,92,216,.16);transform:translateY(-3px);border-color:#bcd5f5;}
.es-card .es-thumb{display:flex;align-items:center;justify-content:center;height:210px;background:#f6f9fd;padding:14px;box-sizing:border-box;}
.es-card .es-thumb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.es-card .es-info{padding:16px 18px 18px;}
.es-card .es-name{font-size:15px;font-weight:700;color:#12335f;line-height:1.45;margin-bottom:8px;min-height:44px;}
.es-card .es-spec{display:inline-block;font-size:12px;color:#0a5cd8;background:#eef4ff;border-radius:12px;padding:4px 12px;margin-bottom:10px;}
.es-card .es-more{font-size:13px;color:#FFB409;font-weight:700;}
.es-card:hover .es-more{text-decoration:underline;}

/* 栏目页底部 CTA */
.es-cta{margin-top:40px;background:#eef4ff;border:1px solid #cfe0ff;border-radius:6px;padding:24px 26px;text-align:center;}
.es-cta p{margin:0 0 14px;color:#333;font-size:15px;}
.es-cta a{display:inline-block;padding:10px 26px;background:#0a5cd8;color:#fff;border-radius:24px;font-size:15px;}
.es-cta a:hover{background:#0b3f96;}

@media screen and (max-width:768px){
    .es-hero{padding:34px 16px 30px;}
    .es-hero h1{font-size:24px;}
    .es-hero p{font-size:14px;}
    .es-cat-head h2{font-size:20px;}
    .es-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;}
    .es-card .es-thumb{height:170px;}
}