/*
Theme Name: 通利达官网主题
Theme URI: https://www.tldaf.com/
Author: 杭州通利达电子技术有限公司
Author URI: https://www.tldaf.com/
Description: 杭州通利达电子技术有限公司官网主题。浅色专业商务风，主色 #1a56db、深海军蓝 #0f1e3d；手机端两档断点（960px / 620px）自适应；内置产品中心、工程案例、新闻动态内容模型。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: 私有主题（版权归杭州通利达电子技术有限公司所有）
Text Domain: tonglida
*/

:root{
  --brand:#1a56db; --brand-dark:#102a5c; --navy:#0f1e3d; --accent:#0ea5e9;
  --ink:#0f172a; --muted:#5b6b82; --line:#e3e9f2; --bg:#ffffff; --soft:#f5f8fd;
  --wa:#25d366; --radius:12px; --max:1160px;
  --shadow:0 10px 30px rgba(16,42,92,.08); --shadow-lg:0 24px 60px rgba(16,42,92,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#1444b0;transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,86,219,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-line{background:#fff;color:var(--brand);border-color:#c7d7f5}
.btn-line:hover{border-color:var(--brand);background:#f2f7ff}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.sec{padding:72px 0}
.sec.soft{background:var(--soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 42px}
.sec-head h2{font-size:30px;line-height:1.35;margin-bottom:12px;letter-spacing:.01em}
.sec-head p{color:var(--muted);font-size:16px}

/* ===== 无障碍 / WP 基础 ===== */
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.screen-reader-text:focus{position:static;width:auto;height:auto;clip:auto;padding:8px 14px;background:#fff;border:1px solid var(--line);border-radius:8px}
.alignleft{float:left;margin:0 22px 14px 0}
.alignright{float:right;margin:0 0 14px 22px}
.aligncenter{margin:0 auto 14px;display:block}
.wp-caption{max-width:100%}
.wp-caption-text{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}
.entry-content img{border-radius:var(--radius)}
.entry-content p{margin-bottom:16px}
.entry-content h2{font-size:24px;margin:30px 0 14px;color:var(--navy)}
.entry-content h3{font-size:19px;margin:24px 0 12px;color:var(--navy)}
.entry-content ul,.entry-content ol{margin:0 0 16px 22px}
.entry-content a{color:var(--brand);text-decoration:underline}

/* ===== header ===== */
header.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.02em;color:var(--navy);white-space:nowrap;flex:0 0 auto}
.logo .mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;font-weight:800}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.12em}
.logo .custom-logo-link{display:flex;align-items:center}
.logo img{max-height:46px;width:auto;height:auto}
nav.main{margin-left:auto}
nav.main ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
nav.main li{position:relative}
nav.main a{display:block;padding:9px 12px;border-radius:8px;font-size:15px;font-weight:500;color:#33415c;transition:.18s;white-space:nowrap}
nav.main a:hover{background:var(--soft);color:var(--brand)}
nav.main li.current-menu-item>a,nav.main li.current_page_item>a,nav.main li.current-menu-ancestor>a{color:var(--brand);background:#eef4ff}
nav.main ul ul{display:none;position:absolute;top:100%;left:0;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:8px}
nav.main li:hover>ul{display:block}
.head-cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.head-tel{text-align:right;line-height:1.25;white-space:nowrap}
.head-tel b{display:block;font-size:18px;color:var(--brand);letter-spacing:.02em}
.head-tel span{font-size:11px;color:var(--muted)}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;color:var(--navy);font-size:19px;line-height:1;font-family:inherit}
.menu-btn:active{background:var(--soft)}

/* ===== mobile nav ===== */
.mnav{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 18px 30px rgba(16,42,92,.1)}
.mnav.open{display:block}
.mnav .wrap{padding:8px 22px 16px}
.mnav ul{list-style:none;margin:0;padding:0}
.mnav li a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:#33415c}
.mnav li:last-child a{border-bottom:none}
.mnav li.current-menu-item>a,.mnav li.current_page_item>a{color:var(--brand);font-weight:700}
.mnav .tel{margin-top:14px;border:none;border-radius:10px;background:var(--soft);color:var(--brand);font-weight:700;text-align:center}

/* ===== hero ===== */
.hero{background:linear-gradient(180deg,#ffffff 0%,var(--soft) 62%,#eaf1fd 100%);color:var(--ink);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(26,86,219,.045) 1px,transparent 1px) 0 0/64px 64px,
  linear-gradient(rgba(26,86,219,.045) 1px,transparent 1px) 0 0/64px 64px;
  mask-image:radial-gradient(70% 60% at 70% 30%,#000,transparent)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:76px;padding-bottom:76px}
.hero h1{font-size:44px;line-height:1.28;letter-spacing:.01em;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p.lead{font-size:17px;color:var(--muted);max-width:560px}
.hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.hero .badges span{font-size:13px;padding:6px 12px;border-radius:99px;background:#fff;border:1px solid var(--line);color:#33415c;box-shadow:0 1px 2px rgba(16,42,92,.04)}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:var(--shadow-lg)}
.hero .panel .ph,.hero .panel img{width:100%;height:280px;object-fit:cover;border-radius:12px}
.hero .panel .ph{background:
  repeating-linear-gradient(45deg,rgba(26,86,219,.05) 0 12px,transparent 12px 24px),
  linear-gradient(135deg,#eef4ff,#dbe8fc);display:flex;align-items:center;justify-content:center;color:#8098c4;font-size:14px;letter-spacing:.08em}

/* ===== stats ===== */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0}
.stat{padding:30px 22px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:26px;color:var(--brand);letter-spacing:.01em}
.stat span{font-size:13.5px;color:var(--muted)}

/* ===== 网格与卡片 ===== */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ff}
.card .thumb{height:172px;background:linear-gradient(135deg,#eaf1fd,#dbe8fc);display:flex;align-items:center;justify-content:center;color:#8098c4;font-size:13px;letter-spacing:.08em;border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:20px 20px 22px}
.card h3{font-size:18px;margin-bottom:8px;color:var(--navy)}
.card h3 a{color:inherit}
.card h3 a:hover{color:var(--brand)}
.card p{font-size:14px;color:var(--muted)}
.card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12px;padding:4px 10px;border-radius:99px;background:#eef4ff;color:var(--brand);font-weight:600}
.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand)}

/* ===== why ===== */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why .item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.why .ic{width:44px;height:44px;border-radius:11px;background:#eef4ff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.why h3{font-size:16.5px;margin-bottom:8px;color:var(--navy)}
.why p{font-size:14px;color:var(--muted)}

/* ===== 品牌色块 ===== */
.band{background:linear-gradient(120deg,#ffffff,#eef4ff);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:42px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;box-shadow:0 1px 3px rgba(16,42,92,.05)}
.band h2{font-size:26px;margin-bottom:12px}
.band p{color:var(--muted);font-size:15px}
.band .chip{display:inline-block;margin-top:16px;padding:8px 16px;border-radius:99px;background:#fff;border:1px solid #c7d7f5;color:var(--brand);font-weight:600;font-size:14px}
.band .ph{height:150px;border-radius:12px;background:repeating-linear-gradient(45deg,rgba(26,86,219,.05) 0 12px,transparent 12px 24px),linear-gradient(135deg,#eef4ff,#dbe8fc);display:flex;align-items:center;justify-content:center;color:#8098c4;font-size:13px}

/* ===== CTA ===== */
.cta{background:var(--brand);color:#fff;border-radius:16px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{font-size:26px;margin-bottom:8px}
.cta p{color:#dbe7fb;font-size:15px}

/* ===== 参数表 ===== */
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.spec th,table.spec td{padding:12px 16px;font-size:14px;text-align:left;border-bottom:1px solid var(--line)}
table.spec th{background:var(--soft);color:var(--navy);font-weight:700;width:34%}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:none}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tablewrap table.spec{min-width:520px}

/* ===== 产品详情 ===== */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.pd .gallery{background:linear-gradient(135deg,#eaf1fd,#dbe8fc);border:1px solid var(--line);border-radius:var(--radius);height:380px;display:flex;align-items:center;justify-content:center;color:#8098c4;font-size:14px;letter-spacing:.1em;overflow:hidden}
.pd .gallery img{width:100%;height:100%;object-fit:contain;background:#fff}
.pd h1{font-size:30px;color:var(--navy);margin-bottom:6px}
.pd .sku{color:var(--muted);font-size:14px;margin-bottom:16px}
.pd .sell{font-size:17px;color:#1f2b44;font-weight:600;margin-bottom:20px;padding-left:14px;border-left:4px solid var(--brand)}
.pd .attrs{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}
.pd .attrs div{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:13.5px}
.pd .attrs b{display:block;color:var(--brand);font-size:15px}
.pd .note{background:#fff8e8;border:1px solid #f4e2b8;color:#8a6d1a;border-radius:10px;padding:12px 16px;font-size:13.5px}

/* ===== 面包屑 ===== */
.crumb{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.crumb a{color:var(--brand)}

/* ===== 分页 ===== */
.pager{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pager .page-numbers{padding:9px 15px;border:1px solid var(--line);border-radius:8px;font-size:14px;color:#33415c;background:#fff}
.pager .page-numbers.current{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ===== 空状态 ===== */
.empty{padding:60px 0;text-align:center;color:var(--muted);font-size:15px}

/* ===== footer ===== */
footer.site{background:var(--navy);color:#b9c7de;padding:56px 0 26px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px}
footer p,footer li{font-size:14px;line-height:2}
footer ul{list-style:none;margin:0;padding:0}
footer a:hover{color:#fff}
footer .brandline{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
footer .brandline .mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;font-size:15px}
footer .icp{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8ea3c4}
footer .icp a{color:#c9d8f0;text-decoration:underline}

/* ===== 表单 ===== */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.form label{display:block;font-size:13.5px;color:#33415c;margin:14px 0 6px;font-weight:600}
.form input,.form textarea,.form select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;outline:none}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--brand)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.filters a{padding:9px 18px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:14px;color:#33415c}
.filters a.on{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ===== 响应式 ===== */
@media(max-width:1120px){
  .head-tel{display:none}
}
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:32px;padding-top:52px;padding-bottom:52px}
  .hero h1{font-size:32px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2n){border-right:none}
  .g3,.why{grid-template-columns:1fr 1fr}
  .band,.pd{grid-template-columns:1fr}
  .pd .gallery{height:260px}
  footer .cols{grid-template-columns:1fr 1fr}
  nav.main{display:none}
  .menu-btn{display:flex}
}
@media(max-width:620px){
  .wrap{padding:0 16px}
  .sec{padding:48px 0}
  .sec-head{margin-bottom:30px}
  .sec-head h2{font-size:23px}
  .hero h1{font-size:26px}
  .hero p.lead{font-size:15.5px}
  .hero .panel .ph,.hero .panel img{height:190px}
  .hero .actions{width:100%}
  .hero .actions .btn{width:100%;justify-content:center}
  .g3,.why,.g2,footer .cols{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat b{font-size:22px}
  .stat{padding:22px 14px}
  .head-tel{display:none}
  .head-cta .btn{padding:10px 14px;font-size:14px}
  .card .thumb{height:150px}
  .band,.cta{padding:26px}
  .band h2,.cta h2{font-size:21px}
  .cta{align-items:flex-start}
  .mnav .wrap{padding:6px 16px 14px}
  .filters a{padding:8px 14px;font-size:13.5px}
  footer .icp{flex-direction:column;gap:8px}
}


/* ===== hero 轮播 ===== */
.hero-carousel{position:relative;overflow:hidden;border-radius:12px}
.hero-slides{position:relative;height:280px}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .5s ease,visibility .5s ease;text-decoration:none;display:flex;align-items:center;justify-content:center;background:#fff}
.hero-slide.active{opacity:1;visibility:visible;z-index:1}
.hero-slide img{width:auto;height:auto;max-width:100%;max-height:280px;object-fit:contain;border-radius:12px;display:block}
.hero-slide-cap{position:absolute;left:12px;right:12px;bottom:12px;background:linear-gradient(180deg,transparent,rgba(16,42,92,.86));color:#fff;padding:26px 14px 12px;border-radius:10px;display:block}
.hero-slide-cap b{display:block;font-size:18px;line-height:1.3;margin-bottom:2px}
.hero-slide-cap span{font-size:13px;opacity:.85}
.hero-dots{position:absolute;bottom:16px;right:16px;display:flex;gap:6px;z-index:2}
.hero-dot{width:8px;height:8px;border-radius:99px;border:none;background:rgba(255,255,255,.5);cursor:pointer;padding:0;transition:width .3s ease,background .3s ease}
.hero-dot.active{background:#fff;width:22px}


/* ===== 产品卡片（产品中心页，参考海康 mall 风格） ===== */
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;text-decoration:none;color:inherit}
.pcard:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(16,42,92,.14);border-color:#cfe0ff}
.pcard-thumb{position:relative;height:210px;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center}
.pcard-thumb img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;transition:transform .5s ease;display:block}
.pcard:hover .pcard-thumb img{transform:scale(1.07)}
.pcard-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#8098c4;font-size:13px;letter-spacing:.08em}
.pcard-cat{position:absolute;top:12px;left:12px;background:rgba(26,86,219,.92);color:#fff;font-size:12px;padding:4px 12px;border-radius:99px;font-weight:600;letter-spacing:.02em}
.pcard-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.pcard-body h3{font-size:17px;line-height:1.45;color:var(--navy);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.pcard-model{font-size:13px;color:var(--muted);margin:0 0 16px}
.pcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:flex-end;padding-top:12px;border-top:1px solid var(--line)}
.pcard-more{font-size:14px;font-weight:600;color:var(--brand)}

/* ===== 首页产品中心分类卡：产品图完整展示 ===== */
.pcat-card .thumb{height:200px;background:#fff}
.pcat-card .thumb img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}