/*
 Theme Name:   WP工业外贸主题
 Theme URI:    http://moban.wpmbg.com/
 Description:  工业企业外贸网站，参考"防爆控制箱防爆设备带三级栏目"模板设计，产品询价弹窗、产品单页、关于我们、联系我们；响应式（PC/平板/手机）
 Author:       Custom
 Version:      2.0.0
 Text Domain:  wp-industry-child
*/

/* ============ 变量与基础 ============ */
:root{
    --primary:#ff6600;       /* 主色：橙色 */
    --primary-hover:#e05a00;
    --primary-dark:#2b1a10;  /* 深暖棕（顶部/Hero/关于区底色） */
    --accent:#ff6600;        /* 强调色：橙 */
    --dark:#1f1410;          /* 页脚深色 */
    --text:#333;
    --text-gray:#666;
    --bg-gray:#f6f1ec;
    --border:#ece4dc;
    --radius:8px;
    --shadow:0 4px 18px rgba(255,102,0,.12);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    color:var(--text);
    font-size:15px;
    line-height:1.7;
    background:#fff;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;}
ul{list-style:none;}
h1,h2,h3,h4{line-height:1.3;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--primary-dark);color:#cfe0ff;font-size:13px;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px;}
.topbar a{color:#fff;}
.topbar-contact{white-space:nowrap;}

/* ============ 头部 ============ */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;box-shadow:0 2px 8px rgba(11,31,74,.05);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;}
.brand{flex-shrink:0;}
.brand .custom-logo{max-height:56px;width:auto;}
.brand-link{display:flex;align-items:center;gap:12px;}
.brand-mark{
    width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
    box-shadow:0 4px 12px rgba(255,102,0,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text{font-size:21px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.brand-sub{font-size:11px;font-weight:500;color:#999;letter-spacing:1px;margin-top:3px;}

/* 头部电话直拨 */
.header-phone{
    display:flex;align-items:center;gap:10px;flex-shrink:0;
    padding:8px 18px 8px 10px;border:1px solid var(--border);border-radius:40px;
    transition:.2s;
}
.header-phone:hover{border-color:var(--primary);box-shadow:0 4px 14px rgba(255,102,0,.15);}
.hp-icon{
    width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.hp-text{display:flex;flex-direction:column;line-height:1.2;}
.hp-text small{font-size:11px;color:#999;}
.hp-text strong{font-size:16px;color:var(--primary);font-weight:800;letter-spacing:.5px;}

.header-search{flex:1;max-width:320px;min-width:160px;}
.search-form{display:flex;border:2px solid var(--primary);border-radius:22px;overflow:hidden;background:#fff;}
.search-field{flex:1;border:none;outline:none;padding:8px 16px;font-size:14px;color:var(--text);background:transparent;}
.search-submit{
    border:none;background:var(--primary);color:#fff;padding:8px 18px;font-size:14px;cursor:pointer;white-space:nowrap;
}
.search-submit:hover{background:var(--primary-hover);}

.main-nav{flex:1;}
.main-nav ul.menu{display:flex;justify-content:flex-end;align-items:center;gap:4px;}
.main-nav ul.menu > li{position:relative;}
.main-nav ul.menu > li > a{
    display:block;padding:10px 16px;color:var(--text);font-size:15px;font-weight:600;border-radius:6px;transition:.2s;
}
.main-nav ul.menu > li > a:hover,
.main-nav ul.menu > li.current-menu-item > a,
.main-nav ul.menu > li.current-menu-ancestor > a{color:#fff;background:var(--primary);}
.main-nav ul.menu .sub-menu{
    position:absolute;top:100%;left:0;min-width:180px;background:#fff;border:1px solid var(--border);
    border-radius:8px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:300;
}
.main-nav ul.menu li:hover > .sub-menu{opacity:1;visibility:visible;transform:translateY(0);}
.main-nav ul.menu .sub-menu a{display:block;padding:10px 16px;color:var(--text);font-size:14px;border-bottom:1px solid #f2f4f8;}
.main-nav ul.menu .sub-menu a:hover{color:var(--primary);background:var(--bg-gray);}

/* 汉堡按钮（默认隐藏） */
.nav-toggle{
    display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;
    border:none;background:var(--primary);border-radius:6px;cursor:pointer;padding:10px;flex-shrink:0;
}
.nav-toggle span{display:block;height:3px;background:#fff;border-radius:2px;transition:.25s;width:100%;}
.nav-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
    display:inline-block;padding:12px 28px;border-radius:6px;font-weight:600;font-size:15px;
    transition:.2s;text-align:center;cursor:pointer;border:none;
}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e55c00;}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.85);}
.btn-outline:hover{background:rgba(255,255,255,.15);}
.btn-outline-dark{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-outline-dark:hover{background:var(--primary);color:#fff;}
.btn-phone{display:inline-flex;align-items:center;gap:8px;background:var(--primary-dark);color:#fff;}
.btn-phone:hover{background:var(--primary);}
.btn-more{color:var(--accent);font-weight:600;font-size:14px;white-space:nowrap;}
.btn-more:hover{color:var(--primary-dark);}
.btn-more-sm{display:inline-block;margin-top:8px;font-size:13px;}

/* ============ Hero ============ */
.hero{position:relative;background:linear-gradient(135deg,var(--primary-dark),var(--primary));background-size:cover;background-position:center;color:#fff;}
.hero-overlay{background:linear-gradient(90deg,rgba(43,26,16,.85),rgba(43,26,16,.5));padding:90px 0;}
.hero-content{max-width:760px;}
.hero-kicker{letter-spacing:2px;color:#ffb380;font-size:13px;font-weight:700;text-transform:uppercase;margin-bottom:12px;}
.hero h1{font-size:42px;margin-bottom:14px;}
.hero-sub{font-size:19px;font-weight:600;color:#ffe6d6;margin-bottom:12px;}
.hero-desc{font-size:15px;color:#dfe9ff;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 区块通用 ============ */
.section{padding:56px 0;}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:26px;}
.section-title{font-size:26px;color:var(--primary-dark);font-weight:800;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:4px;width:5px;height:26px;background:var(--accent);border-radius:3px;}
.section-title span{font-size:14px;color:#aab;font-weight:600;margin-left:8px;letter-spacing:1px;text-transform:uppercase;}
.section-kicker{color:var(--accent);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-bottom:8px;}
.page-title{font-size:28px;color:var(--primary-dark);margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--border);}
.page-wrap{padding-top:34px;padding-bottom:60px;min-height:40vh;}
.narrow{max-width:860px;}

/* ============ 分类导航 ============ */
.cat-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.cat-nav a{
    display:inline-block;padding:8px 18px;border:1px solid var(--border);border-radius:20px;
    color:var(--text);font-size:14px;transition:.2s;background:#fff;
}
.cat-nav a:hover{border-color:var(--primary);color:var(--primary);}
.cat-nav a.active{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ============ 产品网格 ============ */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column;}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary);}
.card-media{aspect-ratio:1/1;overflow:hidden;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.35s;}
.product-card:hover .card-media img{transform:scale(1.06);}
.card-info{padding:16px;display:flex;flex-direction:column;flex:1;}
.card-info h3{font-size:16px;margin-bottom:6px;}
.card-info h3 a{color:var(--text);}
.card-info h3 a:hover{color:var(--primary);}
.card-model{font-size:13px;color:var(--text-gray);}
.card-info .btn-more-sm{margin-top:auto;}

/* ============ 关于我们 ============ */
.about-section{background:var(--primary-dark);color:#fff;padding:56px 0;}
.about-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.about-text{flex:1;min-width:280px;}
.about-text .section-title{color:#fff;border:none;}
.about-text .section-title::before{background:var(--accent);}
.about-desc{color:#c9d6ff;margin:0 0 22px;max-width:640px;}
.about-since{text-align:center;padding:26px 40px;border:1px solid rgba(255,255,255,.25);border-radius:12px;}
.since-en{display:block;letter-spacing:2px;font-size:13px;color:#ffb380;}
.since-num{display:block;font-size:48px;font-weight:900;color:#fff;line-height:1;}
.since-cn{display:block;font-size:13px;color:#c9d6ff;margin-top:6px;}

/* ============ 客户案例 ============ */
.case-section{background:var(--bg-gray);}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column;}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.case-media{aspect-ratio:3/2;overflow:hidden;background:var(--bg-gray);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:.35s;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-info{padding:18px;}
.case-info h3{font-size:17px;margin-bottom:8px;}
.case-info h3 a{color:var(--text);}
.case-info h3 a:hover{color:var(--primary);}
.case-info p{font-size:14px;color:var(--text-gray);}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:.25s;display:flex;flex-direction:column;}
.news-card:hover{box-shadow:var(--shadow);border-color:var(--primary);}
.news-tag{display:inline-block;background:var(--primary);color:#fff;font-size:12px;padding:2px 10px;border-radius:3px;align-self:flex-start;margin-bottom:10px;}
.news-date{display:block;color:#aab;font-size:12px;margin-bottom:8px;}
.news-card h3{font-size:16px;margin-bottom:8px;}
.news-card h3 a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{font-size:13px;color:var(--text-gray);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* 新闻列表（列表页） */
.news-list-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);}
.news-thumb{width:220px;flex-shrink:0;border-radius:8px;overflow:hidden;}
.news-thumb img{width:100%;height:140px;object-fit:cover;}
.news-body h2{font-size:20px;margin-bottom:8px;}
.news-body h2 a{color:var(--text);}
.news-body h2 a:hover{color:var(--primary);}
.news-body p{color:var(--text-gray);font-size:14px;margin:8px 0;}

/* ============ 空态提示 ============ */
.empty-tip{grid-column:1/-1;color:#999;padding:40px;text-align:center;background:var(--bg-gray);border-radius:8px;}

/* ============ 产品详情 ============ */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.pd-gallery .pd-main-img{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:12px;background:var(--bg-gray);aspect-ratio:1/1;}
.pd-gallery .pd-main-img img{width:100%;height:100%;object-fit:cover;}
.pd-thumb{width:80px;height:80px;object-fit:cover;border:1px solid var(--border);border-radius:6px;margin:0 8px 8px 0;display:inline-block;cursor:pointer;}
.pd-info .entry-title{font-size:26px;color:var(--primary-dark);margin-bottom:10px;}
.pd-model{color:var(--text-gray);margin-bottom:12px;}
.pd-model strong{color:var(--accent);}
.pd-excerpt{color:var(--text-gray);margin-bottom:16px;}
.pd-actions{display:flex;gap:14px;margin-bottom:24px;flex-wrap:wrap;}
.pd-desc{border-top:1px solid var(--border);padding-top:20px;}
.pd-desc h3{color:var(--primary-dark);margin-bottom:12px;}

/* ============ 关于页 / 联系页 ============ */
.about-page .about-desc{color:var(--text);font-size:16px;line-height:1.9;}
.entry-content{line-height:1.9;color:var(--text);}
.entry-content h2,.entry-content h3,.entry-content h4{margin:20px 0 10px;color:var(--primary-dark);}
.entry-content p{margin-bottom:14px;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.contact-info h3,.contact-form h3{color:var(--primary-dark);margin-bottom:16px;font-size:20px;}
.contact-info p{margin-bottom:12px;}
.contact-info strong{color:var(--text);}

/* ============ 分页 ============ */
.pagination{margin:36px 0 0;text-align:center;}
.pagination .page-numbers{display:inline-block;padding:9px 16px;margin:0 4px;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;transition:.2s;}
.pagination .page-numbers.current{background:var(--primary);color:#fff;border-color:var(--primary);}
.pagination .page-numbers:hover:not(.current){border-color:var(--primary);color:var(--primary);}

/* ============ 面包屑 ============ */
.breadcrumbs{font-size:13px;color:#aab;margin-bottom:18px;}
.breadcrumbs a{color:var(--text-gray);}
.breadcrumbs a:hover{color:var(--primary);}
.breadcrumbs .sep{margin:0 6px;color:#ccc;}
.breadcrumbs .current{color:var(--primary-dark);font-weight:600;}

/* ============ 单篇文章 ============ */
.single-post .entry-title{font-size:28px;color:var(--primary-dark);margin-bottom:10px;}
.entry-meta{color:#aab;font-size:13px;margin-bottom:20px;}
.entry-img{margin-bottom:20px;border-radius:8px;overflow:hidden;}

/* ============ 页脚 CTA ============ */
.footer-cta{background:var(--accent);color:#fff;}
.footer-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:34px 0;flex-wrap:wrap;}
.footer-cta h3{font-size:22px;margin-bottom:4px;}
.footer-cta p{font-size:14px;opacity:.92;}
.footer-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#c7d0e0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr 1fr;gap:30px;padding-top:46px;padding-bottom:36px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px;}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--accent);border-radius:2px;}
.footer-about p{font-size:13px;color:#9fb0c8;line-height:1.9;}
.footer-links li{margin-bottom:9px;}
.footer-links a{color:#c7d0e0;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact .footer-links li{font-size:14px;}
.footer-qr .qr-img,.footer-qr .qr-placeholder{width:110px;height:110px;object-fit:contain;border-radius:6px;background:#fff;padding:4px;margin-bottom:10px;}
.footer-qr .qr-placeholder{display:flex;align-items:center;justify-content:center;color:#999;font-size:13px;}
.footer-qr p{font-size:13px;color:#9fb0c8;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8a9bb5;}

/* ============ 右侧悬浮 ============ */
.float-service{position:fixed;right:16px;bottom:120px;display:flex;flex-direction:column;gap:10px;z-index:150;}
.float-btn{
    width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 4px 14px rgba(255,102,0,.4);transition:.2s;
}
.float-btn:hover{background:var(--accent);transform:translateY(-2px);}

/* ============ 询价弹窗 ============ */
.inquiry-modal{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgba(0,0,0,.55);}
.modal-box{background:#fff;margin:8% auto;padding:26px;border-radius:12px;width:92%;max-width:500px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.3);}
.modal-box .close{position:absolute;right:16px;top:12px;font-size:28px;font-weight:bold;cursor:pointer;color:#999;line-height:1;}
.modal-box .close:hover{color:var(--accent);}
.modal-box h3{color:var(--primary-dark);margin-bottom:12px;}
.inquiry-product-name{color:var(--accent);font-weight:600;margin-bottom:12px;}

/* ============ 响应式：平板 ============ */
@media (max-width:1100px){
    .product-grid{grid-template-columns:repeat(3,1fr);}
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:repeat(3,1fr);}
}

/* ============ 响应式：导航折叠 / 平板 ============ */
@media (max-width:992px){
    .nav-toggle{display:flex;}
    .header-inner{flex-wrap:wrap;padding-top:14px;padding-bottom:14px;row-gap:10px;align-items:center;}
    .header-search{order:3;flex-basis:100%;max-width:none;margin-top:0;}
    .main-nav{
        order:4;flex-basis:100%;display:none;border-top:1px solid var(--border);padding:10px 0;
    }
    .main-nav.open{display:block;}
    .main-nav ul.menu{flex-direction:column;align-items:stretch;}
    .main-nav ul.menu > li > a{padding:12px 8px;border-radius:6px;}
    .main-nav ul.menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:3px solid var(--primary);margin-left:8px;display:none;}
    .main-nav ul.menu li.open > .sub-menu{display:block;}
    .hero h1{font-size:32px;}
    .product-detail{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
}

/* ============ 响应式：手机 ============ */
@media (max-width:768px){
    .topbar-slogan{display:none;}
    .topbar-inner{justify-content:center;}
    .brand-text{font-size:17px;}
    .hero-overlay{padding:60px 0;}
    .hero h1{font-size:26px;}
    .hero-sub{font-size:16px;}
    .section{padding:40px 0;}
    .section-title{font-size:22px;}
    .section-head{margin-bottom:18px;}
    .product-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .news-grid{grid-template-columns:1fr;gap:16px;}
    .case-grid{grid-template-columns:1fr;gap:16px;}
    .about-wrap{flex-direction:column;text-align:center;}
    .about-text .section-title{padding-left:0;}
    .about-text .section-title::before{display:none;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding-top:36px;padding-bottom:26px;}
    .footer-cta-inner{justify-content:center;text-align:center;padding:26px 0;}
    .footer-cta-actions{justify-content:center;}
    .news-list-item{flex-direction:column;}
    .news-thumb{width:100%;}
    .news-thumb img{height:auto;}
    .float-service{right:10px;bottom:90px;}
    .float-btn{width:40px;height:40px;font-size:16px;}
    .footer-bottom-inner{justify-content:center;text-align:center;}
}

@media (max-width:400px){
    .product-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
    .footer-grid{grid-template-columns:1fr;}
}