/* ===== show_product 原第 1 个 <style> 块 ===== */
:root{--primary:#1565C0;--primary-dark:#0D47A1;--primary-light:#42A5F5;--primary-glow:rgba(21,101,192,0.4);--accent:#F57C00;--accent-dark:#E65100;--dark:#0A1628;--text:#1A1A2E;--text-light:#5A6A7A;--text-muted:#8A9AAE;--bg:#FFFFFF;--bg-gray:#F5F7FA;--border:#E0E6ED;--max-w:1680px;--nav-h:80px;--topbar-h:40px;--radius:8px;--shadow-sm:0 2px 8px rgba(10,22,40,0.06);--shadow-md:0 8px 30px rgba(10,22,40,0.1);--shadow-lg:0 20px 60px rgba(10,22,40,0.15);--ease:cubic-bezier(0.22,1,0.36,1);--ease-bounce:cubic-bezier(0.34,1.56,0.64,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}ul,ol{list-style:none}img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 40px}
.top-bar{background:linear-gradient(90deg,#E8F0FE 0%,#F0F6FF 100%);height:var(--topbar-h);display:flex;align-items:center;font-size:13px;color:var(--text-light);border-bottom:1px solid rgba(21,101,192,0.08)}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.top-bar-left{display:flex;align-items:center;gap:28px}.top-bar-item{display:flex;align-items:center;gap:6px}
.top-bar-item svg{width:14px;height:14px;fill:var(--primary)}
.top-bar-right{display:flex;align-items:center;gap:20px}
.top-bar-cert{display:flex;align-items:center;gap:6px;color:var(--primary-dark);font-weight:500}
.top-bar-cert svg{width:14px;height:14px;fill:var(--accent)}
.lang-switch{display:flex;align-items:center;gap:4px}
.lang-switch a{padding:2px 8px;border-radius:4px;transition:all .2s}
.lang-switch a.active{background:var(--primary);color:#fff}
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.header.scrolled{box-shadow:var(--shadow-md)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-img{height:44px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:0 18px;height:var(--nav-h);font-size:15px;font-weight:500;color:var(--text);transition:color .25s;position:relative}
.nav-link::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:all .3s var(--ease);transform:translateX(-50%);border-radius:3px 3px 0 0}
.nav-item:hover .nav-link,.nav-item.active .nav-link{color:var(--primary)}
.nav-item:hover .nav-link::after,.nav-item.active .nav-link::after{width:60%}
.nav-link svg{width:12px;height:12px;fill:currentColor;transition:transform .3s}
.nav-item:hover .nav-link svg{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:220px;background:#fff;border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-lg);border-top:3px solid var(--primary);opacity:0;visibility:hidden;transition:all .35s var(--ease);padding:12px 0;z-index:100}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:flex;align-items:center;gap:10px;padding:12px 24px;font-size:14px;color:var(--text);transition:all .2s;position:relative}
.dropdown a::before{content:'';width:0;height:2px;background:var(--primary);transition:width .25s;position:absolute;left:0;top:50%;transform:translateY(-50%)}
.dropdown a:hover{background:var(--bg-gray);color:var(--primary);padding-left:32px}
.dropdown a:hover::before{width:4px}
.dropdown a svg{width:16px;height:16px;fill:var(--primary-light);flex-shrink:0}
.dropdown-group-title{padding:10px 24px 6px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;border-bottom:1px solid var(--border)}
.header-right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.header-phone{display:flex;align-items:center;gap:8px}
.header-phone svg{width:20px;height:20px;fill:var(--primary)}
.header-phone-text{display:flex;flex-direction:column;line-height:1.2}
.header-phone-label{font-size:11px;color:var(--text-muted)}
.header-phone-num{font-size:17px;font-weight:700;color:var(--primary-dark)}
.btn-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;font-size:15px;font-weight:600;border-radius:50px;transition:all .3s var(--ease);box-shadow:0 4px 15px rgba(245,124,0,0.3);position:relative;overflow:hidden}
.btn-cta::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent);transition:left .5s}
.btn-cta:hover::before{left:100%}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(245,124,0,0.4)}
.btn-cta svg{width:16px;height:16px;fill:#fff}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;z-index:1001}
.menu-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s var(--ease)}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.breadcrumb-bar{background:var(--bg-gray);padding:16px 0;border-bottom:1px solid var(--border)}
.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-light);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb svg{width:12px;height:12px;fill:var(--text-muted)}
.breadcrumb span{color:var(--text)}
.product-detail{padding:60px 0}
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-bottom:60px}
.product-gallery{position:relative}
.main-img{width:100%;aspect-ratio:8/6;height:auto;border-radius:16px;overflow:hidden;position:relative;cursor:pointer;background:linear-gradient(180deg,#F4F8FC 0%,#CEDAE7 100%)}
.main-img img{width:100%;height:100%;object-fit:contain;transition:transform .6s var(--ease)}
.main-img:hover img{transform:scale(1.03)}
.main-img .zoom-hint{position:absolute;bottom:16px;right:16px;padding:8px 16px;background:rgba(10,22,40,0.7);color:#fff;border-radius:20px;font-size:12px;display:flex;align-items:center;gap:6px;backdrop-filter:blur(4px)}
.main-img .zoom-hint svg{width:14px;height:14px;fill:#fff}
.thumb-row{display:flex;gap:12px;margin-top:16px}
.thumb{width:88px;aspect-ratio:8/6;height:auto;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .3s;flex-shrink:0;background:linear-gradient(180deg,#F4F8FC 0%,#CEDAE7 100%)}
.thumb.active{border-color:var(--primary)}
.thumb img{width:100%;height:100%;object-fit:contain}
.thumb:hover{border-color:var(--primary-light)}
.product-info h1{font-size:32px;font-weight:900;color:var(--dark);margin-bottom:12px;line-height:1.3}
.product-cat{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;background:rgba(245,124,0,0.1);color:var(--accent);border-radius:20px;font-size:13px;font-weight:600;margin-bottom:16px}
.product-desc{font-size:15px;color:var(--text-light);line-height:1.9;margin-bottom:24px}
.product-specs{background:var(--bg-gray);border-radius:12px;padding:24px;margin-bottom:24px}
.spec-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:10px 0;border-bottom:1px solid var(--border)}
.spec-row:last-child{border-bottom:none}
.spec-label{font-size:14px;color:var(--text-muted);font-weight:500}
.spec-value{font-size:14px;color:var(--text);font-weight:600}
.product-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary-lg{padding:16px 40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50px;font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:10px;transition:all .3s var(--ease);box-shadow:0 6px 20px var(--primary-glow)}
.btn-primary-lg:hover{transform:translateY(-3px);box-shadow:0 12px 35px var(--primary-glow)}
.btn-primary-lg svg{width:18px;height:18px;fill:#fff}
.btn-outline-lg{padding:16px 40px;border:2px solid var(--primary);color:var(--primary);border-radius:50px;font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:10px;transition:all .3s}
.btn-outline-lg:hover{background:var(--primary);color:#fff}
.btn-outline-lg svg{width:18px;height:18px;fill:currentColor}
.product-contact{display:flex;align-items:center;gap:16px;margin-top:20px;padding:16px 20px;background:linear-gradient(135deg,rgba(21,101,192,0.05),rgba(245,124,0,0.05));border-radius:12px}
.product-contact svg{width:24px;height:24px;fill:var(--primary)}
.product-contact-text{font-size:14px;color:var(--text-light)}
.product-contact-text strong{color:var(--primary-dark);font-size:18px}
.section-block{margin-bottom:60px}
.section-title{font-size:26px;font-weight:900;color:var(--dark);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.section-title::before{content:'';width:4px;height:28px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:2px}
.detail-content{font-size:15px;color:var(--text-light);line-height:2}
.detail-content p{margin-bottom:16px}
.detail-content ul{padding-left:20px;margin-bottom:16px}
.detail-content ul li{margin-bottom:8px;list-style:disc}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.feature-card{padding:24px;background:#fff;border:1px solid var(--border);border-radius:12px;text-align:center;transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.feature-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(21,101,192,0.1),rgba(245,124,0,0.1));display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.feature-icon svg{width:26px;height:26px;fill:var(--primary)}
.feature-card h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-card p{font-size:13px;color:var(--text-muted);line-height:1.6}
.related-section{background:var(--bg-gray);padding:60px 0}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
/* 相关产品：一行横向滚动 */
.rel-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.rel-header .section-title{margin-bottom:0}
.rel-arrows{display:flex;align-items:center;gap:8px}
.rel-count{font-size:13px;color:var(--text-muted);margin-right:6px;font-variant-numeric:tabular-nums}
.rel-arrow{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;box-shadow:var(--shadow-sm);padding:0}
.rel-arrow:hover{background:var(--primary);border-color:var(--primary)}
.rel-arrow:hover svg{fill:#fff}
.rel-arrow svg{width:18px;height:18px;fill:var(--text-light);transition:fill .3s}
.rel-arrow.is-off{opacity:.3;pointer-events:none}
.related-track{display:flex;gap:24px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:6px}
.related-track::-webkit-scrollbar{display:none}
.related-track>.related-card{flex:0 0 calc((100% - 72px) / 4.2);scroll-snap-align:start}
.related-track.is-dragging{cursor:grabbing}
.related-card{background:#fff;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s;border:1px solid var(--border)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.related-track>.related-card:hover{transform:none;box-shadow:var(--shadow-md);border-color:var(--primary)}
.related-card-img{aspect-ratio:8/6;height:auto;overflow:hidden;background:linear-gradient(180deg,#F4F8FC 0%,#CEDAE7 100%)}
.related-card-img img{width:100%;height:100%;object-fit:contain;transition:transform .5s}
.related-card:hover .related-card-img img{transform:scale(1.08)}
.related-card-body{padding:16px}
.related-card-body h4{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:6px}
.related-card-body p{font-size:12px;color:var(--text-muted)}
.news-related{padding:60px 0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-card-img{aspect-ratio:8/5;height:auto;overflow:hidden;position:relative;background:var(--bg-gray)}
.news-card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-card-img img{transform:scale(1.05)}
.news-card-date{position:absolute;top:12px;left:12px;padding:4px 12px;background:rgba(10,22,40,0.8);color:#fff;font-size:12px;border-radius:4px;backdrop-filter:blur(4px)}
.news-card-body{padding:20px}
.news-card-body h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.4}
.news-card-body p{font-size:13px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.footer-new{background:#0A1628;padding:60px 0 0;color:rgba(255,255,255,0.7)}
.footer-new-grid{display:grid;grid-template-columns:1.5fr 1fr 1.5fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-new-brand p{font-size:13px;line-height:1.8;margin:16px 0 20px;color:rgba(255,255,255,0.5)}
.footer-new-social{display:flex;gap:12px}
.footer-new-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;transition:all .3s}
.footer-new-social a:hover{background:var(--primary);transform:translateY(-2px)}
.footer-new-social svg{width:16px;height:16px;fill:rgba(255,255,255,0.7)}
.footer-new-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px}
.footer-new-col ul li{margin-bottom:12px}
.footer-new-col ul li a{font-size:14px;color:rgba(255,255,255,0.5);transition:all .2s;display:inline-block}
.footer-new-col ul li a:hover{color:var(--primary-light);transform:translateX(4px)}
.footer-product-sub{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.footer-product-sub h5{font-size:13px;font-weight:600;color:var(--primary-light);margin-bottom:12px}
.footer-product-sub ul li{margin-bottom:8px}
.footer-product-sub ul li a{font-size:13px}
.footer-new-contact-item{display:flex;gap:10px;margin-bottom:16px;font-size:13px;line-height:1.6}
.footer-new-contact-item svg{width:16px;height:16px;fill:var(--primary-light);flex-shrink:0;margin-top:2px}
.footer-new-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:13px;color:rgba(255,255,255,0.4)}
.footer-new-bottom-links{display:flex;gap:20px}
.footer-new-bottom-links a{color:rgba(255,255,255,0.4);transition:color .2s}
.footer-new-bottom-links a:hover{color:var(--primary-light)}
.back-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .3s var(--ease);z-index:999;box-shadow:0 4px 20px var(--primary-glow)}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary-dark);transform:translateY(-3px)}
.back-top svg{width:20px;height:20px;fill:#fff}
.consult-modal{position:fixed;inset:0;background:rgba(10,22,40,0.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:all .3s}
.consult-modal.show{opacity:1;visibility:visible}
.consult-box{width:520px;max-width:90vw;background:#fff;border-radius:20px;overflow:hidden;transform:scale(0.9) translateY(20px);transition:all .4s var(--ease-bounce);box-shadow:var(--shadow-lg)}
.consult-modal.show .consult-box{transform:scale(1) translateY(0)}
.consult-header{padding:28px 32px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;position:relative}
.consult-header h3{font-size:22px;font-weight:900;margin-bottom:6px}
.consult-header p{font-size:14px;color:rgba(255,255,255,0.7)}
.consult-close{position:absolute;top:20px;right:20px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s}
.consult-close:hover{background:rgba(255,255,255,0.3);transform:rotate(90deg)}
.consult-close svg{width:16px;height:16px;fill:#fff}
.consult-body{padding:32px}
.consult-form-group{margin-bottom:18px}
.consult-form-group label{display:block;font-size:14px;font-weight:600;color:var(--dark);margin-bottom:8px}
.consult-form-group input,.consult-form-group textarea{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;transition:all .3s;outline:none}
.consult-form-group input:focus,.consult-form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(21,101,192,0.1)}
.consult-form-group textarea{resize:vertical;min-height:80px}
.consult-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consult-submit{width:100%;padding:14px;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;border-radius:10px;font-size:16px;font-weight:700;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px}
.consult-submit:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(245,124,0,0.4)}
.consult-submit svg{width:18px;height:18px;fill:#fff}
@media(max-width:1200px){.product-top{grid-template-columns:1fr;gap:40px}.related-grid{grid-template-columns:repeat(2,1fr)}.related-track>.related-card{flex:0 0 calc((100% - 48px) / 3.2)}.footer-new-grid{grid-template-columns:1fr 1fr;gap:30px}.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:992px){.nav{position:fixed;top:0;right:0;width:0;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:100px 30px 30px;gap:0;box-shadow:var(--shadow-lg);transition:width .4s var(--ease);overflow:hidden;visibility:hidden;z-index:1000}.nav.open{width:320px;visibility:visible}.nav-item{width:100%}.nav-link{height:50px;padding:0 16px;width:100%}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:none;display:none;padding:0 0 0 20px}.nav-item.open .dropdown{display:block}.header-phone{display:none}.header-right .btn-cta{display:none}.menu-toggle{display:flex}.news-grid{grid-template-columns:1fr}.related-track>.related-card{flex:0 0 calc((100% - 36px) / 2.2)}}
@media(max-width:600px){.container{padding:0 20px}.main-img{border-radius:12px}.product-info h1{font-size:24px}.product-actions{flex-direction:column}.btn-primary-lg,.btn-outline-lg{width:100%;justify-content:center}.related-grid{grid-template-columns:1fr}.related-track>.related-card{flex:0 0 82%}.feature-grid{grid-template-columns:1fr}.footer-new-grid{grid-template-columns:1fr}.consult-form-row{grid-template-columns:1fr}.top-bar-cert{display:none}}
/* ===== 进场动画 ===== */
.reveal-up{opacity:0;transform:translateY(40px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal-fade{opacity:0;transition:opacity .8s ease}
.reveal-scale{opacity:0;transform:scale(.9);transition:opacity .6s ease,transform .6s cubic-bezier(.16,1,.3,1)}
.reveal-up.visible,.reveal-left.visible,.reveal-right.visible,.reveal-fade.visible,.reveal-scale.visible{opacity:1;transform:none}
.stagger-1{transition-delay:.08s}.stagger-2{transition-delay:.16s}.stagger-3{transition-delay:.24s}.stagger-4{transition-delay:.32s}.stagger-5{transition-delay:.4s}.stagger-6{transition-delay:.48s}
@media(prefers-reduced-motion:reduce){.reveal-up,.reveal-left,.reveal-right,.reveal-fade,.reveal-scale{opacity:1!important;transform:none!important;transition:none!important}}
/* 页面Banner */
.page-hero{position:relative;height:320px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,#0A1628 0%,#112240 50%,#0D47A1 100%)}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,22,40,0.85) 0%,rgba(17,34,64,0.7) 50%,rgba(13,71,161,0.6) 100%);z-index:1}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;animation:heroZoom 20s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.1)}}
.page-hero::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);background-size:50px 50px}
.page-hero .container{position:relative;z-index:2;text-align:center}
.page-hero-title{font-size:44px;font-weight:900;color:#fff;margin-bottom:12px;animation:fadeUp .8s var(--ease)}
.page-hero-sub{font-size:16px;color:rgba(255,255,255,0.7);max-width:600px;animation:fadeUp .8s .15s var(--ease) both}
.breadcrumb-bar{background:rgba(10,22,40,0.6);backdrop-filter:blur(8px);padding:12px 0;position:relative;z-index:3;margin-top:-1px}
.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:rgba(255,255,255,0.5)}
.breadcrumb a{color:rgba(255,255,255,0.7);transition:color .2s}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb svg{width:12px;height:12px;fill:rgba(255,255,255,0.4)}
.breadcrumb span{color:rgba(255,255,255,0.9)}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:600px){.page-hero{height:260px}.page-hero-title{font-size:28px}}

.footer-new .logo-img{filter:brightness(0) invert(1);opacity:0.9}

/* ===== show_product 原第 2 个 <style> 块 ===== */
/* ===== PB 补丁（勿删） ===== */
.product-info h1{font-size:32px;font-weight:900;color:var(--dark);margin-bottom:12px;line-height:1.3}
.detail-content img{max-width:100%;height:auto;border-radius:8px}
.detail-content h3{font-size:19px;font-weight:800;color:var(--dark);margin:26px 0 12px}
.detail-content h2{font-size:22px;font-weight:900;color:var(--dark);margin:30px 0 14px}
.detail-content p{font-size:15px;color:var(--text-light);line-height:2;margin-bottom:16px}
.detail-content ul{padding-left:22px;margin-bottom:18px}
.detail-content ul li{margin-bottom:8px;list-style:disc;font-size:15px;color:var(--text-light);line-height:1.9}
.detail-content strong{color:var(--text);font-weight:700}
.spec-row{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:start}
.thumb-row .thumb{cursor:pointer}
.product-card-tags:empty{display:none}