:root{
  --blue:#003893; --blue-deep:#002a6e; --red:#e6212a; --ink:#333; --gray:#888;
  --bg:#f7f7f7; --line:#e8e8e8; --w:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);font-size:14px;background:#fff}
a{text-decoration:none;color:inherit}
ul,li{list-style:none}
img{display:block;max-width:100%}
.footer-inner,.header-inner,.page-main>.wrap{max-width:var(--w);margin:0 auto}

/* ===== header ===== */
.site-header{background:#fff;position:relative;z-index:50}
.header-inner{max-width:1400px;margin:0 auto;padding:0 40px;height:76px;display:flex;align-items:center}
.logo-link{margin-right:60px}
.logo-img{height:44px;width:auto}
.menu{display:flex;flex:1;gap:56px}
.menu-item a{display:block;padding:26px 0;font-size:16px;color:#222;position:relative}
.menu-item.active a p::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:16px;width:24px;height:3px;background:var(--red)}
.menu-item a:hover{color:var(--blue)}
.nav-search{color:#666;cursor:pointer;display:flex;align-items:center}

/* ===== home carousel ===== */
.kv-carousel{position:relative;width:100%;overflow:hidden;height:420px}
.kv-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;background-size:cover;background-position:center}
.kv-slide.on{opacity:1}
.kv-ind{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.kv-ind span{width:28px;height:3px;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s}
.kv-ind span.on{background:#fff}

/* ===== home product fields ===== */
.sec-title{text-align:center;font-size:30px;color:#222;font-weight:700;margin:64px 0 40px}
.product-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:var(--w);margin:0 auto}
.pf-card{background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.08);transition:.35s}
.pf-card:hover{transform:translateY(-6px);box-shadow:0 8px 24px rgba(0,0,0,.14)}
.pf-card .pf-img{height:190px;background-size:cover;background-position:center}
.pf-links{padding:22px 28px;display:flex;flex-direction:column;gap:12px}
.pf-links a{font-size:15px;color:#444;position:relative;padding-left:14px}
.pf-links a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:4px;background:var(--red);border-radius:50%}
.pf-links a:hover{color:var(--blue)}

/* ===== home news ===== */
.home-news{max-width:var(--w);margin:70px auto 70px}
.news-head{display:flex;align-items:center;justify-content:space-between}
.news-head .more{color:#999;font-size:14px;cursor:pointer}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.news-card{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.07);transition:.3s;display:block}
.news-card:hover{transform:translateY(-5px);box-shadow:0 8px 22px rgba(0,0,0,.13)}
.news-card .nc-img{height:180px;background-size:cover;background-position:center}
.news-card .nc-body{padding:18px 20px 20px}
.news-card h3{font-size:16px;color:#333;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.news-card .nc-date{color:#aaa;font-size:13px;margin-top:10px}

/* ===== page banner (list/about/news)===== */
.page-banner{height:300px;background-size:cover;background-position:center;display:flex;align-items:center}
.pb-text{max-width:var(--w);margin:0 auto;width:100%;display:flex;align-items:center;gap:18px;padding:0 20px}
.pb-line{width:6px;height:74px;background:var(--red);display:inline-block}
.pb-s{color:#eee;font-size:22px;letter-spacing:2px}
.pb-b{color:#fff;font-size:40px;font-weight:700;letter-spacing:3px;margin-top:6px}

/* section */
.list-wrap{display:flex;gap:26px;max-width:var(--w);margin:44px auto 80px;padding:0 0}
.list-left{width:220px;flex-shrink:0}
.label-box{background:#fff;border:1px solid var(--line);padding:24px 22px;margin-bottom:22px}
.label-box h3{font-size:18px;color:var(--blue);margin-bottom:18px;padding-left:10px;border-left:4px solid var(--red);line-height:1.2}
.label-list li{padding:9px 10px;color:#777;cursor:pointer;font-size:14px;border-left:3px solid transparent;transition:.2s}
.label-list li:hover{color:var(--blue)}
.label-list li.active{color:#222;border-left-color:var(--red);background:#f4f7fc;font-weight:600}
.search-box{display:flex;border:1px solid #ddd}
.search-box input{border:0;outline:none;flex:1;padding:9px 12px;font-size:13px;color:#555;min-width:0}
.search-box button{border:0;background:var(--blue);color:#fff;padding:0 16px;cursor:pointer}
.prod-grid{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-item{background:#fff;border:1px solid var(--line);transition:.3s;padding-bottom:18px;display:block}
.prod-item:hover{transform:translateY(-5px);box-shadow:0 8px 22px rgba(0,0,0,.12);border-color:transparent}
.prod-item .pi-img{height:220px;padding:14px;display:flex;align-items:center;justify-content:center;background:#fff}
.prod-item .pi-img img{max-height:100%;object-fit:contain}
.pg-furnish .prod-item .pi-img{background:#f7f8fa}
.prod-item h3{text-align:center;font-size:14px;color:#333;font-weight:600;padding:6px 14px 0;line-height:1.5;min-height:48px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-item .pi-more{text-align:center;margin-top:10px;font-size:13px;color:var(--blue)}
.prod-item .pi-more:hover{text-decoration:underline}
.list-more{text-align:center;margin:40px 0 10px}
.list-more span{display:inline-block;padding:10px 46px;border:1px solid #ccc;color:#777;cursor:pointer;font-size:14px}
.list-more span:hover{border-color:var(--blue);color:var(--blue)}

/* section */
.detail-wrap{max-width:var(--w);margin:0 auto;padding:0 0 70px}
.crumbs{display:flex;justify-content:space-between;align-items:center;padding:20px 0;color:#999;font-size:14px}
.crumbs a{color:#999}
.crumbs a:hover{color:var(--blue)}
.crumbs .back{cursor:pointer;display:flex;align-items:center;gap:6px}
.detail-box{display:flex;gap:40px;background:#fff}
.db-img{flex:1.15;background:#f8f8f8;display:flex;align-items:center;justify-content:center;padding:30px;min-height:420px}
.db-img img{max-height:400px;object-fit:contain}
.db-info{flex:1;padding:34px 0}
.db-info h2{font-size:24px;color:#183887;font-weight:700;line-height:1.4}
.db-param{color:#666;margin:18px 0 6px;font-size:14px}
.db-param b{color:#444;font-weight:600}
.db-desc{color:#555;line-height:1.9;margin-top:16px;font-size:14px}
.db-cta{display:inline-block;margin-top:30px;padding:11px 44px;border:1px solid var(--red);color:var(--red);font-size:14px;cursor:pointer;transition:.25s}
.db-cta:hover{background:var(--red);color:#fff}
.describe{margin-top:46px}
.describe .title{font-size:22px;color:#222;text-align:center;margin-bottom:30px;font-weight:700}
.d-line{display:flex;margin-bottom:22px}
.d-label{width:110px;flex-shrink:0;color:#999;font-size:14px}
.d-content{flex:1;color:#444;line-height:1.9;font-size:14px;white-space:pre-line}
.d-cert{display:flex;gap:16px;flex-wrap:wrap}
.d-cert img{height:72px;border:1px solid var(--line);padding:6px;background:#fff}

/* section */
.about-block{max-width:var(--w);margin:0 auto;padding:56px 0 10px}
.about-h{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.about-h .bar{width:6px;height:30px;background:var(--red)}
.about-h h2{font-size:26px;color:#222}
.about-p{color:#555;line-height:2.0;font-size:15px}
.about-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:34px 0 10px}
.fact{background:#f6f8fc;padding:26px 20px;text-align:center}
.fact b{display:block;font-size:26px;color:var(--blue);margin-bottom:8px}
.fact span{color:#888;font-size:13px}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.photo-grid figure{position:relative;overflow:hidden}
.photo-grid img{width:100%;height:210px;object-fit:cover;transition:.4s}
.photo-grid figure:hover img{transform:scale(1.05)}
.photo-grid figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;padding:26px 14px 12px;font-size:14px}
.photo-grid .ph-wide{grid-column:span 3}
.photo-grid .ph-wide img{height:320px}

/* section */
.contact-wrap{max-width:var(--w);margin:0 auto;padding:56px 0 80px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-card{background:#f6f8fc;padding:30px 30px}
.contact-card h3{color:var(--blue);font-size:18px;margin-bottom:18px;padding-left:10px;border-left:4px solid var(--red)}
.contact-card p{color:#555;line-height:2.1}
.contact-form{background:#fff;border:1px solid var(--line);padding:30px}
.contact-form h3{color:var(--blue);font-size:18px;margin-bottom:22px;padding-left:10px;border-left:4px solid var(--red)}
.form-row{display:flex;gap:14px;margin-bottom:16px}
.form-row input,.form-row textarea{flex:1;border:1px solid #ddd;padding:11px 14px;font-size:14px;outline:none;font-family:inherit}
.form-row input:focus,.form-row textarea:focus{border-color:var(--blue)}
.form-row textarea{min-height:110px;resize:vertical}
.form-submit{background:var(--blue);color:#fff;border:0;padding:12px 52px;font-size:15px;cursor:pointer}
.form-submit:hover{background:var(--blue-deep)}

/* section */
.news-page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:var(--w);margin:44px auto 80px}
.article-wrap{max-width:860px;margin:40px auto 80px;padding:0 20px}
.article-wrap h1{font-size:26px;color:#222;line-height:1.5}
.article-meta{color:#999;font-size:13px;margin:14px 0 30px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-content{color:#444;line-height:2.1;font-size:15px}
.article-content img{max-width:100%;margin:10px auto}
.article-back{display:inline-block;margin-top:40px;color:var(--blue);cursor:pointer}

/* section */
.auth-box{max-width:920px;margin:60px auto 90px;background:#fff;border:1px solid var(--line);display:flex;overflow:hidden;box-shadow:0 6px 30px rgba(0,56,147,.06)}
.auth-side{width:360px;flex-shrink:0;background:linear-gradient(160deg,#f2f6fc,#e8eff9);padding:36px 32px;display:flex;flex-direction:column}
.as-brand img{height:40px;width:auto}
.as-brand p{color:#556;font-size:13px;margin-top:10px}
.as-list{margin:26px 0;list-style:none}
.as-list li{position:relative;padding:7px 0 7px 20px;color:#445;font-size:13.5px;line-height:1.7}
.as-list li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:8px;background:var(--red);border-radius:50%;opacity:.85}
.as-img{margin-top:auto;width:100%;height:130px;object-fit:cover;border-radius:4px}
.auth-wrap{max-width:460px;margin:60px auto 90px;background:#fff;border:1px solid var(--line);padding:40px 44px}
.auth-tabs{display:flex;margin-bottom:30px;border-bottom:2px solid var(--line)}
.auth-tabs a{flex:1;text-align:center;padding:12px 0;font-size:17px;color:#999}
.auth-tabs a.on{color:var(--blue);border-bottom:2px solid var(--blue);margin-bottom:-2px;font-weight:600}
.auth-form .form-row{flex-direction:column;gap:0}
.auth-form input{width:100%;margin-bottom:16px}
.auth-form .form-submit{width:100%;margin-top:8px}
.auth-tip{text-align:center;color:#999;font-size:13px;margin-top:18px}

/* ===== footer ===== */
.site-footer{background:#16233c;color:#c4cdd9;margin-top:80px}
.footer-top{padding:44px 0 38px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-inner{max-width:var(--w);margin:0 auto;display:flex;gap:50px;padding:0 20px}
.ft-hotline .ft-label{color:#9fb0c8;font-size:14px}
.ft-tel{font-size:28px;color:#fff;font-weight:700;margin:10px 0 6px;letter-spacing:1px}
.ft-time{color:#8ea0ba;font-size:13px}
.ft-links{margin-top:16px;display:flex;gap:22px}
.ft-links a{color:#c4cdd9;font-size:13px}
.ft-links a:hover{color:#fff}
.ft-divider{width:1px;background:rgba(255,255,255,.1)}
.ft-title{color:#fff;font-size:16px;margin-bottom:18px}
.ft-qrcodes{display:flex;gap:18px}
.ft-qr{text-align:center}
.ft-qr img{width:92px;height:92px;background:#fff;padding:4px}
.ft-qr p{font-size:12px;color:#9fb0c8;margin-top:8px}
.ft-uselinks{display:flex;flex-direction:column;gap:10px}
.ft-uselinks a{color:#c4cdd9;font-size:13px}
.ft-uselinks a:hover{color:#fff}
.footer-bottom{padding:36px 0 0}
.fb-grid{display:flex;gap:60px;flex-wrap:wrap;padding-bottom:30px}
.fb-title{color:#fff;font-size:15px;margin-bottom:16px}
.fb-grid ul li{margin-bottom:9px;font-size:13px;color:#9fb0c8}
.fb-grid ul li a{color:#9fb0c8}
.fb-grid ul li a:hover{color:#fff}
.ft-contact li{line-height:1.8}
.footer-ba{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;text-align:center;color:#7e8ea6;font-size:12px}
.footer-ba a{color:#7e8ea6;margin-right:18px}
.footer-ba a:hover{color:#fff}

/* section */
.float-tools{position:fixed;right:16px;top:42%;z-index:90;display:flex;flex-direction:column;gap:2px}
.float-tools li{width:48px;height:48px;background:#f2f3f5;color:#889;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;transition:.25s}
.float-tools li:hover{background:var(--blue);color:#fff}
.float-qr-pop{display:none;position:absolute;right:56px;top:0;background:#fff;box-shadow:0 4px 18px rgba(0,0,0,.16);padding:10px;text-align:center}
.float-qr-pop img{width:110px;height:110px}
.float-qr-pop p{font-size:12px;color:#666;margin-top:6px}
.float-tools li:hover .float-qr-pop{display:block}
.back-top{opacity:0;pointer-events:none;transition:.3s}
.back-top.show{opacity:1;pointer-events:auto}

/* section */
.rv{opacity:0;transform:translateY(26px);transition:.7s ease}
.rv.in{opacity:1;transform:none}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeInUp .8s both}

/* section */
.price-row{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-now{color:var(--red);font-weight:700}
.price-now .rmb{font-size:14px}
.price-now .num{font-size:22px;font-family:"DIN Alternate","Arial",sans-serif;letter-spacing:.5px}
.price-orig{color:#aaa;font-size:13px;text-decoration:line-through}
.price-tag{font-size:11px;color:var(--red);border:1px solid rgba(230,33,42,.4);padding:2px 7px;border-radius:2px;background:rgba(230,33,42,.05)}
.prod-item .price-row{padding:8px 14px 0;justify-content:center}
.prod-item .price-now .num{font-size:19px}
.prod-item .price-tag{display:none}
.pi-more{margin-top:6px}

/* ===== detail page commerce ===== */
.db-price{margin:18px 0 4px;padding:16px 20px;background:linear-gradient(90deg,#fdf3f3,#fff);border:1px solid #f5dcdc}
.db-price .price-now .num{font-size:32px}
.db-meta{display:flex;gap:26px;color:#888;font-size:13px;margin:14px 0 0;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.db-order{display:flex;gap:14px;margin-top:24px}
.db-cta{display:inline-block;padding:12px 40px;border:1px solid var(--red);color:var(--red);font-size:15px;cursor:pointer;transition:.25s;text-align:center}
.db-cta:hover{background:var(--red);color:#fff}
.db-buy{display:inline-block;padding:12px 40px;background:var(--red);color:#fff;font-size:15px;cursor:pointer;transition:.25s;text-align:center}
.db-buy:hover{background:#c81d25}
.db-promises{display:flex;gap:20px;margin-top:20px;color:#777;font-size:12.5px;flex-wrap:wrap}
.db-promises span{display:flex;align-items:center;gap:6px}
.db-promises svg{color:var(--blue);flex-shrink:0}

/* section */
.spec-table{width:100%;border-collapse:collapse;margin-top:8px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 14px;font-size:13.5px;text-align:left}
.spec-table th{width:150px;background:#f7f9fc;color:#666;font-weight:600}
.spec-table td{color:#444}

/* section */
.selling-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:6px 0 8px}
.sp-item{display:flex;gap:10px;align-items:flex-start;background:#f8fafd;border:1px solid #eef2f8;padding:12px 14px}
.sp-item svg{color:var(--red);flex-shrink:0;margin-top:2px}
.sp-item b{display:block;font-size:14px;color:#333;margin-bottom:3px}
.sp-item span{font-size:12.5px;color:#888;line-height:1.6}

/* section */
.svc-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.svc-item{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);padding:16px 18px}
.svc-item svg{width:34px;height:34px;color:var(--blue);flex-shrink:0}
.svc-item b{display:block;font-size:14px;color:#333}
.svc-item span{font-size:12px;color:#999}

/* section */
.relate-sec{max-width:var(--w);margin:0 auto 30px}
.relate-sec .sec-title{margin:50px 0 30px;font-size:24px}
.relate-sec .prod-grid{grid-template-columns:repeat(4,1fr)}

/* section */
.d-cert{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cert-card{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;padding:14px 16px}
.cert-card svg{width:36px;height:36px;color:var(--blue);flex-shrink:0}
.cert-card b{display:block;font-size:14px;color:#333}
.cert-card span{font-size:12px;color:#999}

/* section */
.pay-steps{display:flex;align-items:center;justify-content:center;max-width:var(--w);margin:46px auto 40px;padding:0 20px}
.pay-step{display:flex;align-items:center;gap:10px}
.pay-step .dot{width:34px;height:34px;border-radius:50%;background:#eef1f6;color:#98a4b8;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600}
.pay-step .lab{font-size:14px;color:#98a4b8}
.pay-step.on .dot{background:var(--red);color:#fff}
.pay-step.on .lab{color:#333;font-weight:600}
.pay-step.done .dot{background:var(--blue);color:#fff}
.pay-step.done .lab{color:#333}
.pay-arrow{width:70px;height:1px;background:#dfe4ec;margin:0 14px;position:relative}
.pay-arrow::after{content:"";position:absolute;right:0;top:-3px;border:4px solid transparent;border-left-color:#dfe4ec}
.pay-wrap{max-width:var(--w);margin:0 auto 80px;display:grid;grid-template-columns:1.2fr 1fr;gap:26px;padding:0 20px}
.pay-card{background:#fff;border:1px solid var(--line)}
.pay-card h3{font-size:17px;color:#333;padding:16px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.pay-card h3 svg{color:var(--red)}
.pay-card .pc-body{padding:24px}
.pay-channel{display:flex;flex-direction:column;gap:12px}
.pay-ch{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:13px 16px;cursor:pointer;transition:.2s}
.pay-ch:hover{border-color:var(--blue)}
.pay-ch svg{width:26px;height:26px;color:var(--blue)}
.pay-ch b{font-size:14px;color:#333}
.pay-ch span{font-size:12px;color:#999;margin-left:auto}
.bank-table{width:100%;border-collapse:collapse;font-size:13.5px}
.bank-table td{border:1px solid var(--line);padding:10px 14px}
.bank-table td:first-child{width:110px;background:#f7f9fc;color:#666}
.bank-note{margin-top:16px;color:#999;font-size:12.5px;line-height:1.9}
.pay-faq{margin-top:14px}
.pay-faq details{border:1px solid var(--line);margin-bottom:10px;background:#fff}
.pay-faq summary{padding:12px 16px;font-size:14px;color:#444;cursor:pointer}
.pay-faq details p{padding:0 16px 14px;color:#777;font-size:13px;line-height:1.9}

/* section */
.adv-strip{max-width:var(--w);margin:56px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);padding:22px 20px;transition:.3s}
.adv-item:hover{box-shadow:0 8px 22px rgba(0,56,147,.1);transform:translateY(-3px)}
.adv-item svg{width:38px;height:38px;color:var(--blue);flex-shrink:0}
.adv-item b{display:block;font-size:15.5px;color:#333;margin-bottom:6px}
.adv-item span{font-size:12.5px;color:#999;line-height:1.7}

/* purchase flow */
.flow-strip{max-width:var(--w);margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.flow-item{background:#fff;border:1px solid var(--line);text-align:center;padding:26px 12px;position:relative;transition:.3s}
.flow-item:hover{border-color:var(--blue)}
.flow-item .fnum{width:40px;height:40px;border-radius:50%;background:#f0f4fb;color:var(--blue);font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.flow-item b{display:block;font-size:15px;color:#333;margin-bottom:6px}
.flow-item span{font-size:12px;color:#999;line-height:1.7}
.flow-item::after{content:"›";position:absolute;right:-14px;top:50%;transform:translateY(-50%);font-size:22px;color:#c9d2e0;z-index:2}
.flow-item:last-child::after{display:none}

/* ===== list sort bar ===== */
.sort-bar{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#888;font-size:13px}
.sort-bar .s-btn{padding:6px 16px;border:1px solid var(--line);background:#fff;cursor:pointer;color:#666}
.sort-bar .s-btn.on{border-color:var(--red);color:var(--red)}
.list-count{color:#999;font-size:13px}
.list-count b{color:var(--red);font-weight:700}

/* ===== store cards ===== */
.store-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:var(--w);margin:44px auto 80px;padding:0 20px}
.store-card{background:#fff;border:1px solid var(--line);overflow:hidden}
.store-card .st-img{height:180px;background-size:cover;background-position:center}
.store-card .st-body{padding:22px 24px}
.store-card h3{font-size:17px;color:#333;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.store-card h3 .st-badge{font-size:11px;color:var(--blue);border:1px solid var(--blue);padding:1px 8px;font-weight:400}
.store-card p{color:#666;font-size:13.5px;line-height:2}
.store-card .st-tel{color:var(--blue)}
.store-note{text-align:center;color:#999;font-size:13px;margin:-30px auto 80px}

/* ===== cart page ===== */
.cart-wrap{max-width:var(--w);margin:44px auto 80px;padding:0 0}
.cart-head,.cart-row{display:grid;grid-template-columns:44px 1fr 130px 110px 150px 120px 70px;align-items:center;gap:12px}
.cart-head{background:#f7f9fc;border:1px solid var(--line);padding:14px 18px;color:#888;font-size:13px}
.cart-list{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.cart-row{background:#fff;border:1px solid var(--line);padding:16px 18px}
.cart-row .cr-check{display:flex;align-items:center}
.cart-row .cr-prod{display:flex;align-items:center;gap:12px;color:#333;font-size:14px}
.cart-row .cr-prod img{width:64px;height:64px;object-fit:contain;background:#f7f8fa;border:1px solid var(--line);padding:4px}
.cart-row .cr-spec,.cart-row .cr-price{color:#666;font-size:13.5px}
.cart-row .cr-num{display:flex;align-items:center;border:1px solid var(--line);width:120px}
.cart-row .cr-num button{width:30px;height:32px;border:0;background:#f5f6f8;cursor:pointer;font-size:15px;color:#555}
.cart-row .cr-num input{width:56px;height:32px;border:0;text-align:center;outline:none;font-size:13.5px}
.cart-row .cr-sub{color:var(--red);font-weight:700}
.cart-row .cr-op{color:#999;font-size:13px}
.cart-row .cr-op:hover{color:var(--red)}
.cart-empty{background:#fff;border:1px solid var(--line);text-align:center;padding:70px 20px;color:#888;font-size:15px}
.cart-empty .db-buy{margin-top:20px}
.cart-bar{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);padding:14px 18px;margin-top:16px}
.cart-all{display:flex;align-items:center;gap:8px;color:#666;font-size:13.5px;cursor:pointer}
.cart-total{margin-left:auto;color:#555;font-size:14px}
.cart-total .num{font-size:22px}
.cart-bar .db-buy{padding:11px 36px}

/* ===== checkout page ===== */
.checkout-wrap{max-width:860px;margin:44px auto 80px;padding:0 0}
.ck-box{background:#fff;border:1px solid var(--line);padding:26px 30px;margin-bottom:18px}
.ck-box h3{font-size:16px;color:#333;display:flex;align-items:center;gap:10px;margin-bottom:20px}
.ck-box h3 svg{color:var(--red)}
.ck-form .form-row{margin-bottom:0}
.ck-items{display:flex;flex-direction:column;gap:14px}
.ck-item{display:flex;align-items:center;gap:14px}
.ck-item img{width:60px;height:60px;object-fit:contain;background:#f7f8fa;border:1px solid var(--line);padding:4px}
.ck-item-info{flex:1}
.ck-item-info b{display:block;font-size:14px;color:#333;font-weight:600}
.ck-item-info span{color:#999;font-size:12.5px}
.ck-empty{color:#888;font-size:14px;padding:12px 0}
.ck-empty a{color:var(--blue)}
.ck-bar{display:flex;align-items:center;justify-content:flex-end;gap:26px;background:#fff;border:1px solid var(--line);padding:16px 30px}
.ck-total{color:#555;font-size:14px}
.ck-total .num{font-size:24px}

/* ===== payorder page ===== */
.payorder-wrap{max-width:860px;margin:44px auto 80px;padding:0 0}
.payorder-wrap .pay-card{margin-bottom:18px}
.payorder-no{color:#666;font-size:14px;margin-bottom:16px}
.payorder-no b{color:#333}
.payorder-total{border-top:1px dashed var(--line);margin-top:16px;padding-top:16px;color:#555;font-size:14px;text-align:right}
.payorder-total .num{font-size:26px}
.pay-btn{width:100%;margin-top:18px;padding:14px 0;font-size:16px;border:0;cursor:pointer}
.pay-btn:disabled{opacity:.6;cursor:not-allowed}
.pay-ch input[type=radio]{accent-color:var(--red)}

/* ===== pay result page ===== */
.payresult-wrap{max-width:640px;margin:44px auto 80px;padding:0 0}
.payresult-card{background:#fff;border:1px solid var(--line);text-align:center;padding:52px 36px}
.pr-icon{width:88px;height:88px;margin:0 auto 22px;border-radius:50%;background:#eefaf1;color:#2fa455;display:flex;align-items:center;justify-content:center}
.payresult-card h2{font-size:22px;color:#222;margin-bottom:10px}
.pr-sub{color:#999;font-size:14px}
.pr-info{background:#f8fafd;border:1px solid #eef2f8;margin:26px 0;padding:20px 24px;text-align:left}
.pr-info p{color:#666;font-size:13.5px;line-height:2.1}
.pr-info b{color:#333}
.pr-actions{display:flex;gap:14px;justify-content:center;margin-bottom:18px}

/* ===== doc pages (protocol/help) ===== */
.doc-wrap{max-width:860px;margin:44px auto 80px;background:#fff;border:1px solid var(--line);padding:44px 52px}
.doc-h2{font-size:17px;color:#222;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--red);line-height:1.4}
.doc-p{color:#555;font-size:14.5px;line-height:2.1;margin-bottom:10px}
.doc-p a{color:var(--blue)}
.doc-p a:hover{text-decoration:underline}
.doc-ul{margin:4px 0 14px;padding-left:0}
.doc-ul li{position:relative;padding:5px 0 5px 20px;color:#555;font-size:14px;line-height:1.9}
.doc-ul li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;background:var(--blue);border-radius:50%;opacity:.75}

/* ===== detail page cart button ===== */
.db-cart{display:inline-block;padding:12px 40px;border:1px solid var(--blue);color:var(--blue);font-size:15px;cursor:pointer;transition:.25s;text-align:center;background:#fff}
.db-cart:hover{background:var(--blue);color:#fff}
.cart-toast{position:fixed;left:50%;bottom:12%;transform:translateX(-50%);background:rgba(20,30,50,.88);color:#fff;padding:11px 26px;font-size:14px;border-radius:3px;z-index:999;transition:opacity .25s}

/* ===== mobile responsive ===== */
@media (max-width:1024px){
  .header-inner{padding:0 16px}
  .menu{gap:24px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .relate-sec .prod-grid{grid-template-columns:repeat(3,1fr)}
  .flow-strip{grid-template-columns:repeat(3,1fr);gap:12px}
  .flow-item::after{display:none}
  .adv-strip{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .product-fields{grid-template-columns:repeat(2,1fr)}
  .footer-inner{flex-wrap:wrap;gap:28px}
  .ft-divider{display:none}
  .cart-head{display:none}
  .cart-row{grid-template-columns:44px 1fr 110px 150px 70px}
  .cart-row .cr-spec{display:none}
  .doc-wrap{padding:32px 28px}
}
@media (max-width:768px){
  .header-inner{height:auto;flex-wrap:wrap;padding:10px 14px;gap:6px}
  .logo-link{margin-right:14px}
  .logo-img{height:36px}
  .menu{gap:14px;flex-wrap:wrap;order:3;width:100%}
  .menu-item a{padding:8px 0;font-size:14px}
  .menu-item.active a p::after{bottom:2px}
  .nav-search{margin-left:auto}
  .kv-carousel{height:230px}
  .sec-title{font-size:22px;margin:40px 0 24px}
  .pb-b{font-size:24px;margin-top:4px}
  .pb-s{font-size:14px}
  .page-banner{height:170px}
  .pb-line{height:44px}
  .product-fields{grid-template-columns:1fr 1fr;gap:12px;padding:0 14px}
  .pf-card .pf-img{height:130px}
  .pf-links{padding:14px 16px;gap:8px}
  .pf-links a{font-size:13px}
  .news-grid{grid-template-columns:1fr;gap:14px;padding:0 14px}
  .home-news{padding:0 14px}
  .news-card .nc-img{height:150px}
  .list-wrap{flex-direction:column;padding:0 14px;margin:24px auto 50px;gap:16px}
  .list-left{width:100%}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px;padding:0}
  .prod-item .pi-img{height:140px;padding:10px}
  .prod-item h3{font-size:13px;min-height:40px}
  .sort-bar{flex-wrap:wrap}
  .detail-wrap{padding:0 14px 40px}
  .detail-box{flex-direction:column;gap:18px;padding:16px}
  .db-img{width:100%}
  .db-info{width:100%}
  .db-price{padding:12px 14px}
  .db-price .price-now .num{font-size:26px}
  .db-meta{flex-wrap:wrap;gap:10px 18px}
  .db-order{flex-wrap:wrap;gap:10px}
  .db-buy,.db-cta,.db-cart{padding:11px 0;flex:1;min-width:120px}
  .db-promises{gap:12px}
  .spec-table th,.spec-table td{padding:8px 10px;font-size:12.5px}
  .spec-table th{width:90px}
  .selling-points{grid-template-columns:1fr}
  .svc-strip{grid-template-columns:1fr 1fr;gap:10px}
  .d-cert{grid-template-columns:1fr}
  .relate-sec .prod-grid{grid-template-columns:repeat(2,1fr);padding:0 14px}
  .relate-sec .sec-title{font-size:19px;margin:36px 0 20px}
  .pay-steps{flex-wrap:wrap;gap:8px;margin:26px auto 22px;padding:0 12px}
  .pay-step .lab{font-size:12px}
  .pay-step .dot{width:28px;height:28px;font-size:13px}
  .pay-arrow{width:26px;margin:0 6px}
  .pay-wrap{grid-template-columns:1fr;padding:0 14px;margin-bottom:44px}
  .pay-card .pc-body{padding:16px}
  .pay-ch span{display:none}
  .bank-table{font-size:12.5px}
  .bank-table td{padding:8px 10px}
  .checkout-wrap{padding:0 14px;margin:24px auto 50px}
  .ck-box{padding:18px 16px}
  .ck-bar{padding:14px 16px;gap:14px;flex-wrap:wrap}
  .payorder-wrap{padding:0 14px;margin:24px auto 50px}
  .payresult-wrap{padding:0 14px;margin:24px auto 50px}
  .payresult-card{padding:34px 20px}
  .pr-actions{flex-direction:column}
  .doc-wrap{padding:22px 16px;margin:24px auto 50px}
  .doc-p{font-size:13.5px}
  .article-wrap{padding:0 16px;margin:24px auto 50px}
  .article-wrap h1{font-size:20px}
  .contact-wrap{padding:30px 14px 50px}
  .contact-grid{grid-template-columns:1fr;gap:18px}
  .auth-box{flex-direction:column;margin:24px 14px 50px}
  .auth-side{width:100%}
  .auth-wrap{margin:24px 14px 50px;padding:28px 20px}
  .store-grid{grid-template-columns:1fr;padding:0 14px;margin:24px auto 50px}
  .store-note{margin:-6px auto 50px;padding:0 14px}
  .cart-wrap{padding:0 14px;margin:24px auto 50px}
  .cart-row{grid-template-columns:30px 1fr;grid-template-rows:auto auto auto;gap:8px;padding:12px}
  .cart-row .cr-check{grid-column:1;grid-row:1}
  .cart-row .cr-prod{grid-column:2;grid-row:1}
  .cart-row .cr-price{display:none}
  .cart-row .cr-num{grid-column:1 / 3;grid-row:2;justify-content:flex-start}
  .cart-row .cr-sub{grid-column:1;grid-row:3}
  .cart-row .cr-op{grid-column:2;grid-row:3;text-align:right}
  .cart-bar{flex-wrap:wrap;gap:12px}
  .cart-total{margin-left:0;width:100%;order:3}
  .cart-bar .db-buy{flex:1}
  .adv-strip{grid-template-columns:1fr;padding:0 14px}
  .flow-strip{grid-template-columns:repeat(2,1fr);padding:0 14px}
  .footer-top{padding:30px 0 24px}
  .footer-inner{flex-direction:column;gap:24px;padding:0 16px}
  .ft-links{flex-wrap:wrap;gap:12px 18px}
  .ft-qrcodes{gap:12px}
  .ft-qr img{width:78px;height:78px}
  .fb-grid{flex-direction:column;gap:22px;padding:0 16px 22px}
  .footer-ba{padding:12px 10px;line-height:1.8}
  .footer-ba a{display:inline-block;margin:0 8px}
  .float-tools{right:8px;top:auto;bottom:18%}
  .float-tools li{width:42px;height:42px}
  .float-qr-pop{display:none !important}
}