:root{
  --primary:#0A2540;--primary-light:#1a3a5c;--accent:#FF6B35;--accent-hover:#e55a2b;
  --bg:#ffffff;--bg-gray:#f5f7fa;--bg-dark:#0d1b2a;--text:#1a202c;--text-light:#6b7280;
  --border:#e4e7eb;--white:#fff;--shadow:0 4px 20px rgba(10,37,64,.1);--radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.top-bar{background:var(--primary);color:var(--white);font-size:13px;padding:6px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar a{color:var(--white);opacity:.85;transition:opacity .2s}
.top-bar a:hover{opacity:1;color:var(--accent)}
.top-social{display:flex;gap:14px;align-items:center}
.top-social svg{width:16px;height:16px;fill:currentColor}

header.main-header{background:var(--white);box-shadow:0 2px 10px rgba(0,0,0,.06);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.logo svg{height:44px;width:auto;display:block}
.logo-v1-wrap{line-height:1.1;flex-shrink:0;overflow:visible}
.logo-v1-main{font-family:'Arial Black','Arial Bold',Arial,Helvetica,sans-serif;font-size:22px;font-weight:900;color:var(--primary);letter-spacing:.5px;position:relative;white-space:nowrap;line-height:1.2;overflow:visible}
.logo-v1-main .dot-c{position:relative;display:inline-block;line-height:1.2;vertical-align:baseline}
.logo-v1-main .dot-c .dot{position:absolute;top:-7px;left:2px;width:9px;height:9px;background:#FF6B35;border-radius:50%;display:block;z-index:10;overflow:visible}
.logo-v1-main .arc-y{position:relative;display:inline-block;line-height:1.2;vertical-align:baseline}
.logo-v1-main .arc-y .arc{position:absolute;top:-9px;left:-2px;width:15px;height:11px;background:#FF6B35;border-radius:8px 8px 0 0;display:block;z-index:10;overflow:visible}
.logo-v1-sub{font-size:8.5px;color:var(--text-light);letter-spacing:1.2px;margin-top:2px;font-weight:700;white-space:nowrap;line-height:1.2}
.logo-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-icon svg{width:100%;height:100%}
.logo-text{line-height:1.2}
.logo-text .cn{font-size:16px;font-weight:700;color:var(--primary)}
.logo-text .en{font-size:11px;color:var(--text-light);letter-spacing:.3px}
nav.main-nav{display:flex;align-items:center;gap:4px}
nav.main-nav a{padding:8px 14px;font-size:14px;font-weight:500;color:var(--text);border-radius:6px;transition:all .2s;white-space:nowrap}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--accent);background:rgba(255,107,53,.08)}
.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang-select{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--border);border-radius:6px;background:var(--white);cursor:pointer;font-size:13px;color:var(--text);transition:all .2s}
.lang-btn:hover{border-color:var(--accent);color:var(--accent)}
.lang-btn svg{width:14px;height:14px}
.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:var(--white);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);min-width:160px;z-index:100;display:none;overflow:hidden}
.lang-dropdown.show{display:block}
.lang-dropdown a{display:block;padding:10px 16px;font-size:13px;color:var(--text);transition:all .15s}
.lang-dropdown a:hover{background:var(--bg-gray);color:var(--accent)}
.lang-dropdown a.active{color:var(--accent);font-weight:600;background:rgba(255,107,53,.06)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--primary);margin:5px 0;transition:all .3s}

/* ===== Hero Slider ===== */
.hero{position:relative;overflow:hidden;background:var(--primary)}
.slider{position:relative;height:520px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;display:flex;align-items:center}
.slide.active{opacity:1}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,37,64,.85) 0%,rgba(10,37,64,.5) 60%,rgba(10,37,64,.2) 100%)}
.slide-content{position:relative;z-index:2;max-width:640px;color:var(--white)}
.slide-content .tag{display:inline-block;padding:5px 14px;background:var(--accent);border-radius:4px;font-size:13px;font-weight:600;margin-bottom:18px;letter-spacing:.5px}
.slide-content h1{font-size:42px;font-weight:800;line-height:1.2;margin-bottom:16px}
.slide-content p{font-size:17px;opacity:.9;margin-bottom:28px;line-height:1.7}
.slide-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .25s;text-align:center}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,53,.35)}
.btn-outline{background:transparent;color:var(--white);border:2px solid var(--white)}
.btn-outline:hover{background:var(--white);color:var(--primary)}
.btn-dark{background:var(--primary);color:var(--white)}
.btn-dark:hover{background:var(--primary-light)}
.slider-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.slider-dots button{width:36px;height:4px;border:none;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s;border-radius:2px}
.slider-dots button.active{background:var(--accent);width:48px}

/* ===== Sections ===== */
section{padding:70px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header .eyebrow{color:var(--accent);font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.section-header h2{font-size:34px;font-weight:800;color:var(--primary);margin-bottom:14px}
.section-header p{color:var(--text-light);font-size:16px;max-width:640px;margin:0 auto}
.bg-gray{background:var(--bg-gray)}
.bg-dark{background:var(--bg-dark);color:var(--white)}
.bg-dark .section-header h2{color:var(--white)}
.bg-dark .section-header p{color:rgba(255,255,255,.7)}

/* ===== Page Header ===== */
.page-header{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);padding:60px 0;text-align:center}
.page-header h1{font-size:36px;font-weight:800;margin-bottom:10px}
.page-header .breadcrumb{font-size:14px;opacity:.8}
.page-header .breadcrumb a{color:var(--accent)}

/* ===== Advantages ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-card{background:var(--white);padding:32px 26px;border-radius:var(--radius);border:1px solid var(--border);transition:all .3s;text-align:center}
.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--accent)}
.adv-icon{width:60px;height:60px;margin:0 auto 18px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:12px;display:flex;align-items:center;justify-content:center}
.adv-icon svg{width:28px;height:28px;fill:var(--accent)}
.adv-card h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:10px}
.adv-card p{font-size:14px;color:var(--text-light);line-height:1.6}

/* ===== Categories ===== */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;height:200px;display:flex;align-items:flex-end}
.cat-card .cat-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s}
.cat-card:hover .cat-bg{transform:scale(1.08)}
.cat-card .cat-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,37,64,.9) 0%,rgba(10,37,64,.3) 60%,transparent 100%)}
.cat-card .cat-info{position:relative;z-index:2;padding:20px;color:var(--white);width:100%}
.cat-card .cat-info h3{font-size:16px;font-weight:700;margin-bottom:4px}
.cat-card .cat-info p{font-size:12px;opacity:.8}

/* ===== Products ===== */
.product-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;justify-content:center}
.filter-btn{padding:8px 20px;border:1px solid var(--border);border-radius:20px;background:var(--white);cursor:pointer;font-size:14px;color:var(--text);transition:all .2s}
.filter-btn:hover,.filter-btn.active{background:var(--primary);color:var(--white);border-color:var(--primary)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product-img{height:200px;min-height:200px;overflow:hidden;background:var(--bg-gray);position:relative;display:block}
.product-img img{width:100%;height:100%;min-height:200px;object-fit:cover;-o-object-fit:cover;display:block;transition:transform .4s}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-badge{position:absolute;top:10px;left:10px;background:var(--accent);color:var(--white);font-size:11px;font-weight:700;padding:4px 10px;border-radius:4px}
.product-body{padding:18px;flex:1;display:flex;flex-direction:column}
.product-cat{font-size:12px;color:var(--accent);font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.product-body h3{font-size:17px;font-weight:800;color:var(--primary);margin-bottom:8px;line-height:1.4;min-height:24px}
.product-desc{font-size:13px;color:var(--text-light);margin-bottom:14px;flex:1;line-height:1.5}
.product-actions{display:flex;gap:8px}
.product-actions .btn{flex:1;padding:9px 12px;font-size:13px;justify-content:center}

/* ===== Product Detail ===== */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;background:linear-gradient(135deg,#0A2540 0%,#143252 100%);padding:44px;border-radius:14px;box-shadow:0 10px 40px rgba(10,37,64,.25)}
.product-gallery .main-img{border-radius:var(--radius);overflow:hidden;margin-bottom:16px;background:var(--bg-gray)}
.product-gallery .main-img img{width:100%;height:420px;object-fit:cover}
.thumb-row{display:flex;gap:10px}
.thumb-row .thumb{width:80px;height:80px;border-radius:6px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .2s}
.thumb-row .thumb.active,.thumb-row .thumb:hover{border-color:var(--accent)}
.thumb-row .thumb img{width:100%;height:100%;object-fit:cover}
.product-info h1{font-size:28px;font-weight:800;color:var(--white);margin-bottom:12px}
.product-info .product-cat{font-size:14px;margin-bottom:16px;color:var(--accent);font-weight:600}
.product-info > p{color:var(--accent) !important;line-height:1.8;margin:16px 0;font-weight:500}
.product-specs{background:transparent;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:24px;margin:24px 0}
.product-specs h3{font-size:16px;font-weight:700;color:var(--white);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.spec-row{display:grid;grid-template-columns:175px 1fr;gap:16px;padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px;border-radius:6px;align-items:center}
.spec-row:nth-child(even){background:rgba(255,255,255,.045)}
.spec-row:last-child{border-bottom:none}
.spec-row .label{color:rgba(255,255,255,.92);font-weight:600;font-size:13.5px}
.spec-row .value{color:var(--accent);font-weight:700}
.cert-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.cert-tag{padding:6px 14px;background:var(--primary);color:var(--white);border-radius:4px;font-size:12px;font-weight:600}
.detail-actions{display:flex;gap:14px;margin-top:24px;flex-wrap:wrap}
.detail-actions .btn{flex:1;min-width:160px;justify-content:center;padding:14px 24px;font-size:15px}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-img{height:220px;min-height:220px;overflow:hidden;position:relative;display:block}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-region{position:absolute;top:12px;right:12px;background:rgba(10,37,64,.85);color:var(--white);padding:5px 12px;border-radius:4px;font-size:12px;font-weight:600}
.case-body{padding:22px}
.case-body h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:10px}
.case-body p{font-size:14px;color:var(--text-light);margin-bottom:14px;line-height:1.6}
.case-meta{display:flex;gap:16px;font-size:12px;color:var(--text-light)}
.case-meta span{display:flex;align-items:center;gap:5px}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s;cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-img{height:180px;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:48px;font-weight:800}
.news-body{padding:22px}
.news-date{font-size:12px;color:var(--accent);font-weight:600;margin-bottom:8px}
.news-body h3{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.4}
.news-body p{font-size:13px;color:var(--text-light);line-height:1.6}

/* ===== Factory ===== */
.factory-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.factory-imgs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.factory-imgs img{border-radius:var(--radius);width:100%;height:220px;object-fit:cover}
.factory-imgs img:first-child{grid-column:span 2;height:280px}
.factory-text h2{font-size:30px;font-weight:800;color:var(--primary);margin-bottom:20px}
.factory-text p{color:var(--text-light);margin-bottom:16px;line-height:1.8}
.factory-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.factory-stat{text-align:center;padding:20px 10px;background:var(--bg-gray);border-radius:var(--radius)}
.factory-stat .num{font-size:32px;font-weight:800;color:var(--accent)}
.factory-stat .label{font-size:13px;color:var(--text-light);margin-top:4px}

/* ===== About ===== */
.about-hero{text-align:center;max-width:800px;margin:0 auto 50px}
.about-hero h1{font-size:36px;font-weight:800;color:var(--primary);margin-bottom:18px}
.about-hero p{font-size:17px;color:var(--text-light);line-height:1.8}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-bottom:60px}
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img img{width:100%;height:400px;object-fit:cover}
.about-text h2{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:18px}
.about-text p{color:var(--text-light);margin-bottom:14px;line-height:1.8}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.cert-card{text-align:center;padding:30px 20px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border)}
.cert-card .cert-icon{font-size:36px;font-weight:800;color:var(--accent);margin-bottom:10px}
.cert-card h4{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:6px}
.cert-card p{font-size:12px;color:var(--text-light)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px}
.contact-info h2{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:20px}
.contact-info p{color:var(--text-light);margin-bottom:30px;line-height:1.8}
.contact-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.contact-icon{width:48px;height:48px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-icon svg{width:22px;height:22px;fill:var(--accent)}
.contact-item h4{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:4px}
.contact-item p{font-size:14px;color:var(--text-light);margin:0;line-height:1.5}
.contact-social{display:flex;gap:12px;margin-top:30px}
.contact-social a{width:44px;height:44px;border-radius:10px;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;transition:all .25s}
.contact-social a:hover{background:var(--accent);transform:translateY(-3px)}
.contact-social a:hover svg{fill:var(--white)}
.contact-social svg{width:20px;height:20px;fill:var(--primary);transition:fill .25s}

.quote-form{background:var(--white);padding:36px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}
.quote-form h3{font-size:22px;font-weight:800;color:var(--primary);margin-bottom:8px}
.quote-form .sub{color:var(--text-light);font-size:14px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group label .req{color:var(--accent)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;transition:all .2s;background:var(--white)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,107,53,.12)}
.form-group textarea{resize:vertical;min-height:100px}
.quote-form .btn{width:100%;justify-content:center;padding:14px;font-size:16px}

/* ===== Modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(10,37,64,.85);z-index:9999;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-overlay.show{display:flex;animation:fadeIn .3s ease}
.modal{background:var(--white);border-radius:12px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:modalIn .35s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:rgba(10,37,64,.1);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10;transition:all .2s}
.modal-close:hover{background:var(--accent);color:var(--white)}
.modal-close svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none}
.modal-img{width:100%;height:320px;object-fit:cover;border-radius:12px 12px 0 0}
.modal-body{padding:32px}
.modal-tag{display:inline-block;padding:5px 14px;background:var(--accent);color:var(--white);border-radius:4px;font-size:12px;font-weight:600;margin-bottom:14px}
.modal-body h2{font-size:26px;font-weight:800;color:var(--primary);margin-bottom:16px;line-height:1.3}
.modal-body p{color:var(--text-light);line-height:1.8;margin-bottom:16px;font-size:15px}
.modal-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;padding:20px;background:var(--bg-gray);border-radius:8px}
.modal-meta-item .label{font-size:12px;color:var(--text-light);margin-bottom:4px}
.modal-meta-item .value{font-size:16px;font-weight:700;color:var(--primary)}
.modal-cta{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.modal-cta .btn{flex:1;min-width:160px;justify-content:center}

/* ===== Footer ===== */
footer{background:var(--bg-dark);color:rgba(255,255,255,.8);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.footer-logo .logo-icon{width:38px;height:38px}
.footer-logo .logo-v1-main{color:var(--white)}
.footer-logo .logo-v1-sub{color:rgba(255,255,255,.6)}
.footer-logo-text{line-height:1.2}
.footer-logo-text .cn{font-size:14px;font-weight:700;color:var(--white)}
.footer-logo-text .en{font-size:10px;color:rgba(255,255,255,.6);letter-spacing:.3px}
.footer-col h4{color:var(--white);font-size:16px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent);border-radius:2px}
.footer-col p{font-size:13px;line-height:1.8;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:rgba(255,255,255,.7);transition:color .2s;display:flex;align-items:center;gap:6px}
.footer-col ul li a::before{content:'';width:5px;height:5px;background:var(--accent);border-radius:50%;flex-shrink:0}
.footer-col ul li a:hover{color:var(--accent)}
.footer-contact-item{display:flex;gap:10px;margin-bottom:14px;font-size:13px;align-items:flex-start}
.footer-contact-item svg{width:16px;height:16px;fill:var(--accent);flex-shrink:0;margin-top:2px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:8px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:all .25s}
.footer-social a:hover{background:var(--accent);transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px;fill:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:var(--accent)}

/* ===== Cookie Banner ===== */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--primary);color:var(--white);padding:18px 24px;z-index:10000;display:none;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;box-shadow:0 -4px 20px rgba(0,0,0,.2)}
.cookie-banner.show{display:flex}
.cookie-banner p{font-size:13px;line-height:1.6;flex:1;min-width:280px}
.cookie-banner a{color:var(--accent);text-decoration:underline}
.cookie-banner .cookie-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-banner .btn{padding:8px 20px;font-size:13px}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ===== Utility ===== */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.text-center{text-align:center}
.mt-40{margin-top:40px}
.whatsapp-cta{display:inline-flex;align-items:center;gap:8px;background:#25D366;color:var(--white);padding:12px 24px;border-radius:6px;font-weight:600;font-size:14px;transition:all .25s}
.whatsapp-cta:hover{background:#1da851;transform:translateY(-2px)}
.whatsapp-cta svg{width:18px;height:18px;fill:var(--white)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .case-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  section{padding:50px 0}
  .slider{height:420px}
  .slide-content h1{font-size:28px}
  .slide-content p{font-size:15px}
  .section-header h2{font-size:26px}
  .adv-grid{grid-template-columns:1fr 1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:1fr 1fr}
  .case-grid,.news-grid{grid-template-columns:1fr}
  .product-detail,.factory-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .product-detail{padding:24px 18px;gap:30px}
  .spec-row{grid-template-columns:120px 1fr;padding:9px 10px;gap:10px;font-size:13px}
  .product-info h1{font-size:22px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .factory-stats{grid-template-columns:repeat(3,1fr)}
  nav.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:16px;box-shadow:var(--shadow);gap:0}
  nav.main-nav.open{display:flex}
  nav.main-nav a{padding:12px 16px;border-bottom:1px solid var(--border);border-radius:0}
  .mobile-toggle{display:block}
  .top-bar .container{justify-content:center;text-align:center}
  .top-social{display:none}
  .header-inner{flex-wrap:wrap}
  .logo-text .en{display:none}
  .product-gallery .main-img img{height:300px}
}
@media(max-width:480px){
  .product-grid{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .slide-btns .btn{width:100%;justify-content:center}
  .detail-actions .btn{width:100%}
}

/* Product Price Box */
.product-price-box{background:linear-gradient(135deg,#f0f7ff 0%,#fff5f0 100%);border:1px solid #e0e8f0;border-radius:12px;padding:20px 24px;margin:16px 0}
.product-price-box .price-main{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.product-price-box .price-label{font-size:14px;color:var(--text-light);font-weight:600}
.product-price-box .price-value{font-size:32px;font-weight:800;color:var(--accent);line-height:1}
.product-price-box .price-unit{font-size:14px;color:var(--text-light);font-weight:500}
.product-price-box .price-note{font-size:12px;color:var(--text-light);margin-top:10px;line-height:1.5;font-style:italic}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float{position:fixed;bottom:20px;right:100px;z-index:9999;display:flex;align-items:flex-end;gap:12px}
.whatsapp-float-btn{width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);cursor:pointer;transition:all .3s;position:relative;flex-shrink:0}
.whatsapp-float-btn:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(37,211,102,.55)}
.whatsapp-float-btn svg{width:32px;height:32px;fill:#fff}
.whatsapp-float-btn::before{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid #25D366;animation:whatsappPulse 2s infinite}
@keyframes whatsappPulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.3);opacity:0}}
.whatsapp-float-bubble{background:#fff;border-radius:12px;padding:12px 16px;box-shadow:0 4px 20px rgba(0,0,0,.12);max-width:240px;position:relative;animation:bubbleIn .5s ease}
.whatsapp-float-bubble::after{content:'';position:absolute;right:-8px;bottom:18px;width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:8px solid #fff}
.whatsapp-float-bubble .bubble-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:4px}
.whatsapp-float-bubble .bubble-text{font-size:12px;color:var(--text-light);line-height:1.4}
.whatsapp-float-bubble .bubble-close{position:absolute;top:6px;right:8px;background:none;border:none;font-size:16px;color:var(--text-light);cursor:pointer;line-height:1;padding:2px}
.whatsapp-float-bubble .bubble-close:hover{color:var(--accent)}
@media(max-width:768px){
  .whatsapp-float{bottom:20px;right:90px}
  .whatsapp-float-btn{width:54px;height:54px}
  .whatsapp-float-btn svg{width:28px;height:28px}
  .whatsapp-float-bubble{max-width:200px;padding:10px 14px}
  .whatsapp-float-bubble .bubble-title{font-size:13px}
  .whatsapp-float-bubble .bubble-text{font-size:11px}
}

/* Product Features */
.product-features{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.product-features h3{font-size:18px;font-weight:800;color:var(--accent);margin-bottom:14px}
.feature-list{list-style:none;padding:0;margin:0}
.feature-list li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:14px;color:var(--accent);line-height:1.65;font-weight:500}
.feature-icon{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#ff8c5a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:1px}

/* Product FAQ Section */
.product-faq-section{padding:60px 0;background:#fff}
.product-faq-section .faq-list{max-width:800px;margin:0 auto}
.product-faq-section .faq-item{background:#fff;border:1px solid #e5e7eb;border-radius:10px;margin-bottom:14px;overflow:hidden;transition:all .3s}
.product-faq-section .faq-item.active{border-color:#FF6B35;box-shadow:0 4px 16px rgba(255,107,53,.1)}
.product-faq-section .faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;color:var(--primary);user-select:none;line-height:1.5}
.product-faq-section .faq-question:hover{color:#FF6B35}
.product-faq-section .faq-question span{flex:1;padding-right:16px}
.product-faq-section .faq-toggle{width:28px;height:28px;border-radius:50%;background:#f3f4f6;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-left:16px;transition:all .3s}
.product-faq-section .faq-item.active .faq-toggle{background:#FF6B35;transform:rotate(45deg)}
.product-faq-section .faq-toggle svg{width:14px;height:14px;fill:var(--primary);transition:fill .3s}
.product-faq-section .faq-item.active .faq-toggle svg{fill:#fff}
.product-faq-section .faq-answer{padding:0 22px 20px;animation:fadeIn .3s ease}
.product-faq-section .faq-answer p{font-size:14px;color:var(--text-light);line-height:1.8;margin:0}
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:768px){
  .product-faq-section{padding:40px 0}
  .product-faq-section .faq-question{font-size:14px;padding:14px 16px}
  .product-faq-section .faq-answer{padding:0 16px 16px}
  .product-faq-section .faq-answer p{font-size:13px}
}