*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',sans-serif;background:#f5f6fa;color:#222;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit;outline:none;border:none;background:none}
ul,ol{list-style:none}

:root{
--primary:#0f172a;
--secondary:#334155;
--accent:#2563eb;
--accent-hover:#1d4ed8;
--success:#16a34a;
--danger:#ef4444;
--warning:#f59e0b;
--gold:#d4af37;
--white:#fff;
--black:#111827;
--gray-50:#f8fafc;
--gray-100:#f1f5f9;
--gray-200:#e2e8f0;
--gray-300:#cbd5e1;
--gray-400:#94a3b8;
--gray-500:#64748b;
--gray-600:#475569;
--gray-700:#334155;
--gray-800:#1e293b;
--gray-900:#0f172a;
--radius:16px;
--radius-sm:10px;
--shadow:0 10px 30px rgba(15,23,42,.08);
--shadow-hover:0 18px 45px rgba(15,23,42,.15);
--transition:.3s ease;
--container:1280px;
}

body::-webkit-scrollbar{width:10px}
body::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:20px}
body::-webkit-scrollbar-track{background:var(--gray-100)}
.wrapper{width:100%;overflow:hidden}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}
.section-title h2{font-size:1.9rem;font-weight:800;color:var(--primary)}
.section-title a{font-size:.95rem;color:var(--accent);font-weight:600;transition:var(--transition)}
.section-title a:hover{color:var(--accent-hover)}
main{padding-bottom:60px}

.header{position:sticky;top:0;left:0;width:100%;background:rgba(255,255,255,.96);backdrop-filter:blur(15px);border-bottom:1px solid var(--gray-200);z-index:999}
.header .container{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo img{height:46px;width:auto}
.menu{display:flex;align-items:center;gap:35px}
.menu a{font-size:.95rem;font-weight:600;color:var(--gray-700);position:relative;transition:var(--transition)}
.menu a::after{content:'';position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.menu a:hover{color:var(--accent)}
.menu a:hover::after{width:100%}
.header-right{display:flex;align-items:center;gap:15px}
.btn-login{display:flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:50px;background:var(--accent);color:#fff;font-weight:700;transition:var(--transition);box-shadow:0 8px 18px rgba(37,99,235,.25)}
.btn-login:hover{background:var(--accent-hover);transform:translateY(-2px)}
.mobile-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;border-radius:12px;background:var(--gray-100);cursor:pointer}
.mobile-toggle span{width:24px;height:2px;background:var(--primary);margin:auto;border-radius:20px}

.breadcrumb{background:#fff;border-bottom:1px solid var(--gray-200)}
.breadcrumb .container{display:flex;align-items:center;gap:10px;min-height:52px;font-size:.9rem;color:var(--gray-500)}
.breadcrumb a{color:var(--gray-600);transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb strong{color:var(--primary);font-weight:700}

.detail-card,.spec-card,.faq-card,.review-card,.related-product,.store-feature,.newsletter{margin-top:35px}
.detail-card,.spec-card,.faq-card,.review-card{background:#fff;border-radius:var(--radius);padding:35px;box-shadow:var(--shadow)}
.product-section{padding:40px 0}
.product-grid{display:grid;grid-template-columns:520px 1fr;gap:40px;align-items:start}

.product-gallery{position:sticky;top:100px}
.product-main{position:relative;background:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);overflow:hidden}
.product-main img{width:100%;aspect-ratio:1/1;object-fit:contain;transition:.35s}
.product-main:hover img{transform:scale(1.04)}
.sale-badge{position:absolute;top:18px;left:18px;background:var(--danger);color:#fff;font-size:.82rem;font-weight:700;padding:8px 14px;border-radius:30px}
.product-thumb{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:18px}
.product-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;border:2px solid transparent;border-radius:12px;background:#fff;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow)}
.product-thumb img:hover,.product-thumb img.active{border-color:var(--accent);transform:translateY(-3px)}
.product-share{display:flex;align-items:center;gap:14px;margin-top:20px;font-size:.92rem;color:var(--gray-600)}
.product-share img{width:34px;height:34px;border-radius:50%;padding:8px;background:#fff;box-shadow:var(--shadow);transition:var(--transition)}
.product-share img:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}

.product-info{display:flex;flex-direction:column;gap:22px}
.official-badge{display:inline-flex;width:max-content;padding:7px 14px;border-radius:30px;background:#e8f3ff;color:var(--accent);font-size:.82rem;font-weight:700}
.product-info h1{font-size:2rem;font-weight:800;line-height:1.35;color:var(--primary)}
.product-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--gray-500);font-size:.95rem}
.rating{font-weight:700;color:#f59e0b}

.price-area{display:flex;align-items:center;flex-wrap:wrap;gap:14px;padding:24px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.price-old{font-size:1rem;color:var(--gray-400);text-decoration:line-through}
.price-new{font-size:2.3rem;font-weight:800;color:var(--danger)}
.discount-tag{padding:6px 12px;border-radius:30px;background:#ffe8e8;color:var(--danger);font-size:.82rem;font-weight:700}

.voucher-box{background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.voucher-title{font-size:1rem;font-weight:700;margin-bottom:14px}
.voucher-list{display:flex;flex-wrap:wrap;gap:12px}
.voucher-list span{padding:10px 16px;border-radius:30px;background:#eef5ff;color:var(--accent);font-weight:600;font-size:.9rem}

.shipping-box{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shipping-item{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}
.shipping-item strong{display:block;font-size:.85rem;color:var(--gray-500);margin-bottom:8px}
.shipping-item span{font-weight:700;color:var(--primary)}

.option-box{background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.option-box h3{font-size:1rem;font-weight:700;margin-bottom:18px}
.variant-list{display:flex;flex-wrap:wrap;gap:12px}
.variant{padding:12px 20px;border:2px solid var(--gray-200);border-radius:12px;background:#fff;font-weight:600;cursor:pointer;transition:var(--transition)}
.variant:hover{border-color:var(--accent);color:var(--accent)}
.variant.active{background:var(--accent);border-color:var(--accent);color:#fff}

.qty-wrapper{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.qty-minus,.qty-plus{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--gray-100);cursor:pointer;font-size:1.2rem;font-weight:700;transition:var(--transition)}
.qty-minus:hover,.qty-plus:hover{background:var(--accent);color:#fff}
.qty-wrapper input{width:70px;height:42px;border:1px solid var(--gray-300);border-radius:10px;text-align:center;background:#fff;font-weight:700}
.stock{font-size:.92rem;color:var(--gray-500)}
.stock strong{color:var(--success)}

.product-benefit{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.benefit-item{background:#fff;padding:18px;border-radius:var(--radius-sm);box-shadow:var(--shadow);font-weight:600;color:var(--gray-700)}

.payment-support{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}
.payment-support img{max-width:100%;height:auto}

.product-action{display:flex;gap:16px}
.btn-cart,.btn-buy{flex:1;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;transition:var(--transition)}
.btn-cart{background:#eef5ff;color:var(--accent);border:2px solid var(--accent)}
.btn-cart:hover{background:var(--accent);color:#fff}
.btn-buy{background:var(--accent);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.28)}
.btn-buy:hover{background:var(--accent-hover);transform:translateY(-2px)}

.store-info{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.store-logo img{width:72px;height:72px;border-radius:50%;object-fit:cover}
.store-detail{flex:1}
.store-detail h4{font-size:1.1rem;font-weight:700;color:var(--primary);margin-bottom:4px}
.store-detail p{font-size:.92rem;color:var(--gray-500)}
.visit-store{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;background:var(--gray-900);color:#fff;font-weight:700;transition:var(--transition)}
.visit-store:hover{background:var(--accent)}
.detail-content{display:flex;flex-direction:column;gap:18px}
.detail-content p{font-size:.96rem;color:var(--gray-600);line-height:1.9}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:8px}
.feature-list li{padding:14px 18px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:12px;font-weight:600;color:var(--gray-700);transition:var(--transition)}
.feature-list li:hover{background:#fff;border-color:var(--accent);transform:translateY(-2px)}

.spec-table{width:100%;border-collapse:collapse}
.spec-table tr{border-bottom:1px solid var(--gray-200)}
.spec-table tr:last-child{border-bottom:none}
.spec-table th{width:230px;padding:18px;text-align:left;font-size:.95rem;font-weight:700;color:var(--primary);background:var(--gray-50)}
.spec-table td{padding:18px;font-size:.95rem;color:var(--gray-600);background:#fff}

.faq-card{display:flex;flex-direction:column;gap:14px}
.faq-item{overflow:hidden;border:1px solid var(--gray-200);border-radius:14px;background:#fff;transition:var(--transition)}
.faq-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:1rem;font-weight:700;color:var(--primary);cursor:pointer}
.faq-question span{font-size:1.3rem;color:var(--accent);transition:var(--transition)}
.faq-item.active .faq-question span{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 24px 22px}
.faq-answer p{font-size:.95rem;color:var(--gray-600);line-height:1.8}
.faq-item.active .faq-answer{display:block}

.review-summary{display:grid;grid-template-columns:260px 1fr;gap:35px;padding:28px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:18px;margin-bottom:30px}
.review-score{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.review-score h3{font-size:4rem;font-weight:800;color:var(--primary);line-height:1}
.review-score p{font-size:1.4rem;color:#f59e0b;margin:10px 0}
.review-score span{font-size:.92rem;color:var(--gray-500)}

.review-progress{display:flex;flex-direction:column;justify-content:center;gap:14px}
.progress-item{display:grid;grid-template-columns:50px 1fr;align-items:center;gap:15px}
.progress-item label{font-size:.92rem;font-weight:700;color:var(--gray-600)}
.progress{height:10px;background:var(--gray-200);border-radius:20px;overflow:hidden}
.progress span{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,#2563eb,#60a5fa)}

.review-list{display:flex;flex-direction:column;gap:22px}
.review-item{padding:24px;background:#fff;border:1px solid var(--gray-200);border-radius:16px;transition:var(--transition)}
.review-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:15px;margin-bottom:16px}
.review-header img{width:56px;height:56px;border-radius:50%;object-fit:cover}
.review-header h4{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:4px}
.review-header span{font-size:.85rem;color:var(--gray-500)}
.review-item p{font-size:.95rem;color:var(--gray-600);line-height:1.8}

.review-gallery{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.review-gallery img{width:100px;height:100px;object-fit:cover;border-radius:12px;border:1px solid var(--gray-200);transition:var(--transition)}
.review-gallery img:hover{transform:scale(1.05);box-shadow:var(--shadow-hover)}

.review-pagination{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:35px}
.review-pagination a{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--gray-200);font-weight:700;color:var(--gray-600);transition:var(--transition)}
.review-pagination a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.review-pagination a.active{background:var(--accent);border-color:var(--accent);color:#fff}
.detail-card+.spec-card,.spec-card+.faq-card,.faq-card+.review-card{margin-top:30px}

.related-product{padding:60px 0}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--gray-200);border-radius:18px;overflow:hidden;transition:var(--transition);box-shadow:var(--shadow)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.product-image{position:relative;overflow:hidden;background:var(--gray-50)}
.product-image img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:.4s}
.product-card:hover .product-image img{transform:scale(1.08)}
.product-image span{position:absolute;top:15px;left:15px;padding:6px 12px;border-radius:30px;background:var(--danger);color:#fff;font-size:.8rem;font-weight:700;z-index:2}
.product-body{padding:20px}
.product-body h3{font-size:1rem;font-weight:700;line-height:1.5;height:48px;overflow:hidden;color:var(--primary)}
.card-rating{margin:14px 0;color:#f59e0b;font-size:.9rem}
.card-price{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.card-price del{font-size:.9rem;color:var(--gray-400)}
.card-price strong{font-size:1.35rem;color:var(--danger);font-weight:800}
.card-btn{display:flex;align-items:center;justify-content:center;height:48px;border-radius:12px;background:var(--accent);color:#fff;font-weight:700;transition:var(--transition)}
.card-btn:hover{background:var(--accent-hover)}

.store-feature{padding:70px 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-box{padding:35px 25px;text-align:center;background:#fff;border-radius:18px;border:1px solid var(--gray-200);transition:var(--transition);box-shadow:var(--shadow)}
.feature-box:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:var(--shadow-hover)}
.feature-icon{display:flex;align-items:center;justify-content:center;width:70px;height:70px;margin:0 auto 18px;border-radius:50%;background:#eef5ff;font-size:2rem}
.feature-box h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:12px}
.feature-box p{font-size:.95rem;color:var(--gray-600);line-height:1.8}

.newsletter{padding:70px 0}
.newsletter-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:45px;border-radius:22px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff}
.newsletter-content h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.newsletter-content p{font-size:1rem;opacity:.92;line-height:1.8}
.newsletter-form{display:flex;gap:12px;min-width:420px}
.newsletter-form input{flex:1;height:56px;padding:0 20px;border-radius:12px;background:#fff;color:var(--primary)}
.newsletter-form button{padding:0 28px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;transition:var(--transition)}
.newsletter-form button:hover{background:#000}

.footer{margin-top:80px;background:var(--primary);color:#cbd5e1}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:45px;padding:70px 0 45px}
.footer-about img{height:48px;width:auto;margin-bottom:20px}
.footer-about p{line-height:1.9;font-size:.95rem}
.footer-social{display:flex;gap:12px;margin-top:24px}
.footer-social a{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.08);transition:var(--transition)}
.footer-social a:hover{background:var(--accent);transform:translateY(-3px)}
.footer-social img{width:18px;height:18px;filter:brightness(0) invert(1)}

.footer-menu h4{font-size:1.1rem;color:#fff;margin-bottom:18px}
.footer-menu ul{display:flex;flex-direction:column;gap:12px}
.footer-menu a{font-size:.95rem;color:#cbd5e1;transition:var(--transition)}
.footer-menu a:hover{color:#fff;padding-left:6px}

.footer-middle{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:35px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.payment-method,.shipping-method{flex:1}
.payment-method h4,.shipping-method h4{margin-bottom:16px;color:#fff;font-size:1rem}
.payment-method img,.shipping-method img{max-width:100%;height:auto}

.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 0;font-size:.9rem}
.footer-bottom p{color:#94a3b8}
.footer-bottom ul{display:flex;gap:24px}
.footer-bottom a{color:#cbd5e1;transition:var(--transition)}
.footer-bottom a:hover{color:#fff}
@media(max-width:1200px){
.container{width:min(100%,calc(100% - 32px))}
.product-grid{grid-template-columns:460px 1fr;gap:30px}
.related-grid{grid-template-columns:repeat(3,1fr)}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:2fr 1fr 1fr}
.newsletter-form{min-width:360px}
}

@media(max-width:992px){
.header .container{height:70px}
.menu{display:none}
.mobile-toggle{display:flex}
.product-grid{grid-template-columns:1fr;gap:35px}
.product-gallery{position:relative;top:0}
.shipping-box{grid-template-columns:repeat(2,1fr)}
.review-summary{grid-template-columns:1fr;gap:25px}
.related-grid{grid-template-columns:repeat(2,1fr)}
.newsletter-box{flex-direction:column;align-items:flex-start}
.newsletter-form{width:100%;min-width:100%}
.footer-top{grid-template-columns:1fr 1fr}
.footer-middle{flex-direction:column;align-items:flex-start}
.footer-bottom{flex-direction:column;align-items:flex-start}
}

@media(max-width:768px){
body{font-size:15px}
.container{width:min(100%,calc(100% - 24px))}
.header .container{height:64px}
.logo img{height:40px}
.breadcrumb .container{min-height:44px;font-size:.82rem;overflow:auto;white-space:nowrap}
.product-section{padding:25px 0}
.product-main{padding:16px}
.product-thumb{gap:8px}
.product-info h1{font-size:1.5rem}
.price-area{padding:18px}
.price-new{font-size:1.9rem}
.shipping-box{grid-template-columns:1fr}
.product-benefit{grid-template-columns:1fr}
.feature-list{grid-template-columns:1fr}
.spec-table th,.spec-table td{display:block;width:100%;padding:14px}
.spec-table th{border-bottom:1px solid var(--gray-200)}
.product-action{flex-direction:column}
.store-info{flex-direction:column;align-items:flex-start}
.store-logo img{width:60px;height:60px}
.review-header{align-items:flex-start}
.review-gallery img{width:80px;height:80px}
.related-grid{grid-template-columns:1fr 1fr;gap:16px}
.feature-grid{grid-template-columns:1fr}
.newsletter{padding:50px 0}
.newsletter-box{padding:30px}
.newsletter-content h2{font-size:1.6rem}
.newsletter-form{flex-direction:column}
.newsletter-form input,.newsletter-form button{width:100%}
.footer-top{grid-template-columns:1fr;gap:35px}
.footer-social{flex-wrap:wrap}
.footer-bottom ul{flex-wrap:wrap;gap:15px}
}

@media(max-width:576px){
.container{width:min(100%,calc(100% - 20px))}
.section-title h2{font-size:1.35rem}
.product-info h1{font-size:1.3rem}
.product-meta{gap:8px;font-size:.85rem}
.price-old{font-size:.9rem}
.price-new{font-size:1.6rem}
.discount-tag{font-size:.75rem}
.voucher-box,.option-box,.payment-support,.store-info,.detail-card,.spec-card,.faq-card,.review-card{padding:18px}
.variant-list{gap:8px}
.variant{flex:1;min-width:110px;padding:10px 12px}
.qty-wrapper{flex-wrap:wrap}
.qty-wrapper input{width:60px}
.product-thumb{grid-template-columns:repeat(5,1fr);gap:6px}
.sale-badge{top:12px;left:12px;padding:6px 10px;font-size:.72rem}
.review-score h3{font-size:3rem}
.review-score p{font-size:1.2rem}
.progress-item{grid-template-columns:40px 1fr}
.review-item{padding:18px}
.review-header img{width:48px;height:48px}
.review-gallery img{width:70px;height:70px}
.product-card{border-radius:14px}
.product-body{padding:16px}
.card-price strong{font-size:1.2rem}
.feature-box{padding:25px 18px}
.newsletter-content h2{font-size:1.4rem}
.newsletter-content p{font-size:.9rem}
.footer{margin-top:60px}
.footer-top{padding:50px 0 30px}
.footer-middle{padding:25px 0}
.footer-bottom{padding:20px 0;font-size:.82rem}
}

@media(max-width:390px){
html{font-size:14px}
.header .container{height:60px}
.logo img{height:36px}
.btn-login{padding:10px 18px;font-size:.82rem}
.mobile-toggle{width:40px;height:40px}
.product-main{padding:12px}
.product-info{gap:16px}
.price-area{gap:10px}
.price-new{font-size:1.45rem}
.variant{min-width:100%;text-align:center}
.qty-minus,.qty-plus{width:38px;height:38px}
.qty-wrapper input{height:38px}
.product-action .btn-cart,.product-action .btn-buy{height:50px;font-size:.92rem}
.review-gallery{gap:8px}
.review-gallery img{width:60px;height:60px}
.review-pagination{gap:6px}
.review-pagination a{width:36px;height:36px}
.related-grid{grid-template-columns:1fr}
.newsletter-box{padding:22px}
.newsletter-content h2{font-size:1.25rem}
.newsletter-content p{font-size:.85rem}
.footer-menu ul{gap:10px}
.footer-bottom ul{flex-direction:column;gap:8px}
}

@media(min-width:1600px){
:root{--container:1440px}
.product-grid{grid-template-columns:600px 1fr;gap:50px}
.related-grid{grid-template-columns:repeat(4,1fr)}
}

.text-center{text-align:center}
.text-left{text-align:left}
.text-right{text-align:right}
.w-100{width:100%}
.d-flex{display:flex}
.align-center{align-items:center}
.justify-center{justify-content:center}
.justify-between{justify-content:space-between}
.rounded{border-radius:var(--radius)}
.shadow{box-shadow:var(--shadow)}
.hidden{display:none}