*{box-sizing:border-box;margin:0;padding:0}
:root{--p:#FF6B35;--p2:#E55A24;--pl:#fff3f0;--dark:#0f172a;--dark2:#1e293b;--bg:#f8fafc;--card:#fff;--border:#e2e8f0;--text:#0f172a;--muted:#64748b;--green:#16a34a;--green-bg:#f0fdf4;--red:#dc2626;--red-bg:#fef2f2;--yellow:#d97706;--yellow-bg:#fffbeb;--blue:#2563eb;--blue-bg:#eff6ff;--r:10px;--r-lg:14px}
body{font-family:'Inter',sans-serif;color:var(--text);font-size:14px;background:var(--bg)}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.topbar{background:var(--dark);color:#ccc;padding:5px 20px;display:flex;justify-content:space-between;font-size:12px}
.topbar a{color:#aaa;text-decoration:none;margin-left:12px}
.topbar-left{display:flex;gap:16px}
.header{background:#fff;border-bottom:1px solid var(--border);padding:10px 20px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:100;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.logo{font-size:20px;font-weight:800;color:var(--p);text-decoration:none}
.logo span{color:var(--dark)}
.search-wrap{flex:1;display:flex;background:var(--bg);border-radius:10px;border:1.5px solid var(--border);overflow:hidden}
.s-input{flex:1;border:none;background:transparent;padding:9px 12px;font-size:14px;outline:none}
.s-btn{background:var(--p);border:none;color:#fff;padding:0 16px;cursor:pointer;font-size:16px}
.hicons{display:flex;gap:2px}
.hicon{display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 10px;border-radius:8px;cursor:pointer;font-size:11px;color:var(--muted);text-decoration:none;position:relative}
.hicon:hover{background:var(--bg)}
.hicon i{font-size:21px;color:var(--dark)}
.hbadge{position:absolute;top:1px;right:6px;background:var(--p);color:#fff;font-size:9px;border-radius:50%;width:15px;height:15px;display:flex;align-items:center;justify-content:center;font-weight:700}
.nav{background:var(--dark2);display:flex;padding:0 20px;overflow-x:auto}
.nitem{color:#ccc;padding:9px 14px;font-size:13px;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.nitem:hover{color:#fff;border-bottom-color:var(--p)}
.bc{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);padding:12px 0}
.bc-sep{color:var(--border)}
.badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;padding:2px 7px;border-radius:20px;font-weight:500}
.badge.green{background:var(--green-bg);color:var(--green)}
.badge.red{background:var(--red-bg);color:var(--red)}
.badge.yellow{background:var(--yellow-bg);color:var(--yellow)}
.badge.blue{background:var(--blue-bg);color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;border:none;text-decoration:none}
.btn-p{background:var(--p);color:#fff}.btn-p:hover{background:var(--p2)}
.btn-o{background:#fff;color:var(--text);border:1.5px solid var(--border)}.btn-o:hover{border-color:var(--p);color:var(--p)}
.btn-sm{padding:6px 12px;font-size:12px;border-radius:8px}
.btn-lg{padding:13px 28px;font-size:15px;border-radius:10px}
.btn-ghost{background:none;border:none;color:var(--muted);cursor:pointer;text-decoration:none;font-size:13px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px}
.card-sm{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:14px}
.stars{color:#f59e0b;letter-spacing:-1px}
.fg{margin-bottom:14px}
.flabel{font-size:12px;font-weight:600;color:var(--text);margin-bottom:5px;display:block}
.finput{width:100%;border:1.5px solid var(--border);border-radius:9px;padding:10px 13px;font-size:14px;outline:none}
.finput:focus{border-color:var(--p)}
.fselect{width:100%;border:1.5px solid var(--border);border-radius:9px;padding:10px 13px;font-size:14px;outline:none;cursor:pointer}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pbar{height:6px;background:#e2e8f0;border-radius:3px;overflow:hidden}
.pfill{height:100%;border-radius:3px;background:var(--p)}
.pcard{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .15s;display:flex;flex-direction:column}
.pcard:hover{box-shadow:0 6px 24px rgba(0,0,0,.1);transform:translateY(-2px)}
.pc-img{background:var(--bg);height:160px;display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0}
.pc-img i{font-size:52px;color:#d1d5db}
.pc-disc{position:absolute;top:8px;left:8px;background:var(--red);color:#fff;font-size:10px;padding:2px 6px;border-radius:4px;font-weight:700}
.pc-body{padding:12px;flex:1;display:flex;flex-direction:column}
.pc-brand{font-size:10px;color:var(--muted);text-transform:uppercase}
.pc-name{font-size:13px;margin-bottom:8px;line-height:1.4;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-price-new{font-size:16px;font-weight:700;color:var(--p)}
.pc-price-old{font-size:12px;color:var(--muted);text-decoration:line-through;margin-left:4px}
.pc-rating{display:flex;align-items:center;gap:4px;margin-top:6px;font-size:11px;color:var(--muted)}
.pc-cart{width:100%;background:var(--p);color:#fff;border:none;padding:8px;font-size:12px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}
.pc-cart:hover{background:var(--p2)}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.g-sidebar{display:grid;grid-template-columns:240px 1fr;gap:20px}
.filter-sidebar{position:sticky;top:100px;height:fit-content}
.filter-section{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.filter-title{font-size:13px;font-weight:700;margin-bottom:12px}
.filter-item{display:flex;align-items:center;gap:8px;padding:5px 0;cursor:pointer;font-size:13px}
.price-range{display:flex;gap:8px;align-items:center}
.price-range input{border:1.5px solid var(--border);border-radius:8px;padding:7px 10px;font-size:12px;width:90px}
.sort-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:10px 14px;background:#fff;border-radius:var(--r);border:1px solid var(--border)}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.section-title{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:32px}
.pd-gallery{position:sticky;top:100px;height:fit-content}
.pd-main-img{background:var(--bg);border-radius:var(--r-lg);height:380px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);margin-bottom:10px;position:relative}
.pd-main-img i{font-size:100px;color:#d1d5db}
.pd-thumbs{display:flex;gap:8px}
.pd-thumb{width:64px;height:64px;background:var(--bg);border-radius:8px;border:2px solid var(--border);cursor:pointer;flex-shrink:0}
.pd-thumb.on{border-color:var(--p)}
.pd-brand{font-size:12px;font-weight:600;color:var(--p);text-transform:uppercase}
.pd-name{font-size:22px;font-weight:700;line-height:1.3;margin-bottom:10px}
.pd-rating{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.pd-price-wrap{background:var(--pl);border-radius:var(--r);padding:14px;margin-bottom:18px}
.pd-price{font-size:32px;font-weight:800;color:var(--p)}
.pd-price-old{font-size:16px;color:var(--muted);text-decoration:line-through;margin-left:8px}
.pd-discount{background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:3px 8px;border-radius:5px;margin-left:8px}
.attr-title{font-size:13px;font-weight:600;margin-bottom:8px;margin-top:16px}
.size-btns{display:flex;gap:6px;flex-wrap:wrap}
.size-btn{border:1.5px solid var(--border);border-radius:7px;padding:6px 12px;font-size:13px;cursor:pointer;background:#fff}
.size-btn.on{border-color:var(--p);background:var(--pl);color:var(--p);font-weight:600}
.size-btn.out{opacity:.4;text-decoration:line-through;cursor:not-allowed}
.qty-wrap{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:9px;overflow:hidden;width:fit-content;margin-top:8px}
.qty-btn{background:#fff;border:none;padding:8px 14px;font-size:18px;cursor:pointer}
.qty-val{padding:8px 18px;font-size:15px;font-weight:600;border-left:1px solid var(--border);border-right:1px solid var(--border)}
.pd-actions{display:flex;gap:10px;margin-top:20px}
.pd-meta{margin-top:20px;display:flex;flex-direction:column;gap:8px}
.pd-meta-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.pd-meta-item i{font-size:18px;color:var(--p);width:22px}
.review-summary{display:flex;gap:24px;margin-bottom:20px;padding:20px;background:var(--bg);border-radius:var(--r-lg)}
.review-big{text-align:center}
.review-big .num{font-size:48px;font-weight:800;line-height:1}
.review-big .stars{font-size:20px}
.review-bars{flex:1}
.rbar-row{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:12px}
.rbar-label{width:40px;color:var(--muted)}
.rbar-wrap{flex:1;height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden}
.rbar-fill{height:100%;border-radius:4px;background:#f59e0b}
.rbar-count{width:30px;text-align:right;color:var(--muted)}
.review-item{padding:16px 0;border-bottom:1px solid var(--border)}
.ri-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.ri-avatar{width:34px;height:34px;border-radius:50%;background:var(--p);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700}
.ri-name{font-size:13px;font-weight:600}
.ri-date{font-size:11px;color:var(--muted)}
.ri-verified{font-size:11px;color:var(--green);display:flex;align-items:center;gap:3px;margin-left:auto}
.cart-grid{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.cart-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.cart-img{width:80px;height:80px;background:var(--bg);border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cart-info{flex:1}
.cart-name{font-size:14px;font-weight:600}
.cart-variant{font-size:12px;color:var(--muted);margin-bottom:8px}
.cart-actions{display:flex;align-items:center;gap:12px}
.cart-price{font-size:16px;font-weight:700;color:var(--p)}
.order-summary{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;position:sticky;top:100px}
.os-title{font-size:16px;font-weight:700;margin-bottom:16px}
.os-row{display:flex;justify-content:space-between;font-size:14px;padding:7px 0;border-bottom:1px solid var(--border)}
.os-total{display:flex;justify-content:space-between;font-size:16px;font-weight:700;padding:14px 0 0;margin-top:4px;border-top:2px solid var(--border)}
.checkout-grid{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.address-card{border:2px solid var(--border);border-radius:var(--r-lg);padding:16px;cursor:pointer;margin-bottom:10px;display:flex;align-items:flex-start;gap:12px}
.address-card.on{border-color:var(--p);background:var(--pl)}
.ac-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;margin-top:2px}
.address-card.on .ac-radio{border-color:var(--p);background:radial-gradient(circle,var(--p) 40%,transparent 41%)}
.ac-title{font-size:13px;font-weight:600;margin-bottom:3px}
.ac-text{font-size:12px;color:var(--muted);line-height:1.5}
.payment-method-card{border:2px solid var(--border);border-radius:var(--r-lg);padding:16px;cursor:pointer;margin-bottom:10px;display:flex;align-items:center;gap:12px}
.payment-method-card.on{border-color:var(--p);background:var(--pl)}
.pm-icon{width:44px;height:28px;background:var(--bg);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}
.pm-name{font-size:13px;font-weight:600}
.pm-sub{font-size:11px;color:var(--muted)}
.success-wrap{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px}
.success-icon{width:80px;height:80px;border-radius:50%;background:var(--green-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:40px;color:var(--green)}
.success-title{font-size:26px;font-weight:800;margin-bottom:8px}
.success-sub{font-size:15px;color:var(--muted);margin-bottom:24px;max-width:420px}
.order-track-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;max-width:500px;margin:0 auto 24px;text-align:left}
.tl{padding-left:14px;border-left:2px solid var(--border)}
.tl-item{position:relative;padding:0 0 14px 16px}
.tl-item::before{content:'';width:10px;height:10px;border-radius:50%;background:#e2e8f0;position:absolute;left:-6px;top:3px}
.tl-item.done::before{background:var(--green)}
.tl-item.curr::before{background:var(--p);box-shadow:0 0 0 3px rgba(255,107,53,.2)}
.tl-label{font-size:13px;font-weight:500}
.tl-sub{font-size:11px;color:var(--muted);margin-top:2px}
.auth-wrap{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:40px 20px}
.auth-box{background:#fff;border:1px solid var(--border);border-radius:16px;width:100%;max-width:420px;padding:36px;box-shadow:0 8px 40px rgba(0,0,0,.08)}
.auth-logo{text-align:center;margin-bottom:24px}
.auth-title{font-size:22px;font-weight:700;margin-bottom:4px;text-align:center}
.auth-sub{font-size:13px;color:var(--muted);text-align:center;margin-bottom:24px}
.auth-link{font-size:13px;text-align:center;color:var(--muted);margin-top:16px}
.auth-link a{color:var(--p);font-weight:600;text-decoration:none}
.auth-check{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);margin-bottom:16px}
.alert{border-radius:var(--r);padding:12px 16px;display:flex;gap:9px;align-items:flex-start;font-size:13px;margin-bottom:14px}
.alert.warn{background:var(--yellow-bg);color:#92400e;border:1px solid #fde68a}
.alert.success{background:var(--green-bg);color:#15803d;border:1px solid #bbf7d0}
.alert.info{background:var(--blue-bg);color:#1d4ed8;border:1px solid #bfdbfe}
.footer{background:var(--dark);color:#6b7280;padding:32px 20px 16px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:24px}
.footer-col h4{color:#e5e7eb;font-size:13px;font-weight:600;margin-bottom:10px}
.footer-col a{display:block;font-size:12px;color:#6b7280;text-decoration:none;margin-bottom:6px}
.footer-bottom{border-top:1px solid #1e293b;padding-top:16px;display:flex;justify-content:space-between;font-size:12px}
.pay-icons{display:flex;gap:6px}
.pay-ico{background:#1e293b;border-radius:4px;padding:3px 8px;font-size:10px;font-weight:600;color:#9ca3af}
@media(max-width:900px){.g4,.g3{grid-template-columns:repeat(2,1fr)}.g-sidebar,.pd-grid,.cart-grid,.checkout-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}