:root{--red:#d70812;--red2:#b7070f;--dark:#121619;--text:#1e1e1e;--muted:#666;--line:#e6e6e6;--bg:#f7f7f7;--shadow:0 8px 24px rgba(0,0,0,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff}a{text-decoration:none;color:inherit}.container{max-width:1180px;margin:auto;padding:0 26px}.top{height:38px;background:var(--red);color:white;font-weight:700;font-size:14px}.top .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:18px}.top span{margin-right:24px}.head{height:116px;background:#fff}.head .container{height:100%;display:flex;align-items:center;gap:45px}.logo{width:245px;height:75px;object-fit:contain}.search{flex:1;display:flex;height:50px;max-width:560px}.search input{flex:1;border:1px solid #ddd;border-radius:6px 0 0 6px;padding:0 18px;font-size:15px}.search button{width:58px;border:1px solid #ddd;border-left:0;background:#fff;border-radius:0 6px 6px 0;font-size:28px}.icons{margin-left:auto;display:flex;gap:30px;text-align:center;font-size:13px}.ico{font-size:31px;line-height:1;position:relative}.badge{position:absolute;right:-11px;top:-10px;background:var(--red);color:#fff;border-radius:50%;font-size:12px;padding:4px 7px}.nav{border-top:1px solid #eee;border-bottom:1px solid #eee;box-shadow:0 5px 14px rgba(0,0,0,.06)}.nav .container{height:58px;display:flex;align-items:center;gap:28px}.catbtn{background:var(--red);color:#fff;border-radius:5px;padding:17px 26px;font-weight:700}.nav a{font-weight:700;font-size:14px}.nav a.active{color:var(--red);border-bottom:3px solid var(--red);height:58px;display:flex;align-items:center}.hero{padding:36px 0 22px}.hero-grid{display:grid;grid-template-columns:1fr 260px;gap:22px}.hero-card{border-radius:9px;overflow:hidden;background:linear-gradient(100deg,#101518 0,#151a1d 50%,#222 100%);min-height:380px;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow)}.hero-text{padding:54px 36px;color:#fff}.hero h1{font-size:50px;line-height:1.04;margin:0 0 18px}.hero p{font-size:18px;line-height:1.5;color:#eee}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:5px;background:var(--red);color:#fff;font-weight:800;padding:16px 28px;cursor:pointer}.btn:hover{background:#b5060d}.outline{background:#fff;color:var(--red);border:1px solid var(--red)}.darkbtn{background:#191919}.hero-img{width:100%;height:100%;object-fit:cover}.benefits-side{display:grid;gap:12px}.benefit,.benefitbar .item{border:1px solid var(--line);border-radius:9px;background:#fff;padding:18px;display:flex;gap:15px;align-items:center;box-shadow:0 3px 12px rgba(0,0,0,.04)}.benefit .bi,.benefitbar .bi{font-size:30px;color:var(--red)}.benefit b{display:block}.section-title{display:flex;align-items:center;justify-content:space-between;margin:22px 0 14px}.section-title h2{margin:0;font-size:24px}.cat-row,.brand-row,.recommend{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.small-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px;min-height:168px;box-shadow:0 2px 8px rgba(0,0,0,.04)}.small-card img{width:100%;height:105px;object-fit:contain}.small-card b{display:flex;justify-content:space-between}.promo{display:grid;grid-template-columns:2.2fr .8fr;gap:22px;margin:26px 0}.promo1,.promo2{background:#111;color:#fff;border-radius:8px;min-height:210px;padding:35px;position:relative;overflow:hidden}.promo1:after{content:"";position:absolute;right:20px;bottom:0;width:380px;height:180px;background:url('assets/oil.jpg') center/cover;border-radius:12px;opacity:.9}.promo h2{font-size:32px;margin:0 0 8px}.brands{grid-template-columns:repeat(10,1fr)}.brand{border:1px solid var(--line);border-radius:7px;text-align:center;padding:20px 8px;background:#fff}.brand .mark{font-size:36px;font-weight:800}.benefitbar{margin:25px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.footer{background:linear-gradient(120deg,#15191b,#0d1011);color:#fff;margin-top:30px}.newsletter{background:linear-gradient(130deg,var(--red),#111 55%);padding:38px 0}.newsletter .container{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px}.newsletter input{height:48px;width:75%;padding:0 15px}.newsletter button{height:48px;background:#222;color:#fff;border:1px solid #999;padding:0 22px}.footmain{padding:34px 0}.footgrid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:28px}.footgrid h4{margin:0 0 12px}.footgrid p,.footgrid a{font-size:14px;color:#ddd;display:block;margin:8px 0}.copy{border-top:1px solid #333;padding:16px 0;color:#aaa;font-size:13px;display:flex;justify-content:space-between}.breadcrumbs{font-size:13px;color:#777;margin:24px 0}.page-title{font-size:42px;margin:0 0 12px}.layout{display:grid;grid-template-columns:270px 1fr;gap:28px}.sidebar{border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff;height:max-content}.sideitem{padding:16px;border-bottom:1px solid #f1f1f1;display:flex;justify-content:space-between}.sideitem.active{border-left:4px solid var(--red);font-weight:800}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cat-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 3px 10px rgba(0,0,0,.04)}.cat-card img{width:100%;height:160px;object-fit:cover}.cat-card div{padding:15px}.cat-card h3{margin:0 0 8px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin:0 0 18px}.select{border:1px solid #ddd;padding:12px;border-radius:5px;background:#fff}.help{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:8px}.contact-hero,.login-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center}.contact-hero img,.login-hero img{width:100%;height:170px;object-fit:contain}.contact-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:22px}.panel{border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px;box-shadow:var(--shadow)}label{display:block;font-weight:700;margin:16px 0 8px}.input,textarea,select{width:100%;border:1px solid #ddd;border-radius:5px;padding:14px;font-size:15px;background:#fff}textarea{height:120px}.info-row{display:grid;grid-template-columns:50px 1fr;gap:15px;border-bottom:1px solid #eee;padding:15px 0}.info-icon{font-size:30px;color:var(--red)}.map{margin-top:20px;border-radius:8px;border:1px solid #e5e5e5;height:210px;background:linear-gradient(45deg,#eef3f5,#fff);position:relative;overflow:hidden}.pin{position:absolute;left:55%;top:42%;font-size:38px;color:var(--red)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}.gallery{border:1px solid var(--line);border-radius:9px;padding:20px}.mainproduct{width:100%;height:430px;object-fit:contain}.thumbs{display:flex;gap:14px}.thumbs img{width:90px;height:70px;object-fit:cover;border:1px solid #ddd;border-radius:5px}.price{font-size:36px;color:var(--red);font-weight:900;margin:22px 0}.old{text-decoration:line-through;color:#888;font-size:18px;margin-left:12px}.qty{display:flex;gap:0}.qty button,.qty input{width:48px;height:44px;border:1px solid #ddd;text-align:center;background:#fff}.cart-action{display:flex;gap:18px}.specs{margin-top:22px;border:1px solid var(--line);border-radius:8px;padding:20px}.specs table{width:100%;border-collapse:collapse}.specs td{border-bottom:1px solid #eee;padding:10px}.tabs{margin-top:28px;border:1px solid var(--line);border-radius:8px}.tab-head{display:flex;border-bottom:1px solid #eee}.tab-head button{padding:18px 25px;border:0;background:#fff;font-weight:700;cursor:pointer}.tab-head button.active{color:var(--red);border-bottom:3px solid var(--red)}.tab-body{padding:25px}.cart-grid{display:grid;grid-template-columns:1fr 340px;gap:22px}.cart-table{border:1px solid var(--line);border-radius:8px;overflow:hidden}.cart-row{display:grid;grid-template-columns:110px 1fr 100px 140px 120px;gap:15px;align-items:center;padding:20px;border-bottom:1px solid #eee}.cart-row img{width:86px;height:75px;object-fit:contain}.summary{border:1px solid var(--line);border-radius:9px;padding:22px;height:max-content;box-shadow:var(--shadow)}.sumline{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid #eee}.total{font-size:22px;color:var(--red);font-weight:900}.rec-card{border:1px solid var(--line);border-radius:8px;padding:14px}.rec-card img{width:100%;height:130px;object-fit:contain}.login-box{display:grid;grid-template-columns:1fr 1fr;gap:28px}.login-box .panel:first-child{border-right:1px solid #eee}.social{width:100%;height:48px;margin-top:10px;border:1px solid #ddd;background:#fff;border-radius:5px;font-weight:700}.dealer-badge{margin-left:10px}.notice{background:#fff4f4;border-radius:8px;padding:18px;margin-top:20px}.toast{position:fixed;right:22px;bottom:22px;background:#111;color:#fff;padding:14px 20px;border-radius:7px;opacity:0;transform:translateY(20px);transition:.25s}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){.hero-grid,.layout,.contact-grid,.product-grid,.cart-grid,.login-box,.newsletter .container{grid-template-columns:1fr}.cat-row,.grid3,.recommend{grid-template-columns:repeat(2,1fr)}.brands,.benefitbar{grid-template-columns:repeat(2,1fr)}.head .container{gap:15px}.icons{display:none}.hero-card{grid-template-columns:1fr}.cart-row{grid-template-columns:80px 1fr}.cart-row>*:nth-child(n+3){grid-column:2}.top{height:auto;padding:8px}.nav .container{overflow:auto}.footer .footgrid{grid-template-columns:1fr 1fr}}