/* ===== Reset & Vars ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0A0A0A;--surface:#141414;--surface2:#1E1E1E;--surface3:#282828;
  --text:#F5F5F5;--text2:#999;--text3:#555;
  --accent:#E8E8E8;--pink:#FF6B9D;--purple:#A78BFA;--gold:#F6C445;
  --radius:12px;--radius-lg:20px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;font-family:inherit;background:none}
img{display:block;width:100%;height:100%;object-fit:cover}

/* ===== Topbar ===== */
.topbar{background:var(--surface);text-align:center;padding:8px;font-size:12px;color:var(--text2);letter-spacing:2px;font-weight:500}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:100;background:rgba(10,10,10,0.88);backdrop-filter:blur(24px);border-bottom:1px solid rgba(255,255,255,0.06);height:60px}
.header-inner{max-width:1400px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 32px}
.logo{font-size:24px;font-weight:900;letter-spacing:6px;color:#fff}
.nav{display:flex;gap:32px}
.nav-link{font-size:13px;font-weight:600;color:var(--text2);letter-spacing:1.5px;text-transform:uppercase;transition:color .2s;position:relative}
.nav-link:hover,.nav-link.active{color:#fff}
.nav-link.active::after{content:'';position:absolute;bottom:-6px;left:0;right:0;height:2px;background:var(--pink);border-radius:1px}
.header-actions{display:flex;gap:16px;align-items:center}
.icon-btn{color:var(--text2);font-size:18px;position:relative;transition:color .2s;padding:4px}
.icon-btn:hover{color:#fff}
.cart-count{position:absolute;top:-4px;right:-8px;background:var(--pink);color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700}

/* ===== Search Overlay ===== */
.search-overlay{position:fixed;inset:0;z-index:150;background:rgba(0,0,0,0.95);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.search-overlay.active{opacity:1;pointer-events:all}
.search-inner{display:flex;align-items:center;gap:16px;width:600px;max-width:90vw}
.search-inner input{flex:1;background:none;border:none;border-bottom:2px solid var(--text3);padding:12px 0;font-size:24px;color:#fff;outline:none;font-weight:300}
.search-inner input:focus{border-color:var(--pink)}
.search-close{font-size:24px;color:var(--text2);padding:8px}

/* ===== Hero ===== */
.hero{position:relative;height:85vh;min-height:560px;overflow:hidden}
.hero-slides{position:relative;width:100%;height:100%}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s}
.hero-slide.active{opacity:1}
.hero-slide::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,0.3) 0%,rgba(10,10,10,0.1) 40%,rgba(10,10,10,0.85) 100%)}
.hero-content{position:absolute;bottom:12%;left:6%;z-index:2;max-width:600px}
.hero-series{display:inline-block;font-size:13px;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--pink);margin-bottom:12px;padding:6px 16px;border:1px solid var(--pink);border-radius:4px}
.hero-content h1{font-size:64px;font-weight:900;letter-spacing:-1px;margin-bottom:12px;line-height:1.05}
.hero-content p{font-size:18px;color:var(--text2);margin-bottom:28px;font-weight:300}
.hero-btn{display:inline-block;background:#fff;color:#000;padding:14px 40px;border-radius:30px;font-size:14px;font-weight:700;letter-spacing:2px;transition:all .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,255,255,0.2)}
.hero-dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition:all .3s}
.hero-dot.active{background:#fff;width:28px;border-radius:4px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;color:rgba(255,255,255,0.6);font-size:48px;font-weight:200;padding:0 20px;transition:color .2s}
.hero-arrow:hover{color:#fff}
.hero-prev{left:20px}
.hero-next{right:20px}

/* ===== Section Title ===== */
.section-title{font-size:28px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#fff}
.section-title::after{content:'';display:block;width:40px;height:3px;background:var(--pink);margin-top:12px;border-radius:2px}

/* ===== Series ===== */
.series-section{max-width:1400px;margin:0 auto;padding:60px 32px}
.series-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.series-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:3/4;cursor:pointer;transition:transform .4s}
.series-card:hover{transform:scale(1.02)}
.series-card img{transition:transform .6s}
.series-card:hover img{transform:scale(1.08)}
.series-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,0.8) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px}
.series-overlay h3{font-size:22px;font-weight:800;letter-spacing:3px}
.series-overlay span{font-size:13px;color:var(--text2);letter-spacing:1px;margin-top:4px}

/* ===== Products ===== */
.products-section{max-width:1400px;margin:0 auto;padding:60px 32px}
.products-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;flex-wrap:wrap;gap:16px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tab{padding:8px 20px;border-radius:24px;font-size:13px;font-weight:600;color:var(--text2);background:var(--surface);letter-spacing:1px;transition:all .2s}
.filter-tab:hover{color:#fff;background:var(--surface2)}
.filter-tab.active{color:#000;background:#fff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all .35s;position:relative}
.product-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(0,0,0,0.5)}
.product-card.hidden{display:none}
.product-badge{position:absolute;top:12px;left:12px;z-index:2;padding:5px 14px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:1px}
.badge-hot{background:var(--pink);color:#fff}
.badge-new{background:var(--purple);color:#fff}
.badge-sale{background:var(--gold);color:#000}
.badge-hidden{background:linear-gradient(135deg,#FF6B9D,#A78BFA);color:#fff}
.product-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--surface2)}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-img-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,0.4) 100%)}
.product-series{position:absolute;top:12px;right:12px;font-size:11px;font-weight:700;letter-spacing:2px;color:rgba(255,255,255,0.7);text-transform:uppercase;z-index:2}
.product-info{padding:16px 20px 20px}
.product-name{font-size:15px;font-weight:700;margin-bottom:4px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-desc{font-size:12px;color:var(--text3);margin-bottom:10px;letter-spacing:0.5px}
.product-bottom{display:flex;align-items:center;justify-content:space-between}
.product-price{font-size:18px;font-weight:800;color:#fff}
.product-price-original{font-size:12px;color:var(--text3);text-decoration:line-through;margin-left:8px;font-weight:400}
.add-btn{background:var(--pink);color:#fff;width:32px;height:32px;border-radius:50%;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .2s;font-weight:400}
.add-btn:hover{transform:scale(1.15);box-shadow:0 4px 15px rgba(255,107,157,0.4)}

/* ===== New Arrival ===== */
.new-arrival{position:relative;min-height:400px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin:20px 0}
.new-arrival-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.new-arrival-bg::before{content:'';position:absolute;inset:0;background:rgba(10,10,10,0.7)}
.new-arrival-content{position:relative;z-index:1;text-align:center;padding:60px 24px}
.new-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--gold);margin-bottom:16px;padding:6px 20px;border:1px solid var(--gold);border-radius:4px}
.new-arrival-content h2{font-size:40px;font-weight:900;letter-spacing:2px;margin-bottom:12px}
.new-arrival-content p{font-size:16px;color:var(--text2);margin-bottom:28px;font-weight:300}

/* ===== Footer ===== */
.footer{background:var(--surface);padding:48px 32px 24px;margin-top:60px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-inner{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:16px;color:#fff}
.footer-col p{font-size:13px;color:var(--text2);line-height:1.8}
.footer-col a{display:block;font-size:13px;color:var(--text2);margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:var(--pink)}
.footer-social{display:flex;gap:16px;margin-top:16px;font-size:20px}
.footer-bottom{text-align:center;padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,0.06);font-size:12px;color:var(--text3);letter-spacing:1px}

/* ===== Cart ===== */
.cart-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:200;opacity:0;pointer-events:none;transition:opacity .3s}
.cart-overlay.active{opacity:1;pointer-events:all}
.cart-sidebar{position:fixed;top:0;right:-420px;bottom:0;width:400px;background:var(--surface);z-index:201;transition:right .35s;box-shadow:-8px 0 40px rgba(0,0,0,0.5);display:flex;flex-direction:column}
.cart-sidebar.active{right:0}
.cart-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.06)}
.cart-header h3{font-size:16px;font-weight:700;letter-spacing:2px}
.cart-close{font-size:18px;color:var(--text2);padding:8px;transition:color .2s}
.cart-close:hover{color:#fff}
.cart-items{flex:1;overflow-y:auto;padding:16px 24px}
.cart-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.06);align-items:center}
.cart-item-img{width:56px;height:56px;border-radius:8px;overflow:hidden;flex-shrink:0}
.cart-item-img img{width:100%;height:100%;object-fit:cover}
.cart-item-info{flex:1}
.cart-item-name{font-size:13px;font-weight:600;line-height:1.3}
.cart-item-price{font-size:13px;color:var(--pink);font-weight:700;margin-top:4px}
.cart-item-qty{display:flex;align-items:center;gap:10px;margin-top:6px}
.qty-btn{width:24px;height:24px;border-radius:6px;background:var(--surface2);color:var(--text2);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .2s}
.qty-btn:hover{background:var(--pink);color:#fff}
.cart-footer{padding:20px 24px;border-top:1px solid rgba(255,255,255,0.06)}
.cart-total{font-size:18px;font-weight:800;margin-bottom:14px;display:flex;justify-content:space-between;letter-spacing:1px}
.checkout-btn{width:100%;padding:14px;border-radius:12px;background:var(--pink);color:#fff;font-size:14px;font-weight:700;letter-spacing:2px;transition:transform .2s}
.checkout-btn:hover{transform:translateY(-2px)}
.cart-empty{text-align:center;padding:60px 0;color:var(--text3)}
.cart-empty-icon{font-size:40px;margin-bottom:12px}

/* ===== Toast ===== */
.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(80px);background:#fff;color:#000;padding:12px 28px;border-radius:30px;font-size:13px;font-weight:600;z-index:300;opacity:0;transition:all .35s;letter-spacing:1px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){.product-grid{grid-template-columns:repeat(3,1fr)}.series-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.hero-content h1{font-size:36px}.product-grid{grid-template-columns:repeat(2,1fr)}.series-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.nav{display:none}.hero{height:70vh}}
@media(max-width:480px){.product-grid{grid-template-columns:repeat(2,1fr);gap:10px}.series-grid{grid-template-columns:1fr}.cart-sidebar{width:100%;right:-100%}.hero-content h1{font-size:28px}}