:root{--bg:#faf9f7;--surface:#ffffff;--text:#1a1a2e;--text-muted:#5c5c72;--accent:#6366f1;--accent-light:#818cf8;--accent-soft:#eef2ff;--border:#e8e6e1;--gradient-start:#6366f1;--gradient-end:#a855f7;--shadow:0 4px 24px rgba(26,26,46,0.08);--radius:12px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(250,249,247,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-inner{justify-content:space-between;height:64px}.header-inner,.logo{display:flex;align-items:center}.logo{gap:10px;font-weight:700;font-size:1.15rem}.logo-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));display:flex;align-items:center;justify-content:center;color:white;font-size:14px}.nav{display:flex;gap:28px}.nav a{font-size:.95rem;color:var(--text-muted);transition:color .2s}.nav a.active,.nav a:hover{color:var(--accent)}.hero{padding:80px 0 64px;text-align:center}.hero-badge{display:inline-block;padding:6px 14px;background:var(--accent-soft);color:var(--accent);border-radius:999px;font-size:.85rem;font-weight:500;margin-bottom:20px}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;margin-bottom:16px;letter-spacing:-.02em}.hero h1 span{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:1.1rem;color:var(--text-muted);max-width:560px;margin:0 auto 32px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:999px;font-size:.95rem;font-weight:600;transition:transform .2s,box-shadow .2s;cursor:pointer;border:none}.btn-primary{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:white;box-shadow:0 4px 16px rgba(99,102,241,.35)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(99,102,241,.45)}.btn-outline{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--accent-light);color:var(--accent)}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.section{padding:64px 0}.section-title{text-align:center;margin-bottom:40px}.section-title h2{font-size:1.75rem;font-weight:700;margin-bottom:8px}.section-title p{color:var(--text-muted)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:20px;gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(26,26,46,.12)}.card-icon{width:48px;height:48px;border-radius:12px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}.card h3{font-size:1.1rem;margin-bottom:8px}.card p{font-size:.9rem;color:var(--text-muted)}.price-card{text-align:center;position:relative}.price-card.featured{border-color:var(--accent-light);box-shadow:0 8px 32px rgba(99,102,241,.15)}.price-tag{font-size:2rem;font-weight:800;color:var(--accent);margin:12px 0}.price-tag small{font-size:1rem;font-weight:500}.price-features{list-style:none;text-align:left;margin:20px 0}.price-features li{padding:8px 0;font-size:.9rem;color:var(--text-muted);border-bottom:1px solid var(--border)}.price-features li:last-child{border-bottom:none}.price-features li:before{content:"✓ ";color:var(--accent);font-weight:600}.badge-popular{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:white;font-size:.75rem;font-weight:600;padding:4px 14px;border-radius:999px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:24px;gap:24px;counter-reset:step}.step{text-align:center;counter-increment:step}.step-num{width:40px;height:40px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.step h4{font-size:.95rem;margin-bottom:4px}.step p{font-size:.85rem;color:var(--text-muted)}.page-header{padding:48px 0 32px;text-align:center;border-bottom:1px solid var(--border);margin-bottom:48px}.page-header h1{font-size:2rem;font-weight:700;margin-bottom:8px}.page-header p{color:var(--text-muted)}.info-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin-bottom:24px}.info-block h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px}.info-block h3,.info-row{border-bottom:1px solid var(--border)}.info-row{display:flex;padding:10px 0;font-size:.95rem}.info-row:last-child{border-bottom:none}.info-label{width:140px;flex-shrink:0;color:var(--text-muted)}.info-value{flex:1 1}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:24px;gap:24px}.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.contact-card h3{margin-bottom:12px}.contact-card p{color:var(--text-muted);font-size:.95rem;margin-bottom:8px}.contact-card a{color:var(--accent)}.site-footer{margin-top:80px;padding:40px 0;border-top:1px solid var(--border);background:var(--surface)}.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}.footer-brand p{color:var(--text-muted);font-size:.85rem;margin-top:8px;max-width:280px}.footer-links{display:flex;gap:48px}.footer-col h4{font-size:.85rem;font-weight:600;margin-bottom:12px}.footer-col a{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:8px}.footer-col a:hover{color:var(--accent)}.footer-bottom{margin-top:32px;padding-top:24px;border-top:1px solid var(--border);text-align:center;font-size:.8rem;color:var(--text-muted)}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag{padding:4px 12px;background:var(--accent-soft);color:var(--accent);border-radius:999px;font-size:.8rem}.category-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.category-btn{padding:8px 18px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:.9rem;cursor:pointer;transition:all .2s}.category-btn.active,.category-btn:hover{background:var(--accent-soft);border-color:var(--accent-light);color:var(--accent)}.shop-count{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:20px;gap:20px}.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(26,26,46,.12)}.product-image{height:160px;display:flex;align-items:center;justify-content:center}.product-image-icon{font-size:56px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.15))}.product-body{padding:20px}.product-category{font-size:.75rem;color:var(--accent);font-weight:500}.product-body h3{font-size:1rem;margin:6px 0 8px}.product-body p{font-size:.85rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}.product-price-row{display:flex;align-items:baseline;gap:8px}.product-price{font-size:1.25rem;font-weight:700;color:#ef4444}.product-original{text-decoration:line-through}.breadcrumb,.product-original{font-size:.85rem;color:var(--text-muted)}.breadcrumb{padding:20px 0;display:flex;gap:8px}.breadcrumb a:hover{color:var(--accent)}.detail-layout{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;margin-bottom:48px}.detail-main-image{aspect-ratio:1;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.detail-main-icon{font-size:120px;filter:drop-shadow(0 8px 16px rgba(0,0,0,.2))}.detail-thumbs{display:flex;gap:12px;margin-top:12px}.detail-thumb{width:72px;height:72px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:28px;border:2px solid transparent;opacity:.7;cursor:pointer}.detail-thumb.active{border-color:var(--accent);opacity:1}.detail-title{font-size:1.75rem;font-weight:700;margin:8px 0}.detail-short{color:var(--text-muted);margin-bottom:20px}.detail-price-block{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:20px;padding:16px;background:#fef2f2;border-radius:var(--radius)}.detail-price{font-size:2rem;font-weight:800;color:#ef4444}.detail-sku{font-size:.85rem;color:var(--text-muted);margin-left:auto}.detail-specs-inline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.spec-chip{font-size:.8rem;padding:6px 12px;background:var(--bg);border-radius:6px;color:var(--text-muted)}.spec-chip strong{color:var(--text)}.detail-features{list-style:none;margin-bottom:24px}.detail-features li{padding:6px 0;font-size:.9rem;color:var(--text-muted)}.detail-features li:before{content:"✓ ";color:var(--accent);font-weight:600}.btn-block{width:100%;justify-content:center;text-align:center}.detail-desc{color:var(--text-muted);line-height:1.8}.detail-tabs{display:flex;flex-direction:column;gap:24px}.checkout-layout{display:grid;grid-template-columns:1fr 360px;grid-gap:24px;gap:24px;align-items:start}.checkout-main{display:flex;flex-direction:column;gap:24px}.form-hint{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field.full{grid-column:1/-1}.form-field span{font-size:.85rem;font-weight:500}.form-field input,.form-field textarea{padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:inherit;background:var(--bg);transition:border-color .2s}.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--accent)}.checkout-item{display:flex;gap:16px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--border)}.checkout-item-image{width:72px;height:72px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:32px;flex-shrink:0}.checkout-item-info{flex:1 1}.checkout-item-info h4{font-size:.95rem;margin-bottom:4px}.checkout-item-info p{font-size:.8rem;color:var(--text-muted)}.checkout-item-sku{font-size:.75rem;color:var(--text-muted)}.checkout-item-price{font-weight:700;color:#ef4444;white-space:nowrap}.qty-row{justify-content:space-between;padding-top:16px;font-size:.95rem}.qty-control,.qty-row{display:flex;align-items:center}.qty-control{border:1px solid var(--border);border-radius:8px;overflow:hidden}.qty-control button{width:36px;height:36px;border:none;background:var(--bg);cursor:pointer;font-size:1.1rem;color:var(--text)}.qty-control button:hover{background:var(--accent-soft)}.qty-control span{width:48px;text-align:center;font-weight:600}.checkout-sidebar{position:-webkit-sticky;position:sticky;top:80px}.order-summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.order-summary h3{font-size:1.1rem;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}.summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:.9rem;color:var(--text-muted)}.summary-row.total{font-size:1.1rem;font-weight:700;color:var(--text)}.summary-row.total span:last-child{color:#ef4444;font-size:1.4rem}.order-no{font-family:monospace;font-size:.85rem;color:var(--text)}.summary-divider{height:1px;background:var(--border);margin:12px 0}.btn-alipay{width:100%;margin-top:20px;padding:14px;border:none;border-radius:8px;background:#1677ff;color:white;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .2s}.btn-alipay:hover{background:#0958d9}.alipay-logo{width:24px;height:24px;background:white;color:#1677ff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}.pay-note{margin-top:12px;font-size:.75rem;color:var(--text-muted);text-align:center;line-height:1.6}.pay-note a{color:var(--accent)}.checkout-empty,.checkout-success{text-align:center;padding:64px 24px}.checkout-success .success-icon{width:64px;height:64px;border-radius:50%;background:#dcfce7;color:#16a34a;font-size:32px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-weight:700}.checkout-success h2{margin-bottom:12px}.checkout-success p{color:var(--text-muted);margin-bottom:8px}.success-note{font-size:.85rem;max-width:400px;margin:16px auto 24px!important}@media (max-width:640px){.nav{gap:16px;font-size:.85rem}.hero{padding:48px 0 40px}.info-row{flex-direction:column;gap:4px}.info-label{width:auto;font-weight:600;color:var(--text)}.footer-links{gap:24px}.checkout-layout,.detail-layout{grid-template-columns:1fr}.checkout-sidebar{position:static}.form-grid{grid-template-columns:1fr}}