:root{--bg-page: #F5F7FA;--bg-card: #FFFFFF;--bg-subtle: #F8FAFC;--bg-hover: #F1F5F9;--primary: #2563EB;--primary-hover: #1D4ED8;--primary-light: #EFF6FF;--primary-border: #BFDBFE;--price: #E11D48;--price-light: #FFF1F2;--text-main: #111827;--text-secondary: #4B5563;--text-muted: #9CA3AF;--text-white: #FFFFFF;--border-light: #E5E7EB;--border-hover: #D1D5DB;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px 0 rgba(0, 0, 0, .05);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .08);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 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20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-area{display:flex;align-items:center;gap:12px;cursor:pointer}.brand-logo-wrap{width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,#2563eb,#1d4ed8);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;letter-spacing:-.5px;box-shadow:0 4px 10px #2563eb40}.brand-info{display:flex;flex-direction:column}.brand-title-row{display:flex;align-items:center;gap:8px}.brand-title{font-size:20px;font-weight:700;color:var(--text-main);letter-spacing:.5px}.brand-badge{font-size:11px;font-weight:600;padding:2px 8px;background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border);border-radius:var(--radius-full)}.brand-sub{font-size:12px;color:var(--text-secondary)}.search-container{flex:1;max-width:520px;position:relative}.search-input-wrap{display:flex;align-items:center;background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-full);padding:8px 16px;transition:all .2s ease}.search-input-wrap:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #2563eb1f}.search-icon{width:18px;height:18px;color:var(--text-muted);margin-right:10px}.search-input{flex:1;border:none;background:transparent;font-size:14px;color:var(--text-main);outline:none}.search-input::placeholder{color:var(--text-muted)}.clear-search-btn{font-size:18px;color:var(--text-muted);padding:0 4px}.header-actions{display:flex;align-items:center;gap:12px}.nav-action-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-full);font-size:14px;font-weight:500;color:var(--text-secondary);background:var(--bg-subtle);border:1px solid var(--border-light);transition:all .2s ease}.nav-action-btn:hover{background:var(--bg-hover);color:var(--text-main);border-color:var(--border-hover)}.cart-action-btn{background:var(--primary);color:#fff;border-color:var(--primary)}.cart-action-btn:hover{background:var(--primary-hover);color:#fff;border-color:var(--primary-hover)}.action-count-badge{background:var(--price);color:#fff;font-size:11px;font-weight:700;padding:1px 7px;border-radius:var(--radius-full)}.main-body{max-width:1280px;margin:0 auto;padding:20px;width:100%}.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:16px 24px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.trust-item{display:flex;align-items:center;gap:12px}.trust-icon-box{width:40px;height:40px;border-radius:var(--radius-md);background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.trust-text-title{font-size:14px;font-weight:600;color:var(--text-main)}.trust-text-desc{font-size:12px;color:var(--text-secondary)}.hero-banner{background:linear-gradient(135deg,#fff,#f0f6ff);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px 48px;margin-bottom:28px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.hero-banner-content{max-width:600px;z-index:1}.hero-tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;color:var(--primary);background:var(--primary-light);border:1px solid var(--primary-border);padding:4px 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28px;border-radius:var(--radius-md);box-shadow:0 4px 14px #2563eb4d;transition:all .2s ease}.hero-buy-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.hero-image-wrap{width:320px;height:320px;border-radius:var(--radius-lg);background:#fff;padding:16px;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.hero-image{width:100%;height:100%;object-fit:contain;border-radius:var(--radius-md)}.category-tabs-wrap{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:10px 16px;margin-bottom:20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:10px;overflow-x:auto}.category-tab-btn{padding:8px 18px;font-size:14px;font-weight:500;border-radius:var(--radius-md);color:var(--text-secondary);background:transparent;white-space:nowrap;transition:all .15s ease}.category-tab-btn:hover{color:var(--primary);background:var(--primary-light)}.category-tab-btn.active{background:var(--primary);color:#fff;font-weight:600}.budget-tier-bar{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px 20px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.budget-tier-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.budget-tier-title{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-main)}.budget-tier-hint{font-size:12px;color:var(--text-muted)}.budget-chips-scroll{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.budget-chip{padding:6px 14px;font-size:13px;font-weight:500;border-radius:var(--radius-full);background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);white-space:nowrap;transition:all .15s ease}.budget-chip:hover{border-color:var(--primary);color:var(--primary)}.budget-chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.budget-chip.highlight{font-weight:600}.products-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.section-title-wrap{display:flex;align-items:baseline;gap:10px}.section-title{font-size:20px;font-weight:700;color:var(--text-main)}.product-count-label{font-size:13px;color:var(--text-muted)}.sort-select-wrap{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.sort-select{padding:6px 12px;border:1px solid var(--border-light);border-radius:var(--radius-md);background:#fff;font-size:13px;color:var(--text-main);outline:none}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:40px}.product-card{background:#fff;border:1px solid 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8px;border-radius:var(--radius-sm);background:#11182799;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.product-card-body{padding:16px;display:flex;flex-direction:column;flex:1}.product-category-label{font-size:11px;font-weight:600;color:var(--primary);margin-bottom:4px}.product-title{font-size:15px;font-weight:600;color:var(--text-main);line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:42px}.product-subtitle{font-size:12px;color:var(--text-secondary);line-height:1.4;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.product-card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid #F3F4F6}.product-price-box{display:flex;align-items:baseline;color:var(--price);font-weight:700}.price-currency{font-size:14px;margin-right:2px}.price-integer{font-size:22px;line-height:1}.price-decimal{font-size:13px}.card-buy-btn{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border);padding:6px 14px;border-radius:var(--radius-md);font-size:13px;font-weight:600;transition:all .2s ease}.card-buy-btn:hover{background:var(--primary);color:#fff}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#11182780;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{background:#fff;border-radius:var(--radius-lg);max-width:820px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #00000026;position:relative;display:flex;flex-direction:column}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:10}.modal-header-title{font-size:18px;font-weight:700;color:var(--text-main)}.modal-close-btn{font-size:22px;color:var(--text-muted);width:32px;height:32px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:all .15s ease}.modal-close-btn:hover{background:var(--bg-hover);color:var(--text-main)}.product-detail-layout{display:grid;grid-template-columns:360px 1fr;gap:28px;padding:24px}.detail-img-box{width:100%;height:360px;border-radius:var(--radius-md);border:1px solid 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10px;font-size:13px}.spec-key{color:var(--text-secondary);width:100px;font-weight:500}.spec-val{color:var(--text-main);font-weight:500}.detail-actions-row{display:flex;gap:12px;margin-top:auto}.btn-secondary{flex:1;padding:12px 20px;border:1px solid var(--border-light);border-radius:var(--radius-md);font-size:15px;font-weight:600;color:var(--text-main);background:var(--bg-subtle);transition:all .2s ease}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-hover)}.btn-primary-action{flex:1;padding:12px 20px;border-radius:var(--radius-md);font-size:15px;font-weight:600;color:#fff;background:var(--primary);box-shadow:0 4px 12px #2563eb40;transition:all .2s ease}.btn-primary-action:hover{background:var(--primary-hover)}.cart-drawer-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#11182780;z-index:1000;display:flex;justify-content:flex-end}.cart-drawer{width:440px;max-width:100%;height:100%;background:#fff;box-shadow:-4px 0 25px #00000026;display:flex;flex-direction:column}.cart-drawer-header{padding:18px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}.cart-drawer-title{font-size:18px;font-weight:700}.cart-drawer-body{flex:1;overflow-y:auto;padding:20px}.cart-empty-hint{text-align:center;padding:60px 20px;color:var(--text-muted)}.cart-item-card{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border-light)}.cart-item-thumb{width:72px;height:72px;object-fit:cover;border-radius:var(--radius-md);border:1px solid var(--border-light);flex-shrink:0}.cart-item-details{flex:1;display:flex;flex-direction:column}.cart-item-title{font-size:14px;font-weight:600;line-height:1.3;margin-bottom:4px}.cart-item-price{font-size:15px;font-weight:700;color:var(--price);margin-top:4px}.cart-item-controls{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.qty-counter{display:flex;align-items:center;border:1px solid var(--border-light);border-radius:var(--radius-sm);background:var(--bg-subtle)}.qty-btn{padding:2px 10px;font-size:15px;color:var(--text-secondary)}.qty-num{padding:2px 8px;font-size:13px;font-weight:600}.cart-drawer-footer{padding:20px 24px;border-top:1px solid var(--border-light);background:var(--bg-subtle)}.cart-summary-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.cart-total-price{font-size:24px;font-weight:800;color:var(--price)}.checkout-btn{width:100%;padding:14px;background:var(--primary);color:#fff;border-radius:var(--radius-md);font-size:16px;font-weight:600;box-shadow:0 4px 14px #2563eb4d;transition:all .2s ease}.checkout-btn:hover{background:var(--primary-hover)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-main);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border-light);border-radius:var(--radius-md);font-size:14px;color:var(--text-main);background:#fff;outline:none;transition:border-color .2s ease}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.mall-footer{background:#fff;border-top:1px solid var(--border-light);margin-top:auto;padding:40px 20px 30px}.footer-container{max-width:1280px;margin:0 auto}.footer-guarantees{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-bottom:30px;border-bottom:1px solid 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ease}.icp-link:hover{color:var(--primary)}.footer-copyright{font-size:12px;color:var(--text-muted);margin-top:4px}@media(max-width:992px){.hero-banner{flex-direction:column-reverse;padding:28px;text-align:center}.hero-banner-content{max-width:100%}.hero-actions-row,.hero-pills{justify-content:center}.trust-bar,.footer-guarantees{grid-template-columns:repeat(2,1fr)}.product-detail-layout{grid-template-columns:1fr}.detail-img-box{height:280px}}@media(max-width:640px){.header-container{flex-wrap:wrap}.search-container{order:3;max-width:100%;width:100%}.trust-bar{grid-template-columns:1fr;padding:14px}.footer-guarantees{grid-template-columns:1fr}.products-grid{grid-template-columns:repeat(2,1fr);gap:12px}.product-title{font-size:13px;height:36px}.price-integer{font-size:18px}.card-buy-btn{padding:4px 10px;font-size:12px}}.auth-tab-row{display:flex;border-bottom:1px solid var(--border-light);margin-bottom:20px}.auth-tab-btn{flex:1;padding:12px;text-align:center;font-size:15px;font-weight:600;color:var(--text-secondary);border-bottom:2px solid transparent;transition:all .2s}.auth-tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.captcha-row{display:flex;gap:10px;align-items:center}.captcha-box{background:#e2e8f0;border-radius:var(--radius-md);padding:8px 14px;font-family:monospace;font-size:16px;font-weight:700;letter-spacing:3px;color:#1e293b;-webkit-user-select:none;user-select:none;cursor:pointer}.support-float-btn{position:fixed;right:24px;bottom:28px;z-index:900;background:#2563eb;color:#fff;padding:10px 18px;border-radius:var(--radius-full);display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px #2563eb59;font-size:14px;font-weight:600;cursor:pointer;transition:all .25s ease;border:2px solid #FFFFFF}.support-float-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 28px #2563eb73}.support-online-dot{width:8px;height:8px;background:#10b981;border-radius:50%;box-shadow:0 0 0 2px #10b9814d}.support-chat-panel{position:fixed;right:24px;bottom:84px;width:380px;max-width:calc(100vw - 32px);height:540px;max-height:calc(100vh - 110px);background:#fff;border-radius:var(--radius-lg);box-shadow:0 12px 35px #0000002e;border:1px solid var(--border-light);z-index:950;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .25s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-panel-header{padding:14px 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#E5E7EB;border-top-left-radius:2px}.chat-bubble.user{background:#2563eb;color:#fff;border-top-right-radius:2px}.chat-faq-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chat-faq-chip{font-size:12px;background:#eff6ff;color:#2563eb;border:1px solid #BFDBFE;padding:4px 10px;border-radius:var(--radius-full);cursor:pointer;transition:all .15s ease}.chat-faq-chip:hover{background:#2563eb;color:#fff}.chat-input-bar{padding:12px;border-top:1px solid var(--border-light);background:#fff;display:flex;gap:8px}.chat-input{flex:1;border:1px solid var(--border-light);border-radius:var(--radius-md);padding:8px 12px;font-size:13px;outline:none}.chat-input:focus{border-color:#2563eb}.chat-send-btn{background:#2563eb;color:#fff;padding:8px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:600}