:root{--primary-color:#1a73e8;--primary-dark:#0d5bb8;--primary-light:#5e9cf8;--primary-ultralight:#e8f0fe;--secondary-color:#f8f9fa;--accent-color:#ff6d00;--text-dark:#202124;--text-light:#5f6368;--white:#ffffff;--shadow:0 4px 12px rgba(26, 115, 232, 0.12);--shadow-hover:0 8px 24px rgba(26, 115, 232, 0.18);--border-radius:16px;--card-radius:20px}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}body{background-color:var(--white);color:var(--text-dark);line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit;transition:all .3s ease}ul{list-style:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.mobile-menu-header{display:none}.btn{padding:14px 32px;background-color:var(--primary-color);color:var(--white);border:none;border-radius:50px;cursor:pointer;transition:all .3s ease;font-weight:600;font-size:1rem;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.btn:hover::before{left:100%}.btn:hover{background-color:var(--primary-dark);box-shadow:var(--shadow-hover)}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background-color:var(--primary-color);color:var(--white)}.btn-more{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;padding:16px 40px;font-size:1.1rem;font-weight:700;margin-top:40px;box-shadow:0 6px 20px rgba(26,115,232,.3)}.btn-more:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(26,115,232,.4)}.section{padding:100px 0}.section-title{text-align:center;margin-bottom:60px}.section-title h2{font-size:2.8rem;color:var(--text-dark);margin-bottom:20px;position:relative;display:inline-block}.section-title h2:after{content:'';position:absolute;bottom:-15px;left:50%;transform:translateX(-50%);width:100px;height:5px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));border-radius:3px}.section-title p{color:var(--text-light);font-size:1.2rem;max-width:700px;margin:0 auto;line-height:1.8}header{background-color:var(--white);box-shadow:0 2px 20px rgba(26,115,232,.1);position:sticky;top:0;z-index:1000}.navbar{display:flex;justify-content:space-between;align-items:center;padding:20px 0}.logo{display:flex;align-items:center}.logo img{height:48px;margin-right:15px}.logo-text{font-size:1.8rem;font-weight:700;color:var(--primary-color)}.nav-menu{display:flex;align-items:center}.nav-menu li{margin-left:35px}.nav-menu a{color:var(--text-dark);font-weight:500;padding:10px 0;position:relative}.nav-menu a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:3px;background-color:var(--primary-color);border-radius:2px;transition:width .3s ease}.nav-menu a.active::after,.nav-menu a:hover::after{width:100%}.nav-menu a.active,.nav-menu a:hover{color:var(--primary-color)}.menu-toggle{display:none;font-size:1.5rem;cursor:pointer;color:var(--text-dark)}.category-toggle{background-color:var(--primary-color);color:var(--white);padding:3px 15px;border-radius:50px;display:flex;align-items:center;cursor:pointer;transition:all .3s;font-weight:500;box-shadow:var(--shadow)}.category-toggle:hover{background-color:var(--primary-dark)}.category-toggle i{margin-right:8px;font-size:1.1rem}.auth-buttons{display:none;align-items:center}.auth-buttons .btn{margin-left:15px;padding:10px 24px}.auth-buttons .logout-btn{display:none;margin-left:8px;padding:6px 15px;font-weight:400;font-size:12px}.hero{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-dark) 100%);color:var(--white);padding:100px 0;text-align:center;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(255,255,255,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.15) 1px,transparent 1px);background-size:50px 50px;animation:gridMove 20s linear infinite}@keyframes gridMove{0%{transform:translate(0,0)}100%{transform:translate(50px,50px)}}.hero-content{position:relative;z-index:1;max-width:900px;margin:0 auto}.hero h1{font-size:3.5rem;margin-bottom:25px;font-weight:700;line-height:1.2}.hero p{font-size:1.4rem;opacity:.9;max-width:700px;margin-left:auto;margin-right:auto}.services-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px}.service-card{background:var(--white);border-radius:var(--card-radius);padding:40px 30px;box-shadow:var(--shadow);transition:all .4s ease;position:relative;overflow:hidden;border:1px solid rgba(26,115,232,.1);display:flex;flex-direction:column}.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:5px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.service-card:hover{box-shadow:var(--shadow-hover)}.service-header{display:flex;align-items:center;margin-bottom:25px}.service-icon-wrapper{width:70px;height:70px;border-radius:20px;background:var(--primary-ultralight);display:flex;align-items:center;justify-content:center;margin-right:20px;color:var(--primary-color);font-size:2rem}.service-title{font-size:1.6rem;font-weight:700;color:var(--text-dark)}.service-content p{color:var(--text-light);margin-bottom:20px;font-size:1.1rem;line-height:1.7}.service-tags{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0 0}.service-tag{display:inline-flex;align-items:center;padding:8px 16px;background-color:var(--primary-ultralight);color:var(--primary-color);border-radius:50px;font-size:.9rem;font-weight:500;transition:all .3s ease;border:1px solid rgba(26,115,232,.2)}.service-tag:hover{background-color:var(--primary-color);color:var(--white)}.service-tag i{margin-right:6px;font-size:.8rem}.service-footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center}.service-price{font-size:1.4rem;font-weight:700;color:var(--primary-color)}.more-container{text-align:center;margin-top:50px}footer{background-color:var(--text-dark);color:var(--white)}.copyright{text-align:center;padding:20px 0;font-size:.9rem;color:#b0b3b8}.category-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);display:none;justify-content:center;align-items:center;z-index:2000}.category-modal{background-color:var(--white);width:90%;max-width:700px;border-radius:var(--border-radius);padding:25px;position:relative;box-shadow:0 25px 50px rgba(0,0,0,.2);animation:modalFadeIn .4s ease;overflow-y:auto}@keyframes modalFadeIn{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.close-modal{position:absolute;top:15px;right:15px;font-size:1.5rem;cursor:pointer;color:var(--text-light);transition:color .3s;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%}.close-modal:hover{color:var(--primary-color);background-color:rgba(26,115,232,.1)}.category-modal-name{color:var(--text-dark);margin-bottom:10px}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:20px}.category-card{padding:20px 15px;border-radius:var(--card-radius);color:#fff;display:flex;flex-direction:column;height:160px;transition:all .4s ease;box-shadow:var(--shadow);position:relative;overflow:hidden}.category-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.1) 0,rgba(255,255,255,0) 100%)}.sky-blue{background:linear-gradient(135deg,#1a73e8,#5e9cf8)}.turquoise-water{background:linear-gradient(135deg,#0d8a4f,#4caf50)}.orange{background:linear-gradient(135deg,#e65100,#ff9800)}.carmine{background:linear-gradient(135deg,#b71c1c,#f44336)}.category-header{display:flex;align-items:center}.category-icon{font-size:1.5rem;margin-right:10px;position:relative;z-index:1}.category-title{font-size:1.2rem;font-weight:700;position:relative;z-index:1}.category-desc{font-size:.85rem;margin:15px 0;position:relative;z-index:1;opacity:.9;line-height:1.4}.category-btn{background-color:rgba(255,255,255,.25);color:#fff;border:1px solid rgba(255,255,255,.4);padding:6px 12px;border-radius:50px;text-align:center;transition:all .3s;font-weight:500;position:relative;z-index:1;backdrop-filter:blur(5px);font-size:.8rem}.category-btn:hover{background-color:#fff;color:#333}#mobileLoginBtn{color:#fff}.scroll-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;line-height:50px;text-align:center;background:var(--primary-color);color:#fff;border-radius:50%;cursor:pointer;box-shadow:var(--shadow-hover);transition:all .3s ease;z-index:999;display:none;font-size:1.2rem}.scroll-to-top:hover{background:var(--primary-dark)}.login-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);display:none;justify-content:center;align-items:center;z-index:2000}.login-modal{background-color:var(--white);width:90%;max-width:450px;border-radius:var(--border-radius);padding:40px 30px;position:relative;box-shadow:0 25px 50px rgba(0,0,0,.2);animation:modalFadeIn .4s ease;max-height:90vh;overflow-y:auto}.close-login-modal{position:absolute;top:15px;right:15px;font-size:1.5rem;cursor:pointer;color:var(--text-light);transition:color .3s;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%}.close-login-modal:hover{color:var(--primary-color);background-color:rgba(26,115,232,.1)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:var(--text-dark);font-weight:500}.form-group input{width:100%;padding:12px 15px;border:2px solid #ddd;border-radius:8px;font-size:1rem;transition:border-color .3s}.form-group input:focus{border-color:var(--primary-color);outline:0}.form-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.auth-switch,.forgot-password{color:var(--primary-color);font-size:.9rem}.auth-switch:hover,.forgot-password:hover{text-decoration:underline}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#fff;color:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.15);padding:16px 20px;margin-bottom:10px;min-width:300px;max-width:400px;display:flex;align-items:center;transform:translateX(100%);opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);pointer-events:auto;position:relative}.toast.show{transform:translateX(0);opacity:1}.toast.success{background:#28a745}.toast.error{background:#ef4444}.toast.warning{border-left-color:#f59e0b;background:linear-gradient(135deg,#fffbeb,#fef3c7)}.toast.info{border-left-color:#3b82f6;background:linear-gradient(135deg,#eff6ff,#dbeafe)}.toast.info .toast-icon{color:#3b82f6}.toast-icon{margin-right:12px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:600;font-size:14px;margin-bottom:2px;color:#374151}.toast-message{font-size:13px;line-height:1.4}.toast-close{position:absolute;top:8px;right:8px;background:0 0;border:none;font-size:18px;color:#fff;cursor:pointer;padding:4px;line-height:1;opacity:.7;transition:opacity .2s}.toast-close:hover{opacity:1}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:rgba(0,0,0,.1);border-radius:0 0 8px 8px;transform-origin:left;animation:progress linear}.toast.success .toast-progress{background:#10b981}.toast.error .toast-progress{background:#ef4444}.toast.warning .toast-progress{background:#f59e0b}.toast.info .toast-progress{background:#3b82f6}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:992px){.services-showcase{grid-template-columns:1fr}.hero h1{font-size:3rem}.hero p{font-size:1.2rem}}@media (max-width:768px){.nav-menu{position:fixed;top:0;left:-100%;background-color:var(--white);width:85%;height:100vh;flex-direction:column;align-items:flex-start;padding:30px;box-shadow:2px 0 20px rgba(0,0,0,.1);transition:left .4s ease;z-index:999;overflow-y:auto}.nav-menu.active{left:0}.mobile-menu-header{display:flex;align-items:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid rgba(0,0,0,.1);width:100%}.mobile-menu-header .logo{margin-right:auto}.mobile-menu-header .close-menu{font-size:1.5rem;cursor:pointer;color:var(--text-dark)}.nav-menu li{margin:0 0 20px 0;width:100%}.nav-menu a{display:block;padding:12px 0;font-size:1.1rem;border-bottom:1px solid rgba(0,0,0,.05)}.nav-menu a::after{display:none}.menu-toggle{display:block}.category-toggle{padding:12px 0;justify-content:center}.auth-buttons{margin-left:auto}.hero{padding:60px 0}.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem}.section{padding:80px 0}.auth-buttons.desktop{display:none}.mobile-auth{display:block;margin-top:20px;width:100%}.mobile-auth .btn{width:100%;margin:10px 0}.category-grid{grid-template-columns:1fr;gap:12px;max-height:none;overflow:visible}.category-modal{width:95%;max-height:90vh;margin:10px;padding:15px;overflow:hidden}.category-card{height:120px;padding:12px 10px;min-height:100px}.category-header{margin-bottom:8px}.category-title{font-size:1rem}.category-desc{font-size:.75rem;margin:5px 0 8px 0;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.category-btn{padding:4px 10px;font-size:.7rem;margin-top:auto}.category-icon{font-size:1.2rem;margin-right:8px}}@media (min-width:769px){.mobile-auth{display:none}}@media (max-width:576px){.section{padding:70px 0}.logo-text{font-size:1.5rem}.logo img{height:40px}.service-header{flex-direction:column;text-align:center}.service-icon-wrapper{margin-right:0;margin-bottom:15px}.service-tags{justify-content:center}.service-footer{flex-direction:column;gap:15px}.login-modal{padding:30px 20px}.form-options{flex-direction:column;align-items:flex-start;gap:10px}}.a-main-content{display:flex;margin:40px 0;gap:30px}.a-category-sidebar{width:280px;background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:0;height:fit-content;position:sticky;top:100px;max-height:80vh;overflow-y:auto;display:flex;flex-direction:column}.a-category-sidebar::-webkit-scrollbar{width:6px}.a-category-sidebar::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:12px}.a-category-sidebar::-webkit-scrollbar-track{background:#f1f1f1;border-radius:12px}.a-category-header{position:sticky;top:0;background:var(--white);z-index:10;padding:25px 25px 15px 25px;border-bottom:2px solid var(--primary-ultralight);margin-bottom:0}.a-category-header h3{font-size:1.3rem;color:var(--text-dark);text-align:center}.a-category-list{flex:1;padding:0 25px;position:relative;min-height:200px}.a-category-list ul{list-style:none;margin:0;padding:20px 0}.a-category-list li{padding:14px 12px;cursor:pointer;transition:all .3s;border-radius:10px;margin-bottom:8px;font-size:1rem;display:flex;align-items:center;font-weight:500}.a-category-list li i{margin-right:12px;width:24px;text-align:center;font-size:1.1rem}.a-category-list li:hover{background-color:var(--primary-ultralight);color:var(--primary-color)}.a-category-list .active{background-color:var(--primary-color);color:var(--white);box-shadow:var(--shadow)}.a-product-area{flex:1}.a-page-title{font-size:2rem;margin-bottom:25px;color:var(--text-dark);padding-bottom:15px;border-bottom:2px solid var(--primary-ultralight)}.a-search-box{margin-bottom:25px}.a-search-box input{width:100%;padding:15px 20px;border:1px solid #e0e0e0;border-radius:50px;font-size:1rem;transition:all .3s;box-shadow:var(--shadow)}.a-search-box input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(26,115,232,.2)}.a-product-list{width:100%}.a-product-item{display:flex;align-items:center;padding:20px;border-radius:var(--border-radius);margin-bottom:15px;background:var(--white);box-shadow:var(--shadow);transition:all .3s ease;gap:20px}.a-product-item:hover{box-shadow:var(--shadow-hover)}.a-product-icon{width:69px;height:69px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff}.a-product-info{flex:1}.a-product-title{font-size:1.2rem;font-weight:700;color:var(--text-dark);margin-bottom:8px}.a-product-price{color:var(--accent-color);font-weight:700;font-size:1.3rem;margin:0 20px;white-space:nowrap}.product-actions{display:flex;align-items:center;gap:15px}.a-a-product-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.a-product-tag{background-color:var(--primary-ultralight);color:var(--primary-color);padding:4px 10px;border-radius:50px;font-size:.8rem;font-weight:500}.mobile-category-toggle{display:none;background-color:var(--primary-color);color:var(--white);padding:15px 20px;border-radius:50px;margin-bottom:20px;cursor:pointer;font-weight:600;box-shadow:var(--shadow);justify-content:center;align-items:center;width:100%}.mobile-category-toggle i{margin-right:10px;font-size:1.1rem}.a-category-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:1999}.a-category-overlay.active{display:block}.scroll-hint{position:sticky;bottom:0;left:0;width:100%;text-align:center;color:var(--text-light);font-size:.9rem;padding:15px 10px;background:linear-gradient(transparent,var(--white) 20px,var(--white));transition:all .3s ease;z-index:10;border-bottom-left-radius:var(--border-radius);border-bottom-right-radius:var(--border-radius)}.scroll-hint.hidden{opacity:0;transform:translateY(10px);pointer-events:none}.scroll-hint i{margin-right:5px;animation:bounce 2s infinite}@keyframes bounce{0%,100%,20%,50%,80%{transform:translateY(0)}40%{transform:translateY(-5px)}60%{transform:translateY(-3px)}}@media (max-width:768px){.a-main-content{flex-direction:column}.a-category-sidebar{display:none;position:fixed;top:0;left:0;width:85%;height:100%;background-color:var(--white);z-index:2000;overflow-y:auto;padding:0;box-shadow:2px 0 20px rgba(0,0,0,.1);transform:translateX(-100%);transition:transform .4s ease;max-height:100vh;border-radius:0}.a-category-sidebar.active{transform:translateX(0);display:flex}.a-category-header{position:sticky;top:0;padding:30px 25px 15px 25px}.mobile-category-toggle{display:flex;margin-top:25px}.a-product-item{flex-direction:column;align-items:flex-start;text-align:left;gap:15px}.a-product-icon{align-self:flex-start}.a-product-price{margin:0;align-self:flex-start}.product-actions{width:100%;justify-content:space-between}.a-product-info{width:100%}}@media (min-width:769px) and (max-width:1024px){.a-product-item{flex-wrap:wrap}.a-product-info{min-width:60%}.a-product-price{margin:0 15px}}@media (max-width:576px){.product-actions{flex-direction:column;width:100%;gap:10px}.btn{width:100%;justify-content:center}}.da-breadcrumb{background-color:var(--secondary-color);padding:15px 0;border-bottom:1px solid rgba(26,115,232,.1)}.da-breadcrumb-container{max-width:1200px;margin:0 auto;padding:0 20px}.da-breadcrumb-links{display:flex;list-style:none;align-items:center;flex-wrap:wrap}.da-breadcrumb-links li{margin-right:8px;font-size:14px;display:flex;align-items:center}.da-breadcrumb-links a{text-decoration:none;color:var(--primary-color);white-space:nowrap}.da-breadcrumb-links a:hover{text-decoration:underline}.da-breadcrumb-links .da-separator{color:var(--text-light);margin:0 5px}.da-breadcrumb-links .current{color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.da-product-detail{max-width:1200px;margin:30px auto;padding:0 20px}.da-product-container{display:flex;flex-direction:column;gap:30px;margin-bottom:40px}.da-product-main{display:flex;gap:40px;background:var(--white);border-radius:var(--card-radius);box-shadow:var(--shadow);padding:30px;border:1px solid rgba(26,115,232,.1)}.da-product-gallery{flex:1;display:flex;flex-direction:column;align-items:center;min-width:0}.da-main-image{width:100%;max-width:400px;border-radius:var(--border-radius);overflow:hidden}.da-product-info{flex:1;min-width:0}.da-product-title{font-size:24px;font-weight:700;margin-bottom:10px;color:var(--text-dark);word-wrap:break-word}.product-meta{display:flex;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:15px}.product-rating{display:flex;align-items:center}.rating-stars{color:#ffc107;margin-right:5px}.rating-count{color:var(--text-light);font-size:14px}.product-sales{color:var(--text-light);font-size:14px}.da-product-price{font-size:32px;font-weight:700;color:var(--accent-color);margin-bottom:20px}.da-form-group{margin-bottom:20px}.da-form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-dark)}.da-form-input{width:100%;padding:15px 20px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .3s;background:var(--white)}.da-form-input:focus{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 2px rgba(26,115,232,.2)}.da-quantity-selector{display:flex;align-items:center;margin-bottom:25px;flex-wrap:wrap;gap:10px}.quantity-label{font-weight:500;color:var(--text-dark)}.da-quantity-controls{display:flex;align-items:center;border:2px solid #e0e0e0;border-radius:8px;overflow:hidden;background:var(--white)}.da-quantity-btn{background:var(--primary-ultralight);border:none;width:51px;height:51px;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .3s}.da-quantity-btn:hover{background:var(--primary-light);color:var(--white)}.da-quantity-input{height:51px;border:none;text-align:center;font-size:16px;outline:0;background:var(--white)}.da-action-buttons{display:flex;gap:15px}.da-buy-now-btn{padding:14px 30px;border-radius:50px;font-size:16px;font-weight:600;cursor:pointer;transition:all 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0}.da-related-products{margin-top:50px}.da-section-title{font-size:22px;font-weight:700;margin-bottom:20px;color:var(--text-dark)}.da-products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.da-product-card{background:var(--white);border-radius:var(--card-radius);box-shadow:var(--shadow);overflow:hidden;transition:all .3s ease;border:1px solid rgba(26,115,232,.1)}.da-product-card:hover{box-shadow:var(--shadow-hover)}.da-product-card-image{height:180px;background:var(--primary-ultralight);display:flex;align-items:center;justify-content:center}.da-product-card-image img{width:100%;height:100%;object-fit:cover}.da-product-card-info{padding:20px}.da-product-card-title{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-dark);word-wrap:break-word}.da-product-card-price{font-size:18px;font-weight:700;color:var(--accent-color);margin-bottom:15px}.da-product-card-btn{display:inline-block;text-align:center;width:100%;padding:8px 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8px;border-radius:4px;font-size:.7rem;margin-left:10px}.s-service-section.hidden{display:none}.s-recharge-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:2000;justify-content:center;align-items:center}.s-recharge-modal.active{display:flex}.s-recharge-content{background:#fff;border-radius:var(--card-radius);width:90%;max-width:500px;box-shadow:0 10px 30px rgba(0,0,0,.3);overflow:hidden}.s-recharge-header{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;padding:20px;text-align:center}.s-recharge-header h2{margin:0;font-size:1.5rem}.s-recharge-body{padding:25px}.s-s-amount-input-group{margin-bottom:20px}.s-s-amount-input-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--text-dark)}.s-amount-input{width:100%;padding:12px 15px;border:2px solid #ddd;border-radius:8px;font-size:1.1rem;transition:all .3s}.s-amount-input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(26,115,232,.1)}.s-min-amount-hint{color:var(--text-light);font-size:.85rem;margin-top:5px}.s-s-payment-methods{margin-bottom:25px}.s-s-payment-methods h3{margin-bottom:15px;color:var(--text-dark)}.s-payment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}.s-payment-method{border:2px solid #ddd;border-radius:8px;padding:15px 10px;text-align:center;cursor:pointer;transition:all .3s;background:#fff}.s-payment-method:hover{border-color:var(--primary-color)}.s-payment-method.active{border-color:var(--primary-color);background:rgba(26,115,232,.1)}.s-payment-method.disabled{opacity:.5;cursor:not-allowed;position:relative}.s-payment-method.disabled::after{content:'维护中';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--accent-color);color:#fff;padding:2px 8px;border-radius:4px;font-size:.7rem;font-weight:600}.s-payment-method.disabled:hover{border-color:#ddd;transform:none}.s-payment-icon{font-size:1.5rem;margin-bottom:8px;color:var(--primary-color)}.s-payment-method.disabled .s-payment-icon{color:var(--text-light)}.s-payment-name{font-size:.85rem;font-weight:500}.s-payment-method.disabled .s-payment-name{color:var(--text-light)}.s-recharge-actions{display:flex;gap:10px}.s-confirm-recharge{flex:1;background:linear-gradient(135deg,var(--accent-color),#e65100);color:#fff;border:none;padding:12px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s}.s-confirm-recharge:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(255,109,0,.4)}.s-cancel-recharge{flex:1;background:var(--secondary-color);color:var(--text-dark);border:2px solid #ddd;padding:12px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s}.s-cancel-recharge:hover{background:#ddd}@media (max-width:1024px){.s-main-content{grid-template-columns:1fr}}@media (max-width:768px){.s-s-tabs-container{width:100%}.s-payment-grid{grid-template-columns:repeat(2,1fr)}.s-country-card{flex-direction:column;align-items:flex-start;gap:10px}.s-country-details{width:100%;justify-content:space-between}.s-buy-button{width:100%;margin-top:10px}}.s-country-list-container::-webkit-scrollbar{width:6px}.s-country-list-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.s-country-list-container::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.s-country-list-container::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.s-s-select-options::-webkit-scrollbar{width:4px}.s-s-select-options::-webkit-scrollbar-track{background:#f1f1f1}.s-s-select-options::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:2px}.sd-product-detail-section{min-height:calc(100vh - 400px)}.sd-product-detail-container{display:grid;grid-template-columns:1fr 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30px}.sd-product-category{margin-bottom:10px}.sd-sd-product-info-container{padding:30px;display:flex;flex-direction:column}.sd-product-title{font-size:2rem;font-weight:700;color:var(--text-dark);line-height:1.3;margin-bottom:20px}.sd-product-price{font-size:2.5rem;font-weight:700;color:var(--accent-color);margin-bottom:20px}.sd-purchase-form{margin-top:30px;background:#fff;padding:35px;border-radius:var(--card-radius);box-shadow:0 5px 20px rgba(0,0,0,.08);border:1px solid #f0f0f0}.sd-form-group{margin-bottom:20px}.sd-form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-dark)}.sd-form-input{width:100%;padding:15px 20px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:all .3s;background-color:var(--white)}.sd-form-input:focus{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(26,115,232,.2)}.sd-form-textarea{min-height:120px;resize:vertical}.sd-purchase-btn{width:100%;padding:18px;font-size:1.1rem;margin-top:10px}.sd-product-intro-section{background-color:var(--white);border-radius:var(--card-radius);padding:40px;margin-bottom:60px;border:1px solid #f0f0f0}.sd-section-title{font-size:1.8rem;font-weight:700;color:var(--text-dark);margin-bottom:30px;position:relative;padding-bottom:15px}.sd-section-title::after{content:'';position:absolute;left:0;bottom:0;width:60px;height:4px;background-color:var(--primary-color);border-radius:2px}.sd-intro-content{line-height:1.8;color:var(--text-light)}.sd-intro-content p{margin-bottom:20px}.sd-related-products-section{margin-bottom:60px}.sd-products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}@media (max-width:1200px){.sd-products-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:992px){.sd-products-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:576px){.sd-products-grid{grid-template-columns:1fr}}.sd-product-card{background:var(--white);border-radius:var(--card-radius);overflow:hidden;box-shadow:var(--shadow);transition:all .4s ease;display:flex;flex-direction:column;height:100%}.sd-product-card:hover{box-shadow:var(--shadow-hover)}.sd-product-image-container{height:180px;overflow:hidden;position:relative}.sd-product-image-container img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.sd-product-card:hover .sd-product-image-container img{transform:scale(1.05)}.sd-product-card-content{padding:25px;flex-grow:1;display:flex;flex-direction:column;justify-content:space-between}.sd-product-card-title{font-size:1.3rem;font-weight:700;color:var(--text-dark);line-height:1.4;margin-bottom:15px}.sd-product-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.sd-product-card-price{font-size:1.8rem;font-weight:700;color:var(--accent-color)}.sd-product-card-btn{padding:12px 24px;background:var(--primary-color);color:var(--white);border:none;border-radius:50px;cursor:pointer;transition:all .3s;font-weight:600;box-shadow:var(--shadow)}.sd-product-card-btn:hover{background:var(--primary-dark);transform:translateY(-2px)}.sd-product-category{max-width:110px;text-align:center;background-color:var(--primary-ultralight);color:var(--primary-color)}@media (max-width:768px){.sd-product-main-container{border-bottom:1px solid #f0f0f0}.sd-sd-product-info-container{padding:0 30px 30px}.sd-purchase-form{margin-top:0;background:unset;padding:0;border-radius:0;box-shadow:unset;border:0}.sd-product-title{font-size:1.6rem}.sd-product-price{font-size:2rem}.sd-sd-product-image-container{min-height:300px}.sd-section-title{font-size:1.5rem}}@media (max-width:576px){.sd-product-card-title{font-size:1.2rem}.sd-product-card-price{font-size:1.5rem}.sd-product-card-footer{flex-direction:column;align-items:flex-start;gap:15px}.sd-product-card-btn{width:100%;text-align:center}}.sd-quantity-selector{display:flex;align-items:center;margin-bottom:25px;flex-wrap:wrap;gap:10px}.sd-quantity-controls{display:flex;align-items:center;width:100%;border:2px solid #e0e0e0;border-radius:8px;overflow:hidden;background:var(--white)}.da-quantity-controls:focus-within,.sd-quantity-controls:focus-within{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(26,115,232,.2)}.sd-quantity-btn{background:var(--primary-ultralight);border:none;width:60px;height:51px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s}.sd-quantity-btn:hover{background:var(--primary-light);color:var(--white)}.sd-quantity-input{height:51px;border:none;text-align:center;outline:0;font-size:16px;background:var(--white);width:100%}.sim-products-section{padding:40px 0;min-height:calc(100vh - 400px)}.sim-filter-container{background-color:var(--white);border-radius:var(--border-radius);padding:25px;margin-bottom:40px;box-shadow:var(--shadow)}.sim-filter-tabs{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:25px}.sim-filter-tab{padding:10px 20px;background-color:var(--primary-ultralight);color:var(--primary-color);border-radius:50px;cursor:pointer;transition:all .3s;font-weight:500;border:1px solid transparent}.sim-filter-tab.active{background-color:var(--primary-color);color:var(--white)}.sim-filter-tab:hover:not(.active){border-color:var(--primary-color)}.sim-search-container{position:relative}.sim-search-input{width:100%;padding:15px 20px 15px 45px;border:1px solid #e0e0e0;border-radius:50px;font-size:1rem;transition:all .3s;background-color:var(--white)}.sim-search-input:focus{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(26,115,232,.2)}.sim-search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--text-light)}.sim-products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}@media (max-width:1200px){.sim-products-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:992px){.sim-products-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:576px){.sim-products-grid{grid-template-columns:1fr}}.sim-product-card{background:var(--white);border-radius:var(--card-radius);overflow:hidden;box-shadow:var(--shadow);transition:all .4s ease;display:flex;flex-direction:column;height:100%}.sim-product-card:hover{box-shadow:var(--shadow-hover)}.sim-product-image{width:100%;height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden}.sim-product-image img{width:100%;height:100%;object-fit:cover}.sim-product-info{padding:20px;flex-grow:1;display:flex;flex-direction:column}.sim-tag{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:500;margin-bottom:10px;display:inline-block;max-width:110px;text-align:center}.sim-product-category{background-color:var(--primary-ultralight);color:var(--primary-color)}.sim-product-card-title{font-size:1.2rem;font-weight:700;color:var(--text-dark);line-height:1.4;margin-bottom:15px}.sim-product-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.sim-product-price{font-size:1.8rem;font-weight:700;color:var(--accent-color)}.sim-product-card-btn{padding:10px 20px;background:var(--primary-color);color:var(--white);border:none;border-radius:50px;transition:all .3s;box-shadow:var(--shadow);text-align:center;font-weight:600}.sim-product-card-btn:hover{background:var(--primary-dark)}@media (max-width:768px){.sim-product-card-title{font-size:1.1rem}.sim-product-price{font-size:1.5rem}}@media (max-width:576px){.sim-product-card-footer{flex-direction:column;align-items:flex-start;gap:15px}.sim-product-card-btn{width:100%}}