*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:#222;background:#f8fafc}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.header-flex{display:flex;justify-content:space-between;align-items:center;height:64px}.site-header{background:#fff;box-shadow:0 2px 15px rgba(0,0,0,.05);position:sticky;top:0;z-index:100}.logo a{font-size:1.7rem;font-weight:700;text-decoration:none;color:#222}.logo span{color:#1e7e6c}.hamburger{display:none;flex-direction:column;justify-content:space-around;width:30px;height:30px;background:0 0;border:none;cursor:pointer;padding:0}.hamburger span{width:30px;height:3px;background:#222;border-radius:5px;transition:all .3s}.main-nav ul{display:flex;list-style:none;gap:32px}.main-nav a{text-decoration:none;color:#333;font-weight:500;transition:color .2s}.main-nav a:hover{color:#1e7e6c}@media (max-width:768px){.hamburger{display:flex}.main-nav{position:fixed;top:64px;left:-100%;width:80%;height:100vh;background:#fff;box-shadow:2px 0 10px rgba(0,0,0,.1);transition:left .3s ease;padding:24px}.main-nav.active{left:0}.main-nav ul{flex-direction:column;gap:16px}}.hero{padding:60px 0;background:linear-gradient(145deg,#fff 0,#f2f9f7 100%);border-radius:0 0 30px 30px;margin-bottom:32px;text-align:center}.hero h1{font-size:2.4rem;font-weight:800;line-height:1.2;margin-bottom:16px}.hero .highlight{color:#1e7e6c}.hero p{font-size:1.2rem;color:#2d4a4a}.filter-bar{margin:32px 0 24px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:2rem;align-items:center}.filter-btn{padding:8px 20px;border:1.5px solid #e0e7e7;background:#fff;border-radius:40px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s;color:#2d4a4a}.filter-btn.active,.filter-btn:hover{background:#1e7e6c;border-color:#1e7e6c;color:#fff}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin:32px 0 48px}.product-card{background:#fff;border-radius:20px;padding:20px;box-shadow:0 8px 20px rgba(0,40,30,.08);transition:transform .2s;border:1px solid #eef6f4}.product-card:hover{box-shadow:0 16px 30px rgba(18,97,81,.12)}.product-card h3{font-size:1.4rem;margin-bottom:6px;color:#0f2e28}.product-desc{color:#4d6b63;font-size:.95rem;margin-bottom:16px;line-height:1.4}.product-meta{display:flex;justify-content:space-between;align-items:center;margin:16px 0;background:#f3f9f7;padding:10px 12px;border-radius:16px}.stock{color:#1e7e6c;font-weight:600;font-size:.95rem}.price{font-weight:800;font-size:1.5rem;color:#0b302a}.price small{font-size:1.1rem;font-weight:700;color:#6e8b83}.buy-link{display:block;background:#1e7e6c;color:#fff;text-align:center;padding:12px;border-radius:40px;font-weight:600;text-decoration:none;transition:background .2s;margin-top:12px}.buy-link:hover{background:#0f5f4f}.section-title{font-size:2rem;font-weight:700;margin:48px 0 16px;color:#0b2b24;position:relative;padding-bottom:12px}.section-title:after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:4px;background:#1e7e6c;border-radius:2px}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin:32px 0 48px}.why-item{text-align:center;background:#fff;padding:32px 16px;border-radius:32px;box-shadow:0 4px 12px rgba(0,0,0,.02);border:1px solid #deede9}.why-item h3{font-size:1.5rem;color:#1e7e6c;margin-bottom:12px}.faq-list{max-width:800px;margin:0 auto}.faq-item{border-bottom:1px solid #d0e2dc;padding:20px 0}.faq-question{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.2rem;cursor:pointer;color:#0b3d34}.faq-question span{font-size:1.8rem;color:#1e7e6c;transition:transform .2s}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;color:#3c5b53;padding-right:30px}.faq-answer.show{max-height:250px;margin-top:16px}.footer{background:#0f2e28;color:#d6e9e3;text-align:center;padding:28px 0;margin-top:60px;border-radius:30px 30px 0 0}:root{--primary-green:#1e7e6c;--hover-green:#0f5f4f;--light-green:#e6f3ef;--bg-color:#f5f9f8;--card-bg:#ffffff;--text-primary:#0b2b24;--text-secondary:#3c5b53;--border-color:#d0e2dc;--price-red:#d14545;--success-green:#1e7e6c;--transition:all 0.3s ease;--card-radius:16px;--btn-radius:40px;--shadow:0 8px 20px rgba(18, 97, 81, 0.08);--shadow-hover:0 16px 30px rgba(18, 97, 81, 0.12)}.breadcrumb{margin:30px 0;font-size:.95rem;color:var(--text-secondary)}.breadcrumb a{color:var(--primary-green);text-decoration:none;font-weight:500;transition:var(--transition)}.breadcrumb a:hover{color:var(--hover-green);text-decoration:underline}.breadcrumb span{margin:0 8px;color:#a0c0b5}.product-d-detail{background:var(--card-bg);border-radius:var(--card-radius);padding:30px;box-shadow:var(--shadow);border:1px solid var(--border-color);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-d-info{border:none}.product-d-title{font-size:2rem;font-weight:700;margin-bottom:16px;color:var(--text-primary);line-height:1.3}.product-d-price{font-size:2.5rem;font-weight:800;color:var(--price-red);margin-bottom:25px}.product-d-specs{margin-bottom:25px;background:var(--light-green);padding:16px;border-radius:24px}.spec-row{display:flex;padding:12px 0;border-bottom:1px solid rgba(30,126,108,.15)}.spec-row:last-child{border-bottom:none}.spec-label{flex:0 0 140px;color:var(--text-secondary);font-weight:500;display:flex;align-items:center;gap:8px}.spec-label i{color:var(--primary-green);width:20px}.spec-value{flex:1;font-weight:600;color:var(--text-primary)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.5rem;font-weight:700;margin-bottom:25px;color:var(--text-primary)}.option-title i{color:var(--primary-green);margin-right:10px}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:10px;color:var(--text-secondary);font-weight:600;font-size:.95rem}.required{color:var(--price-red)}.email-input{width:100%;padding:14px 18px;border:1.5px solid var(--border-color);border-radius:var(--btn-radius);font-size:1rem;transition:var(--transition);background:var(--card-bg)}.email-input:focus{outline:0;border-color:var(--primary-green);box-shadow:0 0 0 4px rgba(30,126,108,.1)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:5px}.quantity-selector{display:flex;align-items:center;background:#fff;border-radius:var(--btn-radius);border:1.5px solid var(--border-color);overflow:hidden;transition:var(--transition);max-width:160px}.quantity-selector:focus-within{border-color:var(--primary-green);box-shadow:0 0 0 4px rgba(30,126,108,.1)}.quantity-btn{width:44px;height:44px;line-height:44px;border:none;background:var(--light-green);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:rgba(30,126,108,.15)}.quantity-btn:disabled{opacity:.5;cursor:not-allowed}.quantity-input{flex:1;height:44px;text-align:center;border:none;background:0 0;font-size:1rem;font-weight:600;color:var(--text-primary);outline:0;min-width:60px}.quantity-input::-webkit-inner-spin-button,.quantity-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.quantity-input[type=number]{-moz-appearance:textfield}.payment-section{margin-bottom:20px}.payment-label{font-size:.95rem;color:var(--text-primary);margin-bottom:8px;font-weight:600}.payment-methods{display:flex;gap:10px;flex-wrap:wrap}.payment-method{flex:1;min-width:120px;padding:15px 8px;border:1.5px solid var(--border-color);border-radius:24px;background:#fff;cursor:pointer;transition:var(--transition);text-align:center;font-size:.85rem;font-weight:600}.payment-method.selected,.payment-method:hover{border-color:var(--primary-green);background:var(--light-green)}.payment-method input[type=radio]{display:none}.payment-icon{margin-bottom:8px}.payment-icon img{border-radius:12px}.total-price{background:var(--light-green);padding:18px 20px;border-radius:40px;margin-bottom:25px;display:flex;justify-content:space-between;align-items:center}.total-label{font-size:1rem;color:var(--text-primary);font-weight:600;display:flex;align-items:center;gap:8px}.total-label i{color:var(--primary-green)}.total-amount{font-size:2rem;font-weight:800;color:var(--primary-green)}.action-buttons{display:flex;gap:15px}.btn{padding:16px 28px;border:none;border-radius:var(--btn-radius);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:600;flex:1;text-align:center;text-decoration:none;display:inline-block}.btn-primary{background:linear-gradient(145deg,var(--primary-green),var(--hover-green));color:#fff;box-shadow:0 4px 12px rgba(30,126,108,.3)}.btn-primary:hover{box-shadow:var(--shadow-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:linear-gradient(135deg,#f5f7fa,#e9ecef);color:var(--text-primary)}.btn-secondary:hover{background:linear-gradient(135deg,#e9ecef,#dee2e6)}.product-d-description{grid-column:1/-1;margin-top:30px;background:var(--light-green);padding:30px;border-radius:32px}.description-d-title{font-size:1.8rem;margin-bottom:25px;color:var(--text-primary);display:flex;align-items:center;gap:10px;font-weight:700}.description-d-title i{color:var(--primary-green)}.description-d-content{line-height:1.8;color:var(--text-secondary)}.description-d-content p{margin-bottom:20px;font-size:1.05rem;line-height:1.8}.description-d-content ol,.description-d-content ul{margin:20px 0;padding-left:25px}.description-d-content li{margin-bottom:10px;line-height:1.6}.description-d-content h3{font-size:1.4rem;color:var(--text-primary);margin:30px 0 20px;font-weight:700;display:flex;align-items:center;gap:10px}.description-d-content strong{color:var(--text-primary)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0}.feature-item{display:flex;align-items:center;gap:12px;padding:16px 20px;background:rgba(30,126,108,.05);border-radius:40px;border:1px solid rgba(30,126,108,.1)}.feature-icon{color:var(--success-green);font-size:1.2rem}.security-notice{background:var(--light-green);padding:24px;border-radius:32px;margin-top:30px;display:flex;align-items:center;gap:15px;border:1px solid var(--border-color)}.security-icon{font-size:1.8rem;color:var(--primary-green)}.security-text{flex:1;color:var(--text-primary);font-size:.95rem;line-height:1.6}.related-products{margin-bottom:80px}.section-title{font-size:2rem;font-weight:800;margin-bottom:16px;text-align:center;color:var(--text-primary)}.section-title i{color:var(--primary-green);margin-right:12px}.section-subtitle{font-size:1.1rem;color:var(--text-secondary);text-align:center;margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.product-card{background:var(--card-bg);border-radius:var(--card-radius);padding:24px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-color);display:flex;flex-direction:column}.product-card:hover{box-shadow:var(--shadow-hover)}.product-card-title{font-size:1.3rem;font-weight:700;margin-bottom:12px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.product-card-description{color:var(--text-secondary);margin-bottom:20px;font-size:.95rem;line-height:1.6;flex-grow:1}.product-card-price{color:var(--price-red);font-weight:700;font-size:1.5rem;margin-bottom:20px;flex-grow:0}.product-card-action{flex-grow:0}.product-card-action .btn{background:var(--light-green);color:var(--primary-green);border:1.5px solid var(--primary-green);padding:12px 20px;font-size:.95rem}.product-card-action .btn:hover{background:var(--primary-green);color:#fff}.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(11,43,36,.8);z-index:2000;opacity:0;transition:opacity .3s ease}.modal-overlay.active{display:flex;align-items:center;justify-content:center;opacity:1}.modal-content{background:#fff;border-radius:32px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:0 25px 50px rgba(11,43,36,.25)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:25px 30px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:700;color:var(--text-primary);gap:10px;font-size:24px;display:flex;align-items:center}.modal-title i{color:var(--primary-green)}.close-btn{font-size:24px;width:44px;height:44px;border:none;background:var(--light-green);border-radius:50%;cursor:pointer;justify-content:center;color:var(--text-primary);transition:all .3s;display:flex;align-items:center}.close-btn:hover{background:var(--primary-green);color:#fff;transform:rotate(90deg)}.modal-body{padding:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.order-summary{background:var(--light-green);padding:25px;border-radius:24px}.summary-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:20px;gap:8px;display:flex;align-items:center}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(30,126,108,.1)}.summary-row:last-child{border-bottom:none;padding-top:15px;margin-top:5px;border-top:2px solid var(--primary-green)}.summary-label{width:120px;color:var(--text-secondary);font-size:14px;font-weight:500}.summary-value{font-weight:600;color:var(--text-primary)}.summary-value.total{font-size:24px;color:var(--primary-green);font-weight:800}.payment-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:15px;display:flex;align-items:center;gap:8px}.selected-payment{background:var(--light-green);border:2px solid var(--primary-green);padding:15px;border-radius:20px;display:flex;align-items:center;gap:15px;margin-bottom:20px}.selected-payment .payment-icon{font-size:2rem;color:var(--primary-green)}.qr-section{text-align:center;padding:20px;margin-bottom:20px}.qr-code{width:200px;height:200px;margin:0 auto 15px;background:#fff;padding:10px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-secondary);border:1.5px solid var(--border-color)}.address-section{background:#fff;border:1.5px solid var(--border-color);border-radius:20px;padding:15px;margin-bottom:15px;position:relative}.address-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:5px}.address-value{font-size:14px;word-break:break-all;color:var(--text-primary);line-height:1.4;padding-right:40px;width:85%}.copy-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:var(--primary-green);color:#fff;border:none;padding:8px 16px;border-radius:40px;font-size:13px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:5px}.copy-btn:hover{background:var(--hover-green)}.btn-confirm{background:linear-gradient(145deg,var(--primary-green),var(--hover-green));color:#fff;padding:16px 25px;border:none;border-radius:var(--btn-radius);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:600;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 12px rgba(30,126,108,.3)}.btn-confirm:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-hover)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:rgba(209,69,69,.1);padding:20px;border-radius:24px;margin-bottom:25px;text-align:center}.countdown-title{font-size:14px;color:var(--price-red);margin-bottom:10px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:5px}.countdown-timer{font-size:36px;font-weight:700;color:var(--price-red);font-family:Courier New,monospace;letter-spacing:2px}.countdown-hint{font-size:12px;color:var(--price-red);margin-top:8px}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#fff;color:#fff;border-radius:16px;box-shadow:0 10px 30px rgba(11,43,36,.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:var(--success-green)}.toast.error{background:var(--price-red)}.toast.warning{background:linear-gradient(135deg,#fffbeb,#fef3c7);color:var(--text-primary)}.toast.info{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:var(--text-primary)}.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 16px 16px;transform-origin:left;animation:progress linear}.toast.success .toast-progress{background:var(--success-green)}.toast.error .toast-progress{background:var(--price-red)}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.breadcrumb{margin:20px 0}.product-d-detail{grid-template-columns:1fr;gap:20px}.feature-list{grid-template-columns:1fr}.action-buttons{flex-direction:column}.payment-methods{display:grid;grid-template-columns:repeat(2,1fr)}.payment-method{min-width:auto}.modal-body{grid-template-columns:1fr;gap:20px}.product-grid{grid-template-columns:1fr}}@media (max-width:480px){.product-d-title{font-size:1.6rem}.product-d-price{font-size:2rem}.spec-label{flex:0 0 110px;font-size:.9rem}.spec-value{font-size:.9rem}.description-d-title{font-size:1.4rem}.modal-content{width:95%;max-height:95vh;margin:10px}.modal-header{padding:20px}.modal-title{font-size:20px}.modal-body{padding:20px}.address-value{font-size:12px}}