.calc-page{
            --primary-blue: #4A90D9;
            --light-blue: #E8F4FC;
            --lighter-blue: #F5FAFD;
            --accent-blue: #2E7BC4;
            --text-dark: #333333;
            --text-gray: #666666;
            --white: #FFFFFF;
            --border-color: #D0E3F0;
            --shadow: 0 4px 15px rgba(74, 144, 217, 0.15);
            --green: #25D366;
        }.calc-page *{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }.calc-page{
            font-family: "Microsoft JhengHei", "PingFang HK", "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
            min-height: 100vh;
            color: var(--text-dark);
            line-height: 1.8;
        }.calc-page section[id]{
            scroll-margin-top: 105px;
        }.calc-page a{
            color: var(--accent-blue);
        }.calc-page a:focus-visible,.calc-page button:focus-visible,.calc-page select:focus-visible,.calc-page input:focus-visible{
            outline: 3px solid rgba(46, 123, 196, 0.35);
            outline-offset: 3px;
        }.calc-page .skip-link{
            position: fixed;
            top: 8px;
            left: 8px;
            z-index: 9999;
            transform: translateY(-150%);
            padding: 10px 16px;
            border-radius: 8px;
            background: var(--text-dark);
            color: var(--white);
            text-decoration: none;
        }.calc-page .skip-link:focus{
            transform: translateY(0);
        }.calc-page .container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }.calc-page header{
            background: var(--white);
            box-shadow: var(--shadow);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }.calc-page header .container{
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 22px;
            padding-top: 6px;
            padding-bottom: 6px;
        }.calc-page .logo{
            display: inline-flex;
            align-items: center;
            flex: 0 0 auto;
        }.calc-page .logo img{
            display: block;
            width: 230px;
            max-width: 38vw;
            height: auto;
        }.calc-page .site-nav{
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            align-items: center;
            gap: 4px;
        }.calc-page .site-nav a{
            padding: 7px 10px;
            border-radius: 8px;
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
        }.calc-page .site-nav a:hover,.calc-page .site-nav a[aria-current="page"]{
            background: var(--light-blue);
            color: var(--accent-blue);
        }.calc-page .site-nav .nav-cta{
            background: var(--green);
            color: #102e1d;
            padding-inline: 14px;
        }.calc-page .hero{
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
            color: var(--white);
            padding: 50px 20px;
            text-align: center;
            margin-bottom: 40px;
        }.calc-page .hero h1{
            font-size: 38px;
            margin-bottom: 15px;
        }.calc-page .hero p{
            font-size: 18px;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto;
        }.calc-page .breadcrumb{
            max-width: 1200px;
            margin: 0 auto 18px;
            font-size: 13px;
            opacity: 0.95;
        }.calc-page .breadcrumb a{
            color: var(--white);
        }.calc-page .hero-actions{
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 24px;
        }.calc-page .hero-actions a{
            padding: 10px 18px;
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 999px;
            color: var(--white);
            font-weight: 700;
            text-decoration: none;
        }.calc-page .hero-actions a:first-child{
            background: var(--white);
            color: var(--accent-blue);
        }.calc-page .calculator-lead{
            max-width: 780px;
            margin: 0 auto 30px;
            text-align: center;
            color: var(--text-gray);
        }.calc-page .answer-section{
            margin-bottom: 28px;
            padding: 30px;
            border: 1px solid var(--border-color);
            border-radius: 18px;
            background: var(--white);
            box-shadow: var(--shadow);
        }.calc-page .answer-section h2{
            color: var(--primary-blue);
            font-size: 28px;
            line-height: 1.35;
        }.calc-page .page-meta{
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            margin: 10px 0 20px;
            color: var(--text-gray);
            font-size: 13px;
        }.calc-page .direct-answer{
            padding: 18px 20px;
            border-left: 5px solid var(--accent-blue);
            border-radius: 10px;
            background: var(--lighter-blue);
            font-size: 16px;
        }.calc-page .answer-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
            gap: 14px;
            margin-top: 18px;
        }.calc-page .answer-card{
            padding: 18px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
        }.calc-page .answer-card strong{
            display: block;
            margin-bottom: 4px;
            color: var(--accent-blue);
            font-size: 18px;
        }.calc-page .answer-card p{
            color: var(--text-gray);
            font-size: 13px;
        }.calc-page .jump-nav{
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--border-color);
        }.calc-page .jump-nav a{
            padding: 6px 12px;
            border-radius: 999px;
            background: var(--light-blue);
            font-size: 13px;
            font-weight: 700;
            text-decoration: none;
        }.calc-page .trust-points{
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-top: 12px;
            list-style: none;
        }.calc-page .trust-points li{
            padding: 5px 11px;
            border-radius: 999px;
            background: var(--lighter-blue);
            color: var(--accent-blue);
            font-size: 13px;
            font-weight: 600;
        }.calc-page .calculator-section{
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }.calc-page .section-title{
            color: var(--primary-blue);
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--light-blue);
            display: flex;
            align-items: center;
            gap: 10px;
        }.calc-page .section-title .icon{
            font-size: 26px;
        }.calc-page .form-section{
            margin-bottom: 30px;
        }.calc-page .form-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }.calc-page .form-group{
            background: var(--lighter-blue);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }.calc-page .form-group label{
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
            font-size: 14px;
        }.calc-page .form-group select{
            width: 100%;
            padding: 10px 12px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: border-color 0.3s, box-shadow 0.3s;
            background: var(--white);
        }.calc-page .form-group input[type="date"]{
            width: 100%;
            padding: 10px 12px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            background: var(--white);
            font: inherit;
            font-size: 14px;
        }.calc-page .form-group select:focus{
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.2);
        }.calc-page .checkbox-section{
            background: var(--lighter-blue);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-bottom: 15px;
        }.calc-page .checkbox-section h3{
            font-size: 15px;
            margin-bottom: 12px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }.calc-page .checkbox-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 8px;
        }.calc-page .checkbox-item{
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px;
            background: var(--white);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid transparent;
            font-size: 13px;
        }.calc-page .checkbox-item:hover{
            background: var(--light-blue);
        }.calc-page .checkbox-item.checked{
            border-color: var(--primary-blue);
            background: var(--light-blue);
        }.calc-page .checkbox-item input{
            width: 16px;
            height: 16px;
            accent-color: var(--primary-blue);
            cursor: pointer;
        }.calc-page .checkbox-item .price-tag{
            font-size: 11px;
            color: var(--primary-blue);
            margin-left: auto;
        }.calc-page .item-quantity{
            display: none;
            min-width: 52px;
            margin-left: auto;
            padding: 4px 5px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            background: var(--white);
            color: var(--text-dark);
            font: inherit;
        }.calc-page .checkbox-item.checked .item-quantity{
            display: inline-block;
        }.calc-page .checkbox-item.checked .price-tag{
            margin-left: 0;
        }.calc-page .btn-calculate{
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 30px auto 0;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
            color: var(--white);
            border: none;
            border-radius: 50px;
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }.calc-page .btn-calculate:hover{
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(74, 144, 217, 0.4);
        }.calc-page .result-section{
            display: none;
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
            border: 3px solid var(--primary-blue);
            border-radius: 20px;
            padding: 35px;
            margin-top: 25px;
            text-align: center;
        }.calc-page .result-section.show{
            display: block;
            animation: fadeIn 0.5s ease;
        }@keyframes fadeIn{
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }.calc-page .result-title{
            font-size: 22px;
            color: var(--text-dark);
            margin-bottom: 15px;
        }.calc-page .result-price{
            font-size: 48px;
            font-weight: bold;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }.calc-page .result-price span{
            font-size: 22px;
        }.calc-page .result-note{
            color: var(--text-gray);
            font-size: 13px;
            margin-bottom: 20px;
        }.calc-page .result-breakdown{
            background: var(--white);
            border-radius: 12px;
            padding: 20px;
            margin-top: 20px;
            text-align: left;
        }.calc-page .result-breakdown h4{
            color: var(--primary-blue);
            margin-bottom: 12px;
            font-size: 16px;
        }.calc-page .breakdown-item{
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 14px;
        }.calc-page .breakdown-item:last-child{
            border-bottom: none;
            font-weight: bold;
            color: var(--primary-blue);
            font-size: 16px;
            padding-top: 12px;
            margin-top: 8px;
            border-top: 2px solid var(--primary-blue);
        }.calc-page .btn-whatsapp{
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
            padding: 14px 40px;
            background: var(--green);
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }.calc-page .btn-whatsapp:hover{
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
        }.calc-page .btn-whatsapp svg{
            width: 22px;
            height: 22px;
            fill: currentColor;
        }.calc-page .mobile-sticky-bar{
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--white);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
            padding: 12px 15px;
            z-index: 1000;
            border-top: 3px solid var(--primary-blue);
        }.calc-page .mobile-sticky-bar.show{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
        }.calc-page .sticky-price-info{
            flex: 1;
        }.calc-page .sticky-label{
            font-size: 11px;
            color: var(--text-gray);
        }.calc-page .sticky-price{
            font-size: 22px;
            font-weight: bold;
            color: var(--primary-blue);
        }.calc-page .sticky-whatsapp{
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            background: var(--green);
            color: var(--white);
            text-decoration: none;
            border-radius: 25px;
            font-size: 13px;
            font-weight: bold;
            white-space: nowrap;
        }.calc-page .sticky-whatsapp svg{
            width: 18px;
            height: 18px;
            fill: currentColor;
        }.calc-page .price-table-section{
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }.calc-page .price-table-section h2{
            color: var(--primary-blue);
            font-size: 26px;
            margin-bottom: 25px;
            text-align: center;
        }.calc-page .price-table{
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
        }.calc-page .price-table caption{
            padding: 0 0 8px;
            color: var(--text-gray);
            font-size: 13px;
            font-weight: 600;
            text-align: left;
        }.calc-page .price-table th,.calc-page .price-table td{
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }.calc-page .price-table th{
            background: var(--primary-blue);
            color: var(--white);
            font-weight: 600;
        }.calc-page .price-table tr:nth-child(even){
            background: var(--lighter-blue);
        }.calc-page .price-table tr:hover{
            background: var(--light-blue);
        }.calc-page .faq-section{
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }.calc-page .faq-section h2{
            color: var(--primary-blue);
            font-size: 26px;
            margin-bottom: 25px;
            text-align: center;
        }.calc-page .faq-item{
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
        }.calc-page .faq-question{
            background: var(--lighter-blue);
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 15px;
            transition: background 0.3s;
            width: 100%;
            border: 0;
            color: var(--text-dark);
            text-align: left;
            font-family: inherit;
        }.calc-page .faq-question:hover{
            background: var(--light-blue);
        }.calc-page .faq-question::after{
            content: "+";
            font-size: 22px;
            color: var(--primary-blue);
            transition: transform 0.3s;
        }.calc-page .faq-item.active .faq-question::after{
            transform: rotate(45deg);
        }.calc-page .faq-answer{
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s, padding 0.3s;
        }.calc-page .faq-item.active .faq-answer{
            padding: 16px 20px;
            max-height: 500px;
        }.calc-page .faq-answer p{
            color: var(--text-gray);
            line-height: 1.8;
            font-size: 14px;
        }.calc-page .features-section{
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }.calc-page .content-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 18px;
        }.calc-page .content-card{
            padding: 22px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--lighter-blue);
        }.calc-page .content-card h3{
            margin-bottom: 8px;
            color: var(--accent-blue);
            font-size: 18px;
        }.calc-page .content-card p,.calc-page .content-card li{
            color: var(--text-gray);
            font-size: 14px;
        }.calc-page .content-card ul{
            margin: 8px 0 0 20px;
        }.calc-page .content-card a{
            font-weight: 700;
        }.calc-page .section-intro{
            max-width: 850px;
            margin: -12px auto 24px;
            color: var(--text-gray);
            text-align: center;
        }.calc-page .formula-box{
            margin: 20px 0;
            padding: 20px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            background: var(--lighter-blue);
            text-align: center;
        }.calc-page .formula-box strong{
            display: block;
            margin-bottom: 8px;
            color: var(--accent-blue);
            font-size: 18px;
        }.calc-page .scenario-grid,.calc-page .area-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 16px;
        }.calc-page .scenario-card,.calc-page .area-card{
            padding: 20px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--white);
        }.calc-page .scenario-card h3,.calc-page .area-card h3{
            margin-bottom: 8px;
            color: var(--accent-blue);
            font-size: 17px;
        }.calc-page .scenario-price{
            display: block;
            margin-top: 10px;
            color: var(--text-dark);
            font-size: 21px;
            font-weight: 800;
        }.calc-page .scenario-card p,.calc-page .area-card p,.calc-page .area-card li{
            color: var(--text-gray);
            font-size: 14px;
        }.calc-page .area-card ul{
            margin: 8px 0 0 20px;
        }.calc-page .timeline{
            display: grid;
            gap: 14px;
            list-style: none;
            counter-reset: move-step;
        }.calc-page .timeline li{
            position: relative;
            padding: 16px 18px 16px 62px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--lighter-blue);
            counter-increment: move-step;
        }.calc-page .timeline li::before{
            content: counter(move-step);
            position: absolute;
            top: 16px;
            left: 18px;
            display: grid;
            width: 30px;
            height: 30px;
            place-items: center;
            border-radius: 50%;
            background: var(--accent-blue);
            color: var(--white);
            font-weight: 800;
        }.calc-page .timeline strong{
            color: var(--accent-blue);
        }.calc-page .source-list{
            margin: 0;
            padding: 0;
            list-style: none;
        }.calc-page .source-list li{
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 14px;
        }.calc-page .source-list li:last-child{
            border-bottom: 0;
        }.calc-page .method-note{
            margin-top: 20px;
            padding: 16px 18px;
            border-radius: 10px;
            background: #fff8e8;
            color: #654d12;
            font-size: 13px;
        }.calc-page .offer-note{
            margin-top: 18px;
            padding: 14px 16px;
            border-left: 4px solid var(--primary-blue);
            border-radius: 8px;
            background: var(--lighter-blue);
            color: var(--text-gray);
            font-size: 13px;
        }.calc-page .related-links a{
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            text-decoration: none;
        }.calc-page .related-links a:last-child{
            border-bottom: 0;
        }.calc-page .features-section h2{
            color: var(--primary-blue);
            font-size: 26px;
            margin-bottom: 25px;
            text-align: center;
        }.calc-page .features-grid{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }.calc-page .feature-card{
            background: var(--lighter-blue);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }.calc-page .feature-card:hover{
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }.calc-page .feature-icon{
            font-size: 42px;
            margin-bottom: 12px;
        }.calc-page .feature-card h3{
            color: var(--primary-blue);
            margin-bottom: 8px;
            font-size: 16px;
        }.calc-page .feature-card p{
            color: var(--text-gray);
            font-size: 13px;
        }.calc-page footer{
            background: var(--text-dark);
            color: var(--white);
            padding: 35px 20px;
            text-align: center;
        }.calc-page footer p{
            margin-bottom: 8px;
            font-size: 14px;
        }.calc-page .footer-links{
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 18px;
            margin: 15px 0;
        }.calc-page .footer-links a{
            text-decoration: underline;
            text-underline-offset: 3px;
        }.calc-page footer a{
            color: var(--light-blue);
            text-decoration: none;
        }@media (max-width: 768px){.calc-page header{
                position: static;
            }.calc-page header .container{
                display: block;
                text-align: center;
            }.calc-page .logo{
                justify-content: center;
            }.calc-page .logo img{
                width: 210px;
                max-width: 78vw;
            }.calc-page .site-nav{
                justify-content: center;
                margin-top: 10px;
            }.calc-page .site-nav a{
                padding: 5px 8px;
                font-size: 12px;
            }.calc-page .hero h1{ font-size: 24px; }.calc-page .hero p{ font-size: 14px; }.calc-page .hero{ padding: 35px 15px; }.calc-page .answer-section{
                padding: 22px 18px;
            }.calc-page .answer-section h2{
                font-size: 22px;
            }.calc-page .direct-answer{
                font-size: 14px;
            }.calc-page .calculator-section,.calc-page .price-table-section,.calc-page .faq-section,.calc-page .features-section{
                padding: 20px 15px;
                margin-bottom: 20px;
            }.calc-page .section-title{ font-size: 18px; }.calc-page .form-group{ padding: 12px; }.calc-page .form-group label{ font-size: 13px; }.calc-page .form-group select{ padding: 8px 10px; font-size: 13px; }.calc-page .checkbox-grid{ grid-template-columns: 1fr 1fr; }.calc-page .checkbox-item{ padding: 8px; font-size: 12px; }.calc-page .checkbox-item .price-tag{ display: none; }.calc-page .result-price{ font-size: 36px; }.calc-page .result-section{ padding: 20px 15px; }.calc-page .btn-whatsapp{ padding: 12px 25px; font-size: 14px; }.calc-page .price-table{ font-size: 12px; }.calc-page .price-table th,.calc-page .price-table td{ padding: 8px 6px; }.calc-page .mobile-sticky-bar.show{ display: flex; }.calc-page body.has-sticky-bar{ padding-bottom: 80px; }.calc-page .container{ padding: 15px; }}@media (max-width: 480px){.calc-page .checkbox-grid{ grid-template-columns: 1fr; }.calc-page .form-grid{ grid-template-columns: 1fr; }.calc-page .sticky-price{ font-size: 18px; }.calc-page .sticky-whatsapp{ padding: 8px 12px; font-size: 12px; }}@media (prefers-reduced-motion: reduce){.calc-page *,.calc-page *::before,.calc-page *::after{
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
            }}