.calc-detail-page{max-width:960px;margin:0 auto;padding:10px 0 60px}.calc-switcher-nav{display:flex;gap:8px;overflow-x:auto;padding:4px 0 16px;margin-bottom:24px;-webkit-overflow-scrolling:touch;border-bottom:1px solid #e2e8f0}.calc-switcher-nav::-webkit-scrollbar{display:none}.switcher-tab{display:inline-flex;align-items:center;gap:6px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;color:#475569;text-decoration:none;white-space:nowrap;transition:all .2s ease}.switcher-tab:hover{background:#eff6ff;border-color:#93c5fd;color:#0c5adb}.switcher-tab.active{background:#0c5adb;border-color:#0c5adb;color:#fff;font-weight:700;box-shadow:0 2px 8px #0c5adb33}.switcher-tab.hub-btn{margin-left:auto;background:#f1f5f9;color:#64748b}.switcher-tab.hub-btn:hover{background:#e2e8f0;color:#1e293b}.related-calc-section{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px;margin-top:10px}.related-calc-header{margin-bottom:16px}.related-tag{font-size:12px;font-weight:700;color:#0c5adb;background:#eff6ff;padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:6px}.related-calc-header h3{font-size:18px;font-weight:800;color:var(--head, #16233C);margin:0}.related-calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.rel-calc-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:16px;text-decoration:none;display:flex;flex-direction:column;justify-content:space-between;transition:all .2s ease}.rel-calc-card:hover{border-color:#0c5adb;background:#fff;transform:translateY(-2px);box-shadow:0 6px 16px #0c5adb14}.rel-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}.rel-icon{font-size:20px}.rel-calc-card h4{font-size:15px;font-weight:700;color:var(--head, #16233C);margin:0}.rel-calc-card p{font-size:12.5px;color:#64748b;margin:0 0 12px;line-height:1.45}.rel-btn-text{font-size:13px;font-weight:700;color:#0c5adb;display:inline-flex;align-items:center;gap:4px}.breadcrumb{font-size:13.5px;color:#64748b;margin-bottom:16px}.breadcrumb a{color:#64748b;text-decoration:none}.breadcrumb a:hover{color:#0c5adb;text-decoration:underline}.detail-header{margin-bottom:24px}.tag-pill{display:inline-block;background:#eff6ff;color:#0c5adb;font-size:12.5px;font-weight:700;letter-spacing:.05em;padding:3px 10px;border-radius:999px;margin-bottom:10px}.detail-header h1{font-size:30px;font-weight:800;color:var(--head, #16233C);margin:0 0 10px;letter-spacing:-.02em}.header-desc{font-size:15.5px;color:#4a5568;line-height:1.6;margin:0}.beginner-guide-banner{background:linear-gradient(135deg,#f8fafc,#edf2f7);border:1.5px solid #cbd5e1;border-radius:16px;padding:20px 22px;margin-bottom:32px;box-shadow:0 4px 14px #00000008}.guide-banner-header{margin-bottom:14px}.badge-bulb{font-size:12px;font-weight:700;color:#1e40af;background:#dbeafe;padding:3px 8px;border-radius:6px;display:inline-block;margin-bottom:6px}.guide-banner-header h3{font-size:17px;font-weight:800;color:var(--head, #16233C);margin:0}.guide-cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.quick-guide-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:14px 16px;cursor:pointer;transition:all .2s ease}.quick-guide-card:hover{border-color:#0c5adb;transform:translateY(-2px);box-shadow:0 4px 12px #0c5adb14}.quick-tag{font-size:11px;font-weight:700;color:#475569;background:#f1f5f9;padding:2px 6px;border-radius:4px;display:inline-block;margin-bottom:6px}.quick-tag.best{color:#15803d;background:#dcfce7}.quick-guide-card h4{font-size:15px;font-weight:800;color:var(--head, #16233C);margin:0 0 6px}.quick-guide-card h4 span{font-size:12.5px;font-weight:600;color:#0c5adb}.quick-guide-card p{font-size:12.5px;color:#475569;line-height:1.5;margin:0}.calculator-app{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:28px;box-shadow:0 8px 30px #0000000a;margin-bottom:48px}.calc-layout-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:32px;margin-bottom:36px}.panel-title{font-size:18px;font-weight:800;color:var(--head, #16233C);margin:0 0 20px}.form-group{margin-bottom:20px}.label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.label-row label{font-size:14px;font-weight:700;color:#334155}.val-preview{font-size:12.5px;color:#0c5adb;font-weight:600}.sub-help{font-size:11.5px;color:#64748b;font-weight:500}.input-with-unit{position:relative;display:flex;align-items:center}.input-with-unit input{width:100%;height:46px;font-size:17px;font-weight:700;color:#1e293b;padding:0 46px 0 14px;border:1.5px solid #cbd5e1;border-radius:10px;outline:none;transition:border-color .2s,box-shadow .2s}.input-with-unit input:focus{border-color:#0c5adb;box-shadow:0 0 0 3px #0c5adb1f}.input-with-unit .unit{position:absolute;right:14px;font-size:14px;color:#64748b;font-weight:600;pointer-events:none}.preset-buttons{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.btn-preset{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:5px 10px;font-size:12.5px;font-weight:600;color:#475569;cursor:pointer;transition:all .15s}.btn-preset:hover{background:#e2e8f0;color:#0c5adb;border-color:#cbd5e1}.btn-preset.btn-reset{background:#fee2e2;color:#dc2626;border-color:#fca5a5}.btn-preset.btn-reset:hover{background:#fecaca}.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.preset-buttons.mini .btn-preset{padding:4px 8px;font-size:11.5px}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.btn-copy{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:6px 12px;font-size:13px;font-weight:600;color:#334155;cursor:pointer;transition:all .2s}.btn-copy:hover{background:#0c5adb;color:#fff;border-color:#0c5adb}.method-cards-grid{display:flex;flex-direction:column;gap:16px}.method-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:18px 20px;position:relative;transition:all .2s}.method-card.highlight{background:#f0f7ff;border:2px solid #0C5ADB;box-shadow:0 4px 16px #0c5adb14}.card-head{margin-bottom:12px}.method-badge{font-size:11.5px;font-weight:700;color:#475569;background:#e2e8f0;padding:3px 8px;border-radius:999px;display:inline-block;margin-bottom:6px}.method-badge.best{background:#0c5adb;color:#fff}.method-badge.warn{background:#fef3c7;color:#d97706}.card-head h3{font-size:17px;font-weight:800;color:var(--head, #16233C);margin:0 8px 0 0;display:inline-block}.card-head h3 span{font-size:13.5px;font-weight:600;color:#0c5adb}.method-sub{font-size:12.5px;color:#64748b;margin:3px 0 0}.metric-group{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px dashed #e2e8f0}.metric-label{font-size:13.5px;color:#475569;font-weight:600}.metric-val{font-size:20px;font-weight:800;color:#1e293b}.metric-val.primary{color:#0c5adb}.metric-sub-val{font-size:12px;color:#64748b;text-align:right;margin-top:2px}.metric-row{display:flex;justify-content:space-between;font-size:13px;color:#475569;margin-top:8px}.metric-row strong{color:#1e293b}.text-success{color:#16a34a!important}.text-danger{color:#dc2626!important}.diff-badge{margin-top:10px;background:#dcfce7;border:1px solid #bbf7d0;color:#15803d;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:8px;text-align:center}.method-bar-wrap{display:flex;height:8px;border-radius:4px;overflow:hidden;margin-top:10px;background:#e2e8f0}.bar-fill.principal{background:#0c5adb}.bar-fill.interest{background:#f59e0b}.bar-legend{font-size:11.5px;color:#64748b;display:block;margin-top:4px;text-align:right}.schedule-section{border-top:1px solid #e2e8f0;padding-top:28px}.schedule-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.schedule-header h3{font-size:17px;font-weight:800;color:var(--head, #16233C);margin:0}.btn-group-toggle{display:flex;background:#f1f5f9;border-radius:8px;padding:3px}.btn-toggle{border:none;background:transparent;padding:5px 12px;font-size:12.5px;font-weight:600;color:#64748b;border-radius:6px;cursor:pointer;transition:all .2s}.btn-toggle.active{background:#fff;color:#0c5adb;box-shadow:0 2px 4px #0000000f}.table-responsive{overflow-x:auto;margin-bottom:12px}.schedule-table{width:100%;border-collapse:collapse;font-size:13.5px;text-align:right}.schedule-table th,.schedule-table td{padding:10px 14px;border-bottom:1px solid #f1f5f9}.schedule-table th{background:#f8fafc;color:#475569;font-weight:700;white-space:nowrap}.schedule-table th:first-child,.schedule-table td:first-child{text-align:center}.font-bold{font-weight:700}.text-primary{color:#0c5adb}.text-sub{color:#64748b}.schedule-more-wrap{text-align:center;margin-top:12px}.btn-more-schedule{background:#f8fafc;border:1px solid #cbd5e1;color:#334155;font-size:13.5px;font-weight:600;padding:10px 24px;border-radius:8px;cursor:pointer;width:100%;transition:background .2s}.btn-more-schedule:hover{background:#f1f5f9;color:#0c5adb}.seo-content-article{display:flex;flex-direction:column;gap:32px}.content-box{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:28px 24px}.content-box h2{font-size:21px;font-weight:800;color:var(--head, #16233C);margin:0 0 14px}.content-box p{font-size:15px;color:#334155;line-height:1.7;margin:0 0 16px}.formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.formula-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:16px}.formula-card h4{font-size:15px;font-weight:700;color:#1e293b;margin:0 0 8px}.formula-math{background:#1e293b;color:#f8fafc;font-family:Courier New,Courier,monospace;padding:10px;border-radius:8px;font-size:13px;margin-bottom:10px;text-align:center;overflow-x:auto}.formula-card p{font-size:13px;color:#64748b;margin:0;line-height:1.5}.guide-table{width:100%;border-collapse:collapse;font-size:14px;margin-top:10px}.guide-table th,.guide-table td{padding:12px 16px;border:1px solid #e2e8f0;text-align:center}.guide-table th{background:#f1f5f9;color:#1e293b;font-weight:700}.recommend-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:16px}.rec-item{background:#f8fafc;border-radius:12px;padding:18px;border:1px solid #e2e8f0}.rec-item h4{font-size:15.5px;font-weight:700;color:var(--head, #16233C);margin:0 0 10px}.rec-item ul{margin:0;padding-left:18px}.rec-item li{font-size:13.5px;color:#475569;margin-bottom:6px;line-height:1.5}.faq-section .faq-item{border-bottom:1px solid #f1f5f9;padding:16px 0}.faq-section .faq-item:last-child{border-bottom:none;padding-bottom:0}.faq-item h3{font-size:16px;font-weight:700;color:#1e293b;margin:0 0 8px}.faq-item p{font-size:14px;color:#475569;margin:0;line-height:1.6}.related-posts-card{background:#f0f7ff;border:1.5px solid #bfdbfe;border-radius:16px;padding:24px}.related-posts-card h3{font-size:17px;font-weight:800;color:#1e40af;margin:0 0 14px}.related-links{list-style:none;padding:0;margin:0}.related-links li{margin-bottom:10px}.related-links a{font-size:14.5px;font-weight:600;color:#1d4ed8;text-decoration:none}.related-links a:hover{text-decoration:underline}@media (max-width: 768px){.calc-layout-grid,.formula-grid,.recommend-grid{grid-template-columns:1fr}.detail-header h1{font-size:24px}.calculator-app{padding:20px 16px}.guide-cards-row{grid-template-columns:1fr}}