:root{--font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--color-primary: #ea580c;--color-primary-hover: #c2410c;--color-primary-light: #fff7ed;--color-primary-border: #ffedd5;--color-secondary: #0284c7;--color-success: #16a34a;--color-warning: #d97706;--color-danger: #dc2626;--color-bg: #f8fafc;--color-card-bg: #ffffff;--color-text-main: #0f172a;--color-text-muted: #64748b;--color-border: #e2e8f0;--radius-lg: 16px;--radius-md: 10px;--radius-sm: 6px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .07);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-main);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 20px}.site-header{background:#fff;border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:50;box-shadow:0 1px 3px #00000005}.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}.brand-logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:var(--color-primary);letter-spacing:-.02em;flex-shrink:0}.brand-badge{background:var(--color-primary-light);color:var(--color-primary);font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:9999px;border:1px solid var(--color-primary-border)}.nav-links{display:flex;align-items:center;gap:20px}.nav-link{font-size:.92rem;font-weight:600;color:var(--color-text-muted);transition:color .15s ease;display:flex;align-items:center;gap:6px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.badge-tag{font-size:.72rem;padding:2px 6px;border-radius:4px;font-weight:600}.badge-upcoming{background:#f1f5f9;color:#64748b;border:1px solid #e2e8f0}@media(max-width:768px){.header-inner{height:auto;padding:10px 0;flex-wrap:wrap;gap:12px}.nav-links{gap:12px;width:100%;overflow-x:auto;padding-bottom:4px;justify-content:flex-start}}.breadcrumbs-bar{padding:14px 0;font-size:.88rem;color:var(--color-text-muted)}.breadcrumbs-list{display:flex;align-items:center;gap:8px;list-style:none;flex-wrap:wrap}.breadcrumbs-list a:hover{color:var(--color-primary);text-decoration:underline}.hero-section{text-align:center;padding:56px 0 40px;background:linear-gradient(180deg,#ffffff 0%,var(--color-bg) 100%);border-bottom:1px solid var(--color-border);margin-bottom:40px}.badge-pill{display:inline-flex;align-items:center;gap:6px;background:var(--color-primary-light);color:var(--color-primary);font-size:.82rem;font-weight:700;padding:4px 14px;border-radius:9999px;margin-bottom:16px;border:1px solid var(--color-primary-border)}.hero-title{font-size:2.7rem;font-weight:800;color:#0f172a;line-height:1.2;margin-bottom:16px;letter-spacing:-.02em}.hero-subtitle{font-size:1.12rem;color:var(--color-text-muted);max-width:680px;margin:0 auto 28px;line-height:1.6}.search-wrap{position:relative;max-width:540px;margin:0 auto}.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#94a3b8;pointer-events:none}.search-input{width:100%;padding:14px 16px 14px 46px;border:1.5px solid var(--color-border);border-radius:9999px;font-size:.98rem;font-family:inherit;color:var(--color-text-main);background:#fff;box-shadow:0 4px 12px #00000008;transition:all .2s ease}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #ea580c1f}.category-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.category-title{font-size:1.35rem;font-weight:700;color:#0f172a}.view-all-link{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--color-primary)}.view-all-link:hover{text-decoration:underline}.tool-header-block{text-align:center;margin:28px 0 36px}.tool-badge-pill{display:inline-flex;align-items:center;gap:6px;background:var(--color-primary-light);color:var(--color-primary);font-size:.82rem;font-weight:700;padding:4px 12px;border-radius:9999px;margin-bottom:12px;border:1px solid var(--color-primary-border)}.tool-main-h1{font-size:2.2rem;font-weight:800;line-height:1.25;color:#0f172a;margin-bottom:12px;letter-spacing:-.015em}.tool-main-desc{font-size:1.05rem;color:var(--color-text-muted);max-width:720px;margin:0 auto}@media(max-width:640px){.hero-title,.tool-main-h1{font-size:1.85rem}}.calculator-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;margin-bottom:40px;align-items:stretch}@media(max-width:860px){.calculator-layout{grid-template-columns:1fr;gap:24px}}.card-box{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm)}.form-group{margin-bottom:22px}.form-group:last-child{margin-bottom:0}.form-label{display:block;font-size:.92rem;font-weight:700;color:#334155;margin-bottom:8px}.unit-toggle-group{display:inline-flex;background:#f1f5f9;border-radius:8px;padding:3px;gap:4px}.unit-toggle-btn{border:none;background:transparent;padding:6px 14px;font-size:.85rem;font-weight:600;border-radius:6px;cursor:pointer;color:#64748b;font-family:inherit;transition:all .15s ease}.unit-toggle-btn.active{background:#fff;color:var(--color-primary);font-weight:700;box-shadow:var(--shadow-sm)}.input-field,.select-field{width:100%;padding:12px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;color:var(--color-text-main);background:#fff;transition:all .15s ease}.input-field:focus,.select-field:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #ea580c1f}.input-hint{display:block;font-size:.8rem;color:var(--color-text-muted);margin-top:6px;line-height:1.4}.result-card{background:linear-gradient(145deg,#fff7ed,#ffedd5);border:1.5px solid #fed7aa;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:flex-start}.result-card-title{font-size:.95rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#9a3412;margin-bottom:16px;text-align:center}.highlight-metric-box{background:#fff;border:1.5px solid #ffedd5;border-radius:var(--radius-md);padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);margin-bottom:20px}.metric-large-number{font-size:3.4rem;font-weight:800;color:#ea580c;line-height:1;letter-spacing:-.03em}.metric-unit-text{font-size:1rem;font-weight:700;color:#9a3412;margin-top:8px}.metric-breakdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.metric-item{background:#fff;border:1px solid #ffedd5;border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.metric-item-label{font-size:.82rem;font-weight:600;color:#64748b}.metric-item-value{font-size:1.25rem;font-weight:800;color:#0f172a}.data-table{width:100%;border-collapse:collapse;margin-top:16px;background:#fff;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border)}.data-table th{background:#f8fafc;padding:12px 18px;font-size:.88rem;font-weight:700;color:#334155;text-align:left;border-bottom:2px solid var(--color-border)}.data-table td{padding:12px 18px;font-size:.9rem;color:#334155;border-bottom:1px solid #f1f5f9}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#fff7ed}.guide-section{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:36px;margin-bottom:32px;box-shadow:var(--shadow-sm)}@media(max-width:640px){.guide-section{padding:22px}}.guide-section h2{font-size:1.45rem;font-weight:800;margin-bottom:16px;color:#0f172a;letter-spacing:-.01em}.guide-section h3{font-size:1.15rem;font-weight:700;margin:20px 0 10px;color:#1e293b}.guide-section p{color:#475569;margin-bottom:14px;line-height:1.65}.guide-bullet-list{list-style:none;margin-top:14px}.features-banner{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);margin-top:20px}.features-title{text-align:center;font-size:1.45rem;font-weight:800;color:#0f172a;margin-bottom:32px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}.feature-item{display:flex;flex-direction:column;align-items:flex-start}.feature-icon-wrap{width:44px;height:44px;border-radius:var(--radius-md);background:#f8fafc;display:flex;align-items:center;justify-content:center;margin-bottom:14px;border:1px solid #e2e8f0}.feature-heading{font-size:1.05rem;font-weight:700;color:#0f172a;margin-bottom:8px}.feature-text{font-size:.9rem;color:var(--color-text-muted);line-height:1.55}.faq-list{display:flex;flex-direction:column}.faq-item{border-bottom:1px solid var(--color-border);padding:18px 0}.faq-item:last-child{border-bottom:none}.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;border:none;background:none;text-align:left;font-size:1.05rem;font-weight:700;color:#0f172a;cursor:pointer;padding:0;font-family:inherit}.faq-question:hover{color:var(--color-primary)}.faq-answer{margin-top:12px;color:#475569;font-size:.95rem;line-height:1.65}.tool-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.tool-entry-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;transition:all .2s ease;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;box-shadow:var(--shadow-sm)}.tool-entry-card:hover{transform:translateY(-3px);border-color:#fdba74;box-shadow:var(--shadow-lg)}.tool-entry-icon{width:44px;height:44px;border-radius:var(--radius-md);background:var(--color-primary-light);color:var(--color-primary);display:flex;align-items:center;justify-content:center}.tool-entry-title{font-size:1.15rem;font-weight:700;color:#0f172a;margin-bottom:8px}.tool-entry-desc{font-size:.9rem;color:var(--color-text-muted);line-height:1.5;margin-bottom:18px;flex-grow:1}.tool-entry-footer{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;font-weight:700;color:var(--color-primary);padding-top:14px;border-top:1px solid #f1f5f9}.site-footer{background:#0f172a;color:#94a3b8;padding:50px 0 30px;margin-top:60px;font-size:.9rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:36px}@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:28px}}.footer-brand{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:10px}.footer-disclaimer{font-size:.8rem;color:#64748b;margin-top:12px;line-height:1.5}.footer-col-title{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:14px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #1e293b;padding-top:24px;text-align:center;font-size:.82rem;color:#64748b}