@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color: #f8f9fa;--card-bg: #ffffff;--primary-color: #007aff;--text-main: #1d1d1f;--text-secondary: #86868b;--accent-blue: #007aff;--accent-green: #34c759;--accent-gold: #ffcc00;--border-radius: 12px;--shadow-soft: 0 4px 24px rgba(0, 0, 0, .04);--shadow-hover: 0 8px 32px rgba(0, 0, 0, .08);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5}.container{width:100%;max-width:1000px;margin:0 auto;padding:40px 20px}@media(max-width:768px){.container{padding:24px 16px}}h1{font-size:2.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:8px;background:linear-gradient(135deg,#1d1d1f,#434345);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:flex;flex-wrap:wrap;align-items:center;line-height:1.2}@media(max-width:768px){h1{font-size:1.8rem}}.subtitle{color:var(--text-secondary);font-size:1.1rem;margin-bottom:40px}@media(max-width:768px){.subtitle{font-size:.95rem;margin-bottom:32px}}.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.calc-card{background:var(--card-bg);border-radius:var(--border-radius);padding:32px;text-decoration:none;color:inherit;box-shadow:var(--shadow-soft);transition:var(--transition);border:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;gap:16px}.calc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-color)}.card-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.card-title{font-size:1.25rem;font-weight:600}.card-desc{color:var(--text-secondary);font-size:.95rem;line-height:1.4}.calc-container{width:100%;max-width:600px;margin:0 auto;background:var(--card-bg);padding:40px;border-radius:20px;box-shadow:var(--shadow-soft)}@media(max-width:480px){.calc-container{padding:24px 20px;border-radius:16px}}.input-group{margin-bottom:24px}label{display:block;font-weight:500;margin-bottom:8px;font-size:.9rem;color:var(--text-secondary)}input{width:100%;padding:12px 16px;border-radius:8px;border:1px solid #d2d2d7;font-size:1rem;transition:var(--transition)}input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #007aff1a}.result-area{margin-top:32px;padding-top:32px;border-top:1px solid #f2f2f7}.result-item{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}@media(max-width:480px){.result-item{flex-direction:column;align-items:flex-start;gap:4px;margin-bottom:16px}}.result-label{color:var(--text-secondary)}.result-value{font-weight:700;font-size:1.5rem;color:var(--primary-color)}.row{display:flex;gap:16px;margin-bottom:24px}.row>div{flex:1}@media(max-width:480px){.row{flex-direction:column;gap:0}}