:root{--primary:#1b4f72;--secondary:#5b7d8a;--bg:#f4f7f9;--text:#1a1a1a;--muted:#5a6670;--card:#fff;--shadow:0 10px 30px rgba(0,0,0,.08);--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'Source Sans 3',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
img{max-width:100%;height:auto}a{color:var(--primary);text-decoration:none}a:hover{opacity:.85}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e8edf0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-family:'Merriweather',serif;font-weight:700;font-size:20px;color:var(--primary)}
.menu{display:flex;gap:18px;font-size:15px}
.menu a{color:var(--text)}
.hero{padding:56px 0 36px;background:linear-gradient(135deg,#e6f1f6 0%,#f4f7f9 55%,#fff 100%)}
.hero h1{font-family:'Merriweather',serif;font-size:38px;line-height:1.2;margin:0 0 14px}
.hero p{max-width:760px;color:var(--muted);margin:0 0 18px}
.cta{display:inline-block;background:var(--primary);color:#fff;padding:12px 18px;border-radius:10px;font-weight:600}
.grid{display:grid;gap:18px}
.grid.cards{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow)}
.section{padding:40px 0}
.section h2{font-family:'Merriweather',serif;margin:0 0 16px}
.badge{display:inline-block;background:#eaf1f4;color:var(--primary);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.footer{padding:30px 0;border-top:1px solid #e8edf0;background:#fff;font-size:14px;color:var(--muted)}
.footer .links{display:flex;gap:14px;flex-wrap:wrap}
.page h1{font-family:'Merriweather',serif;margin-top:0}
.meta{color:var(--muted);font-size:14px}
.input{width:100%;padding:10px 12px;border:1px solid #d7e0e6;border-radius:10px;font-size:15px}
.btn{background:var(--primary);color:#fff;border:0;padding:10px 14px;border-radius:10px;font-weight:600;cursor:pointer}
.btn.secondary{background:#eaf1f4;color:var(--primary)}
.tool-ui{display:grid;gap:12px}
.result{background:#f7fafb;border:1px dashed #cfe0e8;padding:12px;border-radius:10px;min-height:56px}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{border-bottom:1px solid #e6edf1;padding:8px;text-align:left}
.faq{margin-top:22px}
.faq h3{margin-bottom:6px}
.blog-card h3{margin:8px 0}
@media (max-width:820px){.menu{display:none}.hero h1{font-size:30px}}