*{margin:0;padding:0;box-sizing:border-box}
:root{--teal:#0f4c5c;--amber:#e07a3d;--sand:#faf6f0;--charcoal:#2d2d2d;--cream:#faf8f5;--white:#fff;--gray:#f0ede8;--light:#e8e3dc;--text:#444;--blue:#0369a1;--success:#16a34a;--warning:#d97706;--danger:#dc2626}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--cream);color:var(--text);line-height:1.6}
h1,h2,h3,h4{font-family:'Playfair Display',serif;font-weight:700;line-height:1.2;color:var(--charcoal)}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--amber)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.header{background:var(--teal);position:sticky;top:0;z-index:1000;box-shadow:0 3px 20px rgba(0,0,0,0.25);border-bottom:3px solid var(--amber)}
.header .container{display:flex;justify-content:space-between;align-items:center;padding:0 24px;height:70px}
.logo{font-family:'Playfair Display',serif;font-size:1.5rem;font-weight:700;color:var(--white);text-decoration:none;display:flex;align-items:center;gap:10px;transition:color 0.3s}
.logo:hover{color:var(--amber)}
.logo i{color:var(--amber);font-size:1.5rem}
.nav{position:relative}
.nav-menu{display:flex;list-style:none;gap:6px;align-items:center}
.nav-menu li a{font-size:0.88rem;font-weight:500;color:rgba(255,255,255,0.8);text-decoration:none;padding:8px 16px;border-radius:6px;transition:all 0.3s ease;position:relative;letter-spacing:0.2px}
.nav-menu li a::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--amber);transition:width 0.3s ease;border-radius:2px}
.nav-menu li a:hover{color:var(--white);background:rgba(224,122,61,0.15)}
.nav-menu li a:hover::after{width:calc(100% - 32px)}
.nav-menu li a.active{color:var(--white);background:rgba(224,122,61,0.2)}
.nav-menu li a.active::after{width:calc(100% - 32px)}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;background:rgba(224,122,61,0.25);border:none;cursor:pointer;padding:10px;border-radius:8px;transition:background 0.3s}
.menu-toggle:hover{background:rgba(224,122,61,0.4)}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--white);border-radius:2px;transition:all 0.3s ease}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
@media(max-width:768px){
.menu-toggle{display:flex}
.nav-menu{display:none}
.nav-menu.active{position:fixed;top:70px;left:0;right:0;bottom:0;background:var(--teal);flex-direction:column;padding:24px 20px;gap:6px;display:flex;overflow-y:auto;box-shadow:0 10px 40px rgba(0,0,0,0.4)}
.nav-menu.active li{width:100%;border-bottom:1px solid rgba(255,255,255,0.06)}
.nav-menu.active li a{display:block;padding:14px 16px;font-size:1rem;color:rgba(255,255,255,0.9);border-radius:0}
.nav-menu.active li a::after{display:none}
.header .container{height:65px}
}
.hero{background:linear-gradient(160deg,rgba(15,76,92,0.88),rgba(45,45,45,0.75)),url('https://images.unsplash.com/photo-1501555088652-021faa106b9b?w=1200&q=80') center/cover no-repeat;padding:110px 0;text-align:center;min-height:540px;display:flex;align-items:center}
.hero h1{font-size:3.2rem;color:var(--white);margin-bottom:18px;letter-spacing:-0.5px}
.hero p{font-size:1.15rem;color:rgba(255,255,255,0.85);max-width:620px;margin:0 auto 32px;line-height:1.7}
.btn-primary{display:inline-block;background:var(--amber);color:var(--white);padding:14px 36px;border-radius:8px;font-weight:600;transition:all 0.3s;border:none;cursor:pointer;font-size:1rem}
.btn-primary:hover{background:#c96a30;color:var(--white);transform:translateY(-2px);box-shadow:0 6px 20px rgba(224,122,61,0.35)}
.btn-secondary{display:inline-block;background:rgba(255,255,255,0.12);color:var(--white);padding:14px 36px;border-radius:8px;font-weight:600;transition:all 0.3s;border:2px solid rgba(255,255,255,0.3);cursor:pointer;font-size:1rem}
.btn-secondary:hover{background:rgba(255,255,255,0.2);color:var(--white)}
.section{padding:80px 0}
.section h1{font-size:2.3rem;color:var(--charcoal);text-align:center;margin-bottom:12px}
.section-desc{text-align:center;color:#666;max-width:600px;margin:0 auto 44px;font-size:1.05rem}
.tools-grid,.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.tool-card,.article-card{background:var(--white);border-radius:14px;overflow:hidden;transition:all 0.3s;box-shadow:0 4px 16px rgba(0,0,0,0.07);border:1px solid var(--light)}
.tool-card:hover,.article-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,0,0,0.13)}
.tool-card a{display:block;padding:32px 28px;text-align:center}
.tool-card i{font-size:2.6rem;color:var(--amber);margin-bottom:14px;display:block}
.tool-card h3{font-size:1.1rem;color:var(--charcoal);margin-bottom:8px;font-family:'Playfair Display',serif}
.tool-card p{font-size:0.85rem;color:#666;line-height:1.5}
.article-card a{display:block;position:relative}
.article-card img{width:100%;height:210px;object-fit:cover;transition:transform 0.4s}
.article-card:hover img{transform:scale(1.05)}
.article-tag{position:absolute;top:14px;left:14px;background:var(--amber);color:var(--white);padding:4px 13px;border-radius:20px;font-size:0.72rem;font-weight:600;letter-spacing:0.3px}
.article-card h3{padding:18px 20px 6px;font-size:1.1rem;color:var(--charcoal);font-family:'Playfair Display',serif;line-height:1.4}
.article-card p{padding:0 20px 20px;font-size:0.85rem;color:#666;line-height:1.6}
.breadcrumb{padding:20px 0;font-size:0.85rem;color:#999}
.breadcrumb a{color:var(--teal)}
.tool-page{background:var(--white);border-radius:14px;padding:44px;max-width:720px;margin:0 auto;border:1px solid var(--light)}
.tool-page h1{font-size:2rem;color:var(--charcoal);margin-bottom:10px}
.tool-page h1 i{color:var(--amber);margin-right:10px}
.tool-desc{color:#666;margin-bottom:28px;font-size:1rem;line-height:1.6}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;color:var(--charcoal);margin-bottom:6px;font-size:0.9rem}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:13px 16px;border:2px solid var(--light);border-radius:8px;font-size:1rem;font-family:inherit;background:var(--cream);transition:border-color 0.3s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--teal)}
.result-box{background:var(--gray);padding:26px;border-radius:10px;border:2px solid var(--teal);margin-top:22px}
.result-item{background:var(--white);padding:16px;border-radius:8px;text-align:center;margin-bottom:10px}
.result-item .result-label{font-size:0.8rem;color:#888;margin-bottom:5px}
.result-item .result-value{font-size:1.5rem;font-weight:700;color:var(--teal)}
.article-page{background:var(--white);border-radius:14px;padding:44px;max-width:820px;margin:0 auto;border:1px solid var(--light)}
.article-header{margin-bottom:30px}
.article-header h1{font-size:2.3rem;color:var(--charcoal);margin-bottom:12px;line-height:1.3}
.article-meta{display:flex;gap:15px;font-size:0.85rem;color:#888;flex-wrap:wrap;margin-bottom:20px}
.article-img{width:100%;max-height:420px;object-fit:cover;border-radius:12px;margin:20px 0}
.article-content h2{font-size:1.65rem;color:var(--charcoal);margin:36px 0 14px;font-family:'Playfair Display',serif}
.article-content h3{font-size:1.3rem;color:var(--charcoal);margin:28px 0 12px}
.article-content p{font-size:1.03rem;line-height:1.85;margin-bottom:14px;color:#444}
.article-content a{color:var(--teal);font-weight:500}
.article-content a:hover{color:var(--amber)}
.related-articles{margin-top:44px;padding-top:28px;border-top:2px solid var(--light)}
.related-articles h3{font-size:1.3rem;color:var(--charcoal);margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.related-card{background:var(--gray);padding:18px;border-radius:8px;transition:all 0.3s;border:1px solid var(--light)}
.related-card:hover{background:var(--light)}
.related-card h4{color:var(--charcoal);margin-bottom:5px;font-size:0.98rem}
.related-card p{font-size:0.8rem;color:#666}
.footer{background:var(--charcoal);color:rgba(255,255,255,0.7);padding:54px 0 22px;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:32px;margin-bottom:36px}
.footer-col h4{font-size:1.1rem;margin-bottom:14px;color:var(--white);font-family:'Playfair Display',serif}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{color:rgba(255,255,255,0.65);font-size:0.9rem}
.footer-col ul li a:hover{color:var(--amber)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,0.08);font-size:0.8rem;color:#777}
.contact-form{max-width:640px;margin:0 auto}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:14px;border:2px solid var(--light);border-radius:8px;margin-bottom:16px;font-size:1rem;font-family:inherit;background:var(--cream)}
.form-success{background:#dcfce7;color:#166534;padding:15px;border-radius:8px;margin-bottom:18px;text-align:center;font-weight:500}
@media(max-width:768px){
.hero h1{font-size:2.2rem}
.section h1{font-size:1.85rem}
.article-page{padding:26px}
.article-header h1{font-size:1.85rem}
.tools-grid,.articles-grid{grid-template-columns:1fr 1fr}
.tool-page{padding:28px}
}
@media(max-width:480px){
.tools-grid,.articles-grid{grid-template-columns:1fr}
}