*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
:root{
  --bg:#f0f5ff;--bg2:#e8f0fd;--surface:#ffffff;--blue:#7eb8f7;--blue-soft:#c4deff;
  --blue-mid:#5a9ee8;--blue-deep:#3a7bd5;--pink:#f7a8c4;--pink-soft:#fce4ef;
  --pink-mid:#f07caa;--pink-deep:#e0568d;--lav:#c3b1e1;--lav-soft:#ede7f6;
  --mint:#a8e6cf;--mint-soft:#e3f9ef;--peach:#ffcba4;--peach-soft:#fff0e5;
  --text:#2d3a54;--text-mid:#5a6882;--text-mute:#8fa0bc;
  --border:rgba(126,184,247,0.28);--shadow-s:0 2px 12px rgba(90,130,220,0.10);
  --shadow-m:0 6px 28px rgba(90,130,220,0.14);--shadow-l:0 12px 48px rgba(90,130,220,0.18);
  --font:'Nunito',system-ui,sans-serif;--font-d:'Playfair Display',Georgia,serif;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
body::before,body::after{content:'';position:fixed;border-radius:50%;pointer-events:none;z-index:0;filter:blur(80px);opacity:.4}
body::before{width:500px;height:500px;background:radial-gradient(circle,#c4deff 0%,transparent 70%);top:-120px;right:-80px}
body::after{width:400px;height:400px;background:radial-gradient(circle,#fce4ef 0%,transparent 70%);bottom:60px;left:-60px}
.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1.5px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:60px;box-shadow:0 2px 16px rgba(90,130,220,.07)}
.nav-left{display:flex;align-items:center;gap:22px;min-width:0}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.mark{width:36px;height:36px;background:linear-gradient(135deg,var(--blue-mid),var(--pink-mid));border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:13px;box-shadow:0 3px 10px rgba(90,158,232,.3);flex-shrink:0}
.nav-logo h1{font-size:16px;font-weight:700;letter-spacing:-.3px}
.nav-links{display:flex;gap:2px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--text-mid);text-decoration:none;font-size:13px;padding:6px 10px;border-radius:8px;font-weight:650}
.nav-links a:hover{color:var(--blue-deep);background:var(--bg2)}
.nav-links a.active{background:linear-gradient(135deg,var(--blue-mid),var(--pink-mid));color:#fff}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-lang{position:relative}
.nav-lang-btn{background:var(--bg2);border:1.5px solid var(--border);color:var(--text-mid);padding:5px 13px;border-radius:99px;cursor:pointer;font-size:12.5px;font-family:var(--font);font-weight:700}
.nav-lang-menu{display:none;position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:6px;min-width:150px;box-shadow:var(--shadow-m);z-index:200}
.nav-lang:hover .nav-lang-menu,.nav-lang:focus-within .nav-lang-menu{display:block}
.nav-lang-menu a{display:block;color:var(--text-mid);text-decoration:none;padding:7px 12px;font-size:13px;font-weight:600;border-radius:8px}
.nav-lang-menu a:hover{background:var(--bg2);color:var(--blue-deep)}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-hamburger span{display:block;width:22px;height:2.5px;background:var(--text-mid);border-radius:3px}
.learn-strip{position:relative;z-index:2;display:flex;justify-content:center;gap:8px;flex-wrap:wrap;padding:12px 16px 0}
.learn-strip a{text-decoration:none;font-size:12.5px;font-weight:800;color:var(--blue-deep);background:#fff;border:1.5px solid var(--border);border-radius:99px;padding:6px 12px;box-shadow:var(--shadow-s)}
.learn-strip a:hover,.learn-strip a.active{background:var(--blue-soft);border-color:var(--blue)}
.page{position:relative;z-index:1}
.hero{text-align:center;padding:42px 22px 8px}
.hero-pill{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--pink-soft),var(--blue-soft));border:1.5px solid rgba(247,168,196,.5);border-radius:99px;padding:6px 16px;font-size:12.5px;color:var(--pink-deep);font-weight:800;margin-bottom:16px}
.hero h2{font-family:var(--font-d);font-size:clamp(30px,4.5vw,48px);font-weight:500;line-height:1.18;letter-spacing:-.4px}
.hero h2 em{font-style:italic;background:linear-gradient(135deg,var(--blue-mid),var(--pink-mid));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.crumbs{max-width:820px;margin:14px auto 0;padding:0 22px;font-size:13px;color:var(--text-mute);font-weight:700}
.crumbs a{color:var(--blue-deep);text-decoration:none}
.article{max-width:820px;margin:0 auto;padding:18px 22px 64px}
.article h2{font-family:var(--font-d);font-size:clamp(24px,3vw,32px);font-weight:500;margin:34px 0 12px;letter-spacing:-.3px}
.article h3{font-size:18px;margin:22px 0 8px}
.article p{font-size:16.5px;line-height:1.82;color:var(--text-mid);margin-bottom:14px}
.article ul,.article ol{margin:0 0 16px 1.2em;color:var(--text-mid);font-size:16px;line-height:1.7}
.article li{margin:6px 0}
.article strong{color:var(--text)}
.article a{color:var(--blue-deep);font-weight:800}
.callout{background:#fff;border:2px solid var(--border);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow-s);margin:18px 0}
.card-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 8px}
.info-card{background:#fff;border:2px solid var(--border);border-radius:18px;padding:16px;box-shadow:var(--shadow-s)}
.info-card h3{margin:0 0 6px;font-family:var(--font-d);font-size:20px}
.info-card p{margin:0;font-size:14px}
.faq details{background:#fff;border:2px solid var(--border);border-radius:14px;padding:12px 14px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:800;color:var(--text)}
.faq p{margin:8px 0 0}
.footer{background:var(--text);color:rgba(255,255,255,.6);padding:48px 28px 28px;margin-top:20px;font-size:13px}
.footer-inner{max-width:1000px;margin:0 auto 32px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.footer-brand p{line-height:1.7;margin-top:10px;color:rgba(255,255,255,.5)}
.footer-col h5{color:#fff;font-weight:800;margin-bottom:12px;font-size:13px}
.footer-col a{display:block;color:rgba(255,255,255,.55);text-decoration:none;margin-bottom:8px}
.footer-col a:hover{color:var(--blue-soft)}
.footer-bottom{max-width:1000px;margin:0 auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.4)}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .nav-links.open{display:flex;flex-direction:column;position:fixed;top:60px;left:0;right:0;background:rgba(255,255,255,.98);padding:12px;border-bottom:1.5px solid var(--border);z-index:999}
  .card-row,.footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.card-row,.footer-inner{grid-template-columns:1fr}}