:root{--blue:#002ce6;--blue2:#001a8d;--ink:#111827;--muted:#64748b;--line:#e5e7eb;--bg:#f5f7fb;--card:#fff;--accent:#ffb703;--max:1180px;--article:850px;--radius:18px;--shadow:0 12px 30px rgba(15,23,42,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Poppins,Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img,video,iframe,svg{max-width:100%}img,video{height:auto}.wrap{width:min(var(--max),calc(100% - 36px));margin:0 auto}.topbar{background:#0a1025;color:#cbd5e1;font-size:13px}.topbar .wrap{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px}.topbar a{color:#fff}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-main{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:27px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}.brand:hover{text-decoration:none}.brand img{width:48px;height:48px;object-fit:contain;border-radius:10px}.site-nav{margin-left:auto;display:flex;align-items:center;gap:26px}.site-nav a{color:#1f2937;font-weight:650;font-size:14px}.site-nav a:hover{color:var(--blue);text-decoration:none}.menu-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue);font-size:23px;cursor:pointer}
.hero{background:linear-gradient(135deg,#07194f,#002ce6);color:#fff;padding:72px 0 64px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(310px,.92fr);gap:52px;align-items:center}.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.04;margin:0 0 20px;letter-spacing:-.04em}.hero p{max-width:720px;font-size:19px;color:#dbeafe;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;border-radius:999px;font-weight:750}.btn-light{background:#fff;color:var(--blue)}.btn-outline{border:1px solid rgba(255,255,255,.55);color:#fff}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.18)}.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:15px;background:#fff}.hero-card h2{font-size:22px;margin:16px 0 5px}.hero-card p{font-size:14px;margin:0;color:#dbeafe}
.section{padding:54px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-title h2{font-size:31px;line-height:1.15;margin:0}.section-title p{margin:0;color:var(--muted)}.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.post-card .thumb{display:block;overflow:hidden;background:#e8ecf5;aspect-ratio:16/9}.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.post-card:hover .thumb img{transform:scale(1.025)}.post-card-body{padding:22px;display:flex;flex-direction:column;flex:1}.eyebrow{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:#eef2ff;color:var(--blue);font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.04em}.post-card h3{font-size:22px;line-height:1.3;margin:12px 0 10px}.post-card h3 a{color:var(--ink)}.post-card h3 a:hover{color:var(--blue);text-decoration:none}.post-card p{color:#475569;margin:0 0 16px}.meta{margin-top:auto;color:var(--muted);font-size:13px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.topic{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.topic strong{display:block;font-size:18px;margin-bottom:6px}.topic span{font-size:14px;color:var(--muted)}
.page-shell{padding:48px 0 70px}.article-card{width:min(var(--article),calc(100% - 36px));margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.article-head{padding:38px 44px 26px;border-bottom:1px solid var(--line)}.article-head .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}.article-head h1{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.035em;margin:0 0 14px}.article-meta{font-size:14px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}.article-hero{padding:0 44px 12px}.article-hero img{width:100%;max-height:540px;object-fit:cover;border-radius:16px}.article-content{padding:24px 44px 46px;font-size:17px;color:#263241}.article-content>*:first-child{margin-top:0}.article-content h1,.article-content h2,.article-content h3,.article-content h4{color:#111827;line-height:1.25;margin:1.4em 0 .55em;letter-spacing:-.02em}.article-content h2{font-size:30px}.article-content h3{font-size:24px}.article-content h4{font-size:20px}.article-content p{margin:0 0 1.15em}.article-content ul,.article-content ol{margin:0 0 1.25em;padding-left:1.45em}.article-content li{margin:.42em 0}.article-content blockquote{margin:1.4em 0;padding:18px 20px;border-left:4px solid var(--blue);background:#f2f5ff;border-radius:0 12px 12px 0;color:#24324a}.article-content img{display:block;max-width:100%;height:auto;margin:24px auto;border-radius:14px}.article-content table{width:100%;border-collapse:collapse;margin:24px 0;display:block;overflow-x:auto}.article-content th,.article-content td{padding:11px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}.article-content pre,.article-content code{max-width:100%;overflow:auto}.article-content pre{padding:16px;background:#0f172a;color:#e2e8f0;border-radius:12px}.article-content .separator{text-align:center}.article-content .full-width,.article-content [class*="full-width"]{width:100%!important}.article-content .grid{display:grid;gap:18px}.article-content .grid-md-2{grid-template-columns:repeat(2,minmax(0,1fr))}.article-content .card,.article-content [class*="card"]{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}.article-content .container{width:100%;max-width:100%}.article-content .btn,.article-content button,.article-content input[type=submit]{border:0;background:var(--blue);color:#fff;border-radius:10px;padding:12px 18px;font-weight:700;cursor:pointer}.article-content label{display:block;font-weight:650;margin:0 0 6px}.article-content input,.article-content textarea,.article-content select{width:100%;max-width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}.article-content textarea{min-height:140px;resize:vertical}.article-content .form-group{margin-bottom:16px}.article-content form{padding:20px;border-radius:16px;background:#f8fafc;border:1px solid var(--line)}.notice{padding:15px 18px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;color:#1e3a8a;font-size:14px;margin-bottom:22px}.sitemap-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0;list-style:none}.sitemap-list li{margin:0}.sitemap-list a{display:block;padding:12px 14px;background:#f8fafc;border:1px solid var(--line);border-radius:10px}
.site-footer{background:#0a1025;color:#cbd5e1;padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:46px}.footer-brand{font-size:27px;font-weight:800;color:#fff}.site-footer p{max-width:620px}.site-footer nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.site-footer a{color:#fff}.copyright{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
@media(max-width:900px){.site-header{position:relative}.topbar{display:none}.header-main{min-height:68px}.brand{font-size:23px}.brand img{width:42px;height:42px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}.site-nav{display:none;position:absolute;top:68px;left:18px;right:18px;margin:0;padding:8px 16px 14px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a{padding:11px 2px;border-bottom:1px solid #eef2f7}.site-nav a:last-child{border-bottom:0}.hero{padding:48px 0}.hero-grid{grid-template-columns:1fr}.hero-card{max-width:650px}.topic-grid{grid-template-columns:1fr 1fr}.article-head{padding:30px 26px 22px}.article-hero{padding:0 26px 10px}.article-content{padding:22px 26px 36px}.footer-grid{grid-template-columns:1fr}.site-footer nav{max-width:500px}}
@media(max-width:640px){.wrap{width:min(var(--max),calc(100% - 24px))}.hero h1{font-size:39px}.hero p{font-size:17px}.section{padding:40px 0}.section-title{display:block}.section-title p{margin-top:7px}.post-grid,.topic-grid{grid-template-columns:1fr}.article-card{width:calc(100% - 20px);border-radius:16px}.article-head{padding:24px 18px 19px}.article-head h1{font-size:32px}.article-hero{padding:0 18px 6px}.article-content{padding:18px 18px 30px;font-size:16px}.article-content h2{font-size:25px}.article-content h3{font-size:21px}.article-content .grid-md-2,.sitemap-list{grid-template-columns:1fr}.footer-grid{gap:24px}.site-footer nav{grid-template-columns:1fr 1fr}}