:root{
            --brand-primary:#2563EB;
            --brand-primary-hover:#1D4ED8;
            --brand-cyan:#06B6D4;
            --brand-violet:#7C3AED;
            --brand-deep:#0B1220;
            --brand-navy:#0F2A4A;
            --bg-page:#F8FAFC;
            --bg-card:#FFFFFF;
            --bg-muted:#F1F5F9;
            --border:#E2E8F0;
            --text-primary:#0F172A;
            --text-secondary:#475569;
            --text-muted:#64748B;
            --success:#10B981;
            --warning:#F59E0B;
            --danger:#EF4444;
            --info:#0EA5E9;
            --radius-btn:12px;
            --radius-card:16px;
            --radius-section:24px;
            --shadow-card:0 8px 24px rgba(15,23,42,.08);
            --shadow-hover:0 16px 40px rgba(15,23,42,.14);
            --container:1200px;
            --header-h:72px;
        }

        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
        body{
            margin:0;
            font-family:"Inter","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
            font-size:16px;
            line-height:1.75;
            color:var(--text-primary);
            background:var(--bg-page);
            -webkit-font-smoothing:antialiased;
        }
        h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
        p{margin:0}
        ul,ol{margin:0;padding:0;list-style:none}
        img{max-width:100%;display:block}
        a{color:var(--brand-primary);text-decoration:none;transition:color .2s}
        a:hover{color:var(--brand-primary-hover)}
        button{font-family:inherit}
        :focus-visible{outline:2px solid var(--brand-primary);outline-offset:3px;border-radius:6px}

        .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
        .section{padding:64px 0}
        .section--soft{background:var(--bg-muted)}

        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:10px;
            height:52px;padding:0 28px;border:1px solid transparent;border-radius:var(--radius-btn);
            font-size:16px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
            transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
        }
        .btn i{font-size:15px}
        .btn-primary{background:var(--brand-primary);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.24)}
        .btn-primary:hover{background:var(--brand-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.32)}
        .btn-outline{background:#fff;color:var(--text-primary);border-color:var(--border)}
        .btn-outline:hover{background:var(--bg-muted);border-color:#CBD5E1;color:var(--text-primary)}
        .btn-sm{height:44px;padding:0 20px;font-size:14px}
        .btn-block{width:100%}

        .site-header{
            position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
            transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
            border-bottom:1px solid transparent;
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
        .brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em}
        .brand:hover{color:#fff}
        .brand-mark{
            width:34px;height:34px;border-radius:8px;object-fit:contain;
            background:rgba(255,255,255,.12);
            box-shadow:0 6px 16px rgba(6,182,212,.28);
        }
        .nav{display:flex;align-items:center;gap:4px}
        .nav a{
            display:inline-block;padding:8px 14px;border-radius:10px;
            color:rgba(255,255,255,.82);font-size:15px;font-weight:500;transition:.2s;
        }
        .nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
        .header-actions{display:flex;align-items:center;gap:12px}
        .header-actions .btn-sm{box-shadow:0 6px 16px rgba(37,99,235,.35)}
        .nav-toggle{
            display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
            background:rgba(255,255,255,.08);color:#fff;font-size:18px;cursor:pointer;
        }
        .site-header.scrolled{
            background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);
            border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(15,23,42,.06);
        }
        .site-header.scrolled .brand{color:var(--text-primary)}
        .site-header.scrolled .nav a{color:var(--text-secondary)}
        .site-header.scrolled .nav a:hover{color:var(--brand-primary);background:#EFF6FF}
        .site-header.scrolled .nav-toggle{color:var(--text-primary);border-color:var(--border);background:#fff}
        .site-header.scrolled .brand-mark{background:rgba(37,99,235,.08)}

        .support-fab{
            position:fixed;right:24px;bottom:24px;z-index:90;
            display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 20px;
            border-radius:999px;background:var(--brand-deep);color:#fff;font-size:15px;font-weight:600;
            box-shadow:0 12px 32px rgba(11,18,32,.32);transition:.2s;
        }
        .support-fab:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 40px rgba(11,18,32,.4)}
        .support-fab .dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(16,185,129,.22)}

        .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.68);padding:72px 0 32px;font-size:14px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
        .footer-brand .brand{color:#fff;margin-bottom:16px}
        .footer-brand p{max-width:320px;color:rgba(255,255,255,.6);line-height:1.9}
        .footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
        .footer-col li{margin-bottom:11px}
        .footer-col a{color:rgba(255,255,255,.66)}
        .footer-col a:hover{color:#fff}
        .footer-bottom{padding-top:28px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;color:rgba(255,255,255,.45);font-size:13px}
        .footer-bottom p{max-width:720px}

        @media (max-width:1024px){
            .nav{display:none}
            .nav-toggle{display:grid;place-items:center}
            .header-actions .btn-sm{display:none}
            .nav.open{
                display:flex;flex-direction:column;align-items:stretch;gap:4px;
                position:absolute;top:var(--header-h);left:16px;right:16px;
                background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
                padding:12px;box-shadow:var(--shadow-hover);
            }
            .nav.open a{color:var(--text-secondary);padding:12px 16px}
            .nav.open a:hover{background:#EFF6FF;color:var(--brand-primary)}
        }
        @media (max-width:768px){
            .section{padding:48px 0}
            .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
            .footer-brand{grid-column:1/-1}
            .support-fab{right:16px;bottom:16px;height:48px;padding:0 16px;font-size:14px}
        }
        @media (max-width:480px){
            .footer-grid{grid-template-columns:1fr}
            .btn{height:50px;padding:0 22px;font-size:15px}
        }
        @media (prefers-reduced-motion:reduce){
            *{animation:none !important;transition:none !important}
            html{scroll-behavior:auto}
        }

.page-blog .blog-hero{
            position:relative;overflow:hidden;
            padding: calc(var(--header-h) + 72px) 0 64px;
            background:
                radial-gradient(900px 520px at 82% 8%,rgba(6,182,212,.24),transparent 62%),
                linear-gradient(135deg,#0B1220 0%,#0F2A4A 60%,#1E3A8A 100%);
            color:#fff;
            text-align: center;
        }
        .page-blog .blog-hero::after{
            content:"";position:absolute;inset:0;pointer-events:none;
            background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);
            background-size:32px 32px;opacity:.4;
        }
        .page-blog .blog-hero .container{ position: relative; z-index: 1; }
        .page-blog .blog-hero h1{ font-size: clamp(32px, 4vw, 42px); margin-bottom: 16px; color: #fff; }
        .page-blog .blog-hero p{ font-size: 17px; color: rgba(255,255,255,.8); max-width: 760px; margin: 0 auto; line-height: 1.8; }

        .page-blog .blog-layout{ padding: 64px 0; }
        
        .page-blog .featured-post{
            display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
            background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-section);
            overflow: hidden; box-shadow: var(--shadow-card); margin-bottom: 48px; transition: 0.2s;
        }
        .page-blog .featured-post:hover{ transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .page-blog .featured-cover{
            position: relative; overflow: hidden; aspect-ratio: 16/10;
        }
        .page-blog .featured-cover img{
            width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease;
        }
        .page-blog .featured-post:hover .featured-cover img{ transform: scale(1.03); }

        .page-blog .featured-content{ padding: 48px; display: flex; flex-direction: column; justify-content: center; }
        .page-blog .post-tag{
            display: inline-block; padding: 4px 12px; border-radius: 999px;
            background: #EFF6FF; color: var(--brand-primary); font-size: 13px; font-weight: 600; margin-bottom: 16px; align-self: flex-start;
        }
        .page-blog .featured-content h2{ font-size: 28px; margin-bottom: 16px; line-height: 1.4; }
        .page-blog .featured-content h2 a{ color: var(--text-primary); }
        .page-blog .featured-content h2 a:hover{ color: var(--brand-primary); }
        .page-blog .featured-content p{ font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
        .page-blog .post-meta{ display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); }
        .page-blog .read-more{ font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; }
        .page-blog .read-more i{ font-size: 12px; transition: transform 0.2s; }
        .page-blog .featured-post:hover .read-more i{ transform: translateX(4px); }

        .page-blog .post-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .page-blog .post-card{
            background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-card);
            overflow: hidden; display: flex; flex-direction: column; transition: 0.2s;
        }
        .page-blog .post-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: #BFDBFE; }
        
        .page-blog .post-cover{
            position: relative; overflow: hidden; aspect-ratio: 16/10; background: var(--bg-muted);
        }
        .page-blog .post-cover img{
            width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease;
        }
        .page-blog .post-card:hover .post-cover img{ transform: scale(1.05); }

        .page-blog .post-body{ padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
        .page-blog .post-body h3{ font-size: 18px; margin-bottom: 12px; line-height: 1.4; }
        .page-blog .post-body h3 a{ color: var(--text-primary); }
        .page-blog .post-body h3 a:hover{ color: var(--brand-primary); }
        .page-blog .post-body p{ font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; flex-grow: 1; }
        .page-blog .post-body .post-meta{ font-size: 12px; }

        .page-blog .pagination{
            display: flex; justify-content: center; gap: 8px; margin-top: 64px;
        }
        .page-blog .page-num{
            width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px;
            border: 1px solid var(--border); background: var(--bg-card); color: var(--text-secondary);
            font-size: 14px; font-weight: 600; transition: 0.2s;
        }
        .page-blog .page-num:hover, .page-blog .page-num.active{
            background: var(--brand-primary); color: #fff; border-color: var(--brand-primary);
        }

        @media (max-width: 1024px) {
            .page-blog .featured-post { grid-template-columns: 1fr; }
            .page-blog .post-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .page-blog .post-grid { grid-template-columns: 1fr; }
            .page-blog .featured-content { padding: 32px; }
            .page-blog .featured-content h2 { font-size: 24px; }
        }