*{margin:0;padding:0;box-sizing:border-box}
:root{--ac:#5EFF6D;--a2:#3AD94A;--b1:#1319FF;--b2:#0E12B8;--tx:#0a0a1a;--mt:#444466}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:#f5f6fa;color:var(--tx);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}

/* Nav */
.navbar{background:var(--ac);padding:0 24px;position:sticky;top:0;z-index:100}
.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:52px}
.nav-logo{font-size:1rem;font-weight:900;color:var(--tx);letter-spacing:1px}
.nav-links{display:flex;gap:24px;font-size:.78rem}
.nav-links a{color:rgba(10,10,26,.6);font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:rgba(10,10,26,.95)}
.nav-actions{display:flex;gap:10px}
.btn-primary{padding:6px 18px;border-radius:6px;background:var(--b1);color:#fff;font-size:.72rem;font-weight:700;cursor:pointer;transition:opacity .2s;border:none}
.btn-primary:hover{opacity:.88}

/* Hero */
.hero{position:relative;min-height:480px;background:linear-gradient(135deg,#1319FF 0%,#2A5EFF 10%,#5EFF6D 50%,#2A5EFF 90%,#1319FF 100%);display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg-text{position:absolute;font-size:clamp(5rem,12vw,10rem);font-weight:900;color:rgba(10,10,26,.04);letter-spacing:8px;top:50%;left:50%;transform:translate(-50%,-50%);white-space:nowrap;pointer-events:none;font-family:Georgia,serif;z-index:1}
.hero-grad-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 20% 40%,rgba(19,25,255,.2),transparent 50%),radial-gradient(ellipse at 80% 60%,rgba(10,10,26,.15),transparent 50%);z-index:1}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(10,10,26,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(10,10,26,.05) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;padding:80px 24px}
.hero-tag{display:inline-block;padding:4px 16px;border-radius:50px;border:1px solid rgba(10,10,26,.15);color:rgba(10,10,26,.6);font-size:.65rem;font-weight:600;margin-bottom:18px;letter-spacing:2px}
.hero h1{font-size:clamp(2rem,5vw,3.6rem);font-weight:900;color:#0a0a1a;letter-spacing:3px;line-height:1.15;margin-bottom:10px}
.hero h1 .hl{color:var(--b1)}
.hero-desc{font-size:.75rem;color:rgba(10,10,26,.5);margin-bottom:22px;letter-spacing:2px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-hero-primary{padding:12px 32px;border-radius:8px;background:var(--b1);color:#fff;font-weight:700;font-size:.78rem;cursor:pointer;border:none;transition:opacity .2s}
.btn-hero-primary:hover{opacity:.88}
.btn-hero-secondary{padding:12px 32px;border-radius:8px;border:1.5px solid rgba(10,10,26,.15);color:rgba(10,10,26,.55);font-size:.78rem;background:transparent;cursor:pointer;transition:all .2s}
.btn-hero-secondary:hover{border-color:rgba(10,10,26,.35)}

/* Data Bar */
.data-bar{background:#fff;padding:22px 24px;display:flex;justify-content:center;gap:40px;flex-wrap:wrap;border-bottom:1px solid #f0f0f5}
.data-item{text-align:center}
.data-num{font-size:.95rem;font-weight:900;color:var(--b1)}
.data-label{font-size:.55rem;color:#9999b0;letter-spacing:.5px}

/* Sections */
.section{padding:40px 20px;max-width:1080px;margin:0 auto}
.sec-title{font-size:1.05rem;font-weight:900;text-align:center;margin-bottom:22px;letter-spacing:2px;color:var(--b1);position:relative}
.sec-title::after{content:'';display:block;width:50px;height:3px;background:var(--ac);margin:7px auto 0;border-radius:2px}
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.art-card{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#fff;border-radius:8px;text-decoration:none;color:#333;font-size:.68rem;font-weight:500;border-left:3px solid var(--ac);box-shadow:0 1px 4px rgba(0,0,0,.03);transition:all .2s}
.art-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.06);border-left-color:var(--b1)}
.art-num{font-weight:900;font-size:.6rem;color:var(--b1);opacity:.5;min-width:22px}
.art-title{flex:1}
.sec-more{text-align:center;margin-top:18px}
.sec-more a{font-size:.72rem;color:var(--b1);font-weight:600}

/* CTA */
.cta-section{background:var(--b1);padding:40px 24px;text-align:center;margin-top:10px}
.cta-inner{max-width:600px;margin:0 auto}
.cta-inner h2{font-size:1.1rem;font-weight:900;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:.7rem;color:rgba(255,255,255,.5);margin-bottom:20px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-cta-primary{padding:12px 30px;border-radius:8px;background:var(--ac);color:var(--tx);font-weight:800;font-size:.78rem;cursor:pointer;border:none;transition:opacity .2s}
.btn-cta-primary:hover{opacity:.88}
.btn-cta-secondary{padding:12px 30px;border-radius:8px;border:1.5px solid rgba(255,255,255,.25);color:rgba(255,255,255,.7);font-size:.78rem;background:transparent;cursor:pointer;transition:all .2s}
.btn-cta-secondary:hover{border-color:rgba(255,255,255,.5)}

/* Footer */
.footer{background:var(--b2);padding:20px 24px;text-align:center}
.footer-inner{max-width:600px;margin:0 auto}
.footer-links{font-size:.62rem;color:rgba(255,255,255,.35);margin-bottom:6px}
.footer-links a{color:rgba(255,255,255,.4);margin:0 4px}
.footer-copy{font-size:.55rem;color:rgba(255,255,255,.25)}

/* Responsive */
@media(max-width:640px){
.art-grid{grid-template-columns:1fr}
.nav-links{gap:14px;font-size:.72rem}
.data-bar{gap:20px}
.hero{min-height:400px}
}

/* Article page styles */
.art-page{max-width:780px;margin:0 auto;padding:24px 16px;background:#fff;min-height:80vh}
.art-bread{font-size:.6rem;color:#999;margin-bottom:12px}
.art-bread a{color:var(--b1)}
.art-page h1{font-size:1.3rem;font-weight:900;margin-bottom:10px;line-height:1.3}
.art-meta{font-size:.6rem;color:#aaa;margin-bottom:18px}
.art-content{font-size:.78rem;line-height:1.9;color:#333}
.art-content p{margin-bottom:14px;text-indent:2em}
.art-content h2,.art-content h3{margin:20px 0 10px;font-weight:700}
.art-content h2{font-size:.95rem;color:var(--b1)}
.art-content h3{font-size:.85rem}
.art-reg{margin:24px 0;padding:18px;background:linear-gradient(135deg,#f0f9f0,#e8f4ff);border-radius:10px;text-align:center}
.art-reg p{font-size:.68rem;color:#666;margin-bottom:12px}
.reg-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.reg-btns a{padding:10px 24px;border-radius:6px;font-size:.72rem;font-weight:700;cursor:pointer}
.art-nav{display:flex;justify-content:space-between;margin:20px 0;gap:10px}
.art-nav a{font-size:.68rem;color:var(--b1);font-weight:500;padding:6px 12px;border-radius:4px;background:#f8f9fb}
.art-nav a:hover{background:var(--ac)}
.art-nav .disabled{color:#ccc;background:#f5f5f5;pointer-events:none}
.art-disclaimer{font-size:.55rem;color:#bbb;border-top:1px solid #eee;padding-top:12px;margin-top:20px;line-height:1.6}
.cat-header{max-width:780px;margin:0 auto;padding:24px 16px}
.cat-header h1{font-size:1.2rem;font-weight:900;color:var(--b1)}
.cat-list{max-width:780px;margin:0 auto;padding:0 16px 40px}
.cat-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-radius:6px;margin-bottom:6px;border-left:3px solid var(--ac);font-size:.72rem;transition:all .2s}
.cat-item:hover{border-left-color:var(--b1);background:#fafbff}
.cat-item .num{color:var(--b1);font-weight:900;font-size:.65rem;min-width:28px}
.cat-item .title{flex:1;color:#333}
.cat-item .date{font-size:.55rem;color:#bbb}