:root{
--b1:#eef3f7;--b2:#dce6ed;--ac:#0f2027;--a2:#1a3340;--tx:#0b1620;--mt:#5a6b78;
--bd:rgba(15,32,39,0.15);--navbg:rgba(238,243,247,0.97);--cardbg:rgba(255,255,255,0.92);--r:8px;--fn:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif}
*{margin:0;padding:0;box-sizing:border-box;text-decoration:none}
body{font-family:var(--fn);background:var(--b1);color:var(--tx);line-height:1.6}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--navbg);backdrop-filter:blur(20px);border-bottom:1px solid var(--bd)}
.nav-inner{max-width:960px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-logo{font-size:1.05rem;font-weight:700;color:var(--ac);letter-spacing:.5px}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a,.nav-links .nav-cta{padding:6px 16px;font-size:.82rem;color:var(--mt);border-radius:6px}
.nav-links a:hover{color:var(--ac);background:var(--cardbg)}
.nav-cta{padding:7px 20px!important;background:linear-gradient(135deg,var(--ac),var(--a2));color:#fff!important;border-radius:8px!important;font-weight:600;cursor:pointer;border:none}

/* 方案B: 左文右数据 Hero */
.hero-b2{padding:60px 24px 50px;background:linear-gradient(135deg,#0f2027,#1a3340,#203a43);}
.hero-b2-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:30px}
.hero-b2-left{flex:1}
.hero-b2-tag{display:inline-block;padding:3px 12px;border-radius:50px;background:rgba(56,189,248,0.15);color:#38bdf8;font-size:.6rem;font-weight:600;margin-bottom:8px}
.hero-b2-left h1{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:700;color:#f0f4f8;margin-bottom:8px;line-height:1.3}
.hero-b2-left h1 span{color:#38bdf8}
.hero-b2-left p{font-size:.72rem;color:rgba(240,244,248,0.55);margin-bottom:16px;line-height:1.5}
.hero-b2-btns{display:flex;gap:10px}
.hero-b2-btn{padding:10px 26px;border-radius:50px;background:linear-gradient(135deg,#38bdf8,#0ea5e9);color:#fff;font-weight:600;font-size:.8rem;cursor:pointer;transition:all .3s;border:none}
.hero-b2-btn-o{padding:10px 26px;border-radius:50px;border:1.5px solid rgba(56,189,248,0.4);color:#38bdf8;font-weight:600;font-size:.8rem;cursor:pointer;background:transparent}

/* Data cards on the right */
.hero-b2-right{flex:0 0 320px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hero-dc{background:rgba(255,255,255,0.08);border-radius:10px;padding:14px;text-align:center;backdrop-filter:blur(5px)}
.hero-dc-num{font-size:1.1rem;font-weight:800;color:#38bdf8;margin-bottom:2px}
.hero-dc-lbl{font-size:.55rem;color:rgba(240,244,248,0.5)}
.hero-dc-wide{grid-column:1/3;display:flex;align-items:center;justify-content:center;gap:16px;padding:10px}
.hero-dc-wide .hero-dc-num{font-size:.85rem}

/* Bento Grid section (post-Hero) */
.bento-wrap{max-width:960px;margin:0 auto;padding:40px 24px}
.bento-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;grid-template-rows:auto auto;gap:12px}
.bento-b1{grid-column:1/3;grid-row:1/3;background:linear-gradient(135deg,#142838,#1f3f50);border-radius:16px;padding:28px 24px;color:#f0f4f8;display:flex;flex-direction:column;justify-content:flex-end;min-height:220px}
.bento-b1 .tag{display:inline-block;padding:2px 10px;background:rgba(56,189,248,0.15);color:#38bdf8;border-radius:50px;font-size:.6rem;font-weight:600;margin-bottom:8px;width:fit-content}
.bento-b1 h3{font-size:1rem;font-weight:700;line-height:1.3;margin-bottom:4px}
.bento-b1 p{font-size:.65rem;opacity:.5}
.bento-sm{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:18px 14px;text-align:center;display:flex;flex-direction:column;justify-content:center;transition:all .3s}
.bento-sm:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(15,32,39,0.06)}
.bento-sm .icon{font-size:1.3rem;margin-bottom:4px}
.bento-sm h4{font-size:.72rem;font-weight:600;color:var(--tx);margin-bottom:2px}
.bento-sm p{font-size:.6rem;color:var(--mt)}
.bento-wide{grid-column:3/5;background:linear-gradient(135deg,#0f2027,#2c5364);border-radius:14px;padding:18px 24px;display:flex;align-items:center;gap:14px;min-height:80px}
.bento-wide .bn{font-size:1.8rem;font-weight:800;color:#38bdf8;flex-shrink:0}
.bento-wide .bi h4{font-size:.75rem;font-weight:600;color:#f0f4f8;margin-bottom:2px}
.bento-wide .bi p{font-size:.6rem;color:rgba(240,244,248,0.5)}

/* 双栏列表 (方案B) */
.section{padding:40px 24px}
.section-alt{background:var(--b2)}
.section-inner{max-width:960px;margin:0 auto}
.sec-title{text-align:center;margin-bottom:20px}
.sec-title h2{font-size:1rem;font-weight:700;color:var(--tx);margin-bottom:4px}
.sec-title p{font-size:.68rem;color:var(--mt)}
.b-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;text-align:left}
.b-col{border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:#fff}
.b-col-header{padding:11px 16px;font-size:.8rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#0f2027,#203a43)}
.b-item{display:flex;align-items:center;gap:10px;padding:9px 16px;border-bottom:1px solid var(--b2);color:var(--tx);text-decoration:none;font-size:.73rem;transition:all .15s}
.b-item:last-child{border-bottom:none}
.b-item:hover{background:rgba(15,32,39,0.03);color:#2c5364}
.b-num{font-size:.62rem;font-weight:700;color:#2c5364;min-width:18px;text-align:center}
.b-text{flex:1}
.b-arrow{color:#ccc;font-size:.58rem}

/* CTA + Footer */
.cta-sec{padding:45px 24px;background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);text-align:center}
.cta-sec h2{font-size:clamp(1rem,2vw,1.2rem);font-weight:700;margin-bottom:6px;color:#f0f4f8}
.cta-sec p{font-size:.7rem;color:rgba(240,244,248,0.5);margin-bottom:16px}
.cta-btn{display:inline-flex;padding:11px 28px;border-radius:50px;background:#38bdf8;color:#0f2027;font-weight:600;font-size:.8rem;cursor:pointer}
.footer-s{background:#0b1620;padding:24px;text-align:center;color:rgba(255,255,255,0.3);font-size:.68rem}
.footer-s a,.footer-s span{color:#38bdf8}

@media(max-width:700px){
.hero-b2-inner{flex-direction:column}
.hero-b2-right{flex:1;width:100%;grid-template-columns:1fr 1fr}
.bento-grid{grid-template-columns:1fr 1fr}
.bento-b1{grid-column:1/3;grid-row:auto}
.bento-wide{grid-column:1/3}
.b-cols{grid-template-columns:1fr}
}
/* Article pages */
.x5ab_h{background:var(--navbg);border-bottom:1px solid var(--bd);position:fixed;top:0;left:0;right:0;z-index:100}
.x5ab_hi{max-width:960px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px}
.x5ab_lgo{font-size:1.05rem;font-weight:700;color:var(--ac)}
.x5ab_nv{display:flex;gap:2px;align-items:center}
.x5ab_nv a{padding:6px 16px;font-size:.82rem;color:var(--mt);border-radius:6px;text-decoration:none}
.x5ab_nv a:hover{color:var(--ac);background:var(--cardbg)}
.x5ab_aw{max-width:750px;margin:80px auto 0;padding:20px 24px 30px}
.x5ab_ab{display:inline-block;font-size:.72rem;color:var(--ac);margin-bottom:10px;text-decoration:none}
.x5ab_ac h1{font-size:1.3rem;font-weight:700;margin-bottom:18px;line-height:1.4;color:var(--tx)}
.x5ab_abd p{font-size:.85rem;line-height:1.8;margin-bottom:14px;text-indent:2em;color:var(--tx)}
.x5ab_ft{background:var(--tx);padding:24px;text-align:center;color:rgba(255,255,255,0.3);font-size:.68rem}
.x5ab_ft span{color:var(--ac)}
















.view-all{text-align:center;margin-top:14px}
.view-all a{display:inline-flex;padding:7px 22px;border-radius:50px;border:1px solid var(--ac);color:var(--ac);font-weight:600;font-size:.7rem;text-decoration:none}
.view-all a:hover{background:rgba(15,32,39,0.03)}
@media(max-width:700px){}





@media(max-width:700px){}

@media(max-width:700px){x5ab_aw{padding:20px 16px}}