/* r2 - 终端CLI风格(浅底) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Fira Code",Consolas,monospace;background:#f8fafc;color:#1e293b;font-size:14px;line-height:1.8}
a{color:#0891b2;text-decoration:none}a:hover{text-decoration:underline}
.r2-container{max-width:900px;margin:0 auto;padding:0 20px}
.r2-nav{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;margin:12px 0;background:#fff;border:2px solid #cbd5e1;border-radius:8px;font-family:monospace}.r2-nav .r2-brand{font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;color:#0f172a}.r2-nav .r2-brand::before{content:'$ ';color:#0891b2}.r2-nav .r2-brand img{height:24px}.r2-nav .r2-links{display:flex;gap:8px}.r2-nav .r2-links a{padding:4px 12px;border:1px solid #e2e8f0;border-radius:4px;font-size:12px;color:#64748b}.r2-nav .r2-links a:hover{background:#f0fdfa;border-color:#0891b2}.r2-nav .drop{position:relative}.r2-nav .drop-menu{display:none;position:absolute;top:100%;right:0;background:#fff;border:2px solid #cbd5e1;border-radius:6px;min-width:150px;padding:4px 0}.r2-nav .drop:hover .drop-menu{display:block}.r2-nav .drop-menu a{display:block;padding:6px 14px;font-size:12px}
.r2-btn{display:inline-block;padding:8px 20px;border:2px solid #0f172a;border-radius:4px;font-size:12px;font-weight:700;cursor:pointer;background:#0f172a;color:#f8fafc;font-family:monospace}.r2-btn:hover{background:#0891b2;border-color:#0891b2}.r2-btn-outline{background:transparent;color:#0f172a}
.r2-hero{text-align:center;padding:50px 0 40px}.r2-hero .r2-prompt{display:inline-block;background:#fff;border:2px solid #cbd5e1;border-radius:6px;padding:8px 20px;font-size:12px;color:#64748b;font-family:monospace;margin-bottom:20px}.r2-hero .r2-prompt::before{content:'$ ';color:#0891b2}.r2-hero h1{font-size:32px;font-weight:700;margin-bottom:12px}.r2-hero p{color:#64748b;font-size:14px;max-width:480px;margin:0 auto 24px;font-family:Inter,sans-serif}
.r2-stats{display:flex;justify-content:space-around;padding:20px;background:#fff;border:2px solid #e2e8f0;border-radius:8px;margin:20px 0;text-align:center}.r2-stat .rs-val{font-size:28px;font-weight:700;color:#0891b2;font-family:monospace}.r2-stat .rs-lbl{font-size:11px;color:#94a3b8;font-family:monospace;margin-top:4px}
.r2-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.r2-card{background:#fff;border:2px solid #e2e8f0;border-radius:6px;overflow:hidden;transition:.2s}.r2-card:hover{border-color:#0891b2;box-shadow:0 4px 12px rgba(0,0,0,0.04)}.r2-card .rc-thumb{height:130px;overflow:hidden;border-bottom:2px solid #e2e8f0}.r2-card .rc-thumb img{width:100%;height:100%;object-fit:cover}.r2-card .rc-body{padding:14px 16px}.r2-card .rc-body h4{font-size:13px;font-weight:700}.r2-card .rc-body .rc-meta{font-size:10px;color:#94a3b8;font-family:monospace}
.r2-hgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:30px 0}.r2-hcard{display:flex;background:#fff;border:2px solid #e2e8f0;border-radius:6px;overflow:hidden}.r2-hcard .rh-img{width:180px;flex-shrink:0;border-right:2px solid #e2e8f0}.r2-hcard .rh-img img{width:100%;height:100%;object-fit:cover}.r2-hcard .rh-body{padding:20px}.r2-hcard .rh-body .rh-tag{display:inline-block;background:#0f172a;color:#f8fafc;padding:2px 8px;font-size:9px;font-family:monospace;margin-bottom:8px;border-radius:3px}.r2-hcard .rh-body h4{font-size:15px;font-weight:700}.r2-hcard .rh-body p{font-size:12px;color:#64748b;font-family:Inter,sans-serif}
.r2-faq .fq{background:#fff;border:2px solid #e2e8f0;border-radius:6px;margin-bottom:6px;overflow:hidden}.r2-faq .fq .q{padding:12px 18px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;font-family:monospace}.r2-faq .fq .q::after{content:'[+]'}.r2-faq .fq.open .q::after{content:'[-]'}.r2-faq .fq .a{padding:0 18px;max-height:0;overflow:hidden;transition:.3s;font-family:Inter,sans-serif;color:#64748b}.r2-faq .fq.open .a{padding:0 18px 12px;max-height:240px}
.r2-cta{text-align:center;padding:40px 0;background:#fff;border:2px solid #0891b2;border-radius:8px;margin:30px 0}.r2-cta h2{font-size:24px;font-weight:700}.r2-cta h2::before{content:'$ ';color:#0891b2}.r2-cta p{color:#64748b;margin-bottom:20px;font-family:Inter,sans-serif}
.r2-partners{overflow:hidden;padding:24px 0}.r2-partners .track{display:flex;gap:14px;animation:r2p 24s linear infinite;width:fit-content}.r2-partners .item{flex-shrink:0;background:#fff;border:2px solid #e2e8f0;border-radius:6px;padding:10px 18px}.r2-partners .item img{height:28px;opacity:0.5}.r2-partners .item:hover img{opacity:1}@keyframes r2p{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.r2-footer{background:#0f172a;color:#94a3b8;padding:30px 0 20px;font-size:12px;text-align:center;font-family:monospace}.r2-footer a{color:#94a3b8}
.r2-detail{padding-top:24px}.r2-row{display:flex;gap:20px;flex-wrap:wrap}.r2-col-main{flex:2}.r2-col-side{flex:1;min-width:240px}.r2-pcard{background:#fff;border:2px solid #e2e8f0;border-radius:6px;margin-bottom:14px}.r2-pcard-hd{padding:12px 16px;border-bottom:2px solid #e2e8f0;font-weight:700;font-family:monospace}.r2-pcard-bd{padding:16px}.r2-bread{font-size:11px;color:#94a3b8;padding:8px 0;font-family:monospace}.r2-art-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid #f1f5f9}.r2-art-item .art-t{width:140px;height:90px;border:2px solid #e2e8f0;border-radius:4px;overflow:hidden;flex-shrink:0}.r2-art-item .art-t img{width:100%;height:100%;object-fit:cover}.r2-art-item .art-i h4{font-size:13px;font-weight:700}.r2-art-item .art-i .art-d{font-size:11px;color:#94a3b8;font-family:monospace;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.r2-list-i{padding:6px 0;border-bottom:1px solid #f8fafc}.r2-list-i a{font-size:12px;color:#475569;font-family:monospace}.r2-tags{display:flex;gap:4px;flex-wrap:wrap}.r2-tags a{padding:3px 8px;border:1px solid #e2e8f0;border-radius:4px;font-size:10px;font-family:monospace;color:#0891b2}.r2-pag{display:flex;justify-content:center;gap:4px;padding:20px 0;font-family:monospace}.r2-pag a,.r2-pag span{padding:6px 12px;border:1px solid #e2e8f0;border-radius:4px;font-size:11px;color:#64748b}.r2-pag a:hover{background:#0891b2;color:#fff}.r2-pag .active span{background:#0891b2;color:#fff}.r2-404{text-align:center;padding:100px 20px;font-family:monospace}
@media(max-width:768px){.r2-nav{flex-wrap:wrap;gap:6px;justify-content:center}.r2-nav .r2-brand{width:100%;justify-content:center}.r2-grid3{grid-template-columns:1fr}.r2-hgrid{grid-template-columns:1fr}}.r2-tagstrip a{padding:5px 16px;border:1px solid #e2e8f0;font-size:11px;font-family:monospace;color:#64748b;border-radius:4px}.r2-tagstrip a:hover{background:#0891b2;color:#fff}
.r2-icon{text-align:center;padding:26px 18px;background:#fff;border:2px solid #e2e8f0;border-radius:6px}.r2-icon .pi-img{width:54px;height:54px;margin:0 auto 12px;overflow:hidden;border-radius:10px}.r2-icon .pi-img img{width:100%;height:100%;object-fit:cover}.r2-icon h4{font-size:14px;font-weight:700}.r2-icon p{font-size:12px;color:#888}
.r2-review{text-align:center;padding:22px 16px;background:#fff;border:2px solid #e2e8f0;border-radius:6px}.r2-review .pr-stars{font-size:14px;color:#0891b2;margin-bottom:6px}.r2-review .pr-text{font-size:12px;color:#666;line-height:1.7}.r2-review .pr-name{font-weight:700;font-size:12px;margin-top:6px}
@media(max-width:768px){.r2-icons{grid-template-columns:1fr 1fr}.r2-reviews{grid-template-columns:1fr}}