/* roulang page: index */
:root{
      --ink:#f5f7ff;--muted:#aab4cf;--dim:#75819f;--bg:#080c18;--panel:#10182b;
      --panel2:#141f38;--line:rgba(173,190,235,.16);--cyan:#54e4d2;--violet:#8877ff;
      --orange:#ffb45b;--white:#fff;--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.28);
      --max:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:linear-gradient(105deg,#17104a 0%,#17245c 52%,#0c7c82 100%);border-bottom:1px solid rgba(255,255,255,.14);box-shadow:0 8px 30px rgba(0,0,0,.18)}
    .nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),#8b6cff);display:grid;place-items:center;color:#11183a;font-weight:900}
    .brand span{font-size:17px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 15px;border-radius:12px;color:#dce5ff}
    .nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.15);color:#fff}
    .nav-cta{padding:10px 17px!important;background:var(--cyan)!important;color:#071b2a!important;font-weight:800;box-shadow:0 8px 20px rgba(84,228,210,.22)}
    .nav-cta:hover{transform:translateY(-2px);background:#8cf5e8!important}
    .hero{min-height:650px;position:relative;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,rgba(8,12,24,.98) 15%,rgba(8,12,24,.78) 55%,rgba(8,12,24,.5)),url('/assets/images/acecebf4cee2cbbc.png') center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--bg))}
    .hero-content{position:relative;z-index:1;width:min(var(--max),calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-weight:800;font-size:12px;letter-spacing:1.4px;text-transform:uppercase}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--cyan)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-3px;margin:18px 0 22px;max-width:680px}
    .hero p{font-size:17px;color:#c3cce1;max-width:630px}
    .actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:13px 21px;border-radius:13px;border:1px solid var(--line);font-weight:800}
    .btn-primary{background:var(--cyan);color:#071b2a;border-color:var(--cyan)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(84,228,210,.24)}
    .btn-ghost{background:rgba(255,255,255,.07);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.15)}
    .code-panel{background:rgba(13,19,38,.86);border:1px solid rgba(143,164,235,.27);border-radius:20px;padding:20px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .code-top{display:flex;gap:7px;margin-bottom:18px}.code-top i{width:9px;height:9px;border-radius:50%;background:#ff6e83}.code-top i:nth-child(2){background:#ffc86c}.code-top i:nth-child(3){background:#5fe2be}
    pre{white-space:pre-wrap;color:#c6d4ff;font:13px/2 "SFMono-Regular",Consolas,monospace}.code-key{color:#6de8dc}.code-value{color:#ffbd78}
    main section{padding:94px 0;position:relative}.section-alt{background:#0d1425}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.2;letter-spacing:-1.4px}.section-head p{color:var(--muted);max-width:560px}
    .metrics{margin-top:-12px;position:relative;z-index:3}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:rgba(16,24,43,.92);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .metric{padding:25px 27px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;font-size:30px;color:#fff}.metric span{color:var(--dim);font-size:13px}
    .category-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}.category-card{min-height:190px;border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,#18254b,#11192c)}
    .category-card:nth-child(2){background:linear-gradient(135deg,#173b48,#11202d)}.category-card:nth-child(3){background:linear-gradient(135deg,#342550,#161b34)}
    .category-card h3{font-size:22px;margin:12px 0 7px}.category-card p{color:#b5c0d9;font-size:14px;max-width:290px}.category-card a{display:inline-block;margin-top:17px;color:var(--cyan);font-weight:800}.category-card:hover{transform:translateY(-5px);border-color:rgba(84,228,210,.5)}
    .badge{letter-spacing:0;font-size:11px;color:#10182b;background:var(--cyan);padding:3px 9px;border-radius:20px}.badge.orange{background:var(--orange)}
    .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}.feature-main{min-height:355px;position:relative;border-radius:var(--radius);overflow:hidden;background:url('/assets/images/22da751d57f1ace3.webp') center/cover}.feature-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(4,8,18,.95))}.feature-copy{position:absolute;z-index:1;bottom:27px;left:28px;right:28px}.feature-copy h3{font-size:28px;line-height:1.25;margin:9px 0}.feature-copy p{color:#c0cbe0}.side-list{display:grid;gap:16px}.mini-feature{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:15px;border:1px solid var(--line);border-radius:17px;background:var(--panel)}.mini-feature img{width:110px;height:92px;object-fit:cover;border-radius:11px}.mini-feature h3{font-size:16px;line-height:1.35;margin:4px 0}.mini-feature p{color:var(--muted);font-size:13px}
    .realtime{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px;align-items:stretch}.live-copy{padding:30px;border-radius:var(--radius);background:linear-gradient(145deg,#17284c,#13182e);border:1px solid var(--line)}.live-copy h2{font-size:33px;line-height:1.25;margin:15px 0}.live-copy p{color:var(--muted)}.live-board{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:18px}.match{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:18px;padding:18px 10px;border-bottom:1px solid var(--line)}.match:last-child{border:0}.match-time{color:var(--cyan);font-weight:800;font-size:13px}.match-team{font-weight:700}.match-team small{display:block;color:var(--dim);font-weight:400;font-size:12px}.score{font-size:18px;font-weight:900}.live-dot{color:#ff7182;font-size:12px;font-weight:800}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}.news-card img{height:175px;width:100%;object-fit:cover}.news-body{padding:20px}.news-body h3{font-size:18px;line-height:1.4;margin:9px 0}.news-body p{font-size:13px;color:var(--muted)}.news-body time{font-size:12px;color:var(--dim)}
    .rank-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rank-box{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:23px}.rank-box h3{margin-bottom:12px}.rank-row{display:grid;grid-template-columns:35px 1fr 70px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.rank-row:last-child{border:0}.rank-no{color:var(--orange);font-weight:900}.rank-name{font-weight:700}.rank-name small{display:block;color:var(--dim);font-weight:400;font-size:12px}.rank-score{text-align:right;color:var(--cyan);font-weight:800}
    .evidence{display:grid;grid-template-columns:1fr 1fr;gap:22px}.quote{padding:30px;border-radius:22px;background:url('/assets/images/d0f19b4b8f1ae4e8.png') center/cover;border:1px solid var(--line);min-height:230px;display:flex;flex-direction:column;justify-content:end}.quote p{font-size:20px;line-height:1.55;font-weight:700}.quote span{color:var(--cyan);margin-top:15px}.proof-list{display:grid;gap:13px}.proof{padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.proof strong{display:block;color:#fff;margin-bottom:3px}.proof span{color:var(--muted);font-size:13px}
    .partner-strip{display:flex;flex-wrap:wrap;gap:12px}.partner{flex:1 1 150px;padding:23px 18px;border:1px solid var(--line);border-radius:15px;text-align:center;color:#cdd6ec;background:rgba(16,24,43,.55);font-weight:800}.partner:hover{color:var(--cyan);border-color:var(--cyan)}
    .guard{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.guard-item{padding:22px;border-left:2px solid var(--cyan);background:rgba(255,255,255,.035)}.guard-item h3{font-size:16px}.guard-item p{color:var(--muted);font-size:13px;margin-top:5px}
    .signup{background:linear-gradient(105deg,#172650,#173d4a);border:1px solid rgba(84,228,210,.3);border-radius:26px;padding:46px;display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center}.signup h2{font-size:34px;line-height:1.25;margin:14px 0}.signup p{color:#bfcee3}.form{display:flex;gap:10px;background:rgba(5,10,22,.38);padding:8px;border:1px solid var(--line);border-radius:14px}.form input{min-width:0;flex:1;background:transparent;border:0;outline:0;color:white;padding:0 12px}.form input:focus{box-shadow:0 0 0 2px var(--cyan);border-radius:6px}.form button{border:0}
    footer{padding:55px 0 25px;background:#060a14;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-top p{color:var(--muted);max-width:400px;margin-top:13px}.footer-links{display:flex;gap:18px;color:#bbc6df}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:40px;padding-top:18px;color:var(--dim);font-size:12px;display:flex;justify-content:space-between}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:900px){.hero-content,.feature-layout,.realtime,.signup{grid-template-columns:1fr;gap:28px}.hero{min-height:700px}.category-grid{grid-template-columns:1fr 1fr}.category-card:first-child{grid-column:span 2}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.news-grid,.guard{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:620px){.container,.hero-content{width:min(100% - 28px,var(--max))}.nav{height:66px}.brand span{font-size:14px}.nav-links a:not(.nav-cta){display:none}.nav-links{gap:4px}.hero{min-height:710px}.hero-content{padding-top:35px}h1{font-size:42px;letter-spacing:-2px}.hero p{font-size:15px}.section-head{display:block}.section-head p{margin-top:12px}.category-grid,.rank-layout,.evidence,.news-grid,.guard{grid-template-columns:1fr}.category-card:first-child{grid-column:auto}.metric{padding:19px 15px}.metric strong{font-size:24px}.mini-feature{grid-template-columns:90px 1fr}.mini-feature img{width:90px;height:78px}.signup{padding:28px 21px}.signup h2{font-size:27px}.form{display:block;background:transparent;border:0;padding:0}.form input{width:100%;height:48px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;margin-bottom:10px}.form button{width:100%}.footer-top,.copyright{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.copyright span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
 --ink:#f5f7ff;--muted:#aab4cf;--dim:#75819f;--bg:#080c18;--panel:#10182b;
 --panel2:#141f38;--line:rgba(173,190,235,.16);--cyan:#54e4d2;--violet:#8877ff;
 --orange:#ffb45b;--white:#fff;--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.28);
 --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:linear-gradient(105deg,#17104a 0%,#17245c 52%,#0c7c82 100%);border-bottom:1px solid rgba(255,255,255,.14);box-shadow:0 8px 30px rgba(0,0,0,.18)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),#8b6cff);display:grid;place-items:center;color:#11183a;font-weight:900}
.brand span{font-size:17px}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 15px;border-radius:12px;color:#dce5ff}
.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.15);color:#fff}
.nav-cta{padding:10px 17px!important;background:var(--cyan)!important;color:#071b2a!important;font-weight:800;box-shadow:0 8px 20px rgba(84,228,210,.22)}
.nav-cta:hover{transform:translateY(-2px);background:#8cf5e8!important}
main section{padding:88px 0;position:relative}
.section-alt{background:#0d1425}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.2;letter-spacing:-1.4px}
.section-head p{color:var(--muted);max-width:560px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-weight:800;font-size:12px;letter-spacing:1.4px;text-transform:uppercase}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--cyan)}
.badge{letter-spacing:0;font-size:11px;color:#10182b;background:var(--cyan);padding:3px 9px;border-radius:20px}
.badge.orange{background:var(--orange)}
.page-hero{min-height:470px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(8,12,24,.98) 14%,rgba(8,12,24,.84) 57%,rgba(8,12,24,.5)),url('/assets/images/d0f19b4b8f1ae4e8.png') center/cover}
.page-hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg))}
.hero-inner{position:relative;z-index:1;width:min(var(--max),calc(100% - 40px));margin:auto}
.hero-inner h1{font-size:clamp(38px,6vw,70px);line-height:1.1;letter-spacing:-2.5px;max-width:760px;margin:18px 0}
.hero-inner p{max-width:700px;font-size:17px;color:#c3cce1}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{border:1px solid rgba(84,228,210,.3);background:rgba(84,228,210,.08);color:#bff8ef;border-radius:30px;padding:7px 13px;font-size:13px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:13px 21px;border-radius:13px;border:1px solid var(--line);font-weight:800}
.btn-primary{background:var(--cyan);color:#071b2a;border-color:var(--cyan)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(84,228,210,.24)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.summary-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.summary-card{padding:30px}
.summary-card h2{font-size:30px;line-height:1.25;margin:13px 0}
.summary-card p{color:var(--muted)}
.data-stack{display:grid;gap:12px}
.data-item{display:flex;justify-content:space-between;gap:20px;padding:19px 20px;background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:16px}
.data-item strong{color:var(--cyan);font-size:22px}
.data-item span{color:var(--muted);font-size:13px}
.feature-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:20px}
.feature-image{min-height:360px;border-radius:var(--radius);overflow:hidden;position:relative;background:url('/assets/images/2a2d06b74c1e2fb0.png') center/cover}
.feature-image:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(4,8,18,.95))}
.feature-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:27px}
.feature-copy h3{font-size:27px;line-height:1.3;margin:10px 0}
.feature-copy p{color:#c0cbe0}
.matrix{display:grid;gap:14px}
.matrix-item{padding:22px 24px;border-left:2px solid var(--violet);background:var(--panel);border-radius:0 16px 16px 0}
.matrix-item:nth-child(2){border-color:var(--cyan)}
.matrix-item:nth-child(3){border-color:var(--orange)}
.matrix-item h3{font-size:18px;margin-bottom:6px}
.matrix-item p{font-size:13px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.timeline-item{padding:24px 20px;border:1px solid var(--line);background:linear-gradient(145deg,#162343,#10182b);border-radius:18px;position:relative}
.timeline-item:before{content:"";display:block;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(84,228,210,.1);margin-bottom:20px}
.timeline-item strong{display:block;font-size:21px;color:#fff;margin-bottom:6px}
.timeline-item p{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.news-list{display:grid;gap:13px}
.news-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:17px}
.news-row img{width:150px;height:105px;object-fit:cover;border-radius:11px}
.news-row h3{font-size:17px;line-height:1.4;margin:7px 0}
.news-row p{font-size:13px;color:var(--muted)}
.news-row time{font-size:12px;color:var(--dim)}
.side-note{padding:28px;background:linear-gradient(145deg,#252052,#11192c);border-radius:var(--radius);border:1px solid var(--line)}
.side-note h3{font-size:23px;line-height:1.3;margin:12px 0}
.side-note p{color:#c0cbe0;font-size:14px}
.quote-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quote{padding:25px;background:var(--panel);border:1px solid var(--line);border-radius:18px}
.quote p{color:#d5dded;font-size:15px}
.quote strong{display:block;color:var(--cyan);margin-top:18px;font-size:13px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.faq h3{font-size:17px;line-height:1.4;margin-bottom:8px}
.faq p{color:var(--muted);font-size:14px}
.cta-section{padding:70px 0}
.cta-box{padding:42px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(105deg,#192d54,#162044 55%,#183d4a);border:1px solid rgba(84,228,210,.28);border-radius:var(--radius);box-shadow:var(--shadow)}
.cta-box h2{font-size:clamp(25px,3vw,38px);line-height:1.25;margin-bottom:10px}
.cta-box p{color:#c1ccdf;max-width:630px}
footer{padding:55px 0 25px;background:#060a14;border-top:1px solid var(--line)}
.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start}
.footer-top p{color:var(--muted);max-width:400px;margin-top:13px}
.footer-links{display:flex;gap:18px;color:#bbc6df}
.footer-links a:hover{color:var(--cyan)}
.copyright{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--dim);font-size:12px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:1024px){
 .summary-layout,.feature-grid,.news-layout{grid-template-columns:1fr}
 .timeline{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container,.hero-inner{width:min(var(--max),calc(100% - 28px))}
 .nav{height:auto;min-height:70px;align-items:flex-start;padding:15px 0;flex-wrap:wrap}
 .nav-links{width:100%;overflow-x:auto;padding-bottom:2px}
 .nav-links a{white-space:nowrap}
 .page-hero{min-height:520px}
 main section{padding:65px 0}
 .section-head{display:block}
 .section-head p{margin-top:13px}
 .quote-list,.faq-list{grid-template-columns:1fr}
 .cta-box{display:block;padding:30px 24px}
 .cta-box .btn{margin-top:23px}
}
@media(max-width:520px){
 body{font-size:14px}
 .brand span{font-size:15px}
 .nav-links a{padding:8px 11px;font-size:13px}
 .hero-inner h1{font-size:39px;letter-spacing:-1.5px}
 .hero-inner p{font-size:15px}
 .timeline{grid-template-columns:1fr}
 .news-row{grid-template-columns:1fr}
 .news-row img{width:100%;height:170px}
 .summary-card{padding:23px}
 .data-item{padding:15px}
 .footer-top,.copyright{display:block}
 .footer-links{margin-top:25px;flex-wrap:wrap}
 .copyright span{display:block;margin-top:8px}
}