/* roulang page: index */
:root{
            --blue:#2463d4;
            --blue-dark:#174aa8;
            --blue-soft:#eaf2ff;
            --cyan:#5ebbc5;
            --orange:#ee9b58;
            --ink:#18243b;
            --muted:#6d7890;
            --bg:#f5f8fc;
            --surface:#fff;
            --line:#dfe7f2;
            --radius:16px;
            --shadow:0 16px 42px rgba(35,73,130,.10);
            --shadow-sm:0 8px 22px rgba(35,73,130,.08);
            --container:1200px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(36,99,212,.35);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topline{height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--orange))}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
        .logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:0 7px 14px rgba(36,99,212,.2)}
        .logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:2px solid #fff;border-radius:4px;left:10px;top:9px;transform:rotate(45deg)}
        .nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
        .nav-link{position:relative;padding:10px 15px;border-radius:10px;color:#52617a;font-size:15px;transition:.2s}
        .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
        .nav-link.active:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--blue)}
        .nav-drop{position:relative}
        .mega{position:absolute;top:48px;left:0;width:360px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(7px);transition:.2s}
        .nav-drop:hover .mega,.nav-drop:focus-within .mega{opacity:1;visibility:visible;transform:none}
        .mega-title{margin:0 0 10px;font-size:13px;color:var(--muted);font-weight:700}
        .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
        .mega a{display:block;padding:10px;border-radius:10px;background:#f7faff;color:var(--ink);font-size:14px}
        .mega a:hover{background:var(--blue-soft);color:var(--blue)}
        .nav-cta,.btn{border:0;border-radius:10px;padding:11px 18px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
        .nav-cta,.btn-primary{color:#fff;background:var(--blue);box-shadow:0 8px 17px rgba(36,99,212,.22)}
        .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:9px;padding:8px 11px}
        .hero{padding:78px 0 70px;background:#fff;overflow:hidden}
        .hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:68px;align-items:center}
        .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:750}
        .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan)}
        h1,h2,h3{line-height:1.25;margin:0 0 18px;letter-spacing:-.035em}
        h1{font-size:clamp(38px,5vw,68px);max-width:620px}
        h2{font-size:clamp(27px,3.3vw,40px)}
        h3{font-size:20px}
        .hero h1 span{color:var(--blue)}
        .hero-copy{font-size:18px;color:var(--muted);max-width:650px;margin:0 0 28px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn-secondary{border:1px solid var(--line);background:#fff;color:var(--blue)}
        .btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft)}
        .hero-panel{position:relative;min-height:350px;border:1px solid var(--line);border-radius:24px;background:#f7faff;padding:24px;box-shadow:var(--shadow)}
        .hero-panel:before{content:"";position:absolute;right:-45px;top:-45px;width:150px;height:150px;border:1px solid #cfe0fb;border-radius:50%}
        .panel-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}
        .panel-title{font-weight:800}
        .status{font-size:12px;color:#2b8a87;background:#e6f7f4;padding:4px 9px;border-radius:999px}
        .route{display:flex;gap:16px;margin:28px 0}
        .route-line{width:3px;background:#cbdcf8;position:relative}
        .route-line:after{content:"";position:absolute;top:0;left:-4px;width:11px;height:11px;border-radius:50%;background:var(--blue)}
        .route-item{padding-bottom:18px}
        .route-item strong{display:block;font-size:16px}
        .route-item span{display:block;color:var(--muted);font-size:13px}
        .panel-foot{display:flex;gap:10px}
        .metric{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
        .metric b{display:block;color:var(--blue);font-size:21px}
        .metric small{color:var(--muted)}
        section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-head p{color:var(--muted);max-width:590px;margin:0}
        .section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
        .entry-layout{display:grid;grid-template-columns:250px 1fr;gap:34px}
        .side-title{font-size:16px;font-weight:800;margin-bottom:14px}
        .side-list{list-style:none;margin:0;padding:0;border-left:2px solid #d7e4f7}
        .side-list li{padding:9px 0 9px 16px;color:var(--muted);font-size:14px}
        .side-list li:first-child{border-left:2px solid var(--blue);margin-left:-2px;color:var(--blue);font-weight:700}
        .entry-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr;gap:16px}
        .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow-sm);transition:.22s}
        .card:hover{transform:translateY(-4px);border-color:#a9c8f8;box-shadow:var(--shadow)}
        .card-large{grid-row:span 2;background:linear-gradient(145deg,#fff,#f1f6ff)}
        .card p,.scenario p,.feature p{color:var(--muted);font-size:14px;margin:0 0 18px}
        .card-large p{font-size:16px}
        .card-arrow{color:var(--blue);font-weight:750;font-size:14px}
        .tag{display:inline-block;padding:4px 9px;border-radius:6px;background:#f1f5fa;color:#68758b;font-size:12px;margin:0 5px 5px 0}
        .tag.blue{background:var(--blue-soft);color:var(--blue)}
        .scenes{background:#eef5ff}
        .scene-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
        .scene{padding:24px;border-top:2px solid #c7dafa;position:relative}
        .scene:not(:last-child):after{content:"→";position:absolute;right:-7px;top:-19px;color:var(--blue);font-size:24px;background:#eef5ff;padding:0 5px}
        .scene-num{font-size:13px;font-weight:800;color:var(--blue);margin-bottom:22px}
        .showcase{display:grid;grid-template-columns:1.4fr .8fr;gap:20px}
        .show-main{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;min-height:280px;position:relative;overflow:hidden}
        .show-main:after{content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
        .show-main p{color:#b8c7de;max-width:540px}
        .show-main .badge{background:rgba(255,255,255,.12);color:#cbe0ff}
        .progress{height:7px;border-radius:10px;background:#3a4961;margin:26px 0 10px;overflow:hidden}
        .progress i{display:block;width:76%;height:100%;background:var(--cyan);border-radius:inherit}
        .show-side{display:grid;gap:20px}
        .stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
        .stat-card b{font-size:30px;color:var(--blue);display:block}
        .stat-card span{font-size:13px;color:var(--muted)}
        .deal{background:#fff8f1}
        .deal-bar{display:flex;align-items:center;gap:16px;justify-content:space-between;background:#fff;border:1px solid #f3ddc7;border-radius:14px;padding:15px 20px;margin-bottom:22px}
        .count{color:#c76e28;font-weight:800}
        .plans{display:grid;grid-template-columns:.85fr 1.2fr .85fr;gap:16px}
        .plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
        .plan.recommend{border:2px solid var(--blue);position:relative;box-shadow:var(--shadow)}
        .recommend:before{content:"优先入口";position:absolute;right:16px;top:-13px;background:var(--blue);color:#fff;font-size:12px;padding:4px 9px;border-radius:5px}
        .plan ul{padding-left:18px;color:var(--muted);font-size:14px;line-height:2}
        .info-section{background:#fff}
        .info-layout{display:grid;grid-template-columns:1fr .8fr;gap:32px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
        .news-item strong{font-size:16px}
        .news-item small{color:var(--muted);white-space:nowrap}
        .rank-box{background:#f6f9fd;border-radius:var(--radius);padding:22px}
        .rank-row{display:grid;grid-template-columns:35px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
        .rank-row:last-child{border:0}
        .rank-no{color:var(--blue);font-weight:800}
        .rank-row span{color:var(--muted);font-size:12px}
        .faq-list{max-width:850px;margin:auto}
        details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:0 20px;transition:.2s}
        details[open]{border-color:#a9c8f8;box-shadow:var(--shadow-sm)}
        summary{cursor:pointer;padding:18px 0;font-weight:750;list-style:none}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";float:right;color:var(--blue);font-size:22px}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin:0 0 18px}
        .cta{padding:0 0 92px}
        .cta-box{background:var(--blue-soft);border:1px solid #cfe0fb;border-radius:22px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .cta-box p{color:var(--muted);margin:0;max-width:650px}
        footer{background:#1e2b43;color:#dbe5f5;padding:48px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:35px}
        footer .logo{color:#fff}
        footer p,footer a{color:#aebdd2;font-size:14px}
        footer a:hover{color:#fff}
        .footer-links{display:grid;gap:8px}
        .copyright{border-top:1px solid #35445e;padding-top:18px;color:#94a5bd;font-size:13px;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:992px){
            .hero-inner{gap:35px}.entry-layout{grid-template-columns:1fr}.entry-grid{grid-template-columns:1fr 1fr}.card-large{grid-row:auto}.scene-track{grid-template-columns:1fr 1fr;gap:24px}.scene:not(:last-child):after{display:none}.plans{grid-template-columns:1fr 1fr}.plan.recommend{order:-1}.info-layout{grid-template-columns:1fr}
        }
        @media(max-width:768px){
            .container{width:min(100% - 28px,var(--container))}.nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-menu{display:none;position:absolute;top:72px;left:14px;right:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column}.nav-menu.open{display:flex}.nav-link{display:block}.nav-drop .mega{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;margin:4px 0}.nav-drop.open .mega{display:block}.nav-cta{margin-top:5px}.hero{padding:56px 0}.hero-inner{grid-template-columns:1fr}.hero-panel{min-height:300px}section{padding:66px 0}.section-head{display:block}.section-head p{margin-top:12px}.showcase{grid-template-columns:1fr}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:576px){
            h1{font-size:39px}.hero-copy{font-size:16px}.entry-grid,.scene-track,.plans,.footer-grid{grid-template-columns:1fr}.hero-panel{padding:18px}.panel-foot{flex-wrap:wrap}.metric{min-width:42%}.deal-bar{display:block}.count{display:block;margin-top:7px}.news-item{display:block}.news-item small{display:block;margin-top:5px}.copyright{display:block}.copyright span{display:block;margin-top:7px}.show-main{padding:24px}
        }

/* roulang page: category1 */
:root{
 --blue:#2463d4;--blue-dark:#174aa8;--blue-soft:#eaf2ff;--cyan:#5ebbc5;
 --orange:#ee9b58;--ink:#18243b;--muted:#6d7890;--bg:#f5f8fc;
 --surface:#fff;--line:#dfe7f2;--radius:16px;
 --shadow:0 16px 42px rgba(35,73,130,.10);
 --shadow-sm:0 8px 22px rgba(35,73,130,.08);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:0 7px 14px rgba(36,99,212,.2)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:2px solid #fff;border-radius:4px;left:10px;top:9px;transform:rotate(45deg)}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;padding:10px 15px;border-radius:10px;color:#52617a;font-size:15px;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
.nav-link.active:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--blue)}
.nav-drop{position:relative}
.mega{position:absolute;top:48px;left:0;width:360px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(7px);transition:.2s}
.nav-drop:hover .mega,.nav-drop:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega-title{margin:0 0 10px;font-size:13px;color:var(--muted);font-weight:700}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mega a{display:block;padding:10px;border-radius:10px;background:#f7faff;color:var(--ink);font-size:14px}
.mega a:hover{background:var(--blue-soft);color:var(--blue)}
.nav-cta,.btn{border:0;border-radius:10px;padding:11px 18px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.nav-cta,.btn-primary{color:#fff;background:var(--blue);box-shadow:0 8px 17px rgba(36,99,212,.22)}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:9px;padding:8px 11px}
.page-hero{padding:62px 0 56px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}
.breadcrumb a:hover{color:var(--blue)}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:750}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
h1,h2,h3{line-height:1.28;letter-spacing:-.035em}
h1{font-size:clamp(34px,5vw,58px);margin:16px 0 18px;max-width:680px}
h1 span{color:var(--blue)}
.hero-copy{font-size:17px;color:var(--muted);max-width:700px;margin:0 0 25px}
.hero-summary{background:#f7faff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm)}
.summary-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.summary-top strong{font-size:18px}
.status-dot{width:9px;height:9px;background:var(--cyan);display:inline-block;border-radius:50%;margin-right:6px}
.progress{height:7px;border-radius:8px;background:#dfeafa;overflow:hidden;margin:10px 0 8px}
.progress i{display:block;width:78%;height:100%;background:var(--blue);border-radius:8px}
.summary-note{font-size:13px;color:var(--muted);margin:0}
main{padding:72px 0 96px}
.directory-layout{display:grid;grid-template-columns:235px 1fr;gap:48px;align-items:start}
.filter-panel{position:sticky;top:102px}
.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:10px}
.filter-panel h2{font-size:23px;margin:0 0 10px}
.filter-panel>p{font-size:14px;color:var(--muted);margin:0 0 22px}
.side-list{list-style:none;margin:0;padding:0;border-left:2px solid #d7e4f7}
.side-list li{padding:10px 0 10px 16px;color:var(--muted);font-size:14px}
.side-list li:first-child{border-left:2px solid var(--blue);margin-left:-2px;color:var(--blue);font-weight:700}
.tag-box{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.tag{display:inline-block;padding:4px 9px;border-radius:6px;background:#f1f5fa;color:#68758b;font-size:12px;margin:0 5px 7px 0}
.tag.blue{background:var(--blue-soft);color:var(--blue)}
.content-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
.content-head h2{font-size:28px;margin:0}
.content-head p{color:var(--muted);font-size:14px;margin:0}
.entry-list{display:grid;gap:14px}
.entry-card{display:grid;grid-template-columns:116px 1fr auto;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);transition:.22s}
.entry-card:hover{transform:translateY(-3px);border-color:#a9c8f8;box-shadow:var(--shadow)}
.entry-visual{height:94px;border-radius:12px;background:linear-gradient(145deg,#eaf2ff,#d9e8fb);position:relative;overflow:hidden}
.entry-visual:before{content:"";position:absolute;width:75px;height:75px;border:1px solid rgba(36,99,212,.28);border-radius:50%;right:-18px;top:9px}
.entry-visual:after{content:"";position:absolute;width:38px;height:38px;border:2px solid var(--blue);transform:rotate(45deg);left:38px;top:28px;border-radius:7px;opacity:.7}
.entry-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.entry-card h3{margin:0 0 5px;font-size:19px}
.entry-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.entry-foot{display:flex;align-items:center;gap:14px;margin-top:10px;color:var(--muted);font-size:12px}
.card-arrow{color:var(--blue);font-weight:750;font-size:14px;white-space:nowrap}
.path-section{background:#fff;padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:31px;margin:0}
.section-head p{color:var(--muted);max-width:590px;margin:0}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.path-step{padding:25px 22px;background:#fff;border-right:1px solid var(--line);position:relative}
.path-step:last-child{border-right:0}
.step-no{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.path-step h3{font-size:18px;margin:13px 0 8px}
.path-step p{color:var(--muted);font-size:14px;margin:0}
.path-step:after{content:"→";position:absolute;right:-10px;top:50%;z-index:2;background:var(--blue);color:#fff;width:20px;height:20px;border-radius:50%;font-size:12px;text-align:center;line-height:20px}
.path-step:last-child:after{display:none}
.topic-band{padding:72px 0}
.topic-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.show-main{background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;min-height:245px;position:relative;overflow:hidden}
.show-main:after{content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.show-main h2{font-size:29px;max-width:470px;margin:18px 0 10px}
.show-main p{color:#b8c7de;max-width:540px;margin:0 0 22px}
.show-main .badge{background:rgba(255,255,255,.12);color:#cbe0ff}
.stat-stack{display:grid;gap:18px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat-card b{font-size:28px;color:var(--blue);display:block}
.stat-card span{font-size:13px;color:var(--muted)}
.faq-section{background:#fff;padding:78px 0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
.faq-layout h2{font-size:31px;margin:0 0 12px}
.faq-layout>div>p{color:var(--muted);margin:0}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 32px 18px 0;font-weight:750;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:5px;color:var(--blue);font-size:22px;top:13px}
.faq-item[open] summary{color:var(--blue)}
.faq-item[open] summary:after{content:"−"}
.faq-answer{color:var(--muted);font-size:14px;padding:0 30px 18px 0}
.cta-section{padding:70px 0}
.cta-box{background:var(--blue-soft);border:1px solid #cfe0fb;border-radius:20px;padding:34px 40px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:28px;margin:0 0 8px}
.cta-box p{color:var(--muted);margin:0}
.btn{min-width:120px}
footer{background:#24334e;color:#dbe6f7;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:60px}
footer .logo{color:#fff}
footer .logo-mark{background:#4b83e5}
footer p{color:#aebdd3;font-size:14px;max-width:360px;margin:16px 0 0}
footer h3{color:#fff;font-size:16px;margin:0 0 12px}
.footer-links{display:grid;gap:7px;font-size:14px;color:#b9c8dc}
.footer-links a:hover{color:#fff}
.copyright{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;color:#9eafc7;font-size:12px}
:focus-visible{outline:3px solid rgba(36,99,212,.4);outline-offset:3px}
@media(max-width:992px){
 .page-hero-grid{grid-template-columns:1fr 320px;gap:35px}
 .directory-layout{gap:28px}
 .entry-card{grid-template-columns:95px 1fr auto}
 .path-grid{grid-template-columns:repeat(2,1fr)}
 .path-step{border-bottom:1px solid var(--line)}
 .path-step:nth-child(2){border-right:0}
 .path-step:nth-child(2):after{display:none}
 .path-step:nth-child(3),.path-step:nth-child(4){border-bottom:0}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .nav-wrap{height:68px}
 .menu-toggle{display:block;margin-left:auto}
 .nav-menu{display:none;position:absolute;left:14px;right:14px;top:76px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column}
 .nav-menu.open{display:flex}
 .nav-link,.nav-cta{display:block;text-align:left;padding:12px 14px}
 .nav-cta{text-align:center;margin-top:5px}
 .mega{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:4px 0 4px 12px}
 .nav-drop:hover .mega,.nav-drop:focus-within .mega{display:block}
 .page-hero{padding:44px 0}
 .page-hero-grid{grid-template-columns:1fr}
 h1{font-size:40px}
 main{padding:52px 0 70px}
 .directory-layout{grid-template-columns:1fr}
 .filter-panel{position:static}
 .side-list{display:flex;overflow-x:auto;border-left:0;border-bottom:2px solid #d7e4f7;gap:6px;padding-bottom:5px}
 .side-list li{white-space:nowrap;padding:8px 13px;border-left:0!important}
 .side-list li:first-child{border-bottom:2px solid var(--blue);margin-bottom:-7px}
 .entry-card{grid-template-columns:82px 1fr}
 .entry-card .card-arrow{grid-column:2}
 .entry-visual{height:80px}
 .topic-wrap,.faq-layout{grid-template-columns:1fr;gap:18px}
 .cta-box{align-items:flex-start;flex-direction:column;padding:28px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:576px){
 .nav-wrap{gap:12px}
 .logo{font-size:14px}
 .logo-mark{width:30px;height:30px}
 .page-hero-grid{gap:25px}
 h1{font-size:34px}
 .hero-copy{font-size:16px}
 .content-head{display:block}
 .content-head p{margin-top:8px}
 .entry-card{gap:13px;padding:14px}
 .entry-card h3{font-size:17px}
 .entry-card p{font-size:13px}
 .path-grid{grid-template-columns:1fr}
 .path-step,.path-step:nth-child(2),.path-step:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}
 .path-step:last-child{border-bottom:0}
 .path-step:after{display:none!important}
 .show-main{padding:25px}
 .show-main h2{font-size:25px}
 .stat-stack{grid-template-columns:1fr 1fr}
 .stat-card{padding:17px}
 .stat-card b{font-size:23px}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block;line-height:2}
 .copyright span{display:block}
}

/* roulang page: category2 */
:root{
 --blue:#2463d4;
 --blue-dark:#174aa8;
 --blue-soft:#eaf2ff;
 --cyan:#5ebbc5;
 --orange:#ee9b58;
 --ink:#18243b;
 --muted:#6d7890;
 --bg:#f5f8fc;
 --surface:#fff;
 --line:#dfe7f2;
 --radius:16px;
 --shadow:0 16px 42px rgba(35,73,130,.10);
 --shadow-sm:0 8px 22px rgba(35,73,130,.08);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,99,212,.35);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:0 7px 14px rgba(36,99,212,.2)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:2px solid #fff;border-radius:4px;left:10px;top:9px;transform:rotate(45deg)}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;padding:10px 15px;border-radius:10px;color:#52617a;font-size:15px;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
.nav-link.active:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--blue)}
.nav-drop{position:relative}
.mega{position:absolute;top:48px;left:0;width:360px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(7px);transition:.2s}
.nav-drop:hover .mega,.nav-drop:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega-title{margin:0 0 10px;font-size:13px;color:var(--muted);font-weight:700}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mega a{display:block;padding:10px;border-radius:10px;background:#f7faff;color:var(--ink);font-size:14px;transition:.2s}
.mega a:hover{background:var(--blue-soft);color:var(--blue)}
.nav-cta,.btn{border:0;border-radius:10px;padding:11px 18px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.nav-cta,.btn-primary{color:#fff;background:var(--blue);box-shadow:0 8px 17px rgba(36,99,212,.22)}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.nav-cta:active,.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{border:1px solid var(--line);background:#fff;color:var(--blue)}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:9px;padding:8px 11px}
.page-hero{padding:58px 0 52px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:14px;margin-bottom:24px}
.breadcrumb span{color:#a8b2c2}
.hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;align-items:end}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:750}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(32px,4vw,51px);line-height:1.2;letter-spacing:-.05em;margin:15px 0 16px}
h1 span{color:var(--blue)}
.hero-text{max-width:720px;color:var(--muted);font-size:17px;margin-bottom:0}
.hero-status{background:#f6f9fe;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.hero-status strong{display:block;font-size:15px;margin-bottom:12px}
.status-line{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding:8px 0;border-top:1px solid var(--line)}
.status-line b{color:var(--blue)}
section{padding:82px 0}
.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:9px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-head h2{font-size:30px;line-height:1.35;letter-spacing:-.035em;margin:0}
.section-head p{color:var(--muted);max-width:560px;margin:0}
.featured{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-bottom:22px}
.feature-main{min-height:304px;position:relative;overflow:hidden;padding:34px;background:var(--ink);border-radius:20px;color:#fff;box-shadow:var(--shadow)}
.feature-main:before{content:"";position:absolute;inset:auto -48px -55px auto;width:250px;height:250px;border:1px solid rgba(255,255,255,.19);border-radius:50%}
.feature-main:after{content:"";position:absolute;right:48px;top:30px;width:76px;height:5px;background:var(--cyan);box-shadow:18px 14px 0 rgba(94,187,197,.52),-15px 28px 0 rgba(94,187,197,.25)}
.feature-main p{position:relative;max-width:540px;color:#c0cde1;margin-bottom:24px}
.feature-main h2{position:relative;max-width:550px;font-size:31px;line-height:1.35;margin:15px 0}
.feature-main .badge{position:relative;background:rgba(255,255,255,.12);color:#d9e9ff}
.feature-side{display:grid;gap:18px}
.mini-panel{background:#fff;border:1px solid var(--line);padding:22px;border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.2s}
.mini-panel:hover{transform:translateY(-3px);border-color:#aac8f6}
.mini-panel strong{display:block;font-size:17px;margin:10px 0 5px}
.mini-panel p{font-size:14px;color:var(--muted);margin:0}
.tag{display:inline-block;padding:4px 9px;border-radius:6px;background:#f1f5fa;color:#68758b;font-size:12px;margin:0 5px 5px 0}
.tag.blue{background:var(--blue-soft);color:var(--blue)}
.topic-strip{display:flex;gap:12px;overflow:auto;padding:4px 1px 12px;scrollbar-width:thin}
.topic-pill{flex:0 0 auto;min-width:185px;padding:15px 17px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);transition:.2s}
.topic-pill:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.topic-pill b{display:block;font-size:15px}
.topic-pill small{font-size:12px;color:var(--muted)}
.content-area{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:28px;align-items:start}
.content-board{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:.22s}
.article-card:hover{transform:translateY(-4px);border-color:#a9c8f8;box-shadow:var(--shadow)}
.thumb{height:150px;background:linear-gradient(135deg,#e8f1ff,#f9fbff);position:relative;border-bottom:1px solid var(--line);overflow:hidden}
.thumb:before{content:"";position:absolute;left:24px;top:31px;width:100px;height:10px;background:#b8d1fa;box-shadow:0 24px 0 #d0e1fb,0 48px 0 #dce9fc}
.thumb:after{content:"";position:absolute;width:94px;height:94px;border:13px solid rgba(36,99,212,.13);border-radius:50%;right:24px;top:26px}
.article-copy{padding:20px}
.article-copy h3{font-size:18px;line-height:1.45;margin:10px 0 8px}
.article-copy p{font-size:14px;color:var(--muted);margin-bottom:16px}
.meta-row{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding-top:13px}
.list-card{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:5px 22px}
.list-item{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.list-item:last-child{border:0}
.item-no{font-size:13px;color:var(--blue);font-weight:800}
.list-item strong{font-size:16px}
.list-item small{display:block;color:var(--muted);font-size:13px}
.item-link{font-size:14px;color:var(--blue);font-weight:700}
.aside-panel{position:sticky;top:97px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.aside-panel h3{font-size:17px;margin-bottom:15px}
.filter-list{list-style:none;padding:0;margin:0}
.filter-list li+li{border-top:1px solid var(--line)}
.filter-list a{display:flex;justify-content:space-between;padding:11px 0;font-size:14px;transition:.2s}
.filter-list a:hover{color:var(--blue)}
.filter-list b{font-size:12px;color:var(--muted);font-weight:600}
.notice{margin-top:20px;padding:14px;background:#f5f9ff;border-left:3px solid var(--cyan);border-radius:0 10px 10px 0;color:var(--muted);font-size:13px}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start}
.faq-intro{position:sticky;top:105px}
.faq-intro h2{font-size:31px;line-height:1.35;margin:0 0 14px}
.faq-intro p{color:var(--muted)}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;padding:18px 50px 18px 20px;font-weight:750;cursor:pointer;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:15px;color:var(--blue);font-size:22px;font-weight:400}
.faq-item[open] summary{color:var(--blue);border-bottom:1px solid var(--line)}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;padding:15px 20px 18px;margin:0}
.cta-box{background:#eaf2ff;border:1px solid #d4e3fa;border-radius:20px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:29px;line-height:1.35;margin:0 0 8px}
.cta-box p{margin:0;color:var(--muted)}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
footer{background:#202d45;color:#d5deeb;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .9fr;gap:48px;padding-bottom:40px}
footer .logo{color:#fff}
footer p{font-size:14px;color:#b8c4d6;margin:14px 0 0;max-width:380px}
.footer-links{display:grid;gap:10px;margin-top:13px}
.footer-links a{font-size:14px;color:#c8d5e7;transition:.2s}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#aebcd0}
@media(max-width:992px){
 .nav-wrap{gap:16px}.nav-link{padding:10px 9px}.nav-cta{padding:10px 13px}
 .hero-layout,.content-area{grid-template-columns:1fr}.hero-status{max-width:560px}
 .aside-panel{position:static}.content-board{grid-template-columns:1fr 1fr}
 .faq-wrap{grid-template-columns:1fr;gap:28px}.faq-intro{position:static}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 30px))}
 .nav-wrap{height:68px;justify-content:space-between}.menu-toggle{display:block;margin-left:auto}
 .nav-menu{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 15px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);margin:0;align-items:stretch;flex-direction:column}
 .nav-menu.open{display:flex}.nav-link,.nav-cta{width:100%;text-align:left}.nav-cta{justify-content:center}
 .nav-drop{width:100%}.mega{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;margin:0 0 8px;padding:12px}.nav-drop.open .mega{display:block}
 .page-hero{padding:42px 0}.featured{grid-template-columns:1fr}.feature-main{min-height:270px}
 section{padding:62px 0}.section-head{align-items:start;flex-direction:column;gap:12px}.content-board{grid-template-columns:1fr}
 .list-card{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:576px){
 h1{font-size:32px}.hero-text{font-size:15px}.featured{margin-bottom:16px}.feature-main{padding:25px}.feature-main h2{font-size:25px}
 .content-board{gap:14px}.list-card{padding:4px 16px}.list-item{grid-template-columns:28px 1fr}.item-link{grid-column:2}
 .meta-row{flex-direction:column}.cta-box{padding:29px 23px;align-items:flex-start;flex-direction:column}.cta-box h2{font-size:24px}
 .footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column;gap:5px}.mega-grid{grid-template-columns:1fr}
}