/* roulang page: index */
:root{
            --blue:#2e68c7;
            --blue-dark:#1f4e9a;
            --blue-soft:#eaf2ff;
            --indigo:#445579;
            --ink:#17253d;
            --muted:#68758a;
            --line:#dfe7f1;
            --paper:#ffffff;
            --mist:#f5f8fc;
            --warm:#fffaf4;
            --orange:#d77a3d;
            --green:#2f8a72;
            --radius:14px;
            --radius-sm:9px;
            --shadow:0 12px 34px rgba(31,63,110,.09);
            --shadow-hover:0 18px 42px rgba(31,63,110,.15);
            --max:1180px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--mist);
            font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            font-size:16px;
            line-height:1.7;
        }
        a{color:var(--blue);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease}
        a:hover{color:var(--blue-dark)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
            outline:3px solid rgba(46,104,199,.3);
            outline-offset:3px;
        }
        .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
        .site-header{
            background:rgba(255,255,255,.96);
            border-bottom:1px solid var(--line);
            position:sticky;top:0;z-index:20;
        }
        .top-bar{background:transparent;padding:14px 0}
        .top-bar,.top-bar ul{display:flex;align-items:center}
        .top-bar-left,.top-bar-right{background:transparent}
        .brand{
            display:flex;align-items:center;gap:11px;
            color:var(--ink);font-weight:800;letter-spacing:-.03em;
            line-height:1.15;max-width:280px;
        }
        .brand:hover{color:var(--blue)}
        .brand-mark{
            width:35px;height:35px;border-radius:10px;background:var(--blue);
            position:relative;box-shadow:0 6px 14px rgba(46,104,199,.22);
        }
        .brand-mark:after{
            content:"";position:absolute;width:0;height:0;left:13px;top:9px;
            border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:13px solid #fff;
        }
        .brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;margin-top:3px}
        .nav-links{gap:4px;margin-left:32px}
        .nav-links li a{
            display:block;padding:9px 13px;border-radius:8px;color:#506078;font-size:14px;
        }
        .nav-links li a:hover,.nav-links li a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
        .phase-nav{display:flex;gap:6px;margin:0 18px 0 12px}
        .phase-chip,.tag{
            display:inline-flex;align-items:center;gap:6px;
            border:1px solid var(--line);border-radius:999px;padding:4px 9px;
            color:var(--muted);font-size:12px;line-height:1.3;white-space:nowrap;background:#fff;
        }
        .phase-chip i{width:6px;height:6px;border-radius:50%;background:#aab6c7}
        .phase-chip.live{border-color:#f0d4c3;color:#a25a2e;background:#fff9f5}
        .phase-chip.live i{background:var(--orange)}
        .phase-chip.done i{background:var(--indigo)}
        .utility-link{font-size:13px;color:var(--muted);padding:8px 10px}
        .menu-icon{margin-left:auto}
        .hero{
            padding:72px 0 58px;
            background:linear-gradient(180deg,#f8fbff 0%,#f1f6fd 100%);
            border-bottom:1px solid var(--line);
        }
        .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:center}
        .eyebrow{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em;margin-bottom:18px}
        h1,h2,h3{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.035em}
        h1{font-size:clamp(35px,4.4vw,62px);max-width:650px}
        h2{font-size:clamp(26px,3vw,38px)}
        h3{font-size:19px}
        .hero-copy{font-size:18px;color:#53627a;max-width:570px;margin:24px 0 28px}
        .button{
            border-radius:9px;font-weight:700;margin:0 8px 0 0;padding:13px 19px;
            transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
        }
        .button.primary{background:var(--blue)}
        .button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(46,104,199,.2)}
        .button.secondary{background:var(--blue-soft);color:var(--blue)}
        .button.secondary:hover{background:#dbe9ff}
        .text-link{font-weight:700;font-size:14px;margin-left:7px}
        .hero-meta{display:flex;gap:24px;margin-top:30px;flex-wrap:wrap}
        .meta-item{font-size:13px;color:var(--muted)}
        .meta-item strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
        .hero-stage{
            min-height:365px;background:#253954;border-radius:18px;position:relative;overflow:hidden;
            box-shadow:var(--shadow);padding:25px;color:#fff;
        }
        .hero-stage:before,.hero-stage:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.14)}
        .hero-stage:before{width:390px;height:390px;right:-105px;top:-140px}
        .hero-stage:after{width:235px;height:235px;right:40px;bottom:-120px}
        .stage-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
        .stage-title{font-size:14px;font-weight:700}
        .stage-note{font-size:12px;color:#b9c9df}
        .cover-abstract{
            height:190px;margin:28px 0 22px;border-radius:12px;position:relative;overflow:hidden;
            background:linear-gradient(135deg,#638bd0 0%,#9ab7df 48%,#e4edf9 49%,#d3deee 100%);
        }
        .cover-abstract:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;background:rgba(255,255,255,.3);right:10%;top:-80px}
        .cover-abstract:after{content:"";position:absolute;width:70%;height:3px;background:rgba(255,255,255,.7);left:15%;bottom:35px;box-shadow:0 -12px 0 rgba(255,255,255,.35),0 12px 0 rgba(255,255,255,.25)}
        .cover-label{position:absolute;left:20px;bottom:17px;font-size:12px;color:#304e7b;z-index:1}
        .stage-bottom{display:flex;justify-content:space-between;gap:16px;position:relative;z-index:1}
        .stage-bottom strong{font-size:21px;display:block}
        .stage-bottom span{font-size:12px;color:#b9c9df}
        .section{padding:86px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:34px}
        .section-head p{max-width:570px;color:var(--muted);margin:0}
        .service-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:22px}
        .service-main,.info-panel,.card,.case-main,.case-side,.timeline-box,.contact-card{
            background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
        }
        .service-main{padding:11px}
        .service-row{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;padding:21px 18px;border-bottom:1px solid var(--line)}
        .service-row:last-child{border-bottom:0}
        .service-no{width:38px;height:38px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
        .service-row p{margin:4px 0 0;color:var(--muted);font-size:14px}
        .service-row .tag{margin-left:auto}
        .info-panel{padding:27px;background:#eef5ff}
        .info-panel h3{margin-bottom:15px}
        .info-panel p{color:#5d6d84;font-size:14px;margin-bottom:22px}
        .mini-list{list-style:none;margin:0;padding:0}
        .mini-list li{padding:10px 0;border-top:1px solid #d6e3f5;color:#4f6078;font-size:14px}
        .mini-list li:before{content:"✓";color:var(--green);font-weight:800;margin-right:9px}
        .data-band{background:#253954;color:#fff;padding:40px 42px;border-radius:16px;display:grid;grid-template-columns:1.2fr 2fr;gap:34px;align-items:center}
        .data-band h2{color:#fff}
        .data-band p{color:#b9c9df;margin:12px 0 0;font-size:14px}
        .data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.16)}
        .data-point{padding:8px 20px;background:#253954}
        .data-point strong{font-size:33px;color:#b9d2fb;display:block;line-height:1.25}
        .data-point span{font-size:12px;color:#b9c9df}
        .case-layout{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:18px}
        .case-main{min-height:305px;padding:27px;position:relative;overflow:hidden;background:#e9f1fc}
        .case-main:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:#c7daf7;right:-80px;bottom:-110px}
        .case-main p{color:#5d6d84;max-width:440px}
        .case-main .cover-strip{height:82px;margin:26px 0 20px;background:linear-gradient(90deg,#5b83c9,#d8e5f7);border-radius:10px;position:relative}
        .case-main .cover-strip:after{content:"";position:absolute;left:20px;right:20px;top:40px;border-top:2px solid rgba(255,255,255,.75);box-shadow:0 -12px 0 rgba(255,255,255,.35)}
        .case-side{padding:22px;min-height:305px}
        .side-visual{height:116px;border-radius:10px;margin-bottom:18px;background:linear-gradient(145deg,#dce8f7,#f8fbff);position:relative}
        .side-visual:before{content:"";position:absolute;left:20px;top:25px;width:65%;height:8px;background:#91acd4;box-shadow:0 22px 0 #b6c9e2,0 44px 0 #d0deef}
        .case-side p{font-size:14px;color:var(--muted);margin:8px 0 16px}
        .timeline-box{padding:31px 28px}
        .timeline{display:grid;grid-template-columns:repeat(5,1fr);position:relative;gap:16px}
        .timeline:before{content:"";height:2px;background:#cfdaea;position:absolute;top:15px;left:5%;right:5%}
        .step{position:relative;z-index:1}
        .step-dot{width:31px;height:31px;border-radius:50%;background:#fff;border:2px solid #b9cbe4;color:var(--blue);display:grid;place-items:center;font-size:12px;font-weight:800;margin-bottom:15px}
        .step.active .step-dot{background:var(--blue);border-color:var(--blue);color:#fff}
        .step h3{font-size:16px;margin-bottom:5px}
        .step p{font-size:13px;color:var(--muted);margin:0}
        .faq-wrap{max-width:880px;margin:auto}
        .accordion{background:transparent;margin:0}
        .accordion-item{border:1px solid var(--line);border-radius:10px;margin-bottom:11px;overflow:hidden;background:#fff}
        .accordion-title{font-weight:700;color:var(--ink);font-size:16px;padding:19px 23px;border:0}
        .accordion-title:hover{background:var(--blue-soft);color:var(--blue)}
        .accordion-content{border:0;background:#f8fbff;color:#5d6d84;font-size:14px;padding:0 23px 20px}
        .contact-section{background:#edf4fd}
        .contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
        .contact-copy p{color:var(--muted);margin:18px 0 24px}
        .contact-card{padding:28px}
        label{font-size:13px;font-weight:700;color:#42526b}
        input,select,textarea{border:1px solid #d4dfed!important;border-radius:8px!important;box-shadow:none!important;background:#fff!important;margin-top:7px!important}
        input,select{height:45px}
        textarea{min-height:120px;resize:vertical}
        .checkline{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:12px;margin:6px 0 19px}
        .checkline input{height:auto;margin-top:5px!important}
        .form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
        .site-footer{background:#253954;color:#d4dfed;padding:50px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
        .footer-brand{color:#fff;font-weight:800;font-size:18px}
        .footer-grid h3{font-size:14px;color:#fff;margin-bottom:13px}
        .footer-grid p,.footer-grid a{font-size:13px;color:#aebed2}
        .footer-grid a{display:block;padding:4px 0}
        .footer-grid a:hover{color:#fff}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:19px;font-size:12px;color:#98abc3;display:flex;justify-content:space-between;gap:20px}
        .floating-cta{position:fixed;right:22px;bottom:20px;z-index:15;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-hover);padding:10px 13px;display:flex;align-items:center;gap:13px;font-size:13px}
        .floating-cta strong{display:block;color:var(--ink)}
        .floating-cta span{color:var(--muted);font-size:11px}
        .reveal{border:0;border-radius:14px;padding:28px;box-shadow:var(--shadow-hover)}
        .reveal h2{font-size:25px;margin-bottom:12px}
        .reveal p{color:var(--muted);font-size:14px}
        .close-button{color:var(--muted)}
        @media(max-width:1024px){
            .nav-links{margin-left:15px}.phase-nav{margin-right:5px}
            .hero-grid{gap:32px}.case-layout{grid-template-columns:1.3fr 1fr}
            .case-side:last-child{display:none}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(100% - 28px,var(--max))}
            .top-bar{padding:11px 0}.top-bar-left{width:100%}
            .top-bar-right{width:100%}.nav-links{margin:10px 0 0;display:block}
            .nav-links li a{padding:11px 4px}.phase-nav{margin:8px 0;overflow-x:auto;padding-bottom:4px}
            .utility-link{padding-left:4px}.hero{padding:50px 0 42px}
            .hero-grid,.service-layout,.contact-layout{grid-template-columns:1fr}
            .hero-copy{font-size:16px}.hero-stage{min-height:320px}
            .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
            .data-band{grid-template-columns:1fr;padding:28px 23px}.data-grid{margin-top:10px}
            .case-layout{grid-template-columns:1fr 1fr}.case-main{grid-column:1/-1}
            .timeline{grid-template-columns:1fr;gap:20px}.timeline:before{height:calc(100% - 30px);width:2px;left:15px;top:15px;right:auto}
            .step{display:grid;grid-template-columns:45px 1fr;column-gap:12px}.step-dot{grid-row:span 2}
            .step h3{padding-top:3px}.step p{padding-bottom:3px}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
            .floating-cta{left:14px;right:14px;bottom:12px;justify-content:space-between}
        }
        @media(max-width:520px){
            h1{font-size:35px}.brand{font-size:14px;max-width:225px}
            .hero-actions .button{display:block;width:100%;margin:8px 0;text-align:center}
            .hero-meta{gap:16px}.cover-abstract{height:155px}
            .service-row{grid-template-columns:42px 1fr;gap:12px;padding:17px 10px}
            .service-row .tag,.service-row .text-link{grid-column:2;margin:0}
            .data-grid{grid-template-columns:1fr}.data-point{padding:13px 5px}
            .case-layout{grid-template-columns:1fr}.case-side:last-child{display:block}
            .contact-card{padding:20px}.footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
        }

/* roulang page: category2 */
:root{
 --blue:#2e68c7;--blue-dark:#1f4e9a;--blue-soft:#eaf2ff;--indigo:#445579;
 --ink:#17253d;--muted:#68758a;--line:#dfe7f1;--paper:#fff;--mist:#f5f8fc;
 --warm:#fffaf4;--orange:#d77a3d;--green:#2f8a72;--radius:14px;--radius-sm:9px;
 --shadow:0 12px 34px rgba(31,63,110,.09);--shadow-hover:0 18px 42px rgba(31,63,110,.15);
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
a{color:var(--blue);text-decoration:none;transition:.2s ease}
a:hover{color:var(--blue-dark)}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(46,104,199,.3);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.top-bar{display:flex;align-items:center;justify-content:space-between;min-height:73px;padding:10px 0;background:transparent}
.top-bar-left,.top-bar-right{display:flex;align-items:center}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.15;max-width:280px}
.brand:hover{color:var(--blue)}
.brand-mark{width:35px;height:35px;border-radius:10px;background:var(--blue);position:relative;box-shadow:0 6px 14px rgba(46,104,199,.22);flex:none}
.brand-mark:after{content:"";position:absolute;left:13px;top:9px;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:13px solid #fff}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;margin-top:3px}
.nav-links{gap:4px;margin:0 0 0 32px}
.nav-links li a{display:block;padding:9px 13px;border-radius:8px;color:#506078;font-size:14px}
.nav-links li a:hover,.nav-links li a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
.phase-nav{display:flex;gap:6px;margin:0 18px 0 12px}
.phase-chip,.tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px 9px;color:var(--muted);font-size:12px;line-height:1.3;white-space:nowrap;background:#fff}
.phase-chip i{width:6px;height:6px;border-radius:50%;background:#aab6c7}
.phase-chip.live{border-color:#f0d4c3;color:#a25a2e;background:#fff9f5}
.phase-chip.live i{background:var(--orange)}
.phase-chip.done i{background:var(--indigo)}
.utility-link{font-size:13px;color:var(--muted);margin-left:14px}
.menu-icon{margin-left:auto}
.menu-icon:after{background:var(--blue);box-shadow:0 7px 0 var(--blue),0 14px 0 var(--blue)}
.breadcrumbs{margin:0;padding:25px 0 0;background:transparent}
.breadcrumbs li,.breadcrumbs a{font-size:13px;color:var(--muted)}
.breadcrumbs li:not(:last-child):after{color:#aab6c7}
.hero{padding:28px 0 54px;background:linear-gradient(180deg,#f8fbff,#f1f6fd);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:58px;align-items:center}
.eyebrow{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em;margin-bottom:14px}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.035em}
h1{font-size:clamp(36px,5vw,62px);max-width:620px}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:19px}
.hero-copy{font-size:17px;color:#53627a;max-width:570px;margin:23px 0 27px}
.button{border-radius:9px;font-weight:700;margin:0 8px 0 0;padding:13px 19px;transition:transform .2s,box-shadow .2s,background .2s}
.button.primary{background:var(--blue)}
.button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(46,104,199,.2)}
.button.secondary{background:var(--blue-soft);color:var(--blue)}
.button.secondary:hover{background:#dbe9ff}
.text-link{font-weight:700;font-size:14px;margin-left:7px}
.hero-meta{display:flex;gap:24px;margin-top:28px;flex-wrap:wrap}
.meta-item{font-size:13px;color:var(--muted)}
.meta-item strong{display:block;color:var(--ink);font-size:20px;line-height:1.2}
.topic-visual{background:#253954;border-radius:18px;min-height:335px;padding:25px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.topic-visual:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-140px;top:-180px}
.visual-head,.visual-foot{display:flex;justify-content:space-between;position:relative;z-index:1}
.visual-head{font-size:13px;font-weight:700}
.visual-head span,.visual-foot small{color:#b9c9df}
.visual-title{position:relative;z-index:1;margin-top:72px;max-width:360px}
.visual-title strong{display:block;font-size:29px;line-height:1.35}
.visual-title p{color:#c8d6e8;font-size:14px;margin:10px 0}
.visual-line{height:1px;background:rgba(255,255,255,.25);margin:30px 0 21px;position:relative}
.visual-line:after{content:"";position:absolute;left:34%;top:-5px;width:11px;height:11px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(215,122,61,.17)}
.visual-foot{align-items:end}.visual-foot strong{font-size:20px;display:block}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.timeline-item{padding:26px 25px 24px;border-right:1px solid var(--line);position:relative}
.timeline-item:last-child{border:0}
.timeline-item:before{content:"";display:block;width:13px;height:13px;border:2px solid #aab6c7;border-radius:50%;margin-bottom:20px;background:#fff}
.timeline-item.live{background:#fffaf6}
.timeline-item.live:before{border-color:var(--orange);background:var(--orange);box-shadow:0 0 0 6px #fce9de}
.timeline-item h3{font-size:18px;margin-bottom:7px}
.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.timeline-date{display:block;color:var(--blue);font-size:12px;font-weight:700;margin-bottom:5px}
.feature-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:18px}
.feature-card,.update-panel,.related-card,.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s}
.feature-card:hover,.update-panel:hover,.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-card{overflow:hidden}
.cover{min-height:210px;background:linear-gradient(135deg,#dceaff 0%,#8eacd8 54%,#324b73 100%);position:relative;display:flex;align-items:flex-end;padding:20px;color:#fff}
.cover:after{content:"";position:absolute;inset:25px;border:1px solid rgba(255,255,255,.35);border-radius:10px}
.cover span{position:relative;z-index:1;background:rgba(23,37,61,.72);padding:5px 9px;border-radius:6px;font-size:12px}
.feature-body{padding:22px}
.feature-body p,.small-card p{color:var(--muted);font-size:14px;margin:10px 0 17px}
.small-card{padding:21px;min-height:245px;display:flex;flex-direction:column;justify-content:space-between}
.small-card .icon{width:40px;height:40px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800}
.update-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.update-panel{padding:25px}
.update-row{display:grid;grid-template-columns:82px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.update-row:last-child{border-bottom:0}
.update-date{color:var(--blue);font-size:13px;font-weight:800}
.update-row p{margin:3px 0 0;color:var(--muted);font-size:13px}
.note-box{background:var(--warm);border:1px solid #f0dfce;border-radius:var(--radius);padding:27px}
.note-box h3{margin-bottom:12px}.note-box p{font-size:14px;color:#705c4d;margin:0 0 18px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.related-card{padding:24px;display:flex;justify-content:space-between;gap:20px;align-items:center}
.related-card p{margin:5px 0 0;color:var(--muted);font-size:14px}
.faq-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.accordion{margin:0;background:transparent}
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-item:last-child{border-bottom:0}
.accordion-title{color:var(--ink);font-size:16px;font-weight:700;padding:20px 24px}
.accordion-title:hover{background:var(--blue-soft);color:var(--blue)}
.accordion-content{background:#f8fbff;color:var(--muted);font-size:14px;padding:18px 24px}
.cta{padding:62px 0;background:#eaf2ff;border-top:1px solid #d8e6f8}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-box p{color:var(--muted);margin:10px 0 0}
.site-footer{background:#253954;color:#fff;padding:52px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}
.footer-brand{font-size:20px;font-weight:800;margin-bottom:10px}
.site-footer p{color:#b9c9df;font-size:13px;max-width:280px;margin:0}
.site-footer h3{font-size:14px;color:#fff;margin-bottom:13px}
.site-footer a{display:block;color:#b9c9df;font-size:13px;margin:7px 0}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#aebed3;font-size:12px}
.reveal{border:0;border-radius:14px;padding:32px;box-shadow:var(--shadow-hover)}
.reveal h2{font-size:25px;margin-bottom:12px}.reveal p{color:var(--muted);font-size:14px}
@media(max-width:1024px){.top-bar-right{gap:0}.phase-nav{margin-right:7px}.utility-link{margin-left:8px}.hero-grid{gap:32px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card{grid-row:span 2}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}}
@media(max-width:767px){.container{width:min(var(--max),calc(100% - 28px))}.top-bar{min-height:65px}.top-bar-right{display:block;padding:15px 0}.nav-links{margin:0;display:block}.nav-links li a{padding:11px 5px}.phase-nav{margin:12px 0;overflow:auto;padding-bottom:3px}.utility-link{display:inline-block;margin:5px 14px 0 0}.hero{padding-top:18px}.hero-grid,.update-layout{grid-template-columns:1fr}.hero-copy{font-size:16px}.topic-visual{min-height:285px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.timeline{grid-template-columns:1fr}.timeline-item{border-right:0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border-bottom:0}.feature-grid{grid-template-columns:1fr}.feature-card{grid-row:auto}.small-card{min-height:0}.update-row{grid-template-columns:70px 1fr;align-items:start}.update-row .tag{grid-column:2}.related-grid{grid-template-columns:1fr}.cta-box{display:block}.cta-box .button{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:520px){h1{font-size:35px}.hero-meta{gap:15px}.button{width:100%;margin:0 0 10px;text-align:center}.visual-title{margin-top:55px}.visual-title strong{font-size:24px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* roulang page: category1 */
:root{
      --blue:#2e68c7;--blue-dark:#1f4e9a;--blue-soft:#eaf2ff;
      --indigo:#445579;--ink:#17253d;--muted:#68758a;--line:#dfe7f1;
      --paper:#fff;--mist:#f5f8fc;--warm:#fffaf4;--orange:#d77a3d;
      --green:#2f8a72;--radius:14px;--radius-sm:9px;
      --shadow:0 12px 34px rgba(31,63,110,.09);
      --shadow-hover:0 18px 42px rgba(31,63,110,.15);--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--mist);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
    a{color:var(--blue);text-decoration:none;transition:.2s ease}
    a:hover{color:var(--blue-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(46,104,199,.3);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .top-bar{background:transparent;padding:13px 0;display:flex;align-items:center;justify-content:space-between}
    .top-bar-left,.top-bar-right{display:flex;align-items:center}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.15;max-width:280px}
    .brand:hover{color:var(--blue)}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--blue);position:relative;box-shadow:0 6px 14px rgba(46,104,199,.22)}
    .brand-mark:after{content:"";position:absolute;width:0;height:0;left:13px;top:9px;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:13px solid #fff}
    .brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;margin-top:3px}
    .nav-links{gap:4px;margin-left:32px}
    .nav-links li a{display:block;padding:9px 13px;border-radius:8px;color:#506078;font-size:14px}
    .nav-links li a:hover,.nav-links li a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
    .phase-nav{display:flex;gap:6px;margin:0 18px 0 12px}
    .phase-chip,.tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px 9px;color:var(--muted);font-size:12px;line-height:1.3;white-space:nowrap;background:#fff}
    .phase-chip i{width:6px;height:6px;border-radius:50%;background:#aab6c7}
    .phase-chip.live{border-color:#f0d4c3;color:#a25a2e;background:#fff9f5}
    .phase-chip.live i{background:var(--orange)}
    .phase-chip.done i{background:var(--indigo)}
    .utility-link{font-size:13px;color:#506078;margin-left:15px}
    .utility-link:hover{color:var(--blue)}
    .hero{padding:66px 0 52px;background:linear-gradient(180deg,#f8fbff,#f1f6fd);border-bottom:1px solid var(--line)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .breadcrumb a{color:var(--blue)}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .eyebrow{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em;margin-bottom:16px}
    h1,h2,h3{margin-top:0;letter-spacing:-.035em;line-height:1.25}
    h1{font-size:clamp(34px,4.5vw,58px);margin-bottom:20px;max-width:650px}
    h2{font-size:clamp(26px,3vw,36px)}
    h3{font-size:19px}
    .hero-copy{font-size:18px;color:#53627a;max-width:620px;margin:0 0 28px}
    .button{border-radius:9px;font-weight:700;margin:0 8px 0 0;padding:13px 19px;transition:transform .2s,box-shadow .2s,background .2s}
    .button.primary{background:var(--blue)}
    .button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(46,104,199,.2)}
    .button.secondary{background:var(--blue-soft);color:var(--blue)}
    .button.secondary:hover{background:#dbe9ff}
    .text-link{font-weight:700;font-size:14px}
    .hero-panel{background:#253954;color:#fff;border-radius:18px;padding:26px;min-height:285px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-panel:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-60px;top:-100px}
    .panel-label{font-size:13px;color:#b9c9df;position:relative}
    .panel-title{font-size:27px;font-weight:800;max-width:300px;margin:52px 0 30px;position:relative}
    .panel-foot{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.18);padding-top:17px;position:relative}
    .panel-foot strong{display:block;font-size:22px}.panel-foot span{font-size:12px;color:#b9c9df}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head p{max-width:590px;color:var(--muted);margin:0}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:34px}
    .filter-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr auto;gap:12px;align-items:end}
    label{font-size:13px;font-weight:700;color:#506078;display:block;margin-bottom:6px}
    input,select,textarea{border:1px solid #cfdbea;border-radius:8px;background:#fbfdff;color:var(--ink);padding:10px 12px;height:45px;box-shadow:none}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,104,199,.1)}
    .filter-button{height:45px;margin:0;background:var(--blue);border-radius:8px}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px}
    .feature-card{display:grid;grid-template-columns:40% 60%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:20px;transition:.25s}
    .feature-card:hover,.item-card:hover,.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .cover{min-height:220px;background:linear-gradient(135deg,#dceaff 0%,#8caee0 47%,#364f78 48%,#253954 100%);position:relative}
    .cover:after{content:"内容审查封面";position:absolute;left:20px;bottom:18px;color:#fff;font-size:12px;background:rgba(23,37,61,.65);padding:5px 9px;border-radius:6px}
    .feature-body{padding:27px}
    .feature-body h3{font-size:25px;margin:15px 0 10px}
    .feature-body p{color:var(--muted);margin:0 0 18px}
    .item-card{display:grid;grid-template-columns:145px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;margin-bottom:12px;transition:.25s}
    .item-cover{height:95px;border-radius:8px;background:linear-gradient(135deg,#eff5ff,#b7ccec 55%,#516987)}
    .item-card h3{font-size:17px;margin:5px 0}.item-card p{font-size:13px;color:var(--muted);margin:0}
    .item-meta{font-size:12px;color:var(--muted);white-space:nowrap}
    .tag{background:var(--blue-soft);border:0;color:var(--blue);padding:4px 8px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:21px;margin-bottom:18px;transition:.25s}
    .side-card h3{font-size:17px;margin-bottom:13px}.side-card p{font-size:14px;color:var(--muted)}
    .side-links{list-style:none;margin:0;padding:0}.side-links li{border-top:1px solid var(--line);padding:10px 0}.side-links a{display:flex;justify-content:space-between;font-size:14px}
    .empty-note{padding:18px;background:var(--warm);border-left:3px solid var(--orange);font-size:14px;color:#6c5b50;margin-top:18px}
    .pagination-wrap{display:flex;justify-content:space-between;align-items:center;padding:24px 4px;margin-top:8px;border-top:1px solid var(--line)}
    .pagination{margin:0}.pagination a,.pagination .current{border-radius:7px;margin:0 3px}
    .pagination .current{background:var(--blue)}
    .related{background:#eef5ff;padding:55px 0}
    .related-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-height:145px}
    .related-card p{font-size:14px;color:var(--muted);margin:8px 0 14px}
    .faq-list{max-width:850px}.accordion{background:transparent;margin:0}.accordion-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{font-weight:700;color:var(--ink);font-size:16px;padding:17px 20px}.accordion-title:hover{background:var(--blue-soft);color:var(--blue)}
    .accordion-content{border-top:1px solid var(--line);background:#f8fbff;color:var(--muted);font-size:14px;padding:16px 20px}
    .notice{background:#253954;color:#fff;border-radius:16px;padding:35px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .notice h2{color:#fff;font-size:28px;margin-bottom:8px}.notice p{color:#c5d2e4;margin:0;max-width:680px;font-size:14px}
    .site-footer{background:#e8eef7;padding:48px 0 22px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px}
    .footer-brand{font-weight:800;font-size:19px;margin-bottom:10px}.footer-grid p{color:var(--muted);font-size:13px;max-width:300px}
    .footer-grid h3{font-size:14px;margin-bottom:12px}.footer-grid a{display:block;color:#5d6c83;font-size:13px;margin:7px 0}.footer-grid a:hover{color:var(--blue)}
    .footer-bottom{border-top:1px solid #d3deec;margin-top:30px;padding-top:16px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#738197;font-size:12px}
    .reveal{border:0;border-radius:14px;padding:30px;box-shadow:var(--shadow-hover)}.reveal h2{font-size:25px}.reveal p{color:var(--muted);font-size:14px}
    @media(max-width:1024px){.top-bar-right{gap:4px}.phase-nav{margin-right:7px}.utility-link{margin-left:8px}.filter-grid{grid-template-columns:repeat(3,1fr)}.filter-grid .search-field{grid-column:span 2}.filter-button{grid-column:span 1}}
    @media(max-width:767px){.container{width:min(var(--max),calc(100% - 28px))}.top-bar{flex-wrap:wrap}.top-bar-right{width:100%;display:none;align-items:flex-start;flex-direction:column;padding-top:15px}.top-bar-right.is-open{display:flex}.nav-links{margin:0;display:flex;flex-direction:column;width:100%;gap:3px}.nav-links li,.nav-links a{width:100%}.phase-nav{margin:10px 0;flex-wrap:wrap}.utility-link{margin:5px 0}.hero{padding:42px 0}.hero-grid,.content-layout{grid-template-columns:1fr;gap:28px}.hero-panel{min-height:245px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}.filter-grid{grid-template-columns:1fr}.filter-grid .search-field{grid-column:auto}.content-layout{display:flex;flex-direction:column}.side-card{order:2}.feature-card{grid-template-columns:1fr}.cover{min-height:150px}.item-card{grid-template-columns:88px 1fr}.item-cover{height:75px}.item-meta{grid-column:2}.related-grid{grid-template-columns:1fr}.notice{display:block;padding:28px}.notice .button{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
    @media(max-width:520px){h1{font-size:34px}.brand{font-size:14px;max-width:245px}.brand small{font-size:9px}.item-card{gap:11px}.item-card h3{font-size:15px}.feature-body{padding:21px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}}