/* roulang page: index */
:root{
            --ink:#17191f;
            --coal:#20242b;
            --coal-2:#2a3038;
            --paper:#f4f1e9;
            --paper-2:#ebe7dc;
            --white:#fffdf8;
            --muted:#8d949d;
            --muted-dark:#646b72;
            --line:rgba(23,25,31,.12);
            --line-light:rgba(255,255,255,.13);
            --green:#20b486;
            --green-deep:#138765;
            --gold:#c89545;
            --red:#d46f57;
            --radius:14px;
            --radius-lg:22px;
            --shadow:0 14px 35px rgba(23,25,31,.09);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(32,180,134,.42);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{height:36px;background:var(--green);color:#edfff8;display:flex;align-items:center;font-size:12px;overflow:hidden}
        .notice-inner{display:flex;align-items:center;gap:18px;white-space:nowrap}
        .notice b{font-weight:700;color:#fff}
        .notice .pulse{width:7px;height:7px;border-radius:50%;background:#d8ffef;box-shadow:0 0 0 5px rgba(216,255,239,.15)}
        .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
        .brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
        .brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
        .nav a:hover,.nav a.active{color:#fff}
        .nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
        .nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
        .nav-download:hover{background:#dbad63;transform:translateY(-1px)}
        .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
        .hero{background:var(--ink);color:var(--white);padding:76px 0 68px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 75%)}
        .hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;gap:75px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
        .eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
        h1{font-size:clamp(34px,4.5vw,58px);line-height:1.18;letter-spacing:-.045em;max-width:650px}
        .hero-copy{color:#b9c0c2;font-size:17px;max-width:570px;margin:23px 0 30px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
        .btn-primary{background:var(--green);color:#09241b}
        .btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
        .btn-ghost{border-color:#59616a;color:#e7e9e6}
        .btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
        .hero-panel{min-height:330px;background:#252a32;border:1px solid #404750;border-radius:20px;padding:25px;position:relative;box-shadow:20px 20px 0 rgba(200,149,69,.12)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line-light)}
        .panel-title{font-weight:800;font-size:18px}
        .version{font-size:11px;color:var(--green);border:1px solid rgba(32,180,134,.5);padding:3px 8px;border-radius:5px}
        .feature-visual{height:148px;margin:20px 0;background:linear-gradient(130deg,#263c39,#1d252d 55%,#54412a);border-radius:12px;position:relative;overflow:hidden;padding:22px}
        .feature-visual:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(200,149,69,.5);right:-25px;top:-38px;transform:rotate(35deg)}
        .visual-tag{display:inline-block;color:#161b1d;background:var(--gold);padding:3px 8px;font-size:11px;font-weight:800}
        .visual-title{font-size:23px;line-height:1.25;font-weight:900;margin-top:27px;max-width:230px}
        .panel-list{display:grid;grid-template-columns:1.3fr .7fr;gap:12px}
        .panel-item{background:#30363e;border-radius:9px;padding:12px 14px}
        .panel-item span{display:block;color:#959da3;font-size:11px}
        .panel-item b{font-size:14px;color:#f1f3ef}
        .hero-note{display:flex;gap:0;margin-top:42px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
        .hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
        .hero-note span:last-child{border:0}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-kicker{color:var(--green-deep);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}
        h2{font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-.035em}
        .section-intro{color:var(--muted-dark);max-width:450px}
        .text-link{color:var(--green-deep);font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{color:var(--gold)}
        .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .news-feature{background:var(--coal);color:white;border-radius:var(--radius-lg);padding:30px;min-height:355px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
        .news-feature:before{content:"资讯焦点";position:absolute;top:26px;right:27px;color:var(--gold);font-size:12px;border:1px solid var(--gold);padding:4px 9px}
        .news-feature:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(32,180,134,.3);border-radius:50%;right:-100px;top:-80px}
        .tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.14);color:var(--green-deep)}
        .news-feature .tag{color:#7de1bd;background:rgba(32,180,134,.2)}
        .news-feature h3{font-size:26px;line-height:1.35;margin:15px 0 9px;max-width:530px}
        .meta{font-size:12px;color:var(--muted);display:flex;gap:15px;align-items:center}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
        .news-item:hover{padding-left:8px;border-color:var(--green)}
        .news-date{color:var(--gold);font-size:12px;font-weight:800}
        .news-item h3{font-size:16px;margin-bottom:2px}
        .news-item p{font-size:12px;color:var(--muted-dark)}
        .arrow{font-size:20px;color:var(--green-deep)}
        .strategy{background:var(--paper-2)}
        .strategy-grid{display:grid;grid-template-columns:260px 1fr;gap:45px}
        .filter-box{border-left:3px solid var(--gold);padding-left:20px}
        .filter-box h3{font-size:17px;margin-bottom:14px}
        .filter-list{list-style:none;display:grid;gap:8px}
        .filter-list a{display:flex;justify-content:space-between;padding:8px 0;color:var(--muted-dark);border-bottom:1px dashed var(--line)}
        .filter-list a:hover,.filter-list a.active{color:var(--green-deep);font-weight:800}
        .strategy-items{display:grid;gap:12px}
        .strategy-card{background:var(--white);border:1px solid var(--line);padding:20px 22px;border-radius:12px;display:grid;grid-template-columns:53px 1fr auto;gap:18px;align-items:center;transition:.25s}
        .strategy-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateX(3px)}
        .num{font-size:28px;font-weight:900;color:var(--gold);font-family:Georgia,serif}
        .strategy-card h3{font-size:17px;margin:5px 0 4px}
        .strategy-card p{color:var(--muted-dark);font-size:13px}
        .difficulty{font-size:11px;color:var(--green-deep);background:#e3f5ed;padding:4px 8px;border-radius:5px;white-space:nowrap}
        .download-section{padding:88px 0}
        .download-box{background:var(--coal);color:#fff;border-radius:var(--radius-lg);padding:48px;display:grid;grid-template-columns:1fr 290px;gap:45px;overflow:hidden;position:relative}
        .download-box:before{content:"APP";position:absolute;right:10px;bottom:-45px;font-size:200px;font-weight:900;color:rgba(255,255,255,.035);line-height:1}
        .download-box h2{max-width:550px}
        .download-box p{color:#b5bcc0;max-width:550px;margin:15px 0 22px}
        .download-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
        .download-meta span{border:1px solid #4c555c;color:#d8ddd8;padding:6px 10px;border-radius:6px;font-size:12px}
        .device-card{z-index:1;border:1px solid #505961;background:#30363d;border-radius:18px;padding:19px;align-self:center}
        .device-screen{height:170px;border-radius:11px;background:linear-gradient(150deg,#183d38,#252c33);padding:17px}
        .device-screen strong{display:block;font-size:22px;margin-top:20px}
        .device-lines{margin-top:20px;display:grid;gap:7px}
        .device-lines i{height:5px;background:#68747a;border-radius:3px;display:block}
        .device-lines i:nth-child(2){width:75%}.device-lines i:nth-child(3){width:52%}
        .events{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .event-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px;display:grid;grid-template-columns:65px 1fr;gap:18px}
        .event-date{color:var(--gold);font-weight:900;font-size:13px;border-right:1px solid var(--line)}
        .event-card h3{font-size:17px;margin:5px 0}
        .event-card p{color:var(--muted-dark);font-size:13px}
        .status{font-size:11px;color:var(--green-deep);background:#e2f5ed;padding:3px 7px;border-radius:4px}
        .faq-section{background:var(--white)}
        .faq-grid{max-width:850px;margin:auto}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;background:none;text-align:left;padding:20px 5px;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink)}
        .faq-question span:last-child{color:var(--green);font-size:22px;transition:.2s}
        .faq-answer{max-height:0;overflow:hidden;color:var(--muted-dark);font-size:14px;transition:max-height .3s,padding .3s}
        .faq-item.open .faq-answer{max-height:100px;padding:0 5px 19px}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:70px 0;background:var(--gold);color:var(--ink)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{max-width:650px}
        .cta p{margin-top:8px;color:#51432d}
        .cta .btn{background:var(--ink);color:#fff}
        .cta .btn:hover{background:#30353c}
        footer{background:var(--ink);color:#b7bec1;padding:48px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
        .footer-brand{color:#fff;font-weight:800;font-size:17px}
        .footer-brand p{color:#858d92;font-size:12px;font-weight:400;margin-top:12px;max-width:280px}
        footer h3{color:#fff;font-size:14px;margin-bottom:13px}
        footer ul{list-style:none;display:grid;gap:7px;font-size:13px}
        footer a:hover{color:var(--green)}
        .copyright{border-top:1px solid var(--line-light);padding-top:20px;font-size:12px;color:#737b80;display:flex;justify-content:space-between;gap:20px}
        .top{color:var(--gold)}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:215px}.nav a{padding-left:7px;padding-right:7px}
            .hero-grid{gap:38px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,var(--container))}
            .notice-inner{width:max-content}
            .nav-wrap{height:66px}.brand{min-width:0;flex:1}.brand-text{font-size:14px}.brand-text small{display:none}
            .nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--ink);padding:12px 16px 20px;border-bottom:1px solid var(--line-light);flex-direction:column;align-items:stretch}
            .nav.show{display:flex}.nav a{padding:12px 8px}.nav a.active:after{left:8px;right:auto;width:28px;bottom:5px}.nav-download{margin:8px 0 0;text-align:center}
            .menu-toggle{display:block}.hero{padding:53px 0 48px}.hero-grid{grid-template-columns:1fr}.hero-panel{min-height:290px}.hero-note{margin-top:30px;flex-wrap:wrap;gap:10px}.hero-note span{margin-right:12px;padding-right:12px}
            .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}.section-head .text-link{display:inline-block;margin-top:15px}
            .news-layout,.events{grid-template-columns:1fr}.strategy-grid{grid-template-columns:1fr;gap:25px}.filter-list{display:flex;overflow:auto;gap:9px}.filter-list a{white-space:nowrap;border:1px solid var(--line);padding:7px 12px;border-radius:6px}
            .download-box{grid-template-columns:1fr;padding:30px 24px}.device-card{max-width:300px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
            .cta-inner{display:block}.cta .btn{margin-top:20px}
        }
        @media(max-width:520px){
            h1{font-size:34px}.hero-copy{font-size:15px}.hero-panel{padding:18px}.feature-visual{height:135px}.visual-title{font-size:19px;margin-top:22px}
            .news-feature{min-height:300px;padding:22px}.news-feature h3{font-size:22px}.news-item{grid-template-columns:54px 1fr}.news-item .arrow{display:none}
            .strategy-card{grid-template-columns:34px 1fr}.strategy-card .difficulty{grid-column:2;width:max-content}.num{font-size:22px}
            .event-card{grid-template-columns:54px 1fr;padding:18px}.download-box h2{font-size:27px}.copyright{display:block}.copyright .top{display:block;margin-top:8px}.footer-grid{gap:25px}
        }

/* roulang page: category2 */
:root{
 --ink:#17191f;--coal:#20242b;--coal-2:#2a3038;--paper:#f4f1e9;--paper-2:#ebe7dc;
 --white:#fffdf8;--muted:#8d949d;--muted-dark:#646b72;--line:rgba(23,25,31,.12);
 --line-light:rgba(255,255,255,.13);--green:#20b486;--green-deep:#138765;
 --gold:#c89545;--red:#d46f57;--radius:14px;--radius-lg:22px;
 --shadow:0 14px 35px rgba(23,25,31,.09);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
.brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
.brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
.nav{display:flex;align-items:center;gap:4px;flex:1}
.nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
.nav a:hover,.nav a.active{color:#fff}
.nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
.nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
.nav-download:hover{background:#dbad63;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.guide-hero{background:var(--ink);color:var(--white);padding:62px 0 52px;position:relative;overflow:hidden}
.guide-hero:after{content:"";position:absolute;right:-100px;top:-120px;width:430px;height:430px;border:1px solid rgba(200,149,69,.32);transform:rotate(27deg)}
.hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:end}
.crumb{color:#9da5a8;font-size:13px;margin-bottom:24px}
.crumb a:hover{color:var(--gold)}
.eyebrow,.section-kicker{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.13em}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,56px);line-height:1.16;letter-spacing:-.04em;margin:13px 0 20px}
.hero-copy{max-width:650px;color:#b9c0c2;font-size:17px;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--green);color:#09241b}
.btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
.btn-ghost{border-color:#59616a;color:#e7e9e6}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.hero-index{border:1px solid #404750;background:var(--coal-2);border-radius:16px;padding:24px}
.hero-index h2{font-size:18px;margin-bottom:17px}
.index-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line-light);padding:12px 0;color:#cbd0d0}
.index-row span{color:var(--muted);font-size:12px}
.index-row strong{font-size:14px}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:29px}
.section-kicker{color:var(--green-deep);margin-bottom:8px}
.section h2{font-size:32px;line-height:1.25;margin-bottom:8px;letter-spacing:-.025em}
.section-intro{color:var(--muted-dark);max-width:540px}
.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:25px 0 34px}
.filter{border:1px solid var(--line);background:transparent;color:var(--muted-dark);padding:8px 15px;border-radius:8px;transition:.2s}
.filter:hover,.filter.active{background:var(--coal);color:var(--white);border-color:var(--coal)}
.guide-grid{display:grid;grid-template-columns:290px 1fr;gap:28px}
.side-card,.guide-card,.step-card,.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 5px 18px rgba(23,25,31,.035)}
.side-card{padding:23px;height:max-content;position:sticky;top:105px}
.side-card h3{font-size:18px;margin-bottom:14px}
.side-nav a{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted-dark);transition:.2s}
.side-nav a:hover,.side-nav a.active{color:var(--green-deep);padding-left:5px}
.side-nav a span{font-size:12px;color:var(--muted)}
.guide-list{display:grid;gap:14px}
.guide-card{display:grid;grid-template-columns:65px 1fr auto;gap:20px;align-items:center;padding:22px 24px;transition:.25s}
.guide-card:hover{transform:translateY(-2px);border-color:rgba(32,180,134,.55);box-shadow:var(--shadow)}
.guide-number{font-size:30px;font-weight:900;color:var(--gold);font-family:Georgia,serif}
.guide-card h3{font-size:19px;margin:7px 0 5px}
.guide-card p{color:var(--muted-dark);font-size:14px;margin-bottom:7px}
.tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.13);color:var(--green-deep)}
.card-meta{font-size:12px;color:var(--muted);white-space:nowrap}
.arrow-link{color:var(--green-deep);font-size:14px;font-weight:800;white-space:nowrap}
.arrow-link:hover{color:var(--gold)}
.dark-section{background:var(--coal);color:var(--white)}
.dark-section .section-intro{color:#aab1b4}
.popular-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.popular-card{padding:25px;background:#2a3038;border:1px solid #424952;border-radius:var(--radius);min-height:190px;transition:.25s}
.popular-card:hover{border-color:var(--green);transform:translateY(-3px)}
.popular-card .num{color:var(--gold);font-size:13px;font-weight:900}
.popular-card h3{font-size:20px;line-height:1.4;margin:20px 0 10px}
.popular-card p{color:#aeb6b8;font-size:14px}
.version-block{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;align-items:stretch}
.version-note{background:var(--gold);color:var(--ink);padding:32px;border-radius:var(--radius-lg)}
.version-note h2{font-size:30px;margin-bottom:15px}
.version-note p{margin-bottom:24px}
.version-list{display:grid;gap:12px}
.version-item{display:flex;justify-content:space-between;gap:20px;padding:20px 22px;background:var(--white);border:1px solid var(--line);border-radius:12px}
.version-item strong{display:block;font-size:16px;margin-bottom:3px}
.version-item span{font-size:13px;color:var(--muted-dark)}
.faq-list{max-width:850px;margin:auto}
.faq-item{margin-bottom:11px;overflow:hidden}
.faq-item summary{padding:19px 22px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--green-deep);font-size:22px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 22px 20px;color:var(--muted-dark);font-size:14px}
.cta{background:var(--coal);color:var(--white);border-radius:var(--radius-lg);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta h2{font-size:29px;margin-bottom:8px}
.cta p{color:#abb2b4;margin:0}
footer{background:var(--ink);color:#dfe2de;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}
.footer-brand{font-weight:900;font-size:19px}
.footer-brand p{color:#939ba0;font-size:13px;font-weight:400;max-width:285px;margin-top:13px}
footer h3{font-size:14px;color:var(--gold);margin-bottom:14px}
footer ul{padding:0;margin:0;list-style:none}
footer li{margin:8px 0;color:#9ca4a7;font-size:13px}
footer li a:hover{color:var(--green)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-light);margin-top:38px;padding-top:18px;color:#7f898d;font-size:12px}
.top:hover{color:var(--gold)}
:focus-visible{outline:3px solid rgba(32,180,134,.5);outline-offset:3px}
@media(max-width:1024px){.nav-wrap{gap:15px}.brand{min-width:205px}.nav a{padding-left:8px;padding-right:8px}.hero-layout{gap:35px}.guide-grid{grid-template-columns:245px 1fr}}
@media(max-width:768px){
 .container{width:min(100% - 36px,var(--container))}
 .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:14px}.brand-text small{display:none}
 .menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:8px 18px 18px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-light)}
 .nav.open{display:flex}.nav a{padding:12px 8px}.nav a.active:after{left:0;right:auto;width:25px;bottom:6px}.nav-download{margin:7px 0 0;text-align:center}
 .hero-layout,.guide-grid,.version-block{grid-template-columns:1fr}.guide-hero{padding:46px 0}.hero-index{margin-top:8px}
 .section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:12px}.side-card{position:static}
 .popular-grid{grid-template-columns:1fr}.guide-card{grid-template-columns:45px 1fr}.guide-card .arrow-link{grid-column:2}.card-meta{white-space:normal}
 .cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 h1{font-size:35px}.hero-copy{font-size:15px}.filter-bar{flex-wrap:nowrap;overflow:auto;padding-bottom:5px}.filter{white-space:nowrap}
 .guide-card{padding:18px 16px;gap:12px}.guide-card h3{font-size:17px}.guide-number{font-size:25px}
 .version-item{display:block}.version-item .tag{margin-bottom:8px}.version-item span{display:block;margin-top:8px}
 .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright .top{display:block;margin-top:10px}
}

/* roulang page: category1 */
:root{
            --ink:#17191f;
            --coal:#20242b;
            --coal-2:#2a3038;
            --paper:#f4f1e9;
            --paper-2:#ebe7dc;
            --white:#fffdf8;
            --muted:#8d949d;
            --muted-dark:#646b72;
            --line:rgba(23,25,31,.12);
            --line-light:rgba(255,255,255,.13);
            --green:#20b486;
            --green-deep:#138765;
            --gold:#c89545;
            --red:#d46f57;
            --radius:14px;
            --radius-lg:22px;
            --shadow:0 14px 35px rgba(23,25,31,.09);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
        .brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
        .brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
        .nav a:hover,.nav a.active{color:#fff}
        .nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
        .nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
        .nav-download:hover{background:#dbad63;transform:translateY(-1px)}
        .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
        .hero{background:var(--ink);color:var(--white);padding:70px 0 52px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 80%)}
        .hero-inner{position:relative;max-width:820px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:17px}
        .eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,56px);line-height:1.16;letter-spacing:-.04em;margin-bottom:20px}
        .hero-copy{color:#b9c0c2;font-size:17px;max-width:720px;margin-bottom:28px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
        .btn-primary{background:var(--green);color:#09241b}
        .btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
        .btn-ghost{border-color:#59616a;color:#e7e9e6}
        .btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-note{display:flex;gap:0;margin-top:40px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
        .hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
        .hero-note span:last-child{border:0}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-kicker{color:var(--green-deep);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}
        .section h2{font-size:clamp(25px,3vw,34px);line-height:1.25;margin-bottom:10px}
        .section-intro{color:var(--muted-dark);max-width:500px;margin-bottom:0}
        .text-link{color:var(--green-deep);font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{color:var(--gold)}
        .filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
        .filter{border:1px solid var(--line);background:rgba(255,255,255,.45);color:var(--muted-dark);padding:8px 14px;border-radius:8px;font-size:13px;transition:.2s}
        .filter:hover,.filter.active{background:var(--coal);border-color:var(--coal);color:var(--white)}
        .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px}
        .feature-news{min-height:380px;background:var(--coal);color:#fff;border-radius:var(--radius-lg);padding:30px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .feature-news:before{content:"资讯焦点";position:absolute;right:25px;top:24px;border:1px solid var(--gold);color:var(--gold);font-size:12px;padding:3px 9px}
        .feature-news:after{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(32,180,134,.25);border-radius:50%;right:-120px;top:-95px}
        .feature-art{height:132px;border-radius:12px;background:linear-gradient(135deg,#28463d,#202a31 58%,#59442b);position:absolute;inset:0 0 auto 0;opacity:.85}
        .feature-content{position:relative;z-index:1;margin-top:126px}
        .tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.14);color:var(--green-deep)}
        .feature-news .tag{color:#7de1bd;background:rgba(32,180,134,.2)}
        .feature-news h3{font-size:25px;line-height:1.35;margin:14px 0 8px;max-width:570px}
        .meta{font-size:12px;color:var(--muted);display:flex;gap:15px;align-items:center}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:68px 1fr auto;gap:17px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.2s}
        .news-item:hover{padding-left:7px;border-color:var(--green)}
        .news-date{font-size:12px;color:var(--green-deep);font-weight:800}
        .news-item h3{font-size:16px;margin-bottom:3px;line-height:1.4}
        .news-item p{font-size:13px;color:var(--muted-dark);margin-bottom:0}
        .news-arrow{font-size:20px;color:var(--gold)}
        .info-strip{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0}
        .info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .info-cell{border-left:3px solid var(--gold);padding-left:15px}
        .info-cell small{display:block;color:var(--muted-dark);font-size:12px}
        .info-cell strong{display:block;font-size:17px;margin-top:3px}
        .split-section{display:grid;grid-template-columns:230px 1fr;gap:50px;align-items:start}
        .side-note{color:var(--muted-dark);font-size:14px}
        .guide-list{display:grid;gap:12px}
        .guide-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;transition:.25s}
        .guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(32,180,134,.5)}
        .guide-no{font-size:25px;color:var(--gold);font-weight:900}
        .guide-card h3{font-size:17px;margin:5px 0 4px}
        .guide-card p{font-size:13px;color:var(--muted-dark);margin:0}
        .events{background:var(--coal);color:var(--white)}
        .events .section-kicker{color:var(--gold)}
        .events .section-intro{color:#aab1b2}
        .event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .event-card{border:1px solid #3d444c;border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.025)}
        .event-card:hover{border-color:var(--green)}
        .status{font-size:11px;color:var(--green);font-weight:800}
        .status.soon{color:var(--gold)}
        .status.end{color:#a3a8aa}
        .event-card h3{font-size:18px;margin:14px 0 8px}
        .event-card p{font-size:13px;color:#aab1b2;margin-bottom:13px}
        .download-panel{background:var(--gold);border-radius:var(--radius-lg);padding:36px 40px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center}
        .download-panel h2{font-size:30px;margin-bottom:10px}
        .download-panel p{color:#49371d;max-width:590px}
        .download-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:#60491f;margin:18px 0}
        .download-meta span{border-left:1px solid rgba(73,55,29,.35);padding-left:12px}
        .download-panel .btn-primary{background:var(--coal);color:var(--white)}
        .download-panel .btn-primary:hover{background:#303740}
        .qr-box{justify-self:end;width:150px;height:150px;background:repeating-linear-gradient(45deg,#20242b 0 5px,#fffdf8 5px 10px);border:10px solid var(--white);box-shadow:0 5px 0 rgba(23,25,31,.15)}
        .faq-wrap{max-width:850px;margin:auto}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{list-style:none;cursor:pointer;padding:20px 4px;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";color:var(--green-deep);font-size:22px}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted-dark);padding:0 36px 20px 4px;font-size:14px}
        .cta{padding:66px 0;background:var(--paper-2);text-align:center}
        .cta h2{font-size:30px;margin-bottom:10px}
        .cta p{color:var(--muted-dark);margin-bottom:23px}
        footer{background:var(--ink);color:#dfe3df;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}
        .footer-brand{font-size:19px;font-weight:800;color:var(--white)}
        .footer-brand p{font-size:13px;line-height:1.8;color:#949ca0;font-weight:400;max-width:300px;margin-top:12px}
        footer h3{font-size:14px;color:var(--gold);margin:0 0 14px}
        footer ul{padding:0;margin:0;list-style:none}
        footer li{margin:8px 0;color:#aab1b2;font-size:13px}
        footer li a:hover{color:var(--green)}
        .copyright{border-top:1px solid var(--line-light);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#81898d;font-size:12px}
        .top{color:var(--gold)}
        .top:hover{color:var(--green)}
        :focus-visible{outline:3px solid rgba(32,180,134,.5);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:16px}.brand{min-width:210px}.nav a{padding-left:8px;padding-right:8px}
            .nav a.active:after{left:8px;right:8px}.hero-grid,.news-layout{gap:30px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,var(--container))}
            .nav-wrap{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:14px}
            .menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 18px 20px;flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 10px}.nav a.active:after{display:none}.nav-download{margin:7px 0 0;text-align:center}
            .hero{padding:54px 0 42px}.hero-note{flex-wrap:wrap;row-gap:12px}.hero-note span{margin-right:13px;padding-right:13px}
            .news-layout,.split-section,.download-panel{grid-template-columns:1fr}
            .section{padding:60px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:16px}
            .info-grid{grid-template-columns:repeat(2,1fr)}.event-grid{grid-template-columns:1fr}
            .qr-box{justify-self:start}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 32px)}h1{font-size:35px}.hero-copy{font-size:15px}
            .hero-actions .btn{width:100%}.news-item{grid-template-columns:58px 1fr}.news-arrow{display:none}
            .guide-card{grid-template-columns:38px 1fr;padding:16px}.guide-card .tag{grid-column:2}
            .info-grid{grid-template-columns:1fr 1fr}.download-panel{padding:27px 22px}
            .download-panel h2{font-size:25px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright .top{display:block;margin-top:10px}
        }

/* roulang page: category3 */
:root{
 --ink:#17191f;
 --coal:#20242b;
 --coal-2:#2a3038;
 --paper:#f4f1e9;
 --paper-2:#ebe7dc;
 --white:#fffdf8;
 --muted:#8d949d;
 --muted-dark:#646b72;
 --line:rgba(23,25,31,.12);
 --line-light:rgba(255,255,255,.13);
 --green:#20b486;
 --green-deep:#138765;
 --gold:#c89545;
 --red:#d46f57;
 --radius:14px;
 --radius-lg:22px;
 --shadow:0 14px 35px rgba(23,25,31,.09);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,p{margin-top:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
.brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
.brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
.nav{display:flex;align-items:center;gap:3px;flex:1}
.nav a{position:relative;padding:27px 11px 24px;color:#b9bec3;font-size:14px;transition:.25s;white-space:nowrap}
.nav a:hover,.nav a.active{color:#fff}
.nav a.active:after{content:"";position:absolute;bottom:15px;left:11px;right:11px;height:2px;background:var(--green)}
.nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto}
.nav-download:hover{background:#dbad63;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.notice-bar{background:#242a30;color:#bfc6c6;font-size:12px}
.notice-inner{height:35px;display:flex;align-items:center;gap:18px}
.notice-label{color:var(--gold);font-weight:800}
.notice-inner a{transition:.2s}
.notice-inner a:hover{color:var(--green)}
.hero{background:var(--ink);color:var(--white);padding:76px 0 62px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 75%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
.eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
.hero h1{font-size:clamp(34px,4.2vw,54px);line-height:1.18;letter-spacing:-.04em;margin:0;max-width:650px}
.hero-copy{color:#b9c0c2;font-size:17px;max-width:590px;margin:23px 0 30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--green);color:#09241b}
.btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
.btn-ghost{border-color:#59616a;color:#e7e9e6}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.event-board{background:#252a32;border:1px solid #414850;border-radius:20px;padding:25px;box-shadow:20px 20px 0 rgba(200,149,69,.12)}
.board-top{display:flex;justify-content:space-between;align-items:center;color:#aeb5b9;font-size:12px}
.board-top strong{color:var(--white);font-size:18px}
.board-art{height:150px;margin:20px 0;background:linear-gradient(130deg,#263c39,#1d252d 55%,#54412a);border-radius:12px;position:relative;overflow:hidden;padding:22px}
.board-art:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(200,149,69,.55);right:-34px;top:-40px;transform:rotate(35deg)}
.art-label{position:relative;z-index:1;display:inline-block;background:var(--gold);color:#161b1d;padding:3px 8px;font-size:11px;font-weight:800}
.board-art h2{position:relative;z-index:1;font-size:24px;line-height:1.25;margin-top:28px;max-width:250px}
.board-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.board-cell{background:#30363e;border-radius:9px;padding:12px 14px}
.board-cell span{display:block;color:#959da3;font-size:11px}
.board-cell b{color:#f1f3ef;font-size:14px}
.hero-note{display:flex;margin-top:42px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
.hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
.hero-note span:last-child{border:0}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{color:var(--green-deep);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}
.section h2{font-size:32px;line-height:1.25;margin-bottom:8px}
.section-intro{color:var(--muted-dark);max-width:540px;margin:0}
.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:36px}
.filter{border:1px solid var(--line);background:rgba(255,255,255,.45);color:var(--muted-dark);border-radius:7px;padding:8px 15px;font-size:13px;transition:.2s}
.filter:hover,.filter.active{background:var(--coal);color:#fff;border-color:var(--coal)}
.timeline{position:relative;margin-left:14px;border-left:1px solid rgba(32,180,134,.35)}
.timeline-item{position:relative;padding:0 0 28px 38px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border:3px solid var(--paper);background:var(--green);border-radius:50%;left:-6px;top:7px;box-shadow:0 0 0 1px var(--green)}
.event-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;display:grid;grid-template-columns:150px 1fr auto;gap:25px;align-items:center;transition:.25s}
.event-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateX(3px)}
.event-date{font-size:13px;color:var(--muted-dark)}
.event-date strong{display:block;font-size:25px;color:var(--ink);line-height:1.2}
.event-title{font-size:19px;font-weight:850;margin:8px 0 5px}
.event-desc{font-size:13px;color:var(--muted-dark);margin:0}
.tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.14);color:var(--green-deep)}
.tag.gold{background:rgba(200,149,69,.16);color:#946a28}
.tag.red{background:rgba(212,111,87,.15);color:#a9503d}
.event-state{align-self:start;justify-self:end;white-space:nowrap}
.detail-link{color:var(--green-deep);font-size:13px;font-weight:800;display:inline-block;margin-top:12px}
.detail-link:hover{color:var(--gold)}
.info-strip{background:var(--coal);color:#fff;border-radius:var(--radius-lg);padding:28px 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.info-block{border-left:2px solid var(--gold);padding-left:16px}
.info-block small{display:block;color:#9ba2a6;font-size:12px;margin-bottom:4px}
.info-block strong{font-size:17px}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice-card{background:var(--paper-2);padding:25px;border-radius:var(--radius);border:1px solid transparent;transition:.25s}
.notice-card:hover{background:var(--white);border-color:var(--line);box-shadow:var(--shadow)}
.notice-card h3{font-size:19px;margin:15px 0 8px}
.notice-card p{color:var(--muted-dark);font-size:14px;margin-bottom:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.step{background:var(--white);padding:25px;border:1px solid var(--line);border-radius:var(--radius)}
.step-number{color:var(--gold);font-size:30px;font-weight:900;line-height:1}
.step h3{font-size:17px;margin:17px 0 7px}
.step p{color:var(--muted-dark);font-size:13px;margin:0}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 4px;font-size:16px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";font-size:21px;color:var(--green-deep);font-weight:400}
.faq-item[open] summary:after{content:"－"}
.faq-answer{color:var(--muted-dark);padding:0 38px 21px 4px;font-size:14px}
.cta{background:var(--coal);color:#fff;border-radius:var(--radius-lg);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0 0 8px;font-size:28px}
.cta p{margin:0;color:#b6bec1}
footer{background:var(--ink);color:#dfe3df;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}
.footer-brand{font-size:20px;font-weight:800;color:#fff}
.footer-brand p{font-size:13px;line-height:1.8;color:#9ba2a7;font-weight:400;max-width:280px;margin-top:14px}
footer h3{font-size:14px;color:var(--gold);margin-bottom:15px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:7px 0;color:#aeb5b8;font-size:13px}
footer li a:hover{color:var(--green)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-light);margin-top:40px;padding-top:18px;color:#81898e;font-size:12px}
.top{color:var(--gold)}
.top:hover{color:var(--green)}
:focus-visible{outline:3px solid rgba(32,180,134,.5);outline-offset:3px}
@media(max-width:1080px){
 .nav-wrap{gap:14px}.brand{min-width:210px}.nav a{padding-left:7px;padding-right:7px;font-size:13px}
 .nav a.active:after{left:7px;right:7px}.hero-inner{gap:38px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:14px}
 .menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:10px 18px 18px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-light)}
 .nav.open{display:flex}.nav a{padding:12px 10px}.nav a.active:after{bottom:5px;left:10px;right:auto;width:35px}.nav-download{margin:7px 0 0;text-align:center}
 .notice-inner{overflow:hidden;white-space:nowrap}.hero{padding:55px 0 48px}.hero-inner{grid-template-columns:1fr;gap:38px}.hero h1{font-size:38px}
 .hero-note{margin-top:30px;flex-wrap:wrap;gap:12px}.hero-note span{margin-right:10px;padding-right:10px}
 .section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:13px}.section h2{font-size:27px}
 .event-card{grid-template-columns:1fr;gap:10px}.event-state{justify-self:start}.notice-grid,.steps{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr;padding:24px}
 .cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .container{width:calc(100% - 32px)}.brand-mark{width:32px;height:32px;font-size:16px}.brand-text small{font-size:8px}
 .hero h1{font-size:32px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.board-art{height:135px}
 .section-head{margin-bottom:24px}.event-card{padding:18px}.timeline-item{padding-left:27px}.event-title{font-size:17px}
 .copyright{display:block;line-height:1.8}.copyright .top{display:block;margin-top:8px}.footer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
      --ink:#17191f;
      --coal:#20242b;
      --coal-2:#2a3038;
      --paper:#f4f1e9;
      --paper-2:#ebe7dc;
      --white:#fffdf8;
      --muted:#8d949d;
      --muted-dark:#646b72;
      --line:rgba(23,25,31,.12);
      --line-light:rgba(255,255,255,.13);
      --green:#20b486;
      --green-deep:#138765;
      --gold:#c89545;
      --red:#d46f57;
      --radius:14px;
      --radius-lg:22px;
      --shadow:0 14px 35px rgba(23,25,31,.09);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .notice-bar{height:34px;background:#101216;color:#aeb5b6;font-size:12px;display:flex;align-items:center}
    .notice-inner{display:flex;justify-content:space-between;gap:20px}
    .notice-inner span:first-child{color:var(--gold)}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
    .brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
    .brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
    .nav a:hover,.nav a.active{color:#fff}
    .nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
    .nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
    .nav-download:hover{background:#dbad63;transform:translateY(-1px)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .page-hero{background:var(--ink);color:var(--white);padding:72px 0 65px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 78%)}
    .hero-layout{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:16px}
    .eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
    h1{font-size:clamp(34px,4.5vw,54px);line-height:1.18;letter-spacing:-.04em;margin-bottom:20px}
    .hero-copy{font-size:17px;color:#b9c0c2;max-width:590px;margin-bottom:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#09241b}
    .btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
    .btn-ghost{border-color:#59616a;color:#e7e9e6}
    .btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .version-board{background:#252a32;border:1px solid #404750;border-radius:20px;padding:25px;box-shadow:20px 20px 0 rgba(200,149,69,.12)}
    .board-top{display:flex;justify-content:space-between;align-items:center;color:#f1f3ef}
    .board-top strong{font-size:20px}
    .board-top span{font-size:11px;color:var(--green);border:1px solid rgba(32,180,134,.55);padding:3px 8px}
    .board-screen{height:160px;margin:21px 0;background:linear-gradient(135deg,#263c39,#1c252b 58%,#53402a);border-radius:12px;padding:22px;position:relative;overflow:hidden}
    .board-screen:after{content:"";position:absolute;right:-30px;top:-45px;width:190px;height:190px;border:1px solid rgba(200,149,69,.55);transform:rotate(35deg)}
    .screen-label{font-size:11px;color:var(--gold);letter-spacing:.1em}
    .screen-title{font-size:25px;font-weight:900;line-height:1.25;margin-top:26px;max-width:260px}
    .board-info{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .board-info div{background:#30363e;border-radius:9px;padding:11px}
    .board-info small{display:block;color:#959da3;font-size:11px}
    .board-info b{color:#f1f3ef;font-size:14px}
    .hero-note{display:flex;gap:0;margin-top:38px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
    .hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
    .hero-note span:last-child{border:0}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--green-deep);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}
    h2{font-size:32px;line-height:1.3;margin-bottom:10px;letter-spacing:-.03em}
    .section-intro{color:var(--muted-dark);max-width:520px}
    .tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.14);color:var(--green-deep)}
    .version-feature{display:grid;grid-template-columns:1.15fr .85fr;background:var(--coal);color:#fff;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:30px}
    .feature-copy{padding:35px}
    .feature-copy h3{font-size:27px;line-height:1.35;margin:16px 0 10px}
    .feature-copy p{color:#b9c0c2;max-width:580px}
    .feature-aside{padding:35px;background:#292f37;border-left:1px solid #424850;display:flex;flex-direction:column;justify-content:center}
    .aside-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line-light);padding:13px 0;color:#aeb5b8;font-size:13px}
    .aside-line strong{color:#fff}
    .filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
    .filter{border:1px solid #cfd0c8;background:transparent;color:var(--muted-dark);padding:8px 14px;border-radius:8px;font-size:13px;transition:.2s}
    .filter:hover,.filter.active{border-color:var(--green);color:var(--green-deep);background:rgba(32,180,134,.08)}
    .timeline{position:relative;padding-left:28px;border-left:1px solid #c9c8bd}
    .timeline-item{position:relative;padding:0 0 34px 25px}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:6px;width:11px;height:11px;background:var(--paper);border:3px solid var(--green);border-radius:50%}
    .timeline-item.gold:before{border-color:var(--gold)}
    .timeline-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px 25px;display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;transition:.25s}
    .timeline-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateX(3px)}
    .version-number{font-size:25px;font-weight:900;color:var(--gold);letter-spacing:-.04em}
    .date{font-size:12px;color:var(--muted-dark);margin-top:3px}
    .timeline-card h3{font-size:19px;margin:0 0 5px}
    .timeline-card p{font-size:13px;color:var(--muted-dark);margin:0}
    .card-link{font-size:13px;font-weight:800;color:var(--green-deep);white-space:nowrap}
    .card-link:hover{color:var(--gold)}
    .updates-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
    .update-chip{background:var(--paper-2);padding:19px;border-radius:12px;border:1px solid transparent}
    .update-chip:hover{border-color:var(--gold)}
    .update-chip b{display:block;font-size:16px;margin-bottom:5px}
    .update-chip span{font-size:13px;color:var(--muted-dark)}
    .download-cta{background:var(--coal);color:#fff;border-radius:var(--radius-lg);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .download-cta h2{color:#fff;margin-bottom:8px}
    .download-cta p{color:#b9c0c2;margin:0;max-width:620px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:17px 0}
    summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--green-deep);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted-dark);font-size:14px;margin:13px 28px 2px 0}
    footer{background:var(--ink);color:#dce0dc;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
    .footer-brand{font-size:20px;font-weight:900;color:var(--white)}
    .footer-brand p{font-size:13px;line-height:1.8;font-weight:400;color:#979fa2;max-width:300px;margin-top:14px}
    footer h3{font-size:14px;color:var(--gold);margin-bottom:14px}
    footer ul{list-style:none;padding:0;margin:0}
    footer li{margin:8px 0;color:#aeb5b8;font-size:13px}
    footer li a:hover{color:var(--green)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-light);margin-top:42px;padding-top:18px;color:#858e91;font-size:12px}
    .top:hover{color:var(--gold)}
    :focus-visible{outline:3px solid rgba(32,180,134,.55);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:15px}.brand{min-width:205px}.nav a{padding-left:8px;padding-right:8px;font-size:13px}
      .hero-layout{gap:35px}.timeline-card{grid-template-columns:100px 1fr}
      .timeline-card .card-link{grid-column:2}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .notice-inner{white-space:nowrap;overflow:hidden}.notice-inner span:last-child{display:none}
      .nav-wrap{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:14px}.brand-text small{display:none}
      .menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:10px 17px 17px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line-light)}
      .nav.open{display:flex}.nav a{padding:12px 10px}.nav a.active:after{left:10px;right:auto;width:28px;bottom:7px}.nav-download{margin:7px 0 0;text-align:center}
      .hero-layout,.version-feature,.faq-grid{grid-template-columns:1fr}.page-hero{padding:55px 0 48px}.hero-note{flex-wrap:wrap;gap:10px}.hero-note span{margin-right:10px;padding-right:10px}
      .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}h2{font-size:27px}
      .feature-aside{border-left:0;border-top:1px solid #424850}.updates-grid{grid-template-columns:repeat(2,1fr)}
      .download-cta{display:block;padding:30px}.download-cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .version-feature{margin-left:-1px;margin-right:-1px}.feature-copy,.feature-aside{padding:25px 22px}
      .timeline{padding-left:17px}.timeline-item{padding-left:18px}.timeline-item:before{left:-24px}
      .timeline-card{display:block;padding:19px}.timeline-card h3{margin-top:12px}.timeline-card .card-link{display:inline-block;margin-top:12px}
      .updates-grid{grid-template-columns:1fr}.copyright{display:block}.copyright .top{display:block;margin-top:12px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

/* roulang page: category5 */
:root{
            --ink:#17191f;
            --coal:#20242b;
            --coal-2:#2a3038;
            --paper:#f4f1e9;
            --paper-2:#ebe7dc;
            --white:#fffdf8;
            --muted:#8d949d;
            --muted-dark:#646b72;
            --line:rgba(23,25,31,.12);
            --line-light:rgba(255,255,255,.13);
            --green:#20b486;
            --green-deep:#138765;
            --gold:#c89545;
            --red:#d46f57;
            --radius:14px;
            --radius-lg:22px;
            --shadow:0 14px 35px rgba(23,25,31,.09);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
        .brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
        .brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
        .nav a:hover,.nav a.active{color:#fff}
        .nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
        .nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
        .nav-download:hover{background:#dbad63;transform:translateY(-1px)}
        .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
        .hero{background:var(--ink);color:var(--white);padding:72px 0 62px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 75%)}
        .hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:74px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
        .eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,4.5vw,55px);line-height:1.18;letter-spacing:-.04em;margin-bottom:20px;font-weight:900}
        h2{font-size:clamp(27px,3vw,36px);line-height:1.25;font-weight:900;letter-spacing:-.03em}
        .hero-copy{color:#b9c0c2;font-size:17px;max-width:570px;margin:23px 0 30px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
        .btn-primary{background:var(--green);color:#09241b}
        .btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
        .btn-ghost{border-color:#59616a;color:#e7e9e6}
        .btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-note{display:flex;gap:0;margin-top:42px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
        .hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
        .hero-note span:last-child{border:0}
        .download-card{background:#252a32;border:1px solid #404750;border-radius:20px;padding:29px;position:relative;box-shadow:20px 20px 0 rgba(200,149,69,.12)}
        .download-card:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(32,180,134,.35);right:-45px;top:-35px;transform:rotate(35deg)}
        .app-top{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
        .app-name{font-size:24px;font-weight:900}
        .version-badge{font-size:12px;color:var(--ink);background:var(--gold);padding:5px 10px;border-radius:5px;font-weight:900}
        .app-screen{height:190px;margin:25px 0;background:#30373e;border-radius:13px;padding:18px;display:flex;gap:13px;position:relative;overflow:hidden}
        .phone-shell{width:116px;border:4px solid #6b7378;border-radius:18px;background:#182126;padding:9px;box-shadow:8px 8px 0 rgba(0,0,0,.18)}
        .phone-bar{width:34px;height:4px;border-radius:5px;background:#747e82;margin:0 auto 13px}
        .phone-line{height:8px;background:var(--green);margin-bottom:10px;border-radius:3px}
        .phone-line.short{width:62%;background:var(--gold)}
        .phone-box{height:45px;background:#39454a;border-radius:6px;margin-top:13px}
        .screen-copy{padding:19px 8px;color:#dce2df}
        .screen-copy b{display:block;font-size:17px;margin-bottom:8px}
        .screen-copy span{color:#9ba7a8;font-size:12px}
        .app-info{display:grid;grid-template-columns:1fr 1fr;gap:10px}
        .info-box{background:#30363e;border-radius:9px;padding:11px 13px}
        .info-box small{display:block;color:#959da3;font-size:11px}
        .info-box strong{color:#f1f3ef;font-size:14px}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-kicker{color:var(--green-deep);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}
        .section-intro{color:var(--muted-dark);max-width:480px}
        .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .feature-card{background:var(--coal);color:#fffdf8;padding:34px;border-radius:var(--radius-lg);min-height:305px;position:relative;overflow:hidden}
        .feature-card:after{content:"APP";position:absolute;right:25px;bottom:-18px;font-size:104px;line-height:1;font-weight:900;color:rgba(255,255,255,.04)}
        .feature-card h3{font-size:27px;max-width:500px;margin:20px 0 12px;line-height:1.35}
        .feature-card p{color:#afb8ba;max-width:520px}
        .tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.14);color:var(--green-deep)}
        .feature-card .tag{color:#7de1bd;background:rgba(32,180,134,.2)}
        .feature-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
        .light-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);transition:.25s}
        .light-card:hover{transform:translateY(-3px);border-color:rgba(32,180,134,.55)}
        .light-card h3{font-size:20px;margin:12px 0 6px}
        .light-card p{color:var(--muted-dark);font-size:14px;margin-bottom:0}
        .number{color:var(--gold);font-size:25px;font-weight:900;line-height:1}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .step{border-top:3px solid var(--green);background:var(--white);padding:25px 23px;min-height:175px;box-shadow:var(--shadow)}
        .step-num{font-size:13px;color:var(--gold);font-weight:900;letter-spacing:.12em}
        .step h3{font-size:19px;margin:20px 0 7px}
        .step p{color:var(--muted-dark);font-size:14px;margin-bottom:0}
        .requirements{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .require-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .require-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px}
        .require-card h3{font-size:20px;margin-bottom:18px}
        .require-list{list-style:none;padding:0;margin:0}
        .require-list li{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted-dark)}
        .require-list li:last-child{border-bottom:0}
        .require-list strong{color:var(--ink);font-weight:800;text-align:right}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;align-items:start}
        .faq-intro p{color:var(--muted-dark);max-width:350px}
        .faq-list{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:18px 0}
        summary{cursor:pointer;list-style:none;font-weight:800;padding-right:25px;position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"＋";position:absolute;right:0;color:var(--green-deep);font-size:20px;top:-3px}
        details[open] summary:after{content:"−";color:var(--gold)}
        details p{color:var(--muted-dark);font-size:14px;margin:10px 25px 0 0}
        .cta{background:var(--coal);color:var(--white);padding:54px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta h2{margin-bottom:7px}
        .cta p{color:#aeb7b9;margin-bottom:0}
        footer{background:var(--ink);color:var(--white);padding:55px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:20px;font-weight:900}
        .footer-brand p{font-size:13px;color:#969da2;font-weight:400;max-width:300px;margin-top:14px}
        footer h3{font-size:14px;margin:0 0 15px;color:var(--gold)}
        footer ul{list-style:none;padding:0;margin:0}
        footer li{margin:8px 0;color:#aeb5b8;font-size:13px}
        footer li a{transition:.2s}
        footer li a:hover{color:var(--green)}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-light);padding-top:18px;margin-top:42px;color:#858d92;font-size:12px}
        .top{color:var(--gold)}
        .top:hover{color:var(--green)}
        .crumb{padding:22px 0 0;color:var(--muted-dark);font-size:13px}
        .crumb a:hover{color:var(--green-deep)}
        :focus-visible{outline:3px solid rgba(32,180,134,.45);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:205px}.nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .hero-grid{gap:38px}.feature-grid{grid-template-columns:1fr}.feature-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,var(--container))}
            .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:14px}.brand-text small{display:none}
            .menu-toggle{display:block}.nav{display:none;position:absolute;left:18px;right:18px;top:68px;background:var(--coal);padding:9px;flex-direction:column;align-items:stretch;border:1px solid var(--line-light);border-radius:0 0 12px 12px}
            .nav.open{display:flex}.nav a{padding:12px 14px}.nav a.active:after{left:14px;right:auto;width:24px;bottom:7px}.nav-download{margin:3px 0 0;text-align:center}
            .hero{padding:54px 0 45px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{font-size:16px}.hero-note{margin-top:30px;flex-wrap:wrap;row-gap:10px}
            .hero-note span{padding-right:12px;margin-right:12px}.download-card{box-shadow:10px 10px 0 rgba(200,149,69,.12)}
            .section{padding:60px 0}.section-head{display:block;margin-bottom:23px}.section-intro{margin-top:10px}
            .feature-side,.steps,.require-grid,.faq-grid{grid-template-columns:1fr}.feature-card{min-height:270px}.faq-grid{gap:30px}
            .cta-inner{display:block}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1.4fr 1fr;gap:30px}.copyright{display:block}.copyright .top{display:block;margin-top:10px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 32px)}h1{font-size:35px}.hero-actions .btn{width:100%}
            .app-screen{height:175px}.screen-copy{padding:11px 2px}.screen-copy b{font-size:15px}.phone-shell{width:100px}
            .app-info{grid-template-columns:1fr 1fr}.feature-card,.light-card,.require-card{padding:22px}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
        }

/* roulang page: category6 */
:root{
 --ink:#17191f;--coal:#20242b;--coal-2:#2a3038;--paper:#f4f1e9;--paper-2:#ebe7dc;
 --white:#fffdf8;--muted:#8d949d;--muted-dark:#646b72;--line:rgba(23,25,31,.12);
 --line-light:rgba(255,255,255,.13);--green:#20b486;--green-deep:#138765;
 --gold:#c89545;--red:#d46f57;--radius:14px;--radius-lg:22px;
 --shadow:0 14px 35px rgba(23,25,31,.09);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-light)}
.notice-bar{height:32px;background:#111318;color:#aeb5b6;font-size:12px;display:flex;align-items:center}
.notice-inner{display:flex;justify-content:space-between;gap:20px}
.notice-inner span:first-child{color:var(--gold)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:37px;height:37px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-weight:900;font-size:19px;transform:rotate(-8deg)}
.brand-text{font-weight:800;letter-spacing:.02em;font-size:16px;line-height:1.25}
.brand-text small{display:block;font-size:10px;color:#9fa6ad;font-weight:500;letter-spacing:.1em;margin-top:2px}
.nav{display:flex;align-items:center;gap:4px;flex:1}
.nav a{position:relative;padding:27px 12px 24px;color:#b9bec3;font-size:14px;transition:.25s}
.nav a:hover,.nav a.active{color:#fff}
.nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--green)}
.nav-download{background:var(--gold);color:var(--ink)!important;padding:10px 17px!important;border-radius:9px;font-weight:800;margin-left:auto;white-space:nowrap}
.nav-download:hover{background:#dbad63;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.hero{background:var(--ink);color:var(--white);padding:72px 0 62px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 75%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center}
.eyebrow,.section-kicker{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.12em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.eyebrow:before{content:"";width:24px;height:1px;background:var(--gold)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.5vw,54px);line-height:1.2;letter-spacing:-.04em;margin-bottom:20px}
.hero-copy{color:#b9c0c2;font-size:17px;max-width:600px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;font-weight:800;transition:.25s;border:1px solid transparent}
.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(32,180,134,.28);outline-offset:2px}
.btn-primary{background:var(--green);color:#09241b}
.btn-primary:hover{background:#2aca97;transform:translateY(-2px);box-shadow:0 8px 18px rgba(32,180,134,.22)}
.btn-ghost{border-color:#59616a;color:#e7e9e6}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.service-board{background:#252a32;border:1px solid #404750;border-radius:20px;padding:26px;box-shadow:20px 20px 0 rgba(200,149,69,.12)}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #444b53;padding-bottom:17px}
.board-title{font-size:18px;font-weight:800}
.board-state{color:#7de1bd;font-size:12px}
.board-main{margin:25px 0;background:linear-gradient(135deg,#283b38,#222a30 60%,#4e3e29);border-radius:13px;padding:23px;min-height:150px;position:relative;overflow:hidden}
.board-main:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(200,149,69,.45);right:-45px;top:-60px;transform:rotate(35deg)}
.board-main strong{display:block;color:var(--gold);font-size:12px;letter-spacing:.08em}
.board-main h2{font-size:25px;line-height:1.3;margin:22px 0 0;max-width:260px}
.board-rows{display:grid;gap:10px}
.board-row{display:flex;justify-content:space-between;padding:12px 14px;background:#30363e;border-radius:9px;color:#b7bec0;font-size:12px}
.board-row b{color:#f1f3ef;font-size:13px}
.hero-note{display:flex;margin-top:40px;border-top:1px solid var(--line-light);padding-top:17px;color:#90979b;font-size:12px}
.hero-note span{padding-right:23px;margin-right:23px;border-right:1px solid #454c54}
.hero-note span:last-child{border:0}
.section{padding:84px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-kicker{color:var(--green-deep);margin-bottom:8px}
.section-head h2{font-size:32px;line-height:1.25;margin-bottom:8px}
.section-intro{color:var(--muted-dark);max-width:480px}
.text-link{color:var(--green-deep);font-weight:800;white-space:nowrap}
.text-link:hover{color:var(--gold)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:214px;transition:.25s}
.info-card:hover{transform:translateY(-3px);border-color:rgba(32,180,134,.55);box-shadow:var(--shadow)}
.card-index{color:var(--gold);font-weight:900;font-size:13px;letter-spacing:.1em}
.info-card h3{font-size:20px;margin:18px 0 9px}
.info-card p{color:var(--muted-dark);font-size:14px;margin-bottom:17px}
.tag{display:inline-flex;width:max-content;padding:3px 9px;border-radius:5px;font-size:11px;font-weight:800;background:rgba(32,180,134,.13);color:var(--green-deep)}
.split-section{background:var(--paper-2)}
.record-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
.record-intro{background:var(--coal);color:var(--white);padding:31px;border-radius:var(--radius-lg);position:sticky;top:125px}
.record-intro h3{font-size:24px;line-height:1.3;margin:15px 0}
.record-intro p{color:#bbc0c1;font-size:14px}
.record-list{border-left:1px solid rgba(23,25,31,.18);padding-left:32px}
.record-item{position:relative;padding:0 0 30px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.record-item:last-child{border-bottom:0}
.record-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--green);left:-38px;top:8px;box-shadow:0 0 0 5px var(--paper-2)}
.record-meta{display:flex;gap:13px;align-items:center;color:var(--muted-dark);font-size:12px;margin-bottom:8px}
.record-item h3{font-size:19px;margin-bottom:7px}
.record-item p{color:var(--muted-dark);margin-bottom:0;font-size:14px}
.app-panel{background:var(--coal);color:var(--white);border-radius:var(--radius-lg);padding:38px;display:grid;grid-template-columns:1fr .8fr;gap:45px;align-items:center}
.app-panel h2{font-size:30px;line-height:1.3;margin:14px 0}
.app-panel p{color:#b9c0c2;max-width:530px}
.app-points{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 27px}
.app-point{border:1px solid #4c555b;border-radius:7px;padding:7px 11px;color:#d8ddda;font-size:12px}
.device-stack{height:240px;position:relative;display:flex;justify-content:center;align-items:center}
.device{width:143px;height:226px;border:6px solid #101318;border-radius:22px;background:#e6e1d5;padding:12px;box-shadow:0 15px 0 rgba(200,149,69,.2);transform:rotate(7deg)}
.device-bar{height:9px;width:45px;border-radius:4px;background:#30363e;margin:0 auto 17px}
.device-line{height:10px;background:#20b486;margin:12px 0;border-radius:2px}
.device-line.short{width:62%}
.device-card{height:48px;background:#fff;border:1px solid #d4d0c7;margin-top:14px;padding:8px}
.device-card i{display:block;width:75%;height:7px;background:#c4c8c4;margin-bottom:7px}
.qr-box{width:112px;height:112px;background:#f4f1e9;position:absolute;right:8%;bottom:0;border:8px solid #fff;display:grid;place-items:center;color:var(--ink);font-size:11px;text-align:center;line-height:1.3}
.faq-wrap{max-width:900px;margin:auto}
.faq-item{border-top:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;font-size:17px;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--green-deep);font-size:22px;line-height:1}
.faq-item[open] summary:after{content:"−";color:var(--gold)}
.faq-answer{color:var(--muted-dark);padding:12px 35px 0 0;font-size:14px}
.feedback-section{padding-top:20px}
.feedback-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:35px;display:grid;grid-template-columns:.75fr 1.25fr;gap:48px}
.feedback-box h2{font-size:29px;line-height:1.3}
.feedback-box p{color:var(--muted-dark)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:800}
.form-field em{color:var(--red);font-style:normal}
.form-field input,.form-field textarea{border:1px solid #c9c6bd;background:#fbfaf5;border-radius:8px;padding:11px 13px;color:var(--ink);transition:.2s}
.form-field textarea{min-height:105px;resize:vertical}
.form-field input:hover,.form-field textarea:hover{border-color:#9aa39e}
.form-note{font-size:12px;color:var(--muted);margin:13px 0 0}
footer{background:var(--ink);color:#dce0dc;padding:52px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:37px}
.footer-brand{font-weight:900;font-size:20px;color:var(--white)}
.footer-brand p{font-size:13px;color:#92999e;font-weight:400;max-width:300px;margin-top:13px}
footer h3{font-size:14px;color:var(--gold);margin-bottom:15px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:7px 0;color:#aeb5b7;font-size:13px}
footer li a{transition:.2s}
footer li a:hover{color:var(--green)}
.copyright{border-top:1px solid var(--line-light);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#81898e;font-size:12px}
.top{color:var(--gold)}
.top:hover{color:var(--green)}
@media(max-width:1024px){
 .nav-wrap{gap:15px}.brand{min-width:205px}.nav a{padding-left:8px;padding-right:8px;font-size:13px}
 .hero-grid{gap:35px}.record-layout{gap:28px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .notice-inner{white-space:nowrap;overflow:hidden}
 .nav-wrap{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:14px}.brand-text small{display:none}
 .menu-toggle{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--coal);padding:12px 18px;flex-direction:column;align-items:stretch;box-shadow:0 12px 20px rgba(0,0,0,.2)}
 .nav.open{display:flex}.nav a{padding:12px 10px}.nav a.active:after{left:10px;right:auto;width:32px;bottom:6px}.nav-download{margin:5px 0 0;text-align:center}
 .hero{padding:55px 0 48px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{font-size:16px}.hero-note{flex-wrap:wrap;row-gap:10px}.hero-note span{margin-right:14px;padding-right:14px}
 .section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-intro{margin-top:10px}.section-head .text-link{display:inline-block;margin-top:15px}
 .info-grid{grid-template-columns:1fr 1fr}.record-layout{grid-template-columns:1fr}.record-intro{position:static}.app-panel{grid-template-columns:1fr;gap:25px}.feedback-box{grid-template-columns:1fr;gap:25px}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.copyright{display:block}.copyright .top{display:block;margin-top:12px}
}
@media(max-width:520px){
 .container{width:calc(100% - 32px)}h1{font-size:34px}.hero-actions .btn{width:100%}
 .hero-panel,.app-panel,.feedback-box{padding:22px}.info-grid{grid-template-columns:1fr}.info-card{min-height:auto}
 .record-list{padding-left:24px}.record-item:before{left:-30px}.qr-box{right:0;transform:scale(.82);transform-origin:right bottom}
 .form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}
 .copyright{font-size:11px}.board-main h2{font-size:21px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}