/* roulang page: index */
:root{
  --ink:#15151b;
  --ink-2:#20202a;
  --ink-3:#2d2b39;
  --paper:#f5f5f0;
  --paper-2:#ecece6;
  --lime:#c9f44a;
  --lime-2:#e1ff82;
  --violet:#9b7cff;
  --violet-soft:#d9d0ff;
  --text:#f7f7f2;
  --muted:#a8a6b4;
  --dark-text:#282733;
  --dark-muted:#696777;
  --line:rgba(255,255,255,.12);
  --line-dark:#d9d9d3;
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 18px 48px rgba(18,18,26,.12);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--dark-text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(21,21,27,.96);border-bottom:1px solid rgba(255,255,255,.08)}
.navbar{height:76px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;min-width:230px;color:#fff;font-weight:800;letter-spacing:-.5px}
.logo-mark{width:32px;height:32px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:9px;font-size:17px;font-weight:900;transform:rotate(-8deg)}
.logo-text{font-size:15px;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:5px;flex:1}
.main-nav a{position:relative;color:#bdbbc5;font-size:14px;padding:26px 12px;transition:.2s ease}
.main-nav a:hover,.main-nav a.active{color:var(--lime)}
.main-nav a.active:after{content:"";position:absolute;bottom:15px;left:12px;right:12px;height:2px;background:var(--lime);border-radius:2px}
.nav-download{white-space:nowrap;padding:11px 17px;border-radius:9px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;transition:.2s ease}
.nav-download:hover{background:var(--lime-2);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.hero{background:var(--ink);color:var(--text);overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;width:550px;height:550px;border:1px solid rgba(201,244,74,.13);border-radius:50%;right:-150px;top:-230px}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,#000,transparent 80%);pointer-events:none}
.hero-inner{position:relative;z-index:1;min-height:575px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:70px;padding:72px 0 78px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;margin-bottom:20px}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(201,244,74,.12)}
.hero h1{font-size:clamp(34px,4.3vw,58px);line-height:1.14;letter-spacing:-2px;max-width:650px}
.hero h1 span{color:var(--lime)}
.hero-lead{color:#c1bfca;font-size:17px;max-width:580px;margin:24px 0 30px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:800;transition:.22s ease}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 9px 22px rgba(201,244,74,.2)}
.btn-secondary{border:1px solid rgba(255,255,255,.25);color:#fff}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn:focus-visible,.main-nav a:focus-visible,.faq-q:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
.app-stage{min-height:365px;display:flex;align-items:center;justify-content:center;position:relative}
.app-board{width:min(430px,100%);background:#292834;border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:25px;box-shadow:0 24px 70px rgba(0,0,0,.35);transform:rotate(2deg)}
.board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:22px;border-bottom:1px solid var(--line)}
.board-brand{font-size:18px;font-weight:800}.status{font-size:11px;color:var(--lime);display:flex;gap:6px;align-items:center}
.status i{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.board-screen{margin:23px 0;background:linear-gradient(145deg,#48425d,#22222c);border-radius:14px;min-height:165px;padding:22px;position:relative;overflow:hidden}
.board-screen:after{content:"C7";position:absolute;right:18px;bottom:-22px;font-size:150px;line-height:1;font-weight:900;color:rgba(201,244,74,.12)}
.screen-label{color:var(--violet-soft);font-size:12px}.screen-title{font-size:27px;font-weight:800;margin-top:9px}
.board-info{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.info-cell{background:#22222b;border-radius:9px;padding:12px}.info-cell small{display:block;color:var(--muted);font-size:11px}.info-cell strong{font-size:14px;color:#fff}
.board-button{display:block;text-align:center;background:var(--lime);color:var(--ink);border-radius:9px;padding:12px;font-weight:900;font-size:14px}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-kicker{font-size:12px;color:#7464c7;font-weight:900;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
.section h2{font-size:32px;line-height:1.25;letter-spacing:-1px}
.section-intro{color:var(--dark-muted);max-width:500px;font-size:15px}
.quick-strip{background:var(--ink-2);color:#fff;padding:21px 0}
.quick-grid{display:grid;grid-template-columns:1.2fr repeat(4,1fr);align-items:center;gap:15px}
.quick-lead{display:flex;align-items:center;gap:15px}.quick-lead strong{font-size:16px}.quick-lead span{color:var(--muted);font-size:12px}
.quick-item{border-left:1px solid var(--line);padding-left:18px;color:#ddd;font-size:13px;transition:.2s}
.quick-item:hover{color:var(--lime)}.quick-item b{display:block;color:#fff;font-size:14px}.quick-item small{color:var(--muted)}
.steps-area{background:#e8e8e2}
.steps-layout{display:grid;grid-template-columns:1fr 1.08fr;gap:70px;align-items:center}
.step-list{margin-top:27px;border-top:1px solid var(--line-dark)}
.step{display:grid;grid-template-columns:42px 1fr;gap:17px;padding:20px 0;border-bottom:1px solid var(--line-dark)}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:13px}
.step h3{font-size:17px;margin-bottom:4px}.step p{font-size:14px;color:var(--dark-muted)}
.download-panel{background:var(--ink);color:#fff;border-radius:20px;padding:35px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.download-panel:before{content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;border:1px solid rgba(201,244,74,.2);border-radius:50%}
.panel-label{color:var(--lime);font-size:12px;font-weight:800}.download-panel h3{font-size:27px;margin:10px 0 10px;position:relative}.download-panel p{color:var(--muted);font-size:14px;max-width:390px}
.panel-row{display:flex;gap:16px;align-items:center;margin-top:27px;position:relative}
.qr{width:102px;height:102px;border-radius:10px;background-color:#fff;background-image:linear-gradient(45deg,#222 25%,transparent 25%,transparent 75%,#222 75%),linear-gradient(45deg,#222 25%,transparent 25%,transparent 75%,#222 75%);background-size:14px 14px;background-position:0 0,7px 7px}
.panel-notice{font-size:12px;color:#aaa;line-height:1.8}.panel-notice b{color:#fff;display:block;font-size:14px}
.news-section{background:var(--paper)}
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.feature-news{background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;min-height:315px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.feature-news:after{content:"资讯";position:absolute;right:-10px;bottom:-35px;font-size:130px;font-weight:900;color:rgba(255,255,255,.04)}
.badge{display:inline-flex;width:max-content;padding:5px 10px;border-radius:5px;background:rgba(201,244,74,.15);color:var(--lime);font-size:12px;font-weight:800}
.feature-news h3{font-size:27px;max-width:500px;line-height:1.4;margin-top:25px;position:relative;z-index:1}
.feature-news p{color:#aaa8b4;font-size:14px;max-width:520px;position:relative;z-index:1}
.feature-news a{color:var(--lime);font-size:13px;font-weight:800}
.news-list{display:flex;flex-direction:column;gap:10px}
.news-item{display:grid;grid-template-columns:84px 1fr;gap:17px;background:#fff;border:1px solid var(--line-dark);border-radius:12px;padding:17px;transition:.2s}
.news-item:hover{border-color:#b5a8f4;transform:translateX(3px);box-shadow:0 8px 22px rgba(30,25,60,.06)}
.news-date{color:#8472dc;font-size:12px;font-weight:800;padding-top:3px}.news-content h3{font-size:15px;line-height:1.45;margin-bottom:4px}.news-content p{font-size:12px;color:var(--dark-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-meta{font-size:11px;color:#9897a1;margin-top:8px}
.empty-state{padding:34px;border:1px dashed #c4c3bd;border-radius:12px;color:var(--dark-muted);text-align:center;background:#fff}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.feature-visual{background:var(--ink-3);border-radius:var(--radius);min-height:390px;padding:30px;color:#fff;position:relative;overflow:hidden}
.feature-visual h3{font-size:24px;max-width:300px}.feature-visual p{color:#c0bdca;font-size:14px;max-width:300px;margin-top:12px}
.visual-lines{position:absolute;right:35px;bottom:35px;width:190px;height:240px;border:1px solid rgba(201,244,74,.45);border-radius:18px;padding:15px}
.visual-lines span{display:block;height:10px;background:rgba(255,255,255,.13);border-radius:5px;margin-bottom:12px}.visual-lines span:first-child{height:76px;background:rgba(201,244,74,.25)}
.feature-points{display:grid;grid-template-rows:repeat(3,1fr);gap:12px}
.point{background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:23px}.point strong{font-size:17px;display:block;margin-bottom:5px}.point p{font-size:13px;color:var(--dark-muted)}
.topic-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:25px}.topic{padding:8px 14px;border:1px solid var(--line-dark);border-radius:30px;color:var(--dark-muted);font-size:13px}.topic.active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.faq-section{background:#eeeee9}.faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line-dark)}
.faq-item{border-bottom:1px solid var(--line-dark)}.faq-q{width:100%;padding:21px 4px;background:none;display:flex;justify-content:space-between;text-align:left;font-weight:800;color:var(--dark-text);font-size:16px}.faq-q span{color:#8875dd;font-size:22px;font-weight:400}.faq-a{padding:0 35px 21px 4px;color:var(--dark-muted);font-size:14px}
.cta{padding:70px 0;background:var(--lime)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:32px;letter-spacing:-1px}.cta p{margin-top:8px;color:#4d5a24;font-size:14px}.cta .btn-primary{background:var(--ink);color:var(--lime)}.cta .btn-primary:hover{background:#302f3a}
.site-footer{background:var(--ink);color:#fff;padding:60px 0 24px}.footer-main{display:grid;grid-template-columns:1.5fr repeat(2,1fr) 1fr;gap:40px;padding-bottom:45px}.footer-brand p{color:var(--muted);font-size:13px;max-width:280px;margin-top:15px}.footer-title{font-size:13px;font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:9px}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--lime)}.footer-download{border:1px solid var(--line);border-radius:12px;padding:17px}.footer-download p{color:var(--muted);font-size:12px;margin:7px 0 13px}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;color:#777581;font-size:12px;display:flex;justify-content:space-between;gap:15px}.footer-bottom a:hover{color:var(--lime)}
@media(max-width:1024px){.navbar{gap:12px}.logo{min-width:205px}.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.main-nav a.active:after{left:7px;right:7px}.hero-inner{gap:35px}.quick-grid{grid-template-columns:1fr repeat(2,1fr)}.quick-lead{grid-column:1/-1}.quick-item:nth-child(3){border-left:0}.footer-main{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:767px){.container{width:min(100% - 32px,600px)}.navbar{height:66px}.logo{min-width:0;flex:1}.logo-text{font-size:13px;max-width:210px}.nav-download{display:none}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--ink);padding:12px 16px 20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.main-nav a{padding:13px 12px}.main-nav a.active:after{display:none}.hero-inner{display:flex;flex-direction:column;align-items:stretch;padding:55px 0 60px;min-height:0}.hero h1{font-size:36px;letter-spacing:-1.3px}.hero-lead{font-size:15px}.app-stage{min-height:290px}.app-board{transform:none}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section h2{font-size:27px}.section-intro{margin-top:10px}.quick-grid{grid-template-columns:1fr 1fr}.quick-lead{grid-column:1/-1}.quick-item{padding:12px 8px}.steps-layout,.news-layout,.feature-grid{grid-template-columns:1fr;gap:25px}.download-panel{padding:25px}.feature-visual{min-height:310px}.footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.cta-inner{display:block}.cta .actions{margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
@media(max-width:520px){.hero h1{font-size:30px}.actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.board-info{grid-template-columns:1fr 1fr}.panel-row{align-items:flex-start}.qr{width:86px;height:86px}.news-item{grid-template-columns:1fr;gap:4px}.news-date{padding-top:0}.feature-visual{padding:24px}.visual-lines{right:18px;bottom:20px;transform:scale(.82);transform-origin:bottom right}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.cta h2{font-size:27px}}

/* roulang page: index */
:root{
            --ink:#17151d;
            --ink-2:#25212e;
            --ink-3:#332d40;
            --paper:#f6f5f2;
            --white:#fff;
            --lime:#c8f33c;
            --lime-2:#e2ff78;
            --violet:#9b7bff;
            --violet-soft:#e9e3ff;
            --muted:#77727f;
            --muted-dark:#bdb7c8;
            --line:#e4e0e7;
            --line-dark:rgba(255,255,255,.14);
            --orange:#f19a5b;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 55px rgba(28,23,38,.09);
            --shadow-dark:0 22px 70px rgba(0,0,0,.28);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            line-height:1.65;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        .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:50;
            border-bottom:1px solid var(--line-dark);
        }
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:252px}
        .brand-mark{
            width:34px;height:34px;border-radius:10px;background:var(--lime);
            display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:17px;
            transform:rotate(-7deg)
        }
        .brand-text{font-size:16px;font-weight:800;letter-spacing:-.4px;line-height:1.2}
        .brand-text small{display:block;color:var(--muted-dark);font-size:10px;font-weight:500;letter-spacing:1px;margin-top:3px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{
            color:#d5d0dc;font-size:14px;padding:10px 12px;border-radius:9px;
            transition:.2s ease;white-space:nowrap
        }
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(200,243,60,.08)}
        .nav a.active{position:relative}
        .nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--lime);border-radius:4px}
        .nav-cta,.btn-primary{
            background:var(--lime);color:var(--ink);font-weight:800;border-radius:11px;
            padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
            transition:.2s ease;box-shadow:0 8px 24px rgba(200,243,60,.12)
        }
        .nav-cta:hover,.btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 12px 30px rgba(200,243,60,.2)}
        .nav-cta:active,.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
        .menu-toggle{display:none;background:transparent;color:white;font-size:25px;padding:7px}
        .hero{
            background:var(--ink);color:var(--white);overflow:hidden;position:relative;
            padding:92px 0 74px
        }
        .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(155,123,255,.25);border-radius:50%;pointer-events:none}
        .hero:before{width:520px;height:520px;right:-190px;top:-170px}
        .hero:after{width:300px;height:300px;left:-170px;bottom:-210px}
        .hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;
            font-weight:800;letter-spacing:1.5px;text-transform:uppercase
        }
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
        h1{font-size:clamp(36px,4.2vw,56px);line-height:1.14;letter-spacing:-2.5px;margin:20px 0 22px;max-width:700px}
        .hero-copy{color:#c8c2d1;font-size:17px;max-width:610px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 36px}
        .btn-secondary{
            border:1px solid rgba(255,255,255,.28);color:white;border-radius:11px;padding:11px 18px;
            display:inline-flex;align-items:center;justify-content:center;transition:.2s ease;font-weight:700
        }
        .btn-secondary:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,243,60,.06)}
        .hero-notes{display:flex;gap:24px;flex-wrap:wrap;color:#a9a2b4;font-size:12px}
        .hero-notes strong{display:block;color:white;font-size:14px;margin-bottom:2px}
        .download-stage{
            min-height:370px;border:1px solid rgba(255,255,255,.16);border-radius:24px;
            background:#211d2b;box-shadow:var(--shadow-dark);padding:25px;position:relative
        }
        .stage-top{display:flex;justify-content:space-between;align-items:center;color:#c8c2d1;font-size:12px}
        .live-dot{width:8px;height:8px;background:var(--lime);border-radius:50%;display:inline-block;margin-right:7px}
        .stage-content{display:grid;grid-template-columns:155px 1fr;gap:25px;align-items:center;margin-top:35px}
        .phone{
            height:246px;border:7px solid #0e0c12;border-radius:26px;background:#f1efe9;
            box-shadow:0 10px 35px rgba(0,0,0,.35);padding:15px 11px;color:var(--ink);position:relative
        }
        .phone:before{content:"";display:block;width:50px;height:5px;border-radius:5px;background:#24202b;margin:0 auto 18px}
        .phone-logo{font-size:24px;font-weight:900;letter-spacing:-2px;margin:9px 0 17px}
        .phone-line{height:9px;background:#d7d2dc;border-radius:4px;margin:9px 0;width:78%}
        .phone-line.short{width:50%}
        .phone-box{height:58px;border-radius:10px;background:var(--violet-soft);margin-top:14px}
        .stage-info h2{font-size:24px;line-height:1.3;margin-bottom:9px}
        .stage-info p{color:#aaa4b3;font-size:13px;margin-bottom:22px}
        .stage-link{font-size:13px;color:var(--lime);font-weight:700}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:32px}
        .section-kicker{color:#7659d8;letter-spacing:1px}
        .section-title{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-top:10px}
        .section-intro{max-width:500px;color:var(--muted);font-size:15px}
        .quick-strip{
            margin-top:-1px;background:var(--white);border-bottom:1px solid var(--line);
            display:grid;grid-template-columns:repeat(4,1fr)
        }
        .quick-item{padding:25px 24px;border-right:1px solid var(--line);transition:.2s}
        .quick-item:last-child{border-right:0}
        .quick-item:hover{background:#fbfaed}
        .quick-icon{color:#7559d4;font-size:19px;font-weight:900;margin-bottom:8px}
        .quick-item h3{font-size:16px;margin-bottom:3px}
        .quick-item p{font-size:12px;color:var(--muted)}
        .quick-item .arrow{float:right;color:var(--muted);font-size:18px}
        .steps-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
        .step-list{border-left:1px solid #d5cfdd;margin-top:26px}
        .step{position:relative;padding:0 0 27px 28px}
        .step:last-child{padding-bottom:0}
        .step:before{content:"";position:absolute;left:-7px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--paper);border:3px solid var(--violet)}
        .step strong{display:block;font-size:17px;margin-bottom:5px}
        .step p{font-size:14px;color:var(--muted);max-width:330px}
        .app-panel{background:var(--ink-2);border-radius:22px;color:white;padding:34px;display:grid;grid-template-columns:1fr .8fr;gap:30px;min-height:310px;overflow:hidden;position:relative}
        .app-panel:after{content:"C7";position:absolute;right:-10px;bottom:-43px;font-size:190px;font-weight:900;color:rgba(155,123,255,.08);line-height:1}
        .app-panel h3{font-size:25px;margin:25px 0 10px;position:relative;z-index:1}
        .app-panel p{color:#bbb4c6;font-size:14px;position:relative;z-index:1}
        .qr-card{align-self:center;justify-self:end;background:white;color:var(--ink);padding:15px;border-radius:14px;text-align:center;position:relative;z-index:1}
        .qr{width:112px;height:112px;background:repeating-linear-gradient(45deg,#17151d 0 4px,#fff 4px 8px);margin-bottom:9px}
        .qr-card span{font-size:11px;color:var(--muted)}
        .news-section{background:#eeece8}
        .news-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .news-feature,.news-row{background:white;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
        .news-feature{padding:30px;min-height:270px;display:flex;flex-direction:column;justify-content:space-between}
        .news-feature:hover,.news-row:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .tag{display:inline-flex;width:max-content;background:var(--violet-soft);color:#694cc7;padding:5px 9px;border-radius:6px;font-size:11px;font-weight:800}
        .news-feature h3{font-size:24px;line-height:1.35;margin:22px 0 10px}
        .news-feature p,.news-row p{color:var(--muted);font-size:14px}
        .news-meta{color:#938d99;font-size:12px;display:flex;justify-content:space-between;gap:10px}
        .news-list{display:flex;flex-direction:column;gap:12px}
        .news-row{padding:19px 21px;display:grid;grid-template-columns:82px 1fr;gap:18px;align-items:center}
        .news-date{font-size:12px;color:#7659d8;font-weight:800;border-right:1px solid var(--line);line-height:1.4}
        .news-row h3{font-size:16px;line-height:1.45;margin-bottom:4px}
        .news-row h3 a:hover,.text-link:hover{color:#7659d8}
        .empty-state{color:var(--muted);background:white;border:1px dashed #cfc8d8;border-radius:12px;padding:18px;text-align:center}
        .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
        .feature-visual{min-height:330px;background:var(--violet-soft);border-radius:22px;padding:32px;position:relative;overflow:hidden}
        .feature-visual:after{content:"C7C7";position:absolute;right:-14px;bottom:-25px;color:rgba(118,89,216,.13);font-size:100px;font-weight:900;letter-spacing:-8px}
        .visual-label{font-size:12px;font-weight:800;color:#7355d2}
        .visual-title{font-size:32px;font-weight:800;line-height:1.2;max-width:330px;margin-top:28px}
        .visual-lines{position:absolute;left:32px;bottom:33px;display:flex;gap:8px;align-items:end}
        .visual-lines i{display:block;width:13px;background:#8c70e6;border-radius:5px 5px 0 0}
        .visual-lines i:nth-child(1){height:45px}.visual-lines i:nth-child(2){height:78px}.visual-lines i:nth-child(3){height:58px}.visual-lines i:nth-child(4){height:102px}
        .feature-copy{display:grid;gap:12px}
        .mini-card{border:1px solid var(--line);background:white;border-radius:15px;padding:21px}
        .mini-card h3{font-size:17px;margin-bottom:5px}
        .mini-card p{font-size:13px;color:var(--muted)}
        .mini-card em{font-style:normal;color:#7659d8;font-size:22px;font-weight:900;float:right}
        .faq-wrap{max-width:860px;margin:0 auto}
        .faq{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-q{width:100%;background:transparent;text-align:left;padding:21px 4px;display:flex;justify-content:space-between;gap:20px;font-weight:800;font-size:16px;color:var(--ink)}
        .faq-q span{color:#7659d8;font-size:22px;line-height:1;transition:.2s}
        .faq-a{color:var(--muted);font-size:14px;padding:0 42px 21px 4px}
        .faq-item:not(.open) .faq-a{display:none}
        .faq-item.open .faq-q span{transform:rotate(45deg)}
        .cta{
            background:var(--lime);border-radius:22px;padding:42px 48px;display:flex;justify-content:space-between;
            align-items:center;gap:25px;overflow:hidden;position:relative
        }
        .cta:after{content:"C7";font-size:170px;line-height:.8;position:absolute;right:8%;bottom:-40px;color:rgba(23,21,29,.07);font-weight:900}
        .cta h2{font-size:30px;line-height:1.25;position:relative;z-index:1}
        .cta p{font-size:14px;margin-top:7px;position:relative;z-index:1}
        .cta .btn-dark{background:var(--ink);color:white;border-radius:11px;padding:14px 21px;font-weight:800;position:relative;z-index:2;white-space:nowrap}
        .cta .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
        .site-footer{background:var(--ink);color:white;padding:55px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:45px;padding-bottom:45px}
        .footer-brand p{color:#aaa3b4;font-size:13px;max-width:290px;margin-top:15px}
        .footer-col h3{font-size:14px;margin-bottom:15px;color:#fff}
        .footer-col a{display:block;color:#aaa3b4;font-size:13px;margin:9px 0;transition:.2s}
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{border-top:1px solid var(--line-dark);padding-top:19px;color:#898291;font-size:12px;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:1024px){
            .brand{min-width:220px}.nav{gap:0}.nav a{padding-left:8px;padding-right:8px;font-size:13px}.nav-cta{padding:10px 13px}
            .hero-grid{gap:38px}.steps-layout{gap:35px}.footer-grid{gap:25px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,var(--container))}
            .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}
            .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 17px 18px;border-top:1px solid var(--line-dark);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:13px 12px}.nav-cta{display:none}
            .hero{padding:62px 0 55px}.hero-grid,.steps-layout,.news-layout,.feature-grid{grid-template-columns:1fr}
            h1{font-size:38px;letter-spacing:-1.7px}.hero-copy{font-size:15px}.download-stage{min-height:320px}
            .quick-strip{grid-template-columns:1fr 1fr}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
            .app-panel{grid-template-columns:1fr;min-height:0}.qr-card{justify-self:start}.feature-visual{min-height:260px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}
            .cta{display:block;padding:32px 25px}.cta h2{font-size:26px;margin-bottom:22px}
        }
        @media(max-width:520px){
            .brand-text{font-size:13px;max-width:175px}.brand-mark{width:30px;height:30px}
            h1{font-size:31px}.hero-actions{display:grid;grid-template-columns:1fr;margin-top:25px}
            .btn-primary,.btn-secondary{min-height:46px}.stage-content{grid-template-columns:112px 1fr;gap:15px;margin-top:25px}
            .phone{height:210px;padding:10px 8px}.phone-logo{font-size:19px}.phone-box{height:45px}
            .stage-info h2{font-size:18px}.stage-info p{font-size:12px}
            .quick-item{padding:18px 15px}.quick-item h3{font-size:14px}.quick-item p{font-size:11px}
            .news-row{grid-template-columns:65px 1fr;gap:12px;padding:16px}.news-feature{padding:22px}.news-feature h3{font-size:20px}
            .app-panel{padding:24px}.visual-title{font-size:26px}.footer-grid{grid-template-columns:1fr 1fr}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
        }

/* roulang page: category1 */
:root{
            --ink:#15151b;
            --ink-2:#20202a;
            --ink-3:#2d2b39;
            --paper:#f5f5f0;
            --paper-2:#ecece6;
            --white:#fff;
            --lime:#c9f44a;
            --lime-2:#e1ff82;
            --violet:#9b7cff;
            --violet-soft:#d9d0ff;
            --text:#f7f7f2;
            --muted:#a8a6b4;
            --dark-text:#282733;
            --dark-muted:#696777;
            --line:rgba(255,255,255,.12);
            --line-dark:#d9d9d3;
            --orange:#f19a5b;
            --radius:16px;
            --radius-sm:11px;
            --shadow:0 18px 48px rgba(18,18,26,.12);
            --shadow-dark:0 22px 70px rgba(0,0,0,.28);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--dark-text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;
            top:0;
            z-index:30;
            background:rgba(21,21,27,.97);
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .navbar{
            min-height:76px;
            display:flex;
            align-items:center;
            gap:25px;
        }
        .brand{
            display:flex;
            align-items:center;
            gap:10px;
            min-width:260px;
            color:#fff;
            font-weight:800;
        }
        .brand-mark{
            width:34px;
            height:34px;
            display:grid;
            place-items:center;
            flex:none;
            color:var(--ink);
            background:var(--lime);
            border-radius:9px;
            font-size:17px;
            font-weight:900;
            transform:rotate(-8deg);
        }
        .brand-text{
            font-size:14px;
            line-height:1.25;
            letter-spacing:-.2px;
        }
        .brand-text small{
            display:block;
            margin-top:3px;
            color:#9996a5;
            font-size:10px;
            font-weight:500;
            letter-spacing:.2px;
        }
        .nav{
            display:flex;
            align-items:center;
            justify-content:flex-end;
            gap:3px;
            flex:1;
        }
        .nav a{
            position:relative;
            color:#bdbbc5;
            font-size:13px;
            padding:25px 10px;
            transition:.2s ease;
            white-space:nowrap;
        }
        .nav a:hover,.nav a.active{color:var(--lime)}
        .nav a.active:after{
            content:"";
            position:absolute;
            left:10px;
            right:10px;
            bottom:14px;
            height:2px;
            border-radius:3px;
            background:var(--lime);
        }
        .nav-download{
            flex:none;
            padding:11px 16px;
            border-radius:9px;
            color:var(--ink);
            background:var(--lime);
            font-size:13px;
            font-weight:800;
            transition:.2s ease;
        }
        .nav-download:hover{background:var(--lime-2);transform:translateY(-2px)}
        .menu-toggle{
            display:none;
            color:#fff;
            background:transparent;
            font-size:25px;
        }
        .page-hero{
            position:relative;
            overflow:hidden;
            color:var(--text);
            background:var(--ink);
            padding:70px 0 78px;
        }
        .page-hero:before{
            content:"";
            position:absolute;
            width:620px;
            height:620px;
            right:-230px;
            top:-280px;
            border:1px solid rgba(201,244,74,.15);
            border-radius:50%;
        }
        .page-hero:after{
            content:"";
            position:absolute;
            inset:0;
            pointer-events:none;
            opacity:.45;
            background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
            background-size:52px 52px;
        }
        .hero-content{position:relative;z-index:1;max-width:780px}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:9px;
            margin-bottom:16px;
            color:var(--lime);
            font-size:13px;
            font-weight:800;
            letter-spacing:.4px;
        }
        .eyebrow:before{
            content:"";
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--lime);
            box-shadow:0 0 0 5px rgba(201,244,74,.12);
        }
        h1,h2,h3,p{margin-top:0}
        .page-hero h1{
            max-width:760px;
            margin-bottom:20px;
            font-size:clamp(35px,5vw,60px);
            line-height:1.15;
            letter-spacing:-2px;
        }
        .page-hero h1 span{color:var(--lime)}
        .hero-lead{
            max-width:680px;
            margin-bottom:29px;
            color:#c4c1cc;
            font-size:17px;
        }
        .button-row{display:flex;flex-wrap:wrap;gap:12px}
        .btn{
            min-height:48px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:9px;
            padding:12px 21px;
            border-radius:10px;
            font-size:14px;
            font-weight:800;
            transition:.22s ease;
        }
        .btn-primary{color:var(--ink);background:var(--lime)}
        .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 9px 22px rgba(201,244,74,.2)}
        .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.27)}
        .btn-secondary:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
        .btn-dark{color:#fff;background:var(--ink-2)}
        .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
        .btn:focus-visible,.nav a:focus-visible,.faq-question:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
        .hero-meta{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            margin-top:38px;
        }
        .meta-chip{
            padding:8px 12px;
            color:#d2cfda;
            border:1px solid rgba(255,255,255,.13);
            border-radius:8px;
            background:rgba(255,255,255,.04);
            font-size:12px;
        }
        .meta-chip b{margin-right:5px;color:var(--lime)}
        .section{padding:84px 0}
        .section-alt{background:var(--paper-2)}
        .section-head{
            display:flex;
            align-items:end;
            justify-content:space-between;
            gap:25px;
            margin-bottom:34px;
        }
        .section-kicker{
            margin-bottom:8px;
            color:#7464c7;
            font-size:12px;
            font-weight:900;
            letter-spacing:1.4px;
        }
        .section h2{
            margin-bottom:0;
            color:var(--dark-text);
            font-size:clamp(26px,3vw,35px);
            line-height:1.25;
            letter-spacing:-1px;
        }
        .section-intro{
            max-width:520px;
            margin-bottom:0;
            color:var(--dark-muted);
            font-size:15px;
        }
        .download-layout{
            display:grid;
            grid-template-columns:1.15fr .85fr;
            gap:22px;
            align-items:stretch;
        }
        .download-console{
            padding:35px;
            color:#fff;
            border-radius:var(--radius);
            background:var(--ink);
            box-shadow:var(--shadow-dark);
        }
        .console-top{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:15px;
            padding-bottom:22px;
            border-bottom:1px solid var(--line);
        }
        .console-label{color:#a8a6b4;font-size:12px}
        .status{
            display:inline-flex;
            align-items:center;
            gap:7px;
            color:var(--lime);
            font-size:12px;
            font-weight:800;
        }
        .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}
        .download-console h3{margin:27px 0 12px;font-size:29px;line-height:1.3}
        .download-console p{max-width:540px;color:#b8b5c0;font-size:14px}
        .console-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
        .info-table{
            margin-top:30px;
            border-top:1px solid var(--line);
        }
        .info-row{
            display:flex;
            justify-content:space-between;
            gap:15px;
            padding:13px 0;
            color:#aaa7b3;
            border-bottom:1px solid var(--line);
            font-size:13px;
        }
        .info-row strong{color:#f4f3ef;font-weight:700;text-align:right}
        .qr-panel{
            display:flex;
            flex-direction:column;
            justify-content:space-between;
            padding:31px;
            border:1px solid var(--line-dark);
            border-radius:var(--radius);
            background:#fff;
            box-shadow:var(--shadow);
        }
        .qr-panel h3{margin-bottom:9px;font-size:22px}
        .qr-panel p{color:var(--dark-muted);font-size:14px}
        .qr-box{
            width:148px;
            height:148px;
            display:grid;
            place-items:center;
            margin:20px 0;
            color:#817c8d;
            border:1px dashed #bcb8c2;
            border-radius:12px;
            background:repeating-linear-gradient(45deg,#f0eff0,#f0eff0 5px,#fafafa 5px,#fafafa 10px);
            font-size:12px;
            text-align:center;
        }
        .qr-note{margin-bottom:0;color:var(--dark-muted);font-size:12px}
        .steps-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:16px;
        }
        .step-card{
            position:relative;
            min-height:205px;
            padding:27px;
            border:1px solid #deddd8;
            border-radius:var(--radius);
            background:#fff;
            transition:.22s ease;
        }
        .step-card:hover{transform:translateY(-4px);border-color:#c4b9ee;box-shadow:var(--shadow)}
        .step-number{
            display:grid;
            place-items:center;
            width:38px;
            height:38px;
            margin-bottom:23px;
            color:var(--ink);
            border-radius:10px;
            background:var(--lime);
            font-size:16px;
            font-weight:900;
        }
        .step-card h3{margin-bottom:8px;font-size:18px}
        .step-card p{margin-bottom:0;color:var(--dark-muted);font-size:14px}
        .note-strip{
            display:flex;
            align-items:center;
            gap:15px;
            margin-top:20px;
            padding:17px 20px;
            color:#5f4e9e;
            border:1px solid #d8d0f4;
            border-radius:var(--radius-sm);
            background:var(--violet-soft);
            font-size:13px;
        }
        .note-strip strong{color:#44377c}
        .feature-grid{
            display:grid;
            grid-template-columns:1.25fr .75fr;
            gap:22px;
        }
        .feature-card{
            min-height:270px;
            padding:32px;
            color:#fff;
            border-radius:var(--radius);
            background:var(--ink-2);
            overflow:hidden;
            position:relative;
        }
        .feature-card:after{
            content:"C7";
            position:absolute;
            right:20px;
            bottom:-44px;
            color:rgba(255,255,255,.045);
            font-size:150px;
            line-height:1;
            font-weight:900;
        }
        .badge{
            display:inline-flex;
            width:max-content;
            padding:5px 10px;
            border-radius:5px;
            color:var(--lime);
            background:rgba(201,244,74,.14);
            font-size:12px;
            font-weight:800;
        }
        .feature-card h3{position:relative;z-index:1;margin:27px 0 10px;font-size:26px}
        .feature-card p{position:relative;z-index:1;max-width:550px;margin-bottom:25px;color:#b9b6c1;font-size:14px}
        .side-list{display:grid;gap:12px}
        .side-item{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:15px;
            padding:19px 20px;
            border:1px solid var(--line-dark);
            border-radius:var(--radius-sm);
            background:#fff;
            transition:.2s ease;
        }
        .side-item:hover{border-color:#b9aef0;transform:translateX(3px)}
        .side-item strong{display:block;font-size:15px}
        .side-item small{color:var(--dark-muted);font-size:12px}
        .arrow{color:#7865c9;font-size:20px}
        .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line-dark)}
        .faq-item{border-bottom:1px solid var(--line-dark)}
        .faq-question{
            width:100%;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
            padding:22px 3px;
            color:var(--dark-text);
            background:transparent;
            text-align:left;
            font-size:16px;
            font-weight:800;
        }
        .faq-icon{
            flex:none;
            color:#7561c5;
            font-size:23px;
            font-weight:400;
            transition:.2s ease;
        }
        .faq-answer{
            display:none;
            max-width:760px;
            padding:0 42px 22px 3px;
            color:var(--dark-muted);
            font-size:14px;
        }
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--lime)}
        .cta{
            padding:68px 0;
            color:#fff;
            background:var(--ink-2);
        }
        .cta-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:35px;
        }
        .cta h2{margin-bottom:10px;color:#fff;font-size:32px}
        .cta p{max-width:650px;margin-bottom:0;color:#b5b2be;font-size:14px}
        .site-footer{padding:56px 0 22px;color:#aaa7b3;background:var(--ink)}
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr repeat(3,1fr);
            gap:38px;
            padding-bottom:42px;
        }
        .footer-brand .brand{min-width:0;margin-bottom:18px}
        .footer-brand p{max-width:320px;margin:0;color:#918e9d;font-size:13px}
        .footer-col h3{margin:4px 0 16px;color:#fff;font-size:14px}
        .footer-col a{display:block;width:max-content;margin:9px 0;color:#9996a5;font-size:13px;transition:.2s}
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            gap:20px;
            padding-top:20px;
            color:#777481;
            border-top:1px solid var(--line);
            font-size:11px;
        }
        @media(max-width:1050px){
            .navbar{gap:12px}
            .brand{min-width:220px}
            .nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .nav a.active:after{left:7px;right:7px}
            .download-layout,.feature-grid{grid-template-columns:1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .navbar{min-height:68px}
            .brand{min-width:0;flex:1}
            .brand-text{font-size:12px}
            .brand-text small{font-size:9px}
            .nav-download{display:none}
            .menu-toggle{display:block}
            .nav{
                display:none;
                position:absolute;
                top:68px;
                left:0;
                right:0;
                align-items:stretch;
                flex-direction:column;
                padding:12px 16px 18px;
                background:var(--ink);
                border-top:1px solid rgba(255,255,255,.08);
                box-shadow:0 15px 35px rgba(0,0,0,.25);
            }
            .nav.show{display:flex}
            .nav a{padding:13px 10px;font-size:14px}
            .nav a.active:after{left:0;right:auto;bottom:6px;width:28px}
            .page-hero{padding:53px 0 58px}
            .page-hero h1{font-size:36px;letter-spacing:-1px}
            .hero-lead{font-size:15px}
            .section{padding:57px 0}
            .section-head{display:block;margin-bottom:24px}
            .section-intro{margin-top:13px}
            .download-console,.qr-panel,.feature-card{padding:24px}
            .steps-grid{grid-template-columns:1fr}
            .step-card{min-height:auto}
            .cta-inner{display:block}
            .cta h2{font-size:27px}
            .cta .button-row{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .button-row,.console-actions{flex-direction:column;align-items:stretch}
            .btn{width:100%}
            .hero-meta{display:grid;grid-template-columns:1fr 1fr}
            .meta-chip{font-size:11px}
            .console-top{align-items:flex-start;flex-direction:column}
            .qr-box{margin:20px auto}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: article */
:root{
            --ink:#15151b;
            --ink-2:#20202a;
            --ink-3:#2d2b39;
            --paper:#f5f5f0;
            --paper-2:#ecece6;
            --white:#fff;
            --lime:#c9f44a;
            --lime-2:#e1ff82;
            --violet:#9b7cff;
            --violet-soft:#d9d0ff;
            --text:#f7f7f2;
            --muted:#a8a6b4;
            --dark-text:#282733;
            --dark-muted:#696777;
            --line:rgba(255,255,255,.12);
            --line-dark:#d9d9d3;
            --orange:#f19a5b;
            --radius:16px;
            --radius-sm:11px;
            --shadow:0 18px 48px rgba(18,18,26,.12);
            --shadow-dark:0 22px 70px rgba(0,0,0,.28);
            --container:1200px;
        }

        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--dark-text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button{font:inherit;border:0;cursor:pointer}
        p{margin-top:0}
        h1,h2,h3,h4{margin-top:0;color:inherit;font-weight:800}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

        .site-header{
            position:sticky;
            top:0;
            z-index:30;
            background:rgba(21,21,27,.97);
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .navbar{
            min-height:76px;
            display:flex;
            align-items:center;
            gap:28px;
        }
        .brand{
            display:flex;
            align-items:center;
            gap:10px;
            min-width:245px;
            color:#fff;
            font-weight:800;
            letter-spacing:-.35px;
        }
        .brand-mark{
            width:34px;
            height:34px;
            flex:0 0 34px;
            display:grid;
            place-items:center;
            border-radius:9px;
            background:var(--lime);
            color:var(--ink);
            font-size:17px;
            font-weight:900;
            transform:rotate(-8deg);
        }
        .brand-text{
            display:block;
            max-width:260px;
            font-size:14px;
            line-height:1.25;
        }
        .brand-text small{
            display:block;
            margin-top:4px;
            color:#aaa8b5;
            font-size:10px;
            font-weight:500;
            letter-spacing:0;
        }
        .nav{
            display:flex;
            align-items:center;
            gap:3px;
            flex:1;
        }
        .nav a{
            position:relative;
            padding:25px 11px;
            color:#bdbbc5;
            font-size:14px;
            white-space:nowrap;
            transition:color .2s ease,background .2s ease;
        }
        .nav a:hover,
        .nav a.active{color:var(--lime)}
        .nav a.active:after{
            content:"";
            position:absolute;
            left:11px;
            right:11px;
            bottom:14px;
            height:2px;
            border-radius:2px;
            background:var(--lime);
        }
        .nav-download{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-height:44px;
            padding:10px 17px;
            border-radius:9px;
            background:var(--lime);
            color:var(--ink);
            font-size:13px;
            font-weight:900;
            white-space:nowrap;
            transition:.2s ease;
        }
        .nav-download:hover{
            color:var(--ink);
            background:var(--lime-2);
            transform:translateY(-2px);
        }
        .menu-toggle{
            display:none;
            padding:8px;
            background:transparent;
            color:#fff;
            font-size:25px;
        }
        .btn{
            min-height:48px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:9px;
            padding:12px 21px;
            border-radius:10px;
            font-size:14px;
            font-weight:800;
            transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease;
        }
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{
            color:var(--ink);
            background:var(--lime-2);
            transform:translateY(-2px);
            box-shadow:0 9px 22px rgba(201,244,74,.2);
        }
        .btn-secondary{
            color:var(--dark-text);
            border:1px solid var(--line-dark);
            background:transparent;
        }
        .btn-secondary:hover{
            color:var(--ink);
            border-color:var(--violet);
            background:var(--violet-soft);
            transform:translateY(-2px);
        }
        .btn-dark{
            color:#fff;
            background:var(--ink-2);
            border:1px solid rgba(255,255,255,.14);
        }
        .btn-dark:hover{
            color:var(--lime);
            border-color:var(--lime);
            transform:translateY(-2px);
        }
        .btn:focus-visible,
        .nav a:focus-visible,
        .menu-toggle:focus-visible,
        .toc a:focus-visible{
            outline:3px solid var(--violet);
            outline-offset:3px;
        }

        .article-hero{
            position:relative;
            overflow:hidden;
            padding:72px 0 76px;
            color:var(--text);
            background:var(--ink);
        }
        .article-hero:before{
            content:"";
            position:absolute;
            width:620px;
            height:620px;
            top:-350px;
            right:-100px;
            border:1px solid rgba(201,244,74,.17);
            border-radius:50%;
        }
        .article-hero:after{
            content:"";
            position:absolute;
            inset:0;
            pointer-events:none;
            opacity:.55;
            background-image:
                linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
                linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
            background-size:52px 52px;
            mask-image:linear-gradient(90deg,#000,transparent 80%);
        }
        .hero-content{position:relative;z-index:1;max-width:900px}
        .breadcrumb{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:9px;
            margin:0 0 26px;
            color:#aaa8b5;
            font-size:13px;
        }
        .breadcrumb a{transition:color .2s ease}
        .breadcrumb a:hover{color:var(--lime)}
        .breadcrumb .separator{color:#625f6c}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            margin-bottom:17px;
            color:var(--lime);
            font-size:13px;
            font-weight:800;
        }
        .eyebrow:before{
            content:"";
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--lime);
            box-shadow:0 0 0 5px rgba(201,244,74,.12);
        }
        .article-hero h1{
            max-width:900px;
            margin-bottom:22px;
            color:#fff;
            font-size:clamp(32px,4.3vw,56px);
            line-height:1.18;
            letter-spacing:-1.8px;
            overflow-wrap:anywhere;
        }
        .article-summary{
            max-width:790px;
            margin-bottom:26px;
            color:#c0bec8;
            font-size:17px;
        }
        .article-meta{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:10px 22px;
            color:#96939f;
            font-size:13px;
        }
        .meta-item{display:inline-flex;align-items:center;gap:7px}
        .meta-dot{
            width:5px;
            height:5px;
            border-radius:50%;
            background:var(--violet);
        }
        .badge{
            display:inline-flex;
            width:max-content;
            padding:5px 10px;
            border-radius:5px;
            background:rgba(201,244,74,.15);
            color:var(--lime);
            font-size:12px;
            font-weight:800;
        }

        .article-wrap{
            display:grid;
            grid-template-columns:minmax(0,790px) 280px;
            gap:68px;
            align-items:start;
            padding:78px 0 92px;
        }
        .article-main{
            min-width:0;
            padding:42px 48px 50px;
            border:1px solid var(--line-dark);
            border-radius:var(--radius);
            background:#fff;
            box-shadow:var(--shadow);
        }
        .article-content{
            color:#383641;
            font-size:16px;
            line-height:1.95;
            overflow-wrap:anywhere;
        }
        .article-content>*:first-child{margin-top:0}
        .article-content h2{
            margin:38px 0 15px;
            padding-left:16px;
            border-left:4px solid var(--lime);
            color:var(--ink);
            font-size:27px;
            line-height:1.4;
        }
        .article-content h3{
            margin:30px 0 10px;
            color:var(--ink-2);
            font-size:21px;
            line-height:1.45;
        }
        .article-content p{margin:0 0 20px}
        .article-content ul,
        .article-content ol{
            margin:0 0 23px;
            padding-left:25px;
        }
        .article-content li{margin:7px 0}
        .article-content a{
            color:#6650c8;
            text-decoration:underline;
            text-decoration-color:#c9bfff;
            text-underline-offset:3px;
        }
        .article-content a:hover{color:#392a8e}
        .article-content blockquote{
            margin:26px 0;
            padding:18px 22px;
            border-left:4px solid var(--violet);
            border-radius:0 var(--radius-sm) var(--radius-sm) 0;
            background:#f1eefc;
            color:#51486d;
        }
        .article-content img{
            width:auto;
            max-width:100%;
            margin:28px auto;
            border-radius:var(--radius-sm);
        }
        .article-content table{
            width:100%;
            margin:25px 0;
            border-collapse:collapse;
            font-size:14px;
        }
        .article-content th,
        .article-content td{
            padding:11px 13px;
            border:1px solid var(--line-dark);
            text-align:left;
        }
        .article-content th{
            background:var(--paper-2);
            color:var(--ink);
            font-weight:800;
        }
        .article-content code{
            padding:2px 6px;
            border-radius:5px;
            background:#eeeafc;
            color:#5d48bf;
            font-size:.9em;
        }
        .article-note{
            display:flex;
            gap:14px;
            align-items:flex-start;
            margin:32px 0 5px;
            padding:20px;
            border:1px solid #d9d0ff;
            border-radius:var(--radius-sm);
            background:#f8f6ff;
        }
        .note-icon{
            width:30px;
            height:30px;
            flex:0 0 30px;
            display:grid;
            place-items:center;
            border-radius:8px;
            background:var(--violet);
            color:#fff;
            font-weight:900;
        }
        .article-note strong{
            display:block;
            margin-bottom:3px;
            color:var(--ink);
        }
        .article-note p{
            margin:0;
            color:var(--dark-muted);
            font-size:14px;
            line-height:1.7;
        }
        .article-actions{
            display:flex;
            flex-wrap:wrap;
            gap:12px;
            margin-top:42px;
            padding-top:30px;
            border-top:1px solid var(--line-dark);
        }

        .article-aside{
            position:sticky;
            top:105px;
        }
        .aside-card{
            margin-bottom:18px;
            padding:23px;
            border:1px solid var(--line-dark);
            border-radius:var(--radius);
            background:#fff;
            box-shadow:0 10px 30px rgba(18,18,26,.06);
        }
        .aside-card h2{
            margin-bottom:15px;
            color:var(--ink);
            font-size:17px;
        }
        .toc{
            display:flex;
            flex-direction:column;
            gap:2px;
        }
        .toc a{
            padding:8px 10px;
            border-left:2px solid transparent;
            color:var(--dark-muted);
            font-size:13px;
            line-height:1.5;
            transition:.2s ease;
        }
        .toc a:hover{
            border-left-color:var(--lime);
            background:#f3f5e9;
            color:var(--ink);
        }
        .download-card{
            color:#fff;
            border-color:transparent;
            background:var(--ink-2);
            box-shadow:var(--shadow-dark);
        }
        .download-card h2{color:#fff}
        .download-card p{
            margin-bottom:18px;
            color:#aaa8b5;
            font-size:13px;
        }
        .download-card .btn{width:100%}
        .aside-links{
            display:flex;
            flex-direction:column;
            gap:9px;
        }
        .aside-links a{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:9px 0;
            border-bottom:1px solid #eeeef0;
            color:var(--dark-muted);
            font-size:13px;
        }
        .aside-links a:last-child{border-bottom:0}
        .aside-links a:hover{color:#6752c7}
        .aside-links span{color:var(--violet);font-size:16px}

        .related-section{
            padding:0 0 88px;
        }
        .section-head{
            display:flex;
            align-items:flex-end;
            justify-content:space-between;
            gap:24px;
            margin-bottom:27px;
        }
        .section-kicker{
            margin-bottom:7px;
            color:#7464c7;
            font-size:12px;
            font-weight:900;
            letter-spacing:1.5px;
        }
        .section-head h2{
            margin-bottom:0;
            color:var(--ink);
            font-size:30px;
            line-height:1.25;
            letter-spacing:-.8px;
        }
        .section-link{
            color:#6650c8;
            font-size:14px;
            font-weight:800;
        }
        .section-link:hover{color:var(--ink)}
        .related-grid{
            display:grid;
            grid-template-columns:1.45fr 1fr 1fr;
            gap:16px;
        }
        .related-card{
            min-height:180px;
            display:flex;
            flex-direction:column;
            justify-content:space-between;
            padding:24px;
            border:1px solid var(--line-dark);
            border-radius:var(--radius);
            background:#fff;
            transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
        }
        .related-card:hover{
            transform:translateY(-4px);
            border-color:#c8bdf5;
            box-shadow:var(--shadow);
        }
        .related-card.featured{
            color:#fff;
            border-color:transparent;
            background:var(--ink);
        }
        .related-card h3{
            margin:14px 0 8px;
            color:inherit;
            font-size:18px;
            line-height:1.45;
        }
        .related-card p{
            margin:0;
            color:var(--dark-muted);
            font-size:13px;
        }
        .related-card.featured p{color:#aaa8b5}
        .related-foot{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:10px;
            margin-top:19px;
            color:var(--dark-muted);
            font-size:12px;
        }
        .featured .related-foot{color:#9996a4}
        .arrow{
            color:var(--violet);
            font-size:20px;
            line-height:1;
        }

        .cta-section{padding:0 0 92px}
        .cta-box{
            position:relative;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:30px;
            overflow:hidden;
            padding:38px 44px;
            border-radius:var(--radius);
            color:var(--ink);
            background:var(--lime);
        }
        .cta-box:after{
            content:"C7";
            position:absolute;
            right:36px;
            bottom:-35px;
            color:rgba(21,21,27,.08);
            font-size:150px;
            font-weight:900;
            line-height:1;
        }
        .cta-box > *{position:relative;z-index:1}
        .cta-box h2{
            margin-bottom:7px;
            font-size:27px;
            line-height:1.3;
        }
        .cta-box p{margin:0;color:#444d20;font-size:14px}
        .cta-box .btn{
            flex:0 0 auto;
            background:var(--ink);
            color:#fff;
        }
        .cta-box .btn:hover{
            background:var(--ink-2);
            color:var(--lime);
        }

        .site-footer{
            padding:62px 0 24px;
            color:#c2bfca;
            background:var(--ink);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.7fr 1fr 1fr 1fr;
            gap:45px;
            padding-bottom:45px;
        }
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{
            max-width:310px;
            margin:0;
            color:#94919e;
            font-size:13px;
            line-height:1.8;
        }
        .footer-col h3{
            margin:4px 0 16px;
            color:#fff;
            font-size:14px;
        }
        .footer-col a{
            display:block;
            width:max-content;
            max-width:100%;
            margin:9px 0;
            color:#95929e;
            font-size:13px;
            transition:color .2s ease;
        }
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            gap:20px;
            padding-top:21px;
            border-top:1px solid rgba(255,255,255,.1);
            color:#777481;
            font-size:12px;
        }

        @media (max-width:1100px){
            .navbar{gap:16px}
            .brand{min-width:215px}
            .brand-text{font-size:13px}
            .nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .nav a.active:after{left:7px;right:7px}
            .article-wrap{grid-template-columns:minmax(0,1fr) 245px;gap:35px}
        }
        @media (max-width:900px){
            .menu-toggle{display:block;margin-left:auto}
            .nav{
                position:absolute;
                top:76px;
                left:0;
                right:0;
                display:none;
                flex-direction:column;
                align-items:stretch;
                padding:12px 24px 20px;
                background:var(--ink);
                border-bottom:1px solid rgba(255,255,255,.1);
            }
            .nav.is-open{display:flex}
            .nav a{padding:13px 4px}
            .nav a.active:after{left:0;right:auto;bottom:7px;width:35px}
            .nav-download{display:none}
            .article-wrap{grid-template-columns:1fr}
            .article-aside{
                position:static;
                display:grid;
                grid-template-columns:1fr 1fr;
                gap:18px;
            }
            .aside-card{margin:0}
            .related-grid{grid-template-columns:1fr 1fr}
            .related-card.featured{grid-column:1/-1}
            .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
            .footer-brand{grid-column:1/-1}
        }
        @media (max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .article-hero{padding:52px 0 58px}
            .article-hero h1{font-size:36px;letter-spacing:-1px}
            .article-summary{font-size:15px}
            .article-wrap{padding:45px 0 62px}
            .article-main{padding:29px 23px 34px}
            .article-content{font-size:15px;line-height:1.85}
            .article-content h2{font-size:23px;margin-top:32px}
            .article-content h3{font-size:19px}
            .article-aside{grid-template-columns:1fr}
            .related-section{padding-bottom:62px}
            .cta-section{padding-bottom:62px}
            .cta-box{align-items:flex-start;flex-direction:column;padding:30px 25px}
            .cta-box h2{font-size:23px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{flex-direction:column;gap:8px}
        }
        @media (max-width:520px){
            .brand{min-width:0}
            .brand-text{max-width:190px;font-size:12px}
            .brand-text small{font-size:9px}
            .article-hero h1{font-size:30px}
            .article-meta{gap:8px 14px}
            .article-main{border-radius:12px}
            .article-actions{flex-direction:column}
            .article-actions .btn{width:100%}
            .related-grid{grid-template-columns:1fr}
            .related-card.featured{grid-column:auto}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
        }

/* roulang page: category2 */
:root{
      --ink:#15151b;--ink-2:#20202a;--ink-3:#2d2b39;--paper:#f5f5f0;--paper-2:#ecece6;
      --white:#fff;--lime:#c9f44a;--lime-2:#e1ff82;--violet:#9b7cff;--violet-soft:#d9d0ff;
      --text:#f7f7f2;--muted:#a8a6b4;--dark-text:#282733;--dark-muted:#696777;
      --line:rgba(255,255,255,.12);--line-dark:#d9d9d3;--orange:#f19a5b;
      --radius:16px;--radius-sm:11px;--shadow:0 18px 48px rgba(18,18,26,.12);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--dark-text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(21,21,27,.97);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:250px;color:#fff;font-weight:800;letter-spacing:-.5px}
    .brand-mark{width:34px;height:34px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:9px;font-size:17px;font-weight:900;transform:rotate(-8deg);flex:none}
    .brand-text{font-size:14px;line-height:1.25}
    .brand-text small{display:block;color:#918e9c;font-size:10px;font-weight:500;margin-top:3px;letter-spacing:.2px}
    .nav{display:flex;align-items:center;gap:3px;flex:1}
    .nav a{position:relative;color:#bdbbc5;font-size:14px;padding:26px 11px;transition:.2s ease;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--lime)}
    .nav a.active:after{content:"";position:absolute;bottom:15px;left:11px;right:11px;height:2px;background:var(--lime);border-radius:2px}
    .nav-download{white-space:nowrap;padding:11px 17px;border-radius:9px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;transition:.2s ease}
    .nav-download:hover{background:var(--lime-2);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .hero-news{background:var(--ink);color:var(--text);position:relative;overflow:hidden}
    .hero-news:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(155,124,255,.24);border-radius:50%;right:-180px;top:-340px}
    .hero-news:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
    .hero-inner{position:relative;z-index:1;min-height:430px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;padding:68px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;margin-bottom:18px}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(201,244,74,.12)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,4.6vw,58px);line-height:1.15;letter-spacing:-2px;margin-bottom:20px}
    .hero-inner h1 span{color:var(--lime)}
    .hero-lead{color:#c1bfca;font-size:17px;max-width:620px;margin-bottom:28px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 9px 22px rgba(201,244,74,.2)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#fff}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,.footer-col a:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
    .hero-note{border-left:2px solid var(--violet);padding:18px 0 18px 24px;color:#d2cedd;font-size:15px;max-width:390px}
    .hero-note strong{display:block;color:#fff;font-size:23px;margin-bottom:5px}
    .crumbs{padding:22px 0 0;color:var(--dark-muted);font-size:13px}
    .crumbs a:hover{color:#6652c7}
    .crumbs span{margin:0 9px;color:#aaa7ad}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-kicker{font-size:12px;color:#7464c7;font-weight:900;letter-spacing:1.5px;margin-bottom:8px}
    .section h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-bottom:8px}
    .section-intro{color:var(--dark-muted);max-width:530px;font-size:15px;margin-bottom:0}
    .news-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:22px}
    .lead-story{background:var(--ink);color:#fff;border-radius:var(--radius);padding:34px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .lead-story:after{content:"NEWS";position:absolute;right:-18px;bottom:-35px;font-size:112px;font-weight:900;color:rgba(255,255,255,.04);letter-spacing:-6px}
    .badge{display:inline-flex;width:max-content;padding:5px 10px;border-radius:5px;background:rgba(201,244,74,.15);color:var(--lime);font-size:12px;font-weight:800}
    .lead-story h3{font-size:28px;line-height:1.4;max-width:580px;margin:24px 0 12px;position:relative;z-index:1}
    .lead-story p{color:#aaa8b4;font-size:14px;max-width:560px;position:relative;z-index:1}
    .meta{font-size:12px;color:#8f8c99;display:flex;gap:15px;align-items:center}
    .story-list{display:flex;flex-direction:column;border-top:1px solid var(--line-dark)}
    .story-item{display:block;padding:18px 4px;border-bottom:1px solid var(--line-dark);transition:.2s}
    .story-item:hover{padding-left:10px;background:rgba(155,124,255,.06)}
    .story-item .badge{background:var(--violet-soft);color:#654bc4;margin-bottom:8px}
    .story-item h3{font-size:17px;line-height:1.45;margin-bottom:6px}
    .story-item p{font-size:13px;color:var(--dark-muted);margin-bottom:7px}
    .timeline-section{background:#e9e9e3}
    .timeline{position:relative;max-width:920px;margin:auto}
    .timeline:before{content:"";position:absolute;left:108px;top:8px;bottom:8px;width:1px;background:#c9c7c3}
    .timeline-item{display:grid;grid-template-columns:86px 1fr;gap:45px;position:relative;padding-bottom:28px}
    .timeline-date{text-align:right;color:#716c7a;font-size:13px;padding-top:20px}
    .timeline-card{background:#fff;border:1px solid #dfdeda;border-radius:var(--radius-sm);padding:21px 24px;box-shadow:0 8px 25px rgba(30,28,35,.045);position:relative}
    .timeline-card:before{content:"";position:absolute;left:-51px;top:25px;width:11px;height:11px;border:3px solid #e9e9e3;background:var(--violet);border-radius:50%;box-shadow:0 0 0 1px var(--violet)}
    .timeline-card h3{font-size:19px;margin:10px 0 6px}
    .timeline-card p{font-size:14px;color:var(--dark-muted);margin-bottom:0}
    .timeline-card .badge{background:#f0edff;color:#6c54c9}
    .info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
    .info-box{background:var(--ink-2);color:#fff;border-radius:var(--radius-sm);padding:22px}
    .info-box strong{display:block;color:var(--lime);font-size:24px;margin-bottom:4px}
    .info-box span{font-size:13px;color:#aaa7b1}
    .topics{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .topic-panel{border:1px solid var(--line-dark);background:#fff;border-radius:var(--radius);padding:27px}
    .topic-panel h3{font-size:21px;margin:12px 0 8px}
    .topic-panel p{color:var(--dark-muted);font-size:14px;margin-bottom:18px}
    .topic-panel ul{list-style:none;padding:0;margin:0}
    .topic-panel li{padding:10px 0;border-top:1px solid var(--line-dark);font-size:14px;display:flex;justify-content:space-between;gap:15px}
    .topic-panel li:after{content:"→";color:#755cd0;font-weight:800}
    .faq-section{background:var(--ink);color:#fff}
    .faq-section .section-intro{color:#aaa8b4}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid rgba(255,255,255,.15)}
    .faq-item{border-bottom:1px solid rgba(255,255,255,.15)}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;color:#fff;padding:21px 3px;font-size:16px;font-weight:700}
    .faq-q:after{content:"+";color:var(--lime);font-size:25px;font-weight:400;line-height:1}
    .faq-a{color:#aaa8b4;font-size:14px;padding:0 35px 21px 3px}
    .cta{padding:68px 0}
    .cta-box{background:var(--lime);border-radius:var(--radius);padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-box h2{font-size:29px;margin-bottom:8px;letter-spacing:-1px}
    .cta-box p{margin:0;color:#475019;font-size:14px}
    .cta-box .btn{background:var(--ink);color:#fff}
    .cta-box .btn:hover{background:var(--ink-3);transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:40px;padding-bottom:42px}
    .footer-brand .brand{margin-bottom:18px}
    .footer-brand p{color:#aaa8b4;font-size:13px;max-width:330px}
    .footer-col h3{font-size:14px;margin-bottom:15px;color:#fff}
    .footer-col a{display:block;color:#aaa8b4;font-size:13px;margin:9px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#777481;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:15px}.brand{min-width:215px}.nav a{padding-left:7px;padding-right:7px;font-size:13px}
      .hero-inner{gap:38px}.news-layout{grid-template-columns:1fr}.lead-story{min-height:270px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:12px;max-width:190px}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .nav.open{display:flex}.nav a{padding:13px 10px}.nav a.active:after{display:none}.nav-download{display:none}.menu-toggle{display:block}
      .hero-inner{grid-template-columns:1fr;min-height:0;padding:54px 0 58px;gap:28px}.hero-lead{font-size:15px}.hero-inner h1{letter-spacing:-1px}
      .hero-note{max-width:none}.section{padding:54px 0}.section-head{display:block;margin-bottom:25px}.section-intro{margin-top:12px}
      .timeline:before{left:8px}.timeline-item{grid-template-columns:1fr;gap:7px;padding-left:30px}.timeline-date{text-align:left;padding-top:0}.timeline-card:before{left:-28px;top:23px}
      .info-strip,.topics{grid-template-columns:1fr}.cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      h1{font-size:34px}.lead-story{padding:25px}.lead-story h3{font-size:23px}.timeline-card{padding:18px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category3 */
:root{
            --ink:#15151b;
            --ink-2:#20202a;
            --ink-3:#2d2b39;
            --paper:#f5f5f0;
            --paper-2:#ecece6;
            --white:#fff;
            --lime:#c9f44a;
            --lime-2:#e1ff82;
            --violet:#9b7cff;
            --violet-soft:#d9d0ff;
            --text:#f7f7f2;
            --muted:#a8a6b4;
            --dark-text:#282733;
            --dark-muted:#696777;
            --line:rgba(255,255,255,.12);
            --line-dark:#d9d9d3;
            --orange:#f19a5b;
            --radius:16px;
            --radius-sm:11px;
            --shadow:0 18px 48px rgba(18,18,26,.12);
            --shadow-dark:0 22px 70px rgba(0,0,0,.28);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--dark-text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(21,21,27,.97);border-bottom:1px solid rgba(255,255,255,.08)}
        .navbar{height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px;color:#fff;font-weight:800;letter-spacing:-.5px}
        .brand-mark{width:34px;height:34px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:9px;font-size:17px;font-weight:900;transform:rotate(-8deg);flex:none}
        .brand-text{font-size:14px;line-height:1.25}
        .brand-text small{display:block;color:#aaa7b4;font-size:10px;font-weight:500;margin-top:3px;letter-spacing:.2px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{position:relative;color:#bdbbc5;font-size:14px;padding:26px 11px;transition:.2s ease;white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--lime)}
        .nav a.active:after{content:"";position:absolute;bottom:15px;left:11px;right:11px;height:2px;background:var(--lime);border-radius:2px}
        .nav-download{white-space:nowrap;padding:11px 17px;border-radius:9px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;transition:.2s ease}
        .nav-download:hover{background:var(--lime-2);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:#fff;font-size:25px;padding:7px}
        .hero{background:var(--ink);color:var(--text);position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(201,244,74,.14);border-radius:50%;right:-190px;top:-270px}
        .hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,#000,transparent 86%);pointer-events:none}
        .hero-inner{position:relative;z-index:1;min-height:470px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:70px;padding:74px 0 78px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;margin-bottom:19px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(201,244,74,.12)}
        .hero h1{font-size:clamp(34px,4.2vw,56px);line-height:1.16;letter-spacing:-2px;max-width:700px;margin:0}
        .hero h1 span{color:var(--lime)}
        .hero-lead{color:#c1bfca;font-size:17px;max-width:620px;margin:23px 0 30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:800;transition:.22s ease}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 9px 22px rgba(201,244,74,.2)}
        .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#fff}
        .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
        .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
        .guide-card{background:#25232e;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
        .guide-card-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:22px}
        .guide-card-title{font-size:18px;font-weight:800}
        .status{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:12px;font-weight:700}
        .status i{width:7px;height:7px;background:var(--lime);border-radius:50%}
        .guide-progress{height:8px;background:#3b3747;border-radius:20px;overflow:hidden;margin:18px 0 24px}
        .guide-progress span{display:block;width:66%;height:100%;background:var(--lime);border-radius:20px}
        .guide-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);color:#d7d4df;font-size:14px}
        .guide-row:last-child{border-bottom:0}
        .step-no{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(201,244,74,.15);color:var(--lime);font-weight:900}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:33px}
        .section-kicker{font-size:12px;color:#7464c7;font-weight:900;letter-spacing:1.5px;margin-bottom:8px}
        .section h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:0}
        .section-intro{color:var(--dark-muted);max-width:520px;font-size:15px;margin:0}
        .dark-section{background:var(--ink);color:var(--text)}
        .dark-section .section-intro{color:var(--muted)}
        .download-strip{background:var(--ink-2);color:#fff;padding:27px 0;border-bottom:1px solid rgba(255,255,255,.08)}
        .strip-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .strip-title{display:flex;align-items:center;gap:14px}
        .strip-icon{width:43px;height:43px;border-radius:12px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:20px;font-weight:900}
        .strip-title strong{display:block;font-size:16px}.strip-title span{display:block;color:var(--muted);font-size:12px}
        .strip-links{display:flex;gap:0;align-items:center}
        .strip-links a{padding:3px 22px;border-left:1px solid var(--line);font-size:13px;color:#d3d0db;transition:.2s}
        .strip-links a:hover{color:var(--lime)}
        .steps-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:54px;align-items:start}
        .steps{border-top:1px solid var(--line-dark)}
        .step-item{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line-dark)}
        .step-number{font-size:28px;font-weight:900;color:#aaa5b5}
        .step-item.active .step-number{color:var(--violet)}
        .step-item h3{font-size:19px;margin:0 0 4px}.step-item p{font-size:14px;color:var(--dark-muted);margin:0}
        .step-arrow{font-size:22px;color:#aaa5b5}
        .phone-panel{background:#deded7;border-radius:var(--radius);padding:34px;min-height:330px;display:flex;align-items:center;justify-content:center}
        .phone{width:180px;height:275px;border:8px solid #292631;border-radius:27px;background:#fff;box-shadow:0 15px 30px rgba(20,20,25,.18);padding:17px 13px;position:relative}
        .phone:before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:55px;height:5px;background:#292631;border-radius:5px}
        .phone-logo{margin-top:17px;background:var(--ink);color:var(--lime);border-radius:10px;padding:12px 7px;font-size:12px;font-weight:900;text-align:center}
        .phone-line{height:9px;background:#e6e5e0;border-radius:5px;margin-top:14px}
        .phone-line.short{width:65%;margin-top:9px}
        .phone-button{height:35px;background:var(--lime);border-radius:8px;margin-top:26px}
        .notice{margin-top:20px;border-left:3px solid var(--orange);padding:14px 17px;background:#f0eee8;color:var(--dark-muted);font-size:13px}
        .check-section{background:#e8e8e2}
        .check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .check-card{background:var(--paper);border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:25px;transition:.22s}
        .check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .check-card .mini-icon{color:var(--violet);font-size:22px;font-weight:900;margin-bottom:16px}
        .check-card h3{font-size:18px;margin:0 0 9px}.check-card p{font-size:14px;color:var(--dark-muted);margin:0}
        .faq-list{max-width:900px;border-top:1px solid var(--line-dark)}
        .faq-item{border-bottom:1px solid var(--line-dark)}
        .faq-q{width:100%;background:transparent;display:flex;justify-content:space-between;text-align:left;align-items:center;padding:21px 0;color:var(--dark-text);font-size:16px;font-weight:800}
        .faq-q span:last-child{font-size:24px;color:var(--violet);font-weight:400;transition:.2s}
        .faq-a{display:none;color:var(--dark-muted);font-size:14px;padding:0 42px 20px 0}
        .faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
        .cta{background:var(--ink-3);color:#fff;border-radius:var(--radius);padding:43px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px;overflow:hidden;position:relative}
        .cta:after{content:"C7";position:absolute;right:35px;bottom:-52px;font-size:180px;line-height:1;font-weight:900;color:rgba(255,255,255,.04)}
        .cta h2{font-size:29px;margin:0 0 8px;position:relative;z-index:1}.cta p{color:#b7b3c1;margin:0;font-size:14px;position:relative;z-index:1}
        .cta .btn{position:relative;z-index:1;flex:none}
        .site-footer{background:var(--ink);color:#fff;padding:64px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
        .footer-brand .brand{margin-bottom:18px}.footer-brand p{max-width:350px;color:#9693a0;font-size:13px;margin:0}
        .footer-col h3{font-size:14px;margin:5px 0 15px;color:#fff}.footer-col a{display:block;color:#9995a5;font-size:13px;margin:10px 0;transition:.2s}.footer-col a:hover{color:var(--lime)}
        .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#777482;font-size:12px}
        @media(max-width:1050px){
            .navbar{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:40px}.steps-layout{gap:32px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .navbar{height:68px;justify-content:space-between}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:10px 17px 18px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
            .nav.show{display:flex}.nav a{padding:13px 10px}.nav a.active:after{bottom:6px;left:10px;right:auto;width:30px}.nav-download{display:none}
            .brand{min-width:0}.brand-text{font-size:12px}.brand-text small{font-size:9px}
            .hero-inner{grid-template-columns:1fr;min-height:auto;padding:57px 0 64px;gap:38px}.hero h1{letter-spacing:-1px}.hero-lead{font-size:15px}
            .guide-card{max-width:470px;width:100%;margin:auto;transform:none}
            .strip-inner{align-items:flex-start;flex-direction:column}.strip-links{width:100%;overflow:auto}.strip-links a{padding:3px 16px;white-space:nowrap}
            .section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-intro{margin-top:12px}.section h2{font-size:27px}
            .steps-layout{grid-template-columns:1fr}.step-item{grid-template-columns:50px 1fr 20px;padding:20px 0}.step-item h3{font-size:17px}.phone-panel{min-height:290px}
            .check-grid{grid-template-columns:1fr}.cta{padding:32px 25px;display:block}.cta h2{font-size:25px}.cta .btn{margin-top:22px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .hero h1{font-size:34px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
            .guide-card{padding:21px}.guide-card-title{font-size:16px}.step-item{gap:11px}.step-number{font-size:23px}.step-arrow{font-size:18px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category4 */
:root{
      --ink:#15151b;
      --ink-2:#20202a;
      --ink-3:#2d2b39;
      --paper:#f5f5f0;
      --paper-2:#ecece6;
      --white:#fff;
      --lime:#c9f44a;
      --lime-2:#e1ff82;
      --violet:#9b7cff;
      --violet-soft:#d9d0ff;
      --text:#f7f7f2;
      --muted:#a8a6b4;
      --dark-text:#282733;
      --dark-muted:#696777;
      --line:rgba(255,255,255,.12);
      --line-dark:#d9d9d3;
      --orange:#f19a5b;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 18px 48px rgba(18,18,26,.12);
      --shadow-dark:0 22px 70px rgba(0,0,0,.28);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--dark-text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(21,21,27,.97);border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:230px;color:#fff;font-weight:800;letter-spacing:-.5px}
    .brand-mark{width:34px;height:34px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:9px;font-size:17px;font-weight:900;transform:rotate(-8deg)}
    .brand-text{font-size:14px;line-height:1.25}
    .brand-text small{display:block;color:#9c9aa6;font-size:10px;font-weight:500;letter-spacing:0;margin-top:3px}
    .nav{display:flex;align-items:center;gap:3px;flex:1}
    .nav a{position:relative;color:#bdbbc5;font-size:14px;padding:26px 11px;transition:.2s ease;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--lime)}
    .nav a.active:after{content:"";position:absolute;bottom:15px;left:11px;right:11px;height:2px;background:var(--lime);border-radius:2px}
    .nav-download{white-space:nowrap;padding:11px 17px;border-radius:9px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;transition:.2s ease}
    .nav-download:hover{background:var(--lime-2);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 9px 22px rgba(201,244,74,.2)}
    .btn-secondary{border:1px solid rgba(255,255,255,.25);color:#fff}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--ink);border:1px solid #fff}
    .btn-light:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
    .page-hero{background:var(--ink);color:var(--text);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
    .page-hero-inner{position:relative;z-index:1;padding:76px 0 82px;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;margin-bottom:18px}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(201,244,74,.12)}
    h1,h2,h3,p{margin-top:0}
    .page-hero h1{font-size:clamp(36px,5vw,60px);line-height:1.13;letter-spacing:-2px;max-width:700px;margin-bottom:22px}
    .page-hero h1 span{color:var(--lime)}
    .hero-lead{color:#c1bfca;font-size:17px;max-width:650px;margin-bottom:29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-art{min-height:300px;border:1px solid rgba(201,244,74,.22);border-radius:22px;padding:24px;position:relative;background:linear-gradient(145deg,#272532,#191820);box-shadow:var(--shadow-dark)}
    .art-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;color:#fff;font-weight:800}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:7px}
    .art-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
    .art-tile{min-height:92px;border-radius:12px;padding:16px;background:#332d40;border:1px solid rgba(255,255,255,.08)}
    .art-tile strong{display:block;color:#fff;font-size:16px;margin-bottom:5px}
    .art-tile span{font-size:12px;color:#aaa7b5}
    .art-tile.feature{grid-column:span 2;background:var(--lime);color:var(--ink)}
    .art-tile.feature strong{color:var(--ink);font-size:20px}
    .art-tile.feature span{color:#404a1d}
    .crumbs{padding:19px 0;color:var(--dark-muted);font-size:13px}
    .crumbs a:hover{color:#7059cf}
    .crumbs span{padding:0 9px;color:#aaa8a8}
    .section{padding:82px 0}
    .section.alt{background:var(--paper-2)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-kicker{font-size:12px;color:#7464c7;font-weight:900;letter-spacing:1.5px;margin-bottom:8px}
    .section h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-bottom:0}
    .section-intro{color:var(--dark-muted);max-width:530px;font-size:15px;margin-bottom:0}
    .topic-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px}
    .topic-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;min-height:350px;position:relative;overflow:hidden}
    .topic-card:after{content:"C7";position:absolute;right:-10px;bottom:-44px;font-size:170px;line-height:1;font-weight:900;color:rgba(255,255,255,.045)}
    .topic-card h3{font-size:26px;line-height:1.35;max-width:330px;margin:22px 0 14px;position:relative;z-index:1}
    .topic-card p{color:#b8b5c0;font-size:14px;max-width:360px;position:relative;z-index:1}
    .badge{display:inline-flex;width:max-content;padding:5px 10px;border-radius:5px;background:rgba(201,244,74,.15);color:var(--lime);font-size:12px;font-weight:800}
    .topic-card .badge{background:rgba(155,124,255,.2);color:var(--violet-soft)}
    .topic-card .btn{position:absolute;bottom:30px;left:30px;z-index:1}
    .update-list{border-top:1px solid var(--line-dark)}
    .update-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line-dark);transition:.2s}
    .update-item:hover{padding-left:8px;background:rgba(255,255,255,.3)}
    .update-date{color:#7464c7;font-size:13px;font-weight:800}
    .update-info h3{font-size:18px;margin:0 0 5px;line-height:1.4}
    .update-info p{color:var(--dark-muted);font-size:13px;margin:0}
    .update-arrow{font-size:24px;color:#918e9b}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}
    .tag{border:1px solid var(--line-dark);border-radius:999px;padding:7px 14px;color:var(--dark-muted);font-size:13px;transition:.2s}
    .tag:hover,.tag.selected{background:var(--ink);border-color:var(--ink);color:var(--lime)}
    .compare{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .compare-item{background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:23px;min-height:150px;transition:.2s}
    .compare-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .compare-icon{color:var(--violet);font-size:22px;font-weight:900;margin-bottom:12px}
    .compare-item h3{font-size:17px;margin-bottom:7px}
    .compare-item p{color:var(--dark-muted);font-size:13px;margin-bottom:0}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line-dark)}
    .faq-q{width:100%;background:none;padding:21px 4px;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--dark-text);font-size:16px;font-weight:800}
    .faq-q:after{content:"+";font-size:25px;color:#7464c7;font-weight:400}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;color:var(--dark-muted);font-size:14px;padding:0 40px 21px 4px}
    .faq-item.open .faq-a{display:block}
    .cta{background:var(--ink-2);color:#fff;padding:52px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:30px;margin-bottom:8px}
    .cta p{color:#b8b5c0;margin:0;font-size:14px}
    .site-footer{background:var(--ink);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{color:#aaa7b5;font-size:13px;max-width:330px}
    .footer-col h3{font-size:14px;margin:5px 0 15px}
    .footer-col a{display:block;color:#aaa7b5;font-size:13px;margin:9px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#777482;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:205px}.nav a{padding-left:7px;padding-right:7px;font-size:13px}
      .page-hero-inner{gap:35px}.topic-layout{grid-template-columns:1fr 1.25fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:12px;max-width:210px}
      .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ink);padding:12px 16px 20px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line)}
      .nav.open{display:flex}.nav a{padding:13px 10px}.nav a.active:after{left:10px;right:auto;width:35px;bottom:5px}
      .nav-download{display:none}.menu-toggle{display:block}
      .page-hero-inner{grid-template-columns:1fr;padding:55px 0 60px}.page-hero h1{letter-spacing:-1px}.hero-art{min-height:260px}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}.topic-layout{grid-template-columns:1fr}.topic-card{min-height:300px}
      .update-item{grid-template-columns:78px 1fr;gap:12px}.update-arrow{display:none}.update-info h3{font-size:16px}
      .compare{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      .brand-text{max-width:175px}.page-hero h1{font-size:34px}.hero-lead{font-size:15px}
      .hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{min-height:48px}
      .art-grid{grid-template-columns:1fr}.art-tile.feature{grid-column:auto}
      .section h2{font-size:26px}.topic-card{padding:24px}.topic-card .btn{left:24px;bottom:24px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* 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}