/* roulang page: index */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#ffffff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:4px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep)}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        .hero{position:relative;overflow:hidden;padding:82px 0 58px;background:#e8f6f1}
        .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
        .hero:before{width:430px;height:430px;right:-120px;top:-190px;border:54px solid rgba(8,169,147,.1)}
        .hero:after{width:240px;height:240px;left:-110px;bottom:-140px;background:rgba(244,127,92,.1)}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-deep);font-size:13px;font-weight:800;margin-bottom:16px}
        .eyebrow:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--coral)}
        h1{font-size:clamp(35px,4.3vw,55px);line-height:1.18;letter-spacing:-.04em;max-width:650px;color:var(--dark)}
        .hero-copy{font-size:17px;color:#506568;max-width:590px;margin:22px 0 28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .mini-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}
        .mini-points span:before{content:"✓";color:var(--teal);font-weight:900;margin-right:6px}
        .sim-panel{background:var(--dark);padding:18px;border-radius:26px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
        .sim-top{display:flex;justify-content:space-between;align-items:center;color:#cbe8df;font-size:12px;padding:3px 5px 15px}
        .live{color:#a9f1d7}.live:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--coral);margin-right:6px}
        .screen{background:#f5fbf8;border-radius:17px;padding:18px;min-height:310px}
        .screen-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
        .screen-title{font-weight:800;color:var(--dark);font-size:19px}
        .screen-icon{width:35px;height:35px;border-radius:10px;background:var(--coral-soft);color:var(--coral);display:grid;place-items:center;font-weight:900}
        .game-strip{display:grid;grid-template-columns:1.3fr .8fr;gap:12px;margin-bottom:14px}
        .game-cover{height:132px;border-radius:13px;padding:16px;display:flex;align-items:flex-end;color:#fff;font-size:18px;font-weight:800;background:linear-gradient(145deg,#0cae99 0%,#075b63 100%);position:relative;overflow:hidden}
        .game-cover:after{content:"✦";position:absolute;right:18px;top:13px;color:#b7fff0;font-size:32px}
        .game-cover.coral{background:linear-gradient(145deg,#f69a6a,#c85155)}
        .progress-card{border:1px solid var(--line);border-radius:13px;padding:15px;background:#fff}
        .progress-card b{font-size:13px}.bar{height:7px;background:#e2efeb;border-radius:20px;margin:18px 0 8px;overflow:hidden}.bar i{display:block;width:72%;height:100%;background:var(--teal);border-radius:20px}
        .progress-card small{color:var(--muted);font-size:11px}
        .screen-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:12px}
        .screen-bottom strong{color:var(--teal-deep)}
        .quick-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px;border-radius:16px;overflow:hidden}
        .stat{background:#fff;padding:18px 22px}.stat strong{display:block;font-size:22px;color:var(--dark)}.stat span{font-size:12px;color:var(--muted)}
        section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
        .section-kicker{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.1em}
        h2{font-size:31px;line-height:1.25;color:var(--dark);margin-top:5px;letter-spacing:-.025em}
        .section-head p{color:var(--muted);max-width:460px}
        .arrow-link{color:var(--teal-deep);font-weight:750;white-space:nowrap}.arrow-link:hover{text-decoration:underline}
        .quick-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr;gap:16px}
        .quick-card{min-height:172px;border-radius:var(--radius-md);padding:25px;position:relative;border:1px solid var(--line);background:#fff;transition:.25s}
        .quick-card:first-child{background:var(--dark);color:#eafff7;border-color:var(--dark)}
        .quick-card:nth-child(2){background:var(--coral-soft);border-color:#f8d5c6}.quick-card:nth-child(3){background:var(--teal-soft)}
        .quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .quick-icon{font-size:25px;margin-bottom:20px}.quick-card h3{font-size:19px;margin-bottom:4px}.quick-card p{font-size:13px;color:var(--muted);max-width:230px}.quick-card:first-child p{color:#b5d4ce}.quick-card a{position:absolute;right:22px;bottom:20px;font-size:22px}
        .games-section{background:#fff}
        .game-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
        .feature-game{border-radius:20px;min-height:330px;padding:28px;position:relative;overflow:hidden;background:linear-gradient(130deg,#143d3d,#087d73);color:#fff}
        .feature-game:after{content:"PG";position:absolute;right:20px;bottom:-35px;font-size:180px;font-weight:900;color:rgba(255,255,255,.07)}
        .feature-game .tag{background:rgba(255,255,255,.18);color:#fff}.feature-game h3{font-size:27px;margin-top:86px}.feature-game p{color:#c5e1db;max-width:370px;font-size:14px;margin:8px 0 20px}
        .tag{display:inline-block;padding:4px 10px;border-radius:30px;font-size:11px;font-weight:800;background:var(--teal-soft);color:var(--teal-deep)}
        .game-side{display:grid;gap:18px}.game-item{display:grid;grid-template-columns:104px 1fr;gap:16px;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff;transition:.2s}.game-item:hover{box-shadow:var(--shadow-soft);transform:translateX(3px)}
        .game-thumb{border-radius:11px;min-height:104px;background:linear-gradient(145deg,#f49a62,#d95d58);display:grid;place-items:center;color:#fff;font-weight:900;font-size:26px}.game-item:nth-child(2) .game-thumb{background:linear-gradient(145deg,#3bbca2,#19727d)}
        .game-item h3{font-size:17px;color:var(--dark);margin:9px 0 3px}.game-item p{font-size:12px;color:var(--muted);margin-bottom:8px}.text-btn{font-size:13px;font-weight:800;color:var(--teal-deep)}
        .news-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:stretch}
        .news-feature{background:var(--coral-soft);border:1px solid #f7d8ca;border-radius:20px;padding:29px}.news-feature .tag{background:#fff}.news-feature h3{font-size:25px;line-height:1.35;margin:28px 0 12px;color:var(--dark)}.news-feature p{color:var(--muted);font-size:14px}.news-feature .date{display:block;margin-top:30px;color:var(--coral);font-size:12px}
        .news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:84px 1fr auto;gap:17px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.news-date{font-size:12px;color:var(--muted)}.news-row h3{font-size:16px;color:var(--dark);margin-bottom:3px}.news-row p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:480px}.news-row a{color:var(--teal);font-size:21px}
        .download{background:var(--dark);color:#fff;padding:60px 0;overflow:hidden}.download-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}.phone-stage{height:300px;position:relative;display:grid;place-items:center}.phone{width:178px;height:292px;border:8px solid #d9f6ee;border-radius:28px;background:#f5fffb;padding:13px;color:var(--dark);box-shadow:22px 20px 0 rgba(8,169,147,.22);transform:rotate(-7deg)}.phone-notch{width:53px;height:7px;border-radius:8px;background:#bee3d9;margin:0 auto 21px}.phone h3{font-size:16px}.phone-card{height:66px;border-radius:11px;background:var(--teal-soft);margin-top:15px;padding:10px;font-size:11px}.phone-card b{display:block;font-size:13px}.download h2{color:#fff}.download p{color:#b9d5d0;max-width:580px;margin:14px 0 20px}.download-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.download-tags span{border:1px solid rgba(255,255,255,.2);padding:6px 11px;border-radius:30px;color:#d7eee8;font-size:12px}
        .category-bar{display:flex;gap:10px;overflow:auto;padding-bottom:5px}.category-bar a{flex:1;min-width:150px;border:1px solid var(--line);background:#fff;border-radius:13px;padding:16px;color:var(--muted);transition:.2s}.category-bar a:hover,.category-bar a.active{border-color:var(--teal);color:var(--teal-deep);background:var(--teal-soft)}.category-bar b{display:block;color:var(--dark);margin-bottom:3px}.category-bar small{font-size:12px}
        .faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.faq-intro p{color:var(--muted);margin-top:14px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;list-style:none;font-size:16px;font-weight:750;color:var(--dark);display:flex;justify-content:space-between}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--teal);font-size:21px}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:12px 35px 0 0}
        .cta{padding:34px 0}.cta-inner{border-radius:18px;background:var(--teal-soft);padding:30px 38px;display:flex;justify-content:space-between;align-items:center;gap:22px}.cta h2{font-size:24px}.cta p{color:var(--muted);margin-top:4px}
        footer{background:#102e31;color:#c5d9d5;padding:50px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}.footer-brand{color:#fff;font-weight:800;font-size:17px}.footer-brand p{font-size:13px;color:#9fbcb7;font-weight:400;max-width:300px;margin-top:14px}.footer h3{color:#fff;font-size:14px;margin-bottom:13px}.footer a{display:block;font-size:13px;color:#9fbcb7;margin:7px 0}.footer a:hover{color:#82ebcf}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#8ca9a4;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1024px){.nav-inner{gap:12px}.brand{min-width:220px}.nav-links>a,.nav-drop>span{padding:9px 7px;font-size:13px}.hero-grid{gap:35px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
        @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.topbar{height:68px}.nav-inner{justify-content:space-between}.brand{min-width:0;font-size:14px}.brand-mark{width:34px;height:34px}.brand small{font-size:9px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-soft)}.nav-links.open{display:flex}.nav-links>a,.nav-drop>span{padding:12px}.nav-drop .drop-menu{position:static;width:auto;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 10px 5px;background:transparent}.nav-inner>.btn{display:none}.hero{padding:55px 0 35px}.hero-grid,.download-grid,.news-layout,.faq-grid{grid-template-columns:1fr}.hero-copy{font-size:15px}.sim-panel{margin:12px 8px 0}.quick-stats{margin-top:25px}.quick-grid{grid-template-columns:1fr 1fr}.quick-card:first-child{grid-column:1/-1}.game-grid{grid-template-columns:1fr}.feature-game{min-height:280px}.section-head{display:block}.section-head p{margin-top:10px}.section-head .arrow-link{display:inline-block;margin-top:12px}.download-grid{gap:18px}.phone-stage{height:275px}.download-content{padding-bottom:10px}.faq-grid{gap:25px}.cta-inner{display:block;padding:27px}.cta-inner .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
        @media(max-width:520px){h1{font-size:34px}.hero-actions .btn{width:100%}.mini-points{gap:9px;display:grid}.quick-grid{grid-template-columns:1fr}.quick-card:first-child{grid-column:auto}.game-item{grid-template-columns:82px 1fr}.game-thumb{min-height:92px}.news-row{grid-template-columns:65px 1fr 20px;gap:9px}.news-row p{max-width:190px}.news-row h3{font-size:14px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.category-bar a{min-width:138px}}

/* roulang page: article */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#fff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:4px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep);color:#fff}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848;color:#fff}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        main{padding:54px 0 82px}
        .breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:0 0 30px}
        .breadcrumb a:hover{color:var(--teal-deep);text-decoration:underline}
        .breadcrumb .current{color:var(--teal-deep);max-width:470px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:52px;align-items:start;justify-content:center}
        .article-header{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:34px}
        .article-label{display:inline-flex;padding:5px 12px;border-radius:30px;background:var(--coral-soft);color:#c95e3c;font-size:12px;font-weight:800;margin-bottom:16px}
        h1{font-size:clamp(32px,4.5vw,50px);line-height:1.2;letter-spacing:-.03em;margin:0;color:var(--dark);font-weight:850}
        .article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:19px;color:var(--muted);font-size:13px}
        .article-meta span{display:inline-flex;align-items:center;gap:6px}
        .article-meta i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block}
        .article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:42px 48px;box-shadow:var(--shadow-soft);font-size:16px;color:#34474a}
        .article-body h2{font-size:28px;line-height:1.35;color:var(--dark);margin:34px 0 15px}
        .article-body h3{font-size:21px;color:var(--teal-deep);margin:27px 0 10px}
        .article-body p{margin:0 0 18px}
        .article-body ul,.article-body ol{padding-left:25px;margin:12px 0 22px}
        .article-body li{margin:7px 0}
        .article-body blockquote{margin:25px 0;padding:17px 21px;border-left:4px solid var(--coral);background:var(--coral-soft);color:#6c5148;border-radius:0 10px 10px 0}
        .article-body img{border-radius:14px;margin:24px auto}
        .article-body table{width:100%;border-collapse:collapse;margin:22px 0}
        .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
        .article-body th{background:var(--teal-soft);color:var(--teal-deep)}
        .article-body a{color:var(--teal-deep);text-decoration:underline;text-underline-offset:3px}
        .article-side{position:sticky;top:104px}
        .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-soft);margin-bottom:16px}
        .side-card h2{font-size:18px;margin:0 0 15px;color:var(--dark)}
        .side-card p{font-size:13px;color:var(--muted);margin:0 0 16px}
        .side-links a{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:#526467;font-size:14px}
        .side-links a:last-child{border-bottom:0}
        .side-links a:hover{color:var(--teal-deep);padding-left:4px}
        .article-bottom{margin-top:25px;display:flex;justify-content:space-between;gap:14px}
        .article-bottom a{font-weight:750;color:var(--teal-deep)}
        .not-found{text-align:center;padding:65px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}
        .not-found h1{font-size:32px;margin-bottom:12px}
        .not-found p{color:var(--muted);margin-bottom:24px}
        .cta{background:var(--dark);color:#fff;border-radius:var(--radius-lg);padding:32px 38px;display:flex;align-items:center;justify-content:space-between;gap:25px;margin-top:60px}
        .cta h2{font-size:25px;margin:0 0 5px}
        .cta p{color:#b8d5cf;margin:0;font-size:14px}
        footer{background:var(--dark);color:#dcece8;padding:58px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
        footer p{color:#a9c5bf;font-size:13px;max-width:280px;margin:0}
        footer h3{font-size:14px;color:#fff;margin:0 0 14px}
        footer a{display:block;color:#a9c5bf;font-size:13px;margin:8px 0;transition:.2s}
        footer a:hover{color:#fff;transform:translateX(3px)}
        .copyright{border-top:1px solid rgba(220,236,232,.16);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#8eaaa4;font-size:12px}
        @media (max-width:1024px){
            .nav-inner{gap:14px}.brand{min-width:225px}.nav-links>a,.nav-drop>span{padding:9px 8px;font-size:13px}
            .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}
        }
        @media (max-width:768px){
            .topbar{height:68px}.container{width:min(calc(100% - 32px),var(--container))}
            .brand{min-width:0;flex:1;font-size:13px}.brand-mark{width:35px;height:35px}
            .brand small{font-size:9px}.menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:16px;right:16px;top:75px;padding:10px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
            .nav-links.open{display:flex}.nav-links>a,.nav-drop>span{display:block;padding:12px}
            .nav-drop .drop-menu{position:static;width:auto;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 8px;background:#f7fbf9}
            .drop-menu a{padding:8px 10px}.nav-inner>.btn{display:none}
            main{padding:32px 0 58px}.breadcrumb{margin-bottom:22px}
            .article-layout{display:block}.article-side{position:static;margin-top:25px}
            .article-body{padding:28px 22px;font-size:15px}.article-body h2{font-size:24px}
            .cta{margin-top:38px;padding:26px 22px;display:block}.cta .btn{margin-top:18px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin:7px 0}
        }
        @media (max-width:520px){
            h1{font-size:31px}.article-meta{gap:9px 14px}.footer-grid{grid-template-columns:1fr}
            .article-bottom{display:block;line-height:2.3}
        }

/* roulang page: category1 */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#fff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
        a{color:inherit;text-decoration:none}
        a:hover{text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:25px}
        .brand{display:flex;align-items:center;gap:11px;min-width:265px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:3px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 12px;border-radius:9px;color:#526467;font-weight:650;transition:.2s;white-space:nowrap}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu,.nav-drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,.nav-links a:focus,input:focus,button:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep);color:#fff}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848;color:#fff}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,4.3vw,54px);line-height:1.16;letter-spacing:-.035em;margin-bottom:18px}
        h2{font-size:clamp(26px,3vw,34px);line-height:1.25;letter-spacing:-.02em;margin-bottom:10px}
        h3{font-size:19px;line-height:1.35}
        .hero{position:relative;overflow:hidden;padding:74px 0 62px;background:#e8f6f1}
        .hero:before{content:"";position:absolute;width:420px;height:420px;right:-130px;top:-200px;border:54px solid rgba(8,169,147,.11);border-radius:50%}
        .hero:after{content:"";position:absolute;width:220px;height:220px;left:-100px;bottom:-140px;background:rgba(244,127,92,.12);border-radius:50%}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{color:var(--teal-deep);font-size:13px;font-weight:800;letter-spacing:.06em}
        .eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:17px}
        .eyebrow:before{content:"";width:25px;height:3px;border-radius:4px;background:var(--coral)}
        .hero-copy{font-size:17px;color:#506568;max-width:590px;margin:0 0 27px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .trial-board{min-height:330px;padding:25px;border-radius:var(--radius-lg);background:var(--dark);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .trial-board:after{content:"PG";position:absolute;right:-12px;bottom:-50px;font-size:190px;font-weight:900;color:rgba(255,255,255,.06)}
        .board-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
        .board-label{font-size:13px;color:#b9d8d1}
        .status{padding:5px 10px;border-radius:30px;background:#dff7f1;color:var(--teal-deep);font-size:11px;font-weight:800}
        .board-screen{height:145px;margin:26px 0 20px;border-radius:15px;background:linear-gradient(135deg,#1c6862,#f47f5c);display:flex;align-items:end;padding:18px;position:relative;z-index:1}
        .board-screen strong{font-size:24px}
        .board-bottom{display:flex;gap:10px;position:relative;z-index:1}
        .board-chip{padding:9px 12px;border:1px solid rgba(255,255,255,.18);border-radius:9px;color:#c5e1db;font-size:12px}
        section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
        .section-head p{max-width:470px;color:var(--muted);margin-bottom:0}
        .arrow-link{color:var(--teal-deep);font-weight:750;white-space:nowrap}
        .arrow-link:hover{text-decoration:underline}
        .entry-layout{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
        .entry-card{min-height:190px;border:1px solid var(--line);border-radius:var(--radius-md);padding:25px;background:#fff;position:relative;transition:.25s}
        .entry-card:first-child{background:var(--dark);color:#fff;border-color:var(--dark)}
        .entry-card:nth-child(2){background:var(--coral-soft);border-color:#f7d6c8}
        .entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .entry-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--teal-soft);color:var(--teal-deep);font-size:20px;margin-bottom:21px}
        .entry-card:first-child .entry-icon{background:rgba(255,255,255,.15);color:#fff}
        .entry-card h3{margin-bottom:7px}
        .entry-card p{color:var(--muted);font-size:13px;max-width:260px;margin-bottom:0}
        .entry-card:first-child p{color:#b5d4ce}
        .entry-arrow{position:absolute;right:22px;bottom:18px;font-size:22px;color:var(--teal-deep)}
        .entry-card:first-child .entry-arrow{color:#fff}
        .filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
        .filter-pill{border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 15px;border-radius:30px;font-size:13px;transition:.2s}
        .filter-pill:hover,.filter-pill.active{background:var(--teal-soft);color:var(--teal-deep);border-color:#a7ded3}
        .game-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
        .game-feature{min-height:365px;padding:30px;border-radius:20px;background:linear-gradient(135deg,#143d3d,#087d73);color:#fff;position:relative;overflow:hidden}
        .game-feature:after{content:"PG";position:absolute;right:10px;bottom:-48px;font-size:190px;font-weight:900;color:rgba(255,255,255,.07)}
        .game-feature h3{font-size:28px;margin-top:105px;position:relative;z-index:1}
        .game-feature p{max-width:390px;color:#c5e1db;position:relative;z-index:1}
        .game-feature .tag{background:rgba(255,255,255,.18);color:#fff}
        .tag{display:inline-block;padding:4px 10px;border-radius:30px;background:var(--teal-soft);color:var(--teal-deep);font-size:11px;font-weight:800}
        .game-list{display:grid;gap:13px}
        .game-item{display:grid;grid-template-columns:112px 1fr;gap:16px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}
        .game-item:hover{transform:translateX(3px);box-shadow:var(--shadow-soft)}
        .game-thumb{min-height:108px;border-radius:12px;background:linear-gradient(145deg,#f47f5c,#ffc77e);display:grid;place-items:center;color:#fff;font-size:28px;font-weight:900}
        .game-item:nth-child(2) .game-thumb{background:linear-gradient(145deg,#08a993,#8bded0)}
        .game-item:nth-child(3) .game-thumb{background:linear-gradient(145deg,#334e78,#9bb6d8)}
        .game-item h3{margin:8px 0 5px;font-size:18px}
        .game-item p{font-size:13px;color:var(--muted);margin-bottom:11px}
        .mini-link{font-size:13px;color:var(--teal-deep);font-weight:750}
        .info-section{background:#fff}
        .info-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
        .info-main{min-height:280px;border-radius:20px;padding:30px;background:var(--coral-soft);border:1px solid #f7d6c8}
        .info-main h3{font-size:25px;margin:42px 0 10px}
        .info-main p,.info-row p{color:var(--muted);font-size:14px}
        .info-list{display:grid;gap:12px}
        .info-row{display:grid;grid-template-columns:82px 1fr;gap:16px;padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:14px}
        .info-date{color:var(--teal-deep);font-size:12px;font-weight:800}
        .info-row h3{font-size:16px;margin:0 0 3px}
        .info-row p{margin:0}
        .guide{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px;align-items:start}
        .guide-intro p{color:var(--muted);max-width:360px}
        .guide-list{counter-reset:guide;display:grid;gap:0}
        .guide-step{counter-increment:guide;display:grid;grid-template-columns:55px 1fr;gap:18px;padding:0 0 27px;position:relative}
        .guide-step:not(:last-child):after{content:"";position:absolute;left:25px;top:51px;width:1px;height:calc(100% - 24px);background:var(--line)}
        .guide-step:before{content:counter(guide);width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:var(--teal-soft);color:var(--teal-deep);font-weight:900;position:relative;z-index:1}
        .guide-step h3{margin:3px 0 4px}
        .guide-step p{color:var(--muted);font-size:14px;margin:0}
        .faq-section{background:#eef7f4}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}
        .faq-intro p{color:var(--muted)}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:10px;padding:17px 20px}
        .faq-item summary{cursor:pointer;font-weight:750;color:var(--dark);list-style:none;padding-right:22px;position:relative}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--teal-deep);font-size:20px;top:-3px}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:12px 0 2px;color:var(--muted);font-size:14px}
        .cta{padding:32px 40px;border-radius:20px;background:var(--dark);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:27px;margin-bottom:7px}
        .cta p{color:#b9d8d1;margin:0}
        footer{background:#12383a;color:#c4d9d4;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr .8fr;gap:35px}
        .footer-brand{color:#fff;font-weight:800;font-size:18px;margin-bottom:10px}
        footer p{font-size:13px;color:#9fc0b9;max-width:310px}
        footer h3{color:#fff;font-size:15px;margin-bottom:13px}
        footer a{display:block;font-size:13px;color:#a9c8c1;margin:7px 0;transition:.2s}
        footer a:hover{color:#fff;text-decoration:underline}
        .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#8eafa8;font-size:12px}
        @media(max-width:1024px){
            .nav-inner{gap:12px}.brand{min-width:220px}.nav-links>a,.nav-drop>span{padding:9px 7px;font-size:13px}
            .hero-grid{gap:35px}.entry-layout{grid-template-columns:1fr 1fr}.entry-card:first-child{grid-column:span 2}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .topbar{height:70px}.brand{min-width:0;flex:1;font-size:13px}.brand small{font-size:9px}.brand-mark{width:35px;height:35px}
            .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.show{display:flex}.nav-links>a,.nav-drop>span{display:block;padding:12px}.nav-drop .drop-menu{position:static;width:100%;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 5px 12px}.nav-drop.open .drop-menu{display:block}
            .nav-inner>.btn{display:none}.hero{padding:55px 0 45px}.hero-grid,.game-layout,.info-layout,.guide,.faq-grid{grid-template-columns:1fr;gap:28px}
            .trial-board{min-height:285px}.board-screen{height:120px;margin-top:20px}.game-feature{min-height:300px}.game-feature h3{margin-top:78px}
            section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}.section-head .arrow-link{display:inline-block;margin-top:12px}
            .cta{display:block;padding:28px 24px}.cta .btn{margin-top:20px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}
        }
        @media(max-width:520px){
            h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
            .entry-layout{grid-template-columns:1fr}.entry-card:first-child{grid-column:auto}.entry-card{min-height:165px}
            .game-item{grid-template-columns:90px 1fr;gap:12px}.game-thumb{min-height:92px}
            .info-row{grid-template-columns:1fr;gap:3px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{
--teal:#08a993;--teal-deep:#067d71;--teal-soft:#dff7f1;--coral:#f47f5c;--coral-soft:#fff0e9;--ink:#17262b;--muted:#66777b;--paper:#f5f8f6;--white:#fff;--line:#dce8e4;--dark:#12383a;--radius-lg:24px;--radius-md:16px;--radius-sm:10px;--shadow:0 16px 40px rgba(22,68,66,.09);--shadow-soft:0 8px 24px rgba(22,68,66,.06);--container:1200px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
.topbar{height:78px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-inner{height:100%;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;min-width:260px;color:var(--dark);font-weight:800;line-height:1.2}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}.brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}.nav-links{display:flex;align-items:center;gap:4px;flex:1}.nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s}.nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}.nav-drop{position:relative}.nav-drop>span{display:block;cursor:default}.drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}.nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}.drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}.drop-menu a:hover,.drop-menu a.active{background:var(--teal-soft);color:var(--teal-deep)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}.btn:hover{transform:translateY(-2px)}.btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}.btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}.btn-primary:hover{background:var(--teal-deep)}.btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#df6848}.btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}.menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
.hero{position:relative;overflow:hidden;padding:64px 0 52px;background:#e8f6f1}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.hero:before{width:430px;height:430px;right:-130px;top:-220px;border:54px solid rgba(8,169,147,.1)}.hero:after{width:180px;height:180px;left:7%;bottom:-110px;background:rgba(244,127,92,.12)}.crumb{position:relative;z-index:1;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}.crumb a:hover{color:var(--teal-deep);text-decoration:underline}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .94fr;gap:60px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-deep);font-size:13px;font-weight:800;margin-bottom:13px}.eyebrow:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--coral)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4vw,50px);line-height:1.22;letter-spacing:-.04em;margin-bottom:18px}h2{font-size:clamp(25px,3vw,32px);line-height:1.35;letter-spacing:-.025em}.hero-copy{font-size:16px;color:#506568;max-width:570px;margin-bottom:26px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.rank-preview{background:var(--dark);border-radius:22px;padding:18px;color:#fff;box-shadow:var(--shadow);transform:rotate(1.5deg)}.preview-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.preview-head strong{font-size:16px}.live-dot{font-size:11px;color:#cefff4;display:flex;align-items:center;gap:6px}.live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral)}.mini-rank{display:grid;grid-template-columns:32px 48px 1fr auto;align-items:center;gap:11px;padding:12px 9px;border-radius:12px;background:rgba(255,255,255,.09);margin-top:8px}.mini-rank:first-of-type{background:rgba(244,127,92,.22)}.mini-num{font-size:18px;font-weight:900;color:#a9e9dc}.mini-cover{height:42px;border-radius:10px;background:linear-gradient(135deg,#f47f5c,#ffca88)}.mini-rank:nth-child(3) .mini-cover{background:linear-gradient(135deg,#44c8b1,#0c7180)}.mini-rank:nth-child(4) .mini-cover{background:linear-gradient(135deg,#9d7be7,#ee9ec9)}.mini-rank small{color:#c1d9d4;font-size:11px}.mini-rank b{font-size:13px}.tag{display:inline-block;padding:4px 10px;border-radius:30px;font-size:11px;font-weight:800;background:var(--teal-soft);color:var(--teal-deep)}
section{padding:78px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section-kicker{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.1em;margin-bottom:7px}.section-head p{color:var(--muted);max-width:480px;margin:0}.arrow-link{color:var(--teal-deep);font-weight:750;white-space:nowrap}.arrow-link:hover{text-decoration:underline}
.rank-board{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.top-game{position:relative;overflow:hidden;min-height:365px;border-radius:var(--radius-lg);padding:34px;background:linear-gradient(135deg,#12383a,#087d71);color:#fff;box-shadow:var(--shadow)}.top-game:after{content:"01";position:absolute;right:-15px;bottom:-70px;color:rgba(255,255,255,.08);font-size:230px;line-height:1;font-weight:900}.top-game .tag{background:rgba(255,255,255,.18);color:#fff}.top-game h3{font-size:30px;margin:72px 0 8px;position:relative}.top-game p{position:relative;color:#c8e2dd;max-width:420px}.top-game .btn{position:relative;margin-top:12px}.rank-list{display:flex;flex-direction:column;gap:12px}.rank-item{display:grid;grid-template-columns:45px 85px 1fr auto;gap:15px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:var(--white);transition:.22s}.rank-item:hover{box-shadow:var(--shadow-soft);transform:translateX(3px)}.rank-no{font-size:22px;font-weight:900;color:var(--coral);text-align:center}.cover{height:72px;border-radius:13px;background:linear-gradient(135deg,#5ad8c3,#087d71);position:relative;overflow:hidden}.cover:after{content:"PG";font-size:31px;font-weight:900;color:rgba(255,255,255,.5);position:absolute;right:7px;bottom:-7px}.cover.coral{background:linear-gradient(135deg,#ffc17f,#f47f5c)}.cover.purple{background:linear-gradient(135deg,#a68af0,#e97da5)}.rank-info h3{font-size:17px;margin-bottom:2px}.rank-info p{font-size:12px;color:var(--muted);margin:4px 0 0}.rank-item .btn{min-height:39px;padding:0 13px;font-size:13px}
.filter-section{padding-top:0}.filter-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;padding:25px;display:flex;align-items:center;justify-content:space-between;gap:20px}.filter-wrap h2{font-size:21px;margin:0}.filter-wrap p{font-size:13px;color:var(--muted);margin:3px 0 0}.filter-pills{display:flex;gap:9px;flex-wrap:wrap}.pill{padding:8px 13px;border:1px solid var(--line);border-radius:24px;background:#fff;color:#526467;font-size:13px;font-weight:700;transition:.2s}.pill:hover,.pill.active{border-color:var(--teal);background:var(--teal-soft);color:var(--teal-deep)}
.feature-section{background:#fff}.game-row{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.game-row:last-child{border-bottom:0}.game-row .cover{height:84px}.game-row h3{font-size:19px;margin-bottom:6px}.game-row p{color:var(--muted);font-size:14px;margin:7px 0}.game-row .tag+.tag{margin-left:6px;background:var(--coral-soft);color:#bf5c42}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{background:#fff;border:1px solid var(--line);padding:25px;border-radius:var(--radius-md);box-shadow:0 3px 0 rgba(8,169,147,.03)}.info-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:var(--teal-soft);color:var(--teal-deep);font-weight:900;font-size:18px;margin-bottom:18px}.info-card:nth-child(2) .info-icon{background:var(--coral-soft);color:var(--coral)}.info-card h3{font-size:18px;margin-bottom:8px}.info-card p{font-size:14px;color:var(--muted);margin:0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px;align-items:start}.faq-copy p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:19px 0;display:flex;justify-content:space-between;gap:20px;background:transparent;color:var(--ink);font-weight:800;text-align:left}.faq-q span:last-child{color:var(--teal);font-size:22px;line-height:1}.faq-a{display:none;padding:0 35px 19px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.cta{padding:0 0 82px}.cta-box{background:var(--dark);color:#fff;border-radius:var(--radius-lg);padding:38px 46px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.cta-box:after{content:"PG";position:absolute;right:25px;bottom:-100px;font-size:210px;font-weight:900;color:rgba(255,255,255,.05)}.cta-box h2{position:relative;margin-bottom:6px}.cta-box p{position:relative;margin:0;color:#c3ddd8}.cta-box .btn{position:relative;flex:none}
footer{background:#102d2f;color:#c5d8d5;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:18px;font-weight:850;margin-bottom:10px}.footer-grid p{font-size:13px;max-width:350px;margin:0}.footer-grid h3{color:#fff;font-size:14px;margin:3px 0 13px}.footer-grid a{display:block;font-size:13px;margin:8px 0;color:#c5d8d5}.footer-grid a:hover{color:#7ce2d1;text-decoration:underline}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#9bb4b0}
@media(max-width:1024px){.nav-inner{gap:15px}.brand{min-width:220px;font-size:13px}.nav-links>a,.nav-drop>span{padding:9px 8px;font-size:13px}.hero-grid,.rank-board{gap:30px}.faq-layout{gap:35px}.rank-item{grid-template-columns:38px 68px 1fr}.rank-item .btn{display:none}}
@media(max-width:768px){.topbar{height:68px}.nav-inner{justify-content:space-between}.brand{min-width:0;font-size:13px}.brand small{font-size:9px}.menu-toggle{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:13px 20px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links>a,.nav-drop>span{padding:11px}.nav-drop>span{background:var(--teal-soft)}.drop-menu{position:static;width:auto;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:4px 0 0}.nav-cta{display:none}.hero{padding:42px 0}.hero-grid,.rank-board,.faq-layout{grid-template-columns:1fr}.hero-grid{gap:32px}.rank-preview{transform:none}.section-head{display:block}.section-head p{margin-top:8px}.section-head .arrow-link{display:inline-block;margin-top:13px}.filter-wrap{align-items:flex-start;flex-direction:column}.steps-grid{grid-template-columns:1fr}.game-row{grid-template-columns:88px 1fr}.game-row .cover{height:70px}.game-row .btn{grid-column:2;justify-self:start}.cta-box{padding:30px;display:block}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin:6px 0}}
@media(max-width:520px){.container{width:min(calc(100% - 28px),var(--container))}h1{font-size:33px}.hero-actions .btn{width:100%}.rank-item{grid-template-columns:34px 60px 1fr;gap:10px}.cover{height:62px}.rank-info p{display:none}.top-game{min-height:330px;padding:26px}.top-game h3{font-size:26px;margin-top:62px}.filter-wrap{padding:20px}.game-row{gap:14px}.game-row h3{font-size:17px}.game-row p{font-size:13px}.footer-grid{grid-template-columns:1fr}.cta{padding-bottom:55px}.cta-box{padding:27px 23px}}

/* roulang page: category3 */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#fff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:268px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:900;box-shadow:4px 5px 0 #b8ebe0;flex:none}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:4px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s;white-space:nowrap}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep);color:#fff}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848;color:#fff}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        .hero{position:relative;overflow:hidden;padding:76px 0 68px;background:#e8f6f1}
        .hero:before{content:"";position:absolute;width:430px;height:430px;right:-120px;top:-210px;border:55px solid rgba(8,169,147,.1);border-radius:50%}
        .hero:after{content:"";position:absolute;width:230px;height:230px;left:-100px;bottom:-150px;border-radius:50%;background:rgba(244,127,92,.11)}
        .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1fr .86fr;gap:72px;align-items:center}
        .eyebrow,.section-kicker{color:var(--teal-deep);font-size:12px;font-weight:850;letter-spacing:.1em}
        .eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:15px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:5px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,4.5vw,56px);line-height:1.15;letter-spacing:-.035em;margin-bottom:19px;color:var(--dark);max-width:690px}
        h2{font-size:clamp(26px,3vw,34px);line-height:1.25;letter-spacing:-.02em;color:var(--dark);margin-bottom:10px}
        h3{font-size:19px;line-height:1.35;color:var(--dark);margin-bottom:8px}
        .hero-copy{max-width:600px;color:#506568;font-size:17px;margin-bottom:27px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .topic-panel{background:var(--dark);color:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow);transform:rotate(1deg)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:22px}
        .panel-label{font-size:12px;color:#a6ccc4;letter-spacing:.1em}
        .live-dot{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border-radius:20px;padding:6px 10px;font-size:11px;color:#c9eee6}
        .live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:#77e4bc}
        .topic-main{padding:20px;border-radius:15px;background:#1d5553;margin-bottom:14px}
        .topic-main strong{display:block;font-size:25px;margin:12px 0 5px}
        .topic-main p{font-size:13px;color:#bfddd7;margin-bottom:0}
        .topic-list{display:grid;gap:10px}
        .topic-row{display:flex;justify-content:space-between;align-items:center;padding:12px 13px;background:rgba(255,255,255,.08);border-radius:10px;font-size:13px}
        .topic-row span{color:#9ec7bf}
        section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
        .section-head p{max-width:490px;color:var(--muted);margin-bottom:0}
        .timeline{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .timeline:before{content:"";position:absolute;left:50%;top:20px;bottom:20px;width:2px;background:var(--line);transform:translateX(-50%)}
        .news-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:25px;box-shadow:var(--shadow-soft);transition:.25s}
        .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .news-card:nth-child(even){margin-top:50px}
        .news-card:after{content:"";position:absolute;top:28px;right:-28px;width:11px;height:11px;border:3px solid var(--teal);border-radius:50%;background:var(--paper)}
        .news-card:nth-child(even):after{left:-28px;right:auto}
        .news-meta{display:flex;align-items:center;gap:10px;color:#849396;font-size:12px;margin-bottom:14px}
        .tag{display:inline-block;padding:4px 10px;border-radius:30px;font-size:11px;font-weight:800;background:var(--teal-soft);color:var(--teal-deep)}
        .tag.coral{background:var(--coral-soft);color:#c75b3f}
        .news-card p{color:var(--muted);font-size:14px;margin-bottom:16px}
        .read-link{font-weight:750;color:var(--teal-deep)}
        .read-link span{display:inline-block;margin-left:5px;transition:.2s}
        .read-link:hover span{transform:translateX(4px)}
        .featured{background:#fff}
        .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
        .feature-large{min-height:300px;background:var(--dark);color:#fff;border-radius:20px;padding:31px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
        .feature-large:before{content:"资讯";position:absolute;right:20px;top:13px;font-size:105px;line-height:1;font-weight:900;color:rgba(255,255,255,.06)}
        .feature-large h3{color:#fff;font-size:28px;max-width:500px;margin-top:18px}
        .feature-large p{color:#bfd9d3;max-width:520px;font-size:14px;margin-bottom:21px}
        .feature-side{display:grid;gap:14px}
        .side-item{border:1px solid var(--line);border-radius:15px;padding:20px;background:var(--paper);transition:.2s}
        .side-item:hover{border-color:var(--teal);background:var(--teal-soft)}
        .side-item p{color:var(--muted);font-size:13px;margin:0}
        .filter-area{display:grid;grid-template-columns:1fr auto;align-items:center;gap:18px;margin-bottom:23px}
        .search-box{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:5px 6px 5px 15px;max-width:480px}
        .search-box input{border:0;outline:0;background:transparent;flex:1;min-height:36px;color:var(--ink)}
        .search-box button{background:var(--teal-soft);color:var(--teal-deep);border-radius:8px;padding:7px 13px;font-weight:750}
        .filter-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
        .filter-tags button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:20px;padding:7px 13px;font-size:13px}
        .filter-tags button.active,.filter-tags button:hover{background:var(--teal);border-color:var(--teal);color:#fff}
        .guide-box{background:var(--coral-soft);border:1px solid #f5d5c7;border-radius:var(--radius-lg);padding:31px;display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
        .guide-box p{color:#6d6561;margin-bottom:0}
        .guide-points{display:grid;grid-template-columns:1fr 1fr;gap:13px}
        .guide-point{background:#fff;border:1px solid #f4dcd2;border-radius:12px;padding:14px 16px;font-size:14px}
        .guide-point b{display:block;color:var(--dark);margin-bottom:3px}
        .guide-point span{color:var(--muted);font-size:12px}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
        .faq-intro p{color:var(--muted)}
        .faq-list{display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px}
        .faq-item summary{cursor:pointer;list-style:none;font-weight:750;padding:17px 25px 17px 0;position:relative}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--teal);font-size:22px;font-weight:400}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{border-top:1px solid var(--line);padding:13px 0 17px;color:var(--muted);font-size:14px}
        .cta{padding:30px 0 82px}
        .cta-box{background:var(--teal);color:#fff;border-radius:20px;padding:31px 37px;display:flex;justify-content:space-between;align-items:center;gap:22px}
        .cta-box h2{color:#fff;margin-bottom:6px}
        .cta-box p{color:#d4f5ed;margin:0}
        .cta-box .btn{background:#fff;color:var(--teal-deep);white-space:nowrap}
        footer{background:var(--dark);color:#d9efea;padding:54px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr .8fr;gap:35px;padding-bottom:38px}
        .footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}
        footer p{color:#a9c9c3;font-size:13px;max-width:310px}
        footer h3{color:#fff;font-size:15px;margin-bottom:12px}
        footer a{display:block;color:#a9c9c3;font-size:13px;margin:7px 0}
        footer a:hover{color:#74e1ca;text-decoration:underline}
        .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#91b4ad;font-size:12px}
        @media(max-width:1024px){
            .nav-inner{gap:14px}.brand{min-width:220px}.nav-links>a,.nav-drop>span{padding-left:8px;padding-right:8px;font-size:13px}
            .hero-layout{gap:38px}.feature-grid,.guide-box{grid-template-columns:1fr}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .topbar{height:68px}.nav-inner{justify-content:space-between}.brand{min-width:0;font-size:14px}.brand-mark{width:34px;height:34px}
            .brand small{font-size:8px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links>a,.nav-drop>span{display:block}.nav-drop .drop-menu{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 8px;background:var(--paper)}.nav-drop:hover .drop-menu{display:block}
            .topbar>.nav-inner>.btn{display:none}.hero{padding:56px 0 48px}.hero-layout{grid-template-columns:1fr;gap:32px}h1{font-size:38px}.hero-copy{font-size:16px}.topic-panel{transform:none}
            section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}.timeline{grid-template-columns:1fr}.timeline:before{left:7px;top:15px;bottom:15px}.news-card,.news-card:nth-child(even){margin:0 0 0 24px}.news-card:after,.news-card:nth-child(even):after{left:-24px;right:auto}
            .filter-area{grid-template-columns:1fr}.search-box{max-width:none}.filter-tags{justify-content:flex-start}.guide-points{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr;gap:25px}.cta{padding:10px 0 58px}.cta-box{display:block;padding:27px}.cta-box .btn{margin-top:20px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}
        }
        @media(max-width:520px){
            .container{width:min(calc(100% - 28px),var(--container))}.brand{font-size:13px}.brand-mark{width:32px;height:32px;font-size:15px}
            .hero-actions .btn{width:100%}h1{font-size:34px}.feature-large{min-height:330px;padding:24px}.feature-large h3{font-size:23px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category4 */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#fff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
        a{color:inherit;text-decoration:none}
        a:hover{text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:4px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s;white-space:nowrap}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover,.drop-menu a.active{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,.menu-toggle:focus,a:focus,input:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:2px}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep);color:#fff}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848;color:#fff}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        .page-hero{position:relative;overflow:hidden;background:#e8f6f1;padding:72px 0 68px}
        .page-hero:before{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-230px;border:55px solid rgba(8,169,147,.11);border-radius:50%}
        .page-hero:after{content:"";position:absolute;width:230px;height:230px;left:-120px;bottom:-145px;border-radius:50%;background:rgba(244,127,92,.12)}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-deep);font-size:13px;font-weight:800;margin-bottom:15px}
        .eyebrow:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,54px);line-height:1.16;letter-spacing:-.04em;margin-bottom:20px;color:var(--dark);font-weight:850}
        h2{font-size:clamp(26px,3vw,34px);line-height:1.25;color:var(--dark);font-weight:820}
        h3{font-size:19px;line-height:1.35;color:var(--dark);font-weight:800}
        .hero-copy{max-width:620px;font-size:17px;color:#506568;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .device-stage{min-height:360px;position:relative;display:flex;align-items:center;justify-content:center}
        .device-shadow{position:absolute;width:300px;height:34px;bottom:15px;border-radius:50%;background:rgba(18,56,58,.16);filter:blur(12px)}
        .device{width:246px;height:355px;border:9px solid var(--dark);border-radius:31px;background:#fff;box-shadow:var(--shadow);padding:13px;position:relative;z-index:1;transform:rotate(4deg)}
        .device-notch{height:17px;width:76px;background:var(--dark);border-radius:0 0 12px 12px;margin:-13px auto 14px}
        .device-screen{height:295px;border-radius:18px;background:linear-gradient(150deg,#dff7f1,#fff0e9);padding:16px;overflow:hidden}
        .screen-brand{font-size:16px;font-weight:850;color:var(--dark);margin-bottom:18px}
        .screen-banner{height:92px;border-radius:14px;background:var(--dark);color:#fff;padding:14px;position:relative;overflow:hidden}
        .screen-banner:after{content:"PG";position:absolute;right:-5px;bottom:-25px;font-size:90px;font-weight:900;color:rgba(255,255,255,.1)}
        .screen-banner span{font-size:11px;color:#a9ddd2}
        .screen-banner b{display:block;font-size:18px;margin-top:4px}
        .screen-row{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}
        .screen-tile{height:62px;border-radius:11px;background:#fff;border:1px solid var(--line);padding:9px}
        .screen-tile i{display:block;width:23px;height:23px;border-radius:7px;background:var(--coral);margin-bottom:4px}
        .screen-tile:nth-child(2) i{background:var(--teal)}
        .screen-tile small{font-size:10px;color:var(--muted)}
        section{padding:80px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-kicker{font-size:12px;color:var(--coral);font-weight:850;letter-spacing:.1em;margin-bottom:8px}
        .section-head p{color:var(--muted);max-width:490px;margin-bottom:0}
        .download-panel{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;align-items:stretch}
        .download-card{background:var(--dark);border-radius:var(--radius-lg);padding:34px;color:#fff;min-height:330px;position:relative;overflow:hidden}
        .download-card:after{content:"APP";position:absolute;right:18px;bottom:-35px;font-size:145px;font-weight:900;color:rgba(255,255,255,.05)}
        .download-card h2{color:#fff;max-width:390px;position:relative;z-index:1}
        .download-card p{color:#c3ded8;max-width:410px;position:relative;z-index:1}
        .download-card .tag{background:rgba(255,255,255,.14);color:#dff7f1;position:relative;z-index:1}
        .download-options{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px}
        .option-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}
        .option-title h3{margin:0}
        .status{font-size:12px;color:var(--teal-deep);background:var(--teal-soft);padding:5px 10px;border-radius:20px;font-weight:750}
        .download-row{display:flex;gap:18px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
        .qr-box{width:92px;height:92px;flex:0 0 92px;border:7px solid var(--dark);background:repeating-linear-gradient(45deg,#17262b 0 4px,#fff 4px 8px);border-radius:8px;position:relative}
        .qr-box:after{content:"扫码";position:absolute;inset:22px 10px;background:#fff;color:var(--dark);font-size:12px;font-weight:800;text-align:center;padding-top:4px}
        .download-row strong{display:block;color:var(--dark);margin-bottom:3px}
        .download-row p{color:var(--muted);font-size:13px;margin:0}
        .device-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 22px}
        .tag{display:inline-block;padding:4px 10px;border-radius:30px;font-size:11px;font-weight:800;background:var(--teal-soft);color:var(--teal-deep)}
        .steps-section{background:#fff}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
        .step{padding:28px 24px;min-height:190px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-number{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--coral-soft);color:var(--coral);font-weight:850;margin-bottom:22px}
        .step p{font-size:13px;color:var(--muted);margin-bottom:0}
        .note{margin-top:20px;padding:15px 18px;background:var(--teal-soft);border-left:4px solid var(--teal);border-radius:8px;color:#386762;font-size:14px}
        .feature-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
        .feature-copy{background:var(--coral-soft);border:1px solid #f7d8ca;border-radius:var(--radius-lg);padding:34px}
        .feature-copy p{color:#6f6663}
        .check-list{list-style:none;padding:0;margin:23px 0 0}
        .check-list li{display:flex;gap:10px;margin:12px 0;color:#40565a}
        .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 22px;height:22px;border-radius:50%;background:var(--teal);color:#fff;font-size:12px;font-weight:800}
        .info-box{border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;background:#fff}
        .info-box h3{margin-bottom:18px}
        .info-line{display:flex;gap:15px;padding:15px 0;border-top:1px solid var(--line)}
        .info-line b{min-width:84px;color:var(--dark)}
        .info-line span{color:var(--muted);font-size:14px}
        .faq-section{background:#e8f6f1}
        .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}
        .faq-intro p{color:var(--muted);max-width:330px}
        .faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
        details{border-bottom:1px solid var(--line);padding:0 22px}
        details:last-child{border-bottom:0}
        summary{list-style:none;cursor:pointer;padding:20px 25px 20px 0;font-weight:780;color:var(--dark);position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;color:var(--teal);font-size:22px;font-weight:400}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;padding:0 20px 20px 0;margin:0}
        .cta{padding:34px 0}
        .cta-inner{background:var(--teal);border-radius:var(--radius-lg);padding:30px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff}
        .cta-inner h2{color:#fff;margin:0 0 5px;font-size:28px}
        .cta-inner p{color:#d6f2ec;margin:0}
        .cta-inner .btn{background:#fff;color:var(--teal-deep)}
        footer{background:var(--dark);color:#d8ebe6;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:20px;font-weight:850;color:#fff;margin-bottom:12px}
        footer p{color:#a8c5bf;font-size:13px;max-width:300px}
        footer h3{color:#fff;font-size:15px;margin-bottom:14px}
        footer a{display:block;color:#a8c5bf;font-size:13px;margin:9px 0;transition:.2s}
        footer a:hover{color:#fff;padding-left:3px}
        .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#91b2aa;font-size:12px}
        @media(max-width:1024px){
            .nav-inner{gap:12px}.brand{min-width:220px}.nav-links>a,.nav-drop>span{padding:9px 8px;font-size:13px}
            .hero-grid,.feature-strip{gap:35px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .topbar{height:68px}.nav-inner{justify-content:space-between}.brand{min-width:0;font-size:14px}.brand small{font-size:8px}.brand-mark{width:34px;height:34px;font-size:16px}
            .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px 16px;flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links>a,.nav-drop>span{display:block}.nav-drop .drop-menu{position:static;width:auto;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 12px}.nav-drop:hover .drop-menu{display:block}
            .nav-inner>.btn{display:none}.page-hero{padding:55px 0 45px}.hero-grid,.download-panel,.feature-strip,.faq-grid{grid-template-columns:1fr;gap:26px}
            h1{font-size:39px}.hero-copy{font-size:15px}.device-stage{min-height:340px}.section-head{display:block}.section-head p{margin-top:10px}
            section{padding:58px 0}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
            .download-card,.download-options,.feature-copy,.info-box{padding:25px}.cta-inner{display:block;padding:27px}.cta-inner .btn{margin-top:20px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin:7px 0}
        }
        @media(max-width:520px){
            .hero-actions .btn{width:100%}.download-row{align-items:flex-start}.qr-box{width:78px;height:78px;flex-basis:78px}.option-title{align-items:flex-start;display:block}.status{display:inline-block;margin-top:10px}
            .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
        }

/* roulang page: category5 */
:root{
            --teal:#08a993;
            --teal-deep:#067d71;
            --teal-soft:#dff7f1;
            --coral:#f47f5c;
            --coral-soft:#fff0e9;
            --ink:#17262b;
            --muted:#66777b;
            --paper:#f5f8f6;
            --white:#fff;
            --line:#dce8e4;
            --dark:#12383a;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:10px;
            --shadow:0 16px 40px rgba(22,68,66,.09);
            --shadow-soft:0 8px 24px rgba(22,68,66,.06);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        a:focus,button:focus,input:focus{outline:3px solid rgba(8,169,147,.28);outline-offset:3px}
        .container{width:min(calc(100% - 40px),var(--container));margin:auto}
        .topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-inner{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;color:var(--dark);font-weight:800;line-height:1.2}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:4px 5px 0 #b8ebe0}
        .brand small{display:block;color:var(--teal-deep);font-size:10px;letter-spacing:.08em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:4px;flex:1}
        .nav-links>a,.nav-drop>span{padding:10px 13px;border-radius:9px;color:#526467;font-weight:650;transition:.2s}
        .nav-links>a:hover,.nav-drop:hover>span,.nav-links>a.active{color:var(--teal-deep);background:var(--teal-soft)}
        .nav-drop{position:relative}
        .nav-drop>span{display:block;cursor:default}
        .drop-menu{position:absolute;top:45px;left:0;width:220px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.2s}
        .nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:none}
        .drop-menu a{display:block;padding:9px 11px;border-radius:8px;color:var(--muted)}
        .drop-menu a:hover{background:var(--teal-soft);color:var(--teal-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:10px;font-weight:750;transition:.2s;border:1px solid transparent}
        .btn:hover{transform:translateY(-2px)}
        .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(8,169,147,.2)}
        .btn-primary:hover{background:var(--teal-deep);color:#fff}
        .btn-coral{background:var(--coral);color:#fff}
        .btn-coral:hover{background:#df6848;color:#fff}
        .btn-outline{border-color:var(--line);background:#fff;color:var(--teal-deep)}
        .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-deep);width:44px;height:44px;border-radius:9px;font-size:21px}
        .page-hero{padding:76px 0 68px;background:#e8f6f1;position:relative;overflow:hidden}
        .page-hero:after{content:"PG";position:absolute;right:7%;bottom:-55px;color:rgba(8,169,147,.09);font-size:230px;font-weight:900;line-height:1}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{color:var(--teal-deep);font-size:12px;font-weight:850;letter-spacing:.1em}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:15px}
        .eyebrow:before{content:"";width:24px;height:3px;border-radius:4px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,4.4vw,52px);line-height:1.2;letter-spacing:-.04em;margin-bottom:20px;color:var(--dark);max-width:650px}
        h2{font-size:clamp(25px,3vw,32px);line-height:1.3;color:var(--dark);margin-bottom:10px}
        h3{font-size:19px;line-height:1.4;color:var(--dark);margin-bottom:8px}
        .hero-copy{font-size:17px;color:#506568;max-width:590px;margin-bottom:27px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .guide-panel{background:var(--dark);border-radius:22px;padding:28px;color:#eafff7;box-shadow:var(--shadow);transform:rotate(1deg)}
        .guide-panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.16)}
        .guide-panel-top strong{font-size:20px}
        .status{font-size:12px;background:#b8ebe0;color:var(--dark);padding:5px 10px;border-radius:30px;font-weight:800}
        .step-preview{display:flex;gap:15px;align-items:flex-start;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.13)}
        .step-preview:last-child{border-bottom:0;padding-bottom:0}
        .step-number{width:32px;height:32px;flex:none;border-radius:10px;background:var(--coral);display:grid;place-items:center;color:#fff;font-weight:800}
        .step-preview b{display:block;font-size:16px;margin-bottom:2px}
        .step-preview span{font-size:13px;color:#b5d4ce}
        section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-head p{color:var(--muted);max-width:480px;margin-bottom:0}
        .guide-layout{display:grid;grid-template-columns:285px 1fr;gap:22px;align-items:start}
        .guide-nav{position:sticky;top:102px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:12px}
        .guide-nav a{display:flex;align-items:center;gap:11px;padding:14px 13px;border-radius:10px;color:var(--muted);font-weight:700;transition:.2s}
        .guide-nav a:hover,.guide-nav a.active{background:var(--teal-soft);color:var(--teal-deep)}
        .guide-nav i{font-style:normal;width:25px;height:25px;border-radius:8px;background:#edf4f1;display:grid;place-items:center;font-size:12px}
        .guide-nav .active i{background:var(--teal);color:#fff}
        .guide-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 38px}
        .content-intro{color:var(--muted);max-width:720px;margin-bottom:26px}
        .content-block{padding:25px 0;border-top:1px solid var(--line)}
        .content-block:first-of-type{border-top:0;padding-top:0}
        .content-block p{color:var(--muted);margin-bottom:10px}
        .check-list{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
        .check-list li{position:relative;padding-left:25px;color:#526467}
        .check-list li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--teal);font-weight:900}
        .tip-box{margin-top:18px;padding:16px 18px;border-radius:12px;background:var(--coral-soft);border-left:4px solid var(--coral);color:#795447}
        .tip-box strong{color:#bd5d40}
        .features{background:#fff}
        .feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .feature-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);transition:.25s}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);background:#fff}
        .feature-icon{width:43px;height:43px;border-radius:13px;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;font-size:20px;margin-bottom:17px}
        .feature-card:nth-child(2) .feature-icon{background:var(--coral-soft);color:#d96445}
        .feature-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .device-section{background:#e8f6f1}
        .device-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
        .device-art{min-height:270px;border-radius:22px;background:var(--dark);padding:27px;position:relative;overflow:hidden;color:#fff}
        .device-art:before{content:"";position:absolute;width:220px;height:220px;border:35px solid rgba(255,255,255,.08);border-radius:50%;right:-55px;top:-70px}
        .mini-screen{position:relative;z-index:1;background:#f7fffc;color:var(--dark);border-radius:15px;padding:17px;max-width:280px;box-shadow:10px 12px 0 rgba(8,169,147,.35)}
        .mini-screen strong{display:block;margin-bottom:14px}
        .mini-row{display:flex;align-items:center;gap:9px;border-top:1px solid var(--line);padding:11px 0;font-size:13px}
        .mini-dot{width:27px;height:27px;border-radius:8px;background:var(--coral);flex:none}
        .device-copy p{color:var(--muted);max-width:560px}
        .device-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 24px}
        .tag{display:inline-block;padding:5px 11px;border-radius:30px;background:#fff;color:var(--teal-deep);font-size:12px;font-weight:800;border:1px solid #c9e9e0}
        .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
        .faq-lead p{color:var(--muted)}
        .faq-list{display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
        .faq-item summary{cursor:pointer;list-style:none;padding:17px 20px;font-weight:750;color:var(--dark);position:relative;padding-right:50px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";position:absolute;right:20px;color:var(--teal);font-size:20px;font-weight:400}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
        .cta{padding:30px 0 85px}
        .cta-box{border-radius:20px;background:var(--dark);color:#fff;padding:36px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta-box h2{color:#fff;margin-bottom:6px}
        .cta-box p{color:#b5d4ce;margin:0}
        footer{background:var(--dark);color:#d8ebe6;padding:54px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
        .footer-brand{font-weight:850;color:#fff;font-size:18px;margin-bottom:12px}
        footer p{color:#a9c4be;font-size:13px;max-width:310px}
        footer h3{font-size:14px;color:#fff;margin-bottom:12px}
        footer a{display:block;color:#a9c4be;font-size:13px;margin:7px 0;transition:.2s}
        footer a:hover{color:#70e0cb;text-decoration:underline}
        .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#91ada7;font-size:12px}
        @media(max-width:1024px){
            .brand{min-width:220px}.nav-inner{gap:15px}.nav-links>a,.nav-drop>span{padding:9px 8px;font-size:14px}
            .hero-inner{gap:35px}.guide-layout{grid-template-columns:235px 1fr}.device-grid{gap:30px}
        }
        @media(max-width:768px){
            .topbar{height:68px}.nav-inner{justify-content:space-between}.brand{min-width:0;font-size:14px}.brand-mark{width:35px;height:35px}
            .brand small{font-size:8px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links>a,.nav-drop>span{display:block;padding:12px}.nav-drop .drop-menu{position:static;width:auto;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:2px 0 2px 15px}.nav-drop>span{cursor:pointer}
            .nav-inner>.btn{display:none}.page-hero{padding:58px 0 52px}.hero-inner,.guide-layout,.device-grid,.faq-wrap{grid-template-columns:1fr}.hero-inner{gap:35px}.guide-panel{transform:none}.guide-nav{position:static;display:flex;overflow:auto;gap:4px;padding:8px}.guide-nav a{white-space:nowrap;padding:10px 12px}.guide-content{padding:26px 22px}.feature-strip{grid-template-columns:1fr}.check-list{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:10px}.cta-box{display:block;padding:29px 25px}.cta-box .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            .container{width:min(calc(100% - 30px),var(--container))}h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}section{padding:58px 0}.guide-content{padding:22px 18px}.footer-grid{grid-template-columns:1fr}.page-hero:after{font-size:150px;right:-10px}
        }

/* 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}