/* roulang page: index */
:root{
            --ink:#242321;
            --ink-soft:#4e4a45;
            --muted:#817b73;
            --paper:#f7f3ed;
            --paper-deep:#eee7dc;
            --dark:#20201e;
            --dark-2:#2b2a27;
            --orange:#ed704b;
            --orange-deep:#cf5637;
            --mint:#8abcae;
            --mint-light:#dcebe4;
            --line:#ddd4c8;
            --white:#fffdf9;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 42px rgba(42,32,24,.1);
            --shadow-soft:0 8px 24px rgba(42,32,24,.07);
            --max:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(237,112,75,.55);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
        .brand-name{font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-name small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:.25s}
        .nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.08)}
        .nav a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
        .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
        .hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:88px 0 76px}
        .hero:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(138,188,174,.25);border-radius:50%;right:-120px;top:-210px}
        .hero:after{content:"";position:absolute;width:230px;height:230px;background:var(--orange);opacity:.12;transform:rotate(30deg);right:16%;bottom:-160px}
        .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        h1{font-size:clamp(38px,4.5vw,58px);line-height:1.18;letter-spacing:-2px;margin:22px 0 22px;max-width:700px}
        .hero-copy{color:#c7c2b9;max-width:610px;font-size:17px}
        .actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
        .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s;border:1px solid transparent}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
        .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
        .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
        .hero-note{display:flex;gap:22px;margin-top:30px;color:#aaa59d;font-size:13px}
        .hero-note strong{display:block;color:#eee;font-size:18px;line-height:1.2}
        .visual-board{background:#e8dfd2;border-radius:24px;padding:17px;color:var(--ink);box-shadow:var(--shadow);transform:rotate(1deg)}
        .board-head{display:flex;justify-content:space-between;align-items:center;padding:8px 8px 15px;font-size:13px;font-weight:700}
        .board-head span:last-child{color:var(--orange-deep)}
        .board-body{background:var(--dark-2);border-radius:16px;padding:25px;min-height:320px;position:relative;overflow:hidden}
        .board-body:before{content:"";position:absolute;inset:25px;background:repeating-linear-gradient(90deg,transparent 0 38px,rgba(255,255,255,.04) 39px 40px),repeating-linear-gradient(0deg,transparent 0 38px,rgba(255,255,255,.04) 39px 40px)}
        .board-title{position:relative;z-index:1;color:#fff;font-size:25px;font-weight:800;margin-bottom:28px}
        .board-pills{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:10px}
        .board-pills div{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:14px;color:#ded8cf}
        .board-pills b{display:block;color:#fff;margin-bottom:3px}
        .board-pills span{font-size:12px;color:#a9a39b}
        .board-line{position:relative;z-index:1;margin-top:27px;height:7px;background:#45433f;border-radius:10px;overflow:hidden}
        .board-line i{display:block;width:68%;height:100%;background:var(--orange);border-radius:10px}
        .quick{background:var(--white);border-bottom:1px solid var(--line)}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
        .quick a{display:flex;align-items:center;gap:14px;padding:23px 19px;border-right:1px solid var(--line);transition:.25s}
        .quick a:first-child{border-left:1px solid var(--line)}
        .quick a:hover{background:var(--mint-light)}
        .quick-icon{width:38px;height:38px;border-radius:10px;background:var(--paper-deep);display:grid;place-items:center;color:var(--orange-deep);font-weight:900;font-size:18px}
        .quick strong{display:block;font-size:15px}.quick span{display:block;color:var(--muted);font-size:12px}
        .section{padding:92px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}
        h2{font-size:34px;line-height:1.25;letter-spacing:-1px;margin-top:10px}
        .section-intro{color:var(--muted);max-width:480px}
        .text-link{color:var(--orange-deep);font-weight:700;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .feature-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:18px}
        .feature-card,.mini-card{border-radius:var(--radius);overflow:hidden;position:relative;min-height:320px}
        .feature-card{background:var(--dark);color:#fff;padding:31px;display:flex;align-items:end}
        .feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(237,112,75,.55),transparent 43%),linear-gradient(0deg,rgba(20,20,18,.94),transparent 70%)}
        .feature-art{position:absolute;right:30px;top:32px;width:180px;height:145px;border:1px solid rgba(255,255,255,.3);border-radius:50%;transform:rotate(-20deg)}
        .feature-art:after{content:"";position:absolute;width:80px;height:80px;background:var(--mint);border-radius:50%;right:18px;top:25px;opacity:.72}
        .feature-content{position:relative;z-index:1;max-width:510px}
        .tag{display:inline-block;border-radius:30px;padding:4px 10px;font-size:12px;font-weight:700;background:var(--mint-light);color:#327263}
        .tag.orange{background:#ffe0d6;color:#b4482e}.tag.dark{background:rgba(255,255,255,.13);color:#fff}
        .feature-card h3{font-size:27px;margin:13px 0 8px}.feature-card p{color:#d0cbc2;font-size:14px}
        .mini-stack{display:grid;gap:18px}.mini-card{min-height:151px;background:var(--paper-deep);padding:25px;transition:.25s}
        .mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .mini-card:nth-child(2){background:var(--mint-light)}
        .mini-card h3{font-size:20px;margin:9px 0 3px}.mini-card p{font-size:13px;color:var(--muted)}
        .path-section{background:#e9e2d7}.path-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:65px;align-items:center}
        .path-copy p{color:var(--muted);margin-top:18px}.path-list{border-top:1px solid #cfc4b6}
        .path-item{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #cfc4b6}
        .path-num{font-size:25px;color:var(--orange-deep);font-weight:800}.path-item h3{font-size:19px}.path-item p{font-size:14px;color:var(--muted);margin-top:3px}
        .news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:45px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.2s}
        .news-item:hover{padding-left:8px;background:rgba(255,255,255,.35)}
        .news-date{color:var(--orange-deep);font-size:13px;font-weight:700}.news-date b{display:block;font-size:25px;line-height:1.1}
        .news-item h3{font-size:17px;line-height:1.4}.news-item p{font-size:13px;color:var(--muted);margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-arrow{font-size:20px;color:var(--muted)}.empty{padding:34px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);text-align:center}
        .news-aside{background:var(--dark);color:#fff;border-radius:var(--radius);padding:30px;min-height:280px}.news-aside p{color:#bbb6ae;font-size:14px;margin:14px 0 25px}.aside-list{list-style:none}.aside-list li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#ddd5cb;font-size:14px}
        .categories{background:var(--white)}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.category-card{padding:22px 18px;border:1px solid var(--line);border-radius:14px;transition:.25s}.category-card:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow-soft)}.category-card b{display:block;font-size:16px;margin:14px 0 4px}.category-card span{font-size:12px;color:var(--muted)}.category-symbol{color:var(--orange);font-size:23px}
        .download{padding:78px 0;background:var(--dark);color:#fff}.download-box{display:grid;grid-template-columns:1fr 270px 180px;align-items:center;gap:45px}.download h2{margin:11px 0 14px}.download p{color:#bbb6ae;font-size:15px}.download .section-kicker{color:var(--mint)}.platforms{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap}.platforms span{border:1px solid rgba(255,255,255,.2);padding:5px 11px;border-radius:20px;color:#d3cdc4;font-size:12px}.qr{width:154px;height:154px;background:#fff;border-radius:12px;padding:12px;display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.qr i{background:var(--dark)}.qr i:nth-child(3n),.qr i:nth-child(5n){background:var(--orange)}.download-note{font-size:12px!important;color:#97928a!important;margin-top:10px!important}
        .faq-wrap{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:none;text-align:left;padding:22px 5px;display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--ink);font-size:16px}.faq-q span{font-size:23px;color:var(--orange);transition:.25s}.faq-a{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease;padding:0 5px}.faq-item.open .faq-a{max-height:120px;padding-bottom:19px}.faq-item.open .faq-q span{transform:rotate(45deg)}
        .cta{padding:76px 0}.cta-box{background:var(--orange);border-radius:var(--radius);padding:43px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.25);border-radius:50%;right:80px;top:-120px}.cta-box h2{position:relative;z-index:1}.cta-box p{margin-top:7px;color:#ffece5;position:relative;z-index:1}.cta-box .btn{background:var(--dark);position:relative;z-index:1;white-space:nowrap}.cta-box .btn:hover{background:#000;transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:45px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand p{color:#aaa59d;font-size:13px;max-width:290px;margin-top:14px}.footer h3{font-size:14px;margin-bottom:15px}.footer a{display:block;color:#aaa59d;font-size:13px;margin:8px 0;transition:.2s}.footer a:hover{color:var(--orange)}.copyright{display:flex;justify-content:space-between;gap:20px;color:#817c75;font-size:12px;padding-top:22px}.back-top{color:var(--mint)!important}
        @media(max-width:1200px){.nav-wrap{gap:12px}.brand{min-width:220px}.nav a{padding:10px 8px}.hero-grid{gap:40px}}
        @media(max-width:900px){.nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--dark);padding:15px 24px 22px;border-bottom:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:13px 12px}.nav-cta{text-align:center}.menu-btn{display:block;margin-left:auto}.hero{padding:65px 0}.hero-grid,.path-grid,.news-layout{grid-template-columns:1fr}.visual-board{max-width:560px}.category-grid{grid-template-columns:repeat(3,1fr)}.download-box{grid-template-columns:1fr 190px;gap:25px}.download-box .qr{grid-column:2;grid-row:1/3;margin:auto}.download-box .download-copy{grid-column:1}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
        @media(max-width:600px){.container{width:min(100% - 32px,var(--max))}.topbar{height:68px}.brand{min-width:0}.brand-name{font-size:13px}.brand-name small{display:none}.brand-mark{width:34px;height:34px}.nav{top:68px}.hero{padding:49px 0 55px}h1{font-size:36px;letter-spacing:-1.4px}.hero-copy{font-size:15px}.hero-note{gap:15px}.quick-grid{grid-template-columns:1fr 1fr}.quick a{padding:17px 12px;gap:9px}.quick a:first-child{border-left:0}.quick a:nth-child(2){border-right:0}.quick a:nth-child(-n+2){border-bottom:1px solid var(--line)}.section{padding:63px 0}.section-head{display:block;margin-bottom:24px}h2{font-size:28px}.section-intro{margin-top:10px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:300px}.mini-card{min-height:145px}.news-item{grid-template-columns:70px 1fr auto;gap:9px}.news-date b{font-size:20px}.news-item h3{font-size:15px}.news-item p{font-size:12px;-webkit-line-clamp:2}.news-arrow{font-size:17px}.category-grid{grid-template-columns:1fr 1fr}.category-card{padding:17px 14px}.download{padding:58px 0}.download-box{display:block}.download-box .qr{margin:25px 0 8px}.cta-box{display:block;padding:32px 25px}.cta-box .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
        @media(max-width:400px){.quick a{font-size:13px}.quick span{font-size:11px}.category-grid{gap:8px}.category-card b{font-size:14px}.category-card span{font-size:11px}}

/* roulang page: article */
:root{
            --ink:#242321;
            --ink-soft:#4e4a45;
            --muted:#817b73;
            --paper:#f7f3ed;
            --paper-deep:#eee7dc;
            --dark:#20201e;
            --dark-2:#2b2a27;
            --orange:#ed704b;
            --orange-deep:#cf5637;
            --mint:#8abcae;
            --mint-light:#dcebe4;
            --line:#ddd4c8;
            --white:#fffdf9;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 42px rgba(42,32,24,.1);
            --shadow-soft:0 8px 24px rgba(42,32,24,.07);
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            background:var(--paper);
            color:var(--ink);
            font-size:16px;
            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}
        :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .topbar{
            height:76px;
            background:rgba(32,32,30,.98);
            color:#fff;
            position:sticky;
            top:0;
            z-index:20;
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{
            width:38px;height:38px;border-radius:11px;background:var(--orange);
            display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;
            transform:rotate(-5deg);flex:none
        }
        .brand-name{font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-name small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{
            position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;
            border-radius:9px;transition:.25s
        }
        .nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.08)}
        .nav a.active:after{
            content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);
            position:absolute;bottom:2px;left:50%;transform:translateX(-50%)
        }
        .btn{
            min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;
            align-items:center;justify-content:center;gap:8px;font-weight:700;
            transition:.25s;border:1px solid transparent
        }
        .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
        .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
        .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
        .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
        .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
        .article-hero{
            background:var(--dark);color:#fff;padding:68px 0 64px;
            position:relative;overflow:hidden
        }
        .article-hero:before{
            content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(138,188,174,.22);
            border-radius:50%;right:-130px;top:-220px
        }
        .article-hero:after{
            content:"";position:absolute;width:210px;height:210px;background:var(--orange);
            opacity:.12;transform:rotate(35deg);right:17%;bottom:-155px
        }
        .hero-inner{position:relative;z-index:1;max-width:900px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;font-size:13px;
            letter-spacing:1.2px;color:var(--mint);font-weight:700
        }
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .breadcrumb{
            display:flex;align-items:center;gap:10px;flex-wrap:wrap;
            color:#aaa59d;font-size:13px;margin-bottom:22px
        }
        .breadcrumb a:hover{color:#fff}
        .breadcrumb .current{color:#e9e3da;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
        .article-hero h1{
            font-size:clamp(34px,5vw,54px);line-height:1.22;letter-spacing:-1.5px;
            margin:15px 0 20px;max-width:850px
        }
        .hero-description{color:#c7c2b9;max-width:780px;font-size:17px;margin:0}
        .article-meta{
            display:flex;align-items:center;gap:18px;flex-wrap:wrap;
            margin-top:28px;color:#aaa59d;font-size:13px
        }
        .meta-divider{width:4px;height:4px;border-radius:50%;background:var(--orange)}
        .tag{
            display:inline-block;border-radius:30px;padding:4px 10px;font-size:12px;
            font-weight:700;background:var(--mint-light);color:#327263
        }
        .tag.orange{background:#ffe0d6;color:#b4482e}
        .reading-layout{
            display:grid;grid-template-columns:minmax(0,820px) 280px;gap:54px;
            align-items:start;padding:76px 0 90px
        }
        .article-content{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
            padding:clamp(26px,5vw,58px);box-shadow:var(--shadow-soft);min-width:0
        }
        .article-content h2{
            font-size:30px;line-height:1.35;margin:38px 0 15px;color:var(--ink)
        }
        .article-content h3{font-size:22px;line-height:1.4;margin:30px 0 12px}
        .article-content p{color:var(--ink-soft);margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:25px;color:var(--ink-soft);margin:0 0 22px}
        .article-content li{margin:7px 0}
        .article-content blockquote{
            margin:28px 0;padding:20px 24px;border-left:4px solid var(--orange);
            background:#fff1eb;color:var(--ink-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0
        }
        .article-content img{width:100%;border-radius:var(--radius-sm);margin:25px 0 8px}
        .article-content table{width:100%;border-collapse:collapse;margin:25px 0;color:var(--ink-soft)}
        .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
        .article-content th{background:var(--paper-deep);color:var(--ink);font-weight:700}
        .article-content a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:3px}
        .article-content .notice{
            background:var(--mint-light);border-radius:var(--radius-sm);padding:18px 20px;
            margin:25px 0;color:#315f54
        }
        .article-tools{
            display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
            padding-top:28px;margin-top:35px;border-top:1px solid var(--line)
        }
        .tool-link{
            display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);
            font-weight:700;font-size:14px
        }
        .tool-link:hover{text-decoration:underline}
        .side-panel{
            position:sticky;top:103px;background:var(--dark);color:#fff;
            border-radius:var(--radius);padding:25px
        }
        .side-panel h2{font-size:20px;margin:0 0 16px}
        .side-panel p{font-size:14px;color:#c5c0b7;margin:0 0 21px}
        .side-list{list-style:none;padding:0;margin:0 0 22px;border-top:1px solid rgba(255,255,255,.12)}
        .side-list li{border-bottom:1px solid rgba(255,255,255,.12)}
        .side-list a{display:block;padding:12px 0;color:#d9d3ca;font-size:14px;transition:.2s}
        .side-list a:hover{color:var(--mint);padding-left:4px}
        .side-panel .btn{width:100%;font-size:14px}
        .recommend{padding:78px 0;background:var(--paper-deep)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.3;margin:8px 0 0}
        .section-intro{color:var(--muted);max-width:490px;margin:0}
        .recommend-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
        .recommend-feature{
            background:var(--dark);color:#fff;border-radius:var(--radius);padding:30px;
            min-height:240px;display:flex;flex-direction:column;justify-content:end;
            position:relative;overflow:hidden
        }
        .recommend-feature:before{
            content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(138,188,174,.45);
            border-radius:50%;right:-32px;top:-60px
        }
        .recommend-feature h3,.recommend-feature p,.recommend-feature .tag{position:relative;z-index:1}
        .recommend-feature h3{font-size:25px;margin:14px 0 7px}
        .recommend-feature p{color:#c9c3bb;font-size:14px;margin:0}
        .recommend-list{display:grid;gap:12px}
        .recommend-item{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
            padding:18px 20px;transition:.25s
        }
        .recommend-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--orange)}
        .recommend-item h3{font-size:17px;line-height:1.45;margin:9px 0 5px}
        .recommend-item p{font-size:13px;color:var(--muted);margin:0}
        .download-strip{padding:62px 0}
        .download-box{
            background:var(--mint-light);border-radius:var(--radius);padding:30px 34px;
            display:flex;align-items:center;justify-content:space-between;gap:28px;
            border:1px solid #c7ded4
        }
        .download-box h2{font-size:25px;margin:0 0 6px}
        .download-box p{color:#4c7168;margin:0;font-size:14px}
        .download-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
        footer{background:var(--dark);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{color:#aaa59d;font-size:14px;max-width:330px;margin:0}
        footer h3{font-size:15px;margin:4px 0 13px;color:#fff}
        footer .footer-grid>div:not(.footer-brand) a{display:block;color:#aaa59d;font-size:14px;padding:4px 0;transition:.2s}
        footer .footer-grid>div:not(.footer-brand) a:hover{color:var(--mint);transform:translateX(3px)}
        .copyright{
            display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;
            border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:19px;
            color:#817c74;font-size:12px
        }
        .empty-state{text-align:center;padding:45px 20px;background:var(--paper-deep);border-radius:var(--radius-sm);color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink);font-size:20px;margin-bottom:8px}
        @media(max-width:1100px){
            .nav-wrap{gap:14px}.brand{min-width:220px}.nav a{padding:9px 8px;font-size:13px}
            .reading-layout{grid-template-columns:minmax(0,1fr) 245px;gap:30px}
        }
        @media(max-width:820px){
            .topbar{height:68px}.container{width:min(var(--max),calc(100% - 34px))}
            .menu-btn{display:block;margin-left:auto}
            .nav{
                display:none;position:absolute;left:17px;right:17px;top:68px;
                background:var(--dark-2);padding:12px;border-radius:0 0 15px 15px;
                flex-direction:column;align-items:stretch;box-shadow:var(--shadow)
            }
            .nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{display:none}
            .brand{min-width:0}.brand-name{font-size:14px}.brand-name small{font-size:9px}
            .article-hero{padding:48px 0 50px}.reading-layout{display:block;padding:48px 0 60px}
            .side-panel{position:static;margin-top:25px}.recommend{padding:55px 0}
            .download-box{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1.7fr 1fr 1fr}
            .footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            body{font-size:15px}.container{width:calc(100% - 28px)}
            .brand-mark{width:34px;height:34px;font-size:18px}.brand-name{font-size:13px}
            .brand-name small{letter-spacing:0;font-size:8px}
            .article-hero h1{font-size:34px;letter-spacing:-.8px}
            .hero-description{font-size:15px}.article-content{padding:23px 19px}
            .article-content h2{font-size:25px}.article-content h3{font-size:20px}
            .breadcrumb .current{max-width:220px}
            .recommend-grid{grid-template-columns:1fr}.section-head{display:block}
            .section-intro{margin-top:10px}.download-box{padding:24px 20px}
            .download-actions,.download-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
            .copyright{display:block}.copyright span{display:block;margin-bottom:6px}
        }

/* roulang page: index */
:root{
  --ink:#211f1c;
  --ink-soft:#403b35;
  --paper:#f8f3eb;
  --paper-deep:#eee4d7;
  --charcoal:#252421;
  --charcoal-2:#302e2a;
  --orange:#ee704d;
  --orange-dark:#c95336;
  --mint:#8bc8b7;
  --cream:#fffaf2;
  --muted:#897f74;
  --line:rgba(41,35,28,.14);
  --line-light:rgba(255,255,255,.14);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 16px 42px rgba(40,30,20,.10);
  --ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(37,36,33,.97);color:#fff;border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{border-color:var(--line-light);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;min-width:245px;font-weight:800;letter-spacing:-.03em}
.brand-mark{width:38px;height:38px;background:var(--orange);border-radius:11px;display:grid;place-items:center;color:#fff;font-size:19px;position:relative;overflow:hidden}
.brand-mark:after{content:"";position:absolute;width:18px;height:5px;background:var(--mint);transform:rotate(-45deg);bottom:8px;right:-3px}
.brand-text{font-size:16px;line-height:1.25}
.nav-list{display:flex;align-items:center;gap:4px;flex:1}
.nav-list a{color:#d8d2c9;padding:10px 12px;border-radius:9px;font-size:14px;white-space:nowrap;transition:var(--ease)}
.nav-list a:hover,.nav-list a.active{background:rgba(238,112,77,.15);color:#fff}
.nav-list a.active{position:relative}
.nav-list a.active:after{content:"";position:absolute;bottom:3px;left:12px;right:12px;height:2px;background:var(--orange);border-radius:2px}
.header-action{white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:10px;font-size:14px;font-weight:700;transition:var(--ease);border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#f48260;transform:translateY(-2px);box-shadow:0 9px 20px rgba(238,112,77,.22)}
.btn-outline{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-outline:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
.btn-dark{background:var(--charcoal);color:#fff}
.btn-dark:hover{background:var(--orange);transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:#fff;font-size:26px;padding:5px}
:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
.hero{background:var(--charcoal);color:#fff;overflow:hidden;position:relative}
.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(139,200,183,.18);transform:rotate(23deg);pointer-events:none}
.hero:before{width:480px;height:480px;right:-130px;top:-190px;border-radius:42%}
.hero:after{width:230px;height:230px;left:37%;bottom:-165px;border-radius:35%}
.hero-grid{min-height:575px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:20px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(36px,4.3vw,56px);line-height:1.2;letter-spacing:-.055em;max-width:690px}
.hero-copy{color:#c7c0b6;font-size:17px;max-width:610px;margin:23px 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:22px;margin-top:28px;color:#a9a198;font-size:13px}
.hero-note span{display:flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;background:var(--mint);border-radius:50%}
.portal-panel{background:#f2e9dc;color:var(--ink);border-radius:24px;padding:24px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.panel-label{font-weight:800;font-size:18px}
.live-tag{font-size:12px;color:#277263;background:#d8eee8;padding:5px 10px;border-radius:99px}
.portal-screen{background:#fffaf2;border-radius:16px;padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.screen-feature{grid-column:span 2;background:var(--charcoal);border-radius:12px;color:#fff;padding:20px;min-height:130px;position:relative;overflow:hidden}
.screen-feature:after{content:"C7";position:absolute;right:14px;bottom:-20px;font-size:110px;color:rgba(238,112,77,.2);font-weight:900}
.screen-feature small{color:var(--mint)}
.screen-feature strong{display:block;font-size:23px;margin-top:7px;position:relative;z-index:1}
.screen-card{background:var(--paper-deep);border-radius:11px;padding:14px;min-height:92px}
.screen-card b{font-size:14px;display:block;margin-bottom:6px}
.screen-card span{font-size:12px;color:var(--muted)}
.qr-row{display:flex;align-items:center;gap:14px;margin-top:16px}
.qr{width:66px;height:66px;background:repeating-linear-gradient(45deg,#252421 0 4px,#fffaf2 4px 8px);border:7px solid #fffaf2;outline:1px solid var(--line);border-radius:5px}
.qr-row p{font-size:12px;color:var(--muted);line-height:1.55}
.quick-bar{background:var(--orange);color:#fff}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.quick-link{padding:19px 24px;display:flex;align-items:center;gap:13px;border-right:1px solid rgba(255,255,255,.2);transition:var(--ease)}
.quick-link:last-child{border:0}
.quick-link:hover{background:var(--orange-dark)}
.quick-icon{width:32px;height:32px;border:1px solid rgba(255,255,255,.5);border-radius:9px;display:grid;place-items:center;font-weight:800}
.quick-link b{display:block;font-size:15px}
.quick-link span{display:block;font-size:12px;opacity:.78}
.section{padding:94px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.kicker{color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:7px}
.section h2{font-size:34px;line-height:1.3;letter-spacing:-.04em}
.section-intro{color:var(--muted);max-width:480px;font-size:15px}
.text-link{color:var(--orange-dark);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.feature-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.feature-card{min-height:400px;border-radius:var(--radius);overflow:hidden;background:var(--charcoal);color:#fff;padding:34px;position:relative;display:flex;flex-direction:column;justify-content:flex-end}
.feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(238,112,77,.85),transparent 48%,rgba(0,0,0,.65)),linear-gradient(30deg,#403630,#a97755)}
.feature-card:after{content:"热门内容";position:absolute;right:24px;top:24px;border:1px solid rgba(255,255,255,.45);padding:7px 11px;border-radius:7px;font-size:12px}
.feature-card>*{position:relative;z-index:1}
.feature-card h3{font-size:30px;max-width:510px;line-height:1.3;margin:12px 0}
.feature-card p{color:#eee2d8;max-width:510px}
.card-stack{display:grid;gap:18px}
.mini-card{border:1px solid var(--line);background:var(--cream);border-radius:var(--radius);padding:25px;transition:var(--ease)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(238,112,77,.5)}
.mini-card .mini-mark{height:86px;border-radius:11px;background:var(--paper-deep);margin-bottom:18px;position:relative;overflow:hidden}
.mini-mark:before{content:"";position:absolute;width:90px;height:90px;border:14px solid var(--mint);border-radius:50%;right:17px;top:-37px}
.mini-card h3{font-size:19px;margin-bottom:5px}
.mini-card p{font-size:14px;color:var(--muted)}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-block;padding:4px 9px;background:#f6d8cc;color:#a9432e;border-radius:6px;font-size:12px;font-weight:700}
.badge.mint{background:#d9eee8;color:#297464}
.path-section{background:#e9dfd2}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.path-step{padding:26px 22px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:180px}
.step-no{font-size:13px;color:var(--orange-dark);font-weight:800}
.path-step h3{font-size:20px;margin:25px 0 7px}
.path-step p{color:var(--muted);font-size:14px}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:start}
.news-lead{background:var(--charcoal);color:#fff;border-radius:var(--radius);padding:30px;min-height:290px;display:flex;flex-direction:column;justify-content:flex-end}
.news-lead h3{font-size:25px;line-height:1.4;margin:12px 0}
.news-lead p{color:#cfc6bd;font-size:14px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.news-date{color:var(--orange-dark);font-weight:800;font-size:13px}
.news-date small{display:block;color:var(--muted);font-weight:400}
.news-item h3{font-size:16px;line-height:1.45;margin-bottom:3px}
.news-item p{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arrow{font-size:21px;color:var(--orange-dark)}
.empty-state{padding:28px;background:var(--cream);border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted)}
.empty-state p{margin-bottom:12px}
.category-section{background:var(--cream)}
.category-grid{display:grid;grid-template-columns:1.1fr repeat(2,1fr);gap:14px}
.category-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius-sm);min-height:145px;transition:var(--ease);background:var(--paper)}
.category-card:first-child{background:var(--orange);color:#fff;border-color:var(--orange)}
.category-card:hover{transform:translateY(-3px);border-color:var(--orange)}
.category-card h3{font-size:19px;margin:18px 0 5px}
.category-card p{font-size:13px;color:var(--muted)}
.category-card:first-child p{color:#ffe8df}
.download-section{padding:78px 0}
.download-box{background:var(--charcoal);border-radius:24px;color:#fff;padding:48px;display:grid;grid-template-columns:1fr .75fr;gap:40px;align-items:center;overflow:hidden;position:relative}
.download-box:after{content:"C7";position:absolute;right:30px;bottom:-55px;font-size:260px;font-weight:900;color:rgba(238,112,77,.12)}
.download-box>*{position:relative;z-index:1}
.download-box h2{font-size:33px;line-height:1.3;margin:10px 0 15px}
.download-box p{color:#c9c0b6;max-width:570px}
.platforms{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}
.platform{padding:7px 11px;border:1px solid var(--line-light);border-radius:7px;color:#d9d0c7;font-size:12px}
.download-visual{display:flex;align-items:center;justify-content:center;gap:24px}
.phone{width:145px;height:270px;border:7px solid #4e4a44;border-radius:25px;background:var(--paper);padding:25px 11px 12px;position:relative;box-shadow:0 12px 20px rgba(0,0,0,.25)}
.phone:before{content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);width:38px;height:5px;background:#4e4a44;border-radius:10px}
.phone-screen{height:100%;background:var(--orange);border-radius:14px;padding:14px;color:#fff}
.phone-screen strong{font-size:22px;display:block;margin-top:20px}
.download-qr{background:#fffaf2;padding:10px;border-radius:10px;color:var(--ink);text-align:center}
.download-qr .qr{margin:auto;width:86px;height:86px}
.download-qr small{font-size:11px;display:block;margin-top:7px}
.faq-section{background:var(--paper-deep)}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-grid>div:first-child p{color:var(--muted);margin:18px 0 24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:none;padding:20px 0;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:700;font-size:16px}
.faq-question span{font-size:22px;color:var(--orange-dark);transition:var(--ease)}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-answer{max-height:120px;padding:0 35px 18px 0}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta-section{padding:82px 0;background:var(--orange);color:#fff;position:relative;overflow:hidden}
.cta-section:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.25);border-radius:50%;right:-90px;top:-110px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;z-index:1}
.cta-section h2{font-size:32px;line-height:1.35}
.cta-section p{color:#ffe5dc;margin-top:8px}
.cta-section .btn{background:#fff;color:var(--orange-dark)}
.site-footer{background:var(--charcoal);color:#fff;padding:58px 0 25px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid var(--line-light)}
.footer-brand p{color:#aaa198;font-size:13px;max-width:280px;margin-top:15px}
.footer-col h3{font-size:14px;margin-bottom:15px}
.footer-col a{display:block;color:#aaa198;font-size:13px;margin:8px 0;transition:var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#8d857d;font-size:12px;padding-top:22px}
.back-top{color:var(--mint);cursor:pointer}
.mobile-dock{display:none}
@media(max-width:1200px){.nav-list{gap:0}.nav-list a{padding-left:8px;padding-right:8px}.brand{min-width:220px}.hero-grid{gap:35px}}
@media(max-width:900px){.navbar{height:70px}.brand{min-width:0;flex:1}.nav-list,.header-action{display:none}.menu-toggle{display:block}.nav-list.open{display:flex;position:absolute;top:70px;left:0;right:0;background:var(--charcoal-2);padding:13px 24px 20px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line-light)}.nav-list.open a{padding:12px}.hero-grid{grid-template-columns:1fr;min-height:auto;padding:78px 0 74px}.portal-panel{max-width:570px;width:100%;justify-self:center}.feature-layout,.news-layout,.faq-grid{grid-template-columns:1fr}.path-grid{grid-template-columns:repeat(2,1fr)}.download-box{grid-template-columns:1fr}.download-visual{justify-content:flex-start}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:600px){.container{width:min(100% - 32px,1180px)}.hero h1{font-size:35px}.hero-copy{font-size:15px}.hero-note{gap:12px;flex-direction:column}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-link{padding:15px 13px;border-bottom:1px solid rgba(255,255,255,.2)}.section{padding:64px 0}.section-head{display:block}.section h2{font-size:28px}.section-intro{margin-top:12px}.feature-card{min-height:340px;padding:24px}.feature-card h3{font-size:24px}.path-grid{grid-template-columns:1fr}.news-item{grid-template-columns:65px 1fr auto;gap:10px}.news-item p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.category-grid{grid-template-columns:1fr}.download-box{padding:30px 22px}.download-box h2{font-size:27px}.download-visual{gap:12px}.phone{width:122px;height:230px}.faq-grid{gap:25px}.cta-inner{display:block}.cta-section h2{font-size:27px;margin-bottom:20px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:9px}.mobile-dock{display:flex;position:fixed;bottom:0;left:0;right:0;background:rgba(37,36,33,.98);z-index:30;padding:8px 10px calc(8px + env(safe-area-inset-bottom));justify-content:space-around;border-top:1px solid var(--line-light)}.mobile-dock a{color:#bdb5ab;text-align:center;font-size:11px}.mobile-dock a.active,.mobile-dock a:hover{color:var(--orange)}.mobile-dock b{display:block;font-size:17px;line-height:1.2}}

/* roulang page: article */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;line-height:1.25;letter-spacing:-.4px;white-space:nowrap}
    .brand-text small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:var(--ease)}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important;white-space:nowrap}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .article-hero{background:var(--dark);color:#fff;padding:58px 0 62px;position:relative;overflow:hidden}
    .article-hero:before{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(138,188,174,.25);border-radius:50%;right:-130px;top:-220px}
    .article-hero:after{content:"";position:absolute;width:190px;height:190px;background:var(--orange);opacity:.12;transform:rotate(28deg);left:11%;bottom:-125px}
    .hero-inner{position:relative;z-index:1;max-width:900px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:#a7a199;font-size:13px;margin-bottom:26px;flex-wrap:wrap}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb .current{color:#eee8df;max-width:540px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    h1,h2,h3,p{margin-top:0}
    .article-hero h1{font-size:clamp(32px,5vw,52px);line-height:1.2;letter-spacing:-1.5px;margin:17px 0 22px;max-width:860px}
    .article-summary{color:#c8c1b8;max-width:780px;font-size:17px;margin-bottom:25px}
    .article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#aaa49c;font-size:13px}
    .meta-pill{display:inline-flex;align-items:center;gap:7px}
    .meta-pill strong{color:#f4eee5;font-weight:600}
    .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--orange)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:54px;align-items:start;padding:70px 0 84px}
    .article-main{min-width:0}
    .article-content{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:42px clamp(24px,5vw,58px);box-shadow:var(--shadow-soft);font-size:17px;line-height:1.95;color:var(--ink-soft)}
    .article-content h2{font-size:29px;line-height:1.35;color:var(--ink);margin:34px 0 17px;font-weight:800}
    .article-content h3{font-size:21px;line-height:1.45;color:var(--ink);margin:27px 0 12px;font-weight:800}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 23px}
    .article-content li{margin:7px 0}
    .article-content a{color:var(--orange-deep);font-weight:700;text-decoration:underline;text-underline-offset:3px}
    .article-content blockquote{border-left:4px solid var(--orange);background:#fff1eb;margin:26px 0;padding:17px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink)}
    .article-content img{border-radius:var(--radius-sm);margin:25px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
    .article-content th,.article-content td{padding:11px 13px;border:1px solid var(--line);text-align:left}
    .article-content th{background:var(--paper-deep);color:var(--ink)}
    .empty-state{text-align:center;padding:55px 20px;color:var(--muted)}
    .empty-state h2{margin-bottom:10px;color:var(--ink);font-size:25px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-outline-dark{border-color:var(--line);color:var(--ink)}
    .btn-outline-dark:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px)}
    .article-tools{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px}
    .reading-note{background:var(--mint-light);border-radius:var(--radius-sm);padding:18px 20px;color:#36564d;font-size:14px;margin-bottom:20px}
    .side-panel{position:sticky;top:102px}
    .side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px}
    .side-card h2{font-size:19px;margin-bottom:16px;color:var(--ink)}
    .side-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .side-link{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0;font-size:14px;color:var(--ink-soft);transition:var(--ease)}
    .side-link:hover{color:var(--orange-deep);padding-left:4px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#fff0e9;color:var(--orange-deep);font-size:12px;font-weight:700}
    .related-section{background:var(--paper-deep);padding:64px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:27px}
    .section-kicker{color:var(--orange-deep)}
    .section-head h2{font-size:30px;line-height:1.3;margin:9px 0 0}
    .section-intro{color:var(--muted);max-width:480px;margin:0}
    .related-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:18px}
    .related-feature,.related-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
    .related-feature{background:var(--dark);color:#fff;min-height:210px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
    .related-feature:before{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(138,188,174,.4);border-radius:50%;right:-35px;top:-52px}
    .related-feature>*{position:relative;z-index:1}
    .related-feature h3{font-size:23px;line-height:1.4;margin:15px 0 8px}
    .related-feature p{color:#c7c0b7;font-size:14px;margin-bottom:18px}
    .related-feature .text-link{color:#f5a58e}
    .text-link{color:var(--orange-deep);font-weight:700}
    .text-link:hover{text-decoration:underline}
    .related-list a{display:block;padding:13px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .related-list a:last-child{border-bottom:0}
    .related-list a:hover{color:var(--orange-deep);padding-left:4px}
    .related-list strong{display:block;font-size:15px;line-height:1.5;margin-bottom:3px}
    .related-list span{font-size:12px;color:var(--muted)}
    .download-strip{padding:22px 26px;background:var(--mint-light);border:1px solid rgba(77,120,106,.15);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px}
    .download-strip h2{font-size:20px;margin:0 0 4px}
    .download-strip p{margin:0;color:#55756b;font-size:14px}
    .site-footer{background:var(--dark);color:#fff;padding:56px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px}
    .footer-brand .brand{margin-bottom:18px}
    .footer-brand p{color:#aaa59d;font-size:14px;max-width:290px}
    .footer-col h3{font-size:15px;margin:5px 0 15px;color:#fff}
    .footer-col a{display:block;color:#aaa59d;font-size:14px;margin:9px 0;transition:var(--ease)}
    .footer-col a:hover{color:var(--orange)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#89847c;font-size:12px}
    .back-top{cursor:pointer}
    @media(max-width:1100px){
      .brand{min-width:205px}.nav-wrap{gap:12px}.nav-list a{padding:10px 8px}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .topbar{height:68px}.nav-wrap{justify-content:space-between}
      .brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:9px}
      .menu-btn{display:block}.nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:12px 16px 18px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch;box-shadow:0 12px 25px rgba(0,0,0,.2)}
      .nav-list.open{display:flex}.nav-list a{padding:13px 15px}.nav-cta{text-align:center;margin-top:6px}
      .article-hero{padding:42px 0 48px}.article-hero h1{font-size:34px}
      .article-layout{display:block;padding:42px 0 58px}.side-panel{position:static;margin-top:24px}
      .article-content{padding:28px 22px;font-size:16px}.article-content h2{font-size:25px}
      .related-grid{grid-template-columns:1fr}.download-strip{align-items:flex-start;flex-direction:column}
      .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 24px)}
      .brand-mark{width:34px;height:34px;font-size:18px}.brand-text{font-size:13px}
      .article-hero h1{font-size:29px;letter-spacing:-.8px}.article-summary{font-size:15px}
      .article-meta{gap:9px}.meta-dot{display:none}
      .article-content{padding:24px 17px;border-radius:14px}
      .article-content table{font-size:13px;display:block;overflow-x:auto;white-space:nowrap}
      .article-tools .btn{width:100%}.related-feature,.related-list{padding:21px}
      .footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;letter-spacing:-.4px;line-height:1.25;white-space:nowrap}
    .brand-text small{display:block;font-size:10px;color:#bdb7ae;font-weight:500;letter-spacing:1px}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:.25s}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:22px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:78px 0 70px}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(138,188,174,.23);border-radius:50%;right:-170px;top:-250px}
    .hero:after{content:"";position:absolute;width:260px;height:260px;background:var(--orange);opacity:.12;transform:rotate(30deg);right:20%;bottom:-180px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.15;letter-spacing:-2px;margin:18px 0 20px}
    h2{font-size:clamp(27px,3vw,36px);line-height:1.25;letter-spacing:-1px;margin-bottom:12px}
    h3{font-size:20px;line-height:1.35}
    .hero-copy{color:#c7c2b9;max-width:610px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
    .hero-note{display:flex;gap:25px;margin-top:30px;color:#aaa59d;font-size:13px}
    .hero-note strong{display:block;color:#eee;font-size:18px;line-height:1.2}
    .hero-panel{background:#302e2a;border-radius:var(--radius);padding:27px;position:relative;min-height:310px;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:17px;margin-bottom:22px}
    .panel-title{font-size:21px;font-weight:800;color:#fff}
    .panel-status{font-size:12px;color:var(--mint);background:rgba(138,188,174,.13);padding:5px 9px;border-radius:20px}
    .game-preview{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
    .preview-main{min-height:170px;border-radius:13px;padding:20px;background:linear-gradient(135deg,#d06445,#5c3930 58%,#292826);display:flex;align-items:end;color:#fff;position:relative;overflow:hidden}
    .preview-main:after{content:"C7";position:absolute;right:20px;top:20px;color:rgba(255,255,255,.18);font-size:84px;font-weight:900}
    .preview-main div{position:relative;z-index:1}
    .preview-main b{font-size:23px;display:block}
    .preview-main span{color:#f3d8ca;font-size:13px}
    .preview-side{display:grid;gap:14px}
    .preview-tile{border-radius:13px;padding:15px;background:#403d38;border:1px solid rgba(255,255,255,.08);color:#e8e0d6}
    .preview-tile b{display:block;color:#fff;margin-bottom:4px}
    .preview-tile span{font-size:12px;color:#b9b1a6}
    .section{padding:86px 0}
    .section.alt{background:var(--paper-deep)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
    .section-intro{color:var(--muted);max-width:510px}
    .text-link{color:var(--orange-deep);font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .feature-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .feature-card{min-height:330px;border-radius:var(--radius);padding:32px;background:var(--dark);color:#fff;position:relative;overflow:hidden;display:flex;align-items:end}
    .feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(237,112,75,.65),transparent 42%),linear-gradient(0deg,rgba(20,20,18,.94),transparent 72%)}
    .feature-art{position:absolute;right:40px;top:35px;width:190px;height:145px;border:1px solid rgba(255,255,255,.3);border-radius:50%;transform:rotate(-20deg)}
    .feature-art:after{content:"";position:absolute;width:82px;height:82px;background:var(--mint);border-radius:50%;right:18px;top:25px;opacity:.72}
    .feature-content{position:relative;z-index:1;max-width:500px}
    .tag{display:inline-flex;padding:5px 10px;border-radius:20px;background:var(--mint-light);color:#37685e;font-size:12px;font-weight:700;margin:0 5px 8px 0}
    .tag.orange{background:#f9d6c8;color:#a9422c}
    .feature-content h3{font-size:29px;margin:8px 0 10px}
    .feature-content p{color:#d3cec6;margin-bottom:20px}
    .side-games{display:grid;gap:18px}
    .small-game{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px;transition:.25s}
    .small-game:hover,.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:var(--orange)}
    .small-game .game-icon{width:48px;height:48px;border-radius:14px;background:var(--mint-light);display:grid;place-items:center;color:#31665c;font-weight:900;font-size:21px;margin-bottom:15px}
    .small-game h3{margin-bottom:7px}.small-game p{color:var(--muted);font-size:14px;margin-bottom:12px}
    .directory{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .game-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:21px;transition:.25s;min-height:205px}
    .game-card .cover{height:85px;border-radius:12px;margin-bottom:16px;background:linear-gradient(135deg,#ed704b,#f3b17f);position:relative;overflow:hidden}
    .game-card:nth-child(2) .cover{background:linear-gradient(135deg,#6ba99a,#d4e6cf)}
    .game-card:nth-child(3) .cover{background:linear-gradient(135deg,#4d4a45,#a69c8e)}
    .game-card:nth-child(4) .cover{background:linear-gradient(135deg,#c35c48,#e8c09c)}
    .cover:after{content:"C7";position:absolute;right:13px;bottom:-14px;font-size:70px;color:rgba(255,255,255,.28);font-weight:900}
    .game-card h3{font-size:18px;margin-bottom:6px}.game-card p{font-size:14px;color:var(--muted);margin-bottom:10px}
    .info-strip{background:var(--dark);color:#fff;border-radius:var(--radius);padding:34px 38px;display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center}
    .info-strip p{color:#c7c2b9;margin-bottom:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .step{border-left:2px solid var(--orange);padding-left:15px}.step b{display:block;color:#fff;margin-bottom:5px}.step span{font-size:13px;color:#aaa59d}
    .download-box{display:grid;grid-template-columns:1fr 260px 170px;gap:25px;align-items:center;background:var(--mint-light);border-radius:var(--radius);padding:32px}
    .download-box p{color:#52665e;margin-bottom:15px}.qr{width:138px;height:138px;border:10px solid #fff;background:repeating-linear-gradient(45deg,#252421 0 5px,#fff 5px 10px);box-shadow:var(--shadow-soft)}
    .compat{display:flex;flex-wrap:wrap;gap:8px}.compat span{background:rgba(255,255,255,.78);padding:6px 10px;border-radius:7px;font-size:12px;color:#4d655e}
    .faq-list{max-width:850px;margin:0 auto}.faq-item{border-bottom:1px solid var(--line);padding:4px 0}.faq-item summary{list-style:none;cursor:pointer;font-size:17px;font-weight:700;padding:18px 5px;display:flex;justify-content:space-between}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--orange);font-size:24px;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);padding:0 35px 18px 5px;margin:0}
    .cta{background:#e9d8c8;padding:58px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta p{color:var(--ink-soft);margin:0}
    .site-footer{background:var(--dark);color:#fff;padding:55px 0 22px}.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}.footer-brand p{color:#aaa59d;max-width:280px;font-size:14px;margin-top:18px}.footer-col h3{font-size:15px;margin-bottom:15px}.footer-col a{display:block;color:#aaa59d;font-size:14px;margin:9px 0;transition:.2s}.footer-col a:hover{color:var(--orange)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;color:#8d8880;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    .mobile-dock{display:none}
    @media(max-width:1200px){.nav-wrap{gap:12px}.brand{min-width:225px}.nav-list a{padding:9px 8px}.hero-grid{gap:35px}.directory{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.topbar{height:68px}.nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}.nav-list.open{display:flex}.nav-list a{padding:12px 14px}.nav-cta{margin-top:6px;text-align:center}.menu-btn{display:block;margin-left:auto}.hero{padding:58px 0 52px}.hero-grid,.feature-layout,.info-strip,.download-box{grid-template-columns:1fr}.hero-panel{min-height:270px}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:10px}.game-preview{grid-template-columns:1fr 1fr}.feature-card{min-height:300px}.steps{grid-template-columns:1fr}.download-box{padding:25px}.qr{margin:auto}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
    @media(max-width:480px){h1{font-size:37px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-note{gap:14px}.hero-note strong{font-size:16px}.game-preview{grid-template-columns:1fr}.preview-side{grid-template-columns:1fr 1fr}.directory{grid-template-columns:1fr}.feature-card{padding:24px}.feature-art{right:-30px;top:24px;opacity:.7}.cta-inner{display:block}.cta-inner .btn{margin-top:18px;width:100%}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.mobile-dock{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(32,32,30,.98);border-top:1px solid rgba(255,255,255,.15)}.mobile-dock a{text-align:center;color:#bbb5ac;font-size:11px;padding:8px 2px}.mobile-dock a:first-child,.mobile-dock a:hover{color:var(--orange)}}

/* roulang page: category2 */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;letter-spacing:-.4px;white-space:nowrap;line-height:1.25}
    .brand-text small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:.25s}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    .hero-inner{background:var(--dark);color:#fff;padding:70px 0 66px;position:relative;overflow:hidden}
    .hero-inner:before{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(138,188,174,.25);border-radius:50%;right:-95px;top:-220px}
    .hero-inner:after{content:"";position:absolute;width:190px;height:190px;background:var(--orange);opacity:.12;transform:rotate(38deg);right:24%;bottom:-135px}
    .hero-content{position:relative;z-index:1;max-width:790px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,56px);line-height:1.18;letter-spacing:-1.5px;margin:18px 0 19px;font-weight:850}
    h2{font-size:clamp(27px,3vw,35px);line-height:1.25;letter-spacing:-.8px;margin-bottom:12px}
    h3{font-size:20px;line-height:1.35;margin-bottom:9px}
    .hero-content p{color:#c7c2b9;max-width:700px;font-size:17px;margin-bottom:26px}
    .breadcrumb{font-size:13px;color:#a9a39b;margin-bottom:12px}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb span{margin:0 8px;color:#766f67}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
    .section-head p{color:var(--muted);max-width:510px;margin:0}
    .guide-layout{display:grid;grid-template-columns:245px 1fr;gap:22px;align-items:start}
    .topic-panel{background:var(--dark);color:#fff;border-radius:var(--radius);padding:24px;position:sticky;top:98px}
    .topic-panel h3{font-size:18px;margin-bottom:18px}
    .topic-panel a{display:flex;justify-content:space-between;align-items:center;color:#c7c2b9;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;transition:.2s}
    .topic-panel a:last-child{border-bottom:0}
    .topic-panel a:hover,.topic-panel a.active{color:var(--orange)}
    .topic-panel b{font-size:12px;color:var(--mint);font-weight:600}
    .guide-main{display:grid;grid-template-columns:1.18fr .82fr;gap:18px}
    .guide-feature{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;min-height:365px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow-soft)}
    .guide-feature:hover,.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .guide-feature,.guide-card{transition:.25s}
    .feature-top{display:flex;justify-content:space-between;gap:14px;align-items:start}
    .tag{display:inline-flex;padding:5px 10px;border-radius:30px;background:var(--mint-light);color:#397265;font-size:12px;font-weight:700}
    .tag.orange{background:#fbe0d5;color:var(--orange-deep)}
    .guide-feature .number{font-size:64px;line-height:1;color:var(--paper-deep);font-weight:900}
    .guide-feature h3{font-size:27px;max-width:430px}
    .guide-feature p,.guide-card p{color:var(--muted);font-size:14px;margin-bottom:17px}
    .text-link{color:var(--orange-deep);font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .guide-stack{display:grid;gap:18px}
    .guide-card{background:#fffaf2;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;min-height:173px}
    .guide-card .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:18px}
    .guide-card h3{font-size:19px}
    .steps{background:var(--paper-deep);padding:82px 0}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .step{background:var(--paper);padding:27px 23px;min-height:190px}
    .step-no{width:35px;height:35px;display:grid;place-items:center;background:var(--orange);color:#fff;border-radius:10px;font-weight:800;margin-bottom:22px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .tips-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
    .tips-card{background:var(--dark);color:#fff;border-radius:var(--radius);padding:31px}
    .tips-card p{color:#c7c2b9}
    .tips-list{list-style:none;padding:0;margin:25px 0 0}
    .tips-list li{padding:14px 0 14px 27px;border-top:1px solid rgba(255,255,255,.13);position:relative;color:#ddd8d0}
    .tips-list li:before{content:"";position:absolute;left:0;top:24px;width:9px;height:9px;border-radius:50%;background:var(--mint)}
    .faq-list{display:grid;gap:12px;max-width:900px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
    .faq-item summary{cursor:pointer;padding:20px 23px;font-weight:750;list-style:none;position:relative;padding-right:55px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:22px;color:var(--orange);font-size:25px;top:14px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 23px 21px;color:var(--muted);font-size:14px}
    .download-strip{background:var(--mint-light);border-radius:var(--radius);padding:31px 35px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .download-strip p{color:#52766c;margin:0}
    .cta{padding:76px 0;background:var(--dark);color:#fff;text-align:center;position:relative;overflow:hidden}
    .cta:before{content:"C7";position:absolute;right:10%;top:-48px;font-size:190px;font-weight:900;color:rgba(255,255,255,.035)}
    .cta h2,.cta p{position:relative;z-index:1}
    .cta p{color:#c8c2ba;margin-bottom:23px}
    .site-footer{background:#191918;color:#d5d0c8;padding:54px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{font-size:13px;color:#97928a;max-width:270px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:8px}
    .footer-col a{font-size:13px;color:#98938b;transition:.2s}
    .footer-col a:hover{color:var(--orange)}
    .back-top{cursor:pointer}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#77736d;font-size:12px}
    @media(max-width:1200px){.nav-wrap{gap:14px}.brand{min-width:220px}.nav-list a{padding-left:9px;padding-right:9px}}
    @media(max-width:900px){.menu-btn{display:block;margin-left:auto}.nav-list{display:none;position:absolute;top:76px;left:0;right:0;background:var(--dark);padding:13px 24px 20px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}.nav-list.open{display:flex}.nav-list a{padding:12px}.nav-cta{text-align:center;margin-top:8px}.guide-layout,.tips-layout{grid-template-columns:1fr}.topic-panel{position:static}.guide-main{grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:600px){.container{width:min(100% - 32px,var(--max))}.topbar{height:68px}.nav-wrap{height:68px}.brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:9px;letter-spacing:0}.brand-mark{width:35px;height:35px}.hero-inner{padding:54px 0 52px}h1{font-size:38px}.hero-content p{font-size:15px}.section,.steps{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.guide-main,.step-grid{grid-template-columns:1fr}.guide-feature{min-height:330px}.download-strip{display:block;padding:26px}.download-strip .btn{margin-top:18px;width:100%}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.hero-actions .btn{flex:1;min-width:145px}}
    @media(max-width:420px){.brand-text small{display:none}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.topic-panel{padding:20px}.footer-top{grid-template-columns:1fr}}

/* roulang page: category3 */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;letter-spacing:-.4px;white-space:nowrap}
    .brand-text small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:var(--ease)}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:76px 0 68px}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(138,188,174,.25);border-radius:50%;right:-170px;top:-250px}
    .hero:after{content:"";position:absolute;width:220px;height:220px;background:var(--orange);opacity:.13;transform:rotate(30deg);left:8%;bottom:-170px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.12;letter-spacing:-1.8px;margin:18px 0 20px}
    h2{font-size:clamp(27px,3vw,35px);line-height:1.25;letter-spacing:-.8px;margin-bottom:12px}
    h3{font-size:20px;line-height:1.4;margin-bottom:8px}
    .hero-copy{color:#c7c2b9;max-width:650px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
    .hero-note{display:flex;gap:27px;margin-top:30px;color:#aaa59d;font-size:13px}
    .hero-note strong{display:block;color:#eee;font-size:18px;line-height:1.2}
    .news-board{background:var(--dark-2);border-radius:var(--radius);padding:27px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .news-board:before{content:"";position:absolute;inset:22px;background:repeating-linear-gradient(90deg,transparent 0 38px,rgba(255,255,255,.04) 39px 40px),repeating-linear-gradient(0deg,transparent 0 38px,rgba(255,255,255,.04) 39px 40px)}
    .board-inner{position:relative;z-index:1}
    .board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;color:#fff}
    .board-top span{font-size:12px;color:var(--mint);border:1px solid rgba(138,188,174,.35);padding:4px 9px;border-radius:30px}
    .board-date{font-size:58px;line-height:1;font-weight:800;color:var(--orange);letter-spacing:-3px}
    .board-date small{display:block;color:#c4beb5;font-size:13px;letter-spacing:1px;margin-top:9px}
    .board-list{margin-top:28px;border-top:1px solid rgba(255,255,255,.13)}
    .board-list div{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:12px;color:#e2ddd5;font-size:14px}
    .board-list b{color:#fff;font-weight:600}
    .board-list em{font-style:normal;color:#9e988e;white-space:nowrap}
    .breadcrumb-wrap{background:var(--paper-deep);border-bottom:1px solid var(--line)}
    .breadcrumb{margin:0;padding:14px 0;color:var(--muted);font-size:13px}
    .breadcrumb a:hover{color:var(--orange-deep)}
    .breadcrumb .current{color:var(--ink-soft)}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}
    .section-intro{color:var(--muted);max-width:520px;margin-bottom:0}
    .text-link{color:var(--orange-deep);font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .featured-news{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .lead-story{background:var(--dark);border-radius:var(--radius);color:#fff;min-height:350px;padding:32px;display:flex;align-items:end;position:relative;overflow:hidden}
    .lead-story:before{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(139,200,183,.32);border-radius:50%;right:-65px;top:-80px}
    .lead-story:after{content:"";position:absolute;width:145px;height:145px;background:var(--orange);border-radius:50%;right:100px;top:72px;opacity:.75}
    .lead-content{position:relative;z-index:1;max-width:570px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:30px;background:var(--mint-light);color:#38685c;font-size:12px;font-weight:700}
    .tag.orange{background:rgba(237,112,75,.16);color:#ffad93}
    .lead-story h3{font-size:28px;max-width:500px;margin:15px 0 10px}
    .lead-story p{color:#c9c4bc;max-width:530px;margin-bottom:18px}
    .story-meta{display:flex;gap:14px;color:#aaa59d;font-size:13px}
    .story-stack{display:grid;gap:18px}
    .story-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:var(--ease)}
    .story-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:rgba(237,112,75,.45)}
    .story-card h3{font-size:20px;margin:14px 0 8px}
    .story-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
    .meta{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}
    .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:54px;align-items:start}
    .timeline{border-top:1px solid var(--line)}
    .timeline-item{display:grid;grid-template-columns:110px 1fr auto;gap:25px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .timeline-item:hover{padding-left:10px;background:rgba(255,255,255,.38)}
    .date-box{color:var(--orange-deep);font-weight:800;font-size:15px}
    .date-box small{display:block;color:var(--muted);font-weight:500;font-size:12px;margin-top:3px}
    .timeline-item h3{font-size:20px;margin:0 0 7px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0;max-width:650px}
    .read-link{color:var(--orange-deep);font-size:14px;font-weight:700;white-space:nowrap;padding-top:3px}
    .filter-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:100px}
    .filter-panel h3{font-size:18px;margin-bottom:18px}
    .filter-panel p{font-size:13px;color:var(--muted);margin-bottom:18px}
    .filter-tags{display:flex;flex-wrap:wrap;gap:8px}
    .filter-tags a{border:1px solid var(--line);border-radius:30px;padding:7px 11px;color:var(--ink-soft);font-size:13px;transition:var(--ease)}
    .filter-tags a:hover,.filter-tags a.active{background:var(--orange);border-color:var(--orange);color:#fff}
    .info-strip{background:var(--mint-light);padding:24px;border-radius:var(--radius);display:flex;justify-content:space-between;gap:25px;align-items:center;margin-top:34px}
    .info-strip strong{font-size:20px}
    .info-strip p{margin:4px 0 0;color:#54756b;font-size:14px}
    .faq-section{background:var(--paper-deep)}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
    .faq-item summary{cursor:pointer;padding:18px 21px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--orange-deep);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{padding:0 21px 19px;color:var(--muted);font-size:14px;margin:0}
    .cta{background:var(--dark);color:#fff;padding:68px 0;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(237,112,75,.5);border-radius:50%;right:7%;top:-115px}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin-bottom:8px}
    .cta p{color:#bcb6ad;margin:0}
    .site-footer{background:#191917;color:#b8b2a9;padding:52px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{font-size:13px;max-width:280px;color:#8f8981}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{color:#fff;font-size:15px;margin-bottom:8px}
    .footer-col a{font-size:13px;color:#969088;transition:var(--ease)}
    .footer-col a:hover{color:var(--orange)}
    .back-top{cursor:pointer}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#77726b;font-size:12px}
    @media(max-width:1200px){.nav-wrap{gap:14px}.brand{min-width:220px}.nav-list a{padding-left:8px;padding-right:8px}}
    @media(max-width:900px){.hero-grid,.featured-news,.faq-grid{grid-template-columns:1fr;gap:35px}.news-layout{grid-template-columns:1fr}.filter-panel{position:static}.filter-tags{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}.footer-top{grid-template-columns:1.5fr 1fr 1fr}.footer-col:last-child{grid-column:2}}
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .topbar{height:68px}.nav-wrap{justify-content:space-between}.brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:9px}
      .menu-btn{display:block}.nav-list{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 17px 18px;background:var(--dark);border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch;box-shadow:0 15px 25px rgba(0,0,0,.2)}
      .nav-list.open{display:flex}.nav-list a{padding:12px 14px}.nav-cta{text-align:center;margin-top:5px}
      .hero{padding:58px 0 52px}.hero-copy{font-size:16px}.hero-note{gap:18px}.board-date{font-size:48px}
      .section{padding:62px 0}.section-head{display:block;margin-bottom:24px}.section-head .text-link{display:inline-block;margin-top:12px}
      .lead-story{min-height:330px}.timeline-item{grid-template-columns:82px 1fr;gap:14px}.read-link{grid-column:2}.timeline-item h3{font-size:18px}
      .info-strip,.cta-inner{display:block}.info-strip .btn,.cta .btn{margin-top:18px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-col:last-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}
    }
    @media(max-width:480px){
      h1{font-size:36px}.hero-actions .btn{width:100%}.hero-note{flex-wrap:wrap}.news-board{padding:21px}.lead-story{padding:24px}.lead-story h3{font-size:23px}
      .timeline-item{grid-template-columns:1fr;gap:6px}.read-link{grid-column:auto}.date-box small{display:inline;margin-left:6px}
      .footer-top{grid-template-columns:1fr}.footer-brand,.footer-col:last-child{grid-column:auto}
    }

/* roulang page: category4 */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;letter-spacing:-.03em}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;min-width:250px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;line-height:1.15;white-space:nowrap}
    .brand-text small{display:block;font-size:10px;color:#bdb7ae;font-weight:500;letter-spacing:.5px;margin-top:4px}
    .nav-list{display:flex;align-items:center;gap:3px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 11px;border-radius:9px;transition:var(--ease);white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;color:#fff;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:rgba(255,255,255,.3);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);color:#fff}
    .hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:72px 0 76px}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(138,188,174,.22);border-radius:50%;right:-150px;top:-250px}
    .hero:after{content:"";position:absolute;width:260px;height:260px;background:var(--orange);opacity:.12;transform:rotate(35deg);right:16%;bottom:-180px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(38px,5vw,58px);max-width:750px;margin:18px 0 20px}
    .hero-copy{color:#c7c2b9;max-width:680px;font-size:17px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .crumb{font-size:13px;color:#aaa59d;margin-bottom:22px}
    .crumb a:hover{color:#fff}
    .hero-panel{background:var(--dark-2);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
    .hero-panel:before{content:"公告";position:absolute;right:-15px;top:15px;font-size:76px;font-weight:900;color:rgba(255,255,255,.04)}
    .panel-label{color:var(--mint);font-size:13px;font-weight:700}
    .hero-panel h2{font-size:27px;margin:9px 0 14px;max-width:300px}
    .panel-line{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-top:1px solid rgba(255,255,255,.1);color:#c9c3ba;font-size:14px}
    .panel-line b{color:#fff}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
    .section h2{font-size:34px;margin:10px 0 0}
    .section-intro{color:var(--muted);max-width:520px;margin-bottom:0}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:var(--mint-light);color:#3d7165;font-size:12px;font-weight:700}
    .tag.orange{background:#f9ddd3;color:var(--orange-deep)}
    .notice-feature{display:grid;grid-template-columns:1.25fr .75fr;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft)}
    .notice-main{padding:36px}
    .notice-main h3{font-size:30px;margin:20px 0 13px}
    .notice-main p{color:var(--ink-soft);max-width:650px}
    .notice-side{background:var(--paper-deep);padding:32px;display:flex;flex-direction:column;justify-content:center}
    .notice-side strong{font-size:42px;color:var(--orange);line-height:1}
    .notice-side span{display:block;color:var(--muted);font-size:14px;margin:9px 0 25px}
    .notice-list{margin-top:18px;border-top:1px solid var(--line)}
    .notice-item{display:grid;grid-template-columns:125px 1fr auto;align-items:center;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
    .notice-date{font-size:13px;color:var(--muted)}
    .notice-item h3{font-size:19px;margin:0 0 5px}
    .notice-item p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .arrow{font-size:23px;color:var(--orange);transition:var(--ease)}
    .notice-item:hover .arrow{transform:translateX(5px)}
    .status{font-size:12px;border-radius:999px;padding:4px 9px;background:var(--mint-light);color:#397365;white-space:nowrap}
    .status.soon{background:#fae3b8;color:#87601e}
    .status.done{background:#e7e3de;color:#777067}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .timeline-card{background:var(--dark);color:#fff;border-radius:var(--radius);padding:27px;min-height:230px;position:relative;overflow:hidden;transition:var(--ease)}
    .timeline-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .timeline-card:after{content:"";position:absolute;width:100px;height:100px;border:1px solid rgba(138,188,174,.35);border-radius:50%;right:-25px;bottom:-30px}
    .timeline-card .tag{background:rgba(138,188,174,.15);color:var(--mint)}
    .timeline-card h3{font-size:22px;margin:22px 0 9px;position:relative;z-index:1}
    .timeline-card p{color:#bbb5ac;font-size:14px;position:relative;z-index:1}
    .date-row{color:var(--orange);font-weight:700;font-size:13px}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:25px;transition:var(--ease)}
    .info-card:hover{border-color:var(--orange);transform:translateY(-3px);box-shadow:var(--shadow-soft)}
    .info-icon{width:42px;height:42px;border-radius:12px;background:var(--paper-deep);color:var(--orange-deep);display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:18px}
    .info-card h3{font-size:19px;margin-bottom:8px}
    .info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .faq-note{color:var(--muted);max-width:360px}
    .faq-list details{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0}
    .faq-list details:first-child{border-top:1px solid var(--line)}
    .faq-list summary{cursor:pointer;list-style:none;font-weight:700;padding-right:30px;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";position:absolute;right:3px;color:var(--orange);font-size:22px;top:-4px}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list details p{color:var(--muted);font-size:14px;margin:12px 30px 2px 0}
    .download-strip{background:var(--mint-light);border-radius:var(--radius);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .download-strip h2{font-size:27px;margin:8px 0}
    .download-strip p{color:#52766c;margin:0}
    .cta{background:var(--orange);color:#fff;padding:55px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;margin:8px 0}
    .cta p{color:#ffe9df;margin:0}
    .cta .btn{background:var(--dark);color:#fff}
    .cta .btn:hover{background:#fff;color:var(--dark)}
    .site-footer{background:var(--dark);color:#fff;padding:58px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}
    .footer-brand p{color:#aaa59d;font-size:14px;max-width:290px;margin:20px 0 0}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:15px;margin:4px 0 10px;color:#fff}
    .footer-col a{color:#aaa59d;font-size:14px;transition:var(--ease);cursor:pointer}
    .footer-col a:hover{color:var(--orange)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;color:#88837c;font-size:12px}
    @media(max-width:1200px){
      .brand{min-width:220px}.nav-wrap{gap:12px}.nav-list a{padding-left:8px;padding-right:8px}
    }
    @media(max-width:900px){
      .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap}.menu-btn{display:block;margin-left:auto}
      .nav-list{display:none;order:3;flex-basis:100%;padding:8px 0 16px;flex-direction:column;align-items:stretch}
      .nav-list.open{display:flex}.nav-list a{padding:12px 14px}.nav-cta{display:block;text-align:center;margin-top:6px}
      .hero-grid,.notice-feature,.faq-wrap{grid-template-columns:1fr;gap:28px}.hero{padding-top:55px}.hero-panel{max-width:620px}
      .timeline{grid-template-columns:1fr 1fr}.info-grid{grid-template-columns:1fr 1fr}
      .footer-top{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:600px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .hero h1{font-size:38px}.hero-copy{font-size:16px}.section{padding:58px 0}
      .section-head,.cta-inner{display:block}.section-head .text-link{display:inline-block;margin-top:15px}
      .notice-main,.notice-side{padding:25px}.notice-main h3{font-size:25px}
      .notice-item{grid-template-columns:1fr auto;gap:8px 14px;padding:18px 0}.notice-date{grid-column:1/-1}
      .notice-item p{grid-column:1/-1}.timeline,.info-grid{grid-template-columns:1fr}
      .download-strip{display:block;padding:27px}.download-strip .btn{margin-top:20px}
      .cta h2{font-size:28px;margin-bottom:12px}.cta .btn{margin-top:22px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:420px){
      .brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:9px}.brand-mark{width:35px;height:35px}
      .hero-actions .btn{width:100%}.notice-item h3{font-size:17px}
    }

/* roulang page: category5 */
:root{
      --ink:#242321;
      --ink-soft:#4e4a45;
      --muted:#817b73;
      --paper:#f7f3ed;
      --paper-deep:#eee7dc;
      --dark:#20201e;
      --dark-2:#2b2a27;
      --orange:#ed704b;
      --orange-deep:#cf5637;
      --mint:#8abcae;
      --mint-light:#dcebe4;
      --line:#ddd4c8;
      --white:#fffdf9;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 42px rgba(42,32,24,.1);
      --shadow-soft:0 8px 24px rgba(42,32,24,.07);
      --max:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .topbar{height:76px;background:rgba(32,32,30,.98);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;letter-spacing:-.4px;white-space:nowrap}
    .brand-text small{display:block;font-size:10px;line-height:1.2;color:#bdb7ae;font-weight:500;letter-spacing:1px}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1}
    .nav-list a{position:relative;color:#c9c5bd;font-size:14px;padding:10px 12px;border-radius:9px;transition:var(--ease)}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.08)}
    .nav-list a.active:after{content:"";height:3px;width:20px;border-radius:3px;background:var(--orange);position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:11px 17px!important;font-weight:700!important}
    .nav-cta:hover{background:var(--orange-deep)!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;color:#fff;font-size:25px;padding:8px}
    .hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:82px 0 72px}
    .hero:before{content:"";position:absolute;width:530px;height:530px;border:1px solid rgba(138,188,174,.25);border-radius:50%;right:-170px;top:-245px}
    .hero:after{content:"";position:absolute;width:260px;height:260px;background:var(--orange);opacity:.12;transform:rotate(30deg);left:7%;bottom:-180px}
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:78px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.2px;color:var(--mint);font-weight:700}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    h1,h2,h3{line-height:1.25;margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);letter-spacing:-2px;margin:18px 0 22px}
    h2{font-size:clamp(28px,3vw,36px);letter-spacing:-1px}
    .hero-copy{color:#c7c2b9;max-width:580px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{min-height:48px;padding:12px 21px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease);border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f18461;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,112,75,.22)}
    .btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(138,188,174,.12);transform:translateY(-2px)}
    .hero-note{display:flex;gap:24px;margin-top:30px;color:#aaa59d;font-size:13px;flex-wrap:wrap}
    .hero-note strong{display:block;color:#eee;font-size:18px;line-height:1.2}
    .download-panel{background:#f2eadf;color:var(--ink);border-radius:24px;padding:26px;position:relative;box-shadow:var(--shadow);transform:rotate(1deg)}
    .download-panel:before{content:"";position:absolute;inset:12px;border:1px solid rgba(36,35,33,.13);border-radius:18px;pointer-events:none}
    .panel-head{position:relative;display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
    .panel-head strong{font-size:21px}
    .status{background:var(--mint-light);color:#397766;padding:5px 10px;border-radius:99px;font-size:12px;font-weight:700}
    .phone-stage{display:flex;align-items:center;justify-content:center;gap:24px;min-height:260px}
    .phone{width:142px;height:246px;background:var(--dark);border:7px solid #111;border-radius:25px;padding:14px 10px;box-shadow:0 12px 24px rgba(30,25,20,.2);position:relative}
    .phone:before{content:"";position:absolute;width:42px;height:5px;border-radius:5px;background:#4c4944;top:5px;left:43px}
    .phone-screen{height:100%;border-radius:14px;background:linear-gradient(145deg,#dcebe4 0 28%,#ee704d 28% 50%,#302e2a 50%);padding:14px 8px;display:flex;align-items:end}
    .phone-screen span{display:block;width:100%;height:36px;border-radius:8px;background:rgba(255,255,255,.8)}
    .qr-box{width:118px;height:118px;background:#fff;border:8px solid #fff;display:grid;grid-template-columns:repeat(7,1fr);gap:3px;padding:4px;box-shadow:var(--shadow-soft)}
    .qr-box i{background:var(--dark);display:block}
    .qr-box i:nth-child(3n),.qr-box i:nth-child(7n){background:var(--orange)}
    .qr-caption{font-size:12px;color:var(--muted);text-align:center;margin-top:9px}
    .panel-bottom{position:relative;border-top:1px solid var(--line);padding-top:18px;margin-top:18px;display:flex;justify-content:space-between;align-items:center;gap:12px}
    .platforms{display:flex;gap:7px;flex-wrap:wrap}
    .platforms span{font-size:12px;background:#fffaf2;border:1px solid var(--line);border-radius:7px;padding:4px 8px;color:var(--ink-soft)}
    .section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}
    .section-intro{color:var(--muted);max-width:520px;margin:0}
    .feature-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .feature-card{background:var(--dark);color:#fff;border-radius:var(--radius);padding:34px;min-height:270px;position:relative;overflow:hidden}
    .feature-card:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(139,200,183,.45);border-radius:50%;right:-46px;top:-50px}
    .feature-card p{color:#c9c4bb;max-width:570px}
    .feature-card .tag{position:relative;z-index:1}
    .feature-card h3{font-size:28px;max-width:500px;position:relative;z-index:1;margin:28px 0 12px}
    .feature-card p,.feature-card a{position:relative;z-index:1}
    .side-stack{display:grid;gap:18px}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:var(--ease)}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:var(--mint)}
    .info-card h3{font-size:20px;margin:12px 0 7px}
    .info-card p{margin:0;color:var(--muted);font-size:14px}
    .tag{display:inline-flex;align-items:center;border-radius:99px;padding:5px 10px;background:var(--mint-light);color:#397766;font-size:12px;font-weight:700}
    .orange-tag{background:#fbe0d6;color:var(--orange-deep)}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .benefit{background:var(--paper-deep);padding:25px 20px;border-radius:var(--radius-sm);border-left:3px solid var(--orange)}
    .benefit b{display:block;font-size:17px;margin:14px 0 7px}
    .benefit p{margin:0;color:var(--muted);font-size:14px}
    .icon{width:42px;height:42px;border-radius:12px;background:var(--dark);color:var(--mint);display:grid;place-items:center;font-weight:800}
    .steps{background:var(--mint-light);border-radius:24px;padding:42px}
    .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
    .step{position:relative;padding:24px;background:rgba(255,253,249,.74);border-radius:var(--radius-sm);min-height:170px}
    .step-number{font-size:36px;color:var(--orange);font-weight:900;line-height:1}
    .step h3{font-size:19px;margin:18px 0 7px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .notice-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:stretch}
    .notice-main{background:var(--white);border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
    .notice-main h3{font-size:25px;margin:16px 0 10px}
    .notice-main p{color:var(--muted);margin-bottom:20px}
    .notice-list{display:grid;gap:12px}
    .notice-item{display:flex;gap:16px;padding:17px 18px;background:var(--dark);color:#fff;border-radius:12px;align-items:center}
    .notice-item span{color:var(--mint);font-size:13px;white-space:nowrap}
    .notice-item b{font-size:15px}
    .app-band{background:var(--orange);color:#fff;border-radius:24px;padding:46px;display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden}
    .app-band:after{content:"C7";position:absolute;right:35px;bottom:-58px;font-size:190px;line-height:1;font-weight:900;color:rgba(255,255,255,.1)}
    .app-band h2{margin-bottom:10px;position:relative;z-index:1}
    .app-band p{margin:0;max-width:600px;color:#ffe9e1;position:relative;z-index:1}
    .app-band .btn{background:var(--dark);position:relative;z-index:1}
    .faq-list{display:grid;gap:11px;max-width:900px}
    details{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:var(--ease)}
    details[open]{border-color:var(--mint);box-shadow:var(--shadow-soft)}
    summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700;position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px;top:15px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);margin:0 0 19px;padding-right:20px}
    .cta{background:var(--dark);color:#fff;text-align:center;border-radius:24px;padding:60px 24px;position:relative;overflow:hidden}
    .cta:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(139,200,183,.28);border-radius:50%;left:-100px;top:-210px}
    .cta > *{position:relative}
    .cta p{color:#bbb5ab;max-width:600px;margin:12px auto 25px}
    .site-footer{background:var(--dark);color:#fff;padding:55px 0 25px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{color:#aaa59d;font-size:14px;max-width:270px;margin-top:18px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:15px;margin-bottom:9px;color:#fff}
    .footer-col a{font-size:14px;color:#aaa59d;transition:var(--ease)}
    .footer-col a:hover{color:var(--orange)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#817c74;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1200px){
      .nav-wrap{gap:14px}.brand{min-width:220px}.nav-list a{padding-left:8px;padding-right:8px}
    }
    @media(max-width:900px){
      .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap}.menu-btn{display:block;margin-left:auto}
      .nav-list{display:none;order:3;flex-basis:100%;padding:8px 0 16px;flex-direction:column;align-items:stretch}
      .nav-list.open{display:flex}.nav-list a{padding:12px 14px}.nav-cta{text-align:center;margin-top:5px}
      .hero-grid,.notice-layout{grid-template-columns:1fr;gap:38px}.hero{padding:65px 0}.benefit-grid{grid-template-columns:repeat(2,1fr)}
      .footer-top{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:600px){
      .container{width:min(100% - 30px,var(--max))}.brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:8px}
      .hero{padding:50px 0}.hero h1{font-size:38px;letter-spacing:-1px}.hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}.download-panel{padding:20px;transform:none}.phone-stage{gap:15px}.phone{width:120px;height:215px}.qr-box{width:100px;height:100px}
      .section{padding:60px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}
      .feature-strip,.benefit-grid,.step-grid{grid-template-columns:1fr}.steps{padding:25px 18px}
      .app-band{padding:32px 24px;display:block}.app-band .btn{margin-top:22px;width:100%}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px 18px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:420px){
      .phone-stage{justify-content:space-between}.qr-box{width:88px;height:88px}.phone{width:108px;height:195px}
      .notice-item{display:block}.notice-item span{display:block;margin-bottom:5px}
    }

/* 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}