/* roulang page: index */
:root{
 --ink:#242321;--muted:#77736d;--paper:#fffdfa;--sand:#f4eee6;--line:#e7ded4;
 --orange:#ef633f;--orange-dark:#d84c2f;--orange-soft:#fff0e9;--graphite:#252525;
 --radius:18px;--shadow:0 14px 35px rgba(65,42,27,.09);--max:1200px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,5vw,58px);line-height:1.15;letter-spacing:-.04em;margin:16px 0 22px}h2{font-size:clamp(28px,3.2vw,38px);line-height:1.25;margin:12px 0 14px;letter-spacing:-.03em}h3{font-size:19px;line-height:1.35;margin:0 0 8px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}.section-head p{color:var(--muted);margin:0;max-width:600px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(239,99,63,.2)}.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(216,76,47,.28)}.btn-light{background:#fff8f4;border-color:#f2cfc1;color:var(--orange-dark)}.btn-light:hover{background:var(--orange-soft);transform:translateY(-2px)}.btn:focus,a:focus,input:focus{outline:3px solid rgba(239,99,63,.28);outline-offset:3px}.tag,.status{display:inline-flex;border-radius:99px;padding:4px 10px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:700}.status.dark{background:#3a3938;color:#ffd4c7}.site-header{height:78px;background:rgba(255,253,250,.94);border-bottom:1px solid rgba(231,222,212,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{height:100%;display:flex;align-items:center;gap:38px}.logo{font-weight:900;font-size:21px;letter-spacing:-.04em;white-space:nowrap}.logo small{font-size:10px;color:var(--orange);letter-spacing:.12em;margin-left:6px}.nav{display:flex;align-items:center;gap:26px;flex:1}.nav a{font-size:14px;color:#5c5853;transition:.2s}.nav a:hover,.nav a.active{color:var(--orange-dark);font-weight:700}.menu-btn{display:none;background:none;font-size:25px}.hero{position:relative;overflow:hidden;padding:82px 0 68px;background:linear-gradient(115deg,#fffdfa 40%,#fff3eb 100%)}.hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-130px;top:-180px;background:var(--graphite);opacity:.96}.hero-grid{display:grid;grid-template-columns:1fr 470px;align-items:center;gap:70px;position:relative;z-index:1}.hero-copy p{color:var(--muted);max-width:580px;font-size:18px}.hero-actions{display:flex;gap:12px;margin:28px 0}.mini-points{display:flex;flex-wrap:wrap;gap:10px;color:#69635d;font-size:13px}.mini-points span{background:#fff;border:1px solid var(--line);padding:7px 11px;border-radius:8px}.app-stage{position:relative;min-height:390px}.phone{width:230px;height:390px;background:#171717;border:8px solid #333;border-radius:31px;padding:10px;position:absolute;left:58px;top:15px;box-shadow:20px 26px 40px rgba(43,28,19,.22);transform:rotate(-5deg)}.phone-screen{height:100%;border-radius:20px;background:linear-gradient(155deg,#ff9877,#ef633f 48%,#312c2a);padding:20px 15px;color:#fff;display:flex;flex-direction:column;justify-content:space-between}.app-mark{width:53px;height:53px;border-radius:16px;background:#fff;color:var(--orange);display:grid;place-items:center;font-size:25px;font-weight:900;box-shadow:0 7px 15px #8b3929}.phone h3{font-size:17px}.progress{height:7px;background:rgba(255,255,255,.3);border-radius:9px;overflow:hidden}.progress i{display:block;width:76%;height:100%;background:#fff;border-radius:9px}.download-card{position:absolute;right:0;bottom:13px;width:220px;background:#fff;padding:20px;border-radius:18px;box-shadow:var(--shadow);border:1px solid var(--line)}.download-card strong{font-size:18px;display:block;margin-bottom:3px}.qr{width:72px;height:72px;border:6px solid #fff;background:repeating-linear-gradient(45deg,#222 0 4px,#fff 4px 8px);outline:1px solid #ddd}.quick{padding:0;position:relative;margin-top:-1px;z-index:2}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.quick a{padding:20px 24px;border-right:1px solid var(--line);display:flex;gap:13px;align-items:center}.quick a:last-child{border:0}.quick .ico{width:38px;height:38px;border-radius:12px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;font-weight:900;font-size:18px}.quick a:hover{background:#fff8f4}.quick small{display:block;color:var(--muted);font-size:12px}.game-track{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.game-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 6px 20px rgba(60,35,20,.05);transition:.25s}.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.game-cover{height:150px;background:linear-gradient(140deg,#c74c33,#f6b15f);position:relative;overflow:hidden;padding:16px;color:#fff}.game-cover:after{content:"";position:absolute;width:130px;height:130px;border:22px solid rgba(255,255,255,.18);border-radius:50%;right:-25px;bottom:-35px}.game-card:nth-child(2) .game-cover{background:linear-gradient(140deg,#734b3d,#dfa36c)}.game-card:nth-child(3) .game-cover{background:linear-gradient(140deg,#343332,#d76b43)}.game-card:nth-child(4) .game-cover{background:linear-gradient(140deg,#b64e47,#f2d19f)}.game-card:nth-child(5) .game-cover{background:linear-gradient(140deg,#4d403b,#e8754b)}.game-cover b{font-size:22px;position:relative;z-index:1}.game-info{padding:15px}.game-info p{margin:0 0 13px;color:var(--muted);font-size:13px}.game-info .btn{padding:6px 11px;font-size:12px}.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.feature-news,.news-item,.card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:0 8px 25px rgba(54,35,24,.05)}.feature-news{padding:26px;min-height:260px;background:linear-gradient(135deg,#fff8f2,#f7e7db)}.feature-news .fake-image{height:115px;border-radius:12px;background:linear-gradient(115deg,#e96642,#f5c191);margin-bottom:19px;position:relative}.fake-image:after{content:"NINEGAME";position:absolute;right:20px;bottom:15px;color:rgba(255,255,255,.7);font-size:27px;font-weight:900}.feature-news p,.news-item p{color:var(--muted);font-size:13px}.news-list{display:grid;gap:12px}.news-item{padding:17px 19px;display:grid;grid-template-columns:72px 1fr;gap:14px}.news-item time{color:var(--orange);font-size:13px;font-weight:800}.dark-panel{background:var(--graphite);color:#fff;border-radius:24px;padding:48px}.dark-grid{display:grid;grid-template-columns:250px 1fr 150px;align-items:center;gap:36px}.dark-panel p{color:#bcb6b0}.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-list article{border-left:2px solid var(--orange);padding-left:17px}.feature-list strong{display:block;margin-bottom:5px}.feature-list span{color:#bcb6b0;font-size:14px}.calendar-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.calendar,.update-box{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.date-row,.update-row{display:flex;align-items:center;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}.date-row:last-child,.update-row:last-child{border:0}.date{width:53px;color:var(--orange);font-weight:900;font-size:19px}.date small{display:block;color:var(--muted);font-size:11px}.update-row{justify-content:space-between}.update-row p{margin:0;color:var(--muted);font-size:13px}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.channel{padding:26px;border-radius:18px;min-height:160px;position:relative;overflow:hidden;border:1px solid var(--line)}.channel:nth-child(1){background:#fff0e9}.channel:nth-child(2){background:#f5eee5}.channel:nth-child(3){background:#eeeae4}.channel .arrow{position:absolute;right:23px;bottom:20px;font-size:25px;color:var(--orange)}.channel p{color:var(--muted);font-size:14px;max-width:260px}.tabs{display:flex;gap:8px;margin-bottom:20px}.tab{padding:9px 17px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted)}.tab.active,.tab:hover{background:var(--orange);color:#fff;border-color:var(--orange)}.rank-panel{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.rank-item{display:grid;grid-template-columns:35px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.rank-item:last-child{border:0}.rank-no{font-size:22px;color:var(--orange);font-weight:900}.rank-item small{color:var(--muted)}.cms-list{display:grid;gap:13px}.cms-item{display:grid;grid-template-columns:86px 1fr auto;gap:20px;align-items:center;padding:19px 22px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}.cms-item:hover{border-color:#efb7a5;transform:translateX(3px)}.cms-date{font-weight:800;color:var(--orange);font-size:13px}.cms-item p{margin:2px 0 0;color:var(--muted);font-size:13px}.cms-item .more{color:var(--orange);font-size:22px}.empty{padding:45px;text-align:center;color:var(--muted);border:1px dashed #d9cfc5;border-radius:16px;background:#fffaf6}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.guide-feature{min-height:280px;padding:28px;border-radius:20px;background:linear-gradient(135deg,#3a3532,#242424);color:#fff;display:flex;flex-direction:column;justify-content:end}.guide-feature p{color:#d4ccc5}.guide-list{border:1px solid var(--line);border-radius:20px;background:#fff;padding:10px 22px}.guide-row{display:flex;justify-content:space-between;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}.guide-row:last-child{border:0}.guide-row small{color:var(--muted)}.welfare{background:#fff0df;border:1px solid #f5c8a6;border-radius:20px;padding:27px;display:flex;justify-content:space-between;align-items:center;gap:20px}.welfare p{margin:0;color:#775d4e}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.safety{padding:24px;border-radius:16px;background:#fff;border:1px solid var(--line)}.safety b{display:flex;gap:10px;align-items:center;margin-bottom:9px}.safety b i{font-style:normal;color:var(--orange);font-size:22px}.safety p{margin:0;color:var(--muted);font-size:14px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:18px 4px}.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"+";color:var(--orange);font-size:22px}.faq details[open] summary:after{content:"−"}.faq details p{margin:12px 0 0;color:var(--muted);font-size:14px;max-width:780px}.bottom-cta{background:var(--graphite);color:#fff;border-radius:24px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.bottom-cta p{color:#bdb6af;margin:0}.cta-app{display:flex;align-items:center;gap:18px}.cta-app .app-mark{width:60px;height:60px}.site-footer{background:#252525;color:#fff;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px;padding-bottom:38px;border-bottom:1px solid #484542}.site-footer p,.site-footer a{color:#aaa39d;font-size:14px}.site-footer a{display:block;margin:7px 0}.site-footer a:hover{color:#ff9b7f}.footer-title{color:#fff;font-weight:700;margin-bottom:12px}.copyright{display:flex;justify-content:space-between;color:#88817a;font-size:12px;padding-top:20px}.noise{background-image:radial-gradient(#d5c5b7 1px,transparent 1px);background-size:14px 14px;background-position:right top;background-repeat:no-repeat}
@media(max-width:1024px){.hero-grid{grid-template-columns:1fr 390px;gap:30px}.game-track{grid-template-columns:repeat(3,1fr)}.game-card:nth-child(n+4){display:none}.nav{gap:14px}.header-inner{gap:20px}}
@media(max-width:768px){.site-header{height:68px}.menu-btn{display:block}.nav{display:none;position:absolute;left:20px;right:20px;top:73px;background:#fff;padding:15px;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:9px 12px}.header-inner>.btn{margin-left:auto;padding:9px 13px;font-size:13px}.hero{padding:56px 0}.hero-grid{grid-template-columns:1fr}.app-stage{height:380px;max-width:430px;margin:auto;width:100%}.section{padding:62px 0}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick a:nth-child(2){border-right:0}.quick a:nth-child(-n+2){border-bottom:1px solid var(--line)}.news-layout,.calendar-grid,.guide-grid{grid-template-columns:1fr}.dark-grid{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.channel-grid,.safety-grid{grid-template-columns:1fr}.bottom-cta{padding:32px;display:block}.cta-app{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
@media(max-width:520px){.container{width:min(100% - 28px,var(--max))}h1{font-size:36px}.hero-copy p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.app-stage{transform:scale(.9);transform-origin:center top;margin-bottom:-35px}.game-track{display:flex;overflow:auto;padding-bottom:8px}.game-card{min-width:230px}.section-head{display:block}.section-head p{margin-top:10px}.cms-item{grid-template-columns:1fr auto;gap:4px 12px}.cms-date{grid-column:1/-1}.cms-item p{grid-column:1/-1}.welfare{display:block}.welfare .btn{margin-top:17px}.footer-grid{grid-template-columns:1fr}.quick a{padding:16px 12px;font-size:14px}.quick small{font-size:11px}.dark-panel{padding:30px 22px}.copyright{font-size:11px}}

/* roulang page: article */
:root{
      --ink:#242321;--muted:#77736d;--paper:#fffdfa;--sand:#f4eee6;--line:#e7ded4;
      --orange:#ef633f;--orange-dark:#d84c2f;--orange-soft:#fff0e9;--graphite:#252525;
      --radius:18px;--shadow:0 14px 35px rgba(65,42,27,.09);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(239,99,63,.2)}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(216,76,47,.28)}
    .btn-light{background:#fff8f4;border-color:#f2cfc1;color:var(--orange-dark)}
    .btn-light:hover{background:var(--orange-soft);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(239,99,63,.28);outline-offset:3px}
    .tag,.status{display:inline-flex;border-radius:99px;padding:4px 10px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:700}
    .site-header{height:78px;background:rgba(255,253,250,.94);border-bottom:1px solid rgba(231,222,212,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{font-weight:900;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo small{font-size:10px;color:var(--orange);letter-spacing:.12em;margin-left:6px}
    .nav{display:flex;align-items:center;gap:26px;flex:1}
    .nav a{font-size:14px;color:#5c5853;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--orange-dark);font-weight:700}
    .menu-btn{display:none;background:none;font-size:25px;color:var(--ink)}
    .article-hero{padding:58px 0 42px;background:linear-gradient(120deg,#fffdfa 35%,#fff1e9);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .article-hero h1{max-width:900px;margin:17px 0 18px;font-size:clamp(30px,4.4vw,48px);line-height:1.25;letter-spacing:-.04em}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--muted);font-size:14px}
    .crumbs{padding:22px 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--orange-dark)}
    .article-layout{display:grid;grid-template-columns:minmax(0,800px) 280px;gap:56px;align-items:start;padding-bottom:80px}
    .summary-card{padding:23px 26px;margin-bottom:26px;background:var(--orange-soft);border:1px solid #f4d5c7;border-radius:16px;color:#655b54}
    .summary-card strong{display:block;color:var(--orange-dark);font-size:14px;margin-bottom:5px}
    .reading-card{padding:clamp(24px,4vw,46px);border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 8px 25px rgba(54,35,24,.05)}
    .reading-card h2,.reading-card h3{line-height:1.4;letter-spacing:-.02em;margin-top:30px}
    .reading-card h2{font-size:28px}
    .reading-card h3{font-size:21px}
    .reading-card p{margin:0 0 18px;color:#45413d}
    .reading-card ul,.reading-card ol{padding-left:24px;margin:15px 0 24px}
    .reading-card li{margin:7px 0}
    .reading-card blockquote{margin:25px 0;padding:16px 20px;border-left:4px solid var(--orange);background:#fff7f2;color:#665b53;border-radius:0 12px 12px 0}
    .reading-card img{border-radius:14px;margin:24px auto}
    .notice{display:flex;gap:14px;margin:28px 0;padding:18px 20px;background:#faf5ef;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:12px}
    .notice b{color:var(--orange-dark);white-space:nowrap}
    .side-card{position:sticky;top:105px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(54,35,24,.05)}
    .side-card h3{margin:0 0 16px;font-size:18px}
    .progress-track{height:6px;background:#eee5dc;border-radius:99px;overflow:hidden;margin:12px 0 22px}
    .progress-track span{display:block;width:38%;height:100%;background:var(--orange);border-radius:99px}
    .toc{display:grid;gap:10px;color:var(--muted);font-size:14px}
    .toc a:hover{color:var(--orange-dark)}
    .side-download{margin-top:20px;padding-top:19px;border-top:1px solid var(--line)}
    .side-download p{margin:4px 0 14px;color:var(--muted);font-size:13px}
    .related-section,.return-section{padding:72px 0;border-top:1px solid var(--line)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}
    .section-head h2{margin:0;font-size:30px;letter-spacing:-.03em}
    .section-head p{margin:0;color:var(--muted);max-width:560px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:.25s}
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#efb7a5}
    .related-card .mini-cover{height:92px;border-radius:12px;background:linear-gradient(135deg,#393432,#e96542);margin-bottom:17px;position:relative;overflow:hidden}
    .related-card:nth-child(2) .mini-cover{background:linear-gradient(135deg,#e8b27c,#8b4c3e)}
    .related-card:nth-child(3) .mini-cover{background:linear-gradient(135deg,#292929,#b94d38)}
    .related-card h3{font-size:18px;line-height:1.45;margin:12px 0 8px}
    .related-card p{font-size:13px;color:var(--muted);margin:0}
    .return-box{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px 34px;background:var(--graphite);color:#fff;border-radius:20px}
    .return-box h2{margin:0 0 6px;font-size:25px}
    .return-box p{margin:0;color:#cfc8c2;font-size:14px}
    .return-actions{display:flex;gap:11px;flex-wrap:wrap}
    .site-footer{padding:56px 0 22px;background:var(--graphite);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-grid p{color:#bdb5ae;font-size:14px;max-width:280px;margin-top:14px}
    .footer-title{font-weight:800;margin-bottom:14px;color:#fff}
    .footer-grid a{display:block;color:#bdb5ae;font-size:14px;margin:8px 0;transition:.2s}
    .footer-grid a:hover{color:#ff9679}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #45413f;margin-top:42px;padding-top:18px;color:#8e8882;font-size:12px}
    @media(max-width:1024px){
      .header-inner{gap:22px}.nav{gap:17px}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:30px}
    }
    @media(max-width:768px){
      .site-header{height:68px}.header-inner{width:calc(100% - 28px)}
      .header-inner>.btn{margin-left:auto;padding:9px 13px;font-size:13px}
      .menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:16px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav.open{display:grid;gap:0}.nav a{padding:11px 0;border-bottom:1px solid var(--line)}
      .article-hero{padding:42px 0 30px}.crumbs{padding:17px 0}
      .article-layout{display:block;padding-bottom:55px}.side-card{position:static;margin-top:25px}
      .related-section,.return-section{padding:52px 0}.related-grid{grid-template-columns:1fr}
      .return-box{display:block;padding:25px}.return-actions{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .logo{font-size:18px}.logo small{font-size:9px}.header-inner>.btn{font-size:12px;padding:8px 10px}
      .article-hero h1{font-size:30px}.article-meta{gap:7px 13px;font-size:13px}
      .reading-card{padding:22px 18px}.reading-card h2{font-size:24px}
      .section-head{display:block}.section-head h2{font-size:26px;margin-bottom:7px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid p{font-size:13px}
    }

/* roulang page: category2 */
:root{
      --ink:#242321;--muted:#77736d;--paper:#fffdfa;--sand:#f4eee6;--line:#e7ded4;
      --orange:#ef633f;--orange-dark:#d84c2f;--orange-soft:#fff0e9;--graphite:#252525;
      --radius:18px;--shadow:0 14px 35px rgba(65,42,27,.09);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .section{padding:76px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .section-head h2{margin:7px 0 0;font-size:30px;line-height:1.25}
    .section-head p{color:var(--muted);margin:0;max-width:580px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(239,99,63,.2)}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(216,76,47,.28)}
    .btn-light{background:#fff8f4;border-color:#f2cfc1;color:var(--orange-dark)}
    .btn-light:hover{background:var(--orange-soft);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(239,99,63,.28);outline-offset:3px}
    .tag,.status{display:inline-flex;border-radius:99px;padding:4px 10px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:700}
    .site-header{height:78px;background:rgba(255,253,250,.94);border-bottom:1px solid rgba(231,222,212,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{font-weight:900;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo small{font-size:10px;color:var(--orange);letter-spacing:.12em;margin-left:6px}
    .nav{display:flex;align-items:center;gap:26px;flex:1}
    .nav a{font-size:14px;color:#5c5853;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--orange-dark);font-weight:700}
    .menu-btn{display:none;background:none;font-size:25px}
    .page-head{padding:52px 0 48px;background:linear-gradient(120deg,#fffdfa,#fff4ed);border-bottom:1px solid var(--line)}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .crumb a{color:var(--orange-dark)}
    .page-head-row{display:flex;justify-content:space-between;align-items:end;gap:30px}
    .page-head h1{font-size:44px;line-height:1.2;margin:10px 0 14px;letter-spacing:-.04em}
    .page-head p{color:var(--muted);max-width:690px;margin:0}
    .head-meta{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
    .download-panel{display:grid;grid-template-columns:180px 1fr 190px;gap:34px;align-items:center;padding:32px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    .app-icon{width:128px;height:128px;border-radius:30px;background:linear-gradient(145deg,#ff906c,#db432e);color:#fff;display:grid;place-items:center;font-size:39px;font-weight:900;box-shadow:inset 0 -12px 20px rgba(107,30,17,.18)}
    .app-icon small{display:block;font-size:11px;letter-spacing:.12em;text-align:center;margin-top:-4px}
    .download-info h2{font-size:27px;margin:0 0 8px}
    .download-info p{color:var(--muted);margin:0 0 17px}
    .facts{display:flex;gap:26px;flex-wrap:wrap;margin-top:21px}
    .fact strong{display:block;font-size:18px}.fact span{font-size:12px;color:var(--muted)}
    .qr{height:142px;border:1px dashed #d9a28e;border-radius:14px;background:#fff9f5;display:grid;place-items:center;text-align:center;color:var(--orange-dark);font-size:13px}
    .qr-mark{font-size:45px;line-height:1;margin-bottom:5px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card,.compat-card,.problem-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(54,35,24,.05);transition:.25s}
    .step-card:hover,.compat-card:hover,.problem-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .step-no{width:39px;height:39px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .step-card h3,.compat-card h3,.problem-card h3{font-size:19px;margin:0 0 8px}
    .step-card p,.compat-card p,.problem-card p{color:var(--muted);font-size:14px;margin:0}
    .compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .compat-symbol{font-size:30px;color:var(--orange);margin-bottom:10px}
    .compat-card strong{display:block;margin-top:13px}
    .timeline{position:relative;max-width:850px;margin:auto}
    .timeline:before{content:"";position:absolute;left:92px;top:10px;bottom:10px;width:2px;background:#f3cfc2}
    .timeline-row{display:grid;grid-template-columns:74px 38px 1fr;gap:18px;align-items:start;padding:18px 0}
    .timeline-date{font-size:13px;color:var(--muted);text-align:right;padding-top:4px}
    .timeline-dot{width:14px;height:14px;border-radius:50%;background:var(--orange);border:4px solid #ffe0d4;margin-top:4px;z-index:1}
    .timeline-content{padding:17px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .timeline-content h3{font-size:18px;margin:0 0 5px}.timeline-content p{color:var(--muted);font-size:14px;margin:0}
    .problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .problem-card .tag{margin-bottom:16px}
    .more-link{display:inline-flex;margin-top:24px;color:var(--orange-dark);font-weight:700;border-bottom:1px solid #efb7a5;padding-bottom:3px}
    .notice{display:grid;grid-template-columns:68px 1fr;gap:22px;align-items:center;padding:28px 32px;border-radius:20px;background:var(--graphite);color:#fff}
    .notice-icon{width:56px;height:56px;border-radius:16px;background:var(--orange);display:grid;place-items:center;font-size:25px}
    .notice h2{font-size:23px;margin:0 0 5px}.notice p{color:#d4ccc5;margin:0;font-size:14px}
    .faq-layout{display:grid;grid-template-columns:1fr 390px;gap:22px;align-items:start}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;padding:19px 5px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--orange);font-size:20px}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 36px 19px 5px}
    .feedback{padding:25px;border:1px solid var(--line);border-radius:18px;background:#fff8f4}
    .feedback h3{margin:0 0 7px;font-size:21px}.feedback p{color:var(--muted);font-size:13px}
    .field{margin:13px 0}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
    .field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;color:var(--ink)}
    .field textarea{min-height:90px;resize:vertical}
    .site-footer{background:var(--graphite);color:#fff;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}
    .site-footer p{color:#bdb6b0;font-size:13px;max-width:260px;margin-top:14px}
    .footer-title{font-weight:700;margin-bottom:14px}.site-footer a{display:block;color:#bdb6b0;font-size:13px;margin:9px 0;transition:.2s}.site-footer a:hover{color:#ff9a7c}
    .copyright{border-top:1px solid #45413e;margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#958f89;font-size:12px}
    @media(max-width:900px){
      .header-inner{gap:18px}.nav{gap:15px}.download-panel{grid-template-columns:130px 1fr}.qr{grid-column:2;height:110px}
      .timeline:before{left:73px}.page-head-row{display:block}.head-meta{justify-content:flex-start;margin-top:20px}.faq-layout{grid-template-columns:1fr}
    }
    @media(max-width:700px){
      .container{width:min(var(--max),calc(100% - 28px))}.site-header{height:68px}.header-inner{justify-content:space-between}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px;box-shadow:var(--shadow)}
      .nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav a{padding:11px 0}.header-inner>.btn{padding:9px 13px;font-size:13px}.menu-btn{display:block}
      .page-head{padding:38px 0}.page-head h1{font-size:34px}.section{padding:56px 0}.section-head{display:block}.section-head p{margin-top:10px}
      .download-panel{grid-template-columns:1fr;text-align:center;padding:25px}.app-icon{margin:auto}.facts{justify-content:center;gap:18px}.qr{grid-column:auto}
      .steps,.compat-grid,.problem-grid{grid-template-columns:1fr}.timeline:before{left:57px}.timeline-row{grid-template-columns:54px 24px 1fr;gap:10px}.timeline-content{padding:14px}
      .notice{grid-template-columns:1fr;padding:24px}.notice-icon{margin-bottom:0}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }

/* roulang page: category3 */
:root{
      --ink:#242321;--muted:#77736d;--paper:#fffdfa;--sand:#f4eee6;--line:#e7ded4;
      --orange:#ef633f;--orange-dark:#d84c2f;--orange-soft:#fff0e9;--graphite:#252525;
      --radius:18px;--shadow:0 14px 35px rgba(65,42,27,.09);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .section{padding:78px 0}
    .section-soft{background:linear-gradient(180deg,#fff8f3 0%,#f8f2ec 100%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:30px}
    .section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin:8px 0 0}
    .section-head p{margin:0;max-width:520px;color:var(--muted);font-size:15px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(239,99,63,.2)}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(216,76,47,.28)}
    .btn-light{background:#fff8f4;border-color:#f2cfc1;color:var(--orange-dark)}
    .btn-light:hover{background:var(--orange-soft);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(239,99,63,.28);outline-offset:3px}
    .tag,.status{display:inline-flex;align-items:center;border-radius:99px;padding:4px 10px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:800;line-height:1.45}
    .status.dark{background:#3a3734;color:#f8c4b3}
    .site-header{height:78px;background:rgba(255,253,250,.94);border-bottom:1px solid rgba(231,222,212,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{font-weight:900;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo small{font-size:10px;color:var(--orange);letter-spacing:.12em;margin-left:6px}
    .nav{display:flex;align-items:center;gap:26px;flex:1}
    .nav a{font-size:14px;color:#5c5853;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--orange-dark);font-weight:700}
    .menu-btn{display:none;background:none;font-size:25px;padding:4px}
    .page-banner{position:relative;overflow:hidden;background:linear-gradient(120deg,#fff9f4 0%,#f9ede3 100%);border-bottom:1px solid var(--line);padding:53px 0 48px}
    .page-banner:after{content:"";position:absolute;right:5%;top:-98px;width:280px;height:280px;border:38px solid rgba(239,99,63,.11);border-radius:50%}
    .breadcrumbs{position:relative;z-index:1;display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:15px}
    .breadcrumbs a:hover{color:var(--orange-dark)}
    .breadcrumbs span:last-child{color:var(--orange-dark);font-weight:700}
    h1{position:relative;z-index:1;font-size:44px;line-height:1.18;letter-spacing:-.055em;margin:0 0 13px}
    .banner-bottom{position:relative;z-index:1;display:flex;justify-content:space-between;gap:25px;align-items:center}
    .banner-bottom p{margin:0;max-width:680px;color:var(--muted);font-size:16px}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:20px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 7px 20px rgba(60,35,20,.04)}
    .filter-bar a{padding:8px 14px;border:1px solid transparent;border-radius:999px;font-size:14px;color:#625d57;transition:.2s}
    .filter-bar a:hover,.filter-bar a.active{color:var(--orange-dark);background:var(--orange-soft);border-color:#f3caba;font-weight:800}
    .guide-feature{display:grid;grid-template-columns:1.12fr .88fr;overflow:hidden;background:var(--graphite);border-radius:22px;color:#fff;box-shadow:var(--shadow)}
    .feature-art{min-height:330px;position:relative;overflow:hidden;background:linear-gradient(145deg,#6e392d,#d7603e 49%,#f6bb81)}
    .feature-art:before{content:"";position:absolute;width:250px;height:250px;border:24px solid rgba(255,255,255,.22);border-radius:50%;top:30px;left:64px}
    .feature-art:after{content:"✦";position:absolute;right:58px;bottom:36px;font-size:100px;line-height:1;color:rgba(255,250,244,.76)}
    .art-panel{position:absolute;left:34px;bottom:31px;padding:15px 18px;background:rgba(36,35,33,.82);border:1px solid rgba(255,255,255,.22);border-radius:14px;font-weight:800}
    .feature-copy{padding:42px 40px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
    .feature-copy h2{font-size:29px;line-height:1.35;margin:13px 0}
    .feature-copy p{color:#d8d0c9;margin:0 0 20px}
    .feature-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:23px}
    .feature-meta span{font-size:12px;color:#f6cbc0;border:1px solid #66554d;padding:4px 9px;border-radius:20px}
    .guide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .guide-card{display:flex;flex-direction:column;min-height:220px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 6px 20px rgba(60,35,20,.045);transition:.25s}
    .guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#efb7a5}
    .guide-card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}
    .guide-card h3{font-size:19px;line-height:1.45;margin:0 0 10px}
    .guide-card p{margin:0;color:var(--muted);font-size:14px}
    .guide-card-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:19px;font-size:13px;color:var(--muted)}
    .article-link{color:var(--orange-dark);font-weight:800;white-space:nowrap}
    .article-link:hover{color:var(--orange);transform:translateX(2px)}
    .view-more{text-align:center;margin-top:27px}
    .route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .route-card{position:relative;padding:24px 21px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
    .route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .route-no{display:block;color:var(--orange);font-size:13px;font-weight:900;margin-bottom:13px}
    .route-card h3{font-size:18px;margin:0 0 8px}
    .route-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .route-card:after{content:"";position:absolute;width:54px;height:54px;border-radius:16px;background:var(--orange-soft);right:-12px;top:-12px}
    .quick-answer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .answer-card{padding:23px 22px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .answer-card .icon{width:38px;height:38px;display:grid;place-items:center;background:var(--orange-soft);color:var(--orange-dark);border-radius:12px;font-weight:900;margin-bottom:15px}
    .answer-card h3{font-size:17px;margin:0 0 7px}
    .answer-card p{font-size:14px;color:var(--muted);margin:0}
    .version-notice{display:grid;grid-template-columns:auto 1fr auto;gap:21px;align-items:center;padding:27px 30px;background:#2b2a28;color:#fff;border-radius:19px;box-shadow:var(--shadow)}
    .notice-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:var(--orange);font-size:22px;font-weight:900}
    .version-notice h2{font-size:20px;margin:0 0 3px}
    .version-notice p{margin:0;color:#c9c0b9;font-size:14px}
    .version-time{font-size:13px;color:#ffbba7;white-space:nowrap}
    .faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;align-items:start}
    .faq-copy h2{font-size:32px;line-height:1.34;margin:10px 0 12px}
    .faq-copy p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:17px 3px}
    summary{list-style:none;cursor:pointer;font-size:17px;font-weight:800;position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;color:var(--orange);font-size:23px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:12px 28px 2px 0;color:var(--muted);font-size:14px}
    .download-strip{padding:49px 0;background:linear-gradient(110deg,#292827,#3b332f)}
    .download-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;color:#fff}
    .download-inner h2{font-size:30px;margin:7px 0}
    .download-inner p{color:#d0c7c0;margin:0}
    .download-actions{display:flex;align-items:center;gap:15px}
    .mini-code{width:62px;height:62px;border:5px solid #fff;background:repeating-linear-gradient(90deg,#252525 0 5px,#fff 5px 10px),repeating-linear-gradient(0deg,transparent 0 7px,rgba(239,99,63,.7) 7px 12px);border-radius:8px}
    .site-footer{background:var(--graphite);padding:59px 0 25px;color:#eee8e2}
    .footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px}
    .site-footer .logo{color:#fff;margin-bottom:13px}
    .site-footer p{color:#bcb5ae;font-size:14px;max-width:290px;margin:0}
    .footer-title{font-size:14px;font-weight:900;color:#fff;margin-bottom:13px}
    .site-footer a:not(.logo){display:block;color:#bcb5ae;font-size:14px;margin:7px 0;transition:.2s}
    .site-footer a:not(.logo):hover{color:#ff9d81}
    .copyright{border-top:1px solid #45413e;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;color:#98918b;font-size:12px}
    @media (max-width:1024px){
      .guide-feature{grid-template-columns:1fr}
      .feature-art{min-height:240px}
      .route-grid{grid-template-columns:repeat(2,1fr)}
      .faq-wrap{gap:34px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .section{padding:59px 0}
      .site-header{height:68px}
      .header-inner{gap:13px}
      .header-inner>.btn{margin-left:auto;padding:9px 12px;font-size:13px}
      .menu-btn{display:block}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;padding:13px 15px 18px;background:#fffdfa;border-bottom:1px solid var(--line);box-shadow:0 10px 22px rgba(43,28,17,.08);flex-direction:column;align-items:stretch;gap:2px}
      .nav.open{display:flex}
      .nav a{padding:9px 8px}
      .page-banner{padding:38px 0}
      h1{font-size:35px}
      .banner-bottom{display:block}
      .banner-bottom p{font-size:15px}
      .banner-bottom .status{margin-top:14px}
      .section-head{align-items:start;display:block}
      .section-head p{margin-top:11px}
      .guide-list,.quick-answer-grid{grid-template-columns:1fr}
      .faq-wrap{grid-template-columns:1fr}
      .version-notice{grid-template-columns:auto 1fr}
      .version-time{grid-column:2}
      .download-inner{display:block}
      .download-actions{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:27px}
      .copyright{display:block}
      .copyright span{display:block;margin:5px 0}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .logo{font-size:19px}
      .logo small{font-size:8px;margin-left:3px}
      .header-inner>.btn{padding:8px 9px;font-size:12px}
      h1{font-size:31px}
      .section-head h2{font-size:27px}
      .page-banner:after{right:-90px}
      .filter-bar{padding:13px;gap:6px}
      .filter-bar a{padding:6px 10px;font-size:13px}
      .feature-copy{padding:28px 24px}
      .feature-copy h2{font-size:24px}
      .feature-art{min-height:200px}
      .art-panel{left:18px;bottom:18px;font-size:14px}
      .route-grid{grid-template-columns:1fr}
      .version-notice{padding:21px;gap:14px}
      .version-notice h2{font-size:18px}
      .download-inner h2{font-size:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

/* roulang page: category1 */
:root{
      --ink:#242321;
      --muted:#77736d;
      --paper:#fffdfa;
      --sand:#f4eee6;
      --line:#e7ded4;
      --orange:#ef633f;
      --orange-dark:#d84c2f;
      --orange-soft:#fff0e9;
      --graphite:#252525;
      --radius:18px;
      --shadow:0 14px 35px rgba(65,42,27,.09);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .section{padding:70px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{margin:0;font-size:30px;letter-spacing:-.04em}
    .section-head p{color:var(--muted);margin:0;max-width:590px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:11px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(239,99,63,.2)}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(216,76,47,.28)}
    .btn-light{background:#fff8f4;border-color:#f2cfc1;color:var(--orange-dark)}
    .btn-light:hover{background:var(--orange-soft);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(239,99,63,.28);outline-offset:3px}
    .tag,.status{display:inline-flex;border-radius:99px;padding:4px 10px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:700}
    .site-header{height:78px;background:rgba(255,253,250,.94);border-bottom:1px solid rgba(231,222,212,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{font-weight:900;font-size:21px;letter-spacing:-.04em;white-space:nowrap}
    .logo small{font-size:10px;color:var(--orange);letter-spacing:.12em;margin-left:6px}
    .nav{display:flex;align-items:center;gap:26px;flex:1}
    .nav a{font-size:14px;color:#5c5853;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--orange-dark);font-weight:700}
    .menu-btn{display:none;background:none;font-size:25px}
    .page-hero{padding:48px 0 44px;background:linear-gradient(120deg,#fffdfa,#fff3eb);border-bottom:1px solid var(--line)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .breadcrumb a{color:var(--orange-dark)}
    .page-hero h1{font-size:44px;line-height:1.2;letter-spacing:-.055em;margin:0 0 14px}
    .page-hero p{max-width:720px;color:var(--muted);font-size:17px;margin:0 0 22px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
    .filter-bar a{padding:7px 15px;border-radius:99px;color:var(--muted);font-size:14px;transition:.2s}
    .filter-bar a:hover,.filter-bar a.active{background:var(--orange);color:#fff}
    .featured{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:stretch}
    .feature-visual{min-height:300px;border-radius:20px;background:linear-gradient(135deg,#3b302c 12%,#ef633f 62%,#f4c092);padding:28px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .feature-visual:after{content:"NEWS";position:absolute;right:-12px;bottom:-28px;font-size:100px;font-weight:900;color:rgba(255,255,255,.1);letter-spacing:-.08em}
    .feature-visual strong{font-size:22px;max-width:340px;position:relative;z-index:1}
    .feature-visual .news-mark{font-size:54px;font-weight:900;line-height:1;color:#fff}
    .feature-copy{padding:14px 6px}
    .feature-copy h2{font-size:28px;line-height:1.35;margin:15px 0 12px}
    .feature-copy p{color:var(--muted);margin-bottom:22px}
    .news-list{display:grid;gap:12px}
    .news-item{display:grid;grid-template-columns:74px 1fr auto;gap:17px;align-items:center;padding:18px 20px;border:1px solid var(--line);background:#fff;border-radius:16px;transition:.2s}
    .news-item:hover{border-color:#efb7a5;transform:translateX(3px);box-shadow:0 8px 20px rgba(65,42,27,.06)}
    .news-item time{color:var(--orange);font-size:13px;font-weight:800}
    .news-item h3{font-size:17px;margin:0 0 3px}
    .news-item p{margin:0;color:var(--muted);font-size:13px}
    .news-item .arrow{font-size:22px;color:var(--orange)}
    .content-columns{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .calendar,.ranking,.subscribe-card,.faq-box{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(54,35,24,.05)}
    .calendar h3,.ranking h3,.subscribe-card h3,.faq-box h3{margin:0 0 18px;font-size:20px}
    .date-row{display:flex;align-items:center;gap:17px;padding:14px 0;border-bottom:1px solid var(--line)}
    .date-row:last-child{border:0}
    .date-box{width:52px;text-align:center;color:var(--orange);font-weight:800;line-height:1.2}
    .date-box strong{display:block;font-size:22px}
    .date-row p{margin:0;font-size:14px}
    .date-row small{display:block;color:var(--muted)}
    .rank-item{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
    .rank-item:last-child{border:0}
    .rank-number{color:var(--orange);font-size:20px;font-weight:900}
    .rank-item strong{font-size:14px}
    .rank-item small{display:block;color:var(--muted);font-size:12px}
    .subscribe-wrap{background:var(--sand)}
    .subscribe-card{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fffaf6}
    .subscribe-card p{color:var(--muted);margin:0;max-width:620px}
    .subscribe-form{display:flex;gap:9px;min-width:350px}
    .subscribe-form input{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fff;color:var(--ink)}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
    .faq-item summary{padding:17px 20px;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:45px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:20px;color:var(--orange);font-size:22px;top:12px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{padding:0 20px 18px;color:var(--muted);font-size:14px;margin:0}
    .cta-band{padding:32px 36px;border-radius:20px;background:var(--graphite);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-band h2{font-size:25px;margin:0 0 6px}
    .cta-band p{color:#cfc6bf;margin:0}
    .site-footer{background:var(--graphite);color:#fff;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
    .footer-grid p{color:#bcb4ae;font-size:14px;max-width:270px;margin:16px 0 0}
    .footer-title{font-weight:800;margin-bottom:14px;color:#fff}
    .footer-grid>a,.footer-grid div>a{display:block;color:#bcb4ae;font-size:14px;margin:8px 0;transition:.2s}
    .footer-grid div>a:hover{color:#ff9276}
    .site-footer .logo{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #46423f;margin-top:38px;padding-top:18px;color:#8f8984;font-size:12px}
    @media(max-width:1024px){
      .header-inner{gap:22px}.nav{gap:16px}
      .featured{grid-template-columns:1fr 1fr}
      .content-columns{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .site-header{height:68px}
      .header-inner{gap:12px}
      .nav{display:none;position:absolute;left:14px;right:14px;top:74px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}
      .nav a{padding:11px 14px;border-bottom:1px solid var(--line)}
      .nav a:last-child{border:0}
      .header-inner>.btn{margin-left:auto;padding:8px 13px;font-size:13px}
      .menu-btn{display:block}
      .page-hero{padding:38px 0 34px}
      .page-hero h1{font-size:36px}
      .section{padding:52px 0}
      .featured{grid-template-columns:1fr;gap:18px}
      .feature-visual{min-height:230px}
      .news-item{grid-template-columns:62px 1fr auto;gap:10px;padding:15px}
      .subscribe-card{display:block}
      .subscribe-form{min-width:0;margin-top:20px}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
      .cta-band{display:block;padding:27px 24px}
      .cta-band .btn{margin-top:18px}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .section-head{display:block}
      .section-head h2{font-size:25px;margin-bottom:7px}
      .page-hero h1{font-size:32px}
      .hero-meta{gap:7px}
      .filter-bar{padding:12px;gap:5px}
      .filter-bar a{padding:6px 10px;font-size:13px}
      .news-item{grid-template-columns:1fr auto}
      .news-item time{grid-column:1/-1}
      .news-item h3{font-size:15px}
      .news-item p{font-size:12px}
      .calendar,.ranking,.subscribe-card,.faq-box{padding:20px}
      .subscribe-form{display:block}
      .subscribe-form .btn{width:100%;margin-top:9px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }