/* roulang page: index */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--shadow:0 18px 45px rgba(19,25,42,.10);--radius:20px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{background:var(--night);color:#fff;position:relative;z-index:10}.topbar{min-height:78px;display:flex;align-items:center;gap:24px}.brand{font-family:"Space Grotesk";font-size:1.45rem;font-weight:700;letter-spacing:-.04em;white-space:nowrap}.brand span{color:var(--lime)}.search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px}.search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}.search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 19px;font-weight:700;border:1px solid transparent}.primary-btn{background:var(--lime);color:var(--ink)}.primary-btn:hover{background:#e6ff72;transform:translateY(-2px)}.secondary-btn{background:transparent;border-color:#535c72;color:#fff}.secondary-btn:hover{border-color:var(--lime);color:var(--lime)}.menu-toggle{display:none}.channels{border-top:1px solid #2e3548;border-bottom:1px solid #2e3548;overflow-x:auto}.channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0}.channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem}.channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}.hero{background:var(--night);color:#fff;padding:72px 0 80px;background-image:linear-gradient(90deg,rgba(23,27,40,.98) 25%,rgba(23,27,40,.77)),url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.eyebrow,.label{color:var(--lime);font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.hero h1{font:700 clamp(2.4rem,5vw,4.8rem)/1.04 "Space Grotesk";letter-spacing:-.065em;margin:16px 0 20px;max-width:680px}.hero p{color:#d0d5df;max-width:650px;font-size:1.08rem}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.trust{display:flex;gap:22px;flex-wrap:wrap;color:#b5bbca;font-size:.82rem}.trust strong{display:block;color:#fff;font-size:1.1rem}.scoreboard{background:rgba(32,38,56,.94);border:1px solid #414a62;border-radius:24px;padding:22px;box-shadow:var(--shadow);transform:rotate(1deg)}.board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #414a62;padding-bottom:16px;margin-bottom:7px}.live{color:var(--lime);font-size:.75rem;font-weight:700}.score-row{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid #343c50}.score-row:last-child{border:0}.rank{color:var(--orange);font-weight:700}.score-row small{display:block;color:#9da6b8}.score{font-weight:700}.section{padding:86px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head h2{font:600 clamp(1.8rem,3vw,2.8rem)/1.1 "Space Grotesk";letter-spacing:-.05em;margin:8px 0 0}.section-head p{color:var(--muted);max-width:530px;margin:0}.entry-bar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;gap:15px;align-items:center;box-shadow:var(--shadow)}.entry-bar input{border:1px solid var(--line);border-radius:10px;padding:12px 15px;flex:1;min-width:0}.dark-section{background:var(--night);color:#fff}.dark-section .section-head p{color:#b8bfce}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.matrix a{background:var(--panel);border:1px solid #343d53;border-radius:16px;padding:22px;min-height:130px}.matrix a:hover{border-color:var(--lime);transform:translateY(-4px)}.matrix b{display:block;color:var(--lime);margin-bottom:8px}.matrix span{font-size:.9rem;color:#bcc3d0}.feature-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px}.feature-image{min-height:390px;border-radius:var(--radius);background:url('/assets/images/coverpic/cover-3.png') center/cover;position:relative;overflow:hidden}.feature-image:after{content:"4rabetindia mobile view";position:absolute;bottom:18px;left:18px;background:#fff;color:var(--ink);padding:7px 12px;border-radius:8px;font-size:.78rem;font-weight:700}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.feature-card,.scenario,.resource,.review,.plan,.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;transition:.25s ease}.feature-card:hover,.scenario:hover,.resource:hover,.review:hover,.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-card strong{display:block;font-size:1.05rem;margin-bottom:7px}.feature-card p,.scenario p,.resource p,.review p,.article-card p{color:var(--muted);font-size:.9rem;margin:0}.icon{width:36px;height:36px;border-radius:10px;background:#eef8b9;display:grid;place-items:center;margin-bottom:15px;font-weight:700}.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.scenario{min-height:170px}.number{font:700 2rem "Space Grotesk";color:var(--violet)}.showcase{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;background:#ececfb;border-radius:var(--radius);padding:25px}.showcase-main{min-height:330px;border-radius:15px;background:url('/assets/images/coverpic/cover-7.jpg') center/cover}.showcase-copy{padding:15px}.showcase-copy h3{font:600 1.8rem "Space Grotesk"}.thumbs{display:flex;gap:10px;margin-top:14px}.thumbs img{width:70px;height:55px;border-radius:8px;cursor:pointer}.results{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.result{background:#fff;padding:27px}.result strong{font:700 2.1rem "Space Grotesk";display:block;color:var(--violet)}.result span{color:var(--muted);font-size:.85rem}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.plan{position:relative}.plan.featured{background:var(--night);color:#fff;border-color:var(--night)}.plan .label{color:var(--violet)}.featured .label{color:var(--lime)}.plan h3{font:600 1.35rem "Space Grotesk"}.plan ul{list-style:none;margin:20px 0;padding:0}.plan li{padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}.featured li{border-color:#3b4357;color:#d7dbe5}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.review{min-height:180px}.stars{color:#e28a27;letter-spacing:2px}.review cite{display:block;font-style:normal;font-weight:700;margin-top:18px}.voice{background:var(--orange);border-radius:var(--radius);padding:30px;display:flex;justify-content:space-between;gap:30px;align-items:center}.voice blockquote{font:600 1.5rem/1.3 "Space Grotesk";margin:0;max-width:700px}.updates{display:grid;grid-template-columns:1.5fr 1fr;gap:16px}.article-card{display:grid;grid-template-columns:145px 1fr;gap:18px}.article-card img{width:145px;height:110px;border-radius:11px}.article-card h3{font:600 1.12rem "Space Grotesk";margin:7px 0}.article-card time{font-size:.76rem;color:var(--violet)}.resource-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.resource b{display:block;margin-bottom:8px}.final-cta{background:var(--night);color:#fff;border-radius:var(--radius);padding:44px;display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{font:600 2.3rem "Space Grotesk";margin:5px 0}.final-cta p{color:#bac1cf;margin:0;max-width:600px}.site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.site-footer h3{color:#fff;font:600 1rem "Space Grotesk"}.site-footer a{display:block;margin:9px 0;font-size:.88rem}.site-footer a:hover{color:var(--lime)}.footer-brand{color:#fff;font:700 1.4rem "Space Grotesk"}.footer-brand span{color:var(--lime)}.copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
@media(max-width:900px){.hero-grid,.feature-layout,.showcase,.updates{grid-template-columns:1fr}.matrix{grid-template-columns:repeat(2,1fr)}.resource-grid{grid-template-columns:repeat(2,1fr)}.hero{padding:55px 0}.scoreboard{max-width:560px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 28px,var(--max))}.topbar{gap:10px}.brand{font-size:1.2rem}.search{width:38px;padding:2px;border:0}.search input{display:none}.search button{width:36px}.topbar>.primary-btn{display:none}.menu-toggle{display:block}.hero h1{font-size:2.65rem}.hero p{font-size:.98rem}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:14px}.feature-list,.scenarios,.plans,.reviews{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr}.entry-bar{display:block}.entry-bar input{width:100%;margin-bottom:10px}.entry-bar .primary-btn{width:100%}.results{grid-template-columns:1fr 1fr}.result{padding:18px}.article-card{grid-template-columns:95px 1fr;padding:14px;gap:12px}.article-card img{width:95px;height:90px}.voice,.final-cta{display:block;padding:28px}.voice .primary-btn,.final-cta .primary-btn{margin-top:20px}.resource-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: article */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--shadow:0 18px 45px rgba(19,25,42,.10);--shadow-dark:0 20px 55px rgba(7,10,18,.26);--radius:20px;--radius-sm:13px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{background:var(--night);color:#fff;position:relative;z-index:20;border-bottom:1px solid #2c3446}.topbar{min-height:78px;display:flex;align-items:center;gap:24px}.brand{font-family:"Space Grotesk",sans-serif;font-size:1.45rem;font-weight:700;letter-spacing:-.04em;white-space:nowrap}.brand span,.footer-brand span{color:var(--lime)}.search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px;background:#1b2030}.search:focus-within{border-color:var(--lime)}.search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}.search input::placeholder{color:#98a1b4}.search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;line-height:1;cursor:pointer;font-size:1.2rem}.primary-btn,.secondary-btn,.text-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s ease}.primary-btn,.secondary-btn{border-radius:10px;padding:13px 19px;border:1px solid transparent}.primary-btn{background:var(--lime);color:var(--ink)}.primary-btn:hover{background:#e7ff79;transform:translateY(-2px);box-shadow:0 8px 20px rgba(215,243,75,.18)}.secondary-btn{background:transparent;border-color:#4c566e;color:#fff}.secondary-btn:hover{border-color:var(--lime);color:var(--lime)}.menu-toggle{display:none}.channels{background:#121622;border-top:1px solid #293043}.channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0;overflow-x:auto;scrollbar-width:none}.channel-list::-webkit-scrollbar{display:none}.channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem;flex:0 0 auto}.channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}
.article-banner{background:linear-gradient(100deg,rgba(23,27,40,.98),rgba(23,27,40,.74)),url('/assets/images/backpic/back-4.png') center/cover;color:#fff;padding:34px 0 38px}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:.82rem;color:#bec5d2}.breadcrumb a{color:var(--lime)}.breadcrumb i{font-style:normal;color:#7c869b}.article-shell{padding:46px 0 86px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:38px;align-items:start}.reading-column{min-width:0}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:.88rem;margin:20px 0}.article-meta time{display:inline-flex;gap:7px;align-items:center}.category-pill,.status-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:99px;font-weight:700;font-size:.74rem;letter-spacing:.04em;text-transform:uppercase}.category-pill{background:#ecebff;color:#4e43d6}.status-pill{background:#edf8bf;color:#405100}.article-title{font:600 clamp(2.3rem,4.6vw,4.35rem)/1.07 "Space Grotesk",sans-serif;letter-spacing:-.065em;margin:0;max-width:900px}.article-summary{font-size:1.13rem;color:#4e5667;max-width:810px;margin:22px 0 28px}.cover-frame{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--night);min-height:350px;box-shadow:var(--shadow-dark)}.cover-frame img{width:100%;height:100%;min-height:350px}.cover-frame:after{content:"4rabetindia resource";position:absolute;left:18px;bottom:18px;background:rgba(17,20,29,.88);border:1px solid rgba(255,255,255,.2);padding:8px 12px;border-radius:8px;color:#fff;font-size:.75rem;font-weight:700}.caption{margin:10px 3px 0;color:var(--muted);font-size:.78rem}.reading-section{margin-top:36px}.reading-section h2,.cms-content h2{font:600 clamp(1.55rem,3vw,2.2rem)/1.16 "Space Grotesk",sans-serif;letter-spacing:-.04em;margin:42px 0 14px}.reading-section h3,.cms-content h3{font:600 1.22rem/1.25 "Space Grotesk",sans-serif;margin:29px 0 10px}.cms-content{font-size:1.04rem;color:#29303e}.cms-content p{margin:0 0 20px}.cms-content ul,.cms-content ol{padding-left:23px;margin:0 0 24px}.cms-content li{padding-left:6px;margin:8px 0}.cms-content a{color:#5146da;font-weight:700;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.cms-content blockquote{margin:28px 0;padding:18px 21px;border-left:4px solid var(--orange);background:#fff7f1;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#4d392e;font-weight:600}.cms-content table{width:100%;border-collapse:collapse;margin:25px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.92rem}.cms-content th{background:#202638;color:#fff;text-align:left}.cms-content th,.cms-content td{padding:12px;border-bottom:1px solid var(--line)}.cms-content img{border-radius:14px;margin:26px 0;width:100%;height:auto}.info-callout{display:grid;grid-template-columns:42px 1fr;gap:14px;background:#edf8bf;border:1px solid #d6e99b;padding:20px;border-radius:var(--radius-sm);margin:34px 0}.info-callout strong{display:block;margin-bottom:4px}.info-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--lime);font-weight:800;font-size:1.2rem}.toc-card,.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;box-shadow:0 10px 30px rgba(19,25,42,.04)}.toc-card{position:sticky;top:20px}.toc-card h2,.side-card h2{font:600 1.08rem "Space Grotesk",sans-serif;margin:0 0 13px}.toc-card a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:.88rem;color:#535c6d}.toc-card a:last-child{border-bottom:0}.toc-card a:hover{color:#4e43d6;padding-left:4px}.side-card{margin-top:17px;background:var(--night);color:#fff;border-color:var(--night)}.side-card p{color:#bfc6d3;font-size:.88rem;margin:9px 0 16px}.side-card .primary-btn{width:100%;font-size:.9rem}.resource-row{margin-top:45px;border-top:1px solid var(--line);padding-top:30px}.resource-row h2{font:600 1.55rem "Space Grotesk",sans-serif;letter-spacing:-.04em;margin:0 0 16px}.resource-box{display:grid;grid-template-columns:108px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px}.resource-box:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.resource-box img{width:108px;height:82px;border-radius:10px}.resource-box h3{font:600 1.02rem "Space Grotesk",sans-serif;margin:0 0 5px}.resource-box p{margin:0;color:var(--muted);font-size:.86rem}.text-link{color:#4f45d9;font-size:.87rem;white-space:nowrap}.text-link:hover{color:#e26d35}.reader-cta{margin-top:42px;border-radius:var(--radius);padding:34px;background:var(--panel);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.reader-cta h2{font:600 clamp(1.5rem,3vw,2rem)/1.15 "Space Grotesk",sans-serif;letter-spacing:-.04em;margin:5px 0}.reader-cta p{margin:0;color:#b8c0cf;max-width:580px}.empty-article{background:#fff;border:1px dashed #b9c1cf;border-radius:var(--radius);padding:55px 28px;text-align:center}.empty-article h2{font:600 1.8rem "Space Grotesk",sans-serif;margin:0 0 10px}.empty-article p{color:var(--muted);margin:0 0 20px}
.site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.site-footer h3{color:#fff;font:600 1rem "Space Grotesk",sans-serif}.site-footer p{font-size:.88rem;margin:8px 0}.site-footer a{display:block;margin:9px 0;font-size:.88rem}.site-footer a:hover{color:var(--lime)}.footer-brand{color:#fff;font:700 1.4rem "Space Grotesk",sans-serif}.copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.article-grid{grid-template-columns:minmax(0,1fr) 250px;gap:26px}.article-title{font-size:3.2rem}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.container{width:min(100% - 28px,var(--max))}.topbar{gap:10px;min-height:69px}.brand{font-size:1.2rem}.search{width:38px;padding:2px;border:0;margin-left:auto}.search input{display:none}.search button{width:36px;height:36px}.topbar>.primary-btn{display:none}.menu-toggle{display:block}.channels{overflow:hidden}.channel-list{padding:9px 0}.article-banner{padding:25px 0 28px}.article-shell{padding:32px 0 58px}.article-grid{display:block}.article-sidebar{display:none}.article-title{font-size:2.45rem}.article-summary{font-size:1rem}.cover-frame,.cover-frame img{min-height:250px}.reading-section{margin-top:28px}.resource-box{grid-template-columns:82px 1fr}.resource-box img{width:82px;height:70px}.resource-box .text-link{grid-column:2}.reader-cta{display:block;padding:27px}.reader-cta .primary-btn{margin-top:19px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}@media(max-width:520px){.article-title{font-size:2.05rem}.article-meta{gap:8px 13px}.cover-frame,.cover-frame img{min-height:210px}.cms-content{font-size:1rem}.cms-content table{display:block;overflow-x:auto;white-space:nowrap}.info-callout{grid-template-columns:1fr;padding:17px}.resource-box{grid-template-columns:1fr}.resource-box img{width:100%;height:150px}.resource-box .text-link{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}}

/* roulang page: category1 */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--shadow:0 18px 45px rgba(19,25,42,.1);--radius:20px;--max:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:var(--night);color:#fff;position:relative;z-index:10}.topbar{min-height:78px;display:flex;align-items:center;gap:24px}.brand{font-family:"Space Grotesk";font-size:1.45rem;font-weight:700;letter-spacing:-.04em;white-space:nowrap}.brand span,.footer-brand span{color:var(--lime)}.search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px}.search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}.search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 19px;font-weight:700;border:1px solid transparent}.primary-btn{background:var(--lime);color:var(--ink)}.primary-btn:hover{background:#e6ff72;transform:translateY(-2px)}.secondary-btn{background:transparent;border-color:#535c72;color:#fff}.secondary-btn:hover{border-color:var(--lime);color:var(--lime)}.menu-toggle{display:none}.channels{border-top:1px solid #292f40}.channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0;overflow-x:auto}.channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem}.channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}
    .page-banner{background:var(--night);color:#fff;padding:58px 0 70px;background-image:linear-gradient(90deg,rgba(23,27,40,.96),rgba(23,27,40,.68)),url('/assets/images/backpic/back-4.png');background-size:cover;background-position:center}.crumb{color:var(--lime);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.page-banner h1{font:700 clamp(2.3rem,5vw,4.4rem)/1.06 "Space Grotesk";letter-spacing:-.06em;max-width:760px;margin:15px 0}.page-banner p{color:#d0d5df;max-width:690px;font-size:1.06rem;margin:0}
    .section{padding:78px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head h2{font:600 clamp(1.8rem,3vw,2.8rem)/1.1 "Space Grotesk";letter-spacing:-.05em;margin:8px 0 0}.section-head p{color:var(--muted);max-width:540px;margin:0}.label{color:var(--violet);font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.directory{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.download-panel,.checklist,.device-card,.step,.note,.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.download-panel{display:grid;grid-template-columns:170px 1fr;gap:24px;align-items:center}.download-panel img{width:170px;height:190px;border-radius:13px}.download-panel h3,.device-card h3,.step h3{font:600 1.25rem "Space Grotesk";margin:7px 0}.download-panel p,.device-card p,.step p,.checklist li,.note p,.faq-item p{color:var(--muted);font-size:.92rem}.badge{display:inline-block;padding:5px 10px;border-radius:99px;background:#eef1ff;color:#5349c9;font-size:.75rem;font-weight:700}.checklist h3{font:600 1.2rem "Space Grotesk";margin-top:0}.checklist ul{padding-left:20px;margin-bottom:0}.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.device-card{position:relative;overflow:hidden}.device-card:before{content:"";display:block;height:5px;width:42px;background:var(--orange);border-radius:5px;margin-bottom:16px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{position:relative}.step-number{font:700 2rem "Space Grotesk";color:var(--violet)}.dark-section{background:var(--night);color:#fff}.dark-section .section-head p,.dark-section .step p{color:#b8bfce}.dark-section .step{background:var(--panel);border-color:#343d53}.comparison{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.comparison th,.comparison td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-size:.92rem}.comparison th{background:#eef1f7;font-family:"Space Grotesk"}.comparison tr:last-child td{border-bottom:0}.comparison td:not(:first-child){color:var(--muted)}.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note strong{font-family:"Space Grotesk"}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item h3{font:600 1.05rem "Space Grotesk";margin:0 0 8px}.faq-item p{margin:0}.final-cta{background:var(--night);color:#fff;border-radius:var(--radius);padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{font:600 2.2rem "Space Grotesk";margin:5px 0}.final-cta p{color:#bac1cf;margin:0;max-width:620px}.site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.site-footer h3{color:#fff;font:600 1rem "Space Grotesk"}.site-footer a{display:block;margin:9px 0;font-size:.88rem}.site-footer a:hover{color:var(--lime)}.footer-brand{color:#fff;font:700 1.4rem "Space Grotesk"}.copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){.directory{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.device-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:620px){.container{width:min(100% - 28px,var(--max))}.topbar{gap:10px}.brand{font-size:1.2rem}.search{width:38px;padding:2px;border:0}.search input{display:none}.search button{width:36px}.topbar>.primary-btn{display:none}.menu-toggle{display:block}.page-banner{padding:48px 0 55px}.page-banner h1{font-size:2.55rem}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:14px}.download-panel{grid-template-columns:1fr}.download-panel img{width:100%;height:180px}.device-grid,.steps,.notes-grid,.faq-list{grid-template-columns:1fr}.comparison{display:block;overflow-x:auto;white-space:nowrap}.final-cta{padding:28px;display:block}.final-cta .primary-btn{margin-top:20px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: category2 */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--shadow:0 18px 45px rgba(19,25,42,.10);--radius:20px;--max:1180px}
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:var(--night);color:#fff;position:relative;z-index:10}
    .topbar{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand{font-family:"Space Grotesk";font-size:1.45rem;font-weight:700;letter-spacing:-.04em;white-space:nowrap}
    .brand span,.footer-brand span{color:var(--lime)}
    .search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px}
    .search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}
    .search input::placeholder{color:#9da6b8}
    .search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer}
    .primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 19px;font-weight:700;border:1px solid transparent}
    .primary-btn{background:var(--lime);color:var(--ink)}
    .primary-btn:hover{background:#e6ff72;transform:translateY(-2px)}
    .secondary-btn{background:transparent;border-color:#535c72;color:#fff}
    .secondary-btn:hover{border-color:var(--lime);color:var(--lime)}
    .menu-toggle{display:none}
    .channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0;overflow-x:auto}
    .channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem}
    .channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}
    .hero{background:var(--night);color:#fff;padding:70px 0 78px;background-image:linear-gradient(90deg,rgba(23,27,40,.96) 24%,rgba(23,27,40,.62)),url('/assets/images/backpic/back-4.png');background-size:cover;background-position:center}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
    .eyebrow,.label{color:var(--lime);font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
    .hero h1{font:700 clamp(2.4rem,5vw,4.6rem)/1.04 "Space Grotesk";letter-spacing:-.065em;margin:16px 0 20px;max-width:690px}
    .hero p{color:#d0d5df;max-width:650px;font-size:1.08rem}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-card{background:rgba(32,38,56,.94);border:1px solid #3b4357;border-radius:var(--radius);padding:15px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
    .hero-card img{height:280px;width:100%;border-radius:14px}
    .hero-card figcaption{display:flex;justify-content:space-between;gap:15px;padding:15px 4px 3px;font-size:.88rem}
    .status{color:var(--lime);font-weight:700}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-head h2{font:600 clamp(1.8rem,3vw,2.8rem)/1.1 "Space Grotesk";letter-spacing:-.05em;margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:540px;margin:0}
    .context{color:var(--violet);font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
    .access-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .panel,.device-card,.resource-card,.note-card,.faq-item{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:25px}
    .panel{box-shadow:var(--shadow)}
    .panel h3,.device-card h3,.resource-card h3,.note-card h3{font:600 1.2rem "Space Grotesk";margin:0 0 9px}
    .panel p,.device-card p,.resource-card p,.note-card p{color:var(--muted);margin:0}
    .check-list{list-style:none;margin:20px 0 0;padding:0}
    .check-list li{padding:13px 0 13px 29px;border-top:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:#697d00;font-weight:700}
    .device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .device-card{min-height:185px}
    .device-card .number{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;background:var(--lime);border-radius:50%;font-weight:700;margin-bottom:18px}
    .split{display:grid;grid-template-columns:.84fr 1.16fr;gap:28px;align-items:stretch}
    .media-card{min-height:360px;border-radius:var(--radius);overflow:hidden;background:url('/assets/images/coverpic/cover-6.png') center/cover;position:relative}
    .media-card:after{content:"4rabetindia mobile interface";position:absolute;bottom:18px;left:18px;background:#fff;padding:8px 12px;border-radius:8px;font-size:.78rem;font-weight:700}
    .resource-list{display:grid;gap:13px}
    .resource-card{display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:start}
    .resource-icon{width:54px;height:54px;border-radius:13px;background:var(--night);color:var(--lime);display:grid;place-items:center;font:700 1.2rem "Space Grotesk"}
    .resource-card a{color:#5950c8;font-size:.84rem;font-weight:700;display:inline-block;margin-top:8px}
    .resource-card a:hover{color:var(--orange)}
    .dark-section{background:var(--night);color:#fff}
    .dark-section .section-head p{color:#b8bfce}
    .dark-section .panel{background:var(--panel);border-color:#3b4357;color:#fff;box-shadow:none}
    .dark-section .panel p{color:#c1c7d4}
    .comparison{width:100%;border-collapse:collapse;background:var(--white);border-radius:16px;overflow:hidden}
    .comparison th,.comparison td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line)}
    .comparison th{background:#eceff5;font:600 .9rem "Space Grotesk"}
    .comparison td{font-size:.9rem;color:var(--muted)}
    .comparison td:first-child{color:var(--ink);font-weight:700}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-item h3{font:600 1.05rem "Space Grotesk";margin:0 0 8px}
    .faq-item p{color:var(--muted);font-size:.92rem;margin:0}
    .final-cta{background:var(--night);color:#fff;border-radius:var(--radius);padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .final-cta h2{font:600 2.25rem "Space Grotesk";margin:5px 0}
    .final-cta p{color:#bac1cf;margin:0;max-width:620px}
    .site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
    .site-footer h3{color:#fff;font:600 1rem "Space Grotesk"}
    .site-footer a{display:block;margin:9px 0;font-size:.88rem}
    .site-footer a:hover{color:var(--lime)}
    .footer-brand{color:#fff;font:700 1.4rem "Space Grotesk"}
    .copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){.hero-grid,.access-grid,.split{grid-template-columns:1fr}.device-grid{grid-template-columns:1fr 1fr}.hero{padding:56px 0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:600px){.container{width:min(100% - 28px,var(--max))}.topbar{gap:10px}.brand{font-size:1.2rem}.search{width:38px;padding:2px;border:0}.search input{display:none}.search button{width:36px}.topbar>.primary-btn{display:none}.menu-toggle{display:block}.hero h1{font-size:2.65rem}.hero p{font-size:.98rem}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:14px}.device-grid,.faq-list{grid-template-columns:1fr}.comparison{font-size:.82rem}.comparison th,.comparison td{padding:13px 10px}.final-cta{padding:28px;display:block}.final-cta .primary-btn{margin-top:22px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category3 */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--danger:#d65050;--shadow:0 18px 45px rgba(19,25,42,.10);--radius:20px;--max:1180px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:var(--night);color:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid #30384a}
    .topbar{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand{font-family:"Space Grotesk",sans-serif;font-size:1.45rem;font-weight:700;letter-spacing:-.04em;white-space:nowrap}
    .brand span{color:var(--lime)}
    .search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px}
    .search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}
    .search input::placeholder{color:#9ca4b7}
    .search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer;font-size:1.1rem;line-height:1}
    .primary-btn,.secondary-btn,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 19px;font-weight:700;border:1px solid transparent}
    .primary-btn{background:var(--lime);color:var(--ink)}
    .primary-btn:hover{background:#e6ff72;transform:translateY(-2px)}
    .secondary-btn{background:transparent;border-color:#535c72;color:#fff}
    .secondary-btn:hover{border-color:var(--lime);color:var(--lime)}
    .text-btn{padding:0;color:var(--violet);border-radius:0}
    .text-btn:hover{color:var(--ink);gap:12px}
    .menu-toggle{display:none}
    .channels{background:#121621;border-top:1px solid #2d3445}
    .channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0;overflow-x:auto;scrollbar-width:none}
    .channel-list::-webkit-scrollbar{display:none}
    .channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem;flex:none}
    .channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}
    main{display:block}
    .section{padding:82px 0}
    .dark-section{background:var(--night);color:#fff}
    .eyebrow,.label{color:var(--violet);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
    .dark-section .eyebrow,.dark-section .label{color:var(--lime)}
    .page-intro{background:linear-gradient(118deg,#171b28 0%,#202638 66%,#2d2b4c 100%);color:#fff;padding:64px 0 66px;position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;right:-80px;bottom:-120px;width:430px;height:430px;border:1px solid rgba(215,243,75,.25);border-radius:50%;box-shadow:0 0 0 48px rgba(215,243,75,.05),0 0 0 96px rgba(215,243,75,.035)}
    .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;gap:9px;color:#aeb7c8;font-size:.85rem;margin-bottom:25px}
    .breadcrumb span{color:var(--lime)}
    .intro-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.16fr .84fr;gap:52px;align-items:end}
    .intro-grid h1{font:700 clamp(2.4rem,5vw,4.45rem)/1.04 "Space Grotesk",sans-serif;letter-spacing:-.065em;margin:13px 0 18px;max-width:760px}
    .intro-grid p{max-width:675px;color:#cbd1dd;font-size:1.06rem;margin:0}
    .access-status{border:1px solid #3a4359;border-radius:16px;background:rgba(10,13,23,.42);padding:20px}
    .access-status strong{display:block;font:600 1.08rem "Space Grotesk",sans-serif;color:#fff;margin-bottom:10px}
    .access-status p{font-size:.9rem;margin:0 0 15px}
    .status-line{display:flex;align-items:center;gap:9px;color:#d8dee9;font-size:.82rem}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(215,243,75,.12)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-head h2{font:600 clamp(1.8rem,3vw,2.8rem)/1.1 "Space Grotesk",sans-serif;letter-spacing:-.05em;margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:530px;margin:0}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .guide-aside{border-radius:var(--radius);overflow:hidden;min-height:450px;background:#171b28;position:relative}
    .guide-aside img{width:100%;height:100%;position:absolute;inset:0;opacity:.72}
    .guide-aside:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,15,25,.9),rgba(12,15,25,.1))}
    .guide-copy{position:absolute;z-index:1;bottom:28px;left:28px;right:28px;color:#fff}
    .guide-copy h3{font:600 1.65rem/1.15 "Space Grotesk",sans-serif;margin:0 0 9px}
    .guide-copy p{color:#d1d7e3;margin:0;font-size:.92rem}
    .resource-list{display:grid;gap:12px}
    .resource{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px 20px;display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:16px;transition:.25s ease}
    .resource:hover{border-color:#c9c4ff;transform:translateX(4px);box-shadow:var(--shadow)}
    .resource-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#f0efff;color:var(--violet);font-weight:700}
    .resource h3{font:600 1.04rem "Space Grotesk",sans-serif;margin:0 0 3px}
    .resource p{margin:0;color:var(--muted);font-size:.87rem}
    .arrow{font-size:1.3rem;color:var(--violet)}
    .security-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .security-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:0}
    .security-lead{padding:27px 30px 27px 0}
    .security-lead h2{font:600 1.72rem/1.15 "Space Grotesk",sans-serif;letter-spacing:-.04em;margin:7px 0 0}
    .security-point{padding:28px;border-left:1px solid var(--line)}
    .security-point b{display:block;font:600 1rem "Space Grotesk",sans-serif;margin:9px 0 5px}
    .security-point p{margin:0;color:var(--muted);font-size:.86rem}
    .number{color:var(--orange);font-weight:700;font-size:.8rem}
    .check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .check-card{border-radius:18px;padding:27px;background:#fff;border:1px solid var(--line)}
    .check-card.accent{background:var(--panel);border-color:var(--panel);color:#fff}
    .check-card h3{font:600 1.25rem "Space Grotesk",sans-serif;margin:0 0 14px}
    .check-card p{margin:0;color:var(--muted);font-size:.92rem}
    .check-card.accent p{color:#c5ccda}
    .check-list{list-style:none;margin:18px 0 0;padding:0}
    .check-list li{padding:11px 0;border-top:1px solid var(--line);font-size:.9rem}
    .accent .check-list li{border-color:#3a4357}
    .check-list li:before{content:"✓";color:var(--violet);font-weight:700;margin-right:9px}
    .accent .check-list li:before{color:var(--lime)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{border-top:3px solid var(--line);padding:21px 16px 10px 0;position:relative}
    .timeline-item:before{content:"";position:absolute;top:-8px;left:0;width:13px;height:13px;border-radius:50%;background:var(--orange)}
    .timeline-item h3{font:600 1.03rem "Space Grotesk",sans-serif;margin:10px 0 7px}
    .timeline-item p{font-size:.87rem;color:var(--muted);margin:0}
    .dark-section .timeline-item{border-color:#394257}
    .dark-section .timeline-item p{color:#b9c0d0}
    .device-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .device-card{border-radius:20px;overflow:hidden;min-height:310px;position:relative;background:#292e40}
    .device-card img{width:100%;height:100%;position:absolute;inset:0;opacity:.48}
    .device-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(17,20,29,.94),rgba(17,20,29,.16))}
    .device-card-content{position:absolute;z-index:1;left:26px;right:26px;bottom:24px;color:#fff}
    .device-card-content h3{font:600 1.45rem "Space Grotesk",sans-serif;margin:5px 0 7px}
    .device-card-content p{margin:0;color:#d3d9e5;font-size:.9rem}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}
    .faq-layout h2{font:600 clamp(1.8rem,3vw,2.65rem)/1.1 "Space Grotesk",sans-serif;letter-spacing:-.05em;margin:8px 0 14px}
    .faq-layout>div>p{color:var(--muted);margin:0}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0}
    .faq-item button{width:100%;background:none;border:0;padding:18px 20px;text-align:left;display:flex;justify-content:space-between;gap:18px;color:var(--ink);font:600 1rem "Space Grotesk",sans-serif}
    .faq-item button span{color:var(--violet);font-size:1.3rem}
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:.9rem}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open button span{transform:rotate(45deg)}
    .final-cta{background:var(--night);color:#fff;border-radius:var(--radius);padding:43px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .final-cta h2{font:600 clamp(1.8rem,3vw,2.45rem)/1.1 "Space Grotesk",sans-serif;margin:5px 0}
    .final-cta p{color:#bac1cf;margin:0;max-width:620px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
    .site-footer h3{color:#fff;font:600 1rem "Space Grotesk",sans-serif;margin:0 0 12px}
    .site-footer p{font-size:.88rem;margin:0;max-width:290px}
    .site-footer a{display:block;margin:9px 0;font-size:.88rem}
    .site-footer a:hover{color:var(--lime)}
    .footer-brand{color:#fff;font:700 1.4rem "Space Grotesk",sans-serif;margin-bottom:9px}
    .footer-brand span{color:var(--lime)}
    .copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1024px){
      .intro-grid,.guide-layout,.faq-layout{grid-template-columns:1fr}
      .intro-grid{gap:28px}
      .access-status{max-width:620px}
      .security-grid{grid-template-columns:repeat(2,1fr)}
      .security-lead{grid-column:span 2;padding:25px 0}
      .security-point:nth-child(2){border-left:0}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,var(--max))}
      .topbar{gap:10px;min-height:67px}
      .brand{font-size:1.2rem}
      .search{width:38px;padding:2px;border:0;margin-left:auto}
      .search input{display:none}
      .search button{width:36px}
      .topbar>.primary-btn{display:none}
      .menu-toggle{display:block}
      .channels{position:relative}
      .section{padding:58px 0}
      .page-intro{padding:48px 0 52px}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .device-panel,.check-grid{grid-template-columns:1fr}
      .final-cta{display:block;padding:31px}
      .cta-actions{margin-top:22px}
    }
    @media(max-width:520px){
      .intro-grid h1{font-size:2.45rem}
      .resource{grid-template-columns:40px 1fr;gap:12px;padding:16px}
      .resource .arrow{display:none}
      .guide-aside{min-height:300px}
      .security-grid{grid-template-columns:1fr}
      .security-lead{grid-column:auto;padding:24px 0 10px}
      .security-point,.security-point:nth-child(2){border-left:0;border-top:1px solid var(--line);padding:21px 0}
      .timeline{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:6px}
      .primary-btn,.secondary-btn{width:100%}
      .cta-actions{display:grid}
    }

/* roulang page: category4 */
:root{--ink:#11141d;--night:#171b28;--panel:#202638;--paper:#f7f8fb;--white:#fff;--muted:#687083;--line:#e4e7ee;--lime:#d7f34b;--orange:#ff9257;--violet:#7569ff;--shadow:0 18px 45px rgba(19,25,42,.1);--radius:20px;--max:1180px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.6;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:var(--night);color:#fff;position:relative;z-index:10}
    .topbar{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand,.footer-brand{font-family:"Space Grotesk";font-weight:700;letter-spacing:-.04em;white-space:nowrap}
    .brand{font-size:1.45rem}.brand span,.footer-brand span{color:var(--lime)}
    .search{margin-left:auto;display:flex;align-items:center;border:1px solid #3b4357;border-radius:99px;padding:4px 6px 4px 15px;width:220px}
    .search input{width:100%;border:0;background:transparent;color:#fff;outline:0;font-size:.85rem}
    .search button,.menu-toggle{border:0;background:var(--lime);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer}
    .primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 19px;font-weight:700;border:1px solid transparent}
    .primary-btn{background:var(--lime);color:var(--ink)}.primary-btn:hover{background:#e6ff72;transform:translateY(-2px)}
    .secondary-btn{background:transparent;border-color:#535c72;color:#fff}.secondary-btn:hover{border-color:var(--lime);color:var(--lime)}
    .menu-toggle{display:none}
    .channel-list{display:flex;gap:8px;white-space:nowrap;padding:11px 0;overflow-x:auto}
    .channel-list a{color:#b5bbca;padding:8px 15px;border-radius:99px;font-size:.86rem}
    .channel-list a:hover,.channel-list a.active{background:#30384c;color:var(--lime)}
    .page-hero{color:#fff;background:var(--night) linear-gradient(90deg,rgba(23,27,40,.98),rgba(23,27,40,.68)),url('/assets/images/backpic/back-6.jpg') center/cover;padding:70px 0 74px}
    .hero-grid{display:grid;grid-template-columns:1fr .8fr;gap:55px;align-items:center}
    .eyebrow,.label{color:var(--lime);font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
    h1,h2,h3{font-family:"Space Grotesk";letter-spacing:-.045em}
    h1{font-size:clamp(2.5rem,5vw,4.7rem);line-height:1.04;margin:15px 0 20px}
    .page-hero p{font-size:1.08rem;color:#d0d5df;max-width:650px}
    .hero-panel{background:rgba(32,38,56,.9);border:1px solid #3c465e;border-radius:var(--radius);padding:24px}
    .signal{display:flex;gap:13px;align-items:center;padding:15px 0;border-bottom:1px solid #3b4357}
    .signal:last-child{border:0}.signal b{color:var(--lime);font-size:1.3rem}.signal small{display:block;color:#adb5c4}
    .section{padding:82px 0}.dark-section{background:var(--night);color:#fff}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-head h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.1;margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:560px;margin:0}.dark-section .section-head p{color:#b8bfce}
    .update-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .feature-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-story img{height:255px;width:100%}.story-body{padding:25px}.story-body h3{font-size:1.55rem;margin:8px 0}.story-body p{color:var(--muted)}
    .update-list{display:grid;gap:12px}
    .update-item,.resource-card,.device-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
    .update-item{display:grid;grid-template-columns:82px 1fr;gap:17px}.update-item img{width:82px;height:72px;border-radius:10px}.update-item h3{font-size:1.05rem;margin:5px 0}.update-item p{margin:0;color:var(--muted);font-size:.9rem}
    time{font-size:.76rem;color:var(--violet);font-weight:700}
    .resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.resource-card:hover,.device-card:hover,.update-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .resource-card strong{font-family:"Space Grotesk";font-size:1.1rem}.resource-card p,.device-card p{color:var(--muted);font-size:.91rem}
    .device-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px;align-items:stretch}.device-card{padding:26px}.device-card img{height:260px;border-radius:14px;margin-bottom:18px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step{border-left:3px solid var(--orange);padding:8px 20px}.step b{font:700 2rem "Space Grotesk";color:var(--violet)}.step h3{margin:4px 0}.step p{color:var(--muted)}
    .notice{background:#fff3ea;border:1px solid #ffd2b8;border-radius:16px;padding:22px}.notice strong{color:#b5521e}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item h3{font-size:1.05rem;margin:0 0 7px}.faq-item p{color:var(--muted);margin:0;font-size:.91rem}
    .final-cta{background:var(--night);color:#fff;border-radius:var(--radius);padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{font-size:2.3rem;margin:5px 0}.final-cta p{color:#bac1cf;margin:0;max-width:620px}
    .site-footer{background:#0f121b;color:#aeb6c6;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-brand{color:#fff;font-size:1.4rem}.site-footer h3{color:#fff;font-size:1rem}.site-footer a{display:block;margin:9px 0;font-size:.88rem}.site-footer a:hover{color:var(--lime)}.copyright{border-top:1px solid #282e3c;margin-top:35px;padding-top:20px;font-size:.78rem;display:flex;justify-content:space-between}
    @media(max-width:900px){.hero-grid,.update-layout,.device-layout{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}}
    @media(max-width:600px){.container{width:min(100% - 28px,var(--max))}.topbar{gap:10px}.brand{font-size:1.2rem}.search{width:38px;padding:2px;border:0}.search input{display:none}.search button{width:36px}.topbar>.primary-btn{display:none}.menu-toggle{display:block}.page-hero{padding:52px 0 58px}h1{font-size:2.65rem}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:14px}.resource-grid,.faq-grid{grid-template-columns:1fr}.final-cta{display:block;padding:30px}.final-cta .primary-btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}