/* roulang page: index */
:root{
            --ink:#f8f2f5;
            --muted:#b9aab8;
            --bg:#17101c;
            --bg-soft:#211426;
            --panel:#29182c;
            --panel-2:#321b32;
            --line:rgba(255,215,231,.15);
            --berry:#8f315f;
            --plum:#5d235c;
            --coral:#ef795d;
            --banana:#f3c85b;
            --lime:#b9e57d;
            --radius:26px;
            --shadow:0 18px 50px rgba(0,0,0,.28);
            --container:1240px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:
                linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
                linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),
                var(--bg);
            background-size:28px 28px;
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
            line-height:1.7;
            padding-bottom:104px;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        .container{max-width:var(--container);padding-left:22px;padding-right:22px}
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:rgba(23,16,28,.91);
            backdrop-filter:blur(16px);
            border-bottom:1px solid var(--line);
        }
        .navbar{min-height:82px}
        .brand{
            display:inline-flex;align-items:center;gap:11px;
            font-weight:900;font-size:20px;letter-spacing:-.04em;
            white-space:nowrap;
        }
        .brand-mark{
            width:34px;height:34px;border-radius:10px;
            background:linear-gradient(135deg,var(--banana),var(--coral) 48%,var(--plum));
            position:relative;box-shadow:4px 4px 0 #160d18;
        }
        .brand-mark:after{
            content:"";position:absolute;width:11px;height:11px;right:6px;bottom:6px;
            background:#241327;border-radius:3px;
        }
        .nav-link{
            color:var(--muted)!important;font-weight:700;font-size:14px;
            padding:10px 14px!important;border-radius:12px;transition:.2s ease;
        }
        .nav-link:hover,.nav-link.active{color:var(--ink)!important;background:rgba(239,121,93,.13)}
        .nav-badge{margin-left:5px;color:var(--banana);font-size:10px}
        .navbar-toggler{border:1px solid var(--line);padding:9px 12px}
        .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(243,200,91,.2)}
        .navbar-toggler-icon{filter:invert(1) sepia(1) saturate(2)}
        .btn-brand{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:48px;padding:12px 21px;border:1px solid transparent;
            border-radius:15px;background:linear-gradient(110deg,var(--coral),#c64772);
            color:#fff;font-weight:850;box-shadow:4px 4px 0 #35152f;
            transition:.2s ease;
        }
        .btn-brand:hover{color:#fff;transform:translate(-2px,-2px);filter:brightness(1.1);box-shadow:6px 6px 0 #35152f}
        .btn-brand:active{transform:translate(1px,1px);box-shadow:2px 2px 0 #35152f}
        .btn-outline{
            display:inline-flex;align-items:center;justify-content:center;min-height:48px;
            padding:11px 20px;border:1px solid rgba(243,200,91,.5);border-radius:15px;
            color:var(--banana);font-weight:800;transition:.2s ease;
        }
        .btn-outline:hover{color:var(--bg);background:var(--banana);transform:translateY(-2px)}
        :focus-visible{outline:3px solid var(--banana);outline-offset:3px}
        .hero{padding:34px 0 28px}
        .hero-strip{
            min-height:430px;border-radius:32px;overflow:hidden;
            border:1px solid var(--line);background:
            linear-gradient(115deg,rgba(143,49,95,.9),rgba(53,22,53,.94) 55%,rgba(239,121,93,.18)),
            var(--panel);box-shadow:var(--shadow);position:relative;
        }
        .hero-strip:before{content:"";position:absolute;inset:0;opacity:.25;background:repeating-linear-gradient(0deg,transparent 0 5px,rgba(255,255,255,.05) 6px)}
        .hero-copy{position:relative;z-index:1;padding:58px 52px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;color:var(--banana);
            font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;
        }
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:4px;background:var(--banana);border-radius:4px}
        h1{font-size:clamp(38px,5.5vw,76px);line-height:1.08;letter-spacing:-.065em;margin:17px 0 20px;font-weight:950;max-width:720px}
        .hero-copy p{max-width:650px;color:#eadce5;font-size:17px;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-panel{
            position:absolute;right:42px;top:54px;width:310px;padding:20px;
            border:1px solid rgba(255,255,255,.2);border-radius:22px;
            background:rgba(20,10,25,.58);box-shadow:10px 10px 0 rgba(20,10,25,.2);
        }
        .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;color:var(--muted);font-size:12px}
        .status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:6px;box-shadow:0 0 12px var(--lime)}
        .media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
        .media-tile{height:76px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:linear-gradient(145deg,#713052,#2a1830);position:relative}
        .media-tile:nth-child(2){background:linear-gradient(145deg,#bf624f,#482039)}
        .media-tile:nth-child(3){background:linear-gradient(145deg,#7d4b82,#24172e)}
        .media-tile:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:13px;color:var(--banana)}
        .panel-line{height:8px;border-radius:4px;background:rgba(255,255,255,.12);margin-top:18px;overflow:hidden}
        .panel-line span{display:block;width:68%;height:100%;background:var(--coral)}
        .data-row{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
        .data-badge,.tag{
            display:inline-flex;align-items:center;gap:6px;border-radius:999px;
            padding:6px 10px;background:rgba(243,200,91,.12);border:1px solid rgba(243,200,91,.25);
            color:var(--banana);font-size:12px;font-weight:800;
        }
        .age-note{
            margin-top:22px;display:flex;gap:10px;align-items:flex-start;color:var(--muted);
            font-size:12px;max-width:680px;
        }
        .age-note strong{color:var(--lime)}
        section{padding:76px 0}
        .section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        h2{font-size:clamp(27px,3.4vw,43px);line-height:1.15;letter-spacing:-.05em;margin:8px 0 0;font-weight:900}
        .section-heading p{max-width:510px;color:var(--muted);margin:0}
        .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .benefit-card,.quote-card,.faq-wrap,.info-panel,.feature-card{
            background:linear-gradient(145deg,rgba(50,27,50,.96),rgba(34,20,39,.96));
            border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
        }
        .benefit-card{padding:27px;min-height:190px;position:relative;overflow:hidden;transition:.2s}
        .benefit-card:hover,.feature-card:hover,.quote-card:hover{transform:translateY(-4px);border-color:rgba(239,121,93,.48)}
        .corner{position:absolute;right:0;top:0;width:52px;height:52px;background:linear-gradient(135deg,transparent 49%,var(--coral) 50%);opacity:.8}
        .icon-box{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(243,200,91,.14);color:var(--banana);font-weight:900;font-size:20px;margin-bottom:20px}
        h3{font-size:21px;margin:0 0 8px;font-weight:850}
        .benefit-card p,.feature-card p,.quote-card p{font-size:14px;color:var(--muted);margin:0}
        .demo-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
        .info-panel{padding:30px}
        .steps{display:grid;gap:12px;margin-top:22px}
        .step{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:15px;border-radius:16px;background:rgba(255,255,255,.035);border:1px solid transparent}
        .step:hover{border-color:var(--line)}
        .step-no{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--coral);font-weight:900;color:#21101b}
        .step strong{display:block;font-size:15px}.step small{color:var(--muted);font-size:12px}
        .step-status{font-size:11px;color:var(--lime);white-space:nowrap}
        .feature-stack{display:grid;gap:18px}
        .feature-card{padding:26px;min-height:140px}
        .feature-card .tag{margin-bottom:15px}
        .feature-card strong{display:block;font-size:19px;margin-bottom:6px}
        .index-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:20px;margin-top:25px;color:var(--muted);font-size:13px}
        .index-bar a{color:var(--banana);font-weight:800}
        .recognition{background:linear-gradient(90deg,rgba(93,35,92,.6),rgba(143,49,95,.22));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .quote-card{padding:25px}
        .quote-head{display:flex;align-items:center;gap:12px;margin-bottom:17px}
        .avatar{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--banana),var(--coral));display:grid;place-items:center;color:#251329;font-weight:900}
        .quote-head strong{font-size:14px}.quote-head small{display:block;color:var(--muted);font-size:11px}
        .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:23px}
        .metric{padding:18px;border-radius:18px;background:rgba(20,10,25,.36);border:1px solid var(--line)}
        .metric b{display:block;color:var(--banana);font-size:26px;line-height:1.2}.metric span{font-size:12px;color:var(--muted)}
        .faq-wrap{padding:12px}
        .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}
        .accordion-item:last-child{border-bottom:0!important}
        .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:20px 18px}
        .accordion-button:after{filter:invert(1) sepia(1) saturate(2)}
        .accordion-body{color:var(--muted);font-size:14px;padding:0 18px 22px}
        .safe-panel{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:25px 28px;border-radius:22px;background:linear-gradient(100deg,#412044,#6f2e52);border:1px solid rgba(243,200,91,.24)}
        .safe-panel p{color:#eadce5;margin:5px 0 0;font-size:14px}
        .site-footer{padding:52px 0 120px;border-top:1px solid var(--line);background:#120c16}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
        .footer-brand p{color:var(--muted);font-size:13px;max-width:360px;margin-top:15px}
        .footer-title{color:var(--banana);font-weight:850;font-size:13px;margin-bottom:14px}
        .footer-links{display:grid;gap:9px;color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--coral)}
        .copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#887585;font-size:12px}
        .sticky-cta{position:fixed;z-index:1100;left:18px;right:18px;bottom:18px;padding:14px 18px;border-radius:20px;background:linear-gradient(100deg,#58234f,#8e3457);border:1px solid rgba(243,200,91,.35);box-shadow:0 14px 45px rgba(0,0,0,.45)}
        .sticky-inner{max-width:var(--container);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .sticky-copy strong{display:block;font-size:15px}.sticky-copy span{color:#dbc9d4;font-size:12px}
        .sticky-actions{display:flex;gap:9px;align-items:center}.sticky-actions .btn-brand,.sticky-actions .btn-outline{min-height:40px;padding:8px 15px;font-size:13px}
        .close-cta{border:0;background:transparent;color:#d9b9c9;font-size:20px;padding:5px 8px}
        @media(max-width:991px){
            .hero-panel{position:relative;right:auto;top:auto;width:auto;margin:0 30px 30px}
            .hero-copy{padding:42px 32px 22px}.hero-strip{min-height:auto}
            .demo-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:767px){
            body{padding-bottom:155px}.navbar{min-height:70px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}
            .navbar-collapse{padding:16px 0}.nav-link{padding:12px 10px!important}
            .hero{padding-top:18px}.hero-copy{padding:34px 23px 18px}h1{font-size:42px}
            .hero-copy p{font-size:15px}.hero-panel{margin:0 18px 20px}
            section{padding:55px 0}.section-heading{display:block}.section-heading p{margin-top:13px}
            .benefit-grid,.quote-grid{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.metric:last-child{grid-column:span 2}
            .safe-panel{display:block}.safe-panel .btn-brand{margin-top:18px}.footer-grid{grid-template-columns:1fr}
            .sticky-inner{align-items:stretch;display:block}.sticky-actions{margin-top:10px}.sticky-actions .btn-brand,.sticky-actions .btn-outline{flex:1}
        }
        @media(max-width:520px){
            .container{padding-left:16px;padding-right:16px}.hero-actions a{width:100%}.hero-actions .btn-outline{text-align:center}
            h1{font-size:36px}.media-tile{height:62px}.step{grid-template-columns:36px 1fr}.step-status{grid-column:2}
            .sticky-cta{left:10px;right:10px;bottom:10px;padding:12px}.sticky-copy span{display:none}
        }

/* roulang page: category2 */
:root{
 --ink:#f8f2f5;--muted:#b9aab8;--bg:#17101c;--bg-soft:#211426;
 --panel:#29182c;--panel-2:#321b32;--line:rgba(255,215,231,.15);
 --berry:#8f315f;--plum:#5d235c;--coral:#ef795d;--banana:#f3c85b;
 --lime:#b9e57d;--radius:26px;--shadow:0 18px 50px rgba(0,0,0,.28);
 --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:
 linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
 linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),var(--bg);
 background-size:28px 28px;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
 line-height:1.7;padding-bottom:110px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{max-width:var(--container);padding-left:22px;padding-right:22px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(23,16,28,.93);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.navbar{min-height:82px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--banana),var(--coral) 48%,var(--plum));position:relative;box-shadow:4px 4px 0 #160d18}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;right:6px;bottom:6px;background:#241327;border-radius:3px}
.nav-link{color:var(--muted)!important;font-weight:700;font-size:14px;padding:10px 14px!important;border-radius:12px;transition:.2s ease}
.nav-link:hover,.nav-link.active{color:var(--ink)!important;background:rgba(239,121,93,.13)}
.nav-badge{margin-left:5px;color:var(--banana);font-size:10px}
.navbar-toggler{border:1px solid var(--line);padding:9px 12px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(243,200,91,.2)}
.navbar-toggler-icon{filter:invert(1) sepia(1) saturate(2)}
.btn-brand,.btn-outline{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;
 padding:12px 21px;border-radius:15px;font-weight:850;transition:.2s ease
}
.btn-brand{border:1px solid transparent;background:linear-gradient(110deg,var(--coral),#c64772);color:#fff;box-shadow:4px 4px 0 #35152f}
.btn-brand:hover{color:#fff;transform:translate(-2px,-2px);filter:brightness(1.1);box-shadow:6px 6px 0 #35152f}
.btn-brand:active{transform:translate(1px,1px);box-shadow:2px 2px 0 #35152f}
.btn-outline{border:1px solid rgba(243,200,91,.5);color:var(--banana)}
.btn-outline:hover{color:var(--bg);background:var(--banana);transform:translateY(-2px)}
.page-hero{padding:58px 0 36px}
.hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
.hero-copy,.hero-index{border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow)}
.hero-copy{padding:48px;background:linear-gradient(135deg,rgba(143,49,95,.9),rgba(50,27,50,.96))}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--banana);font-size:12px;font-weight:900;letter-spacing:.1em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:4px;background:var(--banana);border-radius:4px}
h1{font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-.065em;margin:20px 0 18px}
h2{font-size:clamp(27px,3vw,40px);line-height:1.18;letter-spacing:-.045em;margin:10px 0 12px}
h3{font-size:20px;line-height:1.3;margin:0 0 8px}
.hero-copy p{color:#eadce5;font-size:17px;max-width:650px;margin:0 0 25px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-index{padding:28px;background:rgba(41,24,44,.9);position:relative;overflow:hidden}
.hero-index:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 6px,rgba(255,255,255,.035) 7px);pointer-events:none}
.index-top,.index-footer{position:relative;display:flex;justify-content:space-between;align-items:center;gap:12px}
.index-title{font-size:15px;font-weight:900}
.status{color:var(--lime);font-size:12px;font-weight:800}
.status:before{content:"";display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin-right:6px}
.data-badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;background:rgba(243,200,91,.12);border:1px solid rgba(243,200,91,.25);color:var(--banana);font-size:12px;font-weight:800}
.index-lines{display:grid;gap:10px;margin:24px 0}
.index-line{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);background:rgba(255,255,255,.035);border-radius:14px}
.line-icon{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--coral),var(--plum));display:grid;place-items:center;font-size:12px}
.line-copy strong{display:block;font-size:14px}
.line-copy small{color:var(--muted);font-size:11px}
.index-footer{color:var(--muted);font-size:12px}
.filter-section{padding:16px 0 30px}
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px;border:1px solid var(--line);border-radius:20px;background:rgba(50,27,50,.7)}
.search-box{flex:1 1 240px;position:relative}
.search-box input{width:100%;height:48px;padding:0 16px;border-radius:13px;border:1px solid var(--line);background:#1e1223;color:var(--ink);outline:none}
.search-box input::placeholder{color:#8d7d8b}
.search-box input:focus{border-color:var(--banana);box-shadow:0 0 0 3px rgba(243,200,91,.15)}
.filter-chip{height:42px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer;transition:.2s}
.filter-chip:hover,.filter-chip.active{background:rgba(239,121,93,.15);border-color:var(--coral);color:var(--ink)}
.content-section{padding:34px 0 74px}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:26px}
.section-heading p{max-width:530px;color:var(--muted);margin:0}
.update-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
.info-panel,.update-card,.faq-wrap,.notice-panel{background:linear-gradient(145deg,rgba(50,27,50,.96),rgba(34,20,39,.96));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.info-panel{padding:28px;align-self:start}
.info-panel p{color:var(--muted);font-size:14px}
.metric{display:flex;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
.metric:last-child{border-bottom:0}
.metric span{color:var(--muted);font-size:13px}
.metric strong{font-size:24px;color:var(--banana)}
.timeline{display:grid;gap:14px}
.update-card{display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:center;padding:22px;transition:.2s}
.update-card:hover{transform:translateX(4px);border-color:rgba(239,121,93,.55)}
.abstract-thumb{height:78px;border-radius:15px;background:linear-gradient(135deg,#713052,#301b38);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;color:var(--banana);font-size:23px;position:relative;overflow:hidden}
.abstract-thumb:after{content:"";position:absolute;inset:10px;border:1px dashed rgba(243,200,91,.45);border-radius:10px}
.update-card h3{font-size:18px}
.update-card p{margin:0;color:var(--muted);font-size:13px}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.card-action{white-space:nowrap;color:var(--banana);font-weight:800;font-size:13px}
.pagination-wrap{display:flex;justify-content:center;margin-top:28px}
.pagination .page-link{background:#29182c;color:var(--muted);border-color:var(--line);margin:0 3px;border-radius:10px}
.pagination .page-link:hover,.pagination .active .page-link{background:var(--coral);color:#fff;border-color:var(--coral)}
.notice-section{padding:0 0 72px}
.notice-panel{padding:26px;display:flex;justify-content:space-between;align-items:center;gap:22px;background:linear-gradient(110deg,rgba(93,35,92,.9),rgba(41,24,44,.96))}
.notice-panel p{color:var(--muted);margin:5px 0 0;font-size:14px}
.faq-section{padding:0 0 78px}
.faq-wrap{padding:18px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-item:last-child{border-bottom:0}
.accordion-button{background:transparent!important;color:var(--ink)!important;font-weight:800;padding:19px 10px;box-shadow:none!important}
.accordion-button:after{filter:invert(1) sepia(1) saturate(2)}
.accordion-body{color:var(--muted);padding:0 10px 19px;font-size:14px}
.site-footer{border-top:1px solid var(--line);padding:52px 0 25px;background:rgba(20,11,25,.7)}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:50px}
.footer-brand p{max-width:420px;color:var(--muted);font-size:13px;margin-top:16px}
.footer-title{font-weight:900;margin-bottom:15px}
.footer-links{display:grid;gap:9px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--banana)}
.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;color:#887684;font-size:12px}
.fixed-cta{position:fixed;left:18px;right:18px;bottom:18px;z-index:1100;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 18px;border:1px solid rgba(243,200,91,.32);border-radius:20px;background:linear-gradient(100deg,#55204f,#8f315f);box-shadow:0 14px 40px rgba(0,0,0,.42)}
.fixed-cta p{margin:0;font-weight:800;font-size:14px}
.fixed-actions{display:flex;gap:9px;flex-wrap:wrap}
.fixed-cta .btn-brand{min-height:40px;padding:8px 15px;box-shadow:3px 3px 0 #35152f}
.fixed-cta .btn-outline{min-height:40px;padding:8px 15px;background:rgba(23,16,28,.3)}
@media(max-width:992px){
 .hero-layout,.update-layout{grid-template-columns:1fr}
 .hero-index{min-height:300px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 body{padding-bottom:165px}
 .navbar{min-height:72px}
 .navbar-nav{padding:15px 0}
 .hero-copy{padding:34px 25px}
 .page-hero{padding-top:32px}
 .section-heading{display:block}
 .section-heading p{margin-top:12px}
 .update-card{grid-template-columns:82px 1fr}
 .card-action{grid-column:2}
 .notice-panel{display:block}
 .notice-panel .btn-brand{margin-top:16px}
 .fixed-cta{bottom:10px;display:block;padding:13px 15px}
 .fixed-cta p{margin-bottom:10px}
}
@media(max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 h1{font-size:39px}
 .hero-actions,.hero-actions a{width:100%}
 .hero-actions a{display:flex}
 .filter-bar{padding:12px}
 .filter-chip{flex:1 1 auto}
 .update-card{grid-template-columns:1fr;gap:13px}
 .card-action{grid-column:auto}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .fixed-actions{display:grid;grid-template-columns:1fr 1fr}
 .fixed-actions a{font-size:12px;padding-left:8px;padding-right:8px}
}

/* roulang page: category1 */
:root{
      --ink:#f8f2f5;
      --muted:#b9aab8;
      --bg:#17101c;
      --bg-soft:#211426;
      --panel:#29182c;
      --panel-2:#321b32;
      --line:rgba(255,215,231,.15);
      --berry:#8f315f;
      --plum:#5d235c;
      --coral:#ef795d;
      --banana:#f3c85b;
      --lime:#b9e57d;
      --radius:26px;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:
      linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),var(--bg);
      background-size:28px 28px;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.7;padding-bottom:112px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:var(--container);padding-left:22px;padding-right:22px}
    .site-header{
      position:sticky;top:0;z-index:1000;background:rgba(23,16,28,.91);
      backdrop-filter:blur(16px);border-bottom:1px solid var(--line)
    }
    .navbar{min-height:82px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:20px;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{
      width:34px;height:34px;border-radius:10px;
      background:linear-gradient(135deg,var(--banana),var(--coral) 48%,var(--plum));
      position:relative;box-shadow:4px 4px 0 #160d18
    }
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;right:6px;bottom:6px;background:#241327;border-radius:3px}
    .nav-link{color:var(--muted)!important;font-weight:700;font-size:14px;padding:10px 14px!important;border-radius:12px;transition:.2s ease}
    .nav-link:hover,.nav-link.active{color:var(--ink)!important;background:rgba(239,121,93,.13)}
    .nav-badge{margin-left:5px;color:var(--banana);font-size:10px}
    .navbar-toggler{border:1px solid var(--line);padding:9px 12px}
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(243,200,91,.2)}
    .navbar-toggler-icon{filter:invert(1) sepia(1) saturate(2)}
    .btn-brand,.btn-outline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:12px 21px;border-radius:15px;font-weight:850;transition:.2s ease
    }
    .btn-brand{border:1px solid transparent;background:linear-gradient(110deg,var(--coral),#c64772);color:#fff;box-shadow:4px 4px 0 #35152f}
    .btn-brand:hover{color:#fff;transform:translate(-2px,-2px);filter:brightness(1.1);box-shadow:6px 6px 0 #35152f}
    .btn-brand:active{transform:translate(1px,1px);box-shadow:2px 2px 0 #35152f}
    .btn-outline{border:1px solid rgba(243,200,91,.5);color:var(--banana)}
    .btn-outline:hover{color:var(--bg);background:var(--banana);transform:translateY(-2px)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--banana);font-size:12px;font-weight:900;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:4px;background:var(--banana);border-radius:4px}
    .page-hero{padding:58px 0 34px}
    .hero-copy{max-width:800px}
    h1,h2,h3{font-weight:900;letter-spacing:-.045em;line-height:1.18}
    h1{font-size:clamp(36px,5vw,66px);margin:17px 0 20px}
    h2{font-size:clamp(27px,3vw,42px);margin:12px 0}
    h3{font-size:21px;margin:0 0 10px}
    .hero-copy p{color:var(--muted);font-size:17px;max-width:720px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .index-banner{
      margin-top:30px;padding:16px 19px;border:1px solid var(--line);border-radius:18px;
      background:linear-gradient(90deg,rgba(143,49,95,.28),rgba(239,121,93,.08));
      display:flex;gap:14px;align-items:center;color:#eadce5
    }
    .status-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(185,229,125,.12);flex:none}
    .filter-shell,.feature-card,.info-panel,.faq-wrap,.quote-card,.notice-panel{
      background:linear-gradient(145deg,rgba(50,27,50,.96),rgba(34,20,39,.96));
      border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .filter-shell{padding:20px;margin:20px 0 34px}
    .filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .search-box{flex:1 1 280px;position:relative}
    .search-box input{
      width:100%;height:50px;border:1px solid var(--line);border-radius:15px;
      background:#1b111f;color:var(--ink);padding:0 17px;outline:none
    }
    .search-box input::placeholder{color:#887582}
    .search-box input:focus{border-color:var(--banana);box-shadow:0 0 0 4px rgba(243,200,91,.13)}
    .tag,.data-badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;
      background:rgba(243,200,91,.12);border:1px solid rgba(243,200,91,.25);
      color:var(--banana);font-size:12px;font-weight:800
    }
    .tag.alt{color:var(--lime);background:rgba(185,229,125,.08);border-color:rgba(185,229,125,.24)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:20px;align-items:start}
    .feature-card{padding:27px;min-height:300px;position:relative;overflow:hidden;transition:.2s}
    .feature-card:hover,.quote-card:hover{transform:translateY(-4px);border-color:rgba(239,121,93,.48)}
    .feature-card.large{min-height:430px;background:linear-gradient(145deg,rgba(143,49,95,.7),rgba(39,22,43,.98) 65%)}
    .feature-card.large:after{
      content:"";position:absolute;right:-40px;bottom:-50px;width:240px;height:240px;
      border:28px solid rgba(243,200,91,.12);border-radius:50%
    }
    .card-stack{display:grid;gap:20px}
    .card-stack .feature-card{min-height:205px}
    .media-placeholder{
      height:160px;border-radius:19px;margin-bottom:22px;border:1px solid rgba(255,255,255,.13);
      background:
      linear-gradient(135deg,rgba(243,200,91,.18),transparent 45%),
      repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 8px,transparent 8px 16px),#361d39;
      position:relative;overflow:hidden
    }
    .large .media-placeholder{height:205px}
    .media-placeholder:before{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:14px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:4px 4px 0 #35152f}
    .card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:18px}
    .feature-card p{color:var(--muted);font-size:14px;margin:0}
    .section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:25px}
    .section-heading p{max-width:540px;color:var(--muted);margin:0}
    section{padding:60px 0}
    .index-list{display:grid;gap:12px}
    .index-item{
      display:flex;align-items:center;gap:16px;padding:17px 19px;border:1px solid var(--line);
      border-radius:18px;background:rgba(41,24,44,.7);transition:.2s
    }
    .index-item:hover{background:rgba(93,35,92,.42);border-color:rgba(239,121,93,.5);transform:translateX(3px)}
    .index-number{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:rgba(243,200,91,.13);color:var(--banana);font-weight:900;flex:none}
    .index-item strong{display:block;font-size:16px}
    .index-item small{color:var(--muted)}
    .index-item .arrow{margin-left:auto;color:var(--coral);font-size:22px}
    .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-panel{padding:25px}
    .stat-num{font-size:34px;font-weight:950;color:var(--banana);letter-spacing:-.06em}
    .stat-label{color:var(--muted);font-size:13px}
    .notice-panel{padding:24px;border-color:rgba(243,200,91,.3);background:rgba(74,38,52,.65)}
    .notice-panel p{color:var(--muted);font-size:14px;margin:8px 0 0}
    .faq-wrap{padding:12px}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}
    .accordion-item:last-child{border-bottom:0!important}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:20px 14px}
    .accordion-button:after{filter:invert(1) sepia(1) saturate(2)}
    .accordion-body{color:var(--muted);padding:0 14px 20px;font-size:14px}
    .cta-panel{
      padding:34px;border-radius:28px;background:linear-gradient(110deg,var(--plum),#7d315c 58%,rgba(239,121,93,.75));
      border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;gap:22px
    }
    .cta-panel p{color:#f1dfe8;margin:8px 0 0}
    .site-footer{padding:56px 0 30px;border-top:1px solid var(--line);background:rgba(20,12,24,.72)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:370px;margin-top:16px}
    .footer-title{font-weight:900;margin-bottom:13px}
    .footer-links{display:grid;gap:9px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--banana)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:22px;color:#8d7889;font-size:12px}
    .fixed-cta{
      position:fixed;z-index:900;left:50%;bottom:18px;transform:translateX(-50%);
      width:min(1050px,calc(100% - 32px));padding:13px 16px;border:1px solid rgba(243,200,91,.32);
      border-radius:20px;background:rgba(45,21,45,.95);box-shadow:0 14px 40px rgba(0,0,0,.45);backdrop-filter:blur(12px);
      display:flex;align-items:center;justify-content:space-between;gap:16px
    }
    .fixed-cta strong{font-size:14px}.fixed-cta small{display:block;color:var(--muted);font-size:11px}
    .fixed-actions{display:flex;gap:8px;align-items:center}
    .fixed-actions .btn-brand,.fixed-actions .btn-outline{min-height:40px;padding:8px 14px;font-size:13px}
    .close-cta{border:0;background:transparent;color:var(--muted);font-size:20px;padding:4px 7px}
    .close-cta:hover{color:var(--ink)}
    :focus-visible{outline:3px solid rgba(243,200,91,.75);outline-offset:3px}
    @media(max-width:992px){
      .content-layout{grid-template-columns:1fr}
      .hero-copy{max-width:100%}
    }
    @media(max-width:768px){
      body{padding-bottom:150px}
      .navbar-nav{padding:14px 0}
      .page-hero{padding-top:38px}
      .stats-grid,.footer-grid{grid-template-columns:1fr}
      .section-heading{display:block}
      .section-heading p{margin-top:12px}
      .cta-panel{display:block}
      .cta-panel .btn-brand{margin-top:20px}
    }
    @media(max-width:576px){
      .container{padding-left:16px;padding-right:16px}
      h1{font-size:38px}
      section{padding:42px 0}
      .filter-row{align-items:stretch}
      .filter-row .btn-outline{width:100%}
      .feature-card.large{min-height:380px}
      .index-item{align-items:flex-start}
      .index-item .arrow{margin-top:3px}
      .fixed-cta{bottom:10px;display:block;padding:13px}
      .fixed-actions{margin-top:10px}
      .fixed-actions .btn-brand,.fixed-actions .btn-outline{flex:1}
      .close-cta{position:absolute;right:7px;top:6px}
    }