/* roulang page: index */
:root{
            --bg:#070d1d;
            --bg-deep:#050914;
            --surface:rgba(17,29,57,.72);
            --surface-strong:#101d3a;
            --surface-soft:rgba(28,47,86,.48);
            --line:rgba(139,180,255,.18);
            --line-bright:rgba(79,224,255,.48);
            --text:#f4f8ff;
            --muted:#9eafd0;
            --muted-2:#7183a8;
            --cyan:#55e4ff;
            --blue:#638bff;
            --violet:#9477ff;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 22px 60px rgba(0,0,0,.28);
            --glow:0 0 28px rgba(85,228,255,.18);
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--text);
            background:
                radial-gradient(circle at 12% 8%,rgba(64,104,210,.19),transparent 28rem),
                radial-gradient(circle at 88% 28%,rgba(72,215,238,.10),transparent 26rem),
                linear-gradient(180deg,var(--bg),var(--bg-deep) 80%);
            font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
            line-height:1.75;
            overflow-x:hidden;
        }
        body:before{
            content:"";
            position:fixed;inset:0;pointer-events:none;opacity:.22;
            background-image:linear-gradient(rgba(126,164,220,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(126,164,220,.08) 1px,transparent 1px);
            background-size:44px 44px;
            mask-image:linear-gradient(to bottom,black,transparent 75%);
        }
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        :focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
        .container{max-width:1220px}
        .site-header{position:relative;z-index:20;padding:18px 0 0}
        .navbar{
            min-height:70px;padding:10px 16px;
            background:rgba(8,16,37,.76)!important;
            border:1px solid var(--line);border-radius:18px;
            box-shadow:var(--shadow);backdrop-filter:blur(18px)
        }
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
        .brand-mark{
            width:36px;height:36px;display:grid;place-items:center;border-radius:12px;
            color:#061020;background:linear-gradient(135deg,var(--cyan),#9cb0ff);
            box-shadow:0 0 22px rgba(85,228,255,.35);font-size:19px
        }
        .brand-name{font-size:16px}
        .navbar-nav{gap:7px}
        .nav-link{
            color:var(--muted)!important;padding:10px 14px!important;border-radius:10px;font-size:14px
        }
        .nav-link:hover,.nav-link.active{color:var(--text)!important;background:rgba(91,132,255,.14)}
        .nav-link.active{box-shadow:inset 0 -2px var(--cyan)}
        .nav-action{margin-left:10px}
        .btn-glow,.btn-ghost{
            min-height:46px;padding:10px 18px;border-radius:12px;border:1px solid transparent;
            display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700
        }
        .btn-glow{color:#061020;background:linear-gradient(100deg,var(--cyan),#9bb5ff);box-shadow:0 8px 24px rgba(85,228,255,.22)}
        .btn-glow:hover{color:#061020;transform:translateY(-2px);box-shadow:0 12px 32px rgba(85,228,255,.38)}
        .btn-glow:active,.btn-ghost:active{transform:translateY(1px)}
        .btn-ghost{color:var(--text);border-color:var(--line-bright);background:rgba(23,42,79,.45)}
        .btn-ghost:hover{color:var(--cyan);background:rgba(85,228,255,.1);border-color:var(--cyan)}
        .breadcrumb-wrap{padding:22px 0 0}
        .breadcrumb{margin:0;color:var(--muted-2);font-size:13px}
        .breadcrumb-item+.breadcrumb-item:before{color:var(--muted-2)}
        .breadcrumb-item.active{color:var(--muted)}
        .hero{padding:76px 0 82px;position:relative}
        .hero-copy{max-width:800px;margin:0 auto;text-align:center}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;color:var(--cyan);
            font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase
        }
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:1px;background:var(--cyan)}
        h1,h2,h3{margin:0;color:var(--text);line-height:1.2;letter-spacing:-.035em}
        h1{font-size:clamp(38px,6vw,72px);margin:18px 0 22px}
        h2{font-size:clamp(27px,3.5vw,44px)}
        h3{font-size:20px}
        .hero-copy p{max-width:720px;margin:0 auto 30px;color:var(--muted);font-size:17px}
        .hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
        .search-panel{
            max-width:760px;margin:38px auto 0;padding:10px;border:1px solid var(--line-bright);
            border-radius:18px;background:rgba(15,29,59,.76);box-shadow:var(--glow)
        }
        .search-panel form{display:flex;gap:10px}
        .search-input{
            flex:1;min-width:0;background:transparent;border:0;color:var(--text);padding:11px 14px
        }
        .search-input::placeholder{color:var(--muted-2)}
        .quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:17px}
        .tag{
            display:inline-flex;align-items:center;min-height:30px;padding:4px 11px;border:1px solid var(--line);
            border-radius:999px;color:var(--muted);font-size:12px;background:rgba(21,39,75,.5)
        }
        .tag:hover,.tag.highlight{color:var(--cyan);border-color:var(--line-bright);background:rgba(85,228,255,.08)}
        .index-strip{
            display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:1px;max-width:940px;margin:42px auto 0;
            background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden
        }
        .index-item{padding:20px;text-align:left;background:rgba(13,25,51,.84)}
        .index-item strong{display:block;font-size:24px;color:var(--text)}
        .index-item span{font-size:13px;color:var(--muted)}
        section{padding:82px 0;border-top:1px solid rgba(139,180,255,.10)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
        .section-head p{max-width:560px;margin:10px 0 0;color:var(--muted)}
        .problem-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:32px;align-items:start}
        .statement{position:sticky;top:28px}
        .statement h2{margin-top:15px}
        .rail{border-left:1px solid var(--line);padding-left:25px}
        .rail-item{position:relative;padding:0 0 28px 32px}
        .rail-item:last-child{padding-bottom:0}
        .rail-item:before{content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border:2px solid var(--cyan);border-radius:50%;background:var(--bg)}
        .rail-item:after{content:"";position:absolute;left:-1px;top:19px;bottom:0;width:1px;background:var(--line)}
        .rail-item:last-child:after{display:none}
        .rail-item b{color:var(--cyan);font-size:12px;letter-spacing:.12em}
        .rail-item h3{margin:5px 0 5px}
        .rail-item p{margin:0;color:var(--muted);font-size:14px}
        .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .path-card,.glass-card{
            background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
            padding:23px;box-shadow:0 14px 40px rgba(0,0,0,.16);backdrop-filter:blur(14px);
            transition:.28s ease
        }
        .path-card:hover,.glass-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--glow)}
        .path-no{font-size:34px;color:var(--cyan);font-weight:800}
        .path-card h3{margin:12px 0 8px}
        .path-card p,.glass-card p{color:var(--muted);font-size:14px;margin:0}
        .path-card a{display:inline-flex;margin-top:18px;color:var(--cyan);font-size:13px;font-weight:700}
        .metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .metric-board{padding:30px;background:linear-gradient(145deg,rgba(41,76,143,.56),rgba(15,30,62,.65));border:1px solid var(--line-bright);border-radius:var(--radius);box-shadow:var(--glow)}
        .metric-board h3{margin-bottom:22px}
        .metric-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid var(--line)}
        .metric-row span{color:var(--muted);font-size:14px}.metric-row strong{color:var(--cyan)}
        .signal{height:6px;border-radius:99px;background:rgba(255,255,255,.08);margin-top:7px;overflow:hidden}
        .signal i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet))}
        .feedback-track{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 15px;scroll-snap-type:x mandatory}
        .feedback-track::-webkit-scrollbar{height:6px}.feedback-track::-webkit-scrollbar-thumb{background:var(--line-bright);border-radius:5px}
        .quote{min-width:330px;max-width:390px;scroll-snap-align:start}
        .quote-mark{font-size:38px;line-height:1;color:var(--cyan)}
        .quote p{margin:12px 0 22px;color:#dce8ff;font-size:15px}
        .quote small{color:var(--muted-2)}
        .cta-box{
            padding:44px;display:flex;justify-content:space-between;align-items:center;gap:30px;
            border:1px solid var(--line-bright);border-radius:var(--radius);
            background:radial-gradient(circle at 90% 0,rgba(85,228,255,.16),transparent 36%),rgba(15,31,65,.86);
            box-shadow:var(--shadow)
        }
        .cta-box p{margin:12px 0 0;color:var(--muted);max-width:650px}
        .faq-wrap{max-width:850px;margin:auto}
        .accordion-item{background:rgba(15,28,56,.76)!important;border:1px solid var(--line)!important;margin-bottom:10px;border-radius:14px!important;overflow:hidden}
        .accordion-button{background:transparent!important;color:var(--text)!important;box-shadow:none!important;font-weight:700;padding:19px 20px}
        .accordion-button:after{filter:invert(1) opacity(.7)}
        .accordion-body{color:var(--muted);padding:0 20px 20px;font-size:14px}
        .site-footer{padding:44px 0 25px;background:#040817;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:35px}
        .footer-title{font-weight:800;margin-bottom:12px}.footer-copy{color:var(--muted);font-size:14px;max-width:430px}
        .footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
        .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:28px;margin-top:30px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
        .back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-bright);border-radius:12px;background:rgba(9,20,43,.9);color:var(--cyan);z-index:10}
        .back-top:hover{background:var(--cyan);color:#071123}
        @media(max-width:991px){
            .navbar-nav{padding-top:14px}.nav-action{margin:8px 0 0}
            .problem-layout{grid-template-columns:1fr}.statement{position:static}.path-grid{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:767px){
            .site-header{padding-top:10px}.brand-name{font-size:14px}.navbar{border-radius:14px}
            .hero{padding:58px 0 60px}h1{font-size:42px}.hero-copy p{font-size:15px}
            .search-panel form{flex-direction:column}.search-panel .btn-glow{width:100%}
            .index-strip{grid-template-columns:1fr}.index-item{text-align:center;padding:16px}
            section{padding:60px 0}.section-head{display:block}.section-head p{font-size:14px}
            .path-grid,.metrics{grid-template-columns:1fr}.rail{padding-left:18px}
            .cta-box{padding:28px;display:block}.cta-box .btn-glow{margin-top:24px;width:100%}
            .quote{min-width:280px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}
        }
        @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --bg:#070d1d;
 --bg-deep:#050914;
 --surface:rgba(17,29,57,.72);
 --surface-strong:#101d3a;
 --surface-soft:rgba(28,47,86,.48);
 --line:rgba(139,180,255,.18);
 --line-bright:rgba(79,224,255,.48);
 --text:#f4f8ff;
 --muted:#9eafd0;
 --muted-2:#7183a8;
 --cyan:#55e4ff;
 --blue:#638bff;
 --violet:#9477ff;
 --radius:22px;
 --radius-sm:14px;
 --shadow:0 22px 60px rgba(0,0,0,.28);
 --glow:0 0 28px rgba(85,228,255,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--text);background:
 radial-gradient(circle at 12% 8%,rgba(64,104,210,.19),transparent 28rem),
 radial-gradient(circle at 88% 28%,rgba(72,215,238,.10),transparent 26rem),
 linear-gradient(180deg,var(--bg),var(--bg-deep) 80%);
 font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
 line-height:1.75;overflow-x:hidden
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;
 background-image:linear-gradient(rgba(126,164,220,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(126,164,220,.08) 1px,transparent 1px);
 background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 75%)
}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--cyan)}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.container{max-width:1220px}
.site-header{position:relative;z-index:20;padding:18px 0 0}
.navbar{
 min-height:70px;padding:10px 16px;background:rgba(8,16,37,.76)!important;
 border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
 backdrop-filter:blur(18px)
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{
 width:36px;height:36px;display:grid;place-items:center;border-radius:12px;
 color:#061020;background:linear-gradient(135deg,var(--cyan),#9cb0ff);
 box-shadow:0 0 22px rgba(85,228,255,.35);font-size:19px
}
.brand-name{font-size:16px}
.navbar-nav{gap:7px}
.nav-link{color:var(--muted)!important;padding:10px 14px!important;border-radius:10px;font-size:14px}
.nav-link:hover,.nav-link.active{color:var(--text)!important;background:rgba(91,132,255,.14)}
.nav-link.active{box-shadow:inset 0 -2px var(--cyan)}
.nav-action{margin-left:10px}
.navbar-toggler{padding:8px;border-radius:10px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(85,228,255,.2)}
.btn-glow,.btn-ghost{
 min-height:46px;padding:10px 18px;border-radius:12px;border:1px solid transparent;
 display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700
}
.btn-glow{color:#061020;background:linear-gradient(100deg,var(--cyan),#9bb5ff);box-shadow:0 8px 24px rgba(85,228,255,.22)}
.btn-glow:hover{color:#061020;transform:translateY(-2px);box-shadow:0 12px 32px rgba(85,228,255,.38)}
.btn-glow:active,.btn-ghost:active{transform:translateY(1px)}
.btn-ghost{color:var(--text);border-color:var(--line-bright);background:rgba(23,42,79,.45)}
.btn-ghost:hover{color:var(--cyan);background:rgba(85,228,255,.1);border-color:var(--cyan)}
.breadcrumb-wrap{padding:17px 4px 0}
.breadcrumb{margin:0;white-space:nowrap;overflow:auto;font-size:13px}
.breadcrumb-item+.breadcrumb-item:before{color:var(--muted-2)}
.breadcrumb-item a{color:var(--muted)}
.breadcrumb-item.active{color:var(--muted)}
main{position:relative;z-index:1}
.category-hero{padding:64px 0 44px;border-bottom:1px solid rgba(139,180,255,.1)}
.category-hero-inner{display:flex;align-items:end;justify-content:space-between;gap:38px}
.eyebrow,.section-kicker{
 display:inline-flex;align-items:center;gap:8px;color:var(--cyan);
 font-size:12px;font-weight:800;letter-spacing:.16em
}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:1px;background:var(--cyan)}
h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
h1{font-size:clamp(34px,5vw,64px);max-width:760px;margin:16px 0 18px}
.category-hero p{max-width:720px;color:var(--muted);font-size:17px;margin:0}
.status-box{
 min-width:245px;padding:19px;border:1px solid var(--line-bright);border-radius:18px;
 background:rgba(16,32,66,.65);box-shadow:var(--glow)
}
.status-label{color:var(--muted-2);font-size:12px}
.status-value{font-size:27px;font-weight:800;color:var(--cyan);display:block}
.status-note{font-size:13px;color:var(--muted);display:flex;gap:7px;align-items:center}
.status-note i{color:var(--cyan)}
section{padding:56px 0;border-top:1px solid rgba(139,180,255,.10)}
.filter-bar{
 padding:15px;border:1px solid var(--line);border-radius:18px;background:rgba(14,27,56,.76);
 display:flex;gap:12px;align-items:center;flex-wrap:wrap;box-shadow:0 14px 38px rgba(0,0,0,.14)
}
.filter-label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-right:4px}
.filter-label i{color:var(--cyan)}
.tag{
 display:inline-flex;align-items:center;min-height:34px;padding:5px 13px;border:1px solid var(--line);
 border-radius:999px;color:var(--muted);font-size:12px;background:rgba(21,39,75,.5)
}
.tag:hover,.tag.highlight{color:var(--cyan);border-color:var(--line-bright);background:rgba(85,228,255,.08)}
.select-wrap{margin-left:auto;position:relative}
.select-wrap select,.search-input{
 color:var(--text);background:#101d3a;border:1px solid var(--line);border-radius:10px;
 min-height:40px;padding:7px 12px;outline:0
}
.select-wrap select:focus,.search-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(85,228,255,.15)}
.search-panel{display:flex;gap:8px;min-width:245px}
.search-input{width:190px}
.search-input::placeholder{color:var(--muted-2)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:24px}
.feature-card{
 display:grid;grid-template-columns:42% 1fr;min-height:330px;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);transition:.28s ease
}
.feature-card:hover,.content-card:hover,.side-panel:hover{border-color:var(--line-bright);box-shadow:var(--glow);transform:translateY(-3px)}
.cover{
 min-height:100%;position:relative;overflow:hidden;
 background:radial-gradient(circle at 30% 20%,rgba(85,228,255,.5),transparent 21%),
 linear-gradient(145deg,#1c3971,#111733 60%,#321e65)
}
.cover:before{content:"";position:absolute;inset:18%;border:1px solid rgba(170,228,255,.45);transform:rotate(35deg);box-shadow:0 0 35px rgba(85,228,255,.22)}
.cover:after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;right:-55px;bottom:-55px;border:22px solid rgba(148,119,255,.25)}
.cover-text{position:absolute;left:22px;bottom:19px;color:#dffbff;font-size:12px;letter-spacing:.18em}
.card-body{padding:30px}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted-2);font-size:12px}
.content-card h2,.feature-card h2{font-size:25px;margin:15px 0 10px}
.content-card p,.feature-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.content-card{
 overflow:hidden;background:rgba(17,29,57,.68);border:1px solid var(--line);
 border-radius:var(--radius-sm);transition:.28s ease
}
.content-card .mini-cover{height:112px}
.mini-cover{position:relative;background:linear-gradient(135deg,#1c3671,#172147 52%,#28205d)}
.mini-cover:before{content:"";position:absolute;left:18%;top:25%;width:44%;height:2px;background:var(--cyan);box-shadow:0 17px var(--blue),0 34px rgba(255,255,255,.25)}
.mini-cover:after{content:"";position:absolute;right:18%;top:22%;width:45px;height:45px;border:1px solid rgba(85,228,255,.55);border-radius:50%}
.content-card .card-body{padding:19px}
.content-card h3{font-size:18px;margin:11px 0 7px}
.read-link{color:var(--cyan);font-size:13px;font-weight:700;display:inline-flex;gap:7px;align-items:center}
.side-stack{display:flex;flex-direction:column;gap:16px}
.side-panel{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.28s ease}
.side-panel h3{font-size:18px;margin:0 0 17px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-top:1px solid var(--line);padding:13px 0}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.side-list a:hover{color:var(--text)}
.side-num{color:var(--cyan);font-weight:800;font-size:12px}
.tip{color:var(--muted);font-size:13px;margin:0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}
.section-head h2{font-size:30px;margin:10px 0 0}
.section-head p{max-width:530px;color:var(--muted);margin:0}
.pagination{gap:7px;margin-top:30px}
.page-link{
 color:var(--muted);background:rgba(17,29,57,.72);border:1px solid var(--line);
 border-radius:10px!important;min-width:42px;text-align:center
}
.page-link:hover,.page-item.active .page-link{color:#061020;background:var(--cyan);border-color:var(--cyan)}
.faq-wrap{max-width:860px}
.accordion-item{background:transparent;border:1px solid var(--line)!important;margin-bottom:10px;border-radius:14px!important;overflow:hidden}
.accordion-button{color:var(--text);background:rgba(17,29,57,.68);box-shadow:none!important;font-weight:700}
.accordion-button:not(.collapsed){color:var(--cyan);background:rgba(31,54,100,.75)}
.accordion-button:after{filter:invert(1) opacity(.7)}
.accordion-body{color:var(--muted);background:rgba(10,21,45,.8);font-size:14px}
.cta{
 padding:40px 44px;border:1px solid var(--line-bright);border-radius:var(--radius);
 background:linear-gradient(110deg,rgba(21,52,101,.88),rgba(21,30,72,.72));
 box-shadow:var(--glow);display:flex;align-items:center;justify-content:space-between;gap:24px
}
.cta h2{margin:8px 0;font-size:29px}
.cta p{margin:0;color:var(--muted)}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.site-footer{position:relative;z-index:1;padding:52px 0 24px;background:#040914;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}
.footer-copy{max-width:400px;color:var(--muted);font-size:13px}
.footer-title{font-weight:800;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
.back-top{position:fixed;right:22px;bottom:22px;z-index:10;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line-bright);border-radius:12px;background:#101d3a;color:var(--cyan);box-shadow:var(--glow)}
.back-top:hover{background:var(--cyan);color:#061020}
:focus-visible{outline:3px solid rgba(85,228,255,.75);outline-offset:3px}
@media(max-width:991px){
 .navbar-collapse{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(8,16,37,.95)}
 .nav-action{margin:8px 0 0}.category-hero-inner{align-items:flex-start;flex-direction:column}.status-box{min-width:0;width:100%}
 .content-layout{grid-template-columns:1fr}.side-stack{display:grid;grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .site-header{padding-top:10px}.container{padding-left:18px;padding-right:18px}
 .category-hero{padding:46px 0 32px}h1{font-size:38px}.category-hero p{font-size:15px}
 section{padding:42px 0}.filter-bar{align-items:flex-start}.select-wrap{margin-left:0;width:100%}
 .select-wrap select{width:100%}.search-panel{width:100%}.search-input{width:100%}
 .feature-card{display:block}.feature-card .cover{height:185px;min-height:0}.card-body{padding:22px}
 .content-grid{grid-template-columns:1fr}.side-stack{display:flex}
 .section-head{display:block}.section-head h2{font-size:26px}.section-head p{margin-top:10px}
 .cta{padding:28px 22px;display:block}.cta h2{font-size:25px}.cta-actions{margin-top:20px}
 .cta-actions a{width:100%}.copyright,.footer-grid{display:block}.footer-grid>div{margin-bottom:28px}.copyright span{display:block;margin-top:8px}
}
@media(max-width:420px){
 .brand-name{font-size:14px}.navbar{padding:9px 11px}.category-hero h1{font-size:34px}
 .filter-bar{padding:12px}.tag{font-size:11px}.feature-card h2{font-size:22px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}