/* roulang page: index */
:root{
            --bg:#171316;
            --bg-deep:#100d10;
            --panel:#241d23;
            --panel-2:#2d232c;
            --panel-soft:#332731;
            --berry:#a94968;
            --berry-dark:#76344d;
            --berry-light:#d8899f;
            --champagne:#e9cda9;
            --cream:#f4eee7;
            --muted:#b9aeb3;
            --muted-2:#887b83;
            --line:rgba(241,224,224,.13);
            --line-strong:rgba(233,205,169,.32);
            --success:#9bb79e;
            --warning:#d0a06b;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 24px 70px rgba(0,0,0,.28);
            --container:1220px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--cream);
            background:
                radial-gradient(circle at 12% 5%,rgba(169,73,104,.15),transparent 32rem),
                radial-gradient(circle at 92% 18%,rgba(233,205,169,.07),transparent 28rem),
                var(--bg);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body::before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.22;
            background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
            background-size:42px 42px;
            mask-image:linear-gradient(to bottom,#000,transparent 70%);
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid var(--champagne);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:9px;
            color:var(--champagne);
            font-size:12px;
            font-weight:700;
            letter-spacing:.14em;
            text-transform:uppercase;
        }
        .eyebrow::before{content:"";width:28px;height:1px;background:var(--champagne)}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
        h1{font-size:clamp(40px,6vw,76px);margin-bottom:22px}
        h2{font-size:clamp(30px,4vw,48px);margin-bottom:16px}
        h3{font-size:20px;margin-bottom:9px}
        .section{padding:108px 0}
        .section-head{max-width:680px;margin-bottom:40px}
        .section-head p{color:var(--muted);font-size:17px;line-height:1.85;margin-bottom:0}
        .site-header{
            position:absolute;
            z-index:20;
            top:18px;
            left:0;
            right:0;
        }
        .nav-shell{
            min-height:70px;
            display:flex;
            align-items:center;
            gap:28px;
            padding:10px 16px 10px 22px;
            border:1px solid var(--line);
            border-radius:18px;
            background:rgba(29,21,27,.68);
            box-shadow:0 12px 42px rgba(0,0,0,.2);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
        }
        .site-header.scrolled{position:fixed;top:0}
        .site-header.scrolled .nav-shell{border-radius:0 0 16px 16px;background:rgba(23,19,22,.96);border-top-color:transparent}
        .brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800;white-space:nowrap}
        .brand-mark{
            width:36px;height:36px;display:grid;place-items:center;
            border-radius:11px;color:var(--cream);background:linear-gradient(145deg,var(--berry),var(--berry-dark));
            box-shadow:inset 0 1px rgba(255,255,255,.25);
        }
        .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav-links a{
            position:relative;padding:10px 13px;color:var(--muted);font-size:14px;border-radius:10px;transition:.25s ease;
        }
        .nav-links a:hover,.nav-links a.active{color:var(--cream);background:rgba(255,255,255,.06)}
        .nav-links a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--berry-light);border-radius:2px}
        .nav-search{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
        .nav-search svg{width:17px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:11px;
            font-size:14px;font-weight:700;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
        }
        .btn:hover{transform:translateY(-2px)}
        .btn:active{transform:translateY(0);box-shadow:none}
        .btn-primary{color:#fff;background:var(--berry);box-shadow:0 11px 25px rgba(169,73,104,.23)}
        .btn-primary:hover{background:#bd5d7c;box-shadow:0 15px 30px rgba(169,73,104,.34)}
        .btn-ghost{color:var(--champagne);border-color:var(--line-strong);background:rgba(255,255,255,.025)}
        .btn-ghost:hover{background:rgba(233,205,169,.1);border-color:var(--champagne)}
        .btn-small{min-height:38px;padding:0 14px;font-size:13px}
        .menu-toggle{display:none;margin-left:auto;border:0;background:none;color:var(--cream);padding:8px}
        .hero{
            min-height:780px;
            display:flex;align-items:center;
            padding:170px 0 92px;
            border-bottom:1px solid var(--line);
            overflow:hidden;
        }
        .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:76px;align-items:center}
        .hero-copy{max-width:650px}
        .hero-copy h1 span{color:var(--berry-light)}
        .hero-copy>p{max-width:600px;color:var(--muted);font-size:18px;line-height:1.9;margin-bottom:30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
        .hero-meta{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted-2);font-size:13px}
        .hero-meta strong{display:block;color:var(--cream);font-size:19px;line-height:1.2}
        .hero-stage{position:relative;min-height:470px}
        .stage-main{
            position:absolute;inset:22px 0 0 72px;overflow:hidden;
            min-height:430px;padding:30px;border:1px solid var(--line-strong);border-radius:24px;
            background:linear-gradient(145deg,rgba(72,43,57,.92),rgba(35,27,34,.96));
            box-shadow:var(--shadow);transform:rotate(2deg);
        }
        .stage-main::after,.visual-block::after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,transparent 30%,rgba(255,255,255,.08),transparent 56%);pointer-events:none}
        .visual-block{position:relative;height:245px;margin:-30px -30px 26px;background:linear-gradient(135deg,#5d2e48 0%,#a14e68 45%,#2d202d 100%);overflow:hidden}
        .visual-block::before{content:"";position:absolute;width:220px;height:220px;right:12%;top:8%;border:1px solid rgba(255,235,220,.42);border-radius:50%;box-shadow:0 0 0 25px rgba(255,220,220,.05),0 0 0 55px rgba(255,220,220,.04)}
        .visual-label{position:absolute;left:24px;bottom:20px;z-index:1;padding:7px 11px;border:1px solid rgba(255,255,255,.25);border-radius:8px;background:rgba(20,13,18,.44);font-size:12px}
        .stage-main h3{font-size:27px;max-width:360px}
        .stage-main p{color:var(--muted);font-size:14px;line-height:1.7}
        .stage-tags{display:flex;gap:8px;flex-wrap:wrap}
        .tag{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border:1px solid var(--line);border-radius:7px;color:var(--champagne);font-size:12px;background:rgba(255,255,255,.035)}
        .stage-side{
            position:absolute;left:0;bottom:20px;width:210px;padding:20px;border:1px solid var(--line);
            border-radius:16px;background:rgba(40,30,38,.95);box-shadow:0 18px 40px rgba(0,0,0,.3)
        }
        .stage-side small{color:var(--muted-2);font-size:12px}.stage-side strong{display:block;margin:5px 0 14px;color:var(--champagne);font-size:25px}
        .progress{height:5px;background:rgba(255,255,255,.1);border-radius:8px;overflow:hidden}.progress i{display:block;height:100%;width:72%;background:var(--berry-light)}
        .search-panel{display:flex;gap:10px;padding:10px;margin-top:35px;border:1px solid var(--line);border-radius:14px;background:rgba(15,12,15,.48)}
        .search-panel input{min-width:0;flex:1;color:var(--cream);border:0;outline:0;background:transparent;padding:0 10px}
        .search-panel input::placeholder{color:var(--muted-2)}
        .search-panel .btn{border-radius:9px}
        .problem-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.025)}
        .problem-item{padding:28px 30px;border-right:1px solid var(--line)}.problem-item:last-child{border-right:0}
        .problem-item b{display:block;color:var(--champagne);font-size:12px;letter-spacing:.12em;margin-bottom:14px}
        .problem-item h3{margin-bottom:7px}.problem-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
        .category-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
        .category-card,.content-card,.review-card,.info-panel{
            border:1px solid var(--line);border-radius:var(--radius);background:rgba(40,30,38,.78);box-shadow:0 15px 40px rgba(0,0,0,.12);transition:.28s ease
        }
        .category-card:hover,.content-card:hover,.review-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
        .category-card{min-height:300px;padding:30px;position:relative;overflow:hidden}
        .category-card.primary{background:linear-gradient(135deg,rgba(108,46,70,.9),rgba(39,28,37,.9))}
        .category-card.primary::after{content:"精选";position:absolute;right:-32px;top:25px;width:145px;text-align:center;padding:5px;background:rgba(233,205,169,.15);color:var(--champagne);transform:rotate(38deg);font-size:12px}
        .category-card h3{font-size:28px;max-width:390px}.category-card p{max-width:480px;color:var(--muted);font-size:15px}
        .category-card .card-foot{position:absolute;left:30px;right:30px;bottom:27px;display:flex;justify-content:space-between;align-items:center}
        .category-card.secondary{padding:25px;min-height:140px}.category-card.secondary h3{font-size:20px}.category-card.secondary p{font-size:13px;margin-bottom:0}.category-stack{display:grid;gap:22px}
        .card-index{color:var(--berry-light);font-size:12px;font-weight:800;letter-spacing:.16em}
        .arrow{color:var(--champagne);font-size:22px}
        .content-wall{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
        .feature-content{padding:28px;min-height:360px;position:relative;overflow:hidden;background:linear-gradient(145deg,#3d2634,#241c23)}
        .feature-art{height:180px;margin:-28px -28px 25px;background:linear-gradient(120deg,#8f4161,#3b2636 75%);position:relative}
        .feature-art::before{content:"";position:absolute;inset:30px 24%;border:1px solid rgba(255,220,200,.42);transform:skewX(-18deg)}
        .content-card h3{font-size:22px}.content-card p{color:var(--muted);font-size:14px;line-height:1.7}
        .content-card .card-line{display:flex;justify-content:space-between;align-items:center;margin-top:19px;color:var(--muted-2);font-size:12px}
        .update-list{display:grid;gap:12px}
        .update-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);transition:.2s}
        .update-item:hover{background:rgba(169,73,104,.1);border-color:var(--line-strong)}
        .update-num{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:rgba(169,73,104,.18);color:var(--berry-light);font-weight:800}
        .update-item h3{font-size:15px;margin:0 0 3px}.update-item p{margin:0;color:var(--muted-2);font-size:12px}.update-arrow{color:var(--champagne)}
        .stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid var(--line);background:var(--line);border-radius:18px;overflow:hidden}
        .stat{padding:27px 24px;background:var(--panel)}.stat strong{display:block;color:var(--cream);font-size:31px;line-height:1.2}.stat span{display:block;color:var(--muted-2);font-size:13px;margin-top:7px}
        .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .timeline-item{position:relative;padding:25px 23px 0;border-right:1px solid var(--line)}.timeline-item:last-child{border-right:0}
        .timeline-item::before{content:"";position:absolute;top:-5px;left:23px;width:9px;height:9px;border-radius:50%;background:var(--berry-light);box-shadow:0 0 0 5px var(--bg)}
        .timeline-item time{color:var(--champagne);font-size:13px;font-weight:700}.timeline-item h3{font-size:17px;margin-top:13px}.timeline-item p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}
        .reviews{display:flex;gap:18px;overflow:auto;padding:5px 2px 18px;scroll-snap-type:x mandatory}.review-card{min-width:310px;padding:26px;scroll-snap-align:start}.review-card blockquote{margin:14px 0 20px;font-size:16px;line-height:1.8;color:var(--cream)}.review-card cite{font-style:normal;color:var(--muted-2);font-size:13px}
        .faq-list{max-width:850px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;list-style:none;color:var(--cream);font-weight:700;font-size:17px;display:flex;justify-content:space-between;gap:25px}summary::-webkit-details-marker{display:none}summary::after{content:"+";color:var(--champagne);font-size:24px;font-weight:400;line-height:1}details[open] summary::after{content:"−"}details p{color:var(--muted);font-size:15px;line-height:1.85;margin:14px 35px 0 0}
        .cta{padding:55px 60px;border:1px solid var(--line-strong);border-radius:24px;background:linear-gradient(115deg,#54263d,#2a2028 68%);display:flex;align-items:center;justify-content:space-between;gap:35px;overflow:hidden;position:relative}.cta::after{content:"";position:absolute;width:340px;height:340px;right:-100px;top:-150px;border:1px solid rgba(233,205,169,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(233,205,169,.04),0 0 0 70px rgba(233,205,169,.03)}.cta h2{margin-bottom:10px;font-size:36px}.cta p{margin:0;max-width:620px;color:#d1c1c7}.cta-actions{display:flex;gap:10px;flex-shrink:0;position:relative;z-index:1}
        .age-note{padding:17px 20px;border:1px solid rgba(208,160,107,.25);border-radius:12px;color:var(--muted);font-size:13px;background:rgba(208,160,107,.06)}
        footer{padding:55px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:45px}.footer-brand p{max-width:390px;color:var(--muted);font-size:14px}.footer-title{color:var(--cream);font-weight:700;margin-bottom:14px}.footer-links{display:grid;gap:9px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--champagne)}.copyright{padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted-2);font-size:12px}
        @media(max-width:1023px){
            .hero-grid{grid-template-columns:1fr;gap:45px}.hero{min-height:auto}.hero-stage{max-width:700px;width:100%;margin:auto}.category-layout,.content-wall{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr);gap:24px;border-top:0}.timeline-item{border-top:1px solid var(--line);padding-top:25px;border-right:0}.timeline-item::before{top:-5px}.nav-search{display:none}
        }
        @media(max-width:767px){
            .container{width:min(100% - 32px,var(--container))}.site-header{top:10px}.nav-shell{min-height:62px;padding-left:15px}.brand{font-size:14px}.brand-mark{width:32px;height:32px}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px;border:1px solid var(--line);border-radius:14px;background:#241b22}.nav-links.open{display:flex}.nav-links a{padding:13px}.menu-toggle{display:block}.nav-shell>.btn{display:none}.hero{padding:140px 0 65px}.hero-copy>p{font-size:16px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.hero-stage{min-height:400px}.stage-main{inset:15px 0 0 30px;min-height:370px;padding:22px}.visual-block{height:175px;margin:-22px -22px 20px}.stage-main h3{font-size:22px}.stage-side{width:165px;bottom:0;padding:16px}.stage-side strong{font-size:21px}.section{padding:70px 0}.problem-strip{grid-template-columns:1fr}.problem-item{border-right:0;border-bottom:1px solid var(--line);padding:23px}.problem-item:last-child{border-bottom:0}.category-card.primary{min-height:330px}.category-card.secondary{min-height:165px}.stats-band{grid-template-columns:repeat(2,1fr)}.stat{padding:21px 17px}.stat strong{font-size:26px}.timeline{grid-template-columns:1fr}.timeline-item{padding-left:18px}.timeline-item::before{left:18px}.cta{padding:34px 25px;display:block}.cta h2{font-size:29px}.cta-actions{margin-top:24px;display:grid}.cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:30px}.copyright{display:block}.copyright span{display:block;margin-top:7px}.search-panel{flex-wrap:wrap}.search-panel input{height:42px;flex-basis:100%}.search-panel .btn{width:100%}
        }

/* roulang page: category1 */
:root{
 --bg:#171316;--bg-deep:#100d10;--panel:#241d23;--panel-2:#2d232c;
 --panel-soft:#332731;--berry:#a94968;--berry-dark:#76344d;--berry-light:#d8899f;
 --champagne:#e9cda9;--cream:#f4eee7;--muted:#b9aeb3;--muted-2:#887b83;
 --line:rgba(241,224,224,.13);--line-strong:rgba(233,205,169,.32);
 --success:#9bb79e;--warning:#d0a06b;--radius:18px;--radius-sm:12px;
 --shadow:0 24px 70px rgba(0,0,0,.28);--container:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--cream);background:
 radial-gradient(circle at 12% 5%,rgba(169,73,104,.15),transparent 32rem),
 radial-gradient(circle at 92% 18%,rgba(233,205,169,.07),transparent 28rem),var(--bg);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;
 background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
 background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 70%)
}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}
.nav-shell{
 min-height:70px;display:flex;align-items:center;gap:28px;padding:10px 16px 10px 22px;
 border:1px solid var(--line);border-radius:18px;background:rgba(29,21,27,.68);
 box-shadow:0 12px 42px rgba(0,0,0,.2);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)
}
.site-header.scrolled{position:fixed;top:0}
.site-header.scrolled .nav-shell{border-radius:0 0 16px 16px;background:rgba(23,19,22,.96);border-top-color:transparent}
.brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800;white-space:nowrap}
.brand-mark{
 width:36px;height:36px;display:grid;place-items:center;border-radius:11px;color:var(--cream);
 background:linear-gradient(145deg,var(--berry),var(--berry-dark));box-shadow:inset 0 1px rgba(255,255,255,.25)
}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{
 position:relative;padding:10px 13px;color:var(--muted);font-size:14px;border-radius:10px;transition:.25s ease
}
.nav-links a:hover,.nav-links a.active{color:var(--cream);background:rgba(255,255,255,.06)}
.nav-links a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--berry-light);border-radius:2px}
.nav-search{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.nav-search svg{width:17px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;
 border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(216,137,159,.45);outline-offset:3px}
.btn-primary{color:#fff;background:var(--berry);box-shadow:0 11px 25px rgba(169,73,104,.23)}
.btn-primary:hover{background:#bd5d7c;box-shadow:0 15px 30px rgba(169,73,104,.34)}
.btn-ghost{color:var(--champagne);border-color:var(--line-strong);background:rgba(255,255,255,.025)}
.btn-ghost:hover{background:rgba(233,205,169,.1);border-color:var(--champagne)}
.btn-small{min-height:38px;padding:0 14px;font-size:13px}
.menu-toggle{display:none;margin-left:auto;border:0;background:none;color:var(--cream);padding:8px}
.hero{
 min-height:620px;display:flex;align-items:center;padding:154px 0 82px;
 border-bottom:1px solid var(--line);overflow:hidden
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--champagne);font-size:12px;font-weight:700;letter-spacing:.14em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--champagne)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.045em;margin:18px 0 22px}
h1 span{color:var(--berry-light)}
h2{font-size:clamp(27px,3vw,42px);line-height:1.3;letter-spacing:-.03em;margin-bottom:12px}
h3{font-size:20px;line-height:1.45;margin-bottom:8px}
.hero-copy>p,.section-head p{color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 25px}
.hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:var(--muted-2);font-size:13px}
.hero-meta strong{display:block;color:var(--cream);font-size:19px;line-height:1.2}
.hero-visual{
 min-height:360px;padding:28px;position:relative;overflow:hidden;border:1px solid var(--line-strong);
 border-radius:24px;background:linear-gradient(145deg,rgba(72,43,57,.94),rgba(35,27,34,.98));box-shadow:var(--shadow)
}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,transparent 30%,rgba(255,255,255,.08),transparent 56%);pointer-events:none}
.visual-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--line-strong);border-radius:99px;color:var(--champagne);font-size:12px}
.badge.hot{background:rgba(169,73,104,.22);border-color:rgba(216,137,159,.42);color:var(--berry-light)}
.visual-cover{
 height:170px;margin:28px 0 20px;border-radius:16px;position:relative;overflow:hidden;
 background:linear-gradient(120deg,#553242,#9e536d 48%,#30242d)
}
.visual-cover:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:12%;top:-35px;background:rgba(233,205,169,.18);filter:blur(2px)}
.visual-cover:after{content:"";position:absolute;left:10%;right:10%;bottom:22px;height:1px;background:rgba(244,238,231,.45)}
.play{
 position:absolute;z-index:1;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;
 display:grid;place-items:center;border:1px solid rgba(255,255,255,.5);border-radius:50%;
 color:#fff;background:rgba(23,19,22,.48);transition:.25s
}
.play:hover{background:var(--berry);transform:translate(-50%,-50%) scale(1.06)}
.visual-info{display:flex;justify-content:space-between;gap:20px}
.visual-info p{color:var(--muted);font-size:14px;margin:4px 0 0}
.section{padding:92px 0}
.section-head{max-width:700px;margin-bottom:38px}
.section-head p{margin-bottom:0}
.filter-panel{
 display:grid;grid-template-columns:1.3fr .8fr .8fr auto;gap:12px;padding:18px;
 border:1px solid var(--line);border-radius:16px;background:rgba(45,35,44,.72);margin-bottom:38px
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{color:var(--muted-2);font-size:12px}
.field input,.field select{
 width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
 color:var(--cream);background:rgba(16,13,16,.58);outline:none
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{border-color:var(--berry-light);box-shadow:0 0 0 3px rgba(169,73,104,.14)}
.filter-panel .btn{align-self:end}
.content-layout{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(280px,.72fr);gap:28px}
.feature-card,.update-list,.info-panel,.faq-list,.cta{
 border:1px solid var(--line);border-radius:var(--radius);background:rgba(36,29,35,.82);box-shadow:0 16px 42px rgba(0,0,0,.12)
}
.feature-card{overflow:hidden;transition:.25s}
.feature-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card-cover{height:260px;background:linear-gradient(135deg,#422934,#9d536d 50%,#29212a);position:relative}
.card-cover .badge{position:absolute;left:20px;top:20px;background:rgba(23,19,22,.62)}
.card-body{padding:25px}
.card-body p{color:var(--muted);font-size:14px;line-height:1.75}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;color:var(--muted-2);font-size:12px}
.update-list{padding:20px}
.list-title{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 14px;border-bottom:1px solid var(--line)}
.list-title strong{font-size:17px}
.update-item{display:flex;gap:14px;padding:17px 4px;border-bottom:1px solid var(--line);transition:.2s}
.update-item:last-child{border-bottom:0}
.update-item:hover{padding-left:9px;background:rgba(255,255,255,.025)}
.number{color:var(--champagne);font-size:13px;font-weight:700;min-width:25px}
.update-item h3{font-size:15px;margin:0 0 4px}
.update-item p{color:var(--muted-2);font-size:12px;margin:0}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.tag{padding:7px 12px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:13px}
.tag.active,.tag:hover{color:var(--cream);border-color:var(--berry-light);background:rgba(169,73,104,.17)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.info-panel{padding:24px}
.info-panel small{color:var(--muted-2);font-size:12px}
.info-panel strong{display:block;color:var(--champagne);font-size:30px;line-height:1.25;margin:10px 0 4px}
.info-panel p{color:var(--muted);font-size:13px;margin:0}
.faq-list{overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{list-style:none;cursor:pointer;padding:21px 24px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";color:var(--champagne);font-size:20px;line-height:1}
.faq-item[open] summary:after{content:"−";color:var(--berry-light)}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:14px;line-height:1.8}
.cta{padding:42px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(115deg,rgba(118,52,77,.7),rgba(36,29,35,.94))}
.cta h2{margin-bottom:8px}
.cta p{color:var(--muted);margin:0;max-width:620px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
footer{padding:58px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:50px;padding-bottom:42px}
.footer-brand p{max-width:420px;color:var(--muted);font-size:14px}
.age-note{display:inline-block;margin-top:12px;padding:9px 12px;border:1px solid rgba(208,160,107,.3);border-radius:9px;color:var(--warning);font-size:12px}
.footer-title{color:var(--champagne);font-weight:700;margin-bottom:13px}
.footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--berry-light)}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
.empty-state{padding:26px;margin-top:20px;border:1px dashed var(--line-strong);border-radius:14px;color:var(--muted);font-size:14px}
@media(max-width:1023px){
 .hero-grid{grid-template-columns:1fr 1fr;gap:35px}.nav-search{display:none}.filter-panel{grid-template-columns:1fr 1fr}
 .content-layout{grid-template-columns:1fr}.hero{min-height:auto}.section{padding:76px 0}
}
@media(max-width:767px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .site-header{top:10px}.nav-shell{padding:9px 12px 9px 15px}.brand{font-size:13px}.brand-mark{width:32px;height:32px}
 .nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:10px;background:rgba(23,19,22,.98);border:1px solid var(--line);border-radius:14px;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{min-height:44px}.nav-shell>.btn{display:none}.menu-toggle{display:block}
 .hero{padding:126px 0 58px}.hero-grid{grid-template-columns:1fr;gap:34px}h1{font-size:clamp(37px,11vw,54px)}
 .hero-copy>p,.section-head p{font-size:15px}.hero-visual{min-height:320px;padding:20px}.visual-cover{height:145px}
 .hero-meta{gap:16px}.filter-panel{grid-template-columns:1fr;padding:14px}.filter-panel .btn{width:100%}
 .section{padding:64px 0}.section-head{margin-bottom:25px}.content-layout{gap:18px}.card-cover{height:190px}.card-body{padding:20px}
 .info-grid{grid-template-columns:1fr}.info-panel{padding:19px}.cta{padding:28px 22px;display:block}.cta-actions{margin-top:22px}
 .cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
}

/* roulang page: category2 */
:root{
 --bg:#171316;--bg-deep:#100d10;--panel:#241d23;--panel-2:#2d232c;
 --panel-soft:#332731;--berry:#a94968;--berry-dark:#76344d;--berry-light:#d8899f;
 --champagne:#e9cda9;--cream:#f4eee7;--muted:#b9aeb3;--muted-2:#887b83;
 --line:rgba(241,224,224,.13);--line-strong:rgba(233,205,169,.32);
 --success:#9bb79e;--warning:#d0a06b;--radius:18px;--radius-sm:12px;
 --shadow:0 24px 70px rgba(0,0,0,.28);--container:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--cream);background:radial-gradient(circle at 12% 5%,rgba(169,73,104,.15),transparent 32rem),radial-gradient(circle at 92% 18%,rgba(233,205,169,.07),transparent 28rem),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select{font:inherit}button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--champagne);font-size:12px;font-weight:700;letter-spacing:.14em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--champagne)}
h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,70px);line-height:1.16;letter-spacing:-.045em;margin:16px 0 22px}h2{font-size:clamp(28px,3vw,44px);line-height:1.3;letter-spacing:-.025em;margin:12px 0 16px}h3{font-size:20px;line-height:1.45;margin:0 0 10px}
.section{padding:96px 0}.section-head{max-width:690px;margin-bottom:38px}.section-head p{color:var(--muted);font-size:17px;line-height:1.85;margin:0}
.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}.nav-shell{min-height:70px;display:flex;align-items:center;gap:25px;padding:10px 16px 10px 22px;border:1px solid var(--line);border-radius:18px;background:rgba(29,21,27,.68);box-shadow:0 12px 42px rgba(0,0,0,.2);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.site-header.scrolled{position:fixed;top:0}.site-header.scrolled .nav-shell{border-radius:0 0 16px 16px;background:rgba(23,19,22,.96);border-top-color:transparent}
.brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800;white-space:nowrap}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;color:var(--cream);background:linear-gradient(145deg,var(--berry),var(--berry-dark));box-shadow:inset 0 1px rgba(255,255,255,.25)}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}.nav-links a{position:relative;padding:10px 13px;color:var(--muted);font-size:14px;border-radius:10px;transition:.25s ease}.nav-links a:hover,.nav-links a.active{color:var(--cream);background:rgba(255,255,255,.06)}.nav-links a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--berry-light);border-radius:2px}
.nav-search{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.nav-search svg{width:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0);box-shadow:none}.btn-primary{color:#fff;background:var(--berry);box-shadow:0 11px 25px rgba(169,73,104,.23)}.btn-primary:hover{background:#bd5d7c;box-shadow:0 15px 30px rgba(169,73,104,.34)}.btn-ghost{color:var(--champagne);border-color:var(--line-strong);background:rgba(255,255,255,.025)}.btn-ghost:hover{background:rgba(233,205,169,.1);border-color:var(--champagne)}.btn-small{min-height:38px;padding:0 14px;font-size:13px}.menu-toggle{display:none;margin-left:auto;border:0;background:none;color:var(--cream);padding:8px}
.page-hero{padding:170px 0 76px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(42,27,36,.52),transparent)}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}.page-hero-copy{max-width:720px}.page-hero-copy h1 span{color:var(--berry-light)}.page-hero-copy p{max-width:650px;color:var(--muted);font-size:18px;line-height:1.9;margin-bottom:28px}
.hero-panel{position:relative;min-height:260px;padding:28px;border:1px solid var(--line-strong);border-radius:24px;background:linear-gradient(145deg,rgba(72,43,57,.88),rgba(35,27,34,.96));box-shadow:var(--shadow);overflow:hidden}.hero-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,transparent 35%,rgba(255,255,255,.08),transparent 62%);pointer-events:none}.panel-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}.panel-number{font-size:50px;font-weight:800;line-height:1;color:var(--champagne);margin:30px 0 8px}.panel-note{color:var(--muted);font-size:14px}.status{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid rgba(155,183,158,.3);border-radius:30px;color:var(--success);font-size:12px;background:rgba(155,183,158,.08)}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}
.filter-wrap{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(36,29,35,.82);box-shadow:0 16px 50px rgba(0,0,0,.15)}.filter-form{display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:12px;align-items:end}.field label{display:block;margin-bottom:7px;color:var(--muted-2);font-size:12px}.field input,.field select{width:100%;height:46px;padding:0 13px;color:var(--cream);border:1px solid var(--line-strong);border-radius:10px;background:var(--bg-deep);outline:none}.field input::placeholder{color:var(--muted-2)}.field input:focus,.field select:focus{border-color:var(--berry-light);box-shadow:0 0 0 3px rgba(216,137,159,.12)}select{appearance:auto}
.filter-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.tag{padding:7px 13px;border:1px solid var(--line);border-radius:30px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.025);transition:.2s}.tag:hover,.tag.selected{color:var(--cream);border-color:var(--berry-light);background:rgba(169,73,104,.2)}
.content-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:start}.feature-card{display:grid;grid-template-columns:.9fr 1.1fr;min-height:330px;border:1px solid var(--line-strong);border-radius:20px;overflow:hidden;background:var(--panel);box-shadow:var(--shadow);transition:.25s}.feature-card:hover{border-color:var(--berry-light);transform:translateY(-3px)}.visual{position:relative;min-height:100%;background:radial-gradient(circle at 30% 20%,rgba(216,137,159,.5),transparent 20%),linear-gradient(145deg,#513140,#211920 75%)}.visual:before{content:"最新";position:absolute;top:20px;left:20px;padding:5px 10px;border-radius:6px;color:var(--cream);font-size:12px;background:var(--berry)}.visual:after{content:"";position:absolute;width:150px;height:190px;right:22%;bottom:-45px;border:1px solid rgba(233,205,169,.35);border-radius:80px 80px 18px 18px;transform:rotate(17deg);box-shadow:0 0 60px rgba(216,137,159,.15)}
.feature-body{padding:32px}.feature-body p,.item p{color:var(--muted);font-size:14px;line-height:1.75}.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted-2);font-size:12px;margin:18px 0}.meta b{color:var(--champagne);font-weight:600}.update-list{display:grid;gap:12px}.update-item{padding:19px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(45,35,44,.72);transition:.2s}.update-item:hover{border-color:var(--line-strong);background:var(--panel-soft)}.item-top{display:flex;justify-content:space-between;gap:12px;color:var(--muted-2);font-size:12px}.item h3{font-size:17px;margin-top:9px}.item p{margin-bottom:0}
.grid-two{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.info-card{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--panel);transition:.24s}.info-card:hover{border-color:var(--line-strong);box-shadow:0 15px 35px rgba(0,0,0,.16)}.info-card .index{color:var(--champagne);font-size:13px;font-weight:700;letter-spacing:.1em}.info-card h3{margin-top:18px}.info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
.empty-state{margin-top:20px;padding:24px;border:1px dashed var(--line-strong);border-radius:14px;color:var(--muted);background:rgba(16,13,16,.32)}.empty-state strong{display:block;color:var(--cream);margin-bottom:4px}.empty-state[hidden]{display:none}
.faq{max-width:850px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;padding:20px 0;color:var(--cream);text-align:left;border:0;background:none;font-weight:700}.faq-question span:last-child{color:var(--champagne);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 40px 21px 0;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:52px;border:1px solid var(--line-strong);border-radius:24px;background:linear-gradient(120deg,rgba(118,52,77,.76),rgba(36,29,35,.96));display:flex;justify-content:space-between;align-items:center;gap:30px}.cta p{max-width:620px;color:#ddcfd2;margin:0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
footer{padding:62px 0 24px;background:var(--bg-deep);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-brand p{max-width:430px;color:var(--muted);font-size:14px}.age-note{display:inline-block;padding:8px 12px;border:1px solid rgba(208,160,107,.3);border-radius:8px;color:var(--warning);font-size:12px}.footer-title{margin-bottom:14px;color:var(--champagne);font-weight:700}.footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--cream)}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
:focus-visible{outline:3px solid rgba(216,137,159,.7);outline-offset:3px}
@media(max-width:1023px){.nav-links{gap:0}.nav-links a{padding:9px 8px}.nav-shell{gap:14px}.page-hero-grid{gap:35px}.content-layout{grid-template-columns:1fr}.filter-form{grid-template-columns:1fr 1fr}.filter-form .btn{grid-column:span 2}}
@media(max-width:767px){.container{width:min(100% - 32px,var(--container))}.site-header{top:10px}.nav-shell{padding:9px 12px 9px 15px}.brand{font-size:14px}.brand-mark{width:32px;height:32px}.nav-links{display:none;position:absolute;top:62px;left:0;right:0;padding:10px;border:1px solid var(--line);border-radius:14px;background:rgba(29,21,27,.98);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-search,.nav-shell>.btn{display:none}.menu-toggle{display:block}.page-hero{padding:138px 0 54px}.page-hero-grid{grid-template-columns:1fr}.page-hero-copy p{font-size:16px}.hero-panel{min-height:220px}.section{padding:68px 0}.filter-wrap{padding:18px}.filter-form{grid-template-columns:1fr}.filter-form .btn{grid-column:auto}.grid-two{grid-template-columns:1fr}.feature-card{grid-template-columns:1fr}.visual{min-height:190px}.feature-body{padding:24px}.cta{padding:30px 24px;display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright{display:block;line-height:2}.copyright span{display:block}.copyright span+span{margin-top:5px}}
@media(max-width:420px){h1{font-size:36px}.filter-tags{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}.tag{white-space:nowrap}}