/* roulang page: index */
:root{
            --ink:#272b2c;
            --muted:#737b7a;
            --soft:#f4f1ea;
            --paper:#fffdf8;
            --card:#ffffff;
            --line:#e7e1d7;
            --green:#173d3a;
            --green-2:#285954;
            --coral:#d78368;
            --amber:#edb85d;
            --mint:#dcece5;
            --radius-lg:30px;
            --radius-md:18px;
            --radius-sm:12px;
            --shadow:0 18px 50px rgba(31,46,43,.09);
            --shadow-sm:0 8px 24px rgba(31,46,43,.07);
            --ease:all .25s ease;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--soft);
            font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
            font-size:16px;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        img{max-width:100%;display:block}
        .skip-link{position:absolute;left:-999px;top:10px;background:var(--green);color:#fff;padding:9px 14px;border-radius:8px;z-index:99}
        .skip-link:focus{left:15px}
        .container{width:min(1160px,calc(100% - 40px));margin:auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(255,253,248,.96);
            border-bottom:1px solid var(--line);
            backdrop-filter:blur(12px);
        }
        .nav-wrap{height:76px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--green),var(--coral));position:relative}
        .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:2px solid #fff;border-radius:50%;left:12px;top:8px;box-shadow:0 9px 0 -3px #fff}
        .brand-name{font-weight:800;letter-spacing:-.04em;line-height:1.15}
        .brand-name small{display:block;font-size:10px;letter-spacing:.16em;color:var(--coral);margin-top:4px}
        .main-nav{display:flex;align-items:center;gap:8px;flex:1}
        .nav-link{padding:10px 14px;border-radius:10px;color:#5c6563;font-weight:650;transition:var(--ease)}
        .nav-link:hover,.nav-link:focus,.nav-link.active{background:var(--mint);color:var(--green)}
        .nav-end{display:flex;align-items:center;gap:10px}
        .nav-note{font-size:13px;color:var(--muted);white-space:nowrap}
        .menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
        .mega{
            position:absolute;left:50%;transform:translateX(-50%) translateY(-8px);
            top:70px;width:min(690px,calc(100% - 30px));padding:20px;
            background:var(--paper);border:1px solid var(--line);border-radius:20px;
            box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:var(--ease)
        }
        .has-mega{position:relative}
        .has-mega:hover .mega,.has-mega:focus-within .mega,.mega.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
        .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
        .mega-item{padding:15px;border-radius:14px;border:1px solid transparent;transition:var(--ease)}
        .mega-item:hover{border-color:var(--line);background:#fff;transform:translateY(-2px)}
        .mega-item strong{display:block;color:var(--green)}
        .mega-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
        .hero{padding:54px 0 30px}
        .hero-stage{
            min-height:420px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
            display:grid;grid-template-columns:1.1fr .9fr;align-items:end;
            background:linear-gradient(115deg,#173d3a 0%,#285954 57%,#b87563 100%);
            color:#fff;box-shadow:var(--shadow)
        }
        .hero-stage:before,.hero-stage:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.2);border-radius:50%}
        .hero-stage:before{width:440px;height:440px;right:-140px;top:-160px}
        .hero-stage:after{width:270px;height:270px;right:115px;bottom:-175px}
        .hero-copy{position:relative;z-index:1;padding:52px 48px}
        .eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#f9d99e;letter-spacing:.08em;margin-bottom:18px}
        .eyebrow:before{content:"";width:7px;height:7px;background:var(--amber);border-radius:50%}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.065em;margin-bottom:20px;max-width:670px}
        .hero-copy p{font-size:17px;color:rgba(255,255,255,.82);max-width:610px;margin-bottom:28px}
        .actions{display:flex;flex-wrap:wrap;gap:11px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:12px 20px;font-weight:750;transition:var(--ease)}
        .btn-primary{background:var(--amber);color:#352b1d}
        .btn-primary:hover,.btn-primary:focus{background:#f4c977;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
        .btn-light{background:rgba(255,255,255,.11);color:#fff;border-color:rgba(255,255,255,.3)}
        .btn-light:hover,.btn-light:focus{background:#fff;color:var(--green)}
        .btn-outline{background:#fff;color:var(--green);border-color:var(--line)}
        .btn-outline:hover,.btn-outline:focus{border-color:var(--green);transform:translateY(-2px)}
        .hero-index{position:relative;z-index:1;align-self:stretch;padding:34px;display:flex;align-items:end}
        .index-card{width:100%;background:rgba(255,253,248,.96);color:var(--ink);border-radius:24px;padding:24px;box-shadow:0 15px 35px rgba(21,39,37,.17)}
        .index-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:18px}
        .index-top strong{color:var(--green);font-size:18px}.status{font-size:12px;padding:4px 9px;border-radius:20px;background:var(--mint);color:var(--green)}
        .index-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid #eeeae2;font-size:14px}
        .index-row:last-child{border:0}.index-row b{font-size:20px;color:var(--green)}
        .section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:27px}
        .section-kicker{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.13em;margin-bottom:8px}
        h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-.05em;margin-bottom:9px;color:var(--green)}
        .section-head p{color:var(--muted);max-width:570px;margin-bottom:0}
        .metric-board{display:grid;grid-template-columns:1.45fr .85fr .85fr;gap:15px}
        .metric{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:25px;min-height:155px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
        .metric:first-child{background:linear-gradient(135deg,var(--green),#36736a);color:#fff}
        .metric:first-child .metric-label,.metric:first-child small{color:rgba(255,255,255,.72)}
        .metric-number{font-size:42px;font-weight:850;line-height:1;color:var(--green);letter-spacing:-.07em;margin:12px 0}
        .metric:first-child .metric-number{color:#fff}
        .metric-label{color:var(--muted);font-size:14px}.metric small{color:var(--muted);font-size:13px}
        .metric-badge{position:absolute;top:20px;right:20px;background:var(--mint);color:var(--green);padding:4px 8px;border-radius:20px;font-size:11px}
        .matrix{display:grid;grid-template-columns:1.3fr .7fr;grid-template-rows:auto auto;gap:15px}
        .feature-card,.mini-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow-sm);transition:var(--ease)}
        .feature-card:hover,.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .feature-card{grid-row:span 2;min-height:300px;background:linear-gradient(145deg,#fff,#eef5ef)}
        .mini-card{min-height:142px}
        .card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
        .tag{display:inline-flex;padding:5px 10px;background:#f9eee7;color:#a9614c;border-radius:20px;font-size:12px;font-weight:750}
        .arrow{font-size:23px;color:var(--coral)}
        h3{font-size:22px;color:var(--green);margin-bottom:8px;letter-spacing:-.035em}
        .feature-card p,.mini-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
        .text-link{font-size:14px;font-weight:800;color:var(--green);border-bottom:1px solid #a8c8ba;padding-bottom:3px}
        .comparison{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:14px}
        .compare-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px}
        .compare-card.good{background:#e8f2ed;border-color:#c6ddd1}.compare-card h3{font-size:19px}
        .compare-card ul{list-style:none;padding:0;margin:15px 0 0}.compare-card li{padding:8px 0;border-bottom:1px dashed #d8d3c9;color:var(--muted);font-size:14px}
        .compare-card li:last-child{border:0}.compare-card li:before{content:"•";color:var(--coral);font-weight:bold;margin-right:8px}
        .compare-mark{align-self:center;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--coral),var(--amber));color:#fff;font-weight:850;margin:auto}
        .faq-list{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line);background:var(--paper)}
        .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;border:0;background:none;padding:21px 4px;color:var(--green);font-weight:800;font-size:17px}
        .faq-q span:last-child{font-size:22px;color:var(--coral);transition:var(--ease)}
        .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:15px}
        .faq-a p{padding:0 35px 19px 4px;margin:0}
        .faq-item.open .faq-a{max-height:180px}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
        .lead-section{padding:76px 0 94px}
        .lead-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;align-items:stretch}
        .lead-copy{background:var(--green);color:#fff;border-radius:var(--radius-lg);padding:38px}
        .lead-copy h2{color:#fff}.lead-copy p{color:rgba(255,255,255,.75)}
        .privacy{font-size:13px;color:rgba(255,255,255,.6);margin-top:24px}
        .form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}
        label{font-size:13px;font-weight:750;color:var(--green)}
        input,select,textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 13px;background:#fffdf9;color:var(--ink);outline:0;transition:var(--ease)}
        textarea{min-height:100px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(215,131,104,.15)}
        .form-check{display:flex;gap:8px;align-items:flex-start;color:var(--muted);font-size:13px;margin:16px 0}.form-check input{width:auto;margin-top:5px;accent-color:var(--green)}
        .form-message{min-height:25px;color:var(--coral);font-size:13px;margin-top:10px}.form-message.success{color:#287050}
        .site-footer{background:#122f2d;color:#dce7e1;padding:48px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
        .footer-brand{font-size:20px;font-weight:800;color:#fff}.footer-desc{color:#9bb1aa;font-size:14px;max-width:290px;margin-top:12px}
        .footer-col h4{font-size:14px;color:#fff;margin:0 0 13px}.footer-col a,.footer-col p{display:block;color:#9bb1aa;font-size:13px;margin:7px 0;transition:var(--ease)}.footer-col a:hover{color:#f4c977}
        .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#8ca39c;font-size:12px;display:flex;justify-content:space-between;gap:15px}
        .age-layer{position:fixed;inset:0;background:rgba(14,27,26,.72);z-index:50;display:grid;place-items:center;padding:20px}
        .age-box{background:var(--paper);max-width:470px;border-radius:26px;padding:34px;box-shadow:var(--shadow);text-align:center}
        .age-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:18px;background:var(--mint);color:var(--green);font-size:25px;margin:0 auto 17px}
        .age-box h2{font-size:28px;margin-bottom:10px}.age-box p{font-size:14px;color:var(--muted);margin-bottom:24px}.age-actions{display:flex;gap:10px;justify-content:center}
        .to-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border:0;border-radius:50%;background:var(--green);color:#fff;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:var(--ease)}
        .to-top.visible{opacity:1;pointer-events:auto}.to-top:hover{background:var(--coral);transform:translateY(-2px)}
        @media(max-width:992px){.nav-wrap{gap:15px}.brand{min-width:220px}.nav-note{display:none}.metric-board{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:1/-1}.lead-wrap{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:768px){
            .container{width:min(100% - 28px,600px)}.nav-wrap{height:68px}.brand-name{font-size:14px}.brand{min-width:0;flex:1}.brand-mark{width:34px;height:34px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:14px;right:14px;top:62px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.nav-link{display:block}.mega{position:static;width:auto;transform:none!important;display:none;opacity:1;visibility:visible;box-shadow:none;margin-top:4px}.has-mega.open .mega{display:block}.mega-grid{grid-template-columns:1fr}
            .hero{padding-top:25px}.hero-stage{grid-template-columns:1fr;min-height:0}.hero-copy{padding:34px 26px 25px}.hero-index{padding:0 20px 20px}.hero-copy p{font-size:15px}
            .section,.lead-section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:12px}.metric-board,.matrix,.comparison{grid-template-columns:1fr}.metric:first-child{grid-column:auto}.feature-card{grid-row:auto;min-height:0}.compare-mark{transform:rotate(90deg);margin:-3px auto}
            .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
        }
        @media(max-width:480px){h1{font-size:38px}.hero-copy{padding:29px 21px 22px}.hero-index{padding:0 14px 14px}.index-card,.feature-card,.mini-card,.compare-card,.form-card,.lead-copy{padding:22px}.actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}.age-box{padding:27px 20px}.age-actions{flex-direction:column}.age-actions .btn{width:100%}}

/* roulang page: category2 */
:root{
 --ink:#272b2c;
 --muted:#737b7a;
 --soft:#f4f1ea;
 --paper:#fffdf8;
 --card:#ffffff;
 --line:#e7e1d7;
 --green:#173d3a;
 --green-2:#285954;
 --coral:#d78368;
 --amber:#edb85d;
 --mint:#dcece5;
 --radius-lg:30px;
 --radius-md:18px;
 --radius-sm:12px;
 --shadow:0 18px 50px rgba(31,46,43,.09);
 --shadow-sm:0 8px 24px rgba(31,46,43,.07);
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:var(--soft);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.skip-link{position:absolute;left:-9999px;top:10px;background:var(--green);color:#fff;padding:10px 15px;border-radius:8px;z-index:100}
.skip-link:focus{left:15px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--green),var(--coral));position:relative;flex:none}
.brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:2px solid #fff;border-radius:50%;left:11px;top:8px;box-shadow:0 9px 0 -3px #fff}
.brand-name{font-weight:800;letter-spacing:-.04em;line-height:1.15}
.brand-name small{display:block;font-size:10px;letter-spacing:.16em;color:var(--coral);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:8px;flex:1}
.nav-link{padding:10px 14px;border-radius:10px;color:#5c6563;font-weight:650;transition:var(--ease)}
.nav-link:hover,.nav-link:focus,.nav-link.active{background:var(--mint);color:var(--green)}
.nav-end{display:flex;align-items:center;gap:10px}
.nav-note{font-size:13px;color:var(--muted);white-space:nowrap}
.menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
.has-mega{position:relative}
.mega{
 position:absolute;left:50%;transform:translateX(-50%) translateY(-8px);top:70px;
 width:min(690px,calc(100% - 30px));padding:20px;background:var(--paper);
 border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
 opacity:0;visibility:hidden;transition:var(--ease)
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.mega.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-item{padding:15px;border-radius:14px;border:1px solid transparent;transition:var(--ease)}
.mega-item:hover{border-color:var(--line);background:#fff;transform:translateY(-2px)}
.mega-item strong{display:block;color:var(--green)}
.mega-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.page-intro{padding:58px 0 34px}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px}
.breadcrumb a:hover{color:var(--green)}
.intro-grid{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:end}
.kicker,.section-kicker{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.13em;margin-bottom:8px}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.15;letter-spacing:-.055em;margin-bottom:18px;color:var(--green)}
h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.04em;color:var(--green);margin-bottom:12px}
h3{font-size:21px;line-height:1.35;color:var(--green);margin-bottom:8px}
.intro-copy p{color:var(--muted);max-width:690px;margin-bottom:0}
.status-card{background:linear-gradient(145deg,#fffdf8,#e7f1eb);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow-sm)}
.status-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:20px;background:var(--mint);color:var(--green);font-size:12px;font-weight:750}
.badge.warm{background:#f9eee7;color:#a9614c}
.status-number{font-size:42px;line-height:1;font-weight:850;color:var(--green)}
.status-card p{font-size:14px;color:var(--muted);margin:12px 0 0}
.section{padding:38px 0 82px}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:25px}
.section-head p{color:var(--muted);max-width:570px;margin-bottom:0}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:14px;margin-bottom:30px;box-shadow:var(--shadow-sm)}
.filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:4px}
.filter-btn{border:1px solid var(--line);background:#fffdf8;color:var(--muted);padding:8px 14px;border-radius:10px;transition:var(--ease)}
.filter-btn:hover,.filter-btn:focus,.filter-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.timeline{position:relative;padding-left:34px}
.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:16px;width:2px;background:#cbded5}
.time-group{position:relative;margin-bottom:34px}
.time-dot{position:absolute;left:-32px;top:9px;width:18px;height:18px;border-radius:50%;background:var(--amber);border:5px solid var(--soft);box-shadow:0 0 0 1px #dfc487}
.time-label{display:flex;align-items:center;gap:10px;margin-bottom:13px}
.time-label strong{font-size:18px;color:var(--green)}
.topic-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:23px;box-shadow:var(--shadow-sm);transition:var(--ease)}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c5d8cf}
.topic-card.large{min-height:190px;background:linear-gradient(140deg,#fff,#eef5ef)}
.card-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;font-size:13px;color:var(--muted)}
.card-meta time{white-space:nowrap}
.topic-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
.card-footer{display:flex;justify-content:space-between;align-items:center;gap:12px}
.specs{display:flex;gap:7px;flex-wrap:wrap}
.spec{font-size:12px;color:var(--muted);background:#f6f4ee;padding:4px 8px;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 17px;font-weight:750;transition:var(--ease)}
.btn-primary{background:var(--amber);color:#352b1d}
.btn-primary:hover,.btn-primary:focus{background:#f4c977;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--line)}
.btn-outline:hover,.btn-outline:focus{border-color:var(--green);transform:translateY(-2px)}
.tag-cloud{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:24px;background:var(--green);border-radius:24px;color:#fff;box-shadow:var(--shadow)}
.tag-cloud h3{width:100%;color:#fff;margin-bottom:5px}
.cloud-tag{border:1px solid rgba(255,255,255,.24);border-radius:20px;padding:6px 12px;color:#eaf3ef;background:rgba(255,255,255,.08);transition:var(--ease)}
.cloud-tag:hover,.cloud-tag.active{background:var(--amber);border-color:var(--amber);color:#352b1d}
.cloud-tag.small{font-size:13px}.cloud-tag.big{font-size:18px;font-weight:750}
.empty-state{display:none;text-align:center;padding:45px 20px;background:#fff;border:1px dashed #cfc7ba;border-radius:20px;color:var(--muted)}
.empty-state.show{display:block}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:start}
.faq-intro{background:var(--mint);border-radius:24px;padding:26px}
.faq-intro p{color:#536b66;font-size:14px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq-question{width:100%;padding:17px 20px;border:0;background:transparent;text-align:left;color:var(--green);font-weight:750;display:flex;justify-content:space-between;gap:16px}
.faq-question:after{content:"+";font-size:22px;font-weight:400;line-height:1;transition:var(--ease)}
.faq-item.open .faq-question:after{content:"−";color:var(--coral)}
.faq-answer{display:none;padding:0 20px 17px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.cta-band{margin:20px 0 80px;background:linear-gradient(110deg,var(--green),var(--green-2));color:#fff;border-radius:var(--radius-lg);padding:38px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-band h2{color:#fff;margin-bottom:8px}.cta-band p{color:rgba(255,255,255,.75);margin:0}
.site-footer{background:#183735;color:#dce7e1;padding:54px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-desc{color:#a9c0b9;font-size:14px;max-width:270px}
.footer-col{display:flex;flex-direction:column;gap:8px;font-size:14px}
.footer-col h4{font-size:14px;color:#f3cf91;margin:0 0 8px}
.footer-col a{color:#c4d7d0;transition:var(--ease)}.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{color:#a9c0b9;margin:0;font-size:13px}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9eb6af;font-size:12px}
.age-modal{position:fixed;inset:0;z-index:50;background:rgba(19,35,33,.68);display:flex;align-items:center;justify-content:center;padding:20px}
.age-modal[hidden]{display:none}
.age-box{max-width:490px;background:var(--paper);border-radius:26px;padding:34px;box-shadow:0 25px 80px rgba(0,0,0,.22);text-align:center}
.age-box h2{margin-bottom:10px}.age-box p{color:var(--muted);font-size:14px}
.age-actions{display:flex;justify-content:center;gap:12px;margin-top:23px}
:focus-visible{outline:3px solid rgba(215,131,104,.65);outline-offset:3px}
@media(max-width:992px){
 .nav-wrap{gap:16px}.brand{min-width:210px}.nav-note{display:none}
 .intro-grid,.faq-wrap{grid-template-columns:1fr}
 .topic-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,600px)}
 .nav-wrap{height:68px}.brand-name{font-size:14px}.brand{min-width:0;flex:1}
 .menu-toggle{display:block}
 .main-nav{display:none;position:absolute;left:14px;right:14px;top:74px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .main-nav.open{display:flex}.nav-link{display:block}
 .mega{position:static;transform:none!important;width:100%;display:none;opacity:1;visibility:visible;box-shadow:none;margin:5px 0}
 .has-mega.open .mega{display:block}.mega-grid{grid-template-columns:1fr}
 .page-intro{padding-top:40px}h1{font-size:40px}
 .section{padding:30px 0 60px}.section-head{display:block}
 .section-head p{margin-top:10px}
 .filter-bar{align-items:flex-start}.filter-label{width:100%}
 .cta-band{display:block;padding:30px 25px}.cta-band .btn{margin-top:22px}
 .copyright{display:block}.copyright span{display:block;margin-bottom:7px}
}
@media(max-width:480px){
 h1{font-size:34px}.intro-grid{gap:22px}.status-number{font-size:35px}
 .topic-card{padding:18px}.card-footer{align-items:flex-end;flex-direction:column}
 .card-footer .btn{width:100%}.age-box{padding:26px 20px}.age-actions{flex-direction:column}
 .age-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
 --ink:#272b2c;
 --muted:#737b7a;
 --soft:#f4f1ea;
 --paper:#fffdf8;
 --card:#ffffff;
 --line:#e7e1d7;
 --green:#173d3a;
 --green-2:#285954;
 --coral:#d78368;
 --amber:#edb85d;
 --mint:#dcece5;
 --danger:#a95245;
 --radius-lg:30px;
 --radius-md:18px;
 --radius-sm:12px;
 --shadow:0 18px 50px rgba(31,46,43,.09);
 --shadow-sm:0 8px 24px rgba(31,46,43,.07);
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--ink);
 background:var(--soft);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:3px solid rgba(215,131,104,.45);
 outline-offset:3px;
}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{
 position:sticky;top:0;z-index:20;
 background:rgba(255,253,248,.96);
 border-bottom:1px solid var(--line);
 backdrop-filter:blur(12px);
}
.nav-wrap{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{
 width:38px;height:38px;border-radius:13px;
 background:linear-gradient(135deg,var(--green),var(--coral));
 position:relative;flex:0 0 auto;
}
.brand-mark:after{
 content:"";position:absolute;width:13px;height:13px;
 border:2px solid #fff;border-radius:50%;left:12px;top:8px;
 box-shadow:0 9px 0 -3px #fff;
}
.brand-name{font-weight:800;letter-spacing:-.04em;line-height:1.15}
.brand-name small{display:block;font-size:10px;letter-spacing:.16em;color:var(--coral);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:8px;flex:1}
.nav-link{padding:10px 14px;border-radius:10px;color:#5c6563;font-weight:650;transition:var(--ease)}
.nav-link:hover,.nav-link:focus,.nav-link.active{background:var(--mint);color:var(--green)}
.nav-end{display:flex;align-items:center;gap:10px}
.nav-note{font-size:13px;color:var(--muted);white-space:nowrap}
.menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
.has-mega{position:relative}
.mega{
 position:absolute;left:50%;transform:translateX(-50%) translateY(-8px);
 top:70px;width:min(690px,calc(100% - 30px));padding:20px;
 background:var(--paper);border:1px solid var(--line);border-radius:20px;
 box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:var(--ease)
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.mega.open{
 opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-item{padding:15px;border-radius:14px;border:1px solid transparent;transition:var(--ease)}
.mega-item:hover{border-color:var(--line);background:#fff;transform:translateY(-2px)}
.mega-item strong{display:block;color:var(--green)}
.mega-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:1px solid transparent;border-radius:12px;padding:11px 18px;
 font-weight:750;transition:var(--ease)
}
.btn-primary{background:var(--amber);color:#352b1d}
.btn-primary:hover,.btn-primary:focus{background:#f4c977;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--line)}
.btn-outline:hover,.btn-outline:focus{border-color:var(--green);transform:translateY(-2px)}
.btn-dark{background:var(--green);color:#fff}
.btn-dark:hover,.btn-dark:focus{background:var(--green-2);transform:translateY(-2px)}
.breadcrumb{padding-top:34px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--green);font-weight:700}
.page-intro{
 display:grid;grid-template-columns:1.35fr .65fr;gap:30px;
 padding:24px 0 42px;align-items:end
}
.eyebrow,.section-kicker{
 display:inline-flex;align-items:center;gap:7px;font-size:12px;
 color:var(--coral);font-weight:800;letter-spacing:.13em
}
.eyebrow:before,.section-kicker:before{
 content:"";width:7px;height:7px;background:var(--amber);border-radius:50%
}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.12;letter-spacing:-.06em;margin:14px 0 18px;color:var(--green)}
h2{font-size:32px;line-height:1.2;letter-spacing:-.04em;color:var(--green);margin-bottom:12px}
h3{font-size:20px;line-height:1.35;color:var(--green);margin-bottom:8px}
.intro-copy{font-size:17px;color:var(--muted);max-width:690px}
.overview-card{
 background:linear-gradient(145deg,#fff,#eef5ef);border:1px solid var(--line);
 border-radius:24px;padding:24px;box-shadow:var(--shadow-sm)
}
.overview-card strong{font-size:38px;display:block;color:var(--green);line-height:1.1}
.overview-card span{font-size:13px;color:var(--muted)}
.overview-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:11px 0}
.overview-line:last-child{border:0}
.filter-bar{
 display:flex;gap:10px;align-items:center;flex-wrap:wrap;
 background:var(--paper);border:1px solid var(--line);border-radius:20px;
 padding:14px;margin-bottom:28px;box-shadow:var(--shadow-sm)
}
.filter-label{font-weight:800;color:var(--green);padding:0 8px}
.filter-btn{
 border:1px solid var(--line);background:#fff;border-radius:999px;
 padding:8px 14px;color:var(--muted);transition:var(--ease)
}
.filter-btn:hover,.filter-btn.active{background:var(--mint);border-color:#b8d6ca;color:var(--green);font-weight:700}
.sort-select{
 margin-left:auto;border:1px solid var(--line);background:#fff;
 color:var(--green);border-radius:10px;padding:9px 12px
}
.index-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
.filter-panel{
 background:var(--green);color:#fff;border-radius:24px;padding:25px;
 position:sticky;top:102px;box-shadow:var(--shadow)
}
.filter-panel h3{color:#fff;margin-bottom:18px}
.filter-panel p{color:rgba(255,255,255,.72);font-size:13px}
.filter-group{border-top:1px solid rgba(255,255,255,.16);padding:16px 0}
.filter-group strong{display:block;font-size:14px;margin-bottom:9px;color:#f9d99e}
.check-row{display:flex;gap:9px;align-items:center;color:rgba(255,255,255,.83);font-size:14px;margin:7px 0}
.check-row input{accent-color:var(--amber)}
.clear-btn{width:100%;margin-top:12px;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.clear-btn:hover{background:rgba(255,255,255,.12)}
.index-list{display:grid;gap:14px}
.index-card{
 display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:20px;
 padding:16px;box-shadow:var(--shadow-sm);transition:var(--ease)
}
.index-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c8d8d0}
.media-placeholder{
 height:108px;border-radius:15px;background:
 linear-gradient(135deg,rgba(23,61,58,.95),rgba(40,89,84,.72)),
 repeating-linear-gradient(135deg,transparent 0 12px,rgba(255,255,255,.08) 12px 13px);
 display:flex;align-items:flex-end;padding:12px;color:#fff;font-size:12px
}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.tag{display:inline-flex;padding:4px 9px;background:#f9eee7;color:#a9614c;border-radius:20px;font-size:12px;font-weight:750}
.status{display:inline-flex;padding:4px 9px;background:var(--mint);color:var(--green);border-radius:20px;font-size:12px;font-weight:750}
.index-info p{font-size:14px;color:var(--muted);margin:0}
.index-side{text-align:right;white-space:nowrap}
.index-side time{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}
.empty-state{display:none;text-align:center;padding:48px 20px;border:1px dashed #cfc8bc;border-radius:20px;color:var(--muted);background:#fff}
.related{
 margin:72px 0;background:#fff;border:1px solid var(--line);border-radius:26px;
 padding:28px;box-shadow:var(--shadow-sm)
}
.related-links{display:flex;gap:12px;flex-wrap:wrap}
.related-links a{padding:12px 16px;border:1px solid var(--line);border-radius:12px;color:var(--green);font-weight:700;transition:var(--ease)}
.related-links a:hover{background:var(--mint);border-color:#b8d6ca;transform:translateY(-2px)}
.faq-section{padding:10px 0 74px}
.faq-list{max-width:840px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
 width:100%;display:flex;justify-content:space-between;gap:20px;
 padding:19px 0;border:0;background:transparent;text-align:left;
 color:var(--green);font-weight:750
}
.faq-question span:last-child{font-size:24px;color:var(--coral);line-height:1}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 18px 0}
.faq-item.open .faq-answer{display:block}
.cta{
 margin:0 0 76px;border-radius:26px;padding:34px 38px;
 background:linear-gradient(110deg,var(--green),var(--green-2) 65%,#b87563);
 color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px
}
.cta h2{color:#fff;margin-bottom:8px}
.cta p{margin:0;color:rgba(255,255,255,.78)}
.site-footer{background:var(--green);color:#fff;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{font-size:20px;font-weight:800;margin-bottom:10px}
.footer-desc{color:rgba(255,255,255,.68);font-size:14px;max-width:270px}
.footer-col{display:flex;flex-direction:column;gap:7px}
.footer-col h4{font-size:14px;color:#f9d99e;margin:0 0 7px}
.footer-col a,.footer-col p{color:rgba(255,255,255,.72);font-size:14px;margin:0}
.footer-col a:hover{color:#fff}
.copyright{
 border-top:1px solid rgba(255,255,255,.16);margin-top:35px;padding-top:18px;
 display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.55);font-size:12px
}
.age-modal{
 position:fixed;inset:0;background:rgba(23,61,58,.74);z-index:50;
 display:flex;align-items:center;justify-content:center;padding:20px
}
.age-modal.hidden{display:none}
.age-box{max-width:470px;background:var(--paper);border-radius:26px;padding:32px;box-shadow:var(--shadow);text-align:center}
.age-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:18px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-size:24px;font-weight:800}
.age-box h2{font-size:28px;margin-bottom:10px}
.age-box p{color:var(--muted);font-size:14px}
.age-actions{display:flex;gap:10px;justify-content:center;margin-top:22px}
.age-actions .btn{min-width:130px}
@media(max-width:992px){
 .nav-wrap{gap:18px}.brand{min-width:220px}
 .page-intro{grid-template-columns:1fr}.overview-card{max-width:520px}
 .index-layout{grid-template-columns:220px 1fr}
 .index-card{grid-template-columns:120px 1fr}.index-side{grid-column:2;text-align:left}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,620px)}
 .nav-wrap{height:68px}.brand{min-width:0;flex:1}
 .brand-name{font-size:14px}.brand-name small{font-size:9px}
 .main-nav{
  display:none;position:absolute;left:14px;right:14px;top:76px;
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
 }
 .main-nav.open{display:flex}
 .nav-link{display:block}.menu-toggle{display:block}
 .nav-end{display:none}.mega{position:static;width:100%;transform:none!important;display:none;opacity:1;visibility:visible;box-shadow:none;margin-top:5px}
 .has-mega:hover .mega,.has-mega:focus-within .mega,.mega.open{display:block}
 .mega-grid{grid-template-columns:1fr}
 .breadcrumb{padding-top:24px}
 h1{font-size:39px}.page-intro{padding-bottom:28px}
 .filter-bar{align-items:flex-start}.sort-select{margin-left:0;width:100%}
 .index-layout{display:block}.filter-panel{position:static;margin-bottom:18px}
 .index-card{grid-template-columns:105px 1fr;gap:14px}.index-side{grid-column:2}
 .media-placeholder{height:92px}
 .cta{display:block;padding:28px 24px}.cta .btn{margin-top:20px}
 .copyright{display:block}.copyright span{display:block;margin-bottom:7px}
}
@media(max-width:480px){
 .container{width:calc(100% - 24px)}
 .brand-mark{width:34px;height:34px}.brand{gap:8px}
 .brand-name{font-size:13px}
 h1{font-size:34px}.intro-copy{font-size:15px}
 .page-intro{gap:20px}.overview-card{padding:20px}
 .filter-bar{padding:11px}.filter-label{width:100%}
 .index-card{grid-template-columns:1fr}.index-side{grid-column:1}
 .media-placeholder{height:120px}
 .index-side{display:flex;justify-content:space-between;align-items:center}
 .footer-grid{grid-template-columns:1fr;gap:25px}
 .age-box{padding:25px 20px}.age-actions{flex-direction:column}
 .age-actions .btn{width:100%}
}