/* roulang page: index */
:root{
            --ink:#17151d;
            --muted:#77727f;
            --soft:#aaa3b1;
            --paper:#f7f5f2;
            --panel:#fffdfa;
            --line:#e7e1dc;
            --accent:#d95662;
            --accent-dark:#a93646;
            --gold:#d5a35b;
            --night:#211d29;
            --radius:22px;
            --shadow:0 18px 55px rgba(38,26,31,.09);
            --ease:all .28s cubic-bezier(.2,.7,.2,1);
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
        a{color:inherit;text-decoration:none}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--accent);font-size:12px;letter-spacing:.15em;font-weight:800}
        .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
        .section{padding:105px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.15;letter-spacing:-.05em;margin:12px 0 0}
        .section-head p{max-width:470px;color:var(--muted);margin:0;font-size:15px}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,225,220,.85)}
        .nav{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:205px;font-weight:900;letter-spacing:-.04em}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--night);color:#fff;display:grid;place-items:center;font-size:13px;box-shadow:5px 5px 0 var(--accent)}
        .brand-name{font-size:15px;line-height:1.2}
        .nav-links{display:flex;align-items:center;gap:7px;margin:auto}
        .nav-links a{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:13px;transition:var(--ease)}
        .nav-links a:hover,.nav-links a.active{background:#eee8e3;color:var(--ink)}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 11px;color:var(--soft)}
        .search span{font-size:15px}
        .search input{border:0;outline:0;background:transparent;width:118px;color:var(--ink);font-size:12px}
        .search input::placeholder{color:var(--soft)}
        .button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:11px 17px;font-size:13px;font-weight:800;transition:var(--ease)}
        .button.primary{background:var(--accent);color:#fff;box-shadow:0 7px 18px rgba(217,86,98,.2)}
        .button.primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
        .button.ghost{border-color:var(--line);background:#fff;color:var(--ink)}
        .button.ghost:hover{border-color:var(--accent);color:var(--accent)}
        .menu-toggle{display:none;border:0;background:transparent;font-size:24px}
        .hero{position:relative;overflow:hidden;padding:90px 0 72px;background:var(--night);color:#fff}
        .hero::before{content:"";position:absolute;width:600px;height:600px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-160px;top:-290px}
        .hero::after{content:"";position:absolute;width:340px;height:340px;background:rgba(217,86,98,.12);filter:blur(70px);right:12%;bottom:-180px}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.18fr .82fr;gap:70px;align-items:center}
        .hero .eyebrow{color:#e7b46d}
        .hero .eyebrow::before{background:#e7b46d}
        .hero h1{font-size:clamp(42px,6.2vw,82px);line-height:1.02;letter-spacing:-.075em;max-width:760px;margin:20px 0 25px}
        .hero h1 em{color:#e7b46d;font-style:normal}
        .hero-copy{max-width:620px;color:#c3bdc8;font-size:16px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
        .hero .button.ghost{background:transparent;border-color:#5c5364;color:#fff}
        .age-note{display:flex;align-items:center;gap:10px;margin-top:27px;color:#aaa2b0;font-size:12px}
        .age-note strong{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--gold);border-radius:50%;color:var(--gold)}
        .poster{min-height:410px;position:relative;padding:27px;background:linear-gradient(145deg,#3a2d40,#17151e 65%);border:1px solid #554856;border-radius:var(--radius);box-shadow:25px 25px 0 rgba(255,255,255,.04);overflow:hidden}
        .poster::before{content:"";position:absolute;inset:20px;border:1px solid rgba(255,255,255,.16);border-radius:15px}
        .poster-art{position:absolute;inset:55px 45px 74px;background:linear-gradient(155deg,transparent 15%,rgba(213,163,91,.8) 16%,rgba(217,86,98,.72) 45%,transparent 46%),radial-gradient(ellipse at 50% 35%,#8d5260 0 8%,transparent 9%),linear-gradient(110deg,#2d2735,#15131a);clip-path:polygon(16% 0,90% 8%,100% 86%,3% 100%)}
        .poster-text{position:absolute;left:28px;bottom:27px;right:28px;display:flex;justify-content:space-between;align-items:end}
        .poster-title{font-size:25px;font-weight:900;letter-spacing:-.05em}
        .poster-code{font-size:11px;color:#d8a969;letter-spacing:.18em}
        .metrics{padding:24px 0;background:#fff;border-bottom:1px solid var(--line)}
        .metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
        .metric{padding:8px 25px;border-right:1px solid var(--line)}
        .metric:first-child{padding-left:0}.metric:last-child{border:0}
        .metric b{display:block;font-size:28px;letter-spacing:-.06em}
        .metric span{display:block;color:var(--muted);font-size:12px}
        .metric small{color:var(--accent);font-size:11px}
        .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .feature{padding:29px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .feature:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d7b2aa}
        .feature-num{color:var(--accent);font:700 13px Georgia,serif}
        .feature h3{font-size:21px;margin:27px 0 11px;letter-spacing:-.04em}
        .feature p{color:var(--muted);font-size:14px;margin:0}
        .feature a{display:inline-block;margin-top:22px;color:var(--accent);font-size:12px;font-weight:800}
        .story{background:#ece7e2}
        .story-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:75px;align-items:center}
        .story h2{font-size:clamp(30px,4vw,52px);letter-spacing:-.06em;line-height:1.1;margin:15px 0}
        .story p{color:var(--muted);font-size:15px}
        .story-list{display:grid;gap:13px;margin-top:25px}
        .story-list div{display:flex;gap:15px;align-items:flex-start;font-size:14px}
        .story-list i{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;text-align:center;font-style:normal;font-size:12px;line-height:24px;flex:none}
        .index-board{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
        .board-top{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:12px}
        .board-top strong{font-size:17px}
        .status{color:#41856c;font-size:12px}
        .index-line{display:grid;grid-template-columns:76px 1fr 100px;align-items:center;gap:15px;padding:18px 0;border-bottom:1px solid #eee9e5}
        .index-line:last-child{border:0}
        .index-line .code{color:var(--accent);font-size:12px;font-weight:900}
        .index-line h3{font-size:15px;margin:0 0 3px}
        .index-line p{font-size:12px;color:var(--muted);margin:0}
        .line-tag{justify-self:end;background:#f2ece8;border-radius:20px;padding:5px 10px;color:var(--muted);font-size:11px}
        .quotes{background:var(--night);color:#fff}
        .quotes .section-head p{color:#aaa2b0}
        .quote-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
        .quote{padding:27px;border:1px solid #453c4a;border-radius:var(--radius);background:#2a2431}
        .quote:first-child{background:#3a2a35}
        .quote q{font-size:18px;line-height:1.55;display:block;margin-bottom:25px}
        .quote q::before{color:#e7b46d}
        .quote small{color:#aaa2b0}
        .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:50px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .news-item:hover{padding-left:10px;color:var(--accent)}
        .news-item strong{font-size:15px}.news-item span{font-size:12px;color:var(--soft);white-space:nowrap}
        .side-note{padding:29px;background:#d9c8bd;border-radius:var(--radius);min-height:220px}
        .side-note b{display:block;font-size:26px;line-height:1.2;letter-spacing:-.05em;margin-bottom:15px}
        .side-note p{font-size:13px;color:#655a58}
        .faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px}
        .faq h2{font-size:42px;line-height:1.1;letter-spacing:-.06em;margin:14px 0}
        .faq-list{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:19px 0}
        summary{cursor:pointer;font-weight:800;font-size:15px;list-style:none;display:flex;justify-content:space-between}
        summary::-webkit-details-marker{display:none}
        summary::after{content:"＋";color:var(--accent);font-size:20px;font-weight:400}
        details[open] summary::after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin:13px 30px 0 0}
        .cta{padding:75px 0;background:#d95662;color:#fff}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.06em;margin:0 0 12px}
        .cta p{color:#f7dfe0;max-width:560px;margin:0}
        .cta .button{background:#fff;color:var(--accent-dark)}
        .site-footer{background:#17151d;color:#aaa2b0;padding:45px 0 25px}
        .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid #332e37}
        .footer-brand{color:#fff}.footer-brand p{max-width:360px;font-size:12px;color:#aaa2b0}
        .footer-links{display:flex;gap:25px;align-items:flex-start;flex-wrap:wrap;font-size:12px}
        .footer-links a:hover{color:#fff}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:11px}
        .modal{position:fixed;inset:0;z-index:50;background:rgba(22,18,25,.78);display:grid;place-items:center;padding:20px}
        .modal.hidden{display:none}
        .modal-card{width:min(440px,100%);background:var(--panel);border-radius:24px;padding:35px;box-shadow:0 25px 80px rgba(0,0,0,.28)}
        .modal-card h2{margin:0 0 12px;font-size:28px;letter-spacing:-.05em}
        .modal-card p{color:var(--muted);font-size:14px}
        .modal-actions{display:flex;gap:10px;margin-top:24px}
        :focus-visible{outline:3px solid rgba(217,86,98,.38);outline-offset:3px}
        @media(max-width:1024px){
            .nav-links{gap:0}.nav-links a{padding:8px}
            .hero-grid{gap:35px}.quote-grid{grid-template-columns:1fr 1fr}.quote:first-child{grid-column:span 2}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}.section{padding:72px 0}
            .nav{height:68px;gap:13px}.brand{min-width:0;flex:1}.brand-name{font-size:13px}
            .nav-links{display:none;position:absolute;top:68px;left:17px;right:17px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links a{padding:12px}.menu-toggle{display:block}
            .nav-actions .search{display:none}.nav-actions .button{padding:9px 11px;font-size:12px}
            .hero{padding:70px 0 55px}.hero-grid,.story-grid,.faq,.news-layout{grid-template-columns:1fr;gap:35px}
            .hero h1{font-size:clamp(42px,12vw,65px)}.poster{min-height:330px}
            .metric-row{grid-template-columns:1fr 1fr;gap:18px}.metric{padding:8px 10px;border:0}.metric:first-child{padding-left:10px}
            .matrix{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:18px}
            .quote-grid{grid-template-columns:1fr}.quote:first-child{grid-column:auto}
            .cta-inner,.footer-top{display:block}.cta .button{margin-top:25px}.footer-links{margin-top:25px}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .hero-actions .button{width:100%}.poster{min-height:285px}.index-board{padding:17px}
            .index-line{grid-template-columns:55px 1fr;gap:10px}.line-tag{grid-column:2;justify-self:start}
            .news-item{display:block}.news-item span{display:block;margin-top:6px}
            .modal-actions{flex-direction:column}.modal-actions .button{width:100%}
        }

/* roulang page: category1 */
:root{
 --ink:#17151d;
 --muted:#77727f;
 --soft:#aaa3b1;
 --paper:#f7f5f2;
 --panel:#fffdfa;
 --line:#e7e1dc;
 --accent:#d95662;
 --accent-dark:#a93646;
 --gold:#d5a35b;
 --night:#211d29;
 --radius:22px;
 --shadow:0 18px 55px rgba(38,26,31,.09);
 --ease:all .28s cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--accent);font-size:12px;letter-spacing:.15em;font-weight:800}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--accent)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,242,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,225,220,.85)}
.nav{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:205px;font-weight:900;letter-spacing:-.04em}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--night);color:#fff;display:grid;place-items:center;font-size:13px;box-shadow:5px 5px 0 var(--accent)}
.brand-name{font-size:15px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:7px;margin:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:13px;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{background:#eee8e3;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 11px;color:var(--soft)}
.search span{font-size:15px}
.search input{border:0;outline:0;background:transparent;width:118px;color:var(--ink);font-size:12px}
.search input::placeholder{color:var(--soft)}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,86,98,.1)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:11px 17px;font-size:13px;font-weight:800;transition:var(--ease)}
.button.primary{background:var(--accent);color:#fff;box-shadow:0 7px 18px rgba(217,86,98,.2)}
.button.primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.button.ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.button.ghost:hover{border-color:var(--accent);color:var(--accent)}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px}
.page-hero{padding:82px 0 70px;background:var(--night);color:#fff;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(231,180,109,.23);border-radius:50%;right:-110px;top:-170px}
.page-hero .container{position:relative;z-index:1}
.page-hero .eyebrow{color:#e7b46d}
.page-hero .eyebrow:before{background:#e7b46d}
.page-hero h1{font-size:clamp(40px,6vw,74px);line-height:1.04;letter-spacing:-.075em;max-width:800px;margin:18px 0 22px}
.page-hero h1 em{color:#e7b46d;font-style:normal}
.hero-summary{max-width:650px;color:#c3bdc8;font-size:16px;margin:0}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.tag{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.18);border-radius:30px;padding:6px 12px;color:#e8e1e7;font-size:12px}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.15;letter-spacing:-.05em;margin:12px 0 0}
.section-head p{max-width:470px;color:var(--muted);margin:0;font-size:15px}
.status-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.status-item{background:var(--panel);padding:25px 22px}
.status-item strong{display:block;font-size:29px;letter-spacing:-.05em;color:var(--accent)}
.status-item span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.status-item small{display:block;color:var(--soft);font-size:11px;margin-top:13px}
.index-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.index-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:0 10px 35px rgba(38,26,31,.04)}
.index-panel.dark{background:var(--night);color:#fff;border-color:var(--night)}
.index-panel h3{font-size:25px;line-height:1.2;margin:14px 0 12px;letter-spacing:-.045em}
.index-panel p{color:var(--muted);font-size:14px}
.index-panel.dark p{color:#bcb5c1}
.index-list{display:grid;gap:10px;margin-top:25px}
.index-list a{display:flex;justify-content:space-between;align-items:center;padding:14px 15px;border:1px solid var(--line);border-radius:13px;background:#fff;transition:var(--ease)}
.index-list a:hover{transform:translateX(5px);border-color:var(--accent);color:var(--accent)}
.index-list b{font-size:14px}
.index-list span{font-size:11px;color:var(--soft)}
.rule-list{display:grid;gap:17px;margin-top:25px}
.rule-list div{display:flex;gap:13px;align-items:flex-start}
.rule-list i{width:25px;height:25px;flex:none;border-radius:50%;background:var(--accent);color:#fff;text-align:center;font-size:12px;line-height:25px;font-style:normal}
.rule-list strong{font-size:14px}
.rule-list p{margin:3px 0 0;font-size:12px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-box{padding:27px;border-radius:18px;border:1px solid var(--line);background:var(--panel)}
.compare-box.highlight{background:#f3e6e3;border-color:#e8c7c1}
.compare-box h3{margin:0 0 18px;font-size:19px}
.compare-box ul{margin:0;padding:0;list-style:none;display:grid;gap:11px;color:var(--muted);font-size:13px}
.compare-box li:before{content:"✓";color:var(--accent);font-weight:bold;margin-right:9px}
.faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq h2{font-size:42px;line-height:1.1;letter-spacing:-.06em;margin:14px 0}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:19px 0}
summary{cursor:pointer;font-weight:800;font-size:15px;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--accent);font-size:20px;font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:13px;margin:12px 25px 3px 0}
.cta{padding:72px 0;background:var(--accent);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.06em;margin:0 0 12px}
.cta p{color:#f7dfe0;max-width:600px;margin:0}
.cta .button{background:#fff;color:var(--accent-dark)}
.site-footer{background:#17151d;color:#aaa2b0;padding:45px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid #332e37}
.footer-brand{color:#fff}
.footer-brand p{max-width:360px;font-size:12px;color:#aaa2b0}
.footer-links{display:flex;gap:25px;align-items:flex-start;flex-wrap:wrap;font-size:12px}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:11px;color:#77727f}
.age-note{padding:18px 0;background:#eee8e3;color:var(--muted);font-size:12px}
.age-note .container{display:flex;justify-content:space-between;align-items:center;gap:20px}
.age-note strong{color:var(--ink)}
@media(max-width:1024px){
 .nav{gap:16px}.brand{min-width:185px}.nav-links a{padding:8px 9px}.search input{width:90px}
 .index-layout,.faq{grid-template-columns:1fr;gap:20px}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .nav{height:68px}.brand-name{font-size:13px}.brand{min-width:0}
 .menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-actions{display:none}
 .page-hero{padding:64px 0 58px}.section{padding:70px 0}.status-bar{grid-template-columns:repeat(2,1fr)}
 .section-head{display:block}.section-head p{margin-top:18px}.compare{grid-template-columns:1fr}
 .faq h2{font-size:35px}.cta-inner,.footer-top,.footer-bottom{display:block}.cta .button{margin-top:24px}.footer-links{margin-top:25px}.footer-bottom span{display:block;margin-top:8px}
 .age-note .container{display:block}.age-note .button{margin-top:12px}
}
@media(max-width:520px){
 .page-hero h1{font-size:42px}.status-item{padding:19px 15px}.status-item strong{font-size:24px}
 .index-panel{padding:23px}.hero-meta{gap:7px}.tag{font-size:11px}.section-head h2{font-size:32px}
}