/* roulang page: index */
:root{
            --ink:#1f2933;
            --muted:#66727f;
            --paper:#fbfaf7;
            --white:#ffffff;
            --line:#e7e4de;
            --rose:#c4526b;
            --rose-dark:#963b52;
            --sage:#5d7d72;
            --sand:#efe6dc;
            --night:#26343b;
            --radius:18px;
            --shadow:0 16px 40px rgba(38,52,59,.09);
            --max:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;object-fit:cover}
        button{font:inherit;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(231,228,222,.9)}
        .nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:0}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--rose);color:#fff;display:grid;place-items:center;font-size:18px}
        .brand-name{font-size:16px;white-space:nowrap}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a{padding:9px 15px;border-radius:10px;color:var(--muted);font-size:14px;transition:.25s}
        .nav-links a:hover,.nav-links a.active{color:var(--rose-dark);background:#f5e6e8}
        .nav-note{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:20px}
        .hero{position:relative;overflow:hidden;padding:88px 0 92px;background:#f2e5df}
        .hero:after{content:"";position:absolute;right:-12%;top:-26%;width:62%;height:150%;background:var(--rose);transform:skewX(-18deg);opacity:.96}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--rose-dark);font-weight:700;font-size:13px;margin-bottom:18px}
        .eyebrow:before{content:"";width:28px;height:2px;background:var(--rose)}
        h1{font-size:clamp(36px,5vw,66px);line-height:1.16;letter-spacing:0;font-weight:900;max-width:680px}
        h1 em{font-style:normal;color:var(--rose-dark)}
        .hero-copy{font-size:16px;color:#53606a;max-width:650px;margin:23px 0 28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;transition:.25s}
        .btn-primary{background:var(--rose);color:#fff;box-shadow:0 9px 18px rgba(196,82,107,.2)}
        .btn-primary:hover{background:var(--rose-dark);transform:translateY(-2px)}
        .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
        .btn-light:hover{border-color:var(--rose);color:var(--rose-dark)}
        .hero-panel{position:relative;z-index:2;background:rgba(255,255,255,.96);padding:26px;border-radius:22px;box-shadow:var(--shadow);max-width:430px;margin-left:auto}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:17px}
        .panel-title{font-weight:800}
        .status{font-size:12px;color:var(--sage);background:#e8f1ed;border-radius:30px;padding:4px 9px}
        .score{display:flex;align-items:end;gap:10px;margin-bottom:15px}
        .score strong{font-size:50px;line-height:1;color:var(--rose)}
        .score span{font-size:13px;color:var(--muted);padding-bottom:5px}
        .panel-list{list-style:none;display:grid;gap:11px}
        .panel-list li{display:flex;justify-content:space-between;color:var(--muted);font-size:14px}
        .panel-list b{color:var(--ink)}
        main{overflow:hidden}
        .section{padding:82px 0}
        .section.alt{background:#f3f0eb}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-head h2{font-size:30px;line-height:1.3;letter-spacing:0}
        .section-head p{max-width:570px;color:var(--muted);font-size:14px}
        .kicker{color:var(--rose-dark);font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:7px}
        .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:145px}
        .metric strong{display:block;font-size:35px;color:var(--rose-dark);line-height:1.2;margin-bottom:8px}
        .metric span{font-size:14px;color:var(--muted)}
        .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .matrix-card{padding:25px;background:#fff;border-left:4px solid var(--rose);border-radius:0 14px 14px 0;box-shadow:0 7px 20px rgba(38,52,59,.05)}
        .matrix-card h3{font-size:18px;margin-bottom:9px}
        .matrix-card p{font-size:14px;color:var(--muted)}
        .compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .compare-box{border-radius:var(--radius);padding:28px;background:#fff;border:1px solid var(--line)}
        .compare-box.featured{background:var(--night);color:#fff;border-color:var(--night)}
        .compare-box h3{font-size:20px;margin-bottom:14px}
        .compare-box p{color:var(--muted);font-size:14px}
        .compare-box.featured p{color:#d4dde0}
        .check-list{list-style:none;display:grid;gap:12px;margin-top:19px}
        .check-list li{display:flex;gap:10px;font-size:14px}
        .check-list li:before{content:"✓";color:var(--rose);font-weight:800}
        .compare-box.featured .check-list li:before{color:#e9a2b0}
        .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .step{padding:23px 18px 10px 0;border-right:1px solid var(--line);margin-right:18px}
        .step:last-child{border-right:0}
        .step-num{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--rose);color:#fff;font-weight:800;margin-bottom:17px}
        .step h3{font-size:17px;margin-bottom:7px}
        .step p{font-size:14px;color:var(--muted)}
        .feature-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}
        .feature-image{min-height:340px;border-radius:22px;overflow:hidden}
        .feature-image img{height:100%;filter:saturate(.78)}
        .feature-copy{background:var(--night);color:#fff;border-radius:22px;padding:38px}
        .feature-copy h2{font-size:30px;line-height:1.35;margin-bottom:17px}
        .feature-copy p{color:#d5dfe0;font-size:15px}
        .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .quote{background:#fff;border:1px solid var(--line);padding:25px;border-radius:var(--radius)}
        .quote p{font-size:15px;margin-bottom:18px}
        .quote footer{color:var(--muted);font-size:13px}
        .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
        .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .news-card img{height:155px}
        .news-content{padding:18px}
        .news-content time{font-size:12px;color:var(--rose-dark)}
        .news-content h3{font-size:17px;line-height:1.45;margin:7px 0}
        .news-content p{font-size:13px;color:var(--muted)}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
        summary{cursor:pointer;font-weight:700;list-style:none;padding-right:18px;position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;color:var(--rose);font-size:20px;top:-3px}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
        .cta{background:var(--rose);color:#fff;padding:62px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:32px;line-height:1.35;margin-bottom:8px}
        .cta p{color:#ffe8ec;max-width:670px}
        .cta .btn-light{border:0}
        .site-footer{background:var(--night);color:#fff;padding:55px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.15)}
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-grid p,.footer-grid a{color:#b9c5c8;font-size:14px}
        .footer-grid h3{font-size:14px;margin-bottom:14px}
        .footer-links{display:grid;gap:7px}
        .footer-links a:hover{color:#fff}
        .copyright{padding-top:20px;color:#8f9da0;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
        :focus-visible{outline:3px solid rgba(196,82,107,.35);outline-offset:3px}
        @media(max-width:1024px){
            .hero-inner{gap:30px}.hero:after{right:-24%;width:64%}
            .metric-grid{grid-template-columns:repeat(2,1fr)}
            .matrix{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 28px))}
            .nav{height:68px}.nav-note{display:none}.nav-links a{padding:8px 10px;font-size:13px}
            .hero{padding:58px 0 65px}.hero-inner{grid-template-columns:1fr}.hero:after{top:55%;right:-28%;width:130%;height:54%;transform:skewY(-7deg)}
            .hero-panel{margin:5px 0 0;max-width:none}
            .section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:11px}
            .matrix,.compare,.feature-strip,.quote-grid,.news-grid{grid-template-columns:1fr}
            .timeline{grid-template-columns:1fr 1fr;gap:10px;border-top:0}
            .step{border-right:0;border-top:1px solid var(--line);margin:0;padding-top:18px}
            .feature-image{min-height:250px}.feature-copy{padding:28px}
            .faq-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            h1{font-size:36px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
            .metric-grid{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:18px;min-height:125px}.metric strong{font-size:28px}
            .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
        }

/* roulang page: category1 */
:root{
 --ink:#1f2933;
 --muted:#66727f;
 --paper:#fbfaf7;
 --white:#fff;
 --line:#e7e4de;
 --rose:#c4526b;
 --rose-dark:#963b52;
 --sage:#5d7d72;
 --sand:#efe6dc;
 --night:#26343b;
 --radius:18px;
 --shadow:0 16px 40px rgba(38,52,59,.09);
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin-top:0}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(231,228,222,.9)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--rose);color:#fff;display:grid;place-items:center;font-size:18px}
.brand-name{font-size:16px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 15px;border-radius:10px;color:var(--muted);font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--rose-dark);background:#f5e6e8}
.nav-note{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:20px}
.hero{position:relative;overflow:hidden;padding:76px 0 82px;background:#f2e5df}
.hero:after{content:"";position:absolute;right:-15%;top:-28%;width:58%;height:150%;background:var(--rose);transform:skewX(-18deg);opacity:.96}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .86fr;gap:62px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--rose-dark);font-weight:700;font-size:13px;margin-bottom:16px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--rose)}
.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.2;letter-spacing:0;margin-bottom:20px;max-width:680px}
.hero h1 em{font-style:normal;color:var(--rose)}
.hero-copy{font-size:16px;color:#53606a;max-width:650px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;transition:.25s}
.btn-primary{background:var(--rose);color:#fff;box-shadow:0 9px 18px rgba(196,82,107,.2)}
.btn-primary:hover{background:var(--rose-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-light:hover{border-color:var(--rose);color:var(--rose-dark)}
.btn:focus-visible,.nav-links a:focus-visible,.footer-links a:focus-visible,input:focus-visible{outline:3px solid rgba(196,82,107,.3);outline-offset:3px}
.hero-panel{position:relative;z-index:2;background:rgba(255,255,255,.96);padding:28px;border-radius:22px;box-shadow:var(--shadow);max-width:440px;margin-left:auto}
.panel-kicker{font-size:12px;color:var(--rose-dark);font-weight:800;letter-spacing:.08em}
.panel-title{font-size:23px;font-weight:800;line-height:1.4;margin:8px 0 19px}
.panel-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.panel-list li{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:10px}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-list b{color:var(--ink);white-space:nowrap}
.section{padding:78px 0}
.section.alt{background:#f3f0eb}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:30px;line-height:1.3;letter-spacing:0;margin-bottom:0}
.section-head p{max-width:580px;color:var(--muted);font-size:14px;margin-bottom:0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px}
.metric strong{display:block;font-size:30px;color:var(--rose-dark);line-height:1.2;margin-bottom:8px}
.metric span{font-size:14px;color:var(--muted)}
.matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.matrix-card{padding:25px;background:#fff;border-left:4px solid var(--rose);border-radius:0 14px 14px 0;box-shadow:0 7px 20px rgba(38,52,59,.05)}
.matrix-card h3{font-size:19px;margin-bottom:8px}
.matrix-card p{font-size:14px;color:var(--muted);margin-bottom:0}
.matrix-label{font-size:12px;color:var(--rose-dark);font-weight:800;letter-spacing:.06em}
.compare-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.compare-box{padding:30px;background:#fff;border:1px solid var(--line);border-radius:18px}
.compare-box.featured{background:var(--night);color:#fff;border-color:var(--night)}
.compare-box h3{font-size:21px;margin-bottom:10px}
.compare-box p{font-size:14px;color:var(--muted)}
.compare-box.featured p{color:#d4dde0}
.check-list{list-style:none;padding:0;display:grid;gap:12px;margin:20px 0 0}
.check-list li{display:flex;gap:10px;font-size:14px}
.check-list li:before{content:"✓";color:var(--rose);font-weight:800}
.compare-box.featured .check-list li:before{color:#e9a2b0}
.milestone{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.milestone-item{position:relative;padding:25px 24px 10px;border-right:1px solid var(--line)}
.milestone-item:last-child{border-right:0}
.milestone-item:before{content:"";position:absolute;top:-6px;left:24px;width:11px;height:11px;border-radius:50%;background:var(--rose);box-shadow:0 0 0 5px var(--paper)}
.milestone-no{color:var(--rose-dark);font-size:12px;font-weight:800}
.milestone h3{font-size:17px;margin:12px 0 7px}
.milestone p{font-size:14px;color:var(--muted);margin-bottom:0}
.feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}
.feature-image{min-height:340px;border-radius:22px;overflow:hidden}
.feature-image img{height:100%;filter:saturate(.78)}
.feature-copy{background:var(--night);color:#fff;border-radius:22px;padding:38px}
.feature-copy h2{font-size:30px;line-height:1.35;margin-bottom:17px}
.feature-copy p{color:#d5dfe0;font-size:15px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card img{height:155px}
.news-content{padding:18px 19px 20px}
.news-date{font-size:12px;color:var(--rose-dark);font-weight:700}
.news-card h3{font-size:17px;line-height:1.5;margin:8px 0 6px}
.news-card p{color:var(--muted);font-size:13px;margin-bottom:0}
.protection{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.protection-copy{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px}
.protection-copy h2{font-size:27px;line-height:1.35}
.protection-copy p{color:var(--muted);font-size:15px}
.protection-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.point{padding:16px;background:#f7f3ee;border-radius:12px}
.point strong{display:block;font-size:15px;margin-bottom:4px}
.point span{font-size:13px;color:var(--muted)}
.quick-box{background:var(--sage);color:#fff;border-radius:20px;padding:32px}
.quick-box h2{font-size:27px;line-height:1.35}
.quick-box p{color:#e4efeb;font-size:15px}
.quick-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px}
.quick-list li{display:flex;gap:12px;font-size:14px;border-bottom:1px solid rgba(255,255,255,.22);padding-bottom:12px}
.quick-list li:last-child{border-bottom:0}
.quick-list b{color:#fff1f3}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 24px}
.faq-item h3{font-size:16px;line-height:1.5;margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--muted);margin-bottom:0}
.cta{background:var(--rose);color:#fff;padding:58px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:31px;line-height:1.35;margin-bottom:8px}
.cta p{color:#ffe8ec;max-width:680px;margin-bottom:0}
.cta .btn-light{border:0}
.site-footer{background:var(--night);color:#fff;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
.footer-grid p,.footer-grid a{color:#b9c5c8;font-size:14px}
.footer-grid p{max-width:420px}
.footer-grid h3{font-size:14px;margin-bottom:14px}
.footer-links{display:grid;gap:7px}
.footer-links a:hover{color:#fff}
.copyright{padding-top:20px;color:#8f9da0;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){
 .hero-inner{gap:30px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .container{width:min(var(--max),calc(100% - 32px))}
}
@media(max-width:768px){
 .nav{height:68px}
 .nav-note{display:none}
 .nav-links a{padding:8px 10px;font-size:13px}
 .brand-name{font-size:14px}
 .hero{padding:58px 0 65px}
 .hero-inner{grid-template-columns:1fr}
 .hero:after{top:55%;right:-28%;width:130%;height:54%;transform:skewY(-7deg)}
 .hero-panel{margin:5px 0 0;max-width:none}
 .section{padding:58px 0}
 .section-head{display:block}
 .section-head p{margin-top:11px}
 .matrix-grid,.compare-layout,.feature-strip,.protection{grid-template-columns:1fr}
 .milestone{grid-template-columns:1fr 1fr}
 .milestone-item:nth-child(2){border-right:0}
 .milestone-item:nth-child(3),.milestone-item:nth-child(4){border-top:1px solid var(--line)}
 .news-grid{grid-template-columns:1fr 1fr}
 .feature-image{min-height:250px}
 .feature-copy{padding:28px}
 .faq-grid{grid-template-columns:1fr}
 .cta-inner{display:block}
 .cta .btn{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{width:min(var(--max),calc(100% - 28px))}
 .nav{gap:10px}
 .brand{min-width:0}
 .brand-mark{width:34px;height:34px;font-size:16px}
 .brand-name{max-width:138px;white-space:normal;line-height:1.25}
 .nav-links{gap:2px}
 .nav-links a{padding:7px 8px;font-size:12px}
 .hero h1{font-size:35px}
 .hero-actions{display:grid;grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .metric-grid,.news-grid,.protection-points{grid-template-columns:1fr}
 .matrix-card,.compare-box,.protection-copy,.quick-box{padding:23px}
 .milestone{display:block}
 .milestone-item{border-right:0;border-bottom:1px solid var(--line);padding-left:24px}
 .milestone-item:last-child{border-bottom:0}
 .milestone-item:nth-child(3),.milestone-item:nth-child(4){border-top:0}
 .feature-copy h2,.cta h2{font-size:26px}
 .footer-grid{grid-template-columns:1fr;gap:25px}
}